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76bdc726 | 1 | /* Copyright (C) 2021-2023 Free Software Foundation, Inc. |
bb368aad VM |
2 | Contributed by Oracle. |
3 | ||
4 | This file is part of GNU Binutils. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 3, or (at your option) | |
9 | any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, 51 Franklin Street - Fifth Floor, Boston, | |
19 | MA 02110-1301, USA. */ | |
20 | ||
21 | #include "config.h" | |
22 | #include <unistd.h> | |
23 | #include <strings.h> | |
24 | #include <string.h> | |
25 | #include <sys/types.h> | |
26 | #include <sys/stat.h> | |
27 | #include <sys/statvfs.h> | |
28 | #include <sys/param.h> | |
29 | #include <signal.h> | |
30 | #include <fcntl.h> | |
31 | #include <errno.h> | |
32 | #include <ctype.h> | |
33 | #include <dirent.h> | |
34 | #include <libgen.h> | |
35 | #include <assert.h> | |
36 | #include <regex.h> /* regcomp() */ | |
37 | ||
38 | #include "util.h" | |
39 | #include "libiberty.h" | |
40 | #include "collctrl.h" | |
41 | #include "hwcdrv.h" | |
42 | //#include "hwcfuncs.h" | |
43 | ||
44 | #define SP_GROUP_HEADER "#analyzer experiment group" | |
45 | #define DD_MAXPATHLEN (MAXPATHLEN * 4) /* large, to build up data descriptor */ | |
46 | ||
47 | /* If the system doesn't provide strsignal, we get it defined in | |
48 | libiberty but no declaration is supplied. */ | |
49 | #if !defined (HAVE_STRSIGNAL) && !defined (strsignal) | |
50 | extern const char *strsignal (int); | |
51 | #endif | |
52 | ||
53 | // _SC_CPUID_MAX is not available on 2.6/2.7 | |
54 | #ifndef _SC_CPUID_MAX | |
55 | #define _SC_CPUID_MAX 517 | |
56 | #endif | |
57 | ||
58 | const char *get_fstype (char *); | |
59 | ||
60 | Coll_Ctrl::Coll_Ctrl (int _interactive, bool _defHWC, bool _kernelHWC) | |
61 | { | |
62 | char hostname[MAXPATHLEN]; | |
63 | long ncpumax; | |
64 | interactive = _interactive; | |
65 | defHWC = _defHWC; | |
66 | kernelHWC = _kernelHWC; | |
67 | ||
68 | /* set this host's parameters */ | |
69 | gethostname (hostname, 1023); | |
70 | node_name = strdup (hostname); | |
71 | char *p = strchr (node_name, (int) '.'); | |
72 | if (p != NULL) | |
73 | *p = 0; | |
74 | default_stem = strdup ("test"); | |
75 | ||
76 | /* get CPU count and processor clock rate */ | |
77 | ncpumax = sysconf (_SC_CPUID_MAX); | |
78 | if (ncpumax == -1) | |
79 | { | |
80 | ncpus = sysconf (_SC_NPROCESSORS_CONF); | |
81 | /* add 2048 to count, since on some systems CPUID does not start at zero */ | |
82 | ncpumax = ncpus + 2048; | |
83 | } | |
84 | ncpus = 0; | |
85 | cpu_clk_freq = 0; | |
86 | ||
87 | // On Linux, read /proc/cpuinfo to get CPU count and clock rate | |
88 | // Note that parsing is different on SPARC and x86 | |
89 | #if defined(sparc) | |
90 | FILE *procf = fopen ("/proc/cpuinfo", "r"); | |
91 | if (procf != NULL) | |
92 | { | |
93 | char temp[1024]; | |
94 | while (fgets (temp, (int) sizeof (temp), procf) != NULL) | |
95 | { | |
96 | if (strncmp (temp, "Cpu", 3) == 0 && temp[3] != '\0' | |
97 | && strncmp ((strchr (temp + 1, 'C')) ? strchr (temp + 1, 'C') | |
98 | : (temp + 4), "ClkTck", 6) == 0) | |
99 | { | |
100 | ncpus++; | |
101 | char *val = strchr (temp, ':'); | |
102 | if (val) | |
103 | { | |
104 | unsigned long long freq; | |
105 | sscanf (val + 2, "%llx", &freq); | |
106 | cpu_clk_freq = (unsigned int) (((double) freq) / 1000000.0 + 0.5); | |
107 | } | |
108 | else | |
109 | cpu_clk_freq = 0; | |
110 | } | |
111 | } | |
112 | fclose (procf); | |
113 | } | |
114 | ||
115 | #elif defined(__aarch64__) | |
116 | asm volatile("mrs %0, cntfrq_el0" : "=r" (cpu_clk_freq)); | |
117 | dbe_write (2, GTXT ("CPU clock frequency: %d\n"), cpu_clk_freq); | |
118 | ||
119 | #else | |
120 | FILE *procf = fopen ("/proc/cpuinfo", "r"); | |
121 | if (procf != NULL) | |
122 | { | |
123 | char temp[1024]; | |
124 | while (fgets (temp, (int) sizeof (temp), procf) != NULL) | |
125 | { | |
126 | // x86 Linux | |
127 | if (strncmp (temp, "processor", 9) == 0) | |
128 | ncpus++; | |
129 | else if (strncmp (temp, "cpu MHz", 7) == 0) | |
130 | { | |
131 | char *val = strchr (temp, ':'); | |
132 | cpu_clk_freq = val ? atoi (val + 1) : 0; | |
133 | } | |
134 | } | |
135 | fclose (procf); | |
136 | } | |
137 | #endif | |
138 | ||
139 | /* check resolution of system clock */ | |
140 | sys_resolution = sysconf (_SC_CLK_TCK); | |
141 | if (sys_resolution == 0) | |
142 | sys_period = 10000; | |
143 | else | |
144 | sys_period = MICROSEC / (int) sys_resolution; | |
145 | ||
146 | /* determine memory page size and number of pages */ | |
147 | npages = sysconf (_SC_PHYS_PAGES); | |
148 | page_size = sysconf (_SC_PAGE_SIZE); | |
149 | ||
150 | /* set default clock parameters */ | |
151 | hwcprof_enabled_cnt = 0; // must be set before calling determine_profile_params(); | |
152 | determine_profile_params (); // inits clk_params which is used by clock profiling AND HWCs | |
153 | cpc_cpuver = CPUVER_UNDEFINED; | |
154 | ||
155 | /* set default control values */ | |
156 | debug_mode = 0; | |
157 | #if defined(GPROFNG_JAVA_PROFILING) | |
158 | java_mode = 1; | |
159 | #else | |
160 | java_mode = 0; | |
161 | #endif | |
162 | java_default = 1; | |
163 | java_path = NULL; | |
164 | java_args = NULL; | |
165 | njava_args = 0; | |
166 | follow_mode = FOLLOW_ON; | |
167 | follow_default = 1; | |
168 | follow_spec_usr = NULL; | |
169 | follow_spec_cmp = NULL; | |
170 | prof_idle = 1; | |
171 | archive_mode = strdup ("on"); | |
172 | pauseresume_sig = 0; | |
173 | sample_sig = 0; | |
174 | uinterrupt = 0; | |
175 | attach_pid = 0; | |
176 | time_run = 0; | |
177 | start_delay = 0; | |
178 | ||
179 | /* clear the string pointers */ | |
180 | uexpt_name = NULL; | |
181 | expt_name = NULL; | |
182 | expt_dir = NULL; | |
183 | base_name = NULL; | |
184 | udir_name = NULL; | |
185 | store_dir = NULL; | |
186 | prev_store_dir = strdup (""); | |
187 | store_ptr = NULL; | |
188 | expt_group = NULL; | |
189 | target_name = NULL; | |
190 | data_desc = NULL; | |
191 | lockname = NULL; | |
192 | hwc_string = NULL; | |
193 | project_home = NULL; | |
194 | lockfd = -1; | |
195 | ||
196 | /* set default data collection values */ | |
197 | enabled = 0; | |
198 | opened = 0; | |
199 | clkprof_enabled = 1; | |
200 | clkprof_default = 1; | |
201 | for (unsigned ii = 0; ii < MAX_PICS; ii++) | |
202 | { | |
203 | memset (&hwctr[ii], 0, sizeof (Hwcentry)); | |
204 | hwctr[ii].reg_num = -1; | |
205 | } | |
206 | hwcprof_default = 0; | |
207 | if (defHWC == true) | |
208 | { | |
209 | setup_hwc (); | |
210 | hwcprof_default = 1; | |
211 | } | |
212 | else // disable the default, and reset the counters | |
213 | hwcprof_enabled_cnt = 0; | |
214 | synctrace_enabled = 0; | |
215 | synctrace_thresh = -1; | |
216 | synctrace_scope = 0; | |
217 | heaptrace_enabled = 0; | |
218 | heaptrace_checkenabled = 0; | |
219 | iotrace_enabled = 0; | |
220 | count_enabled = 0; | |
221 | Iflag = 0; | |
222 | Nflag = 0; | |
223 | sample_period = 1; | |
224 | sample_default = 1; | |
225 | size_limit = 0; | |
226 | nofswarn = 0; | |
227 | expno = 1; | |
228 | ||
229 | // ensure that the default name is updated | |
230 | // but don't print any message | |
231 | (void) preprocess_names (); | |
232 | (void) update_expt_name (false, false); | |
233 | } | |
234 | ||
235 | /* Copy constructor */ | |
236 | Coll_Ctrl::Coll_Ctrl (Coll_Ctrl * cc) | |
237 | { | |
238 | uinterrupt = 0; | |
239 | interactive = cc->interactive; | |
240 | defHWC = cc->defHWC; | |
241 | kernelHWC = cc->kernelHWC; | |
242 | node_name = strdup (cc->node_name); | |
243 | default_stem = strdup (cc->default_stem); | |
244 | ncpus = cc->ncpus; | |
245 | cpu_clk_freq = cc->cpu_clk_freq; | |
246 | npages = cc->npages; | |
247 | page_size = cc->page_size; | |
248 | cpc_cpuver = cc->cpc_cpuver; | |
249 | debug_mode = cc->debug_mode; | |
250 | java_mode = cc->java_mode; | |
251 | java_default = cc->java_default; | |
252 | java_path = NULL; | |
253 | java_args = NULL; | |
254 | njava_args = 0; | |
255 | follow_mode = cc->follow_mode; | |
256 | follow_default = cc->follow_default; | |
257 | if (cc->follow_spec_usr) | |
258 | { | |
259 | follow_spec_usr = strdup (cc->follow_spec_usr); | |
260 | follow_spec_cmp = strdup (cc->follow_spec_cmp); | |
261 | } | |
262 | else | |
263 | { | |
264 | follow_spec_usr = NULL; | |
265 | follow_spec_cmp = NULL; | |
266 | } | |
267 | archive_mode = strdup (cc->archive_mode); | |
268 | pauseresume_sig = cc->pauseresume_sig; | |
269 | sample_sig = cc->sample_sig; | |
270 | time_run = cc->time_run; | |
271 | start_delay = cc->start_delay; | |
272 | clk_params = cc->clk_params; | |
273 | clkprof_enabled = cc->clkprof_enabled; | |
274 | clkprof_default = cc->clkprof_default; | |
275 | clkprof_timer = cc->clkprof_timer; | |
276 | clkprof_timer_target = cc->clkprof_timer_target; | |
277 | ||
278 | // copy HW counter information | |
279 | hwcprof_default = cc->hwcprof_default; | |
280 | hwcprof_enabled_cnt = cc->hwcprof_enabled_cnt; | |
281 | if (cc->hwc_string != NULL) | |
282 | hwc_string = strdup (cc->hwc_string); | |
283 | else | |
284 | hwc_string = NULL; | |
285 | for (int i = 0; i < hwcprof_enabled_cnt; i++) | |
286 | hwcentry_dup (&hwctr[i], &(cc->hwctr[i])); | |
287 | project_home = cc->project_home ? strdup (cc->project_home) : NULL; | |
288 | synctrace_enabled = cc->synctrace_enabled; | |
289 | synctrace_thresh = cc->synctrace_thresh; | |
290 | synctrace_scope = cc->synctrace_scope; | |
291 | heaptrace_enabled = cc->heaptrace_enabled; | |
292 | heaptrace_checkenabled = cc->heaptrace_checkenabled; | |
293 | iotrace_enabled = cc->iotrace_enabled; | |
294 | count_enabled = cc->count_enabled; | |
295 | Iflag = cc->Iflag; | |
296 | Nflag = cc->Nflag; | |
297 | sample_period = cc->sample_period; | |
298 | sample_default = cc->sample_default; | |
299 | size_limit = cc->size_limit; | |
300 | nofswarn = cc->nofswarn; | |
301 | ||
302 | // these will get reset during preprocess_names() | |
303 | expt_name = NULL; | |
304 | expt_dir = NULL; | |
305 | store_dir = NULL; | |
306 | base_name = NULL; | |
307 | expno = 1; | |
308 | ||
309 | // these represent user settings | |
310 | expt_group = NULL; | |
311 | if (cc->expt_group != NULL) | |
312 | expt_group = strdup (cc->expt_group); | |
313 | uexpt_name = NULL; | |
314 | if (cc->uexpt_name != NULL) | |
315 | uexpt_name = strdup (cc->uexpt_name); | |
316 | udir_name = NULL; | |
317 | if (cc->udir_name != NULL) | |
318 | udir_name = strdup (cc->udir_name); | |
319 | ||
320 | /* clear the string pointers */ | |
321 | prev_store_dir = strdup (""); | |
322 | store_ptr = NULL; | |
323 | target_name = NULL; | |
324 | data_desc = NULL; | |
325 | lockname = NULL; | |
326 | lockfd = -1; | |
327 | ||
328 | /* set default data collection values */ | |
329 | enabled = cc->enabled; | |
330 | opened = 0; | |
331 | nofswarn = cc->nofswarn; | |
332 | sys_resolution = cc->sys_resolution; | |
333 | sys_period = cc->sys_period; | |
334 | ||
335 | // ensure that the default name is updated | |
336 | (void) preprocess_names (); | |
337 | (void) update_expt_name (false, false); | |
338 | build_data_desc (); | |
339 | } | |
340 | ||
341 | Coll_Ctrl::~Coll_Ctrl () | |
342 | { | |
343 | free (node_name); | |
344 | free (expt_name); | |
345 | free (expt_dir); | |
346 | free (base_name); | |
347 | free (udir_name); | |
348 | free (store_dir); | |
349 | free (store_ptr); | |
350 | free (expt_group); | |
351 | free (target_name); | |
352 | free (data_desc); | |
353 | free (lockname); | |
354 | free (hwc_string); | |
355 | free (project_home); | |
356 | free (java_path); | |
357 | hwcprof_enabled_cnt = 0; | |
358 | } | |
359 | ||
360 | /* set up the experiment */ | |
361 | char * | |
362 | Coll_Ctrl::setup_experiment () | |
363 | { | |
364 | char *ret; | |
365 | if (enabled == 0) | |
366 | return NULL; | |
367 | build_data_desc (); | |
368 | ||
369 | /* create the experiment directory */ | |
370 | ret = create_exp_dir (); | |
371 | if (ret != NULL) | |
372 | return ret; | |
373 | ||
374 | /* if an experiment-group, join it */ | |
375 | ret = join_group (); | |
376 | if (ret != NULL) | |
377 | { | |
378 | remove_exp_dir (); | |
379 | return ret; | |
380 | } | |
381 | /* all is OK, return 0 */ | |
382 | opened = 1; | |
383 | return NULL; | |
384 | } | |
385 | ||
386 | void | |
387 | Coll_Ctrl::interrupt () | |
388 | { | |
389 | uinterrupt = 1; | |
390 | } | |
391 | ||
392 | char * | |
393 | Coll_Ctrl::enable_expt () | |
394 | { | |
395 | if (opened == 1) | |
396 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
397 | if (cpu_clk_freq == 0) | |
398 | return strdup (GTXT ("Can not determine CPU clock frequency.\n")); | |
399 | if (sys_resolution == 0) | |
400 | return strdup (GTXT ("System clock profile resolution can not be determined.\n")); | |
401 | enabled = 1; | |
402 | return NULL; | |
403 | } | |
404 | ||
405 | /* close the experiment */ | |
406 | void | |
407 | Coll_Ctrl::close_expt () | |
408 | { | |
409 | opened = 0; | |
410 | (void) update_expt_name (false, false); | |
411 | } | |
412 | ||
413 | /* close and delete the experiment */ | |
414 | void | |
415 | Coll_Ctrl::delete_expt () | |
416 | { | |
417 | if (opened == 0) | |
418 | return; | |
419 | remove_exp_dir (); | |
420 | ||
421 | /* The order of removing the directory and closing | |
422 | * the experiment may seem unnatural, but it's not. | |
423 | * We do need to update names when we close the experiment | |
424 | * (actually Coll_Ctrl object) and we can't remove anything | |
425 | * after that. | |
426 | */ | |
427 | close_expt (); | |
428 | } | |
429 | ||
430 | // Check the experiment settings for consistency. Returns NULL if OK, | |
431 | // or an error message if there are invalid combinations of settings | |
432 | char * | |
433 | Coll_Ctrl::check_consistency () | |
434 | { | |
435 | /* check for Java arguments, but not Java profiling */ | |
436 | if (java_args != NULL && java_mode == 0) | |
437 | return strdup (GTXT ("Java arguments can not be set if Java profiling is not enabled.\n")); | |
438 | ||
439 | /* if count data, no other data is allowed */ | |
440 | if (count_enabled != 0 | |
441 | && ((clkprof_default != 1 && clkprof_enabled != 0) | |
442 | || hwcprof_enabled_cnt != 0 || synctrace_enabled != 0 | |
443 | || heaptrace_enabled != 0 || iotrace_enabled != 0)) | |
444 | return strdup (GTXT ("Count data cannot be collected along with any other data.\n")); | |
445 | ||
446 | /* if count data, various other options are not allowed */ | |
447 | if (count_enabled != 0 | |
448 | && ((java_mode != 0 && java_default != 1) | |
449 | || java_args != NULL || debug_mode != 0 | |
450 | || (follow_mode != 0 && follow_default != 1) | |
451 | || pauseresume_sig != 0 || sample_sig != 0 | |
452 | || (sample_default != 1 && sample_period != 0) || time_run != 0)) | |
453 | return strdup (GTXT ("Count data cannot be collected with any of -F -S -y -l -j -J -x -t .\n")); | |
454 | /* if not count data, I and N options are not allowed */ | |
455 | if (count_enabled == 0 && (Iflag != 0 || Nflag != 0)) | |
456 | return strdup (GTXT ("-I or -N can only be specified with count data.\n")); | |
457 | return NULL; | |
458 | } | |
459 | ||
460 | char * | |
461 | Coll_Ctrl::check_expt (char **warn) | |
462 | { | |
463 | char *ret; | |
464 | *warn = NULL; | |
465 | ret = check_consistency (); | |
466 | if (ret != NULL) /* something is wrong, return the error */ | |
467 | return ret; | |
468 | /* check for heaptrace and java -- warn that it covers native allocations only */ | |
469 | if (heaptrace_enabled == 1 && java_mode == 1 && java_default == 0) | |
470 | *warn = strdup (GTXT ("Note: Heap profiling will only trace native allocations, not Java allocations.\n")); | |
471 | ||
472 | /* if no profiling data selected, warn the user */ | |
473 | if (clkprof_enabled == 0 && hwcprof_enabled_cnt == 0 && synctrace_enabled == 0 | |
474 | && heaptrace_enabled == 0 && iotrace_enabled == 0 && count_enabled == 0) | |
475 | *warn = strdup (GTXT ("Warning: No function level data requested; only statistics will be collected.\n\n")); | |
476 | build_data_desc (); | |
477 | ||
478 | /* verify that the directory exists */ | |
479 | struct stat statbuf; | |
480 | if (stat (store_dir, &statbuf) != 0) | |
481 | return dbe_sprintf (GTXT ("Store directory %s is not accessible: %s\n"), | |
482 | store_dir, strerror (errno)); | |
483 | if (access (store_dir, W_OK) != 0) | |
484 | return dbe_sprintf (GTXT ("Store directory %s is not writeable: %s\n"), | |
485 | store_dir, strerror (errno)); | |
486 | ||
487 | /* if an experiment-group, verify that it can be written */ | |
488 | ret = check_group (); | |
489 | if (ret != NULL) | |
490 | return ret; | |
491 | return NULL; | |
492 | } | |
493 | ||
494 | char * | |
495 | Coll_Ctrl::show (int i) | |
496 | { | |
497 | char UEbuf[4096]; | |
498 | UEbuf[0] = 0; | |
499 | if (i == 0) | |
500 | { | |
501 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
502 | GTXT ("Collection parameters:\n")); | |
503 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
504 | GTXT (" experiment enabled\n")); | |
505 | } | |
506 | if (target_name != NULL) | |
507 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
508 | GTXT ("\ttarget = %s\n"), target_name); | |
509 | if (uexpt_name != NULL) | |
510 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
511 | GTXT ("\tuser_expt_name = %s\n"), uexpt_name); | |
512 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
513 | GTXT ("\texpt_name = %s\n"), | |
514 | ((expt_name != NULL) ? expt_name : NTXT ("<NULL>"))); | |
515 | if (udir_name != NULL) | |
516 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
517 | GTXT ("\tdir_name = %s\n"), udir_name); | |
518 | if (expt_group != NULL) | |
519 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
520 | GTXT ("\texpt_group = %s\n"), expt_group); | |
521 | if (debug_mode == 1) | |
522 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
523 | GTXT ("\tdebug_mode enabled\n")); | |
524 | if (clkprof_enabled != 0) | |
525 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
526 | GTXT ("\tclock profiling enabled, %.3f millisec.\n"), | |
527 | (double) (clkprof_timer) / 1000.); | |
528 | if (synctrace_enabled != 0) | |
529 | { | |
530 | if (synctrace_thresh < 0) | |
531 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
532 | GTXT ("\tsynchronization tracing enabled, threshold: calibrate; ")); | |
533 | else if (synctrace_thresh == 0) | |
534 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
535 | GTXT ("\tsynchronization tracing enabled, threshold: all; ")); | |
536 | else | |
537 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
538 | GTXT ("\tsynchronization tracing enabled, threshold: %d micros.; "), synctrace_thresh); | |
539 | switch (synctrace_scope) | |
540 | { | |
541 | case SYNCSCOPE_NATIVE: | |
542 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
543 | GTXT ("Native-APIs\n")); | |
544 | break; | |
545 | case SYNCSCOPE_JAVA: | |
546 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
547 | GTXT ("Java-APIs\n")); | |
548 | break; | |
549 | case SYNCSCOPE_NATIVE | SYNCSCOPE_JAVA: | |
550 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
551 | GTXT ("Native- and Java-APIs\n")); | |
552 | break; | |
553 | default: | |
554 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
555 | GTXT ("ERR -- unexpected synctrace_scope %d\n"), synctrace_scope); | |
556 | break; | |
557 | } | |
558 | } | |
559 | if (hwcprof_enabled_cnt != 0) | |
560 | { | |
561 | char ctrbuf[MAXPATHLEN]; | |
562 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
563 | GTXT ("\thardware counter profiling%s enabled:\n"), | |
564 | (hwcprof_default == 1 ? GTXT (" (default)") : "")); | |
565 | for (int ii = 0; ii < hwcprof_enabled_cnt; ii++) | |
566 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
567 | GTXT ("\t %u. %s\n"), ii + 1, | |
568 | hwc_hwcentry_specd_string (ctrbuf, MAXPATHLEN, &hwctr[ii])); | |
569 | } | |
570 | if (heaptrace_enabled != 0) | |
571 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
572 | GTXT ("\theap tracing enabled, %s\n"), | |
573 | (heaptrace_checkenabled == 0 ? GTXT ("no checking") : | |
574 | (heaptrace_checkenabled == 1 ? GTXT ("over/underrun checking") : | |
575 | GTXT ("over/underrun checking and pattern storing")))); | |
576 | if (iotrace_enabled != 0) | |
577 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
578 | GTXT ("\tI/O tracing enabled\n")); | |
579 | switch (count_enabled) | |
580 | { | |
581 | case 0: | |
582 | break; | |
583 | case 1: | |
584 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
585 | GTXT ("\tcount data enabled\n")); | |
586 | break; | |
587 | case -1: | |
588 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
589 | GTXT ("\tstatic count data will be generated (for a.out only)\n")); | |
590 | break; | |
591 | } | |
592 | switch (follow_mode) | |
593 | { | |
594 | case FOLLOW_ON: | |
595 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
596 | GTXT ("\tdescendant processes will be followed\n")); | |
597 | break; | |
598 | case FOLLOW_ALL: | |
599 | if (follow_spec_usr && follow_spec_cmp) | |
600 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
601 | GTXT ("\texperiments will be recorded for descendant processes that match pattern '%s'\n"), | |
602 | follow_spec_usr); | |
603 | else | |
604 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
605 | GTXT ("\tdescendant processes will all be followed\n")); | |
606 | break; | |
607 | case FOLLOW_NONE: | |
608 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
609 | GTXT ("\tdescendant processes will not be followed\n")); | |
610 | break; | |
611 | default: | |
612 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
613 | GTXT ("\tfollowing descendant processes: <UNKNOWN>\n")); | |
614 | break; | |
615 | } | |
616 | if (java_mode == 0) | |
617 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
618 | GTXT ("\tjava profiling disabled\n")); | |
619 | if (pauseresume_sig != 0) | |
620 | { | |
621 | const char *buf = strsignal (pauseresume_sig); | |
622 | if (buf != NULL) | |
623 | { | |
624 | if (pauseresume_pause == 1) | |
625 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
626 | GTXT ("\tpause-resume (delayed initialization) signal %s (%d) -- paused\n"), buf, pauseresume_sig); | |
627 | else | |
628 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
629 | GTXT ("\tpause-resume (delayed initialization) signal %s (%d)\n"), buf, pauseresume_sig); | |
630 | } | |
631 | else | |
632 | { | |
633 | if (pauseresume_pause == 1) | |
634 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
635 | GTXT ("\tpause-resume (delayed initialization) signal %d -- paused\n"), pauseresume_sig); | |
636 | else | |
637 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
638 | GTXT ("\tpause-resume (delayed initialization) signal %d\n"), pauseresume_sig); | |
639 | } | |
640 | } | |
641 | if (sample_sig != 0) | |
642 | { | |
643 | const char *buf = strsignal (sample_sig); | |
644 | if (buf != NULL) | |
645 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
646 | GTXT ("\tsample signal %s (%d)\n"), buf, sample_sig); | |
647 | else | |
648 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
649 | GTXT ("\tsample signal %d\n"), sample_sig); | |
650 | } | |
651 | if (time_run != 0 || start_delay != 0) | |
652 | { | |
653 | if (start_delay != 0) | |
654 | { | |
655 | if (time_run != 0) | |
656 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
657 | GTXT ("\tdata-collection duration, %d-%d secs.\n"), start_delay, time_run); | |
658 | else | |
659 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
660 | GTXT ("\tdata-collection duration, %d- secs.\n"), start_delay); | |
661 | } | |
662 | else | |
663 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
664 | GTXT ("\tdata-collection duration, %d secs.\n"), time_run); | |
665 | } | |
666 | if (sample_period != 0) | |
667 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
668 | GTXT ("\tperiodic sampling, %d secs.\n"), sample_period); | |
669 | else | |
670 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
671 | GTXT ("\tno periodic sampling\n")); | |
672 | if (size_limit != 0) | |
673 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
674 | GTXT ("\texperiment size limit %d MB.\n"), size_limit); | |
675 | else | |
676 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
677 | GTXT ("\tno experiment size limit set\n")); | |
678 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
679 | GTXT ("\texperiment archiving: -a %s\n"), archive_mode); | |
680 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
681 | GTXT ("\tdata descriptor: \"%s\"\n"), | |
682 | ((data_desc != NULL) ? data_desc : NTXT ("<NULL>"))); | |
683 | #if 0 | |
684 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
685 | GTXT ("\t expt_dir: %s\n"), | |
686 | ((expt_dir != NULL) ? expt_dir : NTXT ("<NULL>"))); | |
687 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
688 | GTXT ("\t base_name: %s\n"), | |
689 | ((base_name != NULL) ? base_name : NTXT ("<NULL>"))); | |
690 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
691 | GTXT ("\t store_dir: %s\n"), | |
692 | ((store_dir != NULL) ? store_dir : NTXT ("<NULL>"))); | |
693 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
694 | GTXT ("\t store_ptr: %s\n"), | |
695 | ((store_ptr != NULL) ? store_ptr : NTXT ("<NULL>"))); | |
696 | #endif | |
697 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
698 | GTXT ("\t\thost: `%s', ncpus = %d, clock frequency %d MHz.\n"), | |
699 | ((node_name != NULL) ? node_name : NTXT ("<NULL>")), | |
700 | (int) ncpus, (int) cpu_clk_freq); | |
701 | if (npages > 0) | |
702 | { | |
703 | long long memsize = ((long long) npages * (long long) page_size) / (1024 * 1024); | |
704 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
705 | GTXT ("\t\tmemory: %ld pages @ %ld bytes = %lld MB.\n"), | |
706 | npages, page_size, memsize); | |
707 | } | |
708 | return strdup (UEbuf); | |
709 | } | |
710 | ||
711 | #define MAX_COLLECT_ARGS 100 | |
712 | ||
713 | char ** | |
714 | Coll_Ctrl::get_collect_args () | |
715 | { | |
716 | char buf[DD_MAXPATHLEN]; | |
717 | char **p; | |
718 | char **argv = (char **) calloc (MAX_COLLECT_ARGS, sizeof (char *)); | |
719 | if (argv == NULL) // poor way of dealing with calloc failure | |
720 | abort (); | |
721 | p = argv; | |
722 | *p++ = strdup ("collect"); | |
723 | if (debug_mode == 1) | |
724 | *p++ = strdup ("-x"); | |
725 | if (clkprof_enabled != 0) | |
726 | { | |
727 | *p++ = strdup ("-p"); | |
728 | snprintf (buf, sizeof (buf), "%du", clkprof_timer); | |
729 | *p++ = strdup (buf); | |
730 | } | |
731 | if (hwcprof_enabled_cnt > 0) | |
732 | { | |
733 | *buf = 0; | |
734 | *p++ = strdup ("-h"); | |
735 | for (int ii = 0; ii < hwcprof_enabled_cnt; ii++) | |
736 | { | |
737 | char*rateString = hwc_rate_string (&hwctr[ii], 1); //"1" is for temporary goldfile compatibility. TBR YXXX!! | |
738 | snprintf (buf + strlen (buf), sizeof (buf) - strlen (buf), | |
739 | "%s%s,%s%s", ii ? "," : "", hwctr[ii].name, | |
740 | rateString ? rateString : "", | |
741 | (ii + 1 < hwcprof_enabled_cnt) ? "," : ""); | |
742 | free (rateString); | |
743 | } | |
744 | if (strlen (buf) + 1 >= sizeof (buf)) | |
745 | abort (); | |
746 | *p++ = strdup (buf); | |
747 | } | |
748 | if (heaptrace_enabled != 0) | |
749 | { | |
750 | *p++ = strdup ("-H"); | |
751 | *p++ = strdup ("on"); | |
752 | } | |
753 | if (iotrace_enabled != 0) | |
754 | { | |
755 | *p++ = strdup ("-i"); | |
756 | *p++ = strdup ("on"); | |
757 | } | |
758 | if (synctrace_enabled != 0) | |
759 | { | |
760 | *p++ = strdup ("-s"); | |
761 | if (synctrace_thresh < 0) | |
762 | *p++ = strdup ("calibrate"); | |
90eca711 | 763 | else if (synctrace_thresh == 0) |
bb368aad VM |
764 | *p++ = strdup ("all"); |
765 | else | |
766 | *p++ = dbe_sprintf ("%d", synctrace_thresh); | |
767 | *p++ = dbe_sprintf (",%d", synctrace_scope); | |
768 | } | |
769 | if (follow_mode != 0) | |
770 | { | |
771 | *p++ = strdup ("-F"); | |
772 | char * fs = get_follow_usr_spec (); | |
773 | if (fs) | |
774 | *p++ = strdup (fs); | |
775 | else | |
776 | { | |
777 | switch (get_follow_mode ()) | |
778 | { | |
779 | case FOLLOW_ON: | |
780 | *p++ = strdup ("on"); | |
781 | break; | |
782 | case FOLLOW_ALL: | |
783 | *p++ = strdup ("all"); | |
784 | break; | |
785 | case FOLLOW_NONE: | |
786 | default: | |
787 | *p++ = strdup ("off"); | |
788 | break; | |
789 | } | |
790 | } | |
791 | } | |
792 | *p++ = strdup ("-a"); | |
793 | *p++ = strdup (get_archive_mode ()); | |
794 | if (java_mode != 0) | |
795 | { | |
796 | *p++ = strdup ("-j"); | |
797 | *p++ = strdup ("on"); | |
798 | } | |
799 | if (pauseresume_sig != 0) | |
800 | { | |
801 | *p++ = strdup ("-y"); | |
802 | *p++ = dbe_sprintf ("%d%s", pauseresume_sig, | |
803 | (pauseresume_pause == 0 ? ",r" : "")); | |
804 | } | |
805 | if (sample_sig != 0) | |
806 | { | |
807 | *p++ = strdup ("-l"); | |
808 | *p++ = dbe_sprintf ("%d", sample_sig); | |
809 | } | |
810 | if (sample_period != 0) | |
811 | { | |
812 | *p++ = strdup ("-S"); | |
813 | *p++ = dbe_sprintf ("%d", sample_period); | |
814 | } | |
815 | if (size_limit != 0) | |
816 | { | |
817 | *p++ = strdup ("-L"); | |
818 | *p++ = dbe_sprintf ("%d", size_limit); | |
819 | } | |
820 | if (expt_group != NULL) | |
821 | { | |
822 | *p++ = strdup ("-g"); | |
823 | *p++ = strdup (expt_group); | |
824 | } | |
825 | if (udir_name != 0) | |
826 | { | |
827 | *p++ = strdup ("-d"); | |
828 | *p++ = strdup (udir_name); | |
829 | } | |
830 | if (expt_name != 0) | |
831 | { | |
832 | *p++ = strdup ("-o"); | |
833 | *p++ = strdup (expt_name); | |
834 | } | |
835 | if (p - argv >= MAX_COLLECT_ARGS) // argument list too small -- fatal error | |
836 | abort (); | |
837 | return argv; | |
838 | } | |
839 | ||
840 | char * | |
841 | Coll_Ctrl::show_expt () | |
842 | { | |
843 | if (enabled == 0) | |
844 | return NULL; | |
845 | char UEbuf[4096]; | |
846 | UEbuf[0] = 0; | |
847 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
848 | GTXT ("Creating experiment directory %s (Process ID: %ld) ...\n"), | |
849 | ((store_ptr != NULL) ? store_ptr : NTXT ("<NULL>")), (long) getpid ()); | |
850 | char *caller = getenv ("SP_COLLECTOR_FROM_GUI"); // Collector from GUI | |
851 | if (caller != NULL) // Print non-localized message | |
852 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
853 | NTXT ("\nCreating experiment directory %s (Process ID: %ld) ...\n"), | |
854 | ((store_ptr != NULL) ? store_ptr : NTXT ("<NULL>")), (long) getpid ()); | |
855 | #if 0 | |
856 | char *fstype = get_fstype (store_dir); | |
857 | if ((fstype != NULL) && (nofswarn == 0)) | |
858 | { | |
859 | // only warn if clock or hwc profiling is turned on | |
860 | if (clkprof_enabled || hwcprof_enabled_cnt != 0) | |
861 | snprintf (UEbuf + strlen (UEbuf), sizeof (UEbuf) - strlen (UEbuf), | |
862 | GTXT ("this experiment is being recorded to a file system \nof type \"%s\", which may distort the measured performance."), | |
863 | fstype); | |
864 | } | |
865 | #endif | |
866 | return strdup (UEbuf); | |
867 | } | |
868 | ||
869 | void | |
870 | Coll_Ctrl::set_clk_params (int min, int res, int max, int hi, int norm, int lo) | |
871 | { | |
872 | clk_params.min = min; | |
873 | clk_params.res = res; | |
874 | clk_params.max = max; | |
875 | clk_params.hival = hi; | |
876 | clk_params.normval = norm; | |
877 | clk_params.lowval = lo; | |
878 | set_clkprof_timer_target (clk_params.normval); // note: requires clk_params to be initialized! | |
879 | } | |
880 | ||
881 | char * | |
882 | Coll_Ctrl::reset_clkprof (int val) | |
883 | { | |
884 | if (val != clkprof_timer) | |
885 | { | |
886 | // profiler has had to reset to a different value; warn user | |
887 | char *msg = dbe_sprintf ( | |
888 | GTXT ("Warning: Clock profiling timer reset from %.3f millisec. to %.3f millisec. as required by profiling driver\n\n"), | |
889 | (double) (clkprof_timer) / 1000., (double) (val) / 1000.); | |
890 | adjust_clkprof_timer (val); | |
891 | return msg; | |
892 | } | |
893 | return NULL; | |
894 | } | |
895 | ||
896 | char * | |
897 | Coll_Ctrl::set_clkprof (const char *string, char** warn) | |
898 | { | |
899 | int ticks; | |
900 | int nclkprof_timer; | |
901 | int prevclkprof_enabled; | |
902 | int prevclkprof_default; | |
903 | *warn = NULL; | |
904 | if (opened == 1) | |
905 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
906 | /* if the first character is a +, warn user that it is no longer supported */ | |
907 | if (string[0] == '+') | |
908 | return strdup (GTXT ("Warning: clock-based memoryspace and dataspace profiling is no longer supported\n")); | |
909 | if (strcmp (string, "off") == 0) | |
910 | { | |
911 | clkprof_enabled = 0; | |
912 | clkprof_default = 0; | |
913 | return NULL; | |
914 | } | |
915 | else if (string == NULL || strcmp (string, "on") == 0) | |
916 | nclkprof_timer = clk_params.normval; | |
917 | else if (strcmp (string, "lo") == 0 || strcmp (string, "low") == 0) | |
918 | nclkprof_timer = clk_params.lowval; | |
919 | else if (strcmp (string, "hi") == 0 || strcmp (string, "high") == 0 | |
920 | || strcmp (string, "h") == 0) | |
921 | nclkprof_timer = clk_params.hival; | |
922 | else | |
923 | { | |
924 | /* the remaining string should be a number > 0 */ | |
925 | char *endchar = NULL; | |
926 | double dval = strtod (string, &endchar); | |
927 | if (*endchar == 'm' || *endchar == 0) /* user specified milliseconds */ | |
928 | dval = dval * 1000.; | |
929 | else if (*endchar == 'u') /* user specified microseconds */ | |
930 | dval = dval; | |
931 | else | |
932 | return dbe_sprintf (GTXT ("Unrecognized clock-profiling interval `%s'\n"), string); | |
933 | nclkprof_timer = (int) (dval + 0.5); | |
934 | } | |
935 | // we now have the proposed value; ensure it's within limits | |
936 | if (nclkprof_timer <= 0) | |
937 | return dbe_sprintf (GTXT ("Unrecognized clock-profiling interval `%s'\n"), string); | |
938 | ||
939 | // Check consistency with experiment | |
940 | prevclkprof_enabled = clkprof_enabled; | |
941 | prevclkprof_default = clkprof_default; | |
942 | clkprof_enabled = 1; | |
943 | clkprof_default = 0; | |
944 | char *ret = check_consistency (); | |
945 | if (ret != NULL) | |
946 | { | |
947 | clkprof_default = prevclkprof_default; | |
948 | clkprof_enabled = prevclkprof_enabled; | |
949 | return ret; | |
950 | } | |
951 | int ref_nclkprof_timer = nclkprof_timer; | |
952 | ||
953 | // check for minimum value | |
954 | if (nclkprof_timer < clk_params.min) | |
955 | { | |
956 | /* value too small, use minimum value, with warning */ | |
957 | *warn = dbe_sprintf ( | |
958 | GTXT ("Warning: Clock profiling at %.3f millisec. interval is not supported on this system; minimum %.3f millisec. used\n"), | |
959 | (double) (nclkprof_timer) / 1000., (double) (clk_params.min) / 1000.); | |
960 | nclkprof_timer = clk_params.min; | |
961 | } | |
962 | ||
963 | // check for maximum value | |
964 | if (nclkprof_timer > clk_params.max) | |
965 | { | |
966 | *warn = dbe_sprintf ( | |
967 | GTXT ("Clock profiling at %.3f millisec. interval is not supported on this system; maximum %.3f millisec. used\n"), | |
968 | (double) (nclkprof_timer) / 1000., (double) (clk_params.max) / 1000.); | |
969 | nclkprof_timer = clk_params.max; | |
970 | } | |
971 | ||
972 | /* see if setting is a multiple of the period */ | |
973 | if (nclkprof_timer > clk_params.res) | |
974 | { | |
975 | ticks = ((nclkprof_timer / clk_params.res) * clk_params.res); | |
976 | if (ticks != nclkprof_timer) | |
977 | { | |
978 | /* no, we need to reset to a multiple */ | |
979 | *warn = dbe_sprintf ( | |
980 | GTXT ("Clock profile interval rounded from %.3f to %.3f (system resolution = %.3f) millisec."), | |
981 | (double) (nclkprof_timer) / 1000., (double) (ticks) / 1000., | |
982 | (double) (clk_params.res) / 1000.); | |
983 | nclkprof_timer = ticks; | |
984 | } | |
985 | } | |
986 | ||
987 | // limit reference "target" rate. Target rate is also used for HWCS. | |
988 | if (ref_nclkprof_timer > PROFINT_MAX) | |
989 | ref_nclkprof_timer = PROFINT_MAX; | |
990 | if (ref_nclkprof_timer < PROFINT_MIN) | |
991 | ref_nclkprof_timer = PROFINT_MIN; | |
992 | set_clkprof_timer_target (ref_nclkprof_timer); | |
993 | adjust_clkprof_timer (nclkprof_timer); | |
994 | return NULL; | |
995 | } | |
996 | ||
997 | char * | |
998 | Coll_Ctrl::set_synctrace (const char *string) | |
999 | { | |
1000 | if (opened == 1) | |
1001 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1002 | char *comma_p = NULL; | |
1003 | if (string == NULL) | |
1004 | { | |
1005 | /* no argument provided, use default: calibrate and native */ | |
1006 | synctrace_enabled = 1; | |
1007 | synctrace_thresh = -1; | |
1008 | synctrace_scope = SYNCSCOPE_NATIVE; | |
1009 | char *ret = check_consistency (); | |
1010 | if (ret != NULL) | |
1011 | { | |
1012 | synctrace_enabled = 0; | |
1013 | return ret; | |
1014 | } | |
1015 | return NULL; | |
1016 | } | |
1017 | char *val = strdup (string); | |
1018 | /* see if there's a comma in the string */ | |
1019 | char *next = strchr (val, (int) ','); | |
1020 | if (next != NULL) | |
1021 | { | |
1022 | /* remember where the comma was */ | |
1023 | comma_p = next; | |
1024 | ||
1025 | /* set the scope based on the characters following the comma */ | |
1026 | synctrace_scope = 0; | |
1027 | next++; | |
1028 | while (*next != 0) | |
1029 | { | |
1030 | if (*next == 'n') | |
1031 | synctrace_scope |= SYNCSCOPE_NATIVE; | |
1032 | else if (*next == 'j') | |
1033 | synctrace_scope |= SYNCSCOPE_JAVA; | |
1034 | else | |
1035 | return dbe_sprintf (GTXT ("Unrecognized synchronization tracing threshold `%s'\n"), string); | |
1036 | next++; | |
1037 | } | |
1038 | if (synctrace_scope == 0) | |
1039 | synctrace_scope = SYNCSCOPE_NATIVE; | |
1040 | /* clear the comma for the threshold determination */ | |
1041 | *comma_p = 0; | |
1042 | } | |
1043 | else /* no ",<scope>" -- default to native and Java */ | |
1044 | synctrace_scope = SYNCSCOPE_NATIVE | SYNCSCOPE_JAVA; | |
1045 | if (!strlen (val) || !strcmp (val, "calibrate") || !strcmp (val, "on")) | |
1046 | { | |
1047 | /* use default: calibrate and native */ | |
1048 | synctrace_enabled = 1; | |
1049 | synctrace_thresh = -1; | |
1050 | free (val); | |
1051 | char *ret = check_consistency (); | |
1052 | if (ret != NULL) | |
1053 | { | |
1054 | synctrace_enabled = 0; | |
1055 | return ret; | |
1056 | } | |
1057 | return NULL; | |
1058 | } | |
1059 | if (strcmp (val, "off") == 0) | |
1060 | { | |
1061 | synctrace_enabled = 0; | |
1062 | free (val); | |
1063 | return NULL; | |
1064 | } | |
1065 | if (strcmp (val, "all") == 0) | |
1066 | { | |
1067 | /* set to record all events */ | |
1068 | synctrace_thresh = 0; | |
1069 | synctrace_enabled = 1; | |
1070 | char *ret = check_consistency (); | |
1071 | free (val); | |
1072 | if (ret != NULL) | |
1073 | { | |
1074 | synctrace_enabled = 0; | |
1075 | return ret; | |
1076 | } | |
1077 | return NULL; | |
1078 | } | |
1079 | /* the remaining string should be a number >= 0 */ | |
1080 | char *endchar = NULL; | |
1081 | int tval = (int) strtol (val, &endchar, 0); | |
1082 | free (val); | |
1083 | if (*endchar != 0 || tval < 0) | |
1084 | { | |
1085 | /* invalid setting */ | |
1086 | /* restore the comma, if it was zeroed out */ | |
1087 | if (comma_p != NULL) | |
1088 | *comma_p = ','; | |
1089 | return dbe_sprintf (GTXT ("Unrecognized synchronization tracing threshold `%s'\n"), string); | |
1090 | } | |
1091 | synctrace_thresh = tval; | |
1092 | synctrace_enabled = 1; | |
1093 | return NULL; | |
1094 | } | |
1095 | ||
1096 | char * | |
1097 | Coll_Ctrl::set_heaptrace (const char *string) | |
1098 | { | |
1099 | if (opened == 1) | |
1100 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1101 | if (string == NULL || strlen (string) == 0 || strcmp (string, "on") == 0) | |
1102 | { | |
1103 | heaptrace_enabled = 1; | |
1104 | char *ret = check_consistency (); | |
1105 | if (ret != NULL) | |
1106 | { | |
1107 | heaptrace_enabled = 0; | |
1108 | return ret; | |
1109 | } | |
1110 | return NULL; | |
1111 | } | |
1112 | if (strcmp (string, "off") == 0) | |
1113 | { | |
1114 | heaptrace_enabled = 0; | |
1115 | return NULL; | |
1116 | } | |
1117 | #if 0 | |
1118 | if (strcmp (string, "check") == 0) | |
1119 | { | |
1120 | /* set to check for over/underruns */ | |
1121 | heaptrace_checkenabled = 1; | |
1122 | heaptrace_enabled = 1; | |
1123 | return NULL; | |
1124 | } | |
1125 | if (strcmp (string, "clear") == 0) | |
1126 | { | |
1127 | /* set to check for over/underruns, and store patterns */ | |
1128 | heaptrace_checkenabled = 2; | |
1129 | heaptrace_enabled = 1; | |
1130 | return NULL; | |
1131 | } | |
1132 | #endif | |
1133 | return dbe_sprintf (GTXT ("Unrecognized heap tracing parameter `%s'\n"), string); | |
1134 | } | |
1135 | ||
1136 | char * | |
1137 | Coll_Ctrl::set_iotrace (const char *string) | |
1138 | { | |
1139 | if (opened == 1) | |
1140 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1141 | if (string == NULL || strlen (string) == 0 || strcmp (string, "on") == 0) | |
1142 | { | |
1143 | iotrace_enabled = 1; | |
1144 | char *ret = check_consistency (); | |
1145 | if (ret != NULL) | |
1146 | { | |
1147 | iotrace_enabled = 0; | |
1148 | return ret; | |
1149 | } | |
1150 | return NULL; | |
1151 | } | |
1152 | if (strcmp (string, "off") == 0) | |
1153 | { | |
1154 | iotrace_enabled = 0; | |
1155 | return NULL; | |
1156 | } | |
1157 | return dbe_sprintf (GTXT ("Unrecognized I/O tracing parameter `%s'\n"), string); | |
1158 | } | |
1159 | ||
1160 | char * | |
1161 | Coll_Ctrl::set_count (const char *string) | |
1162 | { | |
1163 | int ret = -1; | |
1164 | if (opened == 1) | |
1165 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1166 | if (string == NULL || strlen (string) == 0 || strcmp (string, "off") == 0) | |
1167 | { | |
1168 | count_enabled = 0; | |
1169 | ret = 0; | |
1170 | } | |
1171 | if (strcmp (string, "on") == 0) | |
1172 | { | |
1173 | count_enabled = 1; | |
1174 | char *cret = check_consistency (); | |
1175 | if (cret != NULL) | |
1176 | { | |
1177 | count_enabled = 0; | |
1178 | return cret; | |
1179 | } | |
1180 | ret = 0; | |
1181 | } | |
1182 | if (strcmp (string, "static") == 0) | |
1183 | { | |
1184 | count_enabled = -1; | |
1185 | char *cret = check_consistency (); | |
1186 | if (cret != NULL) | |
1187 | { | |
1188 | count_enabled = 0; | |
1189 | return cret; | |
1190 | } | |
1191 | ret = 0; | |
1192 | } | |
1193 | if (ret == 0) | |
1194 | { | |
1195 | if (count_enabled != 0) | |
1196 | { | |
1197 | /* ensure that sample period is 0, if set by default */ | |
1198 | if (sample_default == 1) | |
1199 | sample_period = 0; | |
1200 | /* ensure that clock profiling is off, if set by default */ | |
1201 | if (clkprof_default == 1) | |
1202 | { | |
1203 | clkprof_default = 0; | |
1204 | clkprof_enabled = 0; | |
1205 | } | |
1206 | if (hwcprof_default == 1) | |
1207 | hwcprof_default = 0; | |
1208 | } | |
1209 | return NULL; | |
1210 | } | |
1211 | return dbe_sprintf (GTXT ("Unrecognized count parameter `%s'\n"), string); | |
1212 | } | |
1213 | ||
1214 | char * | |
1215 | Coll_Ctrl::set_time_run (const char *valarg) | |
1216 | { | |
1217 | if (opened == 1) | |
1218 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1219 | if (valarg == NULL) /* invalid setting */ | |
1220 | return strdup (GTXT ("time parameter can not be NULL\n")); | |
1221 | /* the string should be a number >= 0 */ | |
1222 | int prev_start_delay = start_delay; | |
1223 | int prev_time_run = time_run; | |
1224 | const char *endchar = valarg; | |
1225 | char *newchar = NULL; | |
1226 | int val = 0; | |
1227 | if (*endchar != '-') | |
1228 | { | |
1229 | val = (int) strtol (endchar, &newchar, 0); | |
1230 | endchar = newchar; | |
1231 | if (val < 0) | |
1232 | return dbe_sprintf (GTXT ("Unrecognized time parameter `%s'\n"), valarg); | |
1233 | if (*endchar == 'm') | |
1234 | { | |
1235 | val = val * 60; /* convert to seconds */ | |
1236 | endchar++; | |
1237 | } | |
1238 | else if (*endchar == 's') /* no conversion needed */ | |
1239 | endchar++; | |
1240 | if (*endchar == 0) | |
1241 | { | |
1242 | time_run = val; | |
1243 | return NULL; | |
1244 | } | |
1245 | else if (*endchar != '-') | |
1246 | return dbe_sprintf (GTXT ("Unrecognized time parameter `%s'\n"), valarg); | |
1247 | } | |
1248 | /* a second number is provided */ | |
1249 | start_delay = val; | |
1250 | endchar++; | |
1251 | val = (int) strtol (endchar, &newchar, 0); | |
1252 | endchar = newchar; | |
1253 | if (val < 0) | |
1254 | { | |
1255 | start_delay = prev_start_delay; | |
1256 | return dbe_sprintf (GTXT ("Unrecognized time parameter `%s'\n"), valarg); | |
1257 | } | |
1258 | if (*endchar == 'm') | |
1259 | { | |
1260 | val = val * 60; /* convert to seconds */ | |
1261 | endchar++; | |
1262 | } | |
1263 | else if (*endchar == 's') /* no conversion needed */ | |
1264 | endchar++; | |
1265 | if (*endchar != 0) | |
1266 | { | |
1267 | start_delay = prev_start_delay; | |
1268 | return dbe_sprintf (GTXT ("Unrecognized time parameter `%s'\n"), valarg); | |
1269 | } | |
1270 | time_run = val; | |
1271 | if (time_run != 0 && start_delay >= time_run) | |
1272 | { | |
1273 | start_delay = prev_start_delay; | |
1274 | return dbe_sprintf (GTXT ("Invalid time parameter `%s': start time must be earlier than end time\n"), valarg); | |
1275 | } | |
1276 | char *ret = check_consistency (); | |
1277 | if (ret != NULL) | |
1278 | { | |
1279 | start_delay = prev_start_delay; | |
1280 | time_run = prev_time_run; | |
1281 | return ret; | |
1282 | } | |
1283 | return NULL; | |
1284 | } | |
1285 | ||
1286 | char * | |
1287 | Coll_Ctrl::set_attach_pid (char *valarg) | |
1288 | { | |
1289 | if (opened == 1) | |
1290 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1291 | if (valarg == NULL) | |
1292 | return strdup (GTXT ("Specified PID can not be NULL\n")); | |
1293 | ||
1294 | /* the string should be a number corresponding to an active process' pid */ | |
1295 | char *endchar = NULL; | |
1296 | int val = (int) strtol (valarg, &endchar, 0); | |
1297 | if (*endchar != 0 || val < 0) | |
1298 | return dbe_sprintf (GTXT ("Invalid process pid `%s'\n"), valarg); | |
1299 | int prev_attach_pid = attach_pid; | |
1300 | attach_pid = val; | |
1301 | char *ret = check_consistency (); | |
1302 | if (ret != NULL) | |
1303 | { | |
1304 | attach_pid = prev_attach_pid; | |
1305 | return ret; | |
1306 | } | |
1307 | return NULL; | |
1308 | } | |
1309 | ||
1310 | void | |
1311 | Coll_Ctrl::free_hwc_fields (Hwcentry * tmpctr) | |
1312 | { | |
1313 | if (tmpctr->name != NULL) | |
1314 | free (tmpctr->name); | |
1315 | if (tmpctr->int_name != NULL) | |
1316 | free (tmpctr->int_name); | |
1317 | memset (tmpctr, 0, sizeof (Hwcentry)); | |
1318 | tmpctr->reg_num = -1; | |
1319 | } | |
1320 | ||
1321 | void | |
1322 | Coll_Ctrl::hwcentry_dup (Hwcentry *hnew, Hwcentry *_hwc) | |
1323 | { | |
1324 | *hnew = *_hwc; | |
1325 | if (_hwc->name != NULL) | |
1326 | hnew->name = strdup (_hwc->name); | |
1327 | else | |
1328 | hnew->name = NULL; | |
1329 | if (_hwc->int_name != NULL) | |
1330 | hnew->int_name = strdup (_hwc->int_name); | |
1331 | else | |
1332 | hnew->int_name = NULL; | |
1333 | if (_hwc->metric != NULL) | |
1334 | hnew->metric = strdup (_hwc->metric); | |
1335 | else | |
1336 | hnew->metric = NULL; | |
1337 | if (_hwc->short_desc != NULL) | |
1338 | hnew->short_desc = strdup (_hwc->short_desc); | |
1339 | else | |
1340 | hnew->short_desc = NULL; | |
1341 | if (_hwc->reg_list != NULL) | |
1342 | { | |
1343 | hnew->reg_list = (regno_t*) malloc (sizeof (regno_t*) * MAX_PICS); | |
1344 | // poor way of dealing with malloc failure | |
1345 | if (hnew->reg_list) | |
1346 | { | |
1347 | for (int i = 0; i < MAX_PICS; i++) | |
1348 | { | |
1349 | hnew->reg_list[i] = _hwc->reg_list[i]; | |
1350 | if (hnew->reg_list[i] == REGNO_ANY) | |
1351 | break; | |
1352 | } | |
1353 | } | |
1354 | } | |
1355 | } | |
1356 | ||
1357 | // Routine to initialize the HWC tables, set up the default experiment, etc. | |
1358 | void | |
1359 | Coll_Ctrl::setup_hwc () | |
1360 | { | |
1361 | static bool is_hwc_setup = false; | |
1362 | if (is_hwc_setup == true) | |
1363 | return; | |
1364 | // try to set the default counters | |
1365 | is_hwc_setup = true; | |
1366 | set_hwcdefault (); | |
1367 | } | |
1368 | ||
1369 | hrtime_t | |
1370 | Coll_Ctrl::clkprof_timer_2_hwcentry_min_time (int target_clkprof_usec) | |
1371 | { | |
1372 | hrtime_t hwc_nanosec; | |
1373 | if (target_clkprof_usec == clk_params.normval) | |
1374 | hwc_nanosec = HWCTIME_ON; | |
1375 | else if (target_clkprof_usec == clk_params.lowval) | |
1376 | hwc_nanosec = HWCTIME_LO; | |
1377 | else if (target_clkprof_usec == clk_params.hival) | |
1378 | hwc_nanosec = HWCTIME_HI; | |
1379 | else | |
1380 | hwc_nanosec = 1000LL * target_clkprof_usec; // nanoseconds | |
1381 | return hwc_nanosec; | |
1382 | } | |
1383 | ||
1384 | void | |
1385 | Coll_Ctrl::set_clkprof_timer_target (int microseconds) | |
1386 | { | |
1387 | clkprof_timer = microseconds; | |
1388 | clkprof_timer_target = microseconds; | |
1389 | hrtime_t hwc_min_time_nanosec = clkprof_timer_2_hwcentry_min_time (microseconds); | |
1390 | for (int ii = 0; ii < hwcprof_enabled_cnt; ii++) | |
1391 | { | |
1392 | hwctr[ii].min_time_default = hwc_min_time_nanosec; | |
1393 | hwc_update_val (&hwctr[ii]); | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | void | |
1398 | Coll_Ctrl::adjust_clkprof_timer (int use) | |
1399 | { | |
1400 | clkprof_timer = use; | |
1401 | } | |
1402 | ||
1403 | /* set HWC counter set from a string */ | |
1404 | char * /* return an error string */ | |
1405 | Coll_Ctrl::set_hwcstring (const char *string, char **warnmsg) | |
1406 | { | |
1407 | *warnmsg = NULL; | |
1408 | if (string == NULL || strcmp (string, "off") == 0) | |
1409 | { | |
1410 | hwcprof_enabled_cnt = 0; | |
1411 | return NULL; | |
1412 | } | |
1413 | setup_hwc (); | |
1414 | int old_cnt = hwcprof_enabled_cnt; | |
1415 | int old_hwcprof_default = hwcprof_default; | |
1416 | ||
1417 | /* reset any previous count to zero */ | |
1418 | hwcprof_enabled_cnt = 0; | |
1419 | char *ret = add_hwcstring (string, warnmsg); | |
1420 | if (ret != NULL) | |
1421 | { | |
1422 | // restore previous setting | |
1423 | hwcprof_enabled_cnt = old_cnt; | |
1424 | hwcprof_default = old_hwcprof_default; | |
1425 | } | |
1426 | return ret; | |
1427 | } | |
1428 | ||
1429 | /* add additional HWC counters to counter set from string */ | |
1430 | char * /* return an error string */ | |
1431 | Coll_Ctrl::add_hwcstring (const char *string, char **warnmsg) | |
1432 | { | |
1433 | *warnmsg = NULL; | |
1434 | if (string == NULL || strcmp (string, "off") == 0) | |
1435 | { | |
1436 | hwcprof_enabled_cnt = 0; | |
1437 | return NULL; | |
1438 | } | |
1439 | setup_hwc (); | |
1440 | int rc = 0; | |
1441 | int old_cnt = hwcprof_enabled_cnt; | |
1442 | int prev_cnt = hwcprof_enabled_cnt; | |
1443 | // int old_hwcprof_default = hwcprof_default; | |
1444 | char UEbuf[MAXPATHLEN * 5]; | |
1445 | int UEsz; | |
1446 | Hwcentry tmpctr[MAX_PICS]; | |
1447 | Hwcentry * ctrtable[MAX_PICS]; | |
1448 | char *emsg; | |
1449 | char *wmsg; | |
1450 | UEbuf[0] = 0; | |
1451 | UEsz = sizeof (UEbuf); | |
1452 | if (opened == 1) | |
1453 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1454 | if (hwcprof_default == 0) | |
1455 | { | |
1456 | /* Copy the counters already defined */ | |
1457 | for (int ii = 0; ii < prev_cnt; ii++) | |
1458 | tmpctr[ii] = hwctr[ii]; | |
1459 | } | |
1460 | else /* the previously-defined counters were defaulted; don't copy them */ | |
1461 | prev_cnt = 0; | |
1462 | ||
1463 | /* look up the CPU version */ | |
1464 | cpc_cpuver = hwc_get_cpc_cpuver (); | |
1465 | if (string && *string) | |
1466 | { | |
1467 | /* lookup counters */ | |
1468 | /* set up a pointer array */ | |
1469 | for (unsigned ii = 0; ii < MAX_PICS; ii++) | |
1470 | ctrtable[ii] = &tmpctr[ii]; | |
1471 | hrtime_t global_min_time = clkprof_timer_2_hwcentry_min_time (clkprof_timer_target); | |
1472 | rc = hwc_lookup (kernelHWC, global_min_time, string, &ctrtable[prev_cnt], MAX_PICS - prev_cnt, &emsg, &wmsg); | |
1473 | if (wmsg != NULL) | |
1474 | *warnmsg = wmsg; | |
1475 | if (rc < 0) | |
1476 | return emsg; | |
1477 | /* set count for sum of old and new counters */ | |
1478 | rc = rc + prev_cnt; | |
1479 | } | |
1480 | ||
1481 | /* even though the actual hwctr[] array is not updated, we can check consistency */ | |
1482 | char *ret = check_consistency (); | |
1483 | if (ret != NULL) | |
1484 | { | |
1485 | hwcprof_enabled_cnt = old_cnt; | |
1486 | return ret; | |
1487 | } | |
1488 | ||
1489 | /* finally, validate the full counter set */ | |
1490 | emsg = hwc_validate_ctrs (kernelHWC, ctrtable, rc); | |
1491 | if (emsg != NULL) | |
1492 | { | |
1493 | hwcprof_enabled_cnt = old_cnt; | |
1494 | return emsg; | |
1495 | } | |
1496 | ||
1497 | /* success, update real counters and the string for them */ | |
1498 | /* turn off the default */ | |
1499 | hwcprof_default = 0; | |
1500 | hwcprof_enabled_cnt = rc; | |
1501 | free (hwc_string); | |
1502 | for (int ii = 0; ii < hwcprof_enabled_cnt; ii++) | |
1503 | { | |
1504 | /* shallow copy of new counters */ | |
1505 | hwctr[ii] = tmpctr[ii]; | |
1506 | char *rateString = hwc_rate_string (&hwctr[ii], 0); | |
1507 | snprintf (UEbuf + strlen (UEbuf), UEsz - strlen (UEbuf), | |
1508 | NTXT (",%s,%s"), hwctr[ii].name, | |
1509 | rateString ? rateString : ""); | |
1510 | free (rateString); | |
1511 | } | |
1512 | /* now duplicate that string, skipping the leading comma */ | |
1513 | hwc_string = strdup (&UEbuf[1]); | |
1514 | return NULL; | |
1515 | } | |
1516 | ||
1517 | /* add default HWC counters to counter set with resolution (on, hi, or lo) */ | |
1518 | /* Note that the resultion will also be used to set the clock-profiling default */ | |
1519 | char * /* return an error string */ | |
1520 | Coll_Ctrl::add_default_hwcstring (const char *resolution, char **warnmsg, bool add, bool forKernel) | |
1521 | { | |
1522 | setup_hwc (); | |
1523 | *warnmsg = NULL; | |
1524 | char *def_string = hwc_get_default_cntrs2 (forKernel, 1); | |
1525 | if (def_string == NULL) | |
1526 | { | |
1527 | /* no string defined, format and return an error message */ | |
1528 | char cpuname[128]; | |
1529 | hwc_get_cpuname (cpuname, sizeof (cpuname)); | |
1530 | return dbe_sprintf (GTXT ("No default HW counter set is defined for %s\n"), cpuname); | |
1531 | } | |
1532 | int len = strlen (def_string); | |
1533 | if (len == 0) | |
1534 | { | |
1535 | /* string zero-length, meaning default counters can't be used */ | |
1536 | char cpuname[128]; | |
1537 | hwc_get_cpuname (cpuname, sizeof (cpuname)); | |
1538 | return dbe_sprintf (GTXT ("HW counter set for %s cannot be loaded on this system\n"), cpuname); | |
1539 | } | |
1540 | /* allocate return string */ | |
1541 | int retsize = 2 * len + 10; | |
1542 | char *ret = (char *) malloc (retsize); | |
1543 | if (ret == NULL) | |
1544 | return strdup (GTXT ("internal error formating HW counter set; malloc failed\n")); | |
1545 | *ret = 0; | |
1546 | char *retp = ret; | |
1547 | char *stringp = def_string; | |
1548 | int first = 1; | |
1549 | char *hwc_defaultx = strdup (def_string); | |
1550 | ||
1551 | /* now massage the string in order to insert resolution for each counter */ | |
1552 | for (;;) | |
1553 | { | |
1554 | /* find the next comma */ | |
1555 | char * next; | |
1556 | char *nextp; | |
1557 | if (first == 1) | |
1558 | nextp = stringp; | |
1559 | else | |
1560 | nextp = stringp + 1; | |
1561 | first = 0; | |
1562 | if ((next = strchr (nextp, (int) ',')) != NULL) | |
1563 | { | |
1564 | if (next == nextp) | |
1565 | { | |
1566 | /* next counter is zero-length -- invalid string */ | |
1567 | char cpuname[128]; | |
1568 | hwc_get_cpuname (cpuname, sizeof (cpuname)); | |
1569 | free (ret); | |
1570 | ret = dbe_sprintf (GTXT ("HW counter set for %s, \"%s\", format error\n"), cpuname, hwc_defaultx); | |
1571 | free (hwc_defaultx); | |
1572 | return ret; | |
1573 | } | |
1574 | /* another field found */ | |
1575 | *next = 0; | |
1576 | char nextc = *(next + 1); | |
1577 | if ((nextc == 0) || (nextc == ',')) | |
1578 | { | |
1579 | /* either ,, between fields, or string ends in comma */ | |
1580 | /* append the string */ | |
1581 | strncat (retp, stringp, (retsize - strlen (retp) - 1)); | |
1582 | strncat (retp, ",", (retsize - strlen (retp) - 1)); | |
1583 | strncat (retp, resolution, (retsize - strlen (retp) - 1)); | |
1584 | if (nextc == 0) /* string ended in comma; we're done */ | |
1585 | break; | |
1586 | } | |
1587 | else | |
1588 | { | |
1589 | /* string had only one comma between counter names; that's not valid */ | |
1590 | char cpuname[128]; | |
1591 | hwc_get_cpuname (cpuname, sizeof (cpuname)); | |
1592 | free (ret); | |
1593 | ret = dbe_sprintf (GTXT ("HW counter set for %s, \"%s\", format error\n"), cpuname, hwc_defaultx); | |
1594 | free (hwc_defaultx); | |
1595 | return ret; | |
1596 | } | |
1597 | /* string had ,, between fields; move to next field */ | |
1598 | stringp = next + 1; | |
1599 | if (* (stringp + 1) == 0) /* name ended in ,, -- we're done */ | |
1600 | break; | |
1601 | continue; | |
1602 | } | |
1603 | else | |
1604 | { | |
1605 | /* no comma found, add the last counter and the comma and resolution */ | |
1606 | strncat (retp, stringp, (retsize - strlen (retp) - 1)); | |
1607 | strncat (retp, ",", (retsize - strlen (retp) - 1)); | |
1608 | strncat (retp, resolution, (retsize - strlen (retp) - 1)); | |
1609 | break; | |
1610 | } | |
1611 | } | |
1612 | ||
1613 | /* we have now formatted the new string, with resolution inserted */ | |
1614 | char *ccret; | |
1615 | if (add == true) | |
1616 | ccret = add_hwcstring (ret, warnmsg); | |
1617 | else | |
1618 | ccret = set_hwcstring (ret, warnmsg); | |
1619 | free (hwc_defaultx); | |
1620 | free (ret); | |
1621 | ||
1622 | /* now set the clock-profiling timer, if on by default */ | |
1623 | if (clkprof_default == 1) | |
1624 | { | |
1625 | if (strcmp (resolution, NTXT ("on")) == 0) | |
1626 | set_clkprof_timer_target (clk_params.normval); | |
1627 | else if (strcmp (resolution, NTXT ("lo")) == 0) | |
1628 | set_clkprof_timer_target (clk_params.lowval); | |
1629 | else if (strcmp (resolution, NTXT ("hi")) == 0) | |
1630 | set_clkprof_timer_target (clk_params.hival); | |
1631 | } | |
1632 | return ccret; | |
1633 | } | |
1634 | ||
1635 | void | |
1636 | Coll_Ctrl::set_hwcdefault () | |
1637 | { | |
1638 | char *string = hwc_get_default_cntrs2 (kernelHWC, 1); | |
1639 | if (string != NULL) | |
1640 | { | |
1641 | if (strlen (string) == 0) | |
1642 | hwcprof_default = 0; | |
1643 | else | |
1644 | { | |
1645 | char * warnmsg = NULL; | |
1646 | char *ccret = add_hwcstring (string, &warnmsg); | |
1647 | if (ccret != NULL) | |
1648 | { | |
1649 | #if 0 | |
1650 | /* set string to zero-length so that it won't be used again */ | |
1651 | hwc_set_default_cntrs (kernelHWC, NTXT ("")); | |
1652 | #endif | |
1653 | hwcprof_default = 0; | |
1654 | } | |
1655 | else | |
1656 | hwcprof_default = 1; | |
1657 | } | |
1658 | free (string); | |
1659 | } | |
1660 | else | |
1661 | hwcprof_default = 0; | |
1662 | } | |
1663 | ||
1664 | void | |
1665 | Coll_Ctrl::disable_hwc () | |
1666 | { | |
1667 | hwcprof_enabled_cnt = 0; | |
1668 | hwcprof_default = 0; | |
1669 | free (hwc_string); | |
1670 | hwc_string = NULL; | |
1671 | } | |
1672 | ||
1673 | char * | |
1674 | Coll_Ctrl::set_sample_period (const char *string) | |
1675 | { | |
1676 | int val; | |
1677 | if (opened == 1) | |
1678 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1679 | if (string == NULL || strcmp (string, "on") == 0) | |
1680 | val = 1; | |
1681 | else if (strcmp (string, "off") == 0) | |
1682 | val = 0; | |
1683 | else | |
1684 | { | |
1685 | /* string should be a number > 0 */ | |
1686 | char *endchar = NULL; | |
1687 | val = (int) strtol (string, &endchar, 0); | |
1688 | if (*endchar != 0 || val <= 0) | |
1689 | return dbe_sprintf (GTXT ("Unrecognized sample period `%s'\n"), string); | |
1690 | } | |
1691 | /* set that value */ | |
1692 | int prev_sample_period = sample_period; | |
1693 | sample_period = val; | |
1694 | char *ret = check_consistency (); | |
1695 | if (ret != NULL) | |
1696 | { | |
1697 | sample_period = prev_sample_period; | |
1698 | return ret; | |
1699 | } | |
1700 | sample_default = 0; | |
1701 | return NULL; | |
1702 | } | |
1703 | ||
1704 | char * | |
1705 | Coll_Ctrl::set_size_limit (const char *string) | |
1706 | { | |
1707 | if (opened == 1) | |
1708 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1709 | if (string == NULL || strlen (string) == 0 | |
1710 | || strcmp (string, "unlimited") == 0 || strcmp (string, "none") == 0) | |
1711 | { | |
1712 | size_limit = 0; | |
1713 | return NULL; | |
1714 | } | |
1715 | /* string should be a number >0; 0 is an error */ | |
1716 | char *endchar = NULL; | |
1717 | int val = (int) strtol (string, &endchar, 0); | |
1718 | if (*endchar != 0 || val <= 0) | |
1719 | return dbe_sprintf (GTXT ("Unrecognized size limit `%s'\n"), string); | |
1720 | size_limit = val; | |
1721 | return 0; | |
1722 | } | |
1723 | ||
1724 | void | |
1725 | Coll_Ctrl::build_data_desc () | |
1726 | { | |
1727 | char spec[DD_MAXPATHLEN]; | |
1728 | spec[0] = 0; | |
1729 | ||
1730 | // Put sample sig before clock profiling. Dbx uses PROF | |
1731 | // for that purpose and we want it to be processed first. | |
1732 | if (project_home) | |
1733 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "P:%s;", project_home); | |
1734 | if (sample_sig != 0) | |
1735 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "g:%d;", sample_sig); | |
1736 | if (pauseresume_sig != 0) | |
1737 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "d:%d%s;", pauseresume_sig, | |
1738 | (pauseresume_pause == 1 ? "p" : "")); | |
1739 | if (clkprof_enabled == 1) | |
1740 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "p:%d;", clkprof_timer); | |
1741 | if (synctrace_enabled == 1) | |
1742 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "s:%d,%d;", synctrace_thresh, synctrace_scope); | |
1743 | if (heaptrace_enabled == 1) | |
1744 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "H:%d;", heaptrace_checkenabled); | |
1745 | if (iotrace_enabled == 1) | |
1746 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "i:;"); | |
1747 | if (hwcprof_enabled_cnt > 0) | |
1748 | { | |
1749 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "h:%s", | |
1750 | (hwcprof_default == true) ? "*" : ""); | |
1751 | for (int ii = 0; ii < hwcprof_enabled_cnt; ii++) | |
1752 | { | |
1753 | /* min_time is a "new" field. | |
1754 | * | |
1755 | * To help process_data_descriptor() in hwcfuncs.c parse | |
1756 | * the HWC portion of this string -- specifically, to | |
1757 | * recognize min_time when it's present and skip over | |
1758 | * when it's not -- we prepend 'm' to the min_time value. | |
1759 | * | |
1760 | * When we no longer worry about, say, an old dbx | |
1761 | * writing this string and a new libcollector looking for | |
1762 | * the min_time field, the 'm' character can be | |
1763 | * removed and process_data_descriptor() simplified. | |
1764 | */ | |
1765 | hrtime_t min_time = hwctr[ii].min_time; | |
1766 | if (min_time == HWCTIME_TBD) | |
1767 | // user did not specify any value for overflow rate | |
1768 | min_time = hwctr[ii].min_time_default; | |
1769 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), | |
1770 | "%s%s:%s:%d:%d:m%lld:%d:%d:0x%x", ii ? "," : "", | |
1771 | strcmp (hwctr[ii].name, hwctr[ii].int_name) ? hwctr[ii].name : "", | |
1772 | hwctr[ii].int_name, hwctr[ii].reg_num, hwctr[ii].val, | |
1773 | min_time, ii, /*tag*/ hwctr[ii].timecvt, hwctr[ii].memop); | |
1774 | } | |
1775 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), ";"); | |
1776 | } | |
1777 | if ((time_run != 0) || (start_delay != 0)) | |
1778 | { | |
1779 | if (start_delay != 0) | |
1780 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "t:%d:%d;", start_delay, time_run); | |
1781 | else | |
1782 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "t:%d;", time_run); | |
1783 | } | |
1784 | if (sample_period != 0) | |
1785 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "S:%d;", | |
1786 | sample_period); | |
1787 | if (size_limit != 0) | |
1788 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "L:%d;", | |
1789 | size_limit); | |
1790 | if (java_mode != 0) | |
1791 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "j:%d;", (int) java_mode); | |
1792 | if (follow_mode != FOLLOW_NONE) | |
1793 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "F:%d;", (int) follow_mode); | |
1794 | snprintf (spec + strlen (spec), sizeof (spec) - strlen (spec), "a:%s;", archive_mode); | |
1795 | if (strlen (spec) + 1 >= sizeof (spec)) | |
1796 | abort (); | |
1797 | free (data_desc); | |
1798 | data_desc = strdup (spec); | |
1799 | } | |
1800 | ||
1801 | char * | |
1802 | Coll_Ctrl::check_group () | |
1803 | { | |
1804 | char group_file[MAXPATHLEN]; | |
1805 | if (expt_group == NULL) | |
1806 | return NULL; | |
1807 | // Is the group an relative path, with a store directory set? | |
1808 | if ((expt_group[0] == '/') || ((udir_name == NULL) || (udir_name[0] == '0'))) | |
1809 | snprintf (group_file, sizeof (group_file), "%s", expt_group); | |
1810 | else // relative path, store directory; make group_file in that directory | |
1811 | snprintf (group_file, sizeof (group_file), "%s/%s", udir_name, expt_group); | |
1812 | // See if we can write the group file | |
1813 | int ret = access (group_file, W_OK); | |
1814 | if (ret != 0) | |
1815 | { | |
1816 | if (errno == ENOENT) | |
1817 | { | |
1818 | char *stmp = group_file; | |
1819 | char *dir = dirname (stmp); | |
1820 | ret = access (dir, W_OK); | |
1821 | if (ret != 0) // group file does not exist; | |
1822 | return dbe_sprintf (GTXT ("Directory (%s) for group file %s is not writeable: %s\n"), | |
1823 | dir, group_file, strerror (errno)); | |
1824 | } | |
1825 | else | |
1826 | return dbe_sprintf (GTXT ("Group file %s is not writeable: %s\n"), | |
1827 | group_file, strerror (errno)); | |
1828 | } | |
1829 | return NULL; | |
1830 | } | |
1831 | ||
1832 | char * | |
1833 | Coll_Ctrl::join_group () | |
1834 | { | |
1835 | int tries = 0; | |
1836 | int groupfd; | |
1837 | FILE *file; | |
1838 | char group_file[MAXPATHLEN]; | |
1839 | struct stat statbuf; | |
1840 | struct flock flockbuf; | |
1841 | flockbuf.l_type = F_WRLCK; | |
1842 | flockbuf.l_whence = SEEK_SET; | |
1843 | flockbuf.l_start = 0; | |
1844 | flockbuf.l_len = 0; | |
1845 | if (expt_group == NULL) | |
1846 | return NULL; | |
1847 | // Is the group an relative path, with a store directory set? | |
1848 | if (expt_group[0] == '/' || udir_name == NULL || udir_name[0] == '0') | |
1849 | snprintf (group_file, sizeof (group_file), "%s", expt_group); | |
1850 | else // relative path, store directory; make group_file in that directory | |
1851 | snprintf (group_file, sizeof (group_file), "%s/%s", udir_name, expt_group); | |
1852 | for (;;) | |
1853 | { | |
1854 | tries++; | |
1855 | // try to open the group file | |
1856 | while ((groupfd = open (group_file, O_RDWR)) >= 0) | |
1857 | { | |
1858 | if (uinterrupt == 1) | |
1859 | { | |
1860 | close (groupfd); | |
1861 | return strdup (GTXT ("user interrupt\n")); | |
1862 | } | |
1863 | // it's opened, now lock it | |
1864 | if (fcntl (groupfd, F_SETLK, &flockbuf) != -1) | |
1865 | { | |
1866 | // we got the lock; check the file size | |
1867 | if (fstat (groupfd, &statbuf) != 0) | |
1868 | { | |
1869 | // can't stat the file -- give up | |
1870 | close (groupfd); | |
1871 | return dbe_sprintf (GTXT ("Can't fstat group file %s\n"), group_file); | |
1872 | } | |
1873 | if (statbuf.st_size == 0) | |
1874 | { | |
1875 | // size is zero: we got the lock just as someone | |
1876 | // else created the group file | |
1877 | // close the file and release the lock; try again | |
1878 | close (groupfd); | |
1879 | continue; | |
1880 | } | |
1881 | else | |
1882 | { | |
1883 | // size is non-zero, add our record | |
1884 | file = fdopen (groupfd, "a"); | |
1885 | if (file == NULL) | |
1886 | { | |
1887 | close (groupfd); | |
1888 | return dbe_sprintf (GTXT ("Can't access group file %s\n"), group_file); | |
1889 | } | |
1890 | if (fprintf (file, "%s\n", store_ptr) <= 0) | |
1891 | { | |
1892 | fclose (file); | |
1893 | return dbe_sprintf (GTXT ("Can't update group file %s\n"), group_file); | |
1894 | } | |
1895 | // close the file, releasing our lock | |
1896 | fclose (file); | |
1897 | return NULL; | |
1898 | } | |
1899 | } | |
1900 | else | |
1901 | { | |
1902 | // can't get the lock, close the file and try again | |
1903 | close (groupfd); | |
1904 | if (uinterrupt == 1) | |
1905 | return strdup (GTXT ("user interrupt\n")); | |
1906 | if (tries == 11900) | |
1907 | return dbe_sprintf (GTXT ("Timed out: waiting for group file %s\n"), group_file); | |
1908 | #if 0 | |
1909 | if (tries % 500 == 0) | |
1910 | USR_WARN (GTXT ("Waiting for group file %s . . ."), group_file); | |
1911 | #endif | |
1912 | usleep (10000U); | |
1913 | continue; | |
1914 | } | |
1915 | } | |
1916 | // If the error was not that the file did not exist, report it | |
1917 | if (errno != ENOENT) | |
1918 | return dbe_sprintf (GTXT ("Can't open group file %s: %s\n"), | |
1919 | group_file, strerror (errno)); | |
1920 | // the file did not exist, try to create it | |
1921 | groupfd = open (group_file, O_CREAT | O_EXCL | O_RDWR, 0666); | |
1922 | if (groupfd < 0) | |
1923 | { | |
1924 | // we could not create the file | |
1925 | if (errno == EEXIST) | |
1926 | continue; | |
1927 | return dbe_sprintf (GTXT ("Can't create group file %s: %s\n"), | |
1928 | group_file, strerror (errno)); | |
1929 | } | |
1930 | // we created the group file, now lock it, waiting for the lock | |
1931 | while (fcntl (groupfd, F_SETLKW, &flockbuf) == -1) | |
1932 | { | |
1933 | // we created the file, but couldn't lock it | |
1934 | if (errno != EINTR) | |
1935 | return dbe_sprintf (GTXT ("Unable to lock group file %s\n"), group_file); | |
1936 | } | |
1937 | // we created and locked the file, write to it | |
1938 | file = fdopen (groupfd, "a"); | |
1939 | if (file == NULL) | |
1940 | { | |
1941 | close (groupfd); | |
1942 | return dbe_sprintf (GTXT ("Can't access group file %s\n"), group_file); | |
1943 | } | |
1944 | // write the header line | |
1945 | if (fprintf (file, "%s\n", SP_GROUP_HEADER) <= 0) | |
1946 | { | |
1947 | fclose (file); | |
1948 | return dbe_sprintf (GTXT ("Can't initialize group file %s\n"), group_file); | |
1949 | } | |
1950 | if (fprintf (file, "%s\n", store_ptr) <= 0) | |
1951 | { | |
1952 | fclose (file); | |
1953 | return dbe_sprintf (GTXT ("Can't update group file %s\n"), group_file); | |
1954 | } | |
1955 | // finally, close the file, releasing the lock | |
1956 | fclose (file); | |
1957 | return NULL; | |
1958 | } | |
1959 | // never reached | |
1960 | } | |
1961 | ||
1962 | char * | |
1963 | Coll_Ctrl::set_directory (char *dir, char **warn) | |
1964 | { | |
1965 | struct stat statbuf; | |
1966 | *warn = NULL; | |
1967 | if (opened == 1) | |
1968 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
1969 | if (stat (dir, &statbuf) != 0) | |
1970 | return dbe_sprintf (GTXT ("Can't set directory `%s': %s\n"), | |
1971 | dir, strerror (errno)); | |
1972 | if (!S_ISDIR (statbuf.st_mode)) | |
1973 | return dbe_sprintf (GTXT ("Can't set directory `%s': %s\n"), | |
1974 | dir, strerror (ENOTDIR)); | |
1975 | free (udir_name); | |
1976 | udir_name = strdup (dir); | |
1977 | ||
1978 | // Process new setting | |
1979 | *warn = preprocess_names (); | |
1980 | if ((uexpt_name != NULL) || (interactive != 0)) | |
1981 | { | |
1982 | char *ret = update_expt_name (true, true); | |
1983 | if (ret != NULL) | |
1984 | { | |
1985 | if (*warn != NULL) | |
1986 | { | |
1987 | char *msg = dbe_sprintf ("%s%s", *warn, ret); | |
1988 | free (*warn); | |
1989 | free (ret); | |
1990 | *warn = msg; | |
1991 | } | |
1992 | else | |
1993 | *warn = ret; | |
1994 | } | |
1995 | } | |
1996 | else | |
1997 | (void) update_expt_name (false, false); | |
1998 | return NULL; // All is OK | |
1999 | } | |
2000 | ||
2001 | int | |
2002 | Coll_Ctrl::set_target (char* targetname) | |
2003 | { | |
2004 | free (target_name); | |
2005 | target_name = NULL; | |
2006 | if (targetname != NULL) | |
2007 | target_name = strdup (targetname); | |
2008 | return 0; | |
2009 | } | |
2010 | ||
2011 | void | |
2012 | Coll_Ctrl::set_default_stem (const char* stem) | |
2013 | { | |
2014 | default_stem = strdup (stem); | |
2015 | preprocess_names (); | |
2016 | (void) update_expt_name (false, false); // no warnings | |
2017 | } | |
2018 | ||
2019 | char * | |
2020 | Coll_Ctrl::set_expt (const char *ename, char **warn, bool overwriteExp) | |
2021 | { | |
2022 | *warn = NULL; | |
2023 | if (ename == NULL) | |
2024 | { | |
2025 | free (uexpt_name); | |
2026 | uexpt_name = NULL; | |
2027 | return NULL; | |
2028 | } | |
2029 | char *exptname = canonical_path(strdup(ename)); | |
2030 | size_t i = strlen (exptname); | |
2031 | if (i < 4 || strcmp (&exptname[i - 3], ".er") != 0) | |
2032 | { | |
2033 | free (exptname); | |
2034 | return dbe_sprintf (GTXT ("Experiment name `%s' must end in `.er'\n"), | |
2035 | ename); | |
2036 | } | |
2037 | // Name is OK | |
2038 | free (uexpt_name); | |
2039 | uexpt_name = exptname; | |
2040 | preprocess_names (); | |
2041 | char *err = update_expt_name (true, true, overwriteExp); | |
2042 | if (err != NULL) | |
2043 | return err; | |
2044 | if (overwriteExp) | |
2045 | { | |
2046 | char *nm = dbe_sprintf ("%s/%s", store_dir, base_name); | |
2047 | struct stat statbuf; | |
2048 | char *cmd = dbe_sprintf ("/bin/rm -rf %s >/dev/null 2>&1", nm); | |
2049 | system (cmd); | |
2050 | free (cmd); | |
2051 | if (stat (nm, &statbuf) == 0) | |
2052 | return dbe_sprintf (GTXT ("Cannot remove experiment `%s'\n"), nm); | |
2053 | if (errno != ENOENT) | |
2054 | return dbe_sprintf (GTXT ("Cannot remove experiment `%s'\n"), nm); | |
2055 | free (nm); | |
2056 | } | |
2057 | *warn = update_expt_name (true, false); | |
2058 | return NULL; | |
2059 | } | |
2060 | ||
2061 | char * | |
2062 | Coll_Ctrl::set_group (char *groupname) | |
2063 | { | |
2064 | if (opened == 1) | |
2065 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2066 | if (expt_group != NULL) | |
2067 | { | |
2068 | free (expt_group); | |
2069 | expt_group = NULL; | |
2070 | } | |
2071 | if (groupname == NULL) | |
2072 | { | |
2073 | // reset the name | |
2074 | preprocess_names (); | |
2075 | (void) update_expt_name (true, false); | |
2076 | return NULL; | |
2077 | } | |
2078 | int i = (int) strlen (groupname); | |
2079 | if (i < 5 || strcmp (&groupname[i - 4], ".erg") != 0) | |
2080 | return dbe_sprintf (GTXT ("Experiment group name `%s'must end in `.erg'\n"), groupname); | |
2081 | expt_group = strdup (groupname); | |
2082 | preprocess_names (); | |
2083 | (void) update_expt_name (true, false); | |
2084 | return NULL; | |
2085 | } | |
2086 | ||
2087 | char * | |
2088 | Coll_Ctrl::set_java_mode (const char *string) | |
2089 | { | |
2090 | struct stat statbuf; | |
2091 | if (opened == 1) | |
2092 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2093 | if (string == NULL || strlen (string) == 0 || strcmp (string, "on") == 0) | |
2094 | { | |
2095 | #if defined(GPROFNG_JAVA_PROFILING) | |
2096 | int prev_java_mode = java_mode; | |
2097 | int prev_java_default = java_default; | |
2098 | java_mode = 1; | |
2099 | java_default = 0; | |
2100 | char *ret = check_consistency (); | |
2101 | if (ret != NULL) | |
2102 | { | |
2103 | java_mode = prev_java_mode; | |
2104 | java_default = prev_java_default; | |
2105 | return ret; | |
2106 | } | |
2107 | return NULL; | |
2108 | #else | |
2109 | return strdup (GTXT ("gprofng was built without support for profiling Java applications\n")); | |
2110 | #endif | |
2111 | } | |
2112 | if (strcmp (string, "off") == 0) | |
2113 | { | |
2114 | int prev_java_mode = java_mode; | |
2115 | int prev_java_default = java_default; | |
2116 | java_mode = 0; | |
2117 | java_default = 0; | |
2118 | char *ret = check_consistency (); | |
2119 | if (ret != NULL) | |
2120 | { | |
2121 | java_mode = prev_java_mode; | |
2122 | java_default = prev_java_default; | |
2123 | return ret; | |
2124 | } | |
2125 | free (java_path); | |
2126 | java_path = NULL; | |
2127 | return NULL; | |
2128 | } | |
2129 | /* any other value should be a path to Java installation directory */ | |
2130 | if (stat (string, &statbuf) == 0) | |
2131 | { | |
2132 | if ((statbuf.st_mode & S_IFMT) == S_IFDIR) | |
2133 | { | |
2134 | // it's a directory -- set the Java path to it | |
2135 | int prev_java_mode = java_mode; | |
2136 | int prev_java_default = java_default; | |
2137 | java_mode = 1; | |
2138 | java_default = 0; | |
2139 | char *ret = check_consistency (); | |
2140 | if (ret != NULL) | |
2141 | { | |
2142 | java_mode = prev_java_mode; | |
2143 | java_default = prev_java_default; | |
2144 | return ret; | |
2145 | } | |
2146 | return set_java_path (string); | |
2147 | } | |
2148 | } | |
2149 | return dbe_sprintf (GTXT ("Java-profiling parameter is neither \"on\", nor \"off\", nor is it a directory: `%s'\n"), string); | |
2150 | } | |
2151 | ||
2152 | char * | |
2153 | Coll_Ctrl::set_java_path (const char *string) | |
2154 | { | |
2155 | if (opened == 1) | |
2156 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2157 | free (java_path); | |
2158 | java_path = strdup (string); | |
2159 | return NULL; | |
2160 | } | |
2161 | ||
2162 | char * | |
2163 | Coll_Ctrl::set_java_args (char *string) | |
2164 | { | |
2165 | char *next; | |
2166 | if (opened == 1) | |
2167 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2168 | char *prev_java_args = java_args; | |
2169 | if (string == NULL || strlen (string) == 0) | |
2170 | java_args = strdup (""); | |
2171 | else | |
2172 | java_args = strdup (string); | |
2173 | // now count the number of Java arguments | |
2174 | for (next = java_args; *next; next++) | |
2175 | { | |
2176 | if (*next == ' ' || *next == '\t') | |
2177 | continue; | |
2178 | njava_args++; | |
2179 | for (++next; *next; next++) | |
2180 | if (*next == ' ' || *next == '\t') | |
2181 | break; | |
2182 | if (!*next) | |
2183 | break; | |
2184 | } | |
2185 | if (njava_args == 0) | |
2186 | java_args = NULL; | |
2187 | char *ret = check_consistency (); | |
2188 | if (ret != NULL) | |
2189 | { | |
2190 | java_args = prev_java_args; | |
2191 | return ret; | |
2192 | } | |
2193 | free (prev_java_args); | |
2194 | return NULL; | |
2195 | } | |
2196 | ||
2197 | char * | |
2198 | Coll_Ctrl::set_follow_mode (const char *string) | |
2199 | { | |
2200 | if (opened == 1) | |
2201 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2202 | free (follow_spec_usr); | |
2203 | free (follow_spec_cmp); | |
2204 | follow_spec_usr = NULL; | |
2205 | follow_spec_cmp = NULL; | |
2206 | if (string == NULL || strlen (string) == 0 || strcmp (string, "all") == 0 | |
2207 | || strcmp (string, "on") == 0) | |
2208 | { | |
2209 | follow_mode = FOLLOW_ON; | |
2210 | follow_default = 0; | |
2211 | return NULL; | |
2212 | } | |
2213 | if (strcmp (string, "off") == 0) | |
2214 | { | |
2215 | follow_mode = FOLLOW_NONE; | |
2216 | follow_default = 0; | |
2217 | return NULL; | |
2218 | } | |
2219 | ||
2220 | /* compile regular expression if string starts with "=" */ | |
2221 | if (string[0] == '=' && string[1] != 0) | |
2222 | { | |
2223 | // user has specified a string matching specification | |
2224 | regex_t regex_desc; | |
2225 | int ercode; | |
2226 | const char *userspec = &string[1]; | |
2227 | size_t newstrlen = strlen (userspec) + 3; | |
2228 | char * str = (char *) malloc (newstrlen); | |
2229 | if (str) | |
2230 | { | |
2231 | snprintf (str, newstrlen, "^%s$", userspec); | |
2232 | assert (strlen (str) == newstrlen - 1); | |
2233 | ercode = regcomp (®ex_desc, str, REG_EXTENDED | REG_NOSUB | REG_NEWLINE); | |
2234 | } | |
2235 | else | |
2236 | ercode = 1; | |
2237 | if (!ercode) | |
2238 | { | |
2239 | follow_spec_usr = strdup (string); | |
2240 | /* Ideally, follow_spec_cmp = [serialized regex_desc], */ | |
2241 | /* so that libcollector wouldn't have to recompile it. */ | |
2242 | /* For now, just copy the regular expression into follow_spec_cmp */ | |
2243 | follow_spec_cmp = str; | |
2244 | follow_mode = FOLLOW_ALL; | |
2245 | follow_default = 0; | |
2246 | return NULL; | |
2247 | } | |
2248 | // syntax error in parsing string | |
2249 | #if 0 | |
2250 | char errbuf[256]; | |
2251 | regerror (ercode, ®ex_desc, errbuf, sizeof (errbuf)); | |
2252 | fprintf (stderr, "Coll_Ctrl::set_follow_mode: regerror()=%s\n", errbuf); | |
2253 | #endif | |
2254 | free (str); | |
2255 | } | |
2256 | return dbe_sprintf (GTXT ("Unrecognized follow-mode parameter `%s'\n"), string); | |
2257 | } | |
2258 | ||
2259 | char * | |
2260 | Coll_Ctrl::set_prof_idle (const char *string) | |
2261 | { | |
2262 | if (opened == 1) | |
2263 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2264 | if (string == NULL || strlen (string) == 0 || strcmp (string, "on") == 0) | |
2265 | { | |
2266 | prof_idle = 1; | |
2267 | return NULL; | |
2268 | } | |
2269 | if (strcmp (string, "off") == 0) | |
2270 | { | |
2271 | prof_idle = 0; | |
2272 | return NULL; | |
2273 | } | |
2274 | return dbe_sprintf (GTXT ("Unrecognized profiling idle cpus parameter `%s'\n"), string); | |
2275 | } | |
2276 | ||
2277 | char * | |
2278 | Coll_Ctrl::set_archive_mode (const char *string) | |
2279 | { | |
2280 | if (opened == 1) | |
2281 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2282 | if (string == NULL || strlen (string) == 0) | |
2283 | string = "on"; | |
2284 | if (strcasecmp (string, "on") == 0 || strcasecmp (string, "off") == 0 | |
2285 | || strcasecmp (string, "ldobjects") == 0 | |
2286 | || strcasecmp (string, "usedldobjects") == 0 | |
2287 | || strcasecmp (string, "src") == 0 || strcasecmp (string, "usedsrc") == 0 | |
2288 | || strcasecmp (string, "all") == 0) | |
2289 | { | |
2290 | free (archive_mode); | |
2291 | archive_mode = strdup (string); | |
2292 | return NULL; | |
2293 | } | |
2294 | return dbe_sprintf (GTXT ("Unrecognized archive-mode parameter `%s'\n"), string); | |
2295 | } | |
2296 | ||
2297 | char * | |
2298 | Coll_Ctrl::set_sample_signal (int value) | |
2299 | { | |
2300 | const char *buf; | |
2301 | if (opened == 1) | |
2302 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2303 | if (value == 0) | |
2304 | { | |
2305 | sample_sig = 0; | |
2306 | return NULL; | |
2307 | } | |
2308 | if (value == pauseresume_sig) | |
2309 | return report_signal_conflict (value); | |
2310 | if ((buf = strsignal (value)) != NULL) | |
2311 | sample_sig = value; | |
2312 | else | |
2313 | return dbe_sprintf (GTXT ("Invalid sample signal %d\n"), value); | |
2314 | return NULL; | |
2315 | } | |
2316 | ||
2317 | /* find a signal by name */ | |
2318 | int | |
2319 | Coll_Ctrl::find_sig (const char *string) | |
2320 | { | |
2321 | int val; | |
2322 | char *signame_alloc = NULL; | |
2323 | const char *signame; | |
2324 | val = -1; | |
2325 | if (strcmp (string, "off") == 0) | |
2326 | return 0; | |
2327 | // see if the name begins with SIG | |
2328 | if (strncmp (string, "SIG", 3) != 0) | |
2329 | { | |
2330 | // no: add it | |
2331 | signame_alloc = (char *) malloc (strlen (string) + 3 + 1); | |
2332 | if (signame_alloc == NULL) | |
2333 | return -1; | |
2334 | strcpy (signame_alloc, "SIG"); | |
2335 | strcpy (&signame_alloc[3], string); | |
2336 | signame = signame_alloc; | |
2337 | } | |
2338 | else | |
2339 | signame = string; | |
2340 | ||
2341 | /* see if the string is a number */ | |
2342 | char *endchar = NULL; | |
2343 | val = (int) strtol (signame, &endchar, 0); | |
2344 | if (*endchar != 0) | |
2345 | val = strtosigno (signame); | |
2346 | free (signame_alloc); | |
2347 | if (val == SIGKILL) | |
2348 | return -1; | |
2349 | return val; | |
2350 | } | |
2351 | ||
2352 | char * | |
2353 | Coll_Ctrl::set_pauseresume_signal (int value, int resume) | |
2354 | { | |
2355 | if (opened == 1) | |
2356 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2357 | if (value == 0) | |
2358 | { | |
2359 | pauseresume_sig = 0; | |
2360 | return NULL; | |
2361 | } | |
2362 | if (value == sample_sig) | |
2363 | return report_signal_conflict (value); | |
2364 | if (strsignal (value) != NULL) | |
2365 | { | |
2366 | pauseresume_sig = value; | |
2367 | pauseresume_pause = resume; | |
2368 | } | |
2369 | else | |
2370 | return dbe_sprintf (GTXT ("Invalid pause-resume (delayed initialization) signal %d\n"), value); | |
2371 | return NULL; | |
2372 | } | |
2373 | ||
2374 | char * | |
2375 | Coll_Ctrl::report_signal_conflict (int value) | |
2376 | { | |
2377 | const char *xbuf = strsignal (value); | |
2378 | if (xbuf != NULL) | |
2379 | return dbe_sprintf (GTXT ("Signal %s (%d) can not be used for both sample and pause-resume (delayed initialization)\n"), | |
2380 | xbuf, value); | |
2381 | return dbe_sprintf (GTXT ("Signal %d can not be used for both sample and pause-resume (delayed initialization)\n"), | |
2382 | value); | |
2383 | } | |
2384 | ||
2385 | char * | |
2386 | Coll_Ctrl::set_debug_mode (int value) | |
2387 | { | |
2388 | if (opened == 1) | |
2389 | return strdup (GTXT ("Experiment is active; command ignored.\n")); | |
2390 | debug_mode = value; | |
2391 | return NULL; | |
2392 | } | |
2393 | ||
2394 | char * | |
2395 | Coll_Ctrl::create_exp_dir () | |
2396 | { | |
2397 | int max = 4095; // 0xFFF - can be increased if it seems too low | |
2398 | for (int i = 0; i < max; i++) | |
2399 | { | |
2400 | if (mkdir (store_ptr, | |
2401 | S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) != 0) | |
2402 | { | |
2403 | int err = errno; | |
2404 | if (err == EACCES) | |
2405 | return dbe_sprintf (GTXT ("Store directory %s is not writeable: %s\n"), | |
2406 | store_dir, strerror (err)); | |
2407 | if (i + 1 >= max) // no more attempts | |
2408 | return dbe_sprintf (GTXT ("Unable to create directory `%s' -- %s\n%s: %d\n"), | |
2409 | store_ptr, strerror (err), | |
2410 | GTXT ("collect: Internal error: loop count achieved"), | |
2411 | max); | |
2412 | char *ermsg = update_expt_name (false, false, true); | |
2413 | if (ermsg != NULL) | |
2414 | { | |
2415 | char *msg = dbe_sprintf (GTXT ("Unable to create directory `%s' -- %s\n"), | |
2416 | store_ptr, ermsg); | |
2417 | free (ermsg); | |
2418 | return msg; | |
2419 | } | |
2420 | continue; | |
2421 | } | |
2422 | return NULL; // All is OK | |
2423 | } | |
2424 | return dbe_sprintf (GTXT ("Unable to create directory `%s'\n"), store_ptr); | |
2425 | } | |
2426 | ||
2427 | char * | |
2428 | Coll_Ctrl::get_exp_name (const char *stembase) | |
2429 | { | |
2430 | expno = 1; | |
2431 | return dbe_sprintf ("%s.%d.er", stembase, expno); | |
2432 | } | |
2433 | ||
2434 | char * | |
2435 | Coll_Ctrl::preprocess_names () | |
2436 | { | |
2437 | char buf[MAXPATHLEN]; | |
2438 | char msgbuf[MAXPATHLEN]; | |
2439 | char *ret = NULL; | |
2440 | ||
2441 | /* convert the experiment name and directory into store name/dir */ | |
2442 | /* free the old strings */ | |
2443 | if (store_dir != NULL) | |
2444 | { | |
2445 | free (store_dir); | |
2446 | store_dir = NULL; | |
2447 | } | |
2448 | if (expt_dir != NULL) | |
2449 | { | |
2450 | free (expt_dir); | |
2451 | expt_dir = NULL; | |
2452 | } | |
2453 | if (base_name != NULL) | |
2454 | { | |
2455 | free (base_name); | |
2456 | base_name = NULL; | |
2457 | } | |
2458 | if (expt_name != NULL) | |
2459 | { | |
2460 | free (expt_name); | |
2461 | expt_name = NULL; | |
2462 | } | |
2463 | expno = 1; | |
2464 | if (uexpt_name != NULL) | |
2465 | expt_name = strdup (uexpt_name); | |
2466 | else | |
2467 | { | |
2468 | // no user name -- pick a default | |
2469 | char *c; | |
2470 | char *stem; | |
2471 | char *stembase; | |
2472 | if (expt_group == NULL) | |
2473 | { | |
2474 | stem = strdup (default_stem); | |
2475 | stembase = stem; | |
2476 | } | |
2477 | else | |
2478 | { | |
2479 | stem = strdup (expt_group); | |
2480 | stem[strlen (stem) - 4] = 0; | |
2481 | stembase = stem; | |
2482 | // now remove any leading directory | |
2483 | for (int i = 0;; i++) | |
2484 | { | |
2485 | if (stem[i] == 0) | |
2486 | break; | |
2487 | if (stem[i] == '/') | |
2488 | stembase = &stem[i + 1]; | |
2489 | } | |
2490 | if (strlen (stembase) == 0) | |
2491 | { | |
2492 | free (stem); | |
2493 | stem = strdup (default_stem); | |
2494 | stembase = stem; | |
2495 | } | |
2496 | } | |
2497 | c = get_exp_name (stembase); | |
2498 | expt_name = c; | |
2499 | free (stem); | |
2500 | } | |
2501 | snprintf (buf, sizeof (buf), NTXT ("%s"), expt_name); | |
2502 | if (buf[0] == '/') | |
2503 | { | |
2504 | // it's a full path name | |
2505 | if (udir_name != NULL) | |
2506 | { | |
2507 | snprintf (msgbuf, sizeof (msgbuf), | |
2508 | GTXT ("Warning: Experiment name is an absolute path; directory name %s ignored.\n"), | |
2509 | udir_name); | |
2510 | ret = strdup (msgbuf); | |
2511 | } | |
2512 | } | |
2513 | ||
2514 | // now extract the directory and basename | |
2515 | int lastslash = 0; | |
2516 | for (int i = 0;; i++) | |
2517 | { | |
2518 | if (buf[i] == 0) | |
2519 | break; | |
2520 | if (buf[i] == '/') | |
2521 | lastslash = i; | |
2522 | } | |
2523 | expt_dir = strdup (buf); | |
2524 | if (lastslash != 0) | |
2525 | base_name = strdup (&buf[lastslash + 1]); | |
2526 | else | |
2527 | base_name = strdup (buf); | |
2528 | expt_dir[lastslash] = 0; | |
2529 | if (expt_dir[0] == '/') | |
2530 | store_dir = strdup (expt_dir); | |
2531 | else if ((udir_name == NULL) || (udir_name[0] == 0)) | |
2532 | { | |
2533 | if (expt_dir[0] == 0) | |
2534 | store_dir = strdup ("."); | |
2535 | else | |
2536 | store_dir = strdup (expt_dir); | |
2537 | } | |
2538 | else | |
2539 | { | |
2540 | /* udir_name is a non-empty string */ | |
2541 | if (expt_dir[0] == 0) | |
2542 | store_dir = strdup (udir_name); | |
2543 | else | |
2544 | { | |
2545 | snprintf (buf, sizeof (buf), "%s/%s", udir_name, expt_dir); | |
2546 | store_dir = strdup (buf); | |
2547 | } | |
2548 | } | |
2549 | free (store_ptr); | |
2550 | if (strcmp (store_dir, ".") == 0) | |
2551 | store_ptr = strdup (base_name); | |
2552 | else | |
2553 | { | |
2554 | snprintf (buf, sizeof (buf), "%s/%s", store_dir, base_name); | |
2555 | store_ptr = strdup (buf); | |
2556 | } | |
2557 | ||
2558 | // determine the file system type | |
2559 | if (strcmp (store_dir, prev_store_dir) != 0) | |
2560 | { | |
2561 | free (prev_store_dir); | |
2562 | prev_store_dir = strdup (store_dir); | |
2563 | const char *fstype = get_fstype (store_dir); | |
2564 | if (interactive && enabled && (fstype != NULL) && (nofswarn == 0)) | |
2565 | { | |
2566 | snprintf (msgbuf, sizeof (msgbuf), | |
2567 | GTXT ("%sExperiment directory is set to a file system of type \"%s\",\n which may distort the measured performance;\n it is preferable to record to a local disk.\n"), | |
2568 | (ret == NULL ? "" : ret), fstype); | |
2569 | free (ret); | |
2570 | ret = strdup (msgbuf); | |
2571 | } | |
2572 | } | |
2573 | return ret; | |
2574 | } | |
2575 | ||
2576 | char * | |
2577 | Coll_Ctrl::update_expt_name (bool chgmsg, bool chkonly, bool newname) | |
2578 | { | |
2579 | char *ret = NULL; | |
2580 | struct stat statbuf; | |
2581 | // make sure the name ends in .er | |
2582 | // set count to the length of the name | |
2583 | int count = (int) strlen (base_name); | |
2584 | ||
2585 | // this should have been checked already, so we can abort | |
2586 | if (count < 4 || strcmp (&base_name[count - 3], ".er") != 0) | |
2587 | abort (); | |
2588 | int pcount = count - 4; | |
2589 | if (!newname) | |
2590 | { // check if old name can be used | |
2591 | char fullname[MAXPATHLEN]; | |
2592 | snprintf (fullname, sizeof (fullname), "%s/%s", store_dir, base_name); | |
2593 | if (stat (fullname, &statbuf) != 0) | |
2594 | if (errno == ENOENT) // name does not exist, we can use it | |
2595 | return NULL; | |
2596 | } | |
2597 | else if (chkonly) | |
2598 | return NULL; | |
2599 | ||
2600 | // current name will not work, update the name | |
2601 | DIR *dir; | |
2602 | struct dirent *dir_entry; | |
2603 | ||
2604 | // see if there's a numeric field in front of the .er of the name | |
2605 | int digits = 0; | |
2606 | while (isdigit ((int) (base_name[pcount])) != 0) | |
2607 | { | |
2608 | pcount--; | |
2609 | if (pcount == 0) // name is of the form 12345.er; don't update it | |
2610 | return dbe_sprintf (GTXT ("name %s is in use and cannot be updated\n"), | |
2611 | base_name); | |
2612 | digits++; | |
2613 | } | |
2614 | if (digits == 0) // name is of form xyz.er (or xyz..er); don't update it | |
2615 | return dbe_sprintf (GTXT ("name %s is in use and cannot be updated\n"), | |
2616 | base_name); | |
2617 | if (base_name[pcount] != '.') // name is of form xyz123.er; don't update it | |
2618 | return dbe_sprintf (GTXT ("name %s is in use and cannot be updated\n"), | |
2619 | base_name); | |
2620 | if (chkonly) | |
2621 | return NULL; | |
2622 | ||
2623 | // save the name for a changed message | |
2624 | char *oldbase = strdup (base_name); | |
2625 | ||
2626 | // the name is of the from prefix.nnn.er; extract the value of nnn | |
2627 | int version = atoi (&base_name[pcount + 1]); | |
2628 | if (newname) // do not try to use old name | |
2629 | version++; | |
2630 | int max_version = version - 1; | |
2631 | ||
2632 | // terminate the base_name string after that . yielding "prefix." | |
2633 | base_name[pcount + 1] = 0; | |
2634 | if ((dir = opendir (store_dir)) == NULL) | |
2635 | { | |
2636 | // ignore error -- we'll hit it again later | |
2637 | free (oldbase); | |
2638 | return NULL; | |
2639 | } | |
2640 | ||
2641 | // find the maximum version in the directory | |
2642 | // count is the number of characters before the number | |
2643 | // | |
2644 | while ((dir_entry = readdir (dir)) != NULL) | |
2645 | { | |
2646 | count = (int) strlen (dir_entry->d_name); | |
2647 | if ((count < 4) || (strcmp (&dir_entry->d_name[count - 3], ".er") != 0)) | |
2648 | continue; | |
2649 | // check that the name is of the form prefix.nnn.er; if not, skip it | |
2650 | if (strncmp (base_name, dir_entry->d_name, pcount + 1) == 0) | |
2651 | { | |
2652 | // the "prefix." part matches, terminate the entry name before the .er | |
2653 | dir_entry->d_name[count - 3] = 0; | |
2654 | char *lastchar; | |
2655 | int dversion = (int) strtol (&dir_entry->d_name[pcount + 1], &lastchar, 10); | |
2656 | ||
2657 | // if it did not end where the .er was, skip it | |
2658 | if (*lastchar != 0) | |
2659 | continue; | |
2660 | if (dversion > max_version) | |
2661 | max_version = dversion; | |
2662 | } | |
2663 | } | |
2664 | ||
2665 | // we now have the maximum version determined | |
2666 | char newbase[MAXPATHLEN]; | |
2667 | base_name[pcount + 1] = 0; | |
2668 | version = max_version + 1; | |
2669 | snprintf (newbase, sizeof (newbase), "%s%d.er", base_name, version); | |
2670 | if ((strcmp (oldbase, newbase) != 0) && chgmsg) | |
2671 | { | |
2672 | ret = dbe_sprintf (GTXT ("name %s is in use; changed to %s\n"), | |
2673 | oldbase, newbase); | |
2674 | free (oldbase); | |
2675 | } | |
2676 | else | |
2677 | free (oldbase); | |
2678 | free (base_name); | |
2679 | base_name = strdup (newbase); | |
2680 | ||
2681 | // now, reset expt_name to reflect new setting | |
2682 | free (expt_name); | |
2683 | if (expt_dir[0] == 0) | |
2684 | expt_name = strdup (base_name); | |
2685 | else | |
2686 | expt_name = dbe_sprintf ("%s/%s", expt_dir, base_name); | |
2687 | free (store_ptr); | |
2688 | if (strcmp (store_dir, ".") == 0) | |
2689 | store_ptr = strdup (base_name); | |
2690 | else | |
2691 | store_ptr = dbe_sprintf ("%s/%s", store_dir, base_name); | |
2692 | closedir (dir); | |
2693 | return ret; | |
2694 | } | |
2695 | ||
2696 | void | |
2697 | Coll_Ctrl::remove_exp_dir () | |
2698 | { | |
2699 | if (store_ptr == NULL) | |
2700 | return; | |
2701 | rmdir (store_ptr); | |
2702 | free (store_ptr); | |
2703 | store_ptr = NULL; | |
2704 | return; | |
2705 | } | |
2706 | ||
2707 | void | |
2708 | Coll_Ctrl::determine_profile_params () | |
2709 | { | |
2710 | struct itimerval itimer; | |
2711 | struct itimerval otimer; | |
2712 | int period; | |
2713 | long nperiod; | |
2714 | struct sigaction act; | |
2715 | struct sigaction old_handler; | |
2716 | memset (&act, 0, sizeof (struct sigaction)); | |
2717 | period = 997; | |
2718 | ||
2719 | // set SIGPROF handler to SIG_IGN | |
2720 | sigemptyset (&act.sa_mask); | |
2721 | act.sa_handler = SIG_IGN; | |
2722 | act.sa_flags = SA_RESTART | SA_SIGINFO; | |
2723 | if (sigaction (SIGPROF, &act, &old_handler) == -1) | |
2724 | { | |
2725 | /* couldn't set signal */ | |
2726 | fprintf (stderr, GTXT ("Can't set SIGPROF: %s\n"), strerror (errno)); | |
2727 | exit (1); | |
2728 | } | |
2729 | ||
2730 | // set the timer to arbitrary resolution | |
2731 | itimer.it_interval.tv_sec = period / MICROSEC; | |
2732 | itimer.it_interval.tv_usec = period % MICROSEC; | |
2733 | itimer.it_value = itimer.it_interval; | |
2734 | setitimer (ITIMER_REALPROF, &itimer, &otimer); | |
2735 | ||
2736 | // now reset the timer to turn it off | |
2737 | itimer.it_value.tv_sec = 0; | |
2738 | itimer.it_value.tv_usec = 0; | |
2739 | if (setitimer (ITIMER_REALPROF, &itimer, &otimer) == -1) // call failed | |
2740 | nperiod = -1; | |
2741 | else | |
2742 | nperiod = otimer.it_interval.tv_sec * MICROSEC + otimer.it_interval.tv_usec; | |
2743 | ||
2744 | // check the returned value: is the what we asked for? | |
2745 | if (period == nperiod) // arbitrary precision is OK | |
2746 | set_clk_params (PROFINT_MIN, 1, PROFINT_MAX, PROFINT_HIGH, PROFINT_NORM, PROFINT_LOW); | |
2747 | else if (nperiod < 10000) // hi resolution allowed, but not arbitrary precision | |
2748 | set_clk_params ((int) nperiod, 1000, PROFINT_MAX, 1000, 10000, 100000); | |
2749 | else // low resolution only allowed | |
2750 | set_clk_params (10000, 10000, PROFINT_MAX, 1000, 10000, 100000); | |
2751 | ||
2752 | // If old handler was default, ignore it; otherwise restore it | |
2753 | if (old_handler.sa_handler != SIG_DFL) | |
2754 | { | |
2755 | act.sa_handler = old_handler.sa_handler; | |
2756 | if (sigaction (SIGPROF, &act, &old_handler) == -1) | |
2757 | { | |
2758 | /* couldn't reset signal */ | |
2759 | fprintf (stderr, GTXT ("Can't reset SIGPROF: %s\n"), strerror (errno)); | |
2760 | exit (1); | |
2761 | } | |
2762 | } | |
2763 | } | |
2764 | ||
2765 | const char * | |
2766 | get_fstype (char *) | |
2767 | { | |
2768 | /* On Linux, statvfs() doesn't return any information that seems to indicate | |
2769 | the filetype. The structure statvfs does not have any field/flag that | |
2770 | gives this information. Comparing the fields from | |
2771 | /usr/include/bits/statvfs.h: | |
2772 | unsigned long int f_fsid; | |
2773 | int __f_unused; | |
2774 | ^^^^ On Solaris, this is where f_basetype is | |
2775 | unsigned long int f_flag; | |
2776 | unsigned long int f_namemax; | |
2777 | XXX Need to revisit this XXX | |
2778 | */ | |
2779 | return NULL; // no NFS warning on Linux for now | |
2780 | } | |
2781 | ||
2782 | //========== Special functions to communicate with the Collector GUI ==========// | |
2783 | ||
2784 | /* Interface strings GUI <-> CLI */ | |
2785 | const char *ipc_str_exp_limit = "exp_limit"; | |
2786 | const char *ipc_str_time_limit = "time_limit"; | |
2787 | const char *ipc_str_arch_exp = "arch_exp"; | |
2788 | const char *ipc_str_descendant = "descendant"; | |
2789 | const char *ipc_str_clkprof = "clkprof"; | |
2790 | const char *ipc_str_hwcprof = "hwcprof"; | |
2791 | const char *ipc_str_hwc2_prof = "hwc2_prof"; | |
2792 | const char *ipc_str_javaprof = "javaprof"; | |
2793 | const char *ipc_str_sample = "sample"; | |
2794 | const char *ipc_str_sample_sig = "sample_sig"; | |
2795 | const char *ipc_str_pause_resume_sig = "pause_resume_sig"; | |
2796 | const char *ipc_str_synctrace = "synctrace"; | |
2797 | const char *ipc_str_heaptrace = "heaptrace"; | |
2798 | const char *ipc_str_iotrace = "iotrace"; | |
2799 | const char *ipc_str_count = "count"; | |
2800 | const char *ipc_str_prof_idle = "prof_idle"; // -x option | |
2801 | // Standard answers | |
2802 | const char *ipc_str_empty = ""; | |
2803 | const char *ipc_str_on = "on"; | |
2804 | const char *ipc_str_off = "off"; | |
2805 | const char *ipc_str_src = "src"; | |
2806 | const char *ipc_str_usedsrc = "usedsrc"; | |
2807 | const char *ipc_str_usedldobjects = "usedldobjects"; | |
2808 | const char *ipc_str_unlimited = "unlimited"; | |
2809 | const char *ipc_str_unknown_control = "Unknown control"; | |
2810 | const char *ipc_str_internal_error = "Internal error"; | |
2811 | ||
2812 | /** | |
2813 | * Finds signal name | |
2814 | * @param signal | |
2815 | * @return NULL or signal name (pointer to allocated memory) | |
2816 | */ | |
2817 | char * | |
2818 | Coll_Ctrl::find_signal_name (int signal) | |
2819 | { | |
2820 | char *str_signal = NULL; | |
2821 | const char *buf = strsignal (signal); | |
2822 | if (buf != NULL) | |
2823 | str_signal = strdup (buf); | |
2824 | return str_signal; | |
2825 | } | |
2826 | ||
2827 | /** | |
2828 | * Gets control's value | |
2829 | * @param control | |
2830 | * @return value | |
2831 | */ | |
2832 | char * | |
2833 | Coll_Ctrl::get (char * control) | |
2834 | { | |
2835 | int len = strlen (control); | |
2836 | if (!strncmp (control, ipc_str_exp_limit, len)) | |
2837 | { | |
2838 | if ((size_limit > 0)) | |
2839 | return dbe_sprintf ("%d", size_limit); | |
2840 | return strdup (ipc_str_unlimited); | |
2841 | } | |
2842 | if (!strncmp (control, ipc_str_time_limit, len)) | |
2843 | { | |
2844 | if ((time_run != 0) || (start_delay != 0)) | |
2845 | { | |
2846 | if (start_delay != 0) | |
2847 | { | |
2848 | if (time_run != 0) | |
2849 | return dbe_sprintf ("%ds-%ds", start_delay, start_delay + time_run); | |
2850 | return dbe_sprintf ("%ds-0s", start_delay); | |
2851 | } | |
2852 | return dbe_sprintf ("0s-%ds", time_run); | |
2853 | } | |
2854 | return strdup (ipc_str_unlimited); | |
2855 | } | |
2856 | if (strncmp (control, ipc_str_arch_exp, len) == 0) | |
2857 | return strdup (get_archive_mode ()); | |
2858 | if (!strncmp (control, ipc_str_descendant, len)) | |
2859 | { | |
2860 | switch (get_follow_mode ()) | |
2861 | { | |
2862 | case FOLLOW_ON: | |
2863 | return strdup (ipc_str_on); | |
2864 | case FOLLOW_ALL: | |
2865 | return strdup (ipc_str_on); | |
2866 | case FOLLOW_NONE: | |
2867 | default: | |
2868 | return strdup (ipc_str_off); | |
2869 | } | |
2870 | } | |
2871 | if (!strncmp (control, ipc_str_prof_idle, len)) | |
2872 | { | |
2873 | if (prof_idle == 0) | |
2874 | return strdup (ipc_str_off); | |
2875 | return strdup (ipc_str_on); | |
2876 | } | |
2877 | if (!strncmp (control, ipc_str_clkprof, len)) | |
2878 | { | |
2879 | if (clkprof_default == 1 && clkprof_enabled == 1) // Default value | |
2880 | return strdup (ipc_str_empty); | |
2881 | if (clkprof_enabled == 0) | |
2882 | return strdup (ipc_str_off); | |
2883 | if ((clkprof_timer > 0)) | |
2884 | return dbe_sprintf ("%d", clkprof_timer / 1000); | |
2885 | return strdup (ipc_str_internal_error); | |
2886 | } | |
2887 | if (!strncmp (control, ipc_str_hwcprof, len)) | |
2888 | { | |
2889 | if (hwcprof_enabled_cnt == 0) | |
2890 | return strdup (ipc_str_off); | |
2891 | if (hwc_string != NULL) | |
2892 | return dbe_sprintf ("on\n%s", hwc_string); | |
2893 | return strdup (ipc_str_on); // XXX need more details? | |
2894 | } | |
2895 | if (!strncmp (control, ipc_str_javaprof, len)) | |
2896 | { | |
2897 | if ((java_mode == 0)) | |
2898 | return strdup (ipc_str_off); | |
2899 | return strdup (ipc_str_on); | |
2900 | } | |
2901 | if (!strncmp (control, ipc_str_sample, len)) | |
2902 | { | |
2903 | if (sample_default == 1 && sample_period == 1) // Default value | |
2904 | return strdup (ipc_str_empty); | |
2905 | if (sample_period == 0) | |
2906 | return strdup (ipc_str_off); | |
2907 | if (sample_period > 0) | |
2908 | return dbe_sprintf ("%d", sample_period); | |
2909 | return strdup (ipc_str_internal_error); | |
2910 | } | |
2911 | if (!strncmp (control, ipc_str_sample_sig, len)) | |
2912 | { | |
2913 | if ((sample_sig == 0)) | |
2914 | return strdup (ipc_str_off); | |
2915 | char *str_signal = find_signal_name (sample_sig); | |
2916 | if (str_signal != NULL) | |
2917 | return str_signal; | |
2918 | return dbe_sprintf (GTXT ("Invalid sample signal %d\n"), sample_sig); | |
2919 | } | |
2920 | if (!strncmp (control, ipc_str_pause_resume_sig, len)) | |
2921 | { | |
2922 | if (pauseresume_sig == 0) | |
2923 | return strdup (ipc_str_off); | |
2924 | char *str_signal = find_signal_name (pauseresume_sig); | |
2925 | if (str_signal != NULL) | |
2926 | return str_signal; | |
2927 | return dbe_sprintf (GTXT ("Invalid pause/resume signal %d\n"), pauseresume_sig); | |
2928 | } | |
2929 | if (!strncmp (control, ipc_str_synctrace, len)) | |
2930 | { | |
2931 | if (synctrace_enabled == 0) | |
2932 | return strdup (ipc_str_off); | |
2933 | if (synctrace_thresh < 0) | |
2934 | return strdup ("on\nthreshold: calibrate"); | |
2935 | if (synctrace_thresh == 0) | |
2936 | return strdup ("on\nthreshold: all"); | |
2937 | return dbe_sprintf ("on\nthreshold: %d", synctrace_thresh); | |
2938 | } | |
2939 | if (!strncmp (control, ipc_str_heaptrace, len)) | |
2940 | { | |
2941 | if ((heaptrace_enabled == 0)) | |
2942 | return strdup (ipc_str_off); | |
2943 | return strdup (ipc_str_on); | |
2944 | } | |
2945 | if (!strncmp (control, ipc_str_iotrace, len)) | |
2946 | { | |
2947 | if ((iotrace_enabled == 0)) | |
2948 | return strdup (ipc_str_off); | |
2949 | return strdup (ipc_str_on); | |
2950 | } | |
2951 | if (!strncmp (control, ipc_str_count, len)) | |
2952 | { | |
2953 | if ((count_enabled == 0)) | |
2954 | return strdup (ipc_str_off); | |
2955 | if ((count_enabled < 0)) | |
2956 | return strdup ("on\nstatic"); | |
2957 | return strdup (ipc_str_on); | |
2958 | } | |
2959 | return strdup (ipc_str_unknown_control); | |
2960 | } | |
2961 | ||
2962 | /** | |
2963 | * Resets control's value (restores the default value) | |
2964 | * @param control | |
2965 | * @param value | |
2966 | * @return error or warning or NULL (done) | |
2967 | */ | |
2968 | char * | |
2969 | Coll_Ctrl::set (char * control, const char * value) | |
2970 | { | |
2971 | char * ret; | |
2972 | char * warn = NULL; | |
2973 | int len = strlen (control); | |
2974 | if (!strncmp (control, ipc_str_exp_limit, len)) | |
2975 | return set_size_limit (value); | |
2976 | if (!strncmp (control, ipc_str_time_limit, len)) | |
2977 | return set_time_run (value); | |
2978 | if (!strncmp (control, ipc_str_arch_exp, len)) | |
2979 | return set_archive_mode (value); | |
2980 | if (!strncmp (control, ipc_str_descendant, len)) | |
2981 | return set_follow_mode (value); | |
2982 | if (!strncmp (control, ipc_str_prof_idle, len)) | |
2983 | return set_prof_idle (value); | |
2984 | if (!strncmp (control, ipc_str_clkprof, len)) | |
2985 | { | |
2986 | ret = set_clkprof (value, &warn); | |
2987 | if (ret == NULL) | |
2988 | { | |
2989 | if (warn != NULL) | |
2990 | return warn; // Warning | |
2991 | return NULL; // Done | |
2992 | } | |
2993 | return ret; // Error | |
2994 | } | |
2995 | if (!strncmp (control, ipc_str_hwcprof, len)) | |
2996 | { | |
2997 | ret = set_hwcstring (value, &warn); | |
2998 | if (ret == NULL) | |
2999 | { | |
3000 | if (warn != NULL) | |
3001 | return warn; // Warning | |
3002 | return NULL; // Done | |
3003 | } | |
3004 | return ret; // Error | |
3005 | } | |
3006 | if (!strncmp (control, ipc_str_hwc2_prof, len)) | |
3007 | { | |
3008 | ret = set_hwcstring (value, &warn); | |
3009 | if (ret == NULL) | |
3010 | { | |
3011 | if (warn != NULL) | |
3012 | return warn; // Warning | |
3013 | return NULL; // Done | |
3014 | } | |
3015 | return ret; // Error | |
3016 | } | |
3017 | if (!strncmp (control, ipc_str_javaprof, len)) | |
3018 | return set_java_mode (value); | |
3019 | if (!strncmp (control, ipc_str_sample, len)) | |
3020 | return set_sample_period (value); | |
3021 | if (!strncmp (control, ipc_str_sample_sig, len)) | |
3022 | return set_sample_signal (find_sig (value)); | |
3023 | if (!strncmp (control, ipc_str_pause_resume_sig, len)) | |
3024 | { | |
3025 | char *str_signal = strdup (value); | |
3026 | char *str_state = strchr (str_signal, (int) '\n'); | |
3027 | if (str_state != NULL) | |
3028 | { | |
3029 | *str_state = 0; | |
3030 | str_state++; | |
3031 | } | |
3032 | int signal = atoi (str_signal); | |
3033 | int state = 0; | |
3034 | if (str_state != NULL) | |
3035 | state = atoi (str_state); | |
3036 | free (str_signal); | |
3037 | return set_pauseresume_signal (signal, state); | |
3038 | } | |
3039 | if (!strncmp (control, ipc_str_synctrace, len)) | |
3040 | return set_synctrace (value); | |
3041 | if (!strncmp (control, ipc_str_heaptrace, len)) | |
3042 | return set_heaptrace (value); | |
3043 | if (!strncmp (control, ipc_str_iotrace, len)) | |
3044 | return set_iotrace (value); | |
3045 | if (!strncmp (control, ipc_str_count, len)) | |
3046 | return set_count (value); | |
3047 | return strdup (ipc_str_unknown_control); | |
3048 | } | |
3049 | ||
3050 | /** | |
3051 | * Resets control's value (restores the default value) | |
3052 | * @param control | |
3053 | * @return error or NULL (done) | |
3054 | */ | |
3055 | char * | |
3056 | Coll_Ctrl::unset (char * control) | |
3057 | { | |
3058 | int len = strlen (control); | |
3059 | if (!strncmp (control, ipc_str_exp_limit, len)) | |
3060 | size_limit = 0; | |
3061 | if (!strncmp (control, ipc_str_time_limit, len)) | |
3062 | { | |
3063 | time_run = 0; | |
3064 | start_delay = 0; | |
3065 | } | |
3066 | if (!strncmp (control, ipc_str_arch_exp, len)) | |
3067 | { | |
3068 | archive_mode = strdup ("on"); | |
3069 | return NULL; | |
3070 | } | |
3071 | if (!strncmp (control, ipc_str_descendant, len)) | |
3072 | { | |
3073 | follow_mode = FOLLOW_NONE; | |
3074 | return NULL; | |
3075 | } | |
3076 | if (!strncmp (control, ipc_str_prof_idle, len)) | |
3077 | { | |
3078 | prof_idle = 1; | |
3079 | return NULL; | |
3080 | } | |
3081 | if (!strncmp (control, ipc_str_clkprof, len)) | |
3082 | { | |
3083 | clkprof_default = 1; | |
3084 | clkprof_enabled = 1; | |
3085 | return NULL; | |
3086 | } | |
3087 | if (!strncmp (control, ipc_str_hwcprof, len)) | |
3088 | { | |
3089 | setup_hwc (); | |
3090 | set_hwcdefault (); | |
3091 | return NULL; | |
3092 | } | |
3093 | if (!strncmp (control, ipc_str_javaprof, len)) | |
3094 | { | |
3095 | java_mode = 0; | |
3096 | java_default = 0; | |
3097 | free (java_path); | |
3098 | java_path = NULL; | |
3099 | free (java_args); | |
3100 | java_args = NULL; | |
3101 | } | |
3102 | if (!strncmp (control, ipc_str_sample, len)) | |
3103 | { | |
3104 | sample_period = 1; | |
3105 | sample_default = 1; | |
3106 | return NULL; | |
3107 | } | |
3108 | if (!strncmp (control, ipc_str_sample_sig, len)) | |
3109 | { | |
3110 | sample_sig = 0; | |
3111 | return NULL; | |
3112 | } | |
3113 | if (!strncmp (control, ipc_str_pause_resume_sig, len)) | |
3114 | { | |
3115 | pauseresume_sig = 0; | |
3116 | return NULL; | |
3117 | } | |
3118 | if (!strncmp (control, ipc_str_synctrace, len)) | |
3119 | { | |
3120 | synctrace_enabled = 0; | |
3121 | synctrace_thresh = -1; | |
3122 | return NULL; | |
3123 | } | |
3124 | if (!strncmp (control, ipc_str_heaptrace, len)) | |
3125 | { | |
3126 | heaptrace_enabled = 0; | |
3127 | return NULL; | |
3128 | } | |
3129 | if (!strncmp (control, ipc_str_iotrace, len)) | |
3130 | { | |
3131 | iotrace_enabled = 0; | |
3132 | return NULL; | |
3133 | } | |
3134 | if (!strncmp (control, ipc_str_count, len)) | |
3135 | { | |
3136 | count_enabled = 0; | |
3137 | Iflag = 0; | |
3138 | Nflag = 0; | |
3139 | return NULL; | |
3140 | } | |
3141 | return strdup (ipc_str_unknown_control); | |
3142 | } | |
3143 | ||
3144 | void | |
3145 | Coll_Ctrl::set_project_home (char *s) | |
3146 | { | |
3147 | if (s) | |
3148 | project_home = strdup (s); | |
3149 | } |