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5dd7507c CQ |
1 | /* |
2 | * lscpu - CPU architecture information helper | |
3 | * | |
4 | * Copyright (C) 2008 Cai Qian <qcai@redhat.com> | |
5 | * Copyright (C) 2008 Karel Zak <kzak@redhat.com> | |
6 | * | |
80dde62f | 7 | * This program is free software; you can redistribute it and/or modify |
5dd7507c | 8 | * it under the terms of the GNU General Public License as published by |
80dde62f | 9 | * the Free Software Foundation; either version 2 of the License, or |
5dd7507c CQ |
10 | * (at your option) any later version. |
11 | * | |
80dde62f | 12 | * This program is distributed in the hope that it would be useful, |
5dd7507c CQ |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
7cebf0bb SK |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
5dd7507c CQ |
20 | */ |
21 | ||
5bd31c6d | 22 | #include <assert.h> |
5dd7507c CQ |
23 | #include <ctype.h> |
24 | #include <dirent.h> | |
5dd7507c CQ |
25 | #include <errno.h> |
26 | #include <fcntl.h> | |
27 | #include <getopt.h> | |
28 | #include <stdio.h> | |
29 | #include <stdlib.h> | |
30 | #include <string.h> | |
31 | #include <sys/utsname.h> | |
32 | #include <unistd.h> | |
33 | #include <stdarg.h> | |
39561c70 KZ |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
5dd7507c | 36 | |
6d9b1c19 KZ |
37 | #if (defined(__x86_64__) || defined(__i386__)) |
38 | # if !defined( __SANITIZE_ADDRESS__) | |
39 | # define INCLUDE_VMWARE_BDOOR | |
40 | # else | |
41 | # warning VMWARE detection disabled by __SANITIZE_ADDRESS__ | |
42 | # endif | |
b7744730 RM |
43 | #endif |
44 | ||
45 | #ifdef INCLUDE_VMWARE_BDOOR | |
46 | # include <stdint.h> | |
47 | # include <signal.h> | |
48 | # include <strings.h> | |
49 | # include <setjmp.h> | |
65322517 | 50 | # ifdef HAVE_SYS_IO_H |
b7744730 RM |
51 | # include <sys/io.h> |
52 | # endif | |
53 | #endif | |
54 | ||
bd9b94d1 SB |
55 | #if defined(HAVE_LIBRTAS) |
56 | #include <librtas.h> | |
57 | #endif | |
58 | ||
83db4eb2 OO |
59 | #include <libsmartcols.h> |
60 | ||
7e03f383 | 61 | #include "cpuset.h" |
5dd7507c | 62 | #include "nls.h" |
4581647a | 63 | #include "xalloc.h" |
eb76ca98 | 64 | #include "c.h" |
477251f8 KZ |
65 | #include "strutils.h" |
66 | #include "bitops.h" | |
8148217b | 67 | #include "path.h" |
efb8854f | 68 | #include "closestream.h" |
41a8940d | 69 | #include "optutils.h" |
fb2627ce | 70 | #include "lscpu.h" |
477251f8 | 71 | |
5dd7507c CQ |
72 | #define CACHE_MAX 100 |
73 | ||
74 | /* /sys paths */ | |
d50363cd | 75 | #define _PATH_SYS_SYSTEM "/sys/devices/system" |
7e03f383 | 76 | #define _PATH_SYS_CPU _PATH_SYS_SYSTEM "/cpu" |
e9074a16 | 77 | #define _PATH_SYS_NODE _PATH_SYS_SYSTEM "/node" |
d50363cd | 78 | #define _PATH_PROC_XEN "/proc/xen" |
c8b64f6d | 79 | #define _PATH_PROC_XENCAP _PATH_PROC_XEN "/capabilities" |
d50363cd KZ |
80 | #define _PATH_PROC_CPUINFO "/proc/cpuinfo" |
81 | #define _PATH_PROC_PCIDEVS "/proc/bus/pci/devices" | |
b8ec7bdf | 82 | #define _PATH_PROC_SYSINFO "/proc/sysinfo" |
fb2627ce OO |
83 | #define _PATH_PROC_STATUS "/proc/self/status" |
84 | #define _PATH_PROC_VZ "/proc/vz" | |
85 | #define _PATH_PROC_BC "/proc/bc" | |
5bd31c6d | 86 | #define _PATH_PROC_DEVICETREE "/proc/device-tree" |
fb2627ce | 87 | #define _PATH_DEV_MEM "/dev/mem" |
5dd7507c | 88 | |
c8b64f6d KZ |
89 | /* virtualization types */ |
90 | enum { | |
91 | VIRT_NONE = 0, | |
92 | VIRT_PARA, | |
857d9cdf KZ |
93 | VIRT_FULL, |
94 | VIRT_CONT | |
c8b64f6d KZ |
95 | }; |
96 | const char *virt_types[] = { | |
97 | [VIRT_NONE] = N_("none"), | |
98 | [VIRT_PARA] = N_("para"), | |
857d9cdf KZ |
99 | [VIRT_FULL] = N_("full"), |
100 | [VIRT_CONT] = N_("container"), | |
c8b64f6d KZ |
101 | }; |
102 | ||
c8b64f6d KZ |
103 | const char *hv_vendors[] = { |
104 | [HYPER_NONE] = NULL, | |
105 | [HYPER_XEN] = "Xen", | |
106 | [HYPER_KVM] = "KVM", | |
99fbc877 | 107 | [HYPER_MSHV] = "Microsoft", |
b8ec7bdf | 108 | [HYPER_VMWARE] = "VMware", |
fb2627ce OO |
109 | [HYPER_IBM] = "IBM", |
110 | [HYPER_VSERVER] = "Linux-VServer", | |
111 | [HYPER_UML] = "User-mode Linux", | |
112 | [HYPER_INNOTEK] = "Innotek GmbH", | |
113 | [HYPER_HITACHI] = "Hitachi", | |
96ce475f RM |
114 | [HYPER_PARALLELS] = "Parallels", |
115 | [HYPER_VBOX] = "Oracle", | |
5bd31c6d RM |
116 | [HYPER_OS400] = "OS/400", |
117 | [HYPER_PHYP] = "pHyp", | |
4597b692 | 118 | [HYPER_SPAR] = "Unisys s-Par" |
96ce475f RM |
119 | }; |
120 | ||
121 | const int hv_vendor_pci[] = { | |
122 | [HYPER_NONE] = 0x0000, | |
123 | [HYPER_XEN] = 0x5853, | |
124 | [HYPER_KVM] = 0x0000, | |
125 | [HYPER_MSHV] = 0x1414, | |
126 | [HYPER_VMWARE] = 0x15ad, | |
127 | [HYPER_VBOX] = 0x80ee, | |
128 | }; | |
129 | ||
130 | const int hv_graphics_pci[] = { | |
131 | [HYPER_NONE] = 0x0000, | |
132 | [HYPER_XEN] = 0x0001, | |
133 | [HYPER_KVM] = 0x0000, | |
134 | [HYPER_MSHV] = 0x5353, | |
135 | [HYPER_VMWARE] = 0x0710, | |
136 | [HYPER_VBOX] = 0xbeef, | |
c8b64f6d KZ |
137 | }; |
138 | ||
f633ad4e | 139 | /* CPU modes */ |
79e8b41a | 140 | enum { |
f633ad4e KZ |
141 | MODE_32BIT = (1 << 1), |
142 | MODE_64BIT = (1 << 2) | |
79e8b41a | 143 | }; |
c8b64f6d | 144 | |
e8aa16ee KZ |
145 | /* cache(s) description */ |
146 | struct cpu_cache { | |
7e03f383 KZ |
147 | char *name; |
148 | char *size; | |
149 | ||
150 | int nsharedmaps; | |
151 | cpu_set_t **sharedmaps; | |
e8aa16ee KZ |
152 | }; |
153 | ||
a0fff77e HC |
154 | /* dispatching modes */ |
155 | enum { | |
156 | DISP_HORIZONTAL = 0, | |
157 | DISP_VERTICAL = 1 | |
158 | }; | |
159 | ||
160 | const char *disp_modes[] = { | |
161 | [DISP_HORIZONTAL] = N_("horizontal"), | |
162 | [DISP_VERTICAL] = N_("vertical") | |
163 | }; | |
164 | ||
2b8fcb81 HC |
165 | /* cpu polarization */ |
166 | enum { | |
167 | POLAR_UNKNOWN = 0, | |
168 | POLAR_VLOW, | |
169 | POLAR_VMEDIUM, | |
170 | POLAR_VHIGH, | |
171 | POLAR_HORIZONTAL | |
172 | }; | |
173 | ||
8005924a KZ |
174 | struct polarization_modes { |
175 | char *parsable; | |
176 | char *readable; | |
177 | }; | |
178 | ||
179 | struct polarization_modes polar_modes[] = { | |
180 | [POLAR_UNKNOWN] = {"U", "-"}, | |
181 | [POLAR_VLOW] = {"VL", "vert-low"}, | |
182 | [POLAR_VMEDIUM] = {"VM", "vert-medium"}, | |
183 | [POLAR_VHIGH] = {"VH", "vert-high"}, | |
184 | [POLAR_HORIZONTAL] = {"H", "horizontal"}, | |
2b8fcb81 HC |
185 | }; |
186 | ||
e8aa16ee KZ |
187 | /* global description */ |
188 | struct lscpu_desc { | |
5dd7507c CQ |
189 | char *arch; |
190 | char *vendor; | |
191 | char *family; | |
192 | char *model; | |
1461094c | 193 | char *modelname; |
c8b64f6d | 194 | char *virtflag; /* virtualization flag (vmx, svm) */ |
10829cd7 | 195 | char *hypervisor; /* hypervisor software */ |
c8b64f6d KZ |
196 | int hyper; /* hypervisor vendor ID */ |
197 | int virtype; /* VIRT_PARA|FULL|NONE ? */ | |
5dd7507c | 198 | char *mhz; |
e065a597 DB |
199 | char **maxmhz; /* maximum mega hertz */ |
200 | char **minmhz; /* minimum mega hertz */ | |
5dd7507c | 201 | char *stepping; |
9b8d4d5f | 202 | char *bogomips; |
5dd7507c | 203 | char *flags; |
a0fff77e | 204 | int dispatching; /* none, horizontal or vertical */ |
79e8b41a KZ |
205 | int mode; /* rm, lm or/and tm */ |
206 | ||
a5cfffff TK |
207 | int ncpuspos; /* maximal possible CPUs */ |
208 | int ncpus; /* number of present CPUs */ | |
209 | cpu_set_t *present; /* mask with present CPUs */ | |
aac1e59e | 210 | cpu_set_t *online; /* mask with online CPUs */ |
7e03f383 | 211 | |
4f642863 AT |
212 | int nthreads; /* number of online threads */ |
213 | ||
214 | int ncaches; | |
215 | struct cpu_cache *caches; | |
216 | ||
217 | /* | |
218 | * All maps are sequentially indexed (0..ncpuspos), the array index | |
219 | * does not have match with cpuX number as presented by kernel. You | |
220 | * have to use real_cpu_num() to get the real cpuX number. | |
221 | * | |
222 | * For example, the possible system CPUs are: 1,3,5, it means that | |
223 | * ncpuspos=3, so all arrays are in range 0..3. | |
224 | */ | |
225 | int *idx2cpunum; /* mapping index to CPU num */ | |
226 | ||
7e03f383 | 227 | int nnodes; /* number of NUMA modes */ |
e9074a16 | 228 | int *idx2nodenum; /* Support for discontinuous nodes */ |
7e03f383 KZ |
229 | cpu_set_t **nodemaps; /* array with NUMA nodes */ |
230 | ||
56baaa4e HC |
231 | /* books -- based on book_siblings (internal kernel map of cpuX's |
232 | * hardware threads within the same book */ | |
233 | int nbooks; /* number of all online books */ | |
234 | cpu_set_t **bookmaps; /* unique book_siblings */ | |
235 | ||
7e03f383 KZ |
236 | /* sockets -- based on core_siblings (internal kernel map of cpuX's |
237 | * hardware threads within the same physical_package_id (socket)) */ | |
e282eec2 | 238 | int nsockets; /* number of all online sockets */ |
7e03f383 KZ |
239 | cpu_set_t **socketmaps; /* unique core_siblings */ |
240 | ||
241 | /* cores -- based on thread_siblings (internel kernel map of cpuX's | |
242 | * hardware threads within the same core as cpuX) */ | |
e282eec2 | 243 | int ncores; /* number of all online cores */ |
7e03f383 KZ |
244 | cpu_set_t **coremaps; /* unique thread_siblings */ |
245 | ||
2b8fcb81 | 246 | int *polarization; /* cpu polarization */ |
596b8845 | 247 | int *addresses; /* physical cpu addresses */ |
d231eea1 | 248 | int *configured; /* cpu configured */ |
bd9b94d1 SB |
249 | int physsockets; /* Physical sockets (modules) */ |
250 | int physchips; /* Physical chips */ | |
251 | int physcoresperchip; /* Physical cores per chip */ | |
5dd7507c CQ |
252 | }; |
253 | ||
8005924a KZ |
254 | enum { |
255 | OUTPUT_SUMMARY = 0, /* default */ | |
256 | OUTPUT_PARSABLE, /* -p */ | |
ba45d8c1 | 257 | OUTPUT_READABLE, /* -e */ |
8005924a KZ |
258 | }; |
259 | ||
8148217b HC |
260 | enum { |
261 | SYSTEM_LIVE = 0, /* analyzing a live system */ | |
262 | SYSTEM_SNAPSHOT, /* analyzing a snapshot of a different system */ | |
263 | }; | |
264 | ||
8005924a | 265 | struct lscpu_modifier { |
a7e5300c | 266 | int mode; /* OUTPUT_* */ |
8148217b | 267 | int system; /* SYSTEM_* */ |
a7e5300c HC |
268 | unsigned int hex:1, /* print CPU masks rather than CPU lists */ |
269 | compat:1, /* use backwardly compatible format */ | |
7afc2387 HC |
270 | online:1, /* print online CPUs */ |
271 | offline:1; /* print offline CPUs */ | |
8005924a KZ |
272 | }; |
273 | ||
7e03f383 | 274 | static int maxcpus; /* size in bits of kernel cpu mask */ |
5dd7507c | 275 | |
aac1e59e | 276 | #define is_cpu_online(_d, _cpu) \ |
a5cfffff TK |
277 | ((_d) && (_d)->online ? \ |
278 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->online) : 0) | |
279 | #define is_cpu_present(_d, _cpu) \ | |
280 | ((_d) && (_d)->present ? \ | |
281 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->present) : 0) | |
aac1e59e | 282 | |
4f642863 AT |
283 | #define real_cpu_num(_d, _i) ((_d)->idx2cpunum[(_i)]) |
284 | ||
477251f8 | 285 | /* |
3d27b76a | 286 | * IDs |
477251f8 KZ |
287 | */ |
288 | enum { | |
289 | COL_CPU, | |
290 | COL_CORE, | |
291 | COL_SOCKET, | |
292 | COL_NODE, | |
293 | COL_BOOK, | |
2b8fcb81 | 294 | COL_CACHE, |
596b8845 | 295 | COL_POLARIZATION, |
d231eea1 HC |
296 | COL_ADDRESS, |
297 | COL_CONFIGURED, | |
a7e5300c | 298 | COL_ONLINE, |
e065a597 DB |
299 | COL_MAXMHZ, |
300 | COL_MINMHZ, | |
477251f8 KZ |
301 | }; |
302 | ||
3d27b76a KZ |
303 | /* column description |
304 | */ | |
305 | struct lscpu_coldesc { | |
306 | const char *name; | |
307 | const char *help; | |
308 | ||
309 | unsigned int is_abbr:1; /* name is abbreviation */ | |
477251f8 KZ |
310 | }; |
311 | ||
3d27b76a KZ |
312 | static struct lscpu_coldesc coldescs[] = |
313 | { | |
314 | [COL_CPU] = { "CPU", N_("logical CPU number"), 1 }, | |
315 | [COL_CORE] = { "CORE", N_("logical core number") }, | |
316 | [COL_SOCKET] = { "SOCKET", N_("logical socket number") }, | |
317 | [COL_NODE] = { "NODE", N_("logical NUMA node number") }, | |
318 | [COL_BOOK] = { "BOOK", N_("logical book number") }, | |
319 | [COL_CACHE] = { "CACHE", N_("shows how caches are shared between CPUs") }, | |
320 | [COL_POLARIZATION] = { "POLARIZATION", N_("CPU dispatching mode on virtual hardware") }, | |
321 | [COL_ADDRESS] = { "ADDRESS", N_("physical address of a CPU") }, | |
322 | [COL_CONFIGURED] = { "CONFIGURED", N_("shows if the hypervisor has allocated the CPU") }, | |
44320710 | 323 | [COL_ONLINE] = { "ONLINE", N_("shows if Linux currently makes use of the CPU") }, |
4df28845 BS |
324 | [COL_MAXMHZ] = { "MAXMHZ", N_("shows the maximum MHz of the CPU") }, |
325 | [COL_MINMHZ] = { "MINMHZ", N_("shows the minimum MHz of the CPU") } | |
3d27b76a | 326 | }; |
477251f8 | 327 | |
583f14cc KZ |
328 | static int |
329 | column_name_to_id(const char *name, size_t namesz) | |
477251f8 | 330 | { |
329fd1c3 | 331 | size_t i; |
477251f8 | 332 | |
3d27b76a KZ |
333 | for (i = 0; i < ARRAY_SIZE(coldescs); i++) { |
334 | const char *cn = coldescs[i].name; | |
477251f8 KZ |
335 | |
336 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
337 | return i; | |
338 | } | |
339 | warnx(_("unknown column: %s"), name); | |
340 | return -1; | |
341 | } | |
342 | ||
5dd7507c CQ |
343 | /* Lookup a pattern and get the value from cpuinfo. |
344 | * Format is: | |
345 | * | |
346 | * "<pattern> : <key>" | |
347 | */ | |
583f14cc KZ |
348 | static int |
349 | lookup(char *line, char *pattern, char **value) | |
5dd7507c CQ |
350 | { |
351 | char *p, *v; | |
352 | int len = strlen(pattern); | |
353 | ||
354 | if (!*line) | |
355 | return 0; | |
356 | ||
357 | /* pattern */ | |
358 | if (strncmp(line, pattern, len)) | |
359 | return 0; | |
360 | ||
361 | /* white spaces */ | |
362 | for (p = line + len; isspace(*p); p++); | |
363 | ||
364 | /* separator */ | |
365 | if (*p != ':') | |
366 | return 0; | |
367 | ||
368 | /* white spaces */ | |
369 | for (++p; isspace(*p); p++); | |
370 | ||
371 | /* value */ | |
372 | if (!*p) | |
373 | return 0; | |
374 | v = p; | |
375 | ||
376 | /* end of value */ | |
377 | len = strlen(line) - 1; | |
378 | for (p = line + len; isspace(*(p-1)); p--); | |
379 | *p = '\0'; | |
380 | ||
381 | *value = xstrdup(v); | |
382 | return 1; | |
383 | } | |
384 | ||
f633ad4e KZ |
385 | /* Don't init the mode for platforms where we are not able to |
386 | * detect that CPU supports 64-bit mode. | |
387 | */ | |
388 | static int | |
8148217b | 389 | init_mode(struct lscpu_modifier *mod) |
f633ad4e KZ |
390 | { |
391 | int m = 0; | |
392 | ||
8148217b | 393 | if (mod->system == SYSTEM_SNAPSHOT) |
4e740fd8 KZ |
394 | /* reading info from any /{sys,proc} dump, don't mix it with |
395 | * information about our real CPU */ | |
396 | return 0; | |
397 | ||
f633ad4e KZ |
398 | #if defined(__alpha__) || defined(__ia64__) |
399 | m |= MODE_64BIT; /* 64bit platforms only */ | |
400 | #endif | |
401 | /* platforms with 64bit flag in /proc/cpuinfo, define | |
402 | * 32bit default here */ | |
403 | #if defined(__i386__) || defined(__x86_64__) || \ | |
c487c90c | 404 | defined(__s390x__) || defined(__s390__) || defined(__sparc_v9__) |
f633ad4e KZ |
405 | m |= MODE_32BIT; |
406 | #endif | |
407 | return m; | |
408 | } | |
409 | ||
bd9b94d1 SB |
410 | #if defined(HAVE_LIBRTAS) |
411 | #define PROCESSOR_MODULE_INFO 43 | |
412 | static int strbe16toh(const char *buf, int offset) | |
413 | { | |
414 | return (buf[offset] << 8) + buf[offset+1]; | |
415 | } | |
416 | ||
417 | static void read_physical_info_powerpc(struct lscpu_desc *desc) | |
418 | { | |
419 | char buf[BUFSIZ]; | |
420 | int rc, len, ntypes; | |
421 | ||
422 | desc->physsockets = desc->physchips = desc->physcoresperchip = 0; | |
423 | ||
424 | rc = rtas_get_sysparm(PROCESSOR_MODULE_INFO, sizeof(buf), buf); | |
425 | if (rc < 0) | |
426 | return; | |
427 | ||
428 | len = strbe16toh(buf, 0); | |
429 | if (len < 8) | |
430 | return; | |
431 | ||
432 | ntypes = strbe16toh(buf, 2); | |
433 | ||
434 | assert(ntypes <= 1); | |
435 | if (!ntypes) | |
436 | return; | |
437 | ||
438 | desc->physsockets = strbe16toh(buf, 4); | |
439 | desc->physchips = strbe16toh(buf, 6); | |
440 | desc->physcoresperchip = strbe16toh(buf, 8); | |
441 | } | |
442 | #else | |
443 | static void read_physical_info_powerpc( | |
444 | struct lscpu_desc *desc __attribute__((__unused__))) | |
445 | { | |
446 | } | |
447 | #endif | |
448 | ||
5dd7507c | 449 | static void |
8148217b | 450 | read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 451 | { |
d50363cd | 452 | FILE *fp = path_fopen("r", 1, _PATH_PROC_CPUINFO); |
5dd7507c CQ |
453 | char buf[BUFSIZ]; |
454 | struct utsname utsbuf; | |
a5cfffff | 455 | size_t setsize; |
5dd7507c CQ |
456 | |
457 | /* architecture */ | |
458 | if (uname(&utsbuf) == -1) | |
459 | err(EXIT_FAILURE, _("error: uname failed")); | |
e8aa16ee | 460 | desc->arch = xstrdup(utsbuf.machine); |
5dd7507c | 461 | |
5dd7507c CQ |
462 | /* details */ |
463 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
e8aa16ee KZ |
464 | if (lookup(buf, "vendor", &desc->vendor)) ; |
465 | else if (lookup(buf, "vendor_id", &desc->vendor)) ; | |
e8aa16ee KZ |
466 | else if (lookup(buf, "family", &desc->family)) ; |
467 | else if (lookup(buf, "cpu family", &desc->family)) ; | |
468 | else if (lookup(buf, "model", &desc->model)) ; | |
1461094c | 469 | else if (lookup(buf, "model name", &desc->modelname)) ; |
e8aa16ee KZ |
470 | else if (lookup(buf, "stepping", &desc->stepping)) ; |
471 | else if (lookup(buf, "cpu MHz", &desc->mhz)) ; | |
f633ad4e KZ |
472 | else if (lookup(buf, "flags", &desc->flags)) ; /* x86 */ |
473 | else if (lookup(buf, "features", &desc->flags)) ; /* s390 */ | |
c487c90c | 474 | else if (lookup(buf, "type", &desc->flags)) ; /* sparc64 */ |
9b8d4d5f | 475 | else if (lookup(buf, "bogomips", &desc->bogomips)) ; |
abcd6368 | 476 | else if (lookup(buf, "bogomips per cpu", &desc->bogomips)) ; /* s390 */ |
5dd7507c CQ |
477 | else |
478 | continue; | |
479 | } | |
c8b64f6d | 480 | |
8148217b | 481 | desc->mode = init_mode(mod); |
f633ad4e | 482 | |
e8aa16ee KZ |
483 | if (desc->flags) { |
484 | snprintf(buf, sizeof(buf), " %s ", desc->flags); | |
c8b64f6d | 485 | if (strstr(buf, " svm ")) |
8290a249 | 486 | desc->virtflag = xstrdup("svm"); |
c8b64f6d | 487 | else if (strstr(buf, " vmx ")) |
8290a249 | 488 | desc->virtflag = xstrdup("vmx"); |
79e8b41a | 489 | if (strstr(buf, " lm ")) |
f633ad4e KZ |
490 | desc->mode |= MODE_32BIT | MODE_64BIT; /* x86_64 */ |
491 | if (strstr(buf, " zarch ")) | |
492 | desc->mode |= MODE_32BIT | MODE_64BIT; /* s390x */ | |
c487c90c KZ |
493 | if (strstr(buf, " sun4v ") || strstr(buf, " sun4u ")) |
494 | desc->mode |= MODE_32BIT | MODE_64BIT; /* sparc64 */ | |
c8b64f6d KZ |
495 | } |
496 | ||
4581b716 KZ |
497 | if (desc->arch && mod->system != SYSTEM_SNAPSHOT) { |
498 | if (strcmp(desc->arch, "ppc64") == 0) | |
499 | desc->mode |= MODE_32BIT | MODE_64BIT; | |
500 | else if (strcmp(desc->arch, "ppc") == 0) | |
501 | desc->mode |= MODE_32BIT; | |
502 | } | |
503 | ||
5dd7507c | 504 | fclose(fp); |
7e03f383 | 505 | |
1d56b55e | 506 | if (path_exist(_PATH_SYS_CPU "/kernel_max")) |
3d6e5c35 | 507 | /* note that kernel_max is maximum index [NR_CPUS-1] */ |
1d56b55e | 508 | maxcpus = path_read_s32(_PATH_SYS_CPU "/kernel_max") + 1; |
7e03f383 | 509 | |
8148217b | 510 | else if (mod->system == SYSTEM_LIVE) |
7e03f383 KZ |
511 | /* the root is '/' so we are working with data from the current kernel */ |
512 | maxcpus = get_max_number_of_cpus(); | |
701e2b8e KZ |
513 | |
514 | if (maxcpus <= 0) | |
515 | /* error or we are reading some /sys snapshot instead of the | |
516 | * real /sys, let's use any crazy number... */ | |
a5cfffff TK |
517 | maxcpus = 2048; |
518 | ||
519 | setsize = CPU_ALLOC_SIZE(maxcpus); | |
520 | ||
1d56b55e RM |
521 | if (path_exist(_PATH_SYS_CPU "/possible")) { |
522 | cpu_set_t *tmp = path_read_cpulist(maxcpus, _PATH_SYS_CPU "/possible"); | |
4f642863 AT |
523 | int num, idx; |
524 | ||
a5cfffff | 525 | desc->ncpuspos = CPU_COUNT_S(setsize, tmp); |
4f642863 AT |
526 | desc->idx2cpunum = xcalloc(desc->ncpuspos, sizeof(int)); |
527 | ||
528 | for (num = 0, idx = 0; num < maxcpus; num++) { | |
529 | if (CPU_ISSET(num, tmp)) | |
530 | desc->idx2cpunum[idx++] = num; | |
531 | } | |
a5cfffff TK |
532 | cpuset_free(tmp); |
533 | } else | |
534 | err(EXIT_FAILURE, _("failed to determine number of CPUs: %s"), | |
1d56b55e | 535 | _PATH_SYS_CPU "/possible"); |
a5cfffff TK |
536 | |
537 | ||
538 | /* get mask for present CPUs */ | |
1d56b55e RM |
539 | if (path_exist(_PATH_SYS_CPU "/present")) { |
540 | desc->present = path_read_cpulist(maxcpus, _PATH_SYS_CPU "/present"); | |
a5cfffff TK |
541 | desc->ncpus = CPU_COUNT_S(setsize, desc->present); |
542 | } | |
aac1e59e KZ |
543 | |
544 | /* get mask for online CPUs */ | |
1d56b55e RM |
545 | if (path_exist(_PATH_SYS_CPU "/online")) { |
546 | desc->online = path_read_cpulist(maxcpus, _PATH_SYS_CPU "/online"); | |
e282eec2 KZ |
547 | desc->nthreads = CPU_COUNT_S(setsize, desc->online); |
548 | } | |
a0fff77e HC |
549 | |
550 | /* get dispatching mode */ | |
1d56b55e RM |
551 | if (path_exist(_PATH_SYS_CPU "/dispatching")) |
552 | desc->dispatching = path_read_s32(_PATH_SYS_CPU "/dispatching"); | |
a0fff77e HC |
553 | else |
554 | desc->dispatching = -1; | |
bd9b94d1 SB |
555 | |
556 | if (mod->system == SYSTEM_LIVE) | |
557 | read_physical_info_powerpc(desc); | |
5dd7507c CQ |
558 | } |
559 | ||
c8b64f6d | 560 | static int |
140014a4 | 561 | has_pci_device(unsigned int vendor, unsigned int device) |
c8b64f6d KZ |
562 | { |
563 | FILE *f; | |
13cf6fc8 | 564 | unsigned int num, fn, ven, dev; |
c8b64f6d KZ |
565 | int res = 1; |
566 | ||
d50363cd | 567 | f = path_fopen("r", 0, _PATH_PROC_PCIDEVS); |
c8b64f6d KZ |
568 | if (!f) |
569 | return 0; | |
570 | ||
571 | /* for more details about bus/pci/devices format see | |
572 | * drivers/pci/proc.c in linux kernel | |
573 | */ | |
574 | while(fscanf(f, "%02x%02x\t%04x%04x\t%*[^\n]", | |
575 | &num, &fn, &ven, &dev) == 4) { | |
576 | ||
577 | if (ven == vendor && dev == device) | |
578 | goto found; | |
579 | } | |
580 | ||
581 | res = 0; | |
582 | found: | |
583 | fclose(f); | |
584 | return res; | |
585 | } | |
586 | ||
587 | #if defined(__x86_64__) || defined(__i386__) | |
588 | ||
589 | /* | |
590 | * This CPUID leaf returns the information about the hypervisor. | |
591 | * EAX : maximum input value for CPUID supported by the hypervisor. | |
592 | * EBX, ECX, EDX : Hypervisor vendor ID signature. E.g. VMwareVMware. | |
593 | */ | |
594 | #define HYPERVISOR_INFO_LEAF 0x40000000 | |
595 | ||
596 | static inline void | |
597 | cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, | |
598 | unsigned int *ecx, unsigned int *edx) | |
599 | { | |
c9239f23 MF |
600 | __asm__( |
601 | #if defined(__PIC__) && defined(__i386__) | |
602 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
7845b91d | 603 | "xchg %%ebx, %%esi;" |
c9239f23 | 604 | "cpuid;" |
7845b91d | 605 | "xchg %%esi, %%ebx;" |
c9239f23 MF |
606 | : "=S" (*ebx), |
607 | #else | |
608 | "cpuid;" | |
609 | : "=b" (*ebx), | |
610 | #endif | |
611 | "=a" (*eax), | |
c8b64f6d KZ |
612 | "=c" (*ecx), |
613 | "=d" (*edx) | |
bc54770d | 614 | : "1" (op), "c"(0)); |
c8b64f6d KZ |
615 | } |
616 | ||
617 | static void | |
e8aa16ee | 618 | read_hypervisor_cpuid(struct lscpu_desc *desc) |
c8b64f6d KZ |
619 | { |
620 | unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0; | |
621 | char hyper_vendor_id[13]; | |
622 | ||
623 | memset(hyper_vendor_id, 0, sizeof(hyper_vendor_id)); | |
624 | ||
625 | cpuid(HYPERVISOR_INFO_LEAF, &eax, &ebx, &ecx, &edx); | |
626 | memcpy(hyper_vendor_id + 0, &ebx, 4); | |
627 | memcpy(hyper_vendor_id + 4, &ecx, 4); | |
628 | memcpy(hyper_vendor_id + 8, &edx, 4); | |
629 | hyper_vendor_id[12] = '\0'; | |
630 | ||
631 | if (!hyper_vendor_id[0]) | |
632 | return; | |
633 | ||
634 | if (!strncmp("XenVMMXenVMM", hyper_vendor_id, 12)) | |
e8aa16ee | 635 | desc->hyper = HYPER_XEN; |
c8b64f6d | 636 | else if (!strncmp("KVMKVMKVM", hyper_vendor_id, 9)) |
e8aa16ee | 637 | desc->hyper = HYPER_KVM; |
c8b64f6d | 638 | else if (!strncmp("Microsoft Hv", hyper_vendor_id, 12)) |
e8aa16ee | 639 | desc->hyper = HYPER_MSHV; |
99fbc877 SH |
640 | else if (!strncmp("VMwareVMware", hyper_vendor_id, 12)) |
641 | desc->hyper = HYPER_VMWARE; | |
4597b692 BR |
642 | else if (!strncmp("UnisysSpar64", hyper_vendor_id, 12)) |
643 | desc->hyper = HYPER_SPAR; | |
c8b64f6d KZ |
644 | } |
645 | ||
b7744730 | 646 | #else /* ! (__x86_64__ || __i386__) */ |
c8b64f6d | 647 | static void |
6d791b4c | 648 | read_hypervisor_cpuid(struct lscpu_desc *desc __attribute__((__unused__))) |
c8b64f6d KZ |
649 | { |
650 | } | |
651 | #endif | |
652 | ||
3565bd7a KZ |
653 | static int is_compatible(const char *path, const char *str) |
654 | { | |
e03b613e | 655 | FILE *fd = path_fopen("r", 0, "%s", path); |
3565bd7a | 656 | |
3565bd7a KZ |
657 | if (fd) { |
658 | char buf[256]; | |
659 | size_t i, len; | |
660 | ||
661 | memset(buf, 0, sizeof(buf)); | |
662 | len = fread(buf, 1, sizeof(buf) - 1, fd); | |
663 | fclose(fd); | |
664 | ||
665 | for (i = 0; i < len;) { | |
666 | if (!strcmp(&buf[i], str)) | |
667 | return 1; | |
668 | i += strlen(&buf[i]); | |
669 | i++; | |
670 | } | |
671 | } | |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
5bd31c6d RM |
676 | static int |
677 | read_hypervisor_powerpc(struct lscpu_desc *desc) | |
678 | { | |
679 | assert(!desc->hyper); | |
680 | ||
79738105 | 681 | /* IBM iSeries: legacy, para-virtualized on top of OS/400 */ |
5bd31c6d RM |
682 | if (path_exist("/proc/iSeries")) { |
683 | desc->hyper = HYPER_OS400; | |
684 | desc->virtype = VIRT_PARA; | |
79738105 KZ |
685 | |
686 | /* PowerNV (POWER Non-Virtualized, bare-metal) */ | |
e03b613e KZ |
687 | } else if (is_compatible(_PATH_PROC_DEVICETREE "/compatible", "ibm,powernv")) { |
688 | desc->hyper = HYPER_NONE; | |
689 | desc->virtype = VIRT_NONE; | |
79738105 | 690 | |
d45984be | 691 | /* PowerVM (IBM's proprietary hypervisor, aka pHyp) */ |
5bd31c6d RM |
692 | } else if (path_exist(_PATH_PROC_DEVICETREE "/ibm,partition-name") |
693 | && path_exist(_PATH_PROC_DEVICETREE "/hmc-managed?") | |
694 | && !path_exist(_PATH_PROC_DEVICETREE "/chosen/qemu,graphic-width")) { | |
695 | FILE *fd; | |
696 | desc->hyper = HYPER_PHYP; | |
697 | desc->virtype = VIRT_PARA; | |
698 | fd = path_fopen("r", 0, _PATH_PROC_DEVICETREE "/ibm,partition-name"); | |
699 | if (fd) { | |
700 | char buf[256]; | |
6cbf75e5 | 701 | if (fscanf(fd, "%255s", buf) == 1 && !strcmp(buf, "full")) |
5bd31c6d RM |
702 | desc->virtype = VIRT_NONE; |
703 | fclose(fd); | |
704 | } | |
79738105 KZ |
705 | |
706 | /* Qemu */ | |
e03b613e KZ |
707 | } else if (is_compatible(_PATH_PROC_DEVICETREE "/compatible", "qemu,pseries")) { |
708 | desc->hyper = HYPER_KVM; | |
709 | desc->virtype = VIRT_PARA; | |
5bd31c6d | 710 | } |
5bd31c6d RM |
711 | return desc->hyper; |
712 | } | |
713 | ||
b7744730 RM |
714 | #ifdef INCLUDE_VMWARE_BDOOR |
715 | ||
716 | #define VMWARE_BDOOR_MAGIC 0x564D5868 | |
717 | #define VMWARE_BDOOR_PORT 0x5658 | |
718 | #define VMWARE_BDOOR_CMD_GETVERSION 10 | |
719 | ||
77242032 | 720 | static UL_ASAN_BLACKLIST |
7845b91d MF |
721 | void vmware_bdoor(uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) |
722 | { | |
723 | __asm__( | |
724 | #if defined(__PIC__) && defined(__i386__) | |
725 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
726 | "xchg %%ebx, %%esi;" | |
727 | "inl (%%dx), %%eax;" | |
728 | "xchg %%esi, %%ebx;" | |
729 | : "=S" (*ebx), | |
730 | #else | |
731 | "inl (%%dx), %%eax;" | |
732 | : "=b" (*ebx), | |
733 | #endif | |
734 | "=a" (*eax), | |
735 | "=c" (*ecx), | |
736 | "=d" (*edx) | |
737 | : "0" (VMWARE_BDOOR_MAGIC), | |
738 | "1" (VMWARE_BDOOR_CMD_GETVERSION), | |
739 | "2" (VMWARE_BDOOR_PORT), | |
740 | "3" (0) | |
741 | : "memory"); | |
742 | } | |
b7744730 RM |
743 | |
744 | static jmp_buf segv_handler_env; | |
745 | ||
746 | static void | |
747 | segv_handler(__attribute__((__unused__)) int sig, | |
748 | __attribute__((__unused__)) siginfo_t *info, | |
749 | __attribute__((__unused__)) void *ignored) | |
750 | { | |
751 | siglongjmp(segv_handler_env, 1); | |
752 | } | |
753 | ||
754 | static int | |
755 | is_vmware_platform(void) | |
756 | { | |
757 | uint32_t eax, ebx, ecx, edx; | |
758 | struct sigaction act, oact; | |
759 | ||
760 | /* | |
761 | * The assembly routine for vmware detection works | |
762 | * fine under vmware, even if ran as regular user. But | |
763 | * on real HW or under other hypervisors, it segfaults (which is | |
764 | * expected). So we temporarily install SIGSEGV handler to catch | |
765 | * the signal. All this magic is needed because lscpu | |
766 | * isn't supposed to require root privileges. | |
767 | */ | |
768 | if (sigsetjmp(segv_handler_env, 1)) | |
769 | return 0; | |
770 | ||
9dd2d497 | 771 | memset(&act, 0, sizeof(act)); |
b7744730 RM |
772 | act.sa_sigaction = segv_handler; |
773 | act.sa_flags = SA_SIGINFO; | |
774 | ||
775 | if (sigaction(SIGSEGV, &act, &oact)) | |
776 | err(EXIT_FAILURE, _("error: can not set signal handler")); | |
777 | ||
7845b91d | 778 | vmware_bdoor(&eax, &ebx, &ecx, &edx); |
b7744730 RM |
779 | |
780 | if (sigaction(SIGSEGV, &oact, NULL)) | |
781 | err(EXIT_FAILURE, _("error: can not restore signal handler")); | |
782 | ||
783 | return eax != (uint32_t)-1 && ebx == VMWARE_BDOOR_MAGIC; | |
784 | } | |
785 | ||
786 | #else /* ! INCLUDE_VMWARE_BDOOR */ | |
787 | ||
788 | static int | |
789 | is_vmware_platform(void) | |
790 | { | |
791 | return 0; | |
792 | } | |
793 | ||
794 | #endif /* INCLUDE_VMWARE_BDOOR */ | |
795 | ||
c8b64f6d | 796 | static void |
eff79ceb | 797 | read_hypervisor(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
c8b64f6d | 798 | { |
fb2627ce OO |
799 | FILE *fd; |
800 | ||
801 | if (mod->system != SYSTEM_SNAPSHOT) { | |
eff79ceb | 802 | read_hypervisor_cpuid(desc); |
fb2627ce OO |
803 | if (!desc->hyper) |
804 | desc->hyper = read_hypervisor_dmi(); | |
b7744730 RM |
805 | if (!desc->hyper && is_vmware_platform()) |
806 | desc->hyper = HYPER_VMWARE; | |
fb2627ce | 807 | } |
c8b64f6d | 808 | |
e8aa16ee | 809 | if (desc->hyper) |
e8aa16ee | 810 | desc->virtype = VIRT_FULL; |
c8b64f6d | 811 | |
5bd31c6d RM |
812 | else if (read_hypervisor_powerpc(desc) > 0) {} |
813 | ||
fb2627ce | 814 | /* Xen para-virt or dom0 */ |
d50363cd | 815 | else if (path_exist(_PATH_PROC_XEN)) { |
c8b64f6d | 816 | int dom0 = 0; |
fb2627ce | 817 | fd = path_fopen("r", 0, _PATH_PROC_XENCAP); |
c8b64f6d KZ |
818 | |
819 | if (fd) { | |
820 | char buf[256]; | |
821 | ||
6cbf75e5 | 822 | if (fscanf(fd, "%255s", buf) == 1 && |
c8b64f6d KZ |
823 | !strcmp(buf, "control_d")) |
824 | dom0 = 1; | |
825 | fclose(fd); | |
826 | } | |
e8aa16ee KZ |
827 | desc->virtype = dom0 ? VIRT_NONE : VIRT_PARA; |
828 | desc->hyper = HYPER_XEN; | |
c8b64f6d | 829 | |
fb2627ce | 830 | /* Xen full-virt on non-x86_64 */ |
96ce475f | 831 | } else if (has_pci_device( hv_vendor_pci[HYPER_XEN], hv_graphics_pci[HYPER_XEN])) { |
e8aa16ee KZ |
832 | desc->hyper = HYPER_XEN; |
833 | desc->virtype = VIRT_FULL; | |
96ce475f RM |
834 | } else if (has_pci_device( hv_vendor_pci[HYPER_VMWARE], hv_graphics_pci[HYPER_VMWARE])) { |
835 | desc->hyper = HYPER_VMWARE; | |
836 | desc->virtype = VIRT_FULL; | |
837 | } else if (has_pci_device( hv_vendor_pci[HYPER_VBOX], hv_graphics_pci[HYPER_VBOX])) { | |
838 | desc->hyper = HYPER_VBOX; | |
839 | desc->virtype = VIRT_FULL; | |
fb2627ce OO |
840 | |
841 | /* IBM PR/SM */ | |
b8ec7bdf | 842 | } else if (path_exist(_PATH_PROC_SYSINFO)) { |
145a3ca3 | 843 | FILE *sysinfo_fd = path_fopen("r", 0, _PATH_PROC_SYSINFO); |
b8ec7bdf HC |
844 | char buf[BUFSIZ]; |
845 | ||
145a3ca3 | 846 | if (!sysinfo_fd) |
b3eff5dd | 847 | return; |
b8ec7bdf | 848 | desc->hyper = HYPER_IBM; |
10829cd7 | 849 | desc->hypervisor = "PR/SM"; |
b8ec7bdf | 850 | desc->virtype = VIRT_FULL; |
145a3ca3 | 851 | while (fgets(buf, sizeof(buf), sysinfo_fd) != NULL) { |
10829cd7 HC |
852 | char *str; |
853 | ||
b8ec7bdf HC |
854 | if (!strstr(buf, "Control Program:")) |
855 | continue; | |
856 | if (!strstr(buf, "KVM")) | |
857 | desc->hyper = HYPER_IBM; | |
858 | else | |
859 | desc->hyper = HYPER_KVM; | |
10829cd7 HC |
860 | str = strchr(buf, ':'); |
861 | if (!str) | |
862 | continue; | |
9d8537ff KZ |
863 | xasprintf(&str, "%s", str + 1); |
864 | ||
10829cd7 HC |
865 | /* remove leading, trailing and repeating whitespace */ |
866 | while (*str == ' ') | |
867 | str++; | |
868 | desc->hypervisor = str; | |
869 | str += strlen(str) - 1; | |
870 | while ((*str == '\n') || (*str == ' ')) | |
871 | *(str--) = '\0'; | |
872 | while ((str = strstr(desc->hypervisor, " "))) | |
873 | memmove(str, str + 1, strlen(str)); | |
b8ec7bdf | 874 | } |
145a3ca3 | 875 | fclose(sysinfo_fd); |
c8b64f6d | 876 | } |
fb2627ce OO |
877 | |
878 | /* OpenVZ/Virtuozzo - /proc/vz dir should exist | |
879 | * /proc/bc should not */ | |
857d9cdf | 880 | else if (path_exist(_PATH_PROC_VZ) && !path_exist(_PATH_PROC_BC)) { |
fb2627ce | 881 | desc->hyper = HYPER_PARALLELS; |
857d9cdf | 882 | desc->virtype = VIRT_CONT; |
fb2627ce OO |
883 | |
884 | /* IBM */ | |
857d9cdf | 885 | } else if (desc->vendor && |
fb2627ce | 886 | (strcmp(desc->vendor, "PowerVM Lx86") == 0 || |
857d9cdf | 887 | strcmp(desc->vendor, "IBM/S390") == 0)) { |
fb2627ce | 888 | desc->hyper = HYPER_IBM; |
857d9cdf | 889 | desc->virtype = VIRT_FULL; |
fb2627ce OO |
890 | |
891 | /* User-mode-linux */ | |
857d9cdf | 892 | } else if (desc->modelname && strstr(desc->modelname, "UML")) { |
fb2627ce | 893 | desc->hyper = HYPER_UML; |
857d9cdf | 894 | desc->virtype = VIRT_PARA; |
fb2627ce OO |
895 | |
896 | /* Linux-VServer */ | |
857d9cdf | 897 | } else if (path_exist(_PATH_PROC_STATUS)) { |
fb2627ce OO |
898 | char buf[BUFSIZ]; |
899 | char *val = NULL; | |
900 | ||
dbbf8395 | 901 | fd = path_fopen("r", 1, _PATH_PROC_STATUS); |
fb2627ce OO |
902 | while (fgets(buf, sizeof(buf), fd) != NULL) { |
903 | if (lookup(buf, "VxID", &val)) | |
904 | break; | |
905 | } | |
906 | fclose(fd); | |
907 | ||
908 | if (val) { | |
909 | while (isdigit(*val)) | |
910 | ++val; | |
857d9cdf | 911 | if (!*val) { |
fb2627ce | 912 | desc->hyper = HYPER_VSERVER; |
857d9cdf KZ |
913 | desc->virtype = VIRT_CONT; |
914 | } | |
fb2627ce OO |
915 | } |
916 | } | |
c8b64f6d KZ |
917 | } |
918 | ||
455fe9a0 | 919 | /* add @set to the @ary, unnecessary set is deallocated. */ |
7e03f383 KZ |
920 | static int add_cpuset_to_array(cpu_set_t **ary, int *items, cpu_set_t *set) |
921 | { | |
922 | int i; | |
923 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
924 | ||
925 | if (!ary) | |
926 | return -1; | |
927 | ||
928 | for (i = 0; i < *items; i++) { | |
929 | if (CPU_EQUAL_S(setsize, set, ary[i])) | |
930 | break; | |
931 | } | |
932 | if (i == *items) { | |
933 | ary[*items] = set; | |
934 | ++*items; | |
935 | return 0; | |
936 | } | |
937 | CPU_FREE(set); | |
938 | return 1; | |
939 | } | |
940 | ||
5dd7507c | 941 | static void |
4f642863 | 942 | read_topology(struct lscpu_desc *desc, int idx) |
5dd7507c | 943 | { |
56baaa4e | 944 | cpu_set_t *thread_siblings, *core_siblings, *book_siblings; |
4f642863 | 945 | int num = real_cpu_num(desc, idx); |
7e03f383 KZ |
946 | |
947 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/topology/thread_siblings", num)) | |
948 | return; | |
5dd7507c | 949 | |
ca01695b | 950 | thread_siblings = path_read_cpuset(maxcpus, _PATH_SYS_CPU |
7e03f383 | 951 | "/cpu%d/topology/thread_siblings", num); |
ca01695b | 952 | core_siblings = path_read_cpuset(maxcpus, _PATH_SYS_CPU |
7e03f383 | 953 | "/cpu%d/topology/core_siblings", num); |
56baaa4e | 954 | book_siblings = NULL; |
4f642863 | 955 | if (path_exist(_PATH_SYS_CPU "/cpu%d/topology/book_siblings", num)) |
ca01695b | 956 | book_siblings = path_read_cpuset(maxcpus, _PATH_SYS_CPU |
56baaa4e | 957 | "/cpu%d/topology/book_siblings", num); |
aac1e59e KZ |
958 | |
959 | if (!desc->coremaps) { | |
56baaa4e | 960 | int nbooks, nsockets, ncores, nthreads; |
7e03f383 KZ |
961 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
962 | ||
963 | /* threads within one core */ | |
964 | nthreads = CPU_COUNT_S(setsize, thread_siblings); | |
d4bfa64d KZ |
965 | if (!nthreads) |
966 | nthreads = 1; | |
967 | ||
7e03f383 KZ |
968 | /* cores within one socket */ |
969 | ncores = CPU_COUNT_S(setsize, core_siblings) / nthreads; | |
d4bfa64d KZ |
970 | if (!ncores) |
971 | ncores = 1; | |
972 | ||
973 | /* number of sockets within one book. Because of odd / | |
974 | * non-present cpu maps and to keep calculation easy we make | |
975 | * sure that nsockets and nbooks is at least 1. | |
32a46618 | 976 | */ |
d4bfa64d KZ |
977 | nsockets = desc->ncpus / nthreads / ncores; |
978 | if (!nsockets) | |
979 | nsockets = 1; | |
980 | ||
56baaa4e | 981 | /* number of books */ |
d4bfa64d KZ |
982 | nbooks = desc->ncpus / nthreads / ncores / nsockets; |
983 | if (!nbooks) | |
984 | nbooks = 1; | |
e282eec2 KZ |
985 | |
986 | /* all threads, see also read_basicinfo() | |
32a46618 | 987 | * -- fallback for kernels without |
e282eec2 KZ |
988 | * /sys/devices/system/cpu/online. |
989 | */ | |
990 | if (!desc->nthreads) | |
32a46618 | 991 | desc->nthreads = nbooks * nsockets * ncores * nthreads; |
d4bfa64d | 992 | |
a5cfffff | 993 | /* For each map we make sure that it can have up to ncpuspos |
9d1a3a18 HC |
994 | * entries. This is because we cannot reliably calculate the |
995 | * number of cores, sockets and books on all architectures. | |
996 | * E.g. completely virtualized architectures like s390 may | |
997 | * have multiple sockets of different sizes. | |
998 | */ | |
a5cfffff TK |
999 | desc->coremaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
1000 | desc->socketmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); | |
08de16d0 | 1001 | if (book_siblings) |
a5cfffff | 1002 | desc->bookmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
7e03f383 | 1003 | } |
5dd7507c | 1004 | |
7e03f383 KZ |
1005 | add_cpuset_to_array(desc->socketmaps, &desc->nsockets, core_siblings); |
1006 | add_cpuset_to_array(desc->coremaps, &desc->ncores, thread_siblings); | |
56baaa4e HC |
1007 | if (book_siblings) |
1008 | add_cpuset_to_array(desc->bookmaps, &desc->nbooks, book_siblings); | |
7e03f383 | 1009 | } |
4f642863 | 1010 | |
2b8fcb81 | 1011 | static void |
4f642863 | 1012 | read_polarization(struct lscpu_desc *desc, int idx) |
2b8fcb81 HC |
1013 | { |
1014 | char mode[64]; | |
4f642863 | 1015 | int num = real_cpu_num(desc, idx); |
2b8fcb81 HC |
1016 | |
1017 | if (desc->dispatching < 0) | |
1018 | return; | |
1019 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/polarization", num)) | |
1020 | return; | |
1021 | if (!desc->polarization) | |
a5cfffff | 1022 | desc->polarization = xcalloc(desc->ncpuspos, sizeof(int)); |
ca01695b | 1023 | path_read_str(mode, sizeof(mode), _PATH_SYS_CPU "/cpu%d/polarization", num); |
2b8fcb81 | 1024 | if (strncmp(mode, "vertical:low", sizeof(mode)) == 0) |
4f642863 | 1025 | desc->polarization[idx] = POLAR_VLOW; |
2b8fcb81 | 1026 | else if (strncmp(mode, "vertical:medium", sizeof(mode)) == 0) |
4f642863 | 1027 | desc->polarization[idx] = POLAR_VMEDIUM; |
2b8fcb81 | 1028 | else if (strncmp(mode, "vertical:high", sizeof(mode)) == 0) |
4f642863 | 1029 | desc->polarization[idx] = POLAR_VHIGH; |
2b8fcb81 | 1030 | else if (strncmp(mode, "horizontal", sizeof(mode)) == 0) |
4f642863 | 1031 | desc->polarization[idx] = POLAR_HORIZONTAL; |
2b8fcb81 | 1032 | else |
4f642863 | 1033 | desc->polarization[idx] = POLAR_UNKNOWN; |
2b8fcb81 | 1034 | } |
7e03f383 | 1035 | |
596b8845 | 1036 | static void |
4f642863 | 1037 | read_address(struct lscpu_desc *desc, int idx) |
596b8845 | 1038 | { |
4f642863 AT |
1039 | int num = real_cpu_num(desc, idx); |
1040 | ||
596b8845 HC |
1041 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/address", num)) |
1042 | return; | |
1043 | if (!desc->addresses) | |
a5cfffff | 1044 | desc->addresses = xcalloc(desc->ncpuspos, sizeof(int)); |
4f642863 | 1045 | desc->addresses[idx] = path_read_s32(_PATH_SYS_CPU "/cpu%d/address", num); |
596b8845 | 1046 | } |
7e03f383 | 1047 | |
d231eea1 | 1048 | static void |
4f642863 | 1049 | read_configured(struct lscpu_desc *desc, int idx) |
d231eea1 | 1050 | { |
4f642863 AT |
1051 | int num = real_cpu_num(desc, idx); |
1052 | ||
d231eea1 HC |
1053 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/configure", num)) |
1054 | return; | |
1055 | if (!desc->configured) | |
a5cfffff | 1056 | desc->configured = xcalloc(desc->ncpuspos, sizeof(int)); |
4f642863 | 1057 | desc->configured[idx] = path_read_s32(_PATH_SYS_CPU "/cpu%d/configure", num); |
d231eea1 HC |
1058 | } |
1059 | ||
44320710 | 1060 | static void |
4f642863 | 1061 | read_max_mhz(struct lscpu_desc *desc, int idx) |
44320710 | 1062 | { |
4f642863 AT |
1063 | int num = real_cpu_num(desc, idx); |
1064 | ||
44320710 SK |
1065 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/cpufreq/cpuinfo_max_freq", num)) |
1066 | return; | |
e065a597 DB |
1067 | if (!desc->maxmhz) |
1068 | desc->maxmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
4f642863 | 1069 | xasprintf(&(desc->maxmhz[idx]), "%.4f", |
44320710 SK |
1070 | (float)path_read_s32(_PATH_SYS_CPU |
1071 | "/cpu%d/cpufreq/cpuinfo_max_freq", num) / 1000); | |
1072 | } | |
1073 | ||
e065a597 | 1074 | static void |
4f642863 | 1075 | read_min_mhz(struct lscpu_desc *desc, int idx) |
e065a597 | 1076 | { |
4f642863 AT |
1077 | int num = real_cpu_num(desc, idx); |
1078 | ||
e065a597 DB |
1079 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/cpufreq/cpuinfo_min_freq", num)) |
1080 | return; | |
1081 | if (!desc->minmhz) | |
1082 | desc->minmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
4f642863 | 1083 | xasprintf(&(desc->minmhz[idx]), "%.4f", |
e065a597 DB |
1084 | (float)path_read_s32(_PATH_SYS_CPU |
1085 | "/cpu%d/cpufreq/cpuinfo_min_freq", num) / 1000); | |
1086 | } | |
1087 | ||
7e03f383 KZ |
1088 | static int |
1089 | cachecmp(const void *a, const void *b) | |
1090 | { | |
1091 | struct cpu_cache *c1 = (struct cpu_cache *) a; | |
1092 | struct cpu_cache *c2 = (struct cpu_cache *) b; | |
1093 | ||
1094 | return strcmp(c2->name, c1->name); | |
5dd7507c CQ |
1095 | } |
1096 | ||
1097 | static void | |
4f642863 | 1098 | read_cache(struct lscpu_desc *desc, int idx) |
5dd7507c CQ |
1099 | { |
1100 | char buf[256]; | |
7e03f383 | 1101 | int i; |
4f642863 | 1102 | int num = real_cpu_num(desc, idx); |
5dd7507c | 1103 | |
aac1e59e | 1104 | if (!desc->ncaches) { |
1d56b55e | 1105 | while(path_exist(_PATH_SYS_CPU "/cpu%d/cache/index%d", |
7e03f383 KZ |
1106 | num, desc->ncaches)) |
1107 | desc->ncaches++; | |
5dd7507c | 1108 | |
7e03f383 KZ |
1109 | if (!desc->ncaches) |
1110 | return; | |
5dd7507c | 1111 | |
08de16d0 | 1112 | desc->caches = xcalloc(desc->ncaches, sizeof(*desc->caches)); |
7e03f383 KZ |
1113 | } |
1114 | for (i = 0; i < desc->ncaches; i++) { | |
1115 | struct cpu_cache *ca = &desc->caches[i]; | |
1116 | cpu_set_t *map; | |
1117 | ||
1d56b55e | 1118 | if (!path_exist(_PATH_SYS_CPU "/cpu%d/cache/index%d", |
dcdead42 HC |
1119 | num, i)) |
1120 | continue; | |
7e03f383 KZ |
1121 | if (!ca->name) { |
1122 | int type, level; | |
1123 | ||
1124 | /* cache type */ | |
ca01695b | 1125 | path_read_str(buf, sizeof(buf), |
7e03f383 KZ |
1126 | _PATH_SYS_CPU "/cpu%d/cache/index%d/type", |
1127 | num, i); | |
1128 | if (!strcmp(buf, "Data")) | |
1129 | type = 'd'; | |
1130 | else if (!strcmp(buf, "Instruction")) | |
1131 | type = 'i'; | |
1132 | else | |
1133 | type = 0; | |
1134 | ||
1135 | /* cache level */ | |
ca01695b | 1136 | level = path_read_s32(_PATH_SYS_CPU "/cpu%d/cache/index%d/level", |
7e03f383 KZ |
1137 | num, i); |
1138 | if (type) | |
1139 | snprintf(buf, sizeof(buf), "L%d%c", level, type); | |
1140 | else | |
1141 | snprintf(buf, sizeof(buf), "L%d", level); | |
1142 | ||
1143 | ca->name = xstrdup(buf); | |
1144 | ||
1145 | /* cache size */ | |
10d927ab RM |
1146 | if (path_exist(_PATH_SYS_CPU "/cpu%d/cache/index%d/size",num, i)) { |
1147 | path_read_str(buf, sizeof(buf), | |
1148 | _PATH_SYS_CPU "/cpu%d/cache/index%d/size", num, i); | |
1149 | ca->size = xstrdup(buf); | |
1150 | } else { | |
1151 | ca->size = xstrdup("unknown size"); | |
1152 | } | |
7e03f383 | 1153 | } |
5dd7507c | 1154 | |
7e03f383 | 1155 | /* information about how CPUs share different caches */ |
ca01695b | 1156 | map = path_read_cpuset(maxcpus, |
8148217b HC |
1157 | _PATH_SYS_CPU "/cpu%d/cache/index%d/shared_cpu_map", |
1158 | num, i); | |
5dd7507c | 1159 | |
08de16d0 | 1160 | if (!ca->sharedmaps) |
a5cfffff | 1161 | ca->sharedmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
7e03f383 | 1162 | add_cpuset_to_array(ca->sharedmaps, &ca->nsharedmaps, map); |
5dd7507c CQ |
1163 | } |
1164 | } | |
1165 | ||
e9074a16 KZ |
1166 | static inline int is_node_dirent(struct dirent *d) |
1167 | { | |
1168 | return | |
1169 | d && | |
1170 | #ifdef _DIRENT_HAVE_D_TYPE | |
c0cf4ae9 | 1171 | (d->d_type == DT_DIR || d->d_type == DT_UNKNOWN) && |
e9074a16 KZ |
1172 | #endif |
1173 | strncmp(d->d_name, "node", 4) == 0 && | |
1174 | isdigit_string(d->d_name + 4); | |
1175 | } | |
1176 | ||
39c758d1 KZ |
1177 | static int |
1178 | nodecmp(const void *ap, const void *bp) | |
1179 | { | |
1180 | int *a = (int *) ap, *b = (int *) bp; | |
1181 | return *a - *b; | |
1182 | } | |
1183 | ||
5dd7507c | 1184 | static void |
e8aa16ee | 1185 | read_nodes(struct lscpu_desc *desc) |
5dd7507c | 1186 | { |
e9074a16 KZ |
1187 | int i = 0; |
1188 | DIR *dir; | |
1189 | struct dirent *d; | |
1190 | char *path; | |
5dd7507c CQ |
1191 | |
1192 | /* number of NUMA node */ | |
e9074a16 KZ |
1193 | path = path_strdup(_PATH_SYS_NODE); |
1194 | dir = opendir(path); | |
1195 | free(path); | |
7e03f383 | 1196 | |
e9074a16 KZ |
1197 | while (dir && (d = readdir(dir))) { |
1198 | if (is_node_dirent(d)) | |
1199 | desc->nnodes++; | |
1200 | } | |
1201 | ||
1202 | if (!desc->nnodes) { | |
1203 | if (dir) | |
1204 | closedir(dir); | |
7e03f383 | 1205 | return; |
e9074a16 | 1206 | } |
5dd7507c | 1207 | |
08de16d0 | 1208 | desc->nodemaps = xcalloc(desc->nnodes, sizeof(cpu_set_t *)); |
e9074a16 KZ |
1209 | desc->idx2nodenum = xmalloc(desc->nnodes * sizeof(int)); |
1210 | ||
1211 | if (dir) { | |
1212 | rewinddir(dir); | |
1213 | while ((d = readdir(dir)) && i < desc->nnodes) { | |
1214 | if (is_node_dirent(d)) | |
1215 | desc->idx2nodenum[i++] = strtol_or_err(((d->d_name) + 4), | |
1216 | _("Failed to extract the node number")); | |
1217 | } | |
1218 | closedir(dir); | |
39c758d1 | 1219 | qsort(desc->idx2nodenum, desc->nnodes, sizeof(int), nodecmp); |
e9074a16 | 1220 | } |
5dd7507c CQ |
1221 | |
1222 | /* information about how nodes share different CPUs */ | |
7e03f383 | 1223 | for (i = 0; i < desc->nnodes; i++) |
ca01695b | 1224 | desc->nodemaps[i] = path_read_cpuset(maxcpus, |
1d56b55e | 1225 | _PATH_SYS_NODE "/node%d/cpumap", |
e9074a16 | 1226 | desc->idx2nodenum[i]); |
5dd7507c CQ |
1227 | } |
1228 | ||
e3b3a2f3 | 1229 | static char * |
4f642863 | 1230 | get_cell_data(struct lscpu_desc *desc, int idx, int col, |
e3b3a2f3 KZ |
1231 | struct lscpu_modifier *mod, |
1232 | char *buf, size_t bufsz) | |
5dd7507c | 1233 | { |
7e03f383 | 1234 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
4f642863 AT |
1235 | size_t i; |
1236 | int cpu = real_cpu_num(desc, idx); | |
e3b3a2f3 KZ |
1237 | |
1238 | *buf = '\0'; | |
5dd7507c | 1239 | |
477251f8 KZ |
1240 | switch (col) { |
1241 | case COL_CPU: | |
e3b3a2f3 | 1242 | snprintf(buf, bufsz, "%d", cpu); |
477251f8 KZ |
1243 | break; |
1244 | case COL_CORE: | |
e9d659ea | 1245 | if (cpuset_ary_isset(cpu, desc->coremaps, |
4f642863 | 1246 | desc->ncores, setsize, &i) == 0) |
73f2bec5 | 1247 | snprintf(buf, bufsz, "%zu", i); |
477251f8 KZ |
1248 | break; |
1249 | case COL_SOCKET: | |
e9d659ea | 1250 | if (cpuset_ary_isset(cpu, desc->socketmaps, |
4f642863 | 1251 | desc->nsockets, setsize, &i) == 0) |
73f2bec5 | 1252 | snprintf(buf, bufsz, "%zu", i); |
477251f8 KZ |
1253 | break; |
1254 | case COL_NODE: | |
e9d659ea | 1255 | if (cpuset_ary_isset(cpu, desc->nodemaps, |
4f642863 | 1256 | desc->nnodes, setsize, &i) == 0) |
e9074a16 | 1257 | snprintf(buf, bufsz, "%d", desc->idx2nodenum[i]); |
477251f8 KZ |
1258 | break; |
1259 | case COL_BOOK: | |
e9d659ea | 1260 | if (cpuset_ary_isset(cpu, desc->bookmaps, |
4f642863 | 1261 | desc->nbooks, setsize, &i) == 0) |
73f2bec5 | 1262 | snprintf(buf, bufsz, "%zu", i); |
477251f8 KZ |
1263 | break; |
1264 | case COL_CACHE: | |
e3b3a2f3 KZ |
1265 | { |
1266 | char *p = buf; | |
1267 | size_t sz = bufsz; | |
1268 | int j; | |
1269 | ||
7e03f383 KZ |
1270 | for (j = desc->ncaches - 1; j >= 0; j--) { |
1271 | struct cpu_cache *ca = &desc->caches[j]; | |
e9d659ea KZ |
1272 | |
1273 | if (cpuset_ary_isset(cpu, ca->sharedmaps, | |
4f642863 | 1274 | ca->nsharedmaps, setsize, &i) == 0) { |
73f2bec5 | 1275 | int x = snprintf(p, sz, "%zu", i); |
e3b3a2f3 KZ |
1276 | if (x <= 0 || (size_t) x + 2 >= sz) |
1277 | return NULL; | |
1278 | p += x; | |
1279 | sz -= x; | |
1280 | } | |
1281 | if (j != 0) { | |
1282 | *p++ = mod->compat ? ',' : ':'; | |
1283 | *p = '\0'; | |
1284 | sz++; | |
1285 | } | |
5dd7507c | 1286 | } |
477251f8 | 1287 | break; |
e3b3a2f3 | 1288 | } |
2b8fcb81 | 1289 | case COL_POLARIZATION: |
ba45d8c1 | 1290 | if (desc->polarization) { |
4f642863 | 1291 | int x = desc->polarization[idx]; |
ba45d8c1 | 1292 | |
e3b3a2f3 | 1293 | snprintf(buf, bufsz, "%s", |
ba45d8c1 KZ |
1294 | mod->mode == OUTPUT_PARSABLE ? |
1295 | polar_modes[x].parsable : | |
1296 | polar_modes[x].readable); | |
1297 | } | |
2b8fcb81 | 1298 | break; |
596b8845 HC |
1299 | case COL_ADDRESS: |
1300 | if (desc->addresses) | |
4f642863 | 1301 | snprintf(buf, bufsz, "%d", desc->addresses[idx]); |
596b8845 | 1302 | break; |
d231eea1 | 1303 | case COL_CONFIGURED: |
e43fc13e HC |
1304 | if (!desc->configured) |
1305 | break; | |
1306 | if (mod->mode == OUTPUT_PARSABLE) | |
f205c90a | 1307 | snprintf(buf, bufsz, "%s", |
4f642863 | 1308 | desc->configured[idx] ? _("Y") : _("N")); |
e43fc13e | 1309 | else |
f205c90a | 1310 | snprintf(buf, bufsz, "%s", |
4f642863 | 1311 | desc->configured[idx] ? _("yes") : _("no")); |
d231eea1 | 1312 | break; |
a7e5300c | 1313 | case COL_ONLINE: |
e43fc13e HC |
1314 | if (!desc->online) |
1315 | break; | |
1316 | if (mod->mode == OUTPUT_PARSABLE) | |
f205c90a | 1317 | snprintf(buf, bufsz, "%s", |
e43fc13e HC |
1318 | is_cpu_online(desc, cpu) ? _("Y") : _("N")); |
1319 | else | |
f205c90a | 1320 | snprintf(buf, bufsz, "%s", |
847b982e | 1321 | is_cpu_online(desc, cpu) ? _("yes") : _("no")); |
a7e5300c | 1322 | break; |
e065a597 DB |
1323 | case COL_MAXMHZ: |
1324 | if (desc->maxmhz) | |
4f642863 | 1325 | xstrncpy(buf, desc->maxmhz[idx], bufsz); |
e065a597 DB |
1326 | break; |
1327 | case COL_MINMHZ: | |
1328 | if (desc->minmhz) | |
4f642863 | 1329 | xstrncpy(buf, desc->minmhz[idx], bufsz); |
44320710 | 1330 | break; |
477251f8 | 1331 | } |
e3b3a2f3 KZ |
1332 | return buf; |
1333 | } | |
1334 | ||
1335 | static char * | |
1336 | get_cell_header(struct lscpu_desc *desc, int col, | |
1337 | struct lscpu_modifier *mod, | |
1338 | char *buf, size_t bufsz) | |
1339 | { | |
1340 | *buf = '\0'; | |
1341 | ||
1342 | if (col == COL_CACHE) { | |
1343 | char *p = buf; | |
1344 | size_t sz = bufsz; | |
1345 | int i; | |
1346 | ||
1347 | for (i = desc->ncaches - 1; i >= 0; i--) { | |
1348 | int x = snprintf(p, sz, "%s", desc->caches[i].name); | |
1349 | if (x <= 0 || (size_t) x + 2 > sz) | |
1350 | return NULL; | |
1351 | sz -= x; | |
1352 | p += x; | |
1353 | if (i > 0) { | |
1354 | *p++ = mod->compat ? ',' : ':'; | |
1355 | *p = '\0'; | |
1356 | sz++; | |
1357 | } | |
1358 | } | |
1359 | if (desc->ncaches) | |
1360 | return buf; | |
1361 | } | |
756d79cd | 1362 | snprintf(buf, bufsz, "%s", coldescs[col].name); |
e3b3a2f3 | 1363 | return buf; |
477251f8 KZ |
1364 | } |
1365 | ||
1366 | /* | |
ba45d8c1 | 1367 | * [-p] backend, we support two parsable formats: |
477251f8 KZ |
1368 | * |
1369 | * 1) "compatible" -- this format is compatible with the original lscpu(1) | |
1370 | * output and it contains fixed set of the columns. The CACHE columns are at | |
1371 | * the end of the line and the CACHE is not printed if the number of the caches | |
1372 | * is zero. The CACHE columns are separated by two commas, for example: | |
1373 | * | |
1374 | * $ lscpu --parse | |
1375 | * # CPU,Core,Socket,Node,,L1d,L1i,L2 | |
1376 | * 0,0,0,0,,0,0,0 | |
1377 | * 1,1,0,0,,1,1,0 | |
1378 | * | |
1379 | * 2) "user defined output" -- this format prints always all columns without | |
1380 | * special prefix for CACHE column. If there are not CACHEs then the column is | |
1381 | * empty and the header "Cache" is printed rather than a real name of the cache. | |
1382 | * The CACHE columns are separated by ':'. | |
1383 | * | |
1384 | * $ lscpu --parse=CPU,CORE,SOCKET,NODE,CACHE | |
1385 | * # CPU,Core,Socket,Node,L1d:L1i:L2 | |
1386 | * 0,0,0,0,0:0:0 | |
1387 | * 1,1,0,0,1:1:0 | |
1388 | */ | |
1389 | static void | |
8005924a KZ |
1390 | print_parsable(struct lscpu_desc *desc, int cols[], int ncols, |
1391 | struct lscpu_modifier *mod) | |
477251f8 | 1392 | { |
e3b3a2f3 KZ |
1393 | char buf[BUFSIZ], *data; |
1394 | int i; | |
477251f8 | 1395 | |
e3b3a2f3 KZ |
1396 | /* |
1397 | * Header | |
1398 | */ | |
477251f8 KZ |
1399 | printf(_( |
1400 | "# The following is the parsable format, which can be fed to other\n" | |
1401 | "# programs. Each different item in every column has an unique ID\n" | |
1402 | "# starting from zero.\n")); | |
1403 | ||
1404 | fputs("# ", stdout); | |
1405 | for (i = 0; i < ncols; i++) { | |
3d27b76a | 1406 | int col = cols[i]; |
b9d18bc3 | 1407 | |
3d27b76a | 1408 | if (col == COL_CACHE) { |
8005924a | 1409 | if (mod->compat && !desc->ncaches) |
477251f8 | 1410 | continue; |
8005924a | 1411 | if (mod->compat && i != 0) |
477251f8 | 1412 | putchar(','); |
477251f8 | 1413 | } |
e3b3a2f3 KZ |
1414 | if (i > 0) |
1415 | putchar(','); | |
1416 | ||
3d27b76a | 1417 | data = get_cell_header(desc, col, mod, buf, sizeof(buf)); |
b9d18bc3 | 1418 | |
3d27b76a KZ |
1419 | if (data && * data && col != COL_CACHE && |
1420 | !coldescs[col].is_abbr) { | |
1421 | /* | |
1422 | * For normal column names use mixed case (e.g. "Socket") | |
1423 | */ | |
1424 | char *p = data + 1; | |
1425 | ||
14e8be8a PU |
1426 | while (p && *p != '\0') { |
1427 | *p = tolower((unsigned int) *p); | |
1428 | p++; | |
1429 | } | |
3d27b76a | 1430 | } |
e3b3a2f3 | 1431 | fputs(data && *data ? data : "", stdout); |
477251f8 KZ |
1432 | } |
1433 | putchar('\n'); | |
1434 | ||
e3b3a2f3 KZ |
1435 | /* |
1436 | * Data | |
1437 | */ | |
a5cfffff | 1438 | for (i = 0; i < desc->ncpuspos; i++) { |
e3b3a2f3 | 1439 | int c; |
4f642863 | 1440 | int cpu = real_cpu_num(desc, i); |
e3b3a2f3 | 1441 | |
4f642863 | 1442 | if (!mod->offline && desc->online && !is_cpu_online(desc, cpu)) |
7afc2387 | 1443 | continue; |
4f642863 | 1444 | if (!mod->online && desc->online && is_cpu_online(desc, cpu)) |
477251f8 | 1445 | continue; |
4f642863 | 1446 | if (desc->present && !is_cpu_present(desc, cpu)) |
a5cfffff | 1447 | continue; |
477251f8 | 1448 | for (c = 0; c < ncols; c++) { |
8005924a | 1449 | if (mod->compat && cols[c] == COL_CACHE) { |
477251f8 KZ |
1450 | if (!desc->ncaches) |
1451 | continue; | |
1452 | if (c > 0) | |
1453 | putchar(','); | |
1454 | } | |
1455 | if (c > 0) | |
1456 | putchar(','); | |
e3b3a2f3 KZ |
1457 | |
1458 | data = get_cell_data(desc, i, cols[c], mod, | |
1459 | buf, sizeof(buf)); | |
1460 | fputs(data && *data ? data : "", stdout); | |
477251f8 | 1461 | } |
5dd7507c CQ |
1462 | putchar('\n'); |
1463 | } | |
1464 | } | |
1465 | ||
ba45d8c1 KZ |
1466 | /* |
1467 | * [-e] backend | |
1468 | */ | |
1469 | static void | |
1470 | print_readable(struct lscpu_desc *desc, int cols[], int ncols, | |
1471 | struct lscpu_modifier *mod) | |
1472 | { | |
1473 | int i; | |
e7213e34 KZ |
1474 | char buf[BUFSIZ]; |
1475 | const char *data; | |
710ed55d | 1476 | struct libscols_table *table; |
ba45d8c1 | 1477 | |
710ed55d KZ |
1478 | scols_init_debug(0); |
1479 | ||
1480 | table = scols_new_table(); | |
83db4eb2 | 1481 | if (!table) |
ba45d8c1 KZ |
1482 | err(EXIT_FAILURE, _("failed to initialize output table")); |
1483 | ||
1484 | for (i = 0; i < ncols; i++) { | |
b9d18bc3 | 1485 | data = get_cell_header(desc, cols[i], mod, buf, sizeof(buf)); |
83db4eb2 | 1486 | if (!scols_table_new_column(table, xstrdup(data), 0, 0)) |
e7213e34 | 1487 | err(EXIT_FAILURE, _("failed to initialize output column")); |
ba45d8c1 KZ |
1488 | } |
1489 | ||
a5cfffff | 1490 | for (i = 0; i < desc->ncpuspos; i++) { |
ba45d8c1 | 1491 | int c; |
83db4eb2 | 1492 | struct libscols_line *line; |
4f642863 | 1493 | int cpu = real_cpu_num(desc, i); |
ba45d8c1 | 1494 | |
4f642863 | 1495 | if (!mod->offline && desc->online && !is_cpu_online(desc, cpu)) |
7afc2387 | 1496 | continue; |
4f642863 | 1497 | if (!mod->online && desc->online && is_cpu_online(desc, cpu)) |
ba45d8c1 | 1498 | continue; |
4f642863 | 1499 | if (desc->present && !is_cpu_present(desc, cpu)) |
a5cfffff | 1500 | continue; |
ba45d8c1 | 1501 | |
83db4eb2 | 1502 | line = scols_table_new_line(table, NULL); |
e7213e34 KZ |
1503 | if (!line) |
1504 | err(EXIT_FAILURE, _("failed to initialize output line")); | |
ba45d8c1 KZ |
1505 | |
1506 | for (c = 0; c < ncols; c++) { | |
1507 | data = get_cell_data(desc, i, cols[c], mod, | |
1508 | buf, sizeof(buf)); | |
e7213e34 KZ |
1509 | if (!data || !*data) |
1510 | data = "-"; | |
1511 | scols_line_set_data(line, c, data); | |
ba45d8c1 KZ |
1512 | } |
1513 | } | |
1514 | ||
83db4eb2 OO |
1515 | scols_print_table(table); |
1516 | scols_unref_table(table); | |
ba45d8c1 | 1517 | } |
5dd7507c CQ |
1518 | |
1519 | /* output formats "<key> <value>"*/ | |
1520 | #define print_s(_key, _val) printf("%-23s%s\n", _key, _val) | |
1521 | #define print_n(_key, _val) printf("%-23s%d\n", _key, _val) | |
1522 | ||
1523 | static void | |
4f912c6a KZ |
1524 | print_cpuset(const char *key, cpu_set_t *set, int hex) |
1525 | { | |
1526 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
1527 | size_t setbuflen = 7 * maxcpus; | |
1528 | char setbuf[setbuflen], *p; | |
1529 | ||
1530 | if (hex) { | |
1531 | p = cpumask_create(setbuf, setbuflen, set, setsize); | |
1532 | printf("%-23s0x%s\n", key, p); | |
1533 | } else { | |
1534 | p = cpulist_create(setbuf, setbuflen, set, setsize); | |
1535 | print_s(key, p); | |
1536 | } | |
1537 | ||
1538 | } | |
1539 | ||
ba45d8c1 KZ |
1540 | /* |
1541 | * default output | |
1542 | */ | |
4f912c6a | 1543 | static void |
8005924a | 1544 | print_summary(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 1545 | { |
7e03f383 KZ |
1546 | char buf[512]; |
1547 | int i; | |
aac1e59e | 1548 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
7e03f383 | 1549 | |
e6b0611b | 1550 | print_s(_("Architecture:"), desc->arch); |
79e8b41a | 1551 | |
f633ad4e | 1552 | if (desc->mode) { |
2d7bee25 | 1553 | char mbuf[64], *p = mbuf; |
79e8b41a | 1554 | |
f633ad4e | 1555 | if (desc->mode & MODE_32BIT) { |
79e8b41a KZ |
1556 | strcpy(p, "32-bit, "); |
1557 | p += 8; | |
1558 | } | |
f633ad4e | 1559 | if (desc->mode & MODE_64BIT) { |
79e8b41a KZ |
1560 | strcpy(p, "64-bit, "); |
1561 | p += 8; | |
1562 | } | |
1563 | *(p - 2) = '\0'; | |
2d7bee25 | 1564 | print_s(_("CPU op-mode(s):"), mbuf); |
79e8b41a | 1565 | } |
aabe2441 | 1566 | #if !defined(WORDS_BIGENDIAN) |
9b8d4d5f DB |
1567 | print_s(_("Byte Order:"), "Little Endian"); |
1568 | #else | |
1569 | print_s(_("Byte Order:"), "Big Endian"); | |
9b8d4d5f | 1570 | #endif |
4a939e04 | 1571 | print_n(_("CPU(s):"), desc->ncpus); |
4f912c6a | 1572 | |
5d4ba40d | 1573 | if (desc->online) |
8005924a KZ |
1574 | print_cpuset(mod->hex ? _("On-line CPU(s) mask:") : |
1575 | _("On-line CPU(s) list:"), | |
1576 | desc->online, mod->hex); | |
4f912c6a | 1577 | |
5d4ba40d | 1578 | if (desc->online && CPU_COUNT_S(setsize, desc->online) != desc->ncpus) { |
4f912c6a KZ |
1579 | cpu_set_t *set; |
1580 | ||
1581 | /* Linux kernel provides cpuset of off-line CPUs that contains | |
1582 | * all configured CPUs (see /sys/devices/system/cpu/offline), | |
1583 | * but want to print real (present in system) off-line CPUs only. | |
1584 | */ | |
1585 | set = cpuset_alloc(maxcpus, NULL, NULL); | |
1586 | if (!set) | |
1587 | err(EXIT_FAILURE, _("failed to callocate cpu set")); | |
1588 | CPU_ZERO_S(setsize, set); | |
a5cfffff | 1589 | for (i = 0; i < desc->ncpuspos; i++) { |
4f642863 AT |
1590 | int cpu = real_cpu_num(desc, i); |
1591 | if (!is_cpu_online(desc, cpu) && is_cpu_present(desc, cpu)) | |
1592 | CPU_SET_S(cpu, setsize, set); | |
4f912c6a | 1593 | } |
8005924a KZ |
1594 | print_cpuset(mod->hex ? _("Off-line CPU(s) mask:") : |
1595 | _("Off-line CPU(s) list:"), | |
1596 | set, mod->hex); | |
4f912c6a KZ |
1597 | cpuset_free(set); |
1598 | } | |
5dd7507c | 1599 | |
7e03f383 | 1600 | if (desc->nsockets) { |
8648ca96 HC |
1601 | int cores_per_socket, sockets_per_book, books; |
1602 | ||
1603 | cores_per_socket = sockets_per_book = books = 0; | |
1604 | /* s390 detects its cpu topology via /proc/sysinfo, if present. | |
1605 | * Using simply the cpu topology masks in sysfs will not give | |
1606 | * usable results since everything is virtualized. E.g. | |
1607 | * virtual core 0 may have only 1 cpu, but virtual core 2 may | |
1608 | * five cpus. | |
1609 | * If the cpu topology is not exported (e.g. 2nd level guest) | |
1610 | * fall back to old calculation scheme. | |
1611 | */ | |
1612 | if (path_exist(_PATH_PROC_SYSINFO)) { | |
1613 | FILE *fd = path_fopen("r", 0, _PATH_PROC_SYSINFO); | |
2d7bee25 | 1614 | char pbuf[BUFSIZ]; |
8648ca96 HC |
1615 | int t0, t1, t2; |
1616 | ||
2d7bee25 SK |
1617 | while (fd && fgets(pbuf, sizeof(pbuf), fd) != NULL) { |
1618 | if (sscanf(pbuf, "CPU Topology SW:%d%d%d%d%d%d", | |
8648ca96 HC |
1619 | &t0, &t1, &t2, &books, &sockets_per_book, |
1620 | &cores_per_socket) == 6) | |
1621 | break; | |
1622 | } | |
ad655c88 KZ |
1623 | if (fd) |
1624 | fclose(fd); | |
8648ca96 | 1625 | } |
7e03f383 | 1626 | print_n(_("Thread(s) per core:"), desc->nthreads / desc->ncores); |
8648ca96 HC |
1627 | print_n(_("Core(s) per socket:"), |
1628 | cores_per_socket ?: desc->ncores / desc->nsockets); | |
56baaa4e | 1629 | if (desc->nbooks) { |
8648ca96 HC |
1630 | print_n(_("Socket(s) per book:"), |
1631 | sockets_per_book ?: desc->nsockets / desc->nbooks); | |
1632 | print_n(_("Book(s):"), books ?: desc->nbooks); | |
56baaa4e | 1633 | } else { |
8648ca96 | 1634 | print_n(_("Socket(s):"), sockets_per_book ?: desc->nsockets); |
56baaa4e | 1635 | } |
5dd7507c | 1636 | } |
7e03f383 KZ |
1637 | if (desc->nnodes) |
1638 | print_n(_("NUMA node(s):"), desc->nnodes); | |
e8aa16ee KZ |
1639 | if (desc->vendor) |
1640 | print_s(_("Vendor ID:"), desc->vendor); | |
1641 | if (desc->family) | |
1642 | print_s(_("CPU family:"), desc->family); | |
1643 | if (desc->model) | |
1644 | print_s(_("Model:"), desc->model); | |
1461094c KZ |
1645 | if (desc->modelname) |
1646 | print_s(_("Model name:"), desc->modelname); | |
e8aa16ee KZ |
1647 | if (desc->stepping) |
1648 | print_s(_("Stepping:"), desc->stepping); | |
1649 | if (desc->mhz) | |
1650 | print_s(_("CPU MHz:"), desc->mhz); | |
e065a597 DB |
1651 | if (desc->maxmhz) |
1652 | print_s(_("CPU max MHz:"), desc->maxmhz[0]); | |
1653 | if (desc->minmhz) | |
1654 | print_s(_("CPU min MHz:"), desc->minmhz[0]); | |
9b8d4d5f DB |
1655 | if (desc->bogomips) |
1656 | print_s(_("BogoMIPS:"), desc->bogomips); | |
e8aa16ee KZ |
1657 | if (desc->virtflag) { |
1658 | if (!strcmp(desc->virtflag, "svm")) | |
5dd7507c | 1659 | print_s(_("Virtualization:"), "AMD-V"); |
e8aa16ee | 1660 | else if (!strcmp(desc->virtflag, "vmx")) |
5dd7507c CQ |
1661 | print_s(_("Virtualization:"), "VT-x"); |
1662 | } | |
10829cd7 HC |
1663 | if (desc->hypervisor) |
1664 | print_s(_("Hypervisor:"), desc->hypervisor); | |
e8aa16ee KZ |
1665 | if (desc->hyper) { |
1666 | print_s(_("Hypervisor vendor:"), hv_vendors[desc->hyper]); | |
50c6ee4c | 1667 | print_s(_("Virtualization type:"), _(virt_types[desc->virtype])); |
c8b64f6d | 1668 | } |
a0fff77e | 1669 | if (desc->dispatching >= 0) |
50c6ee4c | 1670 | print_s(_("Dispatching mode:"), _(disp_modes[desc->dispatching])); |
7e03f383 | 1671 | if (desc->ncaches) { |
2d7bee25 | 1672 | char cbuf[512]; |
5dd7507c | 1673 | |
7e03f383 | 1674 | for (i = desc->ncaches - 1; i >= 0; i--) { |
2d7bee25 | 1675 | snprintf(cbuf, sizeof(cbuf), |
7e03f383 | 1676 | _("%s cache:"), desc->caches[i].name); |
2d7bee25 | 1677 | print_s(cbuf, desc->caches[i].size); |
7e03f383 KZ |
1678 | } |
1679 | } | |
1680 | ||
4f912c6a | 1681 | for (i = 0; i < desc->nnodes; i++) { |
e9074a16 | 1682 | snprintf(buf, sizeof(buf), _("NUMA node%d CPU(s):"), desc->idx2nodenum[i]); |
8005924a | 1683 | print_cpuset(buf, desc->nodemaps[i], mod->hex); |
5dd7507c | 1684 | } |
ee1f1057 WC |
1685 | |
1686 | if (desc->flags) | |
1687 | print_s(_("Flags:"), desc->flags); | |
bd9b94d1 SB |
1688 | |
1689 | if (desc->physsockets) { | |
1690 | print_n(_("Physical sockets:"), desc->physsockets); | |
1691 | print_n(_("Physical chips:"), desc->physchips); | |
1692 | print_n(_("Physical cores/chip:"), desc->physcoresperchip); | |
1693 | } | |
5dd7507c CQ |
1694 | } |
1695 | ||
39561c70 | 1696 | static void __attribute__((__noreturn__)) usage(FILE *out) |
5dd7507c | 1697 | { |
b9d18bc3 KZ |
1698 | size_t i; |
1699 | ||
1700 | fputs(USAGE_HEADER, out); | |
c6f095cf | 1701 | fprintf(out, _(" %s [options]\n"), program_invocation_short_name); |
7f1ec5e8 | 1702 | |
451dbcfa BS |
1703 | fputs(USAGE_SEPARATOR, out); |
1704 | fputs(_("Display information about the CPU architecture.\n"), out); | |
1705 | ||
b9d18bc3 | 1706 | fputs(USAGE_OPTIONS, out); |
c6f095cf BS |
1707 | fputs(_(" -a, --all print both online and offline CPUs (default for -e)\n"), out); |
1708 | fputs(_(" -b, --online print online CPUs only (default for -p)\n"), out); | |
1709 | fputs(_(" -c, --offline print offline CPUs only\n"), out); | |
1710 | fputs(_(" -e, --extended[=<list>] print out an extended readable format\n"), out); | |
1711 | fputs(_(" -p, --parse[=<list>] print out a parsable format\n"), out); | |
1712 | fputs(_(" -s, --sysroot <dir> use specified directory as system root\n"), out); | |
1713 | fputs(_(" -x, --hex print hexadecimal masks rather than lists of CPUs\n"), out); | |
1714 | fputs(USAGE_SEPARATOR, out); | |
1715 | fputs(USAGE_HELP, out); | |
1716 | fputs(USAGE_VERSION, out); | |
b9d18bc3 KZ |
1717 | |
1718 | fprintf(out, _("\nAvailable columns:\n")); | |
1719 | ||
3d27b76a KZ |
1720 | for (i = 0; i < ARRAY_SIZE(coldescs); i++) |
1721 | fprintf(out, " %13s %s\n", coldescs[i].name, _(coldescs[i].help)); | |
1722 | ||
a587cc55 | 1723 | fprintf(out, USAGE_MAN_TAIL("lscpu(1)")); |
4f912c6a | 1724 | |
39561c70 | 1725 | exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); |
5dd7507c CQ |
1726 | } |
1727 | ||
1728 | int main(int argc, char *argv[]) | |
1729 | { | |
8005924a KZ |
1730 | struct lscpu_modifier _mod = { .mode = OUTPUT_SUMMARY }, *mod = &_mod; |
1731 | struct lscpu_desc _desc = { .flags = 0 }, *desc = &_desc; | |
1732 | int c, i; | |
3d27b76a | 1733 | int columns[ARRAY_SIZE(coldescs)], ncolumns = 0; |
7fc12cd2 | 1734 | int cpu_modifier_specified = 0; |
5dd7507c | 1735 | |
6c7d5ae9 | 1736 | static const struct option longopts[] = { |
0ad29ff6 | 1737 | { "all", no_argument, 0, 'a' }, |
23e9e95a | 1738 | { "online", no_argument, 0, 'b' }, |
7afc2387 | 1739 | { "offline", no_argument, 0, 'c' }, |
47b6e8b6 | 1740 | { "help", no_argument, 0, 'h' }, |
ba45d8c1 | 1741 | { "extended", optional_argument, 0, 'e' }, |
477251f8 | 1742 | { "parse", optional_argument, 0, 'p' }, |
47b6e8b6 | 1743 | { "sysroot", required_argument, 0, 's' }, |
4f912c6a | 1744 | { "hex", no_argument, 0, 'x' }, |
44de912c | 1745 | { "version", no_argument, 0, 'V' }, |
5dd7507c CQ |
1746 | { NULL, 0, 0, 0 } |
1747 | }; | |
1748 | ||
8e97eb4b KZ |
1749 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
1750 | { 'a','b','c' }, | |
1751 | { 'e','p' }, | |
1752 | { 0 } | |
1753 | }; | |
1754 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
1755 | ||
2f8f1388 | 1756 | setlocale(LC_ALL, ""); |
5dd7507c CQ |
1757 | bindtextdomain(PACKAGE, LOCALEDIR); |
1758 | textdomain(PACKAGE); | |
efb8854f | 1759 | atexit(close_stdout); |
5dd7507c | 1760 | |
7afc2387 | 1761 | while ((c = getopt_long(argc, argv, "abce::hp::s:xV", longopts, NULL)) != -1) { |
8e97eb4b KZ |
1762 | |
1763 | err_exclusive_options(c, longopts, excl, excl_st); | |
1764 | ||
5dd7507c | 1765 | switch (c) { |
0ad29ff6 | 1766 | case 'a': |
7afc2387 | 1767 | mod->online = mod->offline = 1; |
7fc12cd2 | 1768 | cpu_modifier_specified = 1; |
0ad29ff6 | 1769 | break; |
23e9e95a KZ |
1770 | case 'b': |
1771 | mod->online = 1; | |
7fc12cd2 | 1772 | cpu_modifier_specified = 1; |
23e9e95a | 1773 | break; |
7afc2387 HC |
1774 | case 'c': |
1775 | mod->offline = 1; | |
7fc12cd2 | 1776 | cpu_modifier_specified = 1; |
7afc2387 | 1777 | break; |
5dd7507c | 1778 | case 'h': |
39561c70 | 1779 | usage(stdout); |
5dd7507c | 1780 | case 'p': |
ba45d8c1 | 1781 | case 'e': |
477251f8 KZ |
1782 | if (optarg) { |
1783 | if (*optarg == '=') | |
1784 | optarg++; | |
1785 | ncolumns = string_to_idarray(optarg, | |
1786 | columns, ARRAY_SIZE(columns), | |
1787 | column_name_to_id); | |
1788 | if (ncolumns < 0) | |
1789 | return EXIT_FAILURE; | |
477251f8 | 1790 | } |
ba45d8c1 | 1791 | mod->mode = c == 'p' ? OUTPUT_PARSABLE : OUTPUT_READABLE; |
5dd7507c | 1792 | break; |
47b6e8b6 | 1793 | case 's': |
ca01695b | 1794 | path_set_prefix(optarg); |
8148217b | 1795 | mod->system = SYSTEM_SNAPSHOT; |
47b6e8b6 | 1796 | break; |
4f912c6a | 1797 | case 'x': |
8005924a | 1798 | mod->hex = 1; |
4f912c6a | 1799 | break; |
44de912c | 1800 | case 'V': |
f6277500 | 1801 | printf(UTIL_LINUX_VERSION); |
44de912c | 1802 | return EXIT_SUCCESS; |
5dd7507c | 1803 | default: |
39561c70 | 1804 | usage(stderr); |
5dd7507c CQ |
1805 | } |
1806 | } | |
7bbb7829 | 1807 | |
7fc12cd2 HC |
1808 | if (cpu_modifier_specified && mod->mode == OUTPUT_SUMMARY) { |
1809 | fprintf(stderr, | |
1810 | _("%s: options --all, --online and --offline may only " | |
ac56e555 | 1811 | "be used with options --extended or --parse.\n"), |
7fc12cd2 HC |
1812 | program_invocation_short_name); |
1813 | return EXIT_FAILURE; | |
1814 | } | |
1815 | ||
7bbb7829 HC |
1816 | if (argc != optind) |
1817 | usage(stderr); | |
1818 | ||
7afc2387 HC |
1819 | /* set default cpu display mode if none was specified */ |
1820 | if (!mod->online && !mod->offline) { | |
1821 | mod->online = 1; | |
1822 | mod->offline = mod->mode == OUTPUT_READABLE ? 1 : 0; | |
1823 | } | |
5dd7507c | 1824 | |
8148217b | 1825 | read_basicinfo(desc, mod); |
5dd7507c | 1826 | |
a5cfffff | 1827 | for (i = 0; i < desc->ncpuspos; i++) { |
7e03f383 KZ |
1828 | read_topology(desc, i); |
1829 | read_cache(desc, i); | |
2b8fcb81 | 1830 | read_polarization(desc, i); |
596b8845 | 1831 | read_address(desc, i); |
d231eea1 | 1832 | read_configured(desc, i); |
44320710 | 1833 | read_max_mhz(desc, i); |
e065a597 | 1834 | read_min_mhz(desc, i); |
47b6e8b6 | 1835 | } |
7e03f383 | 1836 | |
960bf130 KZ |
1837 | if (desc->caches) |
1838 | qsort(desc->caches, desc->ncaches, | |
1839 | sizeof(struct cpu_cache), cachecmp); | |
7e03f383 KZ |
1840 | |
1841 | read_nodes(desc); | |
eff79ceb | 1842 | read_hypervisor(desc, mod); |
c8b64f6d | 1843 | |
8005924a | 1844 | switch(mod->mode) { |
ba45d8c1 KZ |
1845 | case OUTPUT_SUMMARY: |
1846 | print_summary(desc, mod); | |
1847 | break; | |
1848 | case OUTPUT_PARSABLE: | |
1849 | if (!ncolumns) { | |
1850 | columns[ncolumns++] = COL_CPU; | |
1851 | columns[ncolumns++] = COL_CORE; | |
1852 | columns[ncolumns++] = COL_SOCKET; | |
1853 | columns[ncolumns++] = COL_NODE; | |
1854 | columns[ncolumns++] = COL_CACHE; | |
1855 | mod->compat = 1; | |
1856 | } | |
1857 | print_parsable(desc, columns, ncolumns, mod); | |
1858 | break; | |
1859 | case OUTPUT_READABLE: | |
1860 | if (!ncolumns) { | |
1861 | /* No list was given. Just print whatever is there. */ | |
1862 | columns[ncolumns++] = COL_CPU; | |
1863 | if (desc->nodemaps) | |
8005924a | 1864 | columns[ncolumns++] = COL_NODE; |
ba45d8c1 KZ |
1865 | if (desc->bookmaps) |
1866 | columns[ncolumns++] = COL_BOOK; | |
1867 | if (desc->socketmaps) | |
1868 | columns[ncolumns++] = COL_SOCKET; | |
1869 | if (desc->coremaps) | |
1870 | columns[ncolumns++] = COL_CORE; | |
1871 | if (desc->caches) | |
8005924a | 1872 | columns[ncolumns++] = COL_CACHE; |
a7e5300c HC |
1873 | if (desc->online) |
1874 | columns[ncolumns++] = COL_ONLINE; | |
d231eea1 HC |
1875 | if (desc->configured) |
1876 | columns[ncolumns++] = COL_CONFIGURED; | |
ba45d8c1 KZ |
1877 | if (desc->polarization) |
1878 | columns[ncolumns++] = COL_POLARIZATION; | |
1879 | if (desc->addresses) | |
1880 | columns[ncolumns++] = COL_ADDRESS; | |
e065a597 DB |
1881 | if (desc->maxmhz) |
1882 | columns[ncolumns++] = COL_MAXMHZ; | |
1883 | if (desc->minmhz) | |
1884 | columns[ncolumns++] = COL_MINMHZ; | |
ba45d8c1 KZ |
1885 | } |
1886 | print_readable(desc, columns, ncolumns, mod); | |
1887 | break; | |
8005924a | 1888 | } |
5dd7507c | 1889 | |
cf474aac | 1890 | return EXIT_SUCCESS; |
5dd7507c | 1891 | } |