]>
Commit | Line | Data |
---|---|---|
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> | |
32865bd5 | 36 | #include <sys/personality.h> |
5dd7507c | 37 | |
6d9b1c19 KZ |
38 | #if (defined(__x86_64__) || defined(__i386__)) |
39 | # if !defined( __SANITIZE_ADDRESS__) | |
40 | # define INCLUDE_VMWARE_BDOOR | |
41 | # else | |
42 | # warning VMWARE detection disabled by __SANITIZE_ADDRESS__ | |
43 | # endif | |
b7744730 RM |
44 | #endif |
45 | ||
46 | #ifdef INCLUDE_VMWARE_BDOOR | |
47 | # include <stdint.h> | |
48 | # include <signal.h> | |
49 | # include <strings.h> | |
50 | # include <setjmp.h> | |
65322517 | 51 | # ifdef HAVE_SYS_IO_H |
b7744730 RM |
52 | # include <sys/io.h> |
53 | # endif | |
54 | #endif | |
55 | ||
bd9b94d1 SB |
56 | #if defined(HAVE_LIBRTAS) |
57 | #include <librtas.h> | |
58 | #endif | |
59 | ||
83db4eb2 OO |
60 | #include <libsmartcols.h> |
61 | ||
efb8854f | 62 | #include "closestream.h" |
41a8940d | 63 | #include "optutils.h" |
71061694 | 64 | |
fb2627ce | 65 | #include "lscpu.h" |
477251f8 | 66 | |
5dd7507c CQ |
67 | #define CACHE_MAX 100 |
68 | ||
69 | /* /sys paths */ | |
d50363cd | 70 | #define _PATH_SYS_SYSTEM "/sys/devices/system" |
6e509042 | 71 | #define _PATH_SYS_HYP_FEATURES "/sys/hypervisor/properties/features" |
7e03f383 | 72 | #define _PATH_SYS_CPU _PATH_SYS_SYSTEM "/cpu" |
e9074a16 | 73 | #define _PATH_SYS_NODE _PATH_SYS_SYSTEM "/node" |
5dd7507c | 74 | |
0ebbe9f1 DZ |
75 | /* Xen Domain feature flag used for /sys/hypervisor/properties/features */ |
76 | #define XENFEAT_supervisor_mode_kernel 3 | |
77 | #define XENFEAT_mmu_pt_update_preserve_ad 5 | |
78 | #define XENFEAT_hvm_callback_vector 8 | |
79 | ||
80 | #define XEN_FEATURES_PV_MASK (1U << XENFEAT_mmu_pt_update_preserve_ad) | |
81 | #define XEN_FEATURES_PVH_MASK ( (1U << XENFEAT_supervisor_mode_kernel) \ | |
82 | | (1U << XENFEAT_hvm_callback_vector) ) | |
83 | ||
2ba641e5 | 84 | static const char *virt_types[] = { |
c8b64f6d KZ |
85 | [VIRT_NONE] = N_("none"), |
86 | [VIRT_PARA] = N_("para"), | |
857d9cdf KZ |
87 | [VIRT_FULL] = N_("full"), |
88 | [VIRT_CONT] = N_("container"), | |
c8b64f6d KZ |
89 | }; |
90 | ||
2ba641e5 | 91 | static const char *hv_vendors[] = { |
c8b64f6d KZ |
92 | [HYPER_NONE] = NULL, |
93 | [HYPER_XEN] = "Xen", | |
94 | [HYPER_KVM] = "KVM", | |
99fbc877 | 95 | [HYPER_MSHV] = "Microsoft", |
b8ec7bdf | 96 | [HYPER_VMWARE] = "VMware", |
fb2627ce OO |
97 | [HYPER_IBM] = "IBM", |
98 | [HYPER_VSERVER] = "Linux-VServer", | |
99 | [HYPER_UML] = "User-mode Linux", | |
100 | [HYPER_INNOTEK] = "Innotek GmbH", | |
101 | [HYPER_HITACHI] = "Hitachi", | |
96ce475f RM |
102 | [HYPER_PARALLELS] = "Parallels", |
103 | [HYPER_VBOX] = "Oracle", | |
5bd31c6d RM |
104 | [HYPER_OS400] = "OS/400", |
105 | [HYPER_PHYP] = "pHyp", | |
7572fb2b SB |
106 | [HYPER_SPAR] = "Unisys s-Par", |
107 | [HYPER_WSL] = "Windows Subsystem for Linux" | |
96ce475f RM |
108 | }; |
109 | ||
2ba641e5 | 110 | static const int hv_vendor_pci[] = { |
96ce475f RM |
111 | [HYPER_NONE] = 0x0000, |
112 | [HYPER_XEN] = 0x5853, | |
113 | [HYPER_KVM] = 0x0000, | |
114 | [HYPER_MSHV] = 0x1414, | |
115 | [HYPER_VMWARE] = 0x15ad, | |
116 | [HYPER_VBOX] = 0x80ee, | |
117 | }; | |
118 | ||
2ba641e5 | 119 | static const int hv_graphics_pci[] = { |
96ce475f RM |
120 | [HYPER_NONE] = 0x0000, |
121 | [HYPER_XEN] = 0x0001, | |
122 | [HYPER_KVM] = 0x0000, | |
123 | [HYPER_MSHV] = 0x5353, | |
124 | [HYPER_VMWARE] = 0x0710, | |
125 | [HYPER_VBOX] = 0xbeef, | |
c8b64f6d KZ |
126 | }; |
127 | ||
e8aa16ee | 128 | |
a0fff77e | 129 | /* dispatching modes */ |
2ba641e5 | 130 | static const char *disp_modes[] = { |
a0fff77e HC |
131 | [DISP_HORIZONTAL] = N_("horizontal"), |
132 | [DISP_VERTICAL] = N_("vertical") | |
133 | }; | |
134 | ||
2ba641e5 | 135 | static struct polarization_modes polar_modes[] = { |
8005924a KZ |
136 | [POLAR_UNKNOWN] = {"U", "-"}, |
137 | [POLAR_VLOW] = {"VL", "vert-low"}, | |
138 | [POLAR_VMEDIUM] = {"VM", "vert-medium"}, | |
139 | [POLAR_VHIGH] = {"VH", "vert-high"}, | |
140 | [POLAR_HORIZONTAL] = {"H", "horizontal"}, | |
2b8fcb81 HC |
141 | }; |
142 | ||
7e03f383 | 143 | static int maxcpus; /* size in bits of kernel cpu mask */ |
5dd7507c | 144 | |
aac1e59e | 145 | #define is_cpu_online(_d, _cpu) \ |
a5cfffff TK |
146 | ((_d) && (_d)->online ? \ |
147 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->online) : 0) | |
148 | #define is_cpu_present(_d, _cpu) \ | |
149 | ((_d) && (_d)->present ? \ | |
150 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->present) : 0) | |
aac1e59e | 151 | |
4f642863 AT |
152 | #define real_cpu_num(_d, _i) ((_d)->idx2cpunum[(_i)]) |
153 | ||
477251f8 | 154 | /* |
3d27b76a | 155 | * IDs |
477251f8 KZ |
156 | */ |
157 | enum { | |
cc07239d KZ |
158 | COL_CPU_CPU, |
159 | COL_CPU_CORE, | |
160 | COL_CPU_SOCKET, | |
161 | COL_CPU_NODE, | |
162 | COL_CPU_BOOK, | |
163 | COL_CPU_DRAWER, | |
164 | COL_CPU_CACHE, | |
165 | COL_CPU_POLARIZATION, | |
166 | COL_CPU_ADDRESS, | |
167 | COL_CPU_CONFIGURED, | |
168 | COL_CPU_ONLINE, | |
169 | COL_CPU_MAXMHZ, | |
170 | COL_CPU_MINMHZ, | |
477251f8 KZ |
171 | }; |
172 | ||
0e86bc84 KZ |
173 | enum { |
174 | COL_CACHE_ALLSIZE, | |
175 | COL_CACHE_LEVEL, | |
176 | COL_CACHE_NAME, | |
177 | COL_CACHE_ONESIZE, | |
178 | COL_CACHE_TYPE, | |
179 | COL_CACHE_WAYS, | |
180 | }; | |
181 | ||
182 | ||
3d27b76a KZ |
183 | /* column description |
184 | */ | |
185 | struct lscpu_coldesc { | |
186 | const char *name; | |
187 | const char *help; | |
188 | ||
0e86bc84 | 189 | int flags; |
3d27b76a | 190 | unsigned int is_abbr:1; /* name is abbreviation */ |
477251f8 KZ |
191 | }; |
192 | ||
cc07239d | 193 | static struct lscpu_coldesc coldescs_cpu[] = |
3d27b76a | 194 | { |
2ec00a10 KZ |
195 | [COL_CPU_CPU] = { "CPU", N_("logical CPU number"), SCOLS_FL_RIGHT, 1 }, |
196 | [COL_CPU_CORE] = { "CORE", N_("logical core number"), SCOLS_FL_RIGHT }, | |
197 | [COL_CPU_SOCKET] = { "SOCKET", N_("logical socket number"), SCOLS_FL_RIGHT }, | |
198 | [COL_CPU_NODE] = { "NODE", N_("logical NUMA node number"), SCOLS_FL_RIGHT }, | |
199 | [COL_CPU_BOOK] = { "BOOK", N_("logical book number"), SCOLS_FL_RIGHT }, | |
200 | [COL_CPU_DRAWER] = { "DRAWER", N_("logical drawer number"), SCOLS_FL_RIGHT }, | |
cc07239d KZ |
201 | [COL_CPU_CACHE] = { "CACHE", N_("shows how caches are shared between CPUs") }, |
202 | [COL_CPU_POLARIZATION] = { "POLARIZATION", N_("CPU dispatching mode on virtual hardware") }, | |
203 | [COL_CPU_ADDRESS] = { "ADDRESS", N_("physical address of a CPU") }, | |
204 | [COL_CPU_CONFIGURED] = { "CONFIGURED", N_("shows if the hypervisor has allocated the CPU") }, | |
2ec00a10 KZ |
205 | [COL_CPU_ONLINE] = { "ONLINE", N_("shows if Linux currently makes use of the CPU"), SCOLS_FL_RIGHT }, |
206 | [COL_CPU_MAXMHZ] = { "MAXMHZ", N_("shows the maximum MHz of the CPU"), SCOLS_FL_RIGHT }, | |
207 | [COL_CPU_MINMHZ] = { "MINMHZ", N_("shows the minimum MHz of the CPU"), SCOLS_FL_RIGHT } | |
0e86bc84 KZ |
208 | }; |
209 | ||
210 | static struct lscpu_coldesc coldescs_cache[] = | |
211 | { | |
212 | [COL_CACHE_ALLSIZE] = { "ALL-SIZE", N_("size of all system caches"), SCOLS_FL_RIGHT }, | |
213 | [COL_CACHE_LEVEL] = { "LEVEL", N_("cache level"), SCOLS_FL_RIGHT }, | |
214 | [COL_CACHE_NAME] = { "NAME", N_("cache name") }, | |
215 | [COL_CACHE_ONESIZE] = { "ONE-SIZE", N_("size of one cache"), SCOLS_FL_RIGHT }, | |
216 | [COL_CACHE_TYPE] = { "TYPE", N_("cache type") }, | |
217 | [COL_CACHE_WAYS] = { "WAYS", N_("ways of associativity"), SCOLS_FL_RIGHT } | |
3d27b76a | 218 | }; |
477251f8 | 219 | |
0e86bc84 KZ |
220 | |
221 | static int get_cache_full_size(struct lscpu_desc *desc, struct cpu_cache *ca, uint64_t *res); | |
222 | ||
583f14cc | 223 | static int |
cc07239d | 224 | cpu_column_name_to_id(const char *name, size_t namesz) |
477251f8 | 225 | { |
329fd1c3 | 226 | size_t i; |
477251f8 | 227 | |
cc07239d KZ |
228 | for (i = 0; i < ARRAY_SIZE(coldescs_cpu); i++) { |
229 | const char *cn = coldescs_cpu[i].name; | |
477251f8 KZ |
230 | |
231 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
232 | return i; | |
233 | } | |
234 | warnx(_("unknown column: %s"), name); | |
235 | return -1; | |
236 | } | |
237 | ||
0e86bc84 KZ |
238 | static int |
239 | cache_column_name_to_id(const char *name, size_t namesz) | |
240 | { | |
241 | size_t i; | |
242 | ||
243 | for (i = 0; i < ARRAY_SIZE(coldescs_cache); i++) { | |
244 | const char *cn = coldescs_cache[i].name; | |
245 | ||
246 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
247 | return i; | |
248 | } | |
249 | warnx(_("unknown column: %s"), name); | |
250 | return -1; | |
251 | } | |
252 | ||
5dd7507c CQ |
253 | /* Lookup a pattern and get the value from cpuinfo. |
254 | * Format is: | |
255 | * | |
256 | * "<pattern> : <key>" | |
257 | */ | |
583f14cc KZ |
258 | static int |
259 | lookup(char *line, char *pattern, char **value) | |
5dd7507c CQ |
260 | { |
261 | char *p, *v; | |
262 | int len = strlen(pattern); | |
263 | ||
e5fc6d6f RM |
264 | /* don't re-fill already found tags, first one wins */ |
265 | if (!*line || *value) | |
5dd7507c CQ |
266 | return 0; |
267 | ||
268 | /* pattern */ | |
269 | if (strncmp(line, pattern, len)) | |
270 | return 0; | |
271 | ||
272 | /* white spaces */ | |
273 | for (p = line + len; isspace(*p); p++); | |
274 | ||
275 | /* separator */ | |
276 | if (*p != ':') | |
277 | return 0; | |
278 | ||
279 | /* white spaces */ | |
280 | for (++p; isspace(*p); p++); | |
281 | ||
282 | /* value */ | |
283 | if (!*p) | |
284 | return 0; | |
285 | v = p; | |
286 | ||
287 | /* end of value */ | |
288 | len = strlen(line) - 1; | |
289 | for (p = line + len; isspace(*(p-1)); p--); | |
290 | *p = '\0'; | |
291 | ||
292 | *value = xstrdup(v); | |
293 | return 1; | |
294 | } | |
295 | ||
28b1658f HC |
296 | /* Parse extra cache lines contained within /proc/cpuinfo but which are not |
297 | * part of the cache topology information within the sysfs filesystem. | |
298 | * This is true for all shared caches on e.g. s390. When there are layers of | |
299 | * hypervisors in between it is not knows which CPUs share which caches. | |
300 | * Therefore information about shared caches is only available in | |
301 | * /proc/cpuinfo. | |
302 | * Format is: | |
303 | * "cache<nr> : level=<lvl> type=<type> scope=<scope> size=<size> line_size=<lsz> associativity=<as>" | |
304 | */ | |
305 | static int | |
306 | lookup_cache(char *line, struct lscpu_desc *desc) | |
307 | { | |
308 | struct cpu_cache *cache; | |
309 | long long size; | |
310 | char *p, type; | |
311 | int level; | |
312 | ||
313 | /* Make sure line starts with "cache<nr> :" */ | |
314 | if (strncmp(line, "cache", 5)) | |
315 | return 0; | |
316 | for (p = line + 5; isdigit(*p); p++); | |
317 | for (; isspace(*p); p++); | |
318 | if (*p != ':') | |
319 | return 0; | |
320 | ||
321 | p = strstr(line, "scope=") + 6; | |
322 | /* Skip private caches, also present in sysfs */ | |
323 | if (!p || strncmp(p, "Private", 7) == 0) | |
324 | return 0; | |
325 | p = strstr(line, "level="); | |
81a307bd KZ |
326 | if (!p || sscanf(p, "level=%d", &level) != 1) |
327 | return 0; | |
28b1658f | 328 | p = strstr(line, "type=") + 5; |
81a307bd KZ |
329 | if (!p || !*p) |
330 | return 0; | |
28b1658f HC |
331 | type = 0; |
332 | if (strncmp(p, "Data", 4) == 0) | |
333 | type = 'd'; | |
0e86bc84 | 334 | else if (strncmp(p, "Instruction", 11) == 0) |
28b1658f | 335 | type = 'i'; |
0e86bc84 KZ |
336 | else if (strncmp(p, "Unified", 7) == 0) |
337 | type = 'u'; | |
28b1658f | 338 | p = strstr(line, "size="); |
81a307bd KZ |
339 | if (!p || sscanf(p, "size=%lld", &size) != 1) |
340 | return 0; | |
341 | ||
28b1658f HC |
342 | desc->necaches++; |
343 | desc->ecaches = xrealloc(desc->ecaches, | |
344 | desc->necaches * sizeof(struct cpu_cache)); | |
345 | cache = &desc->ecaches[desc->necaches - 1]; | |
346 | memset(cache, 0 , sizeof(*cache)); | |
0e86bc84 KZ |
347 | |
348 | if (type == 'i' || type == 'd') | |
28b1658f HC |
349 | xasprintf(&cache->name, "L%d%c", level, type); |
350 | else | |
351 | xasprintf(&cache->name, "L%d", level); | |
0e86bc84 KZ |
352 | |
353 | cache->level = level; | |
354 | cache->size = size * 1024; | |
355 | ||
356 | cache->type = type == 'i' ? xstrdup("Instruction") : | |
357 | type == 'd' ? xstrdup("Data") : | |
358 | type == 'u' ? xstrdup("Unified") : NULL; | |
28b1658f HC |
359 | return 1; |
360 | } | |
361 | ||
f633ad4e KZ |
362 | /* Don't init the mode for platforms where we are not able to |
363 | * detect that CPU supports 64-bit mode. | |
364 | */ | |
365 | static int | |
8148217b | 366 | init_mode(struct lscpu_modifier *mod) |
f633ad4e KZ |
367 | { |
368 | int m = 0; | |
369 | ||
8148217b | 370 | if (mod->system == SYSTEM_SNAPSHOT) |
4e740fd8 KZ |
371 | /* reading info from any /{sys,proc} dump, don't mix it with |
372 | * information about our real CPU */ | |
373 | return 0; | |
374 | ||
f633ad4e KZ |
375 | #if defined(__alpha__) || defined(__ia64__) |
376 | m |= MODE_64BIT; /* 64bit platforms only */ | |
377 | #endif | |
378 | /* platforms with 64bit flag in /proc/cpuinfo, define | |
379 | * 32bit default here */ | |
380 | #if defined(__i386__) || defined(__x86_64__) || \ | |
c487c90c | 381 | defined(__s390x__) || defined(__s390__) || defined(__sparc_v9__) |
f633ad4e KZ |
382 | m |= MODE_32BIT; |
383 | #endif | |
32865bd5 JL |
384 | |
385 | #if defined(__aarch64__) | |
386 | { | |
387 | /* personality() is the most reliable way (since 4.7) | |
388 | * to determine aarch32 support */ | |
389 | int pers = personality(PER_LINUX32); | |
390 | if (pers != -1) { | |
391 | personality(pers); | |
392 | m |= MODE_32BIT; | |
393 | } | |
394 | m |= MODE_64BIT; | |
395 | } | |
396 | #endif | |
f633ad4e KZ |
397 | return m; |
398 | } | |
399 | ||
bd9b94d1 SB |
400 | #if defined(HAVE_LIBRTAS) |
401 | #define PROCESSOR_MODULE_INFO 43 | |
402 | static int strbe16toh(const char *buf, int offset) | |
403 | { | |
404 | return (buf[offset] << 8) + buf[offset+1]; | |
405 | } | |
406 | ||
407 | static void read_physical_info_powerpc(struct lscpu_desc *desc) | |
408 | { | |
409 | char buf[BUFSIZ]; | |
410 | int rc, len, ntypes; | |
411 | ||
412 | desc->physsockets = desc->physchips = desc->physcoresperchip = 0; | |
413 | ||
414 | rc = rtas_get_sysparm(PROCESSOR_MODULE_INFO, sizeof(buf), buf); | |
415 | if (rc < 0) | |
416 | return; | |
417 | ||
418 | len = strbe16toh(buf, 0); | |
419 | if (len < 8) | |
420 | return; | |
421 | ||
422 | ntypes = strbe16toh(buf, 2); | |
423 | ||
424 | assert(ntypes <= 1); | |
425 | if (!ntypes) | |
426 | return; | |
427 | ||
428 | desc->physsockets = strbe16toh(buf, 4); | |
429 | desc->physchips = strbe16toh(buf, 6); | |
430 | desc->physcoresperchip = strbe16toh(buf, 8); | |
431 | } | |
432 | #else | |
433 | static void read_physical_info_powerpc( | |
434 | struct lscpu_desc *desc __attribute__((__unused__))) | |
435 | { | |
436 | } | |
437 | #endif | |
438 | ||
744d62ee | 439 | |
5dd7507c | 440 | static void |
8148217b | 441 | read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 442 | { |
6e509042 | 443 | FILE *fp; |
5dd7507c CQ |
444 | char buf[BUFSIZ]; |
445 | struct utsname utsbuf; | |
a5cfffff | 446 | size_t setsize; |
6e509042 | 447 | cpu_set_t *cpuset = NULL; |
5dd7507c CQ |
448 | |
449 | /* architecture */ | |
450 | if (uname(&utsbuf) == -1) | |
451 | err(EXIT_FAILURE, _("error: uname failed")); | |
6e509042 KZ |
452 | |
453 | fp = ul_path_fopen(desc->procfs, "r", "cpuinfo"); | |
454 | if (!fp) | |
455 | err(EXIT_FAILURE, _("cannot open %s"), "/proc/cpuinfo"); | |
e8aa16ee | 456 | desc->arch = xstrdup(utsbuf.machine); |
5dd7507c | 457 | |
5dd7507c CQ |
458 | /* details */ |
459 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
e8aa16ee KZ |
460 | if (lookup(buf, "vendor", &desc->vendor)) ; |
461 | else if (lookup(buf, "vendor_id", &desc->vendor)) ; | |
744d62ee | 462 | else if (lookup(buf, "CPU implementer", &desc->vendor)) ; /* ARM and aarch64 */ |
e8aa16ee KZ |
463 | else if (lookup(buf, "family", &desc->family)) ; |
464 | else if (lookup(buf, "cpu family", &desc->family)) ; | |
86c4817e | 465 | else if (lookup(buf, "model", &desc->model)) ; |
744d62ee | 466 | else if (lookup(buf, "CPU part", &desc->model)) ; /* ARM and aarch64 */ |
86c4817e | 467 | else if (lookup(buf, "model name", &desc->modelname)) ; |
e8aa16ee | 468 | else if (lookup(buf, "stepping", &desc->stepping)) ; |
744d62ee | 469 | else if (lookup(buf, "CPU variant", &desc->stepping)) ; /* aarch64 */ |
e8aa16ee | 470 | else if (lookup(buf, "cpu MHz", &desc->mhz)) ; |
4632b288 HC |
471 | else if (lookup(buf, "cpu MHz dynamic", &desc->dynamic_mhz)) ; /* s390 */ |
472 | else if (lookup(buf, "cpu MHz static", &desc->static_mhz)) ; /* s390 */ | |
f633ad4e KZ |
473 | else if (lookup(buf, "flags", &desc->flags)) ; /* x86 */ |
474 | else if (lookup(buf, "features", &desc->flags)) ; /* s390 */ | |
a3c455ac | 475 | else if (lookup(buf, "Features", &desc->flags)) ; /* aarch64 */ |
c487c90c | 476 | else if (lookup(buf, "type", &desc->flags)) ; /* sparc64 */ |
9b8d4d5f | 477 | else if (lookup(buf, "bogomips", &desc->bogomips)) ; |
a3c455ac | 478 | else if (lookup(buf, "BogoMIPS", &desc->bogomips)) ; /* aarch64 */ |
abcd6368 | 479 | else if (lookup(buf, "bogomips per cpu", &desc->bogomips)) ; /* s390 */ |
c95e3889 RM |
480 | else if (lookup(buf, "cpu", &desc->cpu)) ; |
481 | else if (lookup(buf, "revision", &desc->revision)) ; | |
a3c455ac | 482 | else if (lookup(buf, "CPU revision", &desc->revision)) ; /* aarch64 */ |
2c497d32 | 483 | else if (lookup(buf, "max thread id", &desc->mtid)) ; /* s390 */ |
3e48ef72 | 484 | else if (lookup(buf, "address sizes", &desc->addrsz)) ; /* x86 */ |
28b1658f | 485 | else if (lookup_cache(buf, desc)) ; |
5dd7507c CQ |
486 | else |
487 | continue; | |
488 | } | |
c8b64f6d | 489 | |
8148217b | 490 | desc->mode = init_mode(mod); |
f633ad4e | 491 | |
e8aa16ee KZ |
492 | if (desc->flags) { |
493 | snprintf(buf, sizeof(buf), " %s ", desc->flags); | |
c8b64f6d | 494 | if (strstr(buf, " svm ")) |
8290a249 | 495 | desc->virtflag = xstrdup("svm"); |
c8b64f6d | 496 | else if (strstr(buf, " vmx ")) |
8290a249 | 497 | desc->virtflag = xstrdup("vmx"); |
79e8b41a | 498 | if (strstr(buf, " lm ")) |
f633ad4e KZ |
499 | desc->mode |= MODE_32BIT | MODE_64BIT; /* x86_64 */ |
500 | if (strstr(buf, " zarch ")) | |
501 | desc->mode |= MODE_32BIT | MODE_64BIT; /* s390x */ | |
c487c90c KZ |
502 | if (strstr(buf, " sun4v ") || strstr(buf, " sun4u ")) |
503 | desc->mode |= MODE_32BIT | MODE_64BIT; /* sparc64 */ | |
c8b64f6d KZ |
504 | } |
505 | ||
4581b716 KZ |
506 | if (desc->arch && mod->system != SYSTEM_SNAPSHOT) { |
507 | if (strcmp(desc->arch, "ppc64") == 0) | |
508 | desc->mode |= MODE_32BIT | MODE_64BIT; | |
509 | else if (strcmp(desc->arch, "ppc") == 0) | |
510 | desc->mode |= MODE_32BIT; | |
511 | } | |
512 | ||
5dd7507c | 513 | fclose(fp); |
7e03f383 | 514 | |
6e509042 | 515 | if (ul_path_read_s32(desc->syscpu, &maxcpus, "kernel_max") == 0) |
3d6e5c35 | 516 | /* note that kernel_max is maximum index [NR_CPUS-1] */ |
6e509042 | 517 | maxcpus += 1; |
7e03f383 | 518 | |
8148217b | 519 | else if (mod->system == SYSTEM_LIVE) |
7e03f383 KZ |
520 | /* the root is '/' so we are working with data from the current kernel */ |
521 | maxcpus = get_max_number_of_cpus(); | |
701e2b8e KZ |
522 | |
523 | if (maxcpus <= 0) | |
524 | /* error or we are reading some /sys snapshot instead of the | |
525 | * real /sys, let's use any crazy number... */ | |
a5cfffff TK |
526 | maxcpus = 2048; |
527 | ||
528 | setsize = CPU_ALLOC_SIZE(maxcpus); | |
529 | ||
6e509042 | 530 | if (ul_path_readf_cpulist(desc->syscpu, &cpuset, maxcpus, "possible") == 0) { |
4f642863 AT |
531 | int num, idx; |
532 | ||
6e509042 | 533 | desc->ncpuspos = CPU_COUNT_S(setsize, cpuset); |
4f642863 AT |
534 | desc->idx2cpunum = xcalloc(desc->ncpuspos, sizeof(int)); |
535 | ||
536 | for (num = 0, idx = 0; num < maxcpus; num++) { | |
6e509042 | 537 | if (CPU_ISSET_S(num, setsize, cpuset)) |
4f642863 AT |
538 | desc->idx2cpunum[idx++] = num; |
539 | } | |
6e509042 KZ |
540 | cpuset_free(cpuset); |
541 | cpuset = NULL; | |
a5cfffff TK |
542 | } else |
543 | err(EXIT_FAILURE, _("failed to determine number of CPUs: %s"), | |
1d56b55e | 544 | _PATH_SYS_CPU "/possible"); |
a5cfffff TK |
545 | |
546 | ||
547 | /* get mask for present CPUs */ | |
6e509042 | 548 | if (ul_path_readf_cpulist(desc->syscpu, &desc->present, maxcpus, "present") == 0) |
a5cfffff | 549 | desc->ncpus = CPU_COUNT_S(setsize, desc->present); |
aac1e59e KZ |
550 | |
551 | /* get mask for online CPUs */ | |
6e509042 | 552 | if (ul_path_readf_cpulist(desc->syscpu, &desc->online, maxcpus, "online") == 0) |
e282eec2 | 553 | desc->nthreads = CPU_COUNT_S(setsize, desc->online); |
a0fff77e HC |
554 | |
555 | /* get dispatching mode */ | |
6e509042 | 556 | if (ul_path_read_s32(desc->syscpu, &desc->dispatching, "dispatching") != 0) |
a0fff77e | 557 | desc->dispatching = -1; |
bd9b94d1 | 558 | |
16ca0551 KZ |
559 | /* get cpufreq boost mode */ |
560 | if (ul_path_read_s32(desc->syscpu, &desc->freqboost, "cpufreq/boost") != 0) | |
561 | desc->freqboost = -1; | |
562 | ||
bd9b94d1 SB |
563 | if (mod->system == SYSTEM_LIVE) |
564 | read_physical_info_powerpc(desc); | |
0c28f0c8 | 565 | |
6e509042 | 566 | if ((fp = ul_path_fopen(desc->procfs, "r", "sysinfo"))) { |
904ffe1f | 567 | while (fgets(buf, sizeof(buf), fp) != NULL && !desc->machinetype) |
0c28f0c8 | 568 | lookup(buf, "Type", &desc->machinetype); |
904ffe1f | 569 | fclose(fp); |
0c28f0c8 | 570 | } |
5dd7507c CQ |
571 | } |
572 | ||
c8b64f6d | 573 | static int |
6e509042 | 574 | has_pci_device(struct lscpu_desc *desc, unsigned int vendor, unsigned int device) |
c8b64f6d KZ |
575 | { |
576 | FILE *f; | |
13cf6fc8 | 577 | unsigned int num, fn, ven, dev; |
c8b64f6d KZ |
578 | int res = 1; |
579 | ||
6e509042 | 580 | f = ul_path_fopen(desc->procfs, "r", "bus/pci/devices"); |
c8b64f6d KZ |
581 | if (!f) |
582 | return 0; | |
583 | ||
584 | /* for more details about bus/pci/devices format see | |
585 | * drivers/pci/proc.c in linux kernel | |
586 | */ | |
587 | while(fscanf(f, "%02x%02x\t%04x%04x\t%*[^\n]", | |
588 | &num, &fn, &ven, &dev) == 4) { | |
589 | ||
590 | if (ven == vendor && dev == device) | |
591 | goto found; | |
592 | } | |
593 | ||
594 | res = 0; | |
595 | found: | |
596 | fclose(f); | |
597 | return res; | |
598 | } | |
599 | ||
600 | #if defined(__x86_64__) || defined(__i386__) | |
601 | ||
602 | /* | |
603 | * This CPUID leaf returns the information about the hypervisor. | |
604 | * EAX : maximum input value for CPUID supported by the hypervisor. | |
605 | * EBX, ECX, EDX : Hypervisor vendor ID signature. E.g. VMwareVMware. | |
606 | */ | |
607 | #define HYPERVISOR_INFO_LEAF 0x40000000 | |
608 | ||
609 | static inline void | |
610 | cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, | |
611 | unsigned int *ecx, unsigned int *edx) | |
612 | { | |
c9239f23 MF |
613 | __asm__( |
614 | #if defined(__PIC__) && defined(__i386__) | |
615 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
7845b91d | 616 | "xchg %%ebx, %%esi;" |
c9239f23 | 617 | "cpuid;" |
7845b91d | 618 | "xchg %%esi, %%ebx;" |
c9239f23 MF |
619 | : "=S" (*ebx), |
620 | #else | |
621 | "cpuid;" | |
622 | : "=b" (*ebx), | |
623 | #endif | |
624 | "=a" (*eax), | |
c8b64f6d KZ |
625 | "=c" (*ecx), |
626 | "=d" (*edx) | |
bc54770d | 627 | : "1" (op), "c"(0)); |
c8b64f6d KZ |
628 | } |
629 | ||
630 | static void | |
e8aa16ee | 631 | read_hypervisor_cpuid(struct lscpu_desc *desc) |
c8b64f6d KZ |
632 | { |
633 | unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0; | |
634 | char hyper_vendor_id[13]; | |
635 | ||
636 | memset(hyper_vendor_id, 0, sizeof(hyper_vendor_id)); | |
637 | ||
638 | cpuid(HYPERVISOR_INFO_LEAF, &eax, &ebx, &ecx, &edx); | |
639 | memcpy(hyper_vendor_id + 0, &ebx, 4); | |
640 | memcpy(hyper_vendor_id + 4, &ecx, 4); | |
641 | memcpy(hyper_vendor_id + 8, &edx, 4); | |
642 | hyper_vendor_id[12] = '\0'; | |
643 | ||
644 | if (!hyper_vendor_id[0]) | |
645 | return; | |
646 | ||
647 | if (!strncmp("XenVMMXenVMM", hyper_vendor_id, 12)) | |
e8aa16ee | 648 | desc->hyper = HYPER_XEN; |
c8b64f6d | 649 | else if (!strncmp("KVMKVMKVM", hyper_vendor_id, 9)) |
e8aa16ee | 650 | desc->hyper = HYPER_KVM; |
c8b64f6d | 651 | else if (!strncmp("Microsoft Hv", hyper_vendor_id, 12)) |
e8aa16ee | 652 | desc->hyper = HYPER_MSHV; |
99fbc877 SH |
653 | else if (!strncmp("VMwareVMware", hyper_vendor_id, 12)) |
654 | desc->hyper = HYPER_VMWARE; | |
4597b692 BR |
655 | else if (!strncmp("UnisysSpar64", hyper_vendor_id, 12)) |
656 | desc->hyper = HYPER_SPAR; | |
c8b64f6d KZ |
657 | } |
658 | ||
b7744730 | 659 | #else /* ! (__x86_64__ || __i386__) */ |
c8b64f6d | 660 | static void |
6d791b4c | 661 | read_hypervisor_cpuid(struct lscpu_desc *desc __attribute__((__unused__))) |
c8b64f6d KZ |
662 | { |
663 | } | |
664 | #endif | |
665 | ||
6e509042 | 666 | static int is_devtree_compatible(struct lscpu_desc *desc, const char *str) |
3565bd7a | 667 | { |
6e509042 | 668 | FILE *fd = ul_path_fopen(desc->procfs, "r", "device-tree/compatible"); |
3565bd7a | 669 | |
3565bd7a KZ |
670 | if (fd) { |
671 | char buf[256]; | |
672 | size_t i, len; | |
673 | ||
674 | memset(buf, 0, sizeof(buf)); | |
675 | len = fread(buf, 1, sizeof(buf) - 1, fd); | |
676 | fclose(fd); | |
677 | ||
678 | for (i = 0; i < len;) { | |
679 | if (!strcmp(&buf[i], str)) | |
680 | return 1; | |
681 | i += strlen(&buf[i]); | |
682 | i++; | |
683 | } | |
684 | } | |
685 | ||
686 | return 0; | |
687 | } | |
688 | ||
5bd31c6d RM |
689 | static int |
690 | read_hypervisor_powerpc(struct lscpu_desc *desc) | |
691 | { | |
692 | assert(!desc->hyper); | |
693 | ||
79738105 | 694 | /* IBM iSeries: legacy, para-virtualized on top of OS/400 */ |
6e509042 | 695 | if (ul_path_access(desc->procfs, F_OK, "iSeries") == 0) { |
5bd31c6d RM |
696 | desc->hyper = HYPER_OS400; |
697 | desc->virtype = VIRT_PARA; | |
79738105 KZ |
698 | |
699 | /* PowerNV (POWER Non-Virtualized, bare-metal) */ | |
6e509042 | 700 | } else if (is_devtree_compatible(desc, "ibm,powernv")) { |
e03b613e KZ |
701 | desc->hyper = HYPER_NONE; |
702 | desc->virtype = VIRT_NONE; | |
79738105 | 703 | |
d45984be | 704 | /* PowerVM (IBM's proprietary hypervisor, aka pHyp) */ |
6e509042 KZ |
705 | } else if (ul_path_access(desc->procfs, F_OK, "device-tree/ibm,partition-name") == 0 |
706 | && ul_path_access(desc->procfs, F_OK, "device-tree/hmc-managed?") == 0 | |
707 | && ul_path_access(desc->procfs, F_OK, "device-tree/chosen/qemu,graphic-width") != 0) { | |
708 | ||
5bd31c6d RM |
709 | FILE *fd; |
710 | desc->hyper = HYPER_PHYP; | |
711 | desc->virtype = VIRT_PARA; | |
6e509042 KZ |
712 | |
713 | fd = ul_path_fopen(desc->procfs, "r", "device-tree/ibm,partition-name"); | |
5bd31c6d RM |
714 | if (fd) { |
715 | char buf[256]; | |
6cbf75e5 | 716 | if (fscanf(fd, "%255s", buf) == 1 && !strcmp(buf, "full")) |
5bd31c6d RM |
717 | desc->virtype = VIRT_NONE; |
718 | fclose(fd); | |
719 | } | |
79738105 KZ |
720 | |
721 | /* Qemu */ | |
6e509042 | 722 | } else if (is_devtree_compatible(desc, "qemu,pseries")) { |
e03b613e KZ |
723 | desc->hyper = HYPER_KVM; |
724 | desc->virtype = VIRT_PARA; | |
5bd31c6d | 725 | } |
5bd31c6d RM |
726 | return desc->hyper; |
727 | } | |
728 | ||
b7744730 RM |
729 | #ifdef INCLUDE_VMWARE_BDOOR |
730 | ||
731 | #define VMWARE_BDOOR_MAGIC 0x564D5868 | |
732 | #define VMWARE_BDOOR_PORT 0x5658 | |
733 | #define VMWARE_BDOOR_CMD_GETVERSION 10 | |
734 | ||
77242032 | 735 | static UL_ASAN_BLACKLIST |
7845b91d MF |
736 | void vmware_bdoor(uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) |
737 | { | |
738 | __asm__( | |
739 | #if defined(__PIC__) && defined(__i386__) | |
740 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
741 | "xchg %%ebx, %%esi;" | |
742 | "inl (%%dx), %%eax;" | |
743 | "xchg %%esi, %%ebx;" | |
744 | : "=S" (*ebx), | |
745 | #else | |
746 | "inl (%%dx), %%eax;" | |
747 | : "=b" (*ebx), | |
748 | #endif | |
749 | "=a" (*eax), | |
750 | "=c" (*ecx), | |
751 | "=d" (*edx) | |
752 | : "0" (VMWARE_BDOOR_MAGIC), | |
753 | "1" (VMWARE_BDOOR_CMD_GETVERSION), | |
754 | "2" (VMWARE_BDOOR_PORT), | |
755 | "3" (0) | |
756 | : "memory"); | |
757 | } | |
b7744730 RM |
758 | |
759 | static jmp_buf segv_handler_env; | |
760 | ||
761 | static void | |
762 | segv_handler(__attribute__((__unused__)) int sig, | |
763 | __attribute__((__unused__)) siginfo_t *info, | |
764 | __attribute__((__unused__)) void *ignored) | |
765 | { | |
766 | siglongjmp(segv_handler_env, 1); | |
767 | } | |
768 | ||
769 | static int | |
770 | is_vmware_platform(void) | |
771 | { | |
772 | uint32_t eax, ebx, ecx, edx; | |
773 | struct sigaction act, oact; | |
774 | ||
b5d61108 KZ |
775 | /* |
776 | * FIXME: Not reliable for non-root users. Note it works as expected if | |
777 | * vmware_bdoor() is not optimized for PIE, but then it fails to build | |
778 | * on 32bit x86 systems. See lscpu git log for more details (commit | |
779 | * 7845b91dbc7690064a2be6df690e4aaba728fb04). kzak [3-Nov-2016] | |
780 | */ | |
781 | if (getuid() != 0) | |
782 | return 0; | |
783 | ||
b7744730 RM |
784 | /* |
785 | * The assembly routine for vmware detection works | |
786 | * fine under vmware, even if ran as regular user. But | |
787 | * on real HW or under other hypervisors, it segfaults (which is | |
788 | * expected). So we temporarily install SIGSEGV handler to catch | |
789 | * the signal. All this magic is needed because lscpu | |
790 | * isn't supposed to require root privileges. | |
791 | */ | |
792 | if (sigsetjmp(segv_handler_env, 1)) | |
793 | return 0; | |
794 | ||
9dd2d497 | 795 | memset(&act, 0, sizeof(act)); |
b7744730 RM |
796 | act.sa_sigaction = segv_handler; |
797 | act.sa_flags = SA_SIGINFO; | |
798 | ||
799 | if (sigaction(SIGSEGV, &act, &oact)) | |
223939d9 | 800 | err(EXIT_FAILURE, _("cannot set signal handler")); |
b7744730 | 801 | |
7845b91d | 802 | vmware_bdoor(&eax, &ebx, &ecx, &edx); |
b7744730 RM |
803 | |
804 | if (sigaction(SIGSEGV, &oact, NULL)) | |
223939d9 | 805 | err(EXIT_FAILURE, _("cannot restore signal handler")); |
b7744730 RM |
806 | |
807 | return eax != (uint32_t)-1 && ebx == VMWARE_BDOOR_MAGIC; | |
808 | } | |
809 | ||
810 | #else /* ! INCLUDE_VMWARE_BDOOR */ | |
811 | ||
812 | static int | |
813 | is_vmware_platform(void) | |
814 | { | |
815 | return 0; | |
816 | } | |
817 | ||
818 | #endif /* INCLUDE_VMWARE_BDOOR */ | |
819 | ||
c8b64f6d | 820 | static void |
eff79ceb | 821 | read_hypervisor(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
c8b64f6d | 822 | { |
fb2627ce OO |
823 | FILE *fd; |
824 | ||
7572fb2b SB |
825 | /* We have to detect WSL first. is_vmware_platform() crashes on Windows 10. */ |
826 | ||
6e509042 | 827 | if ((fd = ul_path_fopen(desc->procfs, "r", "sys/kernel/osrelease"))) { |
7572fb2b SB |
828 | char buf[256]; |
829 | ||
830 | if (fgets(buf, sizeof(buf), fd) != NULL) { | |
831 | if (strstr(buf, "Microsoft")) { | |
832 | desc->hyper = HYPER_WSL; | |
833 | desc->virtype = VIRT_CONT; | |
834 | } | |
835 | } | |
836 | fclose(fd); | |
837 | if (desc->virtype) | |
838 | return; | |
839 | } | |
840 | ||
fb2627ce | 841 | if (mod->system != SYSTEM_SNAPSHOT) { |
eff79ceb | 842 | read_hypervisor_cpuid(desc); |
fb2627ce OO |
843 | if (!desc->hyper) |
844 | desc->hyper = read_hypervisor_dmi(); | |
b7744730 RM |
845 | if (!desc->hyper && is_vmware_platform()) |
846 | desc->hyper = HYPER_VMWARE; | |
fb2627ce | 847 | } |
c8b64f6d | 848 | |
0ebbe9f1 | 849 | if (desc->hyper) { |
e8aa16ee | 850 | desc->virtype = VIRT_FULL; |
c8b64f6d | 851 | |
b4d1fbda | 852 | if (desc->hyper == HYPER_XEN) { |
0ebbe9f1 DZ |
853 | uint32_t features; |
854 | ||
6e509042 KZ |
855 | fd = ul_prefix_fopen(desc->prefix, "r", _PATH_SYS_HYP_FEATURES); |
856 | ||
0ebbe9f1 DZ |
857 | if (fd && fscanf(fd, "%x", &features) == 1) { |
858 | /* Xen PV domain */ | |
859 | if (features & XEN_FEATURES_PV_MASK) | |
860 | desc->virtype = VIRT_PARA; | |
861 | /* Xen PVH domain */ | |
862 | else if ((features & XEN_FEATURES_PVH_MASK) | |
863 | == XEN_FEATURES_PVH_MASK) | |
864 | desc->virtype = VIRT_PARA; | |
0ebbe9f1 | 865 | } |
d29b7ced KZ |
866 | if (fd) |
867 | fclose(fd); | |
0ebbe9f1 DZ |
868 | } |
869 | } else if (read_hypervisor_powerpc(desc) > 0) {} | |
5bd31c6d | 870 | |
fb2627ce | 871 | /* Xen para-virt or dom0 */ |
6e509042 | 872 | else if (ul_path_access(desc->procfs, F_OK, "xen") == 0) { |
c8b64f6d KZ |
873 | int dom0 = 0; |
874 | ||
6e509042 | 875 | fd = ul_path_fopen(desc->procfs, "r", "xen/capabilities"); |
c8b64f6d KZ |
876 | if (fd) { |
877 | char buf[256]; | |
878 | ||
6cbf75e5 | 879 | if (fscanf(fd, "%255s", buf) == 1 && |
c8b64f6d KZ |
880 | !strcmp(buf, "control_d")) |
881 | dom0 = 1; | |
882 | fclose(fd); | |
883 | } | |
e8aa16ee KZ |
884 | desc->virtype = dom0 ? VIRT_NONE : VIRT_PARA; |
885 | desc->hyper = HYPER_XEN; | |
c8b64f6d | 886 | |
fb2627ce | 887 | /* Xen full-virt on non-x86_64 */ |
6e509042 | 888 | } else if (has_pci_device(desc, hv_vendor_pci[HYPER_XEN], hv_graphics_pci[HYPER_XEN])) { |
e8aa16ee KZ |
889 | desc->hyper = HYPER_XEN; |
890 | desc->virtype = VIRT_FULL; | |
6e509042 | 891 | } else if (has_pci_device(desc, hv_vendor_pci[HYPER_VMWARE], hv_graphics_pci[HYPER_VMWARE])) { |
96ce475f RM |
892 | desc->hyper = HYPER_VMWARE; |
893 | desc->virtype = VIRT_FULL; | |
6e509042 | 894 | } else if (has_pci_device(desc, hv_vendor_pci[HYPER_VBOX], hv_graphics_pci[HYPER_VBOX])) { |
96ce475f RM |
895 | desc->hyper = HYPER_VBOX; |
896 | desc->virtype = VIRT_FULL; | |
fb2627ce OO |
897 | |
898 | /* IBM PR/SM */ | |
6e509042 | 899 | } else if ((fd = ul_path_fopen(desc->procfs, "r", "sysinfo"))) { |
b8ec7bdf HC |
900 | char buf[BUFSIZ]; |
901 | ||
902 | desc->hyper = HYPER_IBM; | |
10829cd7 | 903 | desc->hypervisor = "PR/SM"; |
b8ec7bdf | 904 | desc->virtype = VIRT_FULL; |
904ffe1f | 905 | while (fgets(buf, sizeof(buf), fd) != NULL) { |
d0b75b03 | 906 | char *str, *p; |
10829cd7 | 907 | |
b8ec7bdf HC |
908 | if (!strstr(buf, "Control Program:")) |
909 | continue; | |
910 | if (!strstr(buf, "KVM")) | |
911 | desc->hyper = HYPER_IBM; | |
912 | else | |
913 | desc->hyper = HYPER_KVM; | |
d0b75b03 KZ |
914 | p = strchr(buf, ':'); |
915 | if (!p) | |
10829cd7 | 916 | continue; |
d0b75b03 | 917 | xasprintf(&str, "%s", p + 1); |
9d8537ff | 918 | |
10829cd7 HC |
919 | /* remove leading, trailing and repeating whitespace */ |
920 | while (*str == ' ') | |
921 | str++; | |
922 | desc->hypervisor = str; | |
923 | str += strlen(str) - 1; | |
924 | while ((*str == '\n') || (*str == ' ')) | |
925 | *(str--) = '\0'; | |
926 | while ((str = strstr(desc->hypervisor, " "))) | |
927 | memmove(str, str + 1, strlen(str)); | |
350f5c8d | 928 | break; |
b8ec7bdf | 929 | } |
904ffe1f | 930 | fclose(fd); |
c8b64f6d | 931 | } |
fb2627ce OO |
932 | |
933 | /* OpenVZ/Virtuozzo - /proc/vz dir should exist | |
934 | * /proc/bc should not */ | |
6e509042 KZ |
935 | else if (ul_path_access(desc->procfs, F_OK, "vz") == 0 && |
936 | ul_path_access(desc->procfs, F_OK, "bc") != 0) { | |
fb2627ce | 937 | desc->hyper = HYPER_PARALLELS; |
857d9cdf | 938 | desc->virtype = VIRT_CONT; |
fb2627ce OO |
939 | |
940 | /* IBM */ | |
857d9cdf | 941 | } else if (desc->vendor && |
fb2627ce | 942 | (strcmp(desc->vendor, "PowerVM Lx86") == 0 || |
857d9cdf | 943 | strcmp(desc->vendor, "IBM/S390") == 0)) { |
fb2627ce | 944 | desc->hyper = HYPER_IBM; |
857d9cdf | 945 | desc->virtype = VIRT_FULL; |
fb2627ce OO |
946 | |
947 | /* User-mode-linux */ | |
857d9cdf | 948 | } else if (desc->modelname && strstr(desc->modelname, "UML")) { |
fb2627ce | 949 | desc->hyper = HYPER_UML; |
857d9cdf | 950 | desc->virtype = VIRT_PARA; |
fb2627ce OO |
951 | |
952 | /* Linux-VServer */ | |
6e509042 | 953 | } else if ((fd = ul_path_fopen(desc->procfs, "r", "self/status"))) { |
fb2627ce OO |
954 | char buf[BUFSIZ]; |
955 | char *val = NULL; | |
956 | ||
fb2627ce OO |
957 | while (fgets(buf, sizeof(buf), fd) != NULL) { |
958 | if (lookup(buf, "VxID", &val)) | |
959 | break; | |
960 | } | |
961 | fclose(fd); | |
962 | ||
963 | if (val) { | |
c6f6afc1 KZ |
964 | char *org = val; |
965 | ||
fb2627ce OO |
966 | while (isdigit(*val)) |
967 | ++val; | |
857d9cdf | 968 | if (!*val) { |
fb2627ce | 969 | desc->hyper = HYPER_VSERVER; |
857d9cdf KZ |
970 | desc->virtype = VIRT_CONT; |
971 | } | |
c6f6afc1 | 972 | free(org); |
fb2627ce OO |
973 | } |
974 | } | |
c8b64f6d KZ |
975 | } |
976 | ||
455fe9a0 | 977 | /* add @set to the @ary, unnecessary set is deallocated. */ |
7e03f383 KZ |
978 | static int add_cpuset_to_array(cpu_set_t **ary, int *items, cpu_set_t *set) |
979 | { | |
980 | int i; | |
981 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
982 | ||
983 | if (!ary) | |
984 | return -1; | |
985 | ||
986 | for (i = 0; i < *items; i++) { | |
987 | if (CPU_EQUAL_S(setsize, set, ary[i])) | |
988 | break; | |
989 | } | |
990 | if (i == *items) { | |
991 | ary[*items] = set; | |
992 | ++*items; | |
993 | return 0; | |
994 | } | |
995 | CPU_FREE(set); | |
996 | return 1; | |
997 | } | |
998 | ||
5dd7507c | 999 | static void |
4f642863 | 1000 | read_topology(struct lscpu_desc *desc, int idx) |
5dd7507c | 1001 | { |
b3adf6ef HC |
1002 | cpu_set_t *thread_siblings, *core_siblings; |
1003 | cpu_set_t *book_siblings, *drawer_siblings; | |
0d2b5d2a HC |
1004 | int coreid, socketid, bookid, drawerid; |
1005 | int i, num = real_cpu_num(desc, idx); | |
7e03f383 | 1006 | |
6e509042 | 1007 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/topology/thread_siblings", num) != 0) |
7e03f383 | 1008 | return; |
5dd7507c | 1009 | |
6e509042 KZ |
1010 | ul_path_readf_cpuset(desc->syscpu, &thread_siblings, maxcpus, |
1011 | "cpu%d/topology/thread_siblings", num); | |
1012 | ul_path_readf_cpuset(desc->syscpu, &core_siblings, maxcpus, | |
1013 | "cpu%d/topology/core_siblings", num); | |
1014 | ul_path_readf_cpuset(desc->syscpu, &book_siblings, maxcpus, | |
1015 | "cpu%d/topology/book_siblings", num); | |
1016 | ul_path_readf_cpuset(desc->syscpu, &drawer_siblings, maxcpus, | |
1017 | "cpu%d/topology/drawer_siblings", num); | |
1018 | ||
1019 | if (ul_path_readf_s32(desc->syscpu, &coreid, "cpu%d/topology/core_id", num) != 0) | |
1020 | coreid = -1; | |
1021 | ||
1022 | if (ul_path_readf_s32(desc->syscpu, &socketid, "cpu%d/topology/physical_package_id", num) != 0) | |
1023 | socketid = -1; | |
1024 | ||
1025 | if (ul_path_readf_s32(desc->syscpu, &bookid, "cpu%d/topology/book_id", num) != 0) | |
1026 | bookid = -1; | |
1027 | ||
1028 | if (ul_path_readf_s32(desc->syscpu, &drawerid, "cpu%d/topology/drawer_id", num) != 0) | |
1029 | drawerid = -1; | |
aac1e59e KZ |
1030 | |
1031 | if (!desc->coremaps) { | |
b3adf6ef | 1032 | int ndrawers, nbooks, nsockets, ncores, nthreads; |
7e03f383 KZ |
1033 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
1034 | ||
1035 | /* threads within one core */ | |
1036 | nthreads = CPU_COUNT_S(setsize, thread_siblings); | |
d4bfa64d KZ |
1037 | if (!nthreads) |
1038 | nthreads = 1; | |
1039 | ||
7e03f383 KZ |
1040 | /* cores within one socket */ |
1041 | ncores = CPU_COUNT_S(setsize, core_siblings) / nthreads; | |
d4bfa64d KZ |
1042 | if (!ncores) |
1043 | ncores = 1; | |
1044 | ||
1045 | /* number of sockets within one book. Because of odd / | |
1046 | * non-present cpu maps and to keep calculation easy we make | |
1047 | * sure that nsockets and nbooks is at least 1. | |
32a46618 | 1048 | */ |
d4bfa64d KZ |
1049 | nsockets = desc->ncpus / nthreads / ncores; |
1050 | if (!nsockets) | |
1051 | nsockets = 1; | |
1052 | ||
56baaa4e | 1053 | /* number of books */ |
d4bfa64d KZ |
1054 | nbooks = desc->ncpus / nthreads / ncores / nsockets; |
1055 | if (!nbooks) | |
1056 | nbooks = 1; | |
e282eec2 | 1057 | |
b3adf6ef HC |
1058 | /* number of drawers */ |
1059 | ndrawers = desc->ncpus / nbooks / nthreads / ncores / nsockets; | |
1060 | if (!ndrawers) | |
1061 | ndrawers = 1; | |
1062 | ||
e282eec2 | 1063 | /* all threads, see also read_basicinfo() |
32a46618 | 1064 | * -- fallback for kernels without |
e282eec2 KZ |
1065 | * /sys/devices/system/cpu/online. |
1066 | */ | |
1067 | if (!desc->nthreads) | |
b3adf6ef | 1068 | desc->nthreads = ndrawers * nbooks * nsockets * ncores * nthreads; |
d4bfa64d | 1069 | |
a5cfffff | 1070 | /* For each map we make sure that it can have up to ncpuspos |
9d1a3a18 HC |
1071 | * entries. This is because we cannot reliably calculate the |
1072 | * number of cores, sockets and books on all architectures. | |
1073 | * E.g. completely virtualized architectures like s390 may | |
1074 | * have multiple sockets of different sizes. | |
1075 | */ | |
a5cfffff TK |
1076 | desc->coremaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
1077 | desc->socketmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); | |
0d2b5d2a HC |
1078 | desc->coreids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); |
1079 | desc->socketids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); | |
1080 | for (i = 0; i < desc->ncpuspos; i++) | |
1081 | desc->coreids[i] = desc->socketids[i] = -1; | |
1082 | if (book_siblings) { | |
a5cfffff | 1083 | desc->bookmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
0d2b5d2a HC |
1084 | desc->bookids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); |
1085 | for (i = 0; i < desc->ncpuspos; i++) | |
1086 | desc->bookids[i] = -1; | |
1087 | } | |
1088 | if (drawer_siblings) { | |
b3adf6ef | 1089 | desc->drawermaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
0d2b5d2a HC |
1090 | desc->drawerids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); |
1091 | for (i = 0; i < desc->ncpuspos; i++) | |
1092 | desc->drawerids[i] = -1; | |
1093 | } | |
7e03f383 | 1094 | } |
5dd7507c | 1095 | |
7e03f383 | 1096 | add_cpuset_to_array(desc->socketmaps, &desc->nsockets, core_siblings); |
0d2b5d2a | 1097 | desc->coreids[idx] = coreid; |
7e03f383 | 1098 | add_cpuset_to_array(desc->coremaps, &desc->ncores, thread_siblings); |
0d2b5d2a HC |
1099 | desc->socketids[idx] = socketid; |
1100 | if (book_siblings) { | |
56baaa4e | 1101 | add_cpuset_to_array(desc->bookmaps, &desc->nbooks, book_siblings); |
0d2b5d2a HC |
1102 | desc->bookids[idx] = bookid; |
1103 | } | |
1104 | if (drawer_siblings) { | |
b3adf6ef | 1105 | add_cpuset_to_array(desc->drawermaps, &desc->ndrawers, drawer_siblings); |
0d2b5d2a HC |
1106 | desc->drawerids[idx] = drawerid; |
1107 | } | |
7e03f383 | 1108 | } |
4f642863 | 1109 | |
2b8fcb81 | 1110 | static void |
4f642863 | 1111 | read_polarization(struct lscpu_desc *desc, int idx) |
2b8fcb81 HC |
1112 | { |
1113 | char mode[64]; | |
4f642863 | 1114 | int num = real_cpu_num(desc, idx); |
2b8fcb81 HC |
1115 | |
1116 | if (desc->dispatching < 0) | |
1117 | return; | |
6e509042 | 1118 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/polarization", num) != 0) |
2b8fcb81 HC |
1119 | return; |
1120 | if (!desc->polarization) | |
a5cfffff | 1121 | desc->polarization = xcalloc(desc->ncpuspos, sizeof(int)); |
6e509042 KZ |
1122 | |
1123 | ul_path_readf_buffer(desc->syscpu, mode, sizeof(mode), "cpu%d/polarization", num); | |
1124 | ||
2b8fcb81 | 1125 | if (strncmp(mode, "vertical:low", sizeof(mode)) == 0) |
4f642863 | 1126 | desc->polarization[idx] = POLAR_VLOW; |
2b8fcb81 | 1127 | else if (strncmp(mode, "vertical:medium", sizeof(mode)) == 0) |
4f642863 | 1128 | desc->polarization[idx] = POLAR_VMEDIUM; |
2b8fcb81 | 1129 | else if (strncmp(mode, "vertical:high", sizeof(mode)) == 0) |
4f642863 | 1130 | desc->polarization[idx] = POLAR_VHIGH; |
2b8fcb81 | 1131 | else if (strncmp(mode, "horizontal", sizeof(mode)) == 0) |
4f642863 | 1132 | desc->polarization[idx] = POLAR_HORIZONTAL; |
2b8fcb81 | 1133 | else |
4f642863 | 1134 | desc->polarization[idx] = POLAR_UNKNOWN; |
2b8fcb81 | 1135 | } |
7e03f383 | 1136 | |
596b8845 | 1137 | static void |
4f642863 | 1138 | read_address(struct lscpu_desc *desc, int idx) |
596b8845 | 1139 | { |
4f642863 AT |
1140 | int num = real_cpu_num(desc, idx); |
1141 | ||
6e509042 | 1142 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/address", num) != 0) |
596b8845 HC |
1143 | return; |
1144 | if (!desc->addresses) | |
a5cfffff | 1145 | desc->addresses = xcalloc(desc->ncpuspos, sizeof(int)); |
6e509042 | 1146 | ul_path_readf_s32(desc->syscpu, &desc->addresses[idx], "cpu%d/address", num); |
596b8845 | 1147 | } |
7e03f383 | 1148 | |
d231eea1 | 1149 | static void |
4f642863 | 1150 | read_configured(struct lscpu_desc *desc, int idx) |
d231eea1 | 1151 | { |
4f642863 AT |
1152 | int num = real_cpu_num(desc, idx); |
1153 | ||
6e509042 | 1154 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/configure", num) != 0) |
d231eea1 HC |
1155 | return; |
1156 | if (!desc->configured) | |
a5cfffff | 1157 | desc->configured = xcalloc(desc->ncpuspos, sizeof(int)); |
6e509042 | 1158 | ul_path_readf_s32(desc->syscpu, &desc->configured[idx], "cpu%d/configure", num); |
d231eea1 HC |
1159 | } |
1160 | ||
fc07d9f5 | 1161 | /* Read overall maximum frequency of cpu */ |
89222b17 KZ |
1162 | static char * |
1163 | cpu_max_mhz(struct lscpu_desc *desc, char *buf, size_t bufsz) | |
fc07d9f5 MI |
1164 | { |
1165 | int i; | |
95f09bc6 | 1166 | float cpu_freq = 0.0; |
538b50cb | 1167 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
fc07d9f5 MI |
1168 | |
1169 | if (desc->present) { | |
95f09bc6 | 1170 | for (i = 0; i < desc->ncpuspos; i++) { |
538b50cb | 1171 | if (CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present) |
0145d84a | 1172 | && desc->maxmhz[i]) { |
fc07d9f5 MI |
1173 | float freq = atof(desc->maxmhz[i]); |
1174 | ||
1175 | if (freq > cpu_freq) | |
1176 | cpu_freq = freq; | |
1177 | } | |
1178 | } | |
1179 | } | |
89222b17 KZ |
1180 | snprintf(buf, bufsz, "%.4f", cpu_freq); |
1181 | return buf; | |
fc07d9f5 MI |
1182 | } |
1183 | ||
1184 | /* Read overall minimum frequency of cpu */ | |
89222b17 KZ |
1185 | static char * |
1186 | cpu_min_mhz(struct lscpu_desc *desc, char *buf, size_t bufsz) | |
fc07d9f5 | 1187 | { |
95f09bc6 DM |
1188 | int i; |
1189 | float cpu_freq = -1.0; | |
538b50cb | 1190 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
fc07d9f5 MI |
1191 | |
1192 | if (desc->present) { | |
95f09bc6 | 1193 | for (i = 0; i < desc->ncpuspos; i++) { |
538b50cb | 1194 | if (CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present) |
0145d84a | 1195 | && desc->minmhz[i]) { |
fc07d9f5 MI |
1196 | float freq = atof(desc->minmhz[i]); |
1197 | ||
95f09bc6 | 1198 | if (cpu_freq < 0.0 || freq < cpu_freq) |
fc07d9f5 MI |
1199 | cpu_freq = freq; |
1200 | } | |
1201 | } | |
1202 | } | |
89222b17 KZ |
1203 | snprintf(buf, bufsz, "%.4f", cpu_freq); |
1204 | return buf; | |
fc07d9f5 MI |
1205 | } |
1206 | ||
1207 | ||
44320710 | 1208 | static void |
4f642863 | 1209 | read_max_mhz(struct lscpu_desc *desc, int idx) |
44320710 | 1210 | { |
4f642863 | 1211 | int num = real_cpu_num(desc, idx); |
6e509042 | 1212 | int mhz; |
4f642863 | 1213 | |
6e509042 | 1214 | if (ul_path_readf_s32(desc->syscpu, &mhz, "cpu%d/cpufreq/cpuinfo_max_freq", num) != 0) |
44320710 | 1215 | return; |
e065a597 DB |
1216 | if (!desc->maxmhz) |
1217 | desc->maxmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
6e509042 | 1218 | xasprintf(&desc->maxmhz[idx], "%.4f", (float) mhz / 1000); |
44320710 SK |
1219 | } |
1220 | ||
e065a597 | 1221 | static void |
4f642863 | 1222 | read_min_mhz(struct lscpu_desc *desc, int idx) |
e065a597 | 1223 | { |
4f642863 | 1224 | int num = real_cpu_num(desc, idx); |
6e509042 | 1225 | int mhz; |
4f642863 | 1226 | |
6e509042 | 1227 | if (ul_path_readf_s32(desc->syscpu, &mhz, "cpu%d/cpufreq/cpuinfo_min_freq", num) != 0) |
e065a597 DB |
1228 | return; |
1229 | if (!desc->minmhz) | |
1230 | desc->minmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
6e509042 | 1231 | xasprintf(&desc->minmhz[idx], "%.4f", (float) mhz / 1000); |
e065a597 DB |
1232 | } |
1233 | ||
7e03f383 KZ |
1234 | static int |
1235 | cachecmp(const void *a, const void *b) | |
1236 | { | |
1237 | struct cpu_cache *c1 = (struct cpu_cache *) a; | |
1238 | struct cpu_cache *c2 = (struct cpu_cache *) b; | |
1239 | ||
1240 | return strcmp(c2->name, c1->name); | |
5dd7507c CQ |
1241 | } |
1242 | ||
1243 | static void | |
4f642863 | 1244 | read_cache(struct lscpu_desc *desc, int idx) |
5dd7507c CQ |
1245 | { |
1246 | char buf[256]; | |
7e03f383 | 1247 | int i; |
4f642863 | 1248 | int num = real_cpu_num(desc, idx); |
5dd7507c | 1249 | |
aac1e59e | 1250 | if (!desc->ncaches) { |
6e509042 KZ |
1251 | while (ul_path_accessf(desc->syscpu, F_OK, |
1252 | "cpu%d/cache/index%d", | |
1253 | num, desc->ncaches) == 0) | |
7e03f383 | 1254 | desc->ncaches++; |
5dd7507c | 1255 | |
7e03f383 KZ |
1256 | if (!desc->ncaches) |
1257 | return; | |
08de16d0 | 1258 | desc->caches = xcalloc(desc->ncaches, sizeof(*desc->caches)); |
7e03f383 KZ |
1259 | } |
1260 | for (i = 0; i < desc->ncaches; i++) { | |
1261 | struct cpu_cache *ca = &desc->caches[i]; | |
1262 | cpu_set_t *map; | |
1263 | ||
6e509042 KZ |
1264 | if (ul_path_accessf(desc->syscpu, F_OK, |
1265 | "cpu%d/cache/index%d", num, i) != 0) | |
dcdead42 | 1266 | continue; |
7e03f383 | 1267 | if (!ca->name) { |
0e86bc84 | 1268 | int type = 0; |
7e03f383 KZ |
1269 | |
1270 | /* cache type */ | |
0e86bc84 | 1271 | if (ul_path_readf_string(desc->syscpu, &ca->type, |
6e509042 | 1272 | "cpu%d/cache/index%d/type", num, i) > 0) { |
0e86bc84 | 1273 | if (!strcmp(ca->type, "Data")) |
6e509042 | 1274 | type = 'd'; |
0e86bc84 | 1275 | else if (!strcmp(ca->type, "Instruction")) |
6e509042 KZ |
1276 | type = 'i'; |
1277 | } | |
7e03f383 KZ |
1278 | |
1279 | /* cache level */ | |
0e86bc84 | 1280 | ul_path_readf_s32(desc->syscpu, &ca->level, |
6e509042 | 1281 | "cpu%d/cache/index%d/level", num, i); |
7e03f383 | 1282 | if (type) |
0e86bc84 | 1283 | snprintf(buf, sizeof(buf), "L%d%c", ca->level, type); |
7e03f383 | 1284 | else |
0e86bc84 | 1285 | snprintf(buf, sizeof(buf), "L%d", ca->level); |
7e03f383 KZ |
1286 | |
1287 | ca->name = xstrdup(buf); | |
1288 | ||
0e86bc84 KZ |
1289 | /* cache ways */ |
1290 | ul_path_readf_s32(desc->syscpu, &ca->ways, | |
1291 | "cpu%d/cache/index%d/ways_of_associativity", num, i); | |
1292 | ||
7e03f383 | 1293 | /* cache size */ |
0e86bc84 KZ |
1294 | if (ul_path_readf_buffer(desc->syscpu, buf, sizeof(buf), |
1295 | "cpu%d/cache/index%d/size", num, i) > 0) | |
1296 | parse_size(buf, &ca->size, NULL); | |
1297 | else | |
1298 | ca->size = 0; | |
7e03f383 | 1299 | } |
5dd7507c | 1300 | |
7e03f383 | 1301 | /* information about how CPUs share different caches */ |
6e509042 KZ |
1302 | ul_path_readf_cpuset(desc->syscpu, &map, maxcpus, |
1303 | "cpu%d/cache/index%d/shared_cpu_map", num, i); | |
5dd7507c | 1304 | |
08de16d0 | 1305 | if (!ca->sharedmaps) |
a5cfffff | 1306 | ca->sharedmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
7e03f383 | 1307 | add_cpuset_to_array(ca->sharedmaps, &ca->nsharedmaps, map); |
5dd7507c CQ |
1308 | } |
1309 | } | |
1310 | ||
e9074a16 KZ |
1311 | static inline int is_node_dirent(struct dirent *d) |
1312 | { | |
1313 | return | |
1314 | d && | |
1315 | #ifdef _DIRENT_HAVE_D_TYPE | |
c0cf4ae9 | 1316 | (d->d_type == DT_DIR || d->d_type == DT_UNKNOWN) && |
e9074a16 KZ |
1317 | #endif |
1318 | strncmp(d->d_name, "node", 4) == 0 && | |
1319 | isdigit_string(d->d_name + 4); | |
1320 | } | |
1321 | ||
39c758d1 KZ |
1322 | static int |
1323 | nodecmp(const void *ap, const void *bp) | |
1324 | { | |
1325 | int *a = (int *) ap, *b = (int *) bp; | |
1326 | return *a - *b; | |
1327 | } | |
1328 | ||
5dd7507c | 1329 | static void |
e8aa16ee | 1330 | read_nodes(struct lscpu_desc *desc) |
5dd7507c | 1331 | { |
e9074a16 KZ |
1332 | int i = 0; |
1333 | DIR *dir; | |
1334 | struct dirent *d; | |
6e509042 | 1335 | struct path_cxt *sysnode; |
5dd7507c | 1336 | |
a25fb9e8 RM |
1337 | desc->nnodes = 0; |
1338 | ||
6e509042 KZ |
1339 | sysnode = ul_new_path(_PATH_SYS_NODE); |
1340 | if (!sysnode) | |
1341 | err(EXIT_FAILURE, _("failed to initialize %s handler"), _PATH_SYS_NODE); | |
1342 | ul_path_set_prefix(sysnode, desc->prefix); | |
1343 | ||
1344 | dir = ul_path_opendir(sysnode, NULL); | |
1345 | if (!dir) | |
1346 | goto done; | |
1347 | ||
a25fb9e8 | 1348 | while ((d = readdir(dir))) { |
e9074a16 KZ |
1349 | if (is_node_dirent(d)) |
1350 | desc->nnodes++; | |
1351 | } | |
1352 | ||
1353 | if (!desc->nnodes) { | |
a25fb9e8 | 1354 | closedir(dir); |
6e509042 | 1355 | goto done; |
e9074a16 | 1356 | } |
5dd7507c | 1357 | |
08de16d0 | 1358 | desc->nodemaps = xcalloc(desc->nnodes, sizeof(cpu_set_t *)); |
e9074a16 KZ |
1359 | desc->idx2nodenum = xmalloc(desc->nnodes * sizeof(int)); |
1360 | ||
a25fb9e8 RM |
1361 | rewinddir(dir); |
1362 | while ((d = readdir(dir)) && i < desc->nnodes) { | |
1363 | if (is_node_dirent(d)) | |
1364 | desc->idx2nodenum[i++] = strtol_or_err(((d->d_name) + 4), | |
1365 | _("Failed to extract the node number")); | |
e9074a16 | 1366 | } |
a25fb9e8 RM |
1367 | closedir(dir); |
1368 | qsort(desc->idx2nodenum, desc->nnodes, sizeof(int), nodecmp); | |
5dd7507c CQ |
1369 | |
1370 | /* information about how nodes share different CPUs */ | |
7e03f383 | 1371 | for (i = 0; i < desc->nnodes; i++) |
6e509042 KZ |
1372 | ul_path_readf_cpuset(sysnode, &desc->nodemaps[i], maxcpus, |
1373 | "node%d/cpumap", desc->idx2nodenum[i]); | |
1374 | done: | |
1375 | ul_unref_path(sysnode); | |
5dd7507c CQ |
1376 | } |
1377 | ||
e3b3a2f3 | 1378 | static char * |
4f642863 | 1379 | get_cell_data(struct lscpu_desc *desc, int idx, int col, |
e3b3a2f3 KZ |
1380 | struct lscpu_modifier *mod, |
1381 | char *buf, size_t bufsz) | |
5dd7507c | 1382 | { |
7e03f383 | 1383 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
4f642863 AT |
1384 | size_t i; |
1385 | int cpu = real_cpu_num(desc, idx); | |
e3b3a2f3 KZ |
1386 | |
1387 | *buf = '\0'; | |
5dd7507c | 1388 | |
477251f8 | 1389 | switch (col) { |
cc07239d | 1390 | case COL_CPU_CPU: |
e3b3a2f3 | 1391 | snprintf(buf, bufsz, "%d", cpu); |
477251f8 | 1392 | break; |
cc07239d | 1393 | case COL_CPU_CORE: |
0d2b5d2a HC |
1394 | if (mod->physical) { |
1395 | if (desc->coreids[idx] == -1) | |
1396 | snprintf(buf, bufsz, "-"); | |
1397 | else | |
1398 | snprintf(buf, bufsz, "%d", desc->coreids[idx]); | |
1399 | } else { | |
1400 | if (cpuset_ary_isset(cpu, desc->coremaps, | |
1401 | desc->ncores, setsize, &i) == 0) | |
1402 | snprintf(buf, bufsz, "%zu", i); | |
1403 | } | |
477251f8 | 1404 | break; |
cc07239d | 1405 | case COL_CPU_SOCKET: |
0d2b5d2a HC |
1406 | if (mod->physical) { |
1407 | if (desc->socketids[idx] == -1) | |
1408 | snprintf(buf, bufsz, "-"); | |
1409 | else | |
1410 | snprintf(buf, bufsz, "%d", desc->socketids[idx]); | |
1411 | } else { | |
1412 | if (cpuset_ary_isset(cpu, desc->socketmaps, | |
1413 | desc->nsockets, setsize, &i) == 0) | |
1414 | snprintf(buf, bufsz, "%zu", i); | |
1415 | } | |
477251f8 | 1416 | break; |
cc07239d | 1417 | case COL_CPU_NODE: |
e9d659ea | 1418 | if (cpuset_ary_isset(cpu, desc->nodemaps, |
4f642863 | 1419 | desc->nnodes, setsize, &i) == 0) |
e9074a16 | 1420 | snprintf(buf, bufsz, "%d", desc->idx2nodenum[i]); |
477251f8 | 1421 | break; |
cc07239d | 1422 | case COL_CPU_DRAWER: |
0d2b5d2a HC |
1423 | if (mod->physical) { |
1424 | if (desc->drawerids[idx] == -1) | |
1425 | snprintf(buf, bufsz, "-"); | |
1426 | else | |
1427 | snprintf(buf, bufsz, "%d", desc->drawerids[idx]); | |
1428 | } else { | |
1429 | if (cpuset_ary_isset(cpu, desc->drawermaps, | |
1430 | desc->ndrawers, setsize, &i) == 0) | |
1431 | snprintf(buf, bufsz, "%zu", i); | |
1432 | } | |
b3adf6ef | 1433 | break; |
cc07239d | 1434 | case COL_CPU_BOOK: |
0d2b5d2a HC |
1435 | if (mod->physical) { |
1436 | if (desc->bookids[idx] == -1) | |
1437 | snprintf(buf, bufsz, "-"); | |
1438 | else | |
1439 | snprintf(buf, bufsz, "%d", desc->bookids[idx]); | |
1440 | } else { | |
1441 | if (cpuset_ary_isset(cpu, desc->bookmaps, | |
1442 | desc->nbooks, setsize, &i) == 0) | |
1443 | snprintf(buf, bufsz, "%zu", i); | |
1444 | } | |
477251f8 | 1445 | break; |
cc07239d | 1446 | case COL_CPU_CACHE: |
e3b3a2f3 KZ |
1447 | { |
1448 | char *p = buf; | |
1449 | size_t sz = bufsz; | |
1450 | int j; | |
1451 | ||
7e03f383 KZ |
1452 | for (j = desc->ncaches - 1; j >= 0; j--) { |
1453 | struct cpu_cache *ca = &desc->caches[j]; | |
e9d659ea KZ |
1454 | |
1455 | if (cpuset_ary_isset(cpu, ca->sharedmaps, | |
4f642863 | 1456 | ca->nsharedmaps, setsize, &i) == 0) { |
73f2bec5 | 1457 | int x = snprintf(p, sz, "%zu", i); |
06fa5817 | 1458 | if (x < 0 || (size_t) x >= sz) |
e3b3a2f3 KZ |
1459 | return NULL; |
1460 | p += x; | |
1461 | sz -= x; | |
1462 | } | |
1463 | if (j != 0) { | |
06fa5817 YK |
1464 | if (sz < 2) |
1465 | return NULL; | |
e3b3a2f3 KZ |
1466 | *p++ = mod->compat ? ',' : ':'; |
1467 | *p = '\0'; | |
0c5bbafa | 1468 | sz--; |
e3b3a2f3 | 1469 | } |
5dd7507c | 1470 | } |
477251f8 | 1471 | break; |
e3b3a2f3 | 1472 | } |
cc07239d | 1473 | case COL_CPU_POLARIZATION: |
ba45d8c1 | 1474 | if (desc->polarization) { |
4f642863 | 1475 | int x = desc->polarization[idx]; |
ba45d8c1 | 1476 | |
e3b3a2f3 | 1477 | snprintf(buf, bufsz, "%s", |
ba45d8c1 KZ |
1478 | mod->mode == OUTPUT_PARSABLE ? |
1479 | polar_modes[x].parsable : | |
1480 | polar_modes[x].readable); | |
1481 | } | |
2b8fcb81 | 1482 | break; |
cc07239d | 1483 | case COL_CPU_ADDRESS: |
596b8845 | 1484 | if (desc->addresses) |
4f642863 | 1485 | snprintf(buf, bufsz, "%d", desc->addresses[idx]); |
596b8845 | 1486 | break; |
cc07239d | 1487 | case COL_CPU_CONFIGURED: |
e43fc13e HC |
1488 | if (!desc->configured) |
1489 | break; | |
1490 | if (mod->mode == OUTPUT_PARSABLE) | |
f205c90a | 1491 | snprintf(buf, bufsz, "%s", |
4f642863 | 1492 | desc->configured[idx] ? _("Y") : _("N")); |
e43fc13e | 1493 | else |
f205c90a | 1494 | snprintf(buf, bufsz, "%s", |
4f642863 | 1495 | desc->configured[idx] ? _("yes") : _("no")); |
d231eea1 | 1496 | break; |
cc07239d | 1497 | case COL_CPU_ONLINE: |
e43fc13e HC |
1498 | if (!desc->online) |
1499 | break; | |
1500 | if (mod->mode == OUTPUT_PARSABLE) | |
f205c90a | 1501 | snprintf(buf, bufsz, "%s", |
e43fc13e HC |
1502 | is_cpu_online(desc, cpu) ? _("Y") : _("N")); |
1503 | else | |
f205c90a | 1504 | snprintf(buf, bufsz, "%s", |
847b982e | 1505 | is_cpu_online(desc, cpu) ? _("yes") : _("no")); |
a7e5300c | 1506 | break; |
cc07239d | 1507 | case COL_CPU_MAXMHZ: |
0145d84a | 1508 | if (desc->maxmhz && desc->maxmhz[idx]) |
4f642863 | 1509 | xstrncpy(buf, desc->maxmhz[idx], bufsz); |
e065a597 | 1510 | break; |
cc07239d | 1511 | case COL_CPU_MINMHZ: |
0145d84a | 1512 | if (desc->minmhz && desc->minmhz[idx]) |
4f642863 | 1513 | xstrncpy(buf, desc->minmhz[idx], bufsz); |
44320710 | 1514 | break; |
477251f8 | 1515 | } |
e3b3a2f3 KZ |
1516 | return buf; |
1517 | } | |
1518 | ||
1519 | static char * | |
1520 | get_cell_header(struct lscpu_desc *desc, int col, | |
1521 | struct lscpu_modifier *mod, | |
1522 | char *buf, size_t bufsz) | |
1523 | { | |
1524 | *buf = '\0'; | |
1525 | ||
cc07239d | 1526 | if (col == COL_CPU_CACHE) { |
e3b3a2f3 KZ |
1527 | char *p = buf; |
1528 | size_t sz = bufsz; | |
1529 | int i; | |
1530 | ||
1531 | for (i = desc->ncaches - 1; i >= 0; i--) { | |
1532 | int x = snprintf(p, sz, "%s", desc->caches[i].name); | |
06fa5817 | 1533 | if (x < 0 || (size_t) x >= sz) |
e3b3a2f3 KZ |
1534 | return NULL; |
1535 | sz -= x; | |
1536 | p += x; | |
1537 | if (i > 0) { | |
06fa5817 YK |
1538 | if (sz < 2) |
1539 | return NULL; | |
e3b3a2f3 KZ |
1540 | *p++ = mod->compat ? ',' : ':'; |
1541 | *p = '\0'; | |
0c5bbafa | 1542 | sz--; |
e3b3a2f3 KZ |
1543 | } |
1544 | } | |
1545 | if (desc->ncaches) | |
1546 | return buf; | |
1547 | } | |
cc07239d | 1548 | snprintf(buf, bufsz, "%s", coldescs_cpu[col].name); |
e3b3a2f3 | 1549 | return buf; |
477251f8 KZ |
1550 | } |
1551 | ||
0e86bc84 KZ |
1552 | /* |
1553 | * [-C] backend | |
1554 | */ | |
1555 | static void | |
1556 | print_caches_readable(struct lscpu_desc *desc, int cols[], int ncols, | |
1557 | struct lscpu_modifier *mod) | |
1558 | { | |
1559 | int i; | |
1560 | struct libscols_table *table; | |
1561 | ||
1562 | scols_init_debug(0); | |
1563 | ||
1564 | table = scols_new_table(); | |
1565 | if (!table) | |
1566 | err(EXIT_FAILURE, _("failed to allocate output table")); | |
1567 | if (mod->json) { | |
1568 | scols_table_enable_json(table, 1); | |
1569 | scols_table_set_name(table, "caches"); | |
1570 | } | |
1571 | ||
1572 | for (i = 0; i < ncols; i++) { | |
1573 | struct lscpu_coldesc *cd = &coldescs_cache[cols[i]]; | |
1574 | if (!scols_table_new_column(table, cd->name, 0, cd->flags)) | |
1575 | err(EXIT_FAILURE, _("failed to allocate output column")); | |
1576 | } | |
1577 | ||
4161da7b | 1578 | for (i = desc->ncaches - 1; i >= 0; i--) { |
0e86bc84 KZ |
1579 | struct cpu_cache *ca = &desc->caches[i]; |
1580 | struct libscols_line *line; | |
1581 | int c; | |
1582 | ||
1583 | line = scols_table_new_line(table, NULL); | |
1584 | if (!line) | |
1585 | err(EXIT_FAILURE, _("failed to allocate output line")); | |
1586 | ||
1587 | for (c = 0; c < ncols; c++) { | |
1588 | char *data = NULL; | |
1589 | int col = cols[c]; | |
1590 | ||
1591 | switch (col) { | |
1592 | case COL_CACHE_NAME: | |
1593 | if (ca->name) | |
1594 | data = xstrdup(ca->name); | |
1595 | break; | |
1596 | case COL_CACHE_ONESIZE: | |
1597 | if (!ca->size) | |
1598 | break; | |
1599 | if (mod->bytes) | |
1600 | xasprintf(&data, "%" PRIu64, ca->size); | |
1601 | else | |
1602 | data = size_to_human_string(SIZE_SUFFIX_1LETTER, ca->size); | |
1603 | break; | |
1604 | case COL_CACHE_ALLSIZE: | |
1605 | { | |
1606 | uint64_t sz = 0; | |
1607 | ||
1608 | if (get_cache_full_size(desc, ca, &sz) != 0) | |
1609 | break; | |
1610 | if (mod->bytes) | |
1611 | xasprintf(&data, "%" PRIu64, sz); | |
1612 | else | |
1613 | data = size_to_human_string(SIZE_SUFFIX_1LETTER, sz); | |
1614 | break; | |
1615 | } | |
1616 | case COL_CACHE_WAYS: | |
1617 | if (ca->ways) | |
1618 | xasprintf(&data, "%d", ca->ways); | |
1619 | break; | |
1620 | case COL_CACHE_TYPE: | |
1621 | if (ca->type) | |
1622 | data = xstrdup(ca->type); | |
1623 | break; | |
1624 | case COL_CACHE_LEVEL: | |
1625 | if (ca->level) | |
1626 | xasprintf(&data, "%d", ca->level); | |
1627 | break; | |
1628 | } | |
1629 | ||
1630 | if (data && scols_line_refer_data(line, c, data)) | |
1631 | err(EXIT_FAILURE, _("failed to add output data")); | |
1632 | } | |
1633 | } | |
1634 | ||
1635 | scols_print_table(table); | |
1636 | scols_unref_table(table); | |
1637 | } | |
1638 | ||
477251f8 | 1639 | /* |
ba45d8c1 | 1640 | * [-p] backend, we support two parsable formats: |
477251f8 KZ |
1641 | * |
1642 | * 1) "compatible" -- this format is compatible with the original lscpu(1) | |
1643 | * output and it contains fixed set of the columns. The CACHE columns are at | |
1644 | * the end of the line and the CACHE is not printed if the number of the caches | |
1645 | * is zero. The CACHE columns are separated by two commas, for example: | |
1646 | * | |
1647 | * $ lscpu --parse | |
1648 | * # CPU,Core,Socket,Node,,L1d,L1i,L2 | |
1649 | * 0,0,0,0,,0,0,0 | |
1650 | * 1,1,0,0,,1,1,0 | |
1651 | * | |
1652 | * 2) "user defined output" -- this format prints always all columns without | |
1653 | * special prefix for CACHE column. If there are not CACHEs then the column is | |
1654 | * empty and the header "Cache" is printed rather than a real name of the cache. | |
1655 | * The CACHE columns are separated by ':'. | |
1656 | * | |
1657 | * $ lscpu --parse=CPU,CORE,SOCKET,NODE,CACHE | |
1658 | * # CPU,Core,Socket,Node,L1d:L1i:L2 | |
1659 | * 0,0,0,0,0:0:0 | |
1660 | * 1,1,0,0,1:1:0 | |
1661 | */ | |
1662 | static void | |
cc07239d | 1663 | print_cpus_parsable(struct lscpu_desc *desc, int cols[], int ncols, |
8005924a | 1664 | struct lscpu_modifier *mod) |
477251f8 | 1665 | { |
e3b3a2f3 KZ |
1666 | char buf[BUFSIZ], *data; |
1667 | int i; | |
477251f8 | 1668 | |
e3b3a2f3 KZ |
1669 | /* |
1670 | * Header | |
1671 | */ | |
477251f8 KZ |
1672 | printf(_( |
1673 | "# The following is the parsable format, which can be fed to other\n" | |
1674 | "# programs. Each different item in every column has an unique ID\n" | |
1675 | "# starting from zero.\n")); | |
1676 | ||
1677 | fputs("# ", stdout); | |
1678 | for (i = 0; i < ncols; i++) { | |
3d27b76a | 1679 | int col = cols[i]; |
b9d18bc3 | 1680 | |
cc07239d | 1681 | if (col == COL_CPU_CACHE) { |
8005924a | 1682 | if (mod->compat && !desc->ncaches) |
477251f8 | 1683 | continue; |
8005924a | 1684 | if (mod->compat && i != 0) |
477251f8 | 1685 | putchar(','); |
477251f8 | 1686 | } |
e3b3a2f3 KZ |
1687 | if (i > 0) |
1688 | putchar(','); | |
1689 | ||
3d27b76a | 1690 | data = get_cell_header(desc, col, mod, buf, sizeof(buf)); |
b9d18bc3 | 1691 | |
cc07239d KZ |
1692 | if (data && * data && col != COL_CPU_CACHE && |
1693 | !coldescs_cpu[col].is_abbr) { | |
3d27b76a KZ |
1694 | /* |
1695 | * For normal column names use mixed case (e.g. "Socket") | |
1696 | */ | |
1697 | char *p = data + 1; | |
1698 | ||
14e8be8a PU |
1699 | while (p && *p != '\0') { |
1700 | *p = tolower((unsigned int) *p); | |
1701 | p++; | |
1702 | } | |
3d27b76a | 1703 | } |
e3b3a2f3 | 1704 | fputs(data && *data ? data : "", stdout); |
477251f8 KZ |
1705 | } |
1706 | putchar('\n'); | |
1707 | ||
e3b3a2f3 KZ |
1708 | /* |
1709 | * Data | |
1710 | */ | |
a5cfffff | 1711 | for (i = 0; i < desc->ncpuspos; i++) { |
e3b3a2f3 | 1712 | int c; |
4f642863 | 1713 | int cpu = real_cpu_num(desc, i); |
e3b3a2f3 | 1714 | |
4f642863 | 1715 | if (!mod->offline && desc->online && !is_cpu_online(desc, cpu)) |
7afc2387 | 1716 | continue; |
4f642863 | 1717 | if (!mod->online && desc->online && is_cpu_online(desc, cpu)) |
477251f8 | 1718 | continue; |
4f642863 | 1719 | if (desc->present && !is_cpu_present(desc, cpu)) |
a5cfffff | 1720 | continue; |
477251f8 | 1721 | for (c = 0; c < ncols; c++) { |
cc07239d | 1722 | if (mod->compat && cols[c] == COL_CPU_CACHE) { |
477251f8 KZ |
1723 | if (!desc->ncaches) |
1724 | continue; | |
1725 | if (c > 0) | |
1726 | putchar(','); | |
1727 | } | |
1728 | if (c > 0) | |
1729 | putchar(','); | |
e3b3a2f3 KZ |
1730 | |
1731 | data = get_cell_data(desc, i, cols[c], mod, | |
1732 | buf, sizeof(buf)); | |
1733 | fputs(data && *data ? data : "", stdout); | |
477251f8 | 1734 | } |
5dd7507c CQ |
1735 | putchar('\n'); |
1736 | } | |
1737 | } | |
1738 | ||
ba45d8c1 KZ |
1739 | /* |
1740 | * [-e] backend | |
1741 | */ | |
1742 | static void | |
cc07239d | 1743 | print_cpus_readable(struct lscpu_desc *desc, int cols[], int ncols, |
ba45d8c1 KZ |
1744 | struct lscpu_modifier *mod) |
1745 | { | |
1746 | int i; | |
e7213e34 KZ |
1747 | char buf[BUFSIZ]; |
1748 | const char *data; | |
710ed55d | 1749 | struct libscols_table *table; |
ba45d8c1 | 1750 | |
710ed55d KZ |
1751 | scols_init_debug(0); |
1752 | ||
1753 | table = scols_new_table(); | |
83db4eb2 | 1754 | if (!table) |
780ce22c | 1755 | err(EXIT_FAILURE, _("failed to allocate output table")); |
19a5510b KZ |
1756 | if (mod->json) { |
1757 | scols_table_enable_json(table, 1); | |
1758 | scols_table_set_name(table, "cpus"); | |
1759 | } | |
ba45d8c1 KZ |
1760 | |
1761 | for (i = 0; i < ncols; i++) { | |
b9d18bc3 | 1762 | data = get_cell_header(desc, cols[i], mod, buf, sizeof(buf)); |
2ec00a10 | 1763 | if (!scols_table_new_column(table, data, 0, coldescs_cpu[cols[i]].flags)) |
780ce22c | 1764 | err(EXIT_FAILURE, _("failed to allocate output column")); |
ba45d8c1 KZ |
1765 | } |
1766 | ||
a5cfffff | 1767 | for (i = 0; i < desc->ncpuspos; i++) { |
ba45d8c1 | 1768 | int c; |
83db4eb2 | 1769 | struct libscols_line *line; |
4f642863 | 1770 | int cpu = real_cpu_num(desc, i); |
ba45d8c1 | 1771 | |
4f642863 | 1772 | if (!mod->offline && desc->online && !is_cpu_online(desc, cpu)) |
7afc2387 | 1773 | continue; |
4f642863 | 1774 | if (!mod->online && desc->online && is_cpu_online(desc, cpu)) |
ba45d8c1 | 1775 | continue; |
4f642863 | 1776 | if (desc->present && !is_cpu_present(desc, cpu)) |
a5cfffff | 1777 | continue; |
ba45d8c1 | 1778 | |
83db4eb2 | 1779 | line = scols_table_new_line(table, NULL); |
e7213e34 | 1780 | if (!line) |
780ce22c | 1781 | err(EXIT_FAILURE, _("failed to allocate output line")); |
ba45d8c1 KZ |
1782 | |
1783 | for (c = 0; c < ncols; c++) { | |
1784 | data = get_cell_data(desc, i, cols[c], mod, | |
1785 | buf, sizeof(buf)); | |
e7213e34 KZ |
1786 | if (!data || !*data) |
1787 | data = "-"; | |
bf1eab07 | 1788 | if (scols_line_set_data(line, c, data)) |
780ce22c | 1789 | err(EXIT_FAILURE, _("failed to add output data")); |
ba45d8c1 KZ |
1790 | } |
1791 | } | |
1792 | ||
83db4eb2 OO |
1793 | scols_print_table(table); |
1794 | scols_unref_table(table); | |
ba45d8c1 | 1795 | } |
5dd7507c | 1796 | |
c82b12a0 KZ |
1797 | |
1798 | static void __attribute__ ((__format__(printf, 3, 4))) | |
1799 | add_summary_sprint(struct libscols_table *tb, | |
1800 | const char *txt, | |
1801 | const char *fmt, | |
1802 | ...) | |
1803 | { | |
1804 | struct libscols_line *ln = scols_table_new_line(tb, NULL); | |
1805 | char *data; | |
1806 | va_list args; | |
1807 | ||
1808 | if (!ln) | |
780ce22c | 1809 | err(EXIT_FAILURE, _("failed to allocate output line")); |
c82b12a0 KZ |
1810 | |
1811 | /* description column */ | |
1812 | scols_line_set_data(ln, 0, txt); | |
1813 | ||
1814 | /* data column */ | |
1815 | va_start(args, fmt); | |
1816 | xvasprintf(&data, fmt, args); | |
1817 | va_end(args); | |
1818 | ||
780ce22c KZ |
1819 | if (data && scols_line_refer_data(ln, 1, data)) |
1820 | err(EXIT_FAILURE, _("failed to add output data")); | |
c82b12a0 KZ |
1821 | } |
1822 | ||
1823 | #define add_summary_n(tb, txt, num) add_summary_sprint(tb, txt, "%d", num) | |
1824 | #define add_summary_s(tb, txt, str) add_summary_sprint(tb, txt, "%s", str) | |
5dd7507c CQ |
1825 | |
1826 | static void | |
c82b12a0 KZ |
1827 | print_cpuset(struct libscols_table *tb, |
1828 | const char *key, cpu_set_t *set, int hex) | |
4f912c6a KZ |
1829 | { |
1830 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
1831 | size_t setbuflen = 7 * maxcpus; | |
1832 | char setbuf[setbuflen], *p; | |
1833 | ||
1834 | if (hex) { | |
1835 | p = cpumask_create(setbuf, setbuflen, set, setsize); | |
c82b12a0 | 1836 | add_summary_s(tb, key, p); |
4f912c6a KZ |
1837 | } else { |
1838 | p = cpulist_create(setbuf, setbuflen, set, setsize); | |
c82b12a0 | 1839 | add_summary_s(tb, key, p); |
4f912c6a | 1840 | } |
4f912c6a KZ |
1841 | } |
1842 | ||
0e86bc84 KZ |
1843 | static int get_cache_full_size(struct lscpu_desc *desc, |
1844 | struct cpu_cache *ca, uint64_t *res) | |
e5f72113 | 1845 | { |
e5f72113 | 1846 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
0e86bc84 | 1847 | int i, nshares = 0; |
e5f72113 KZ |
1848 | |
1849 | /* Count number of CPUs which shares the cache */ | |
1850 | for (i = 0; i < desc->ncpuspos; i++) { | |
1851 | int cpu = real_cpu_num(desc, i); | |
1852 | ||
1853 | if (desc->present && !is_cpu_present(desc, cpu)) | |
1854 | continue; | |
1855 | if (CPU_ISSET_S(cpu, setsize, ca->sharedmaps[0])) | |
1856 | nshares++; | |
1857 | } | |
1858 | ||
1859 | /* Correction for CPU threads */ | |
1860 | if (desc->nthreads > desc->ncores) | |
1861 | nshares /= (desc->nthreads / desc->ncores); | |
1862 | ||
0e86bc84 | 1863 | *res = (desc->ncores / nshares) * ca->size; |
e5f72113 KZ |
1864 | return 0; |
1865 | } | |
1866 | ||
ba45d8c1 KZ |
1867 | /* |
1868 | * default output | |
1869 | */ | |
4f912c6a | 1870 | static void |
8005924a | 1871 | print_summary(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 1872 | { |
577d1a66 | 1873 | char buf[BUFSIZ]; |
fc07d9f5 | 1874 | int i = 0; |
aac1e59e | 1875 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
c82b12a0 KZ |
1876 | struct libscols_table *tb; |
1877 | ||
1878 | scols_init_debug(0); | |
1879 | ||
1880 | tb = scols_new_table(); | |
1881 | if (!tb) | |
780ce22c | 1882 | err(EXIT_FAILURE, _("failed to allocate output table")); |
7e03f383 | 1883 | |
c82b12a0 | 1884 | scols_table_enable_noheadings(tb, 1); |
19a5510b KZ |
1885 | if (mod->json) { |
1886 | scols_table_enable_json(tb, 1); | |
1887 | scols_table_set_name(tb, "lscpu"); | |
1888 | } | |
79e8b41a | 1889 | |
19a5510b | 1890 | if (scols_table_new_column(tb, "field", 0, 0) == NULL || |
c82b12a0 KZ |
1891 | scols_table_new_column(tb, "data", 0, SCOLS_FL_NOEXTREMES) == NULL) |
1892 | err(EXIT_FAILURE, _("failed to initialize output column")); | |
1893 | ||
1894 | add_summary_s(tb, _("Architecture:"), desc->arch); | |
f633ad4e | 1895 | if (desc->mode) { |
577d1a66 | 1896 | char *p = buf; |
79e8b41a | 1897 | |
f633ad4e | 1898 | if (desc->mode & MODE_32BIT) { |
79e8b41a KZ |
1899 | strcpy(p, "32-bit, "); |
1900 | p += 8; | |
1901 | } | |
f633ad4e | 1902 | if (desc->mode & MODE_64BIT) { |
79e8b41a KZ |
1903 | strcpy(p, "64-bit, "); |
1904 | p += 8; | |
1905 | } | |
1906 | *(p - 2) = '\0'; | |
577d1a66 | 1907 | add_summary_s(tb, _("CPU op-mode(s):"), buf); |
79e8b41a | 1908 | } |
aabe2441 | 1909 | #if !defined(WORDS_BIGENDIAN) |
c82b12a0 | 1910 | add_summary_s(tb, _("Byte Order:"), "Little Endian"); |
9b8d4d5f | 1911 | #else |
c82b12a0 | 1912 | add_summary_s(tb, _("Byte Order:"), "Big Endian"); |
9b8d4d5f | 1913 | #endif |
3e48ef72 KZ |
1914 | |
1915 | if (desc->addrsz) | |
1916 | add_summary_s(tb, _("Address sizes:"), desc->addrsz); | |
1917 | ||
c82b12a0 | 1918 | add_summary_n(tb, _("CPU(s):"), desc->ncpus); |
4f912c6a | 1919 | |
5d4ba40d | 1920 | if (desc->online) |
c82b12a0 KZ |
1921 | print_cpuset(tb, mod->hex ? _("On-line CPU(s) mask:") : |
1922 | _("On-line CPU(s) list:"), | |
8005924a | 1923 | desc->online, mod->hex); |
4f912c6a | 1924 | |
5d4ba40d | 1925 | if (desc->online && CPU_COUNT_S(setsize, desc->online) != desc->ncpus) { |
4f912c6a KZ |
1926 | cpu_set_t *set; |
1927 | ||
1928 | /* Linux kernel provides cpuset of off-line CPUs that contains | |
1929 | * all configured CPUs (see /sys/devices/system/cpu/offline), | |
1930 | * but want to print real (present in system) off-line CPUs only. | |
1931 | */ | |
1932 | set = cpuset_alloc(maxcpus, NULL, NULL); | |
1933 | if (!set) | |
1934 | err(EXIT_FAILURE, _("failed to callocate cpu set")); | |
1935 | CPU_ZERO_S(setsize, set); | |
a5cfffff | 1936 | for (i = 0; i < desc->ncpuspos; i++) { |
4f642863 AT |
1937 | int cpu = real_cpu_num(desc, i); |
1938 | if (!is_cpu_online(desc, cpu) && is_cpu_present(desc, cpu)) | |
1939 | CPU_SET_S(cpu, setsize, set); | |
4f912c6a | 1940 | } |
c82b12a0 KZ |
1941 | print_cpuset(tb, mod->hex ? _("Off-line CPU(s) mask:") : |
1942 | _("Off-line CPU(s) list:"), | |
8005924a | 1943 | set, mod->hex); |
4f912c6a KZ |
1944 | cpuset_free(set); |
1945 | } | |
5dd7507c | 1946 | |
7e03f383 | 1947 | if (desc->nsockets) { |
2c497d32 HC |
1948 | int threads_per_core, cores_per_socket, sockets_per_book; |
1949 | int books_per_drawer, drawers; | |
904ffe1f | 1950 | FILE *fd; |
8648ca96 | 1951 | |
2c497d32 HC |
1952 | threads_per_core = cores_per_socket = sockets_per_book = 0; |
1953 | books_per_drawer = drawers = 0; | |
8648ca96 HC |
1954 | /* s390 detects its cpu topology via /proc/sysinfo, if present. |
1955 | * Using simply the cpu topology masks in sysfs will not give | |
1956 | * usable results since everything is virtualized. E.g. | |
1957 | * virtual core 0 may have only 1 cpu, but virtual core 2 may | |
1958 | * five cpus. | |
1959 | * If the cpu topology is not exported (e.g. 2nd level guest) | |
1960 | * fall back to old calculation scheme. | |
1961 | */ | |
6e509042 | 1962 | if ((fd = ul_path_fopen(desc->procfs, "r", "sysinfo"))) { |
b3adf6ef | 1963 | int t0, t1; |
8648ca96 | 1964 | |
577d1a66 KZ |
1965 | while (fd && fgets(buf, sizeof(buf), fd) != NULL) { |
1966 | if (sscanf(buf, "CPU Topology SW:%d%d%d%d%d%d", | |
b3adf6ef HC |
1967 | &t0, &t1, &drawers, &books_per_drawer, |
1968 | &sockets_per_book, | |
8648ca96 HC |
1969 | &cores_per_socket) == 6) |
1970 | break; | |
1971 | } | |
ad655c88 KZ |
1972 | if (fd) |
1973 | fclose(fd); | |
8648ca96 | 1974 | } |
2c497d32 HC |
1975 | if (desc->mtid) |
1976 | threads_per_core = atoi(desc->mtid) + 1; | |
c82b12a0 | 1977 | add_summary_n(tb, _("Thread(s) per core:"), |
2c497d32 | 1978 | threads_per_core ?: desc->nthreads / desc->ncores); |
c82b12a0 | 1979 | add_summary_n(tb, _("Core(s) per socket:"), |
8648ca96 | 1980 | cores_per_socket ?: desc->ncores / desc->nsockets); |
56baaa4e | 1981 | if (desc->nbooks) { |
c82b12a0 | 1982 | add_summary_n(tb, _("Socket(s) per book:"), |
8648ca96 | 1983 | sockets_per_book ?: desc->nsockets / desc->nbooks); |
b3adf6ef | 1984 | if (desc->ndrawers) { |
c82b12a0 | 1985 | add_summary_n(tb, _("Book(s) per drawer:"), |
b3adf6ef | 1986 | books_per_drawer ?: desc->nbooks / desc->ndrawers); |
c82b12a0 | 1987 | add_summary_n(tb, _("Drawer(s):"), drawers ?: desc->ndrawers); |
b3adf6ef | 1988 | } else { |
c82b12a0 | 1989 | add_summary_n(tb, _("Book(s):"), books_per_drawer ?: desc->nbooks); |
b3adf6ef | 1990 | } |
56baaa4e | 1991 | } else { |
c82b12a0 | 1992 | add_summary_n(tb, _("Socket(s):"), sockets_per_book ?: desc->nsockets); |
56baaa4e | 1993 | } |
5dd7507c | 1994 | } |
7e03f383 | 1995 | if (desc->nnodes) |
c82b12a0 | 1996 | add_summary_n(tb, _("NUMA node(s):"), desc->nnodes); |
e8aa16ee | 1997 | if (desc->vendor) |
c82b12a0 | 1998 | add_summary_s(tb, _("Vendor ID:"), desc->vendor); |
0c28f0c8 | 1999 | if (desc->machinetype) |
c82b12a0 | 2000 | add_summary_s(tb, _("Machine type:"), desc->machinetype); |
e8aa16ee | 2001 | if (desc->family) |
c82b12a0 | 2002 | add_summary_s(tb, _("CPU family:"), desc->family); |
c95e3889 | 2003 | if (desc->model || desc->revision) |
c82b12a0 | 2004 | add_summary_s(tb, _("Model:"), desc->revision ? desc->revision : desc->model); |
c95e3889 | 2005 | if (desc->modelname || desc->cpu) |
c82b12a0 | 2006 | add_summary_s(tb, _("Model name:"), desc->cpu ? desc->cpu : desc->modelname); |
e8aa16ee | 2007 | if (desc->stepping) |
c82b12a0 | 2008 | add_summary_s(tb, _("Stepping:"), desc->stepping); |
16ca0551 KZ |
2009 | if (desc->freqboost >= 0) |
2010 | add_summary_s(tb, _("Frequency boost:"), desc->freqboost ? | |
2011 | _("enabled") : _("disabled")); | |
e8aa16ee | 2012 | if (desc->mhz) |
c82b12a0 | 2013 | add_summary_s(tb, _("CPU MHz:"), desc->mhz); |
4632b288 | 2014 | if (desc->dynamic_mhz) |
c82b12a0 | 2015 | add_summary_s(tb, _("CPU dynamic MHz:"), desc->dynamic_mhz); |
4632b288 | 2016 | if (desc->static_mhz) |
c82b12a0 | 2017 | add_summary_s(tb, _("CPU static MHz:"), desc->static_mhz); |
89222b17 KZ |
2018 | if (desc->maxmhz) |
2019 | add_summary_s(tb, _("CPU max MHz:"), cpu_max_mhz(desc, buf, sizeof(buf))); | |
2020 | if (desc->minmhz) | |
2021 | add_summary_s(tb, _("CPU min MHz:"), cpu_min_mhz(desc, buf, sizeof(buf))); | |
9b8d4d5f | 2022 | if (desc->bogomips) |
c82b12a0 | 2023 | add_summary_s(tb, _("BogoMIPS:"), desc->bogomips); |
e8aa16ee KZ |
2024 | if (desc->virtflag) { |
2025 | if (!strcmp(desc->virtflag, "svm")) | |
c82b12a0 | 2026 | add_summary_s(tb, _("Virtualization:"), "AMD-V"); |
e8aa16ee | 2027 | else if (!strcmp(desc->virtflag, "vmx")) |
c82b12a0 | 2028 | add_summary_s(tb, _("Virtualization:"), "VT-x"); |
5dd7507c | 2029 | } |
10829cd7 | 2030 | if (desc->hypervisor) |
c82b12a0 | 2031 | add_summary_s(tb, _("Hypervisor:"), desc->hypervisor); |
e8aa16ee | 2032 | if (desc->hyper) { |
c82b12a0 KZ |
2033 | add_summary_s(tb, _("Hypervisor vendor:"), hv_vendors[desc->hyper]); |
2034 | add_summary_s(tb, _("Virtualization type:"), _(virt_types[desc->virtype])); | |
c8b64f6d | 2035 | } |
a0fff77e | 2036 | if (desc->dispatching >= 0) |
c82b12a0 | 2037 | add_summary_s(tb, _("Dispatching mode:"), _(disp_modes[desc->dispatching])); |
7e03f383 | 2038 | if (desc->ncaches) { |
7e03f383 | 2039 | for (i = desc->ncaches - 1; i >= 0; i--) { |
e5f72113 KZ |
2040 | uint64_t sz = 0; |
2041 | char *tmp; | |
2011528b | 2042 | struct cpu_cache *ca = &desc->caches[i]; |
e5f72113 | 2043 | |
2011528b | 2044 | if (ca->size == 0) |
e5f72113 | 2045 | continue; |
2011528b KZ |
2046 | if (get_cache_full_size(desc, ca, &sz) != 0 || sz == 0) |
2047 | continue; | |
2048 | if (mod->bytes) | |
2049 | xasprintf(&tmp, "%" PRIu64, sz); | |
2050 | else | |
2051 | tmp = size_to_human_string( | |
e5f72113 KZ |
2052 | SIZE_SUFFIX_3LETTER | SIZE_SUFFIX_SPACE, |
2053 | sz); | |
2011528b | 2054 | snprintf(buf, sizeof(buf), _("%s cache: "), ca->name); |
e5f72113 KZ |
2055 | add_summary_s(tb, buf, tmp); |
2056 | free(tmp); | |
7e03f383 KZ |
2057 | } |
2058 | } | |
28b1658f | 2059 | if (desc->necaches) { |
28b1658f | 2060 | for (i = desc->necaches - 1; i >= 0; i--) { |
0e86bc84 | 2061 | char *tmp; |
2011528b | 2062 | struct cpu_cache *ca = &desc->ecaches[i]; |
0e86bc84 | 2063 | |
2011528b | 2064 | if (ca->size == 0) |
0e86bc84 | 2065 | continue; |
2011528b KZ |
2066 | if (mod->bytes) |
2067 | xasprintf(&tmp, "%" PRIu64, ca->size); | |
2068 | else | |
2069 | tmp = size_to_human_string( | |
0e86bc84 | 2070 | SIZE_SUFFIX_3LETTER | SIZE_SUFFIX_SPACE, |
2011528b KZ |
2071 | ca->size); |
2072 | snprintf(buf, sizeof(buf), _("%s cache: "), ca->name); | |
0e86bc84 KZ |
2073 | add_summary_s(tb, buf, tmp); |
2074 | free(tmp); | |
28b1658f HC |
2075 | } |
2076 | } | |
2077 | ||
4f912c6a | 2078 | for (i = 0; i < desc->nnodes; i++) { |
e9074a16 | 2079 | snprintf(buf, sizeof(buf), _("NUMA node%d CPU(s):"), desc->idx2nodenum[i]); |
c82b12a0 | 2080 | print_cpuset(tb, buf, desc->nodemaps[i], mod->hex); |
5dd7507c | 2081 | } |
ee1f1057 | 2082 | |
bd9b94d1 | 2083 | if (desc->physsockets) { |
c82b12a0 KZ |
2084 | add_summary_n(tb, _("Physical sockets:"), desc->physsockets); |
2085 | add_summary_n(tb, _("Physical chips:"), desc->physchips); | |
2086 | add_summary_n(tb, _("Physical cores/chip:"), desc->physcoresperchip); | |
bd9b94d1 | 2087 | } |
c82b12a0 KZ |
2088 | |
2089 | if (desc->flags) | |
2090 | add_summary_s(tb, _("Flags:"), desc->flags); | |
2091 | ||
2092 | scols_print_table(tb); | |
2093 | scols_unref_table(tb); | |
5dd7507c CQ |
2094 | } |
2095 | ||
6e1eda6f | 2096 | static void __attribute__((__noreturn__)) usage(void) |
5dd7507c | 2097 | { |
6e1eda6f | 2098 | FILE *out = stdout; |
b9d18bc3 KZ |
2099 | size_t i; |
2100 | ||
2101 | fputs(USAGE_HEADER, out); | |
c6f095cf | 2102 | fprintf(out, _(" %s [options]\n"), program_invocation_short_name); |
7f1ec5e8 | 2103 | |
451dbcfa BS |
2104 | fputs(USAGE_SEPARATOR, out); |
2105 | fputs(_("Display information about the CPU architecture.\n"), out); | |
2106 | ||
b9d18bc3 | 2107 | fputs(USAGE_OPTIONS, out); |
c6f095cf BS |
2108 | fputs(_(" -a, --all print both online and offline CPUs (default for -e)\n"), out); |
2109 | fputs(_(" -b, --online print online CPUs only (default for -p)\n"), out); | |
2011528b | 2110 | fputs(_(" -B, --bytes print sizes in bytes rather than in human readable format\n"), out); |
0e86bc84 | 2111 | fputs(_(" -C, --caches[=<list>] info about caches in extended readable format\n"), out); |
c6f095cf | 2112 | fputs(_(" -c, --offline print offline CPUs only\n"), out); |
19a5510b | 2113 | fputs(_(" -J, --json use JSON for default or extended format\n"), out); |
c6f095cf BS |
2114 | fputs(_(" -e, --extended[=<list>] print out an extended readable format\n"), out); |
2115 | fputs(_(" -p, --parse[=<list>] print out a parsable format\n"), out); | |
2116 | fputs(_(" -s, --sysroot <dir> use specified directory as system root\n"), out); | |
2117 | fputs(_(" -x, --hex print hexadecimal masks rather than lists of CPUs\n"), out); | |
0d2b5d2a | 2118 | fputs(_(" -y, --physical print physical instead of logical IDs\n"), out); |
0a31a242 | 2119 | fputs(_(" --output-all print all available columns for -e, -p or -C\n"), out); |
c6f095cf | 2120 | fputs(USAGE_SEPARATOR, out); |
f45f3ec3 | 2121 | printf(USAGE_HELP_OPTIONS(25)); |
b9d18bc3 | 2122 | |
cc07239d KZ |
2123 | fputs(_("\nAvailable output columns for -e or -p:\n"), out); |
2124 | for (i = 0; i < ARRAY_SIZE(coldescs_cpu); i++) | |
2125 | fprintf(out, " %13s %s\n", coldescs_cpu[i].name, _(coldescs_cpu[i].help)); | |
3d27b76a | 2126 | |
0e86bc84 KZ |
2127 | fputs(_("\nAvailable output columns for -C:\n"), out); |
2128 | for (i = 0; i < ARRAY_SIZE(coldescs_cache); i++) | |
2129 | fprintf(out, " %13s %s\n", coldescs_cache[i].name, _(coldescs_cache[i].help)); | |
2130 | ||
f45f3ec3 | 2131 | printf(USAGE_MAN_TAIL("lscpu(1)")); |
4f912c6a | 2132 | |
6e1eda6f | 2133 | exit(EXIT_SUCCESS); |
5dd7507c CQ |
2134 | } |
2135 | ||
2136 | int main(int argc, char *argv[]) | |
2137 | { | |
8005924a | 2138 | struct lscpu_modifier _mod = { .mode = OUTPUT_SUMMARY }, *mod = &_mod; |
87918040 | 2139 | struct lscpu_desc _desc = { .flags = NULL }, *desc = &_desc; |
0e86bc84 | 2140 | int c, i, all = 0; |
cc07239d | 2141 | int columns[ARRAY_SIZE(coldescs_cpu)], ncolumns = 0; |
7fc12cd2 | 2142 | int cpu_modifier_specified = 0; |
538b50cb | 2143 | size_t setsize; |
5dd7507c | 2144 | |
fbf0619b SK |
2145 | enum { |
2146 | OPT_OUTPUT_ALL = CHAR_MAX + 1, | |
2147 | }; | |
6c7d5ae9 | 2148 | static const struct option longopts[] = { |
87918040 SK |
2149 | { "all", no_argument, NULL, 'a' }, |
2150 | { "online", no_argument, NULL, 'b' }, | |
2011528b | 2151 | { "bytes", no_argument, NULL, 'B' }, |
0e86bc84 | 2152 | { "caches", optional_argument, NULL, 'C' }, |
87918040 SK |
2153 | { "offline", no_argument, NULL, 'c' }, |
2154 | { "help", no_argument, NULL, 'h' }, | |
2155 | { "extended", optional_argument, NULL, 'e' }, | |
19a5510b | 2156 | { "json", no_argument, NULL, 'J' }, |
87918040 SK |
2157 | { "parse", optional_argument, NULL, 'p' }, |
2158 | { "sysroot", required_argument, NULL, 's' }, | |
2159 | { "physical", no_argument, NULL, 'y' }, | |
2160 | { "hex", no_argument, NULL, 'x' }, | |
2161 | { "version", no_argument, NULL, 'V' }, | |
fbf0619b | 2162 | { "output-all", no_argument, NULL, OPT_OUTPUT_ALL }, |
87918040 | 2163 | { NULL, 0, NULL, 0 } |
5dd7507c CQ |
2164 | }; |
2165 | ||
8e97eb4b KZ |
2166 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
2167 | { 'a','b','c' }, | |
0e86bc84 | 2168 | { 'C','e','p' }, |
8e97eb4b KZ |
2169 | { 0 } |
2170 | }; | |
2171 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
2172 | ||
2f8f1388 | 2173 | setlocale(LC_ALL, ""); |
5dd7507c CQ |
2174 | bindtextdomain(PACKAGE, LOCALEDIR); |
2175 | textdomain(PACKAGE); | |
efb8854f | 2176 | atexit(close_stdout); |
5dd7507c | 2177 | |
2011528b | 2178 | while ((c = getopt_long(argc, argv, "aBbC::ce::hJp::s:xyV", longopts, NULL)) != -1) { |
8e97eb4b KZ |
2179 | |
2180 | err_exclusive_options(c, longopts, excl, excl_st); | |
2181 | ||
5dd7507c | 2182 | switch (c) { |
0ad29ff6 | 2183 | case 'a': |
7afc2387 | 2184 | mod->online = mod->offline = 1; |
7fc12cd2 | 2185 | cpu_modifier_specified = 1; |
0ad29ff6 | 2186 | break; |
2011528b KZ |
2187 | case 'B': |
2188 | mod->bytes = 1; | |
2189 | break; | |
23e9e95a KZ |
2190 | case 'b': |
2191 | mod->online = 1; | |
7fc12cd2 | 2192 | cpu_modifier_specified = 1; |
23e9e95a | 2193 | break; |
7afc2387 HC |
2194 | case 'c': |
2195 | mod->offline = 1; | |
7fc12cd2 | 2196 | cpu_modifier_specified = 1; |
7afc2387 | 2197 | break; |
0e86bc84 KZ |
2198 | case 'C': |
2199 | if (optarg) { | |
2200 | if (*optarg == '=') | |
2201 | optarg++; | |
2202 | ncolumns = string_to_idarray(optarg, | |
2203 | columns, ARRAY_SIZE(columns), | |
2204 | cache_column_name_to_id); | |
2205 | if (ncolumns < 0) | |
2206 | return EXIT_FAILURE; | |
2207 | } | |
2208 | mod->mode = OUTPUT_CACHES; | |
2209 | break; | |
5dd7507c | 2210 | case 'h': |
6e1eda6f | 2211 | usage(); |
19a5510b KZ |
2212 | case 'J': |
2213 | mod->json = 1; | |
2214 | break; | |
5dd7507c | 2215 | case 'p': |
ba45d8c1 | 2216 | case 'e': |
477251f8 KZ |
2217 | if (optarg) { |
2218 | if (*optarg == '=') | |
2219 | optarg++; | |
2220 | ncolumns = string_to_idarray(optarg, | |
2221 | columns, ARRAY_SIZE(columns), | |
cc07239d | 2222 | cpu_column_name_to_id); |
477251f8 KZ |
2223 | if (ncolumns < 0) |
2224 | return EXIT_FAILURE; | |
477251f8 | 2225 | } |
ba45d8c1 | 2226 | mod->mode = c == 'p' ? OUTPUT_PARSABLE : OUTPUT_READABLE; |
5dd7507c | 2227 | break; |
47b6e8b6 | 2228 | case 's': |
6e509042 | 2229 | desc->prefix = optarg; |
8148217b | 2230 | mod->system = SYSTEM_SNAPSHOT; |
47b6e8b6 | 2231 | break; |
4f912c6a | 2232 | case 'x': |
8005924a | 2233 | mod->hex = 1; |
4f912c6a | 2234 | break; |
0d2b5d2a HC |
2235 | case 'y': |
2236 | mod->physical = 1; | |
2237 | break; | |
44de912c | 2238 | case 'V': |
f6277500 | 2239 | printf(UTIL_LINUX_VERSION); |
44de912c | 2240 | return EXIT_SUCCESS; |
fbf0619b | 2241 | case OPT_OUTPUT_ALL: |
0e86bc84 | 2242 | all = 1; |
fbf0619b | 2243 | break; |
5dd7507c | 2244 | default: |
677ec86c | 2245 | errtryhelp(EXIT_FAILURE); |
5dd7507c CQ |
2246 | } |
2247 | } | |
7bbb7829 | 2248 | |
0a31a242 | 2249 | if (all && ncolumns == 0) { |
0e86bc84 KZ |
2250 | size_t sz, maxsz = mod->mode == OUTPUT_CACHES ? |
2251 | ARRAY_SIZE(coldescs_cache) : | |
2252 | ARRAY_SIZE(coldescs_cpu); | |
2253 | ||
2254 | for (sz = 0; sz < maxsz; sz++) | |
0a31a242 | 2255 | columns[ncolumns++] = sz; |
0e86bc84 KZ |
2256 | } |
2257 | ||
7fc12cd2 HC |
2258 | if (cpu_modifier_specified && mod->mode == OUTPUT_SUMMARY) { |
2259 | fprintf(stderr, | |
2260 | _("%s: options --all, --online and --offline may only " | |
ac56e555 | 2261 | "be used with options --extended or --parse.\n"), |
7fc12cd2 HC |
2262 | program_invocation_short_name); |
2263 | return EXIT_FAILURE; | |
2264 | } | |
2265 | ||
6e1eda6f RM |
2266 | if (argc != optind) { |
2267 | warnx(_("bad usage")); | |
2268 | errtryhelp(EXIT_FAILURE); | |
2269 | } | |
7bbb7829 | 2270 | |
7afc2387 HC |
2271 | /* set default cpu display mode if none was specified */ |
2272 | if (!mod->online && !mod->offline) { | |
2273 | mod->online = 1; | |
2274 | mod->offline = mod->mode == OUTPUT_READABLE ? 1 : 0; | |
2275 | } | |
5dd7507c | 2276 | |
6e509042 KZ |
2277 | ul_path_init_debug(); |
2278 | ||
2279 | /* /sys/devices/system/cpu */ | |
2280 | desc->syscpu = ul_new_path(_PATH_SYS_CPU); | |
2281 | if (!desc->syscpu) | |
2282 | err(EXIT_FAILURE, _("failed to initialize CPUs sysfs handler")); | |
2283 | if (desc->prefix) | |
2284 | ul_path_set_prefix(desc->syscpu, desc->prefix); | |
2285 | ||
2286 | /* /proc */ | |
2287 | desc->procfs = ul_new_path("/proc"); | |
2288 | if (!desc->procfs) | |
2289 | err(EXIT_FAILURE, _("failed to initialize procfs handler")); | |
2290 | if (desc->prefix) | |
2291 | ul_path_set_prefix(desc->procfs, desc->prefix); | |
2292 | ||
8148217b | 2293 | read_basicinfo(desc, mod); |
5dd7507c | 2294 | |
538b50cb SB |
2295 | setsize = CPU_ALLOC_SIZE(maxcpus); |
2296 | ||
a5cfffff | 2297 | for (i = 0; i < desc->ncpuspos; i++) { |
0002704e HC |
2298 | /* only consider present CPUs */ |
2299 | if (desc->present && | |
538b50cb | 2300 | !CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present)) |
0002704e | 2301 | continue; |
7e03f383 KZ |
2302 | read_topology(desc, i); |
2303 | read_cache(desc, i); | |
2b8fcb81 | 2304 | read_polarization(desc, i); |
596b8845 | 2305 | read_address(desc, i); |
d231eea1 | 2306 | read_configured(desc, i); |
44320710 | 2307 | read_max_mhz(desc, i); |
e065a597 | 2308 | read_min_mhz(desc, i); |
47b6e8b6 | 2309 | } |
7e03f383 | 2310 | |
960bf130 KZ |
2311 | if (desc->caches) |
2312 | qsort(desc->caches, desc->ncaches, | |
2313 | sizeof(struct cpu_cache), cachecmp); | |
7e03f383 | 2314 | |
28b1658f HC |
2315 | if (desc->ecaches) |
2316 | qsort(desc->ecaches, desc->necaches, | |
2317 | sizeof(struct cpu_cache), cachecmp); | |
2318 | ||
7e03f383 | 2319 | read_nodes(desc); |
eff79ceb | 2320 | read_hypervisor(desc, mod); |
744d62ee | 2321 | arm_cpu_decode(desc); |
c8b64f6d | 2322 | |
8005924a | 2323 | switch(mod->mode) { |
ba45d8c1 KZ |
2324 | case OUTPUT_SUMMARY: |
2325 | print_summary(desc, mod); | |
2326 | break; | |
0e86bc84 KZ |
2327 | case OUTPUT_CACHES: |
2328 | if (!ncolumns) { | |
2329 | columns[ncolumns++] = COL_CACHE_NAME; | |
2330 | columns[ncolumns++] = COL_CACHE_ONESIZE; | |
2331 | columns[ncolumns++] = COL_CACHE_ALLSIZE; | |
2332 | columns[ncolumns++] = COL_CACHE_WAYS; | |
2333 | columns[ncolumns++] = COL_CACHE_TYPE; | |
2334 | columns[ncolumns++] = COL_CACHE_LEVEL; | |
2335 | } | |
2336 | print_caches_readable(desc, columns, ncolumns, mod); | |
2337 | break; | |
ba45d8c1 KZ |
2338 | case OUTPUT_PARSABLE: |
2339 | if (!ncolumns) { | |
cc07239d KZ |
2340 | columns[ncolumns++] = COL_CPU_CPU; |
2341 | columns[ncolumns++] = COL_CPU_CORE; | |
2342 | columns[ncolumns++] = COL_CPU_SOCKET; | |
2343 | columns[ncolumns++] = COL_CPU_NODE; | |
2344 | columns[ncolumns++] = COL_CPU_CACHE; | |
ba45d8c1 KZ |
2345 | mod->compat = 1; |
2346 | } | |
cc07239d | 2347 | print_cpus_parsable(desc, columns, ncolumns, mod); |
ba45d8c1 KZ |
2348 | break; |
2349 | case OUTPUT_READABLE: | |
2350 | if (!ncolumns) { | |
2351 | /* No list was given. Just print whatever is there. */ | |
cc07239d | 2352 | columns[ncolumns++] = COL_CPU_CPU; |
ba45d8c1 | 2353 | if (desc->nodemaps) |
cc07239d | 2354 | columns[ncolumns++] = COL_CPU_NODE; |
b3adf6ef | 2355 | if (desc->drawermaps) |
cc07239d | 2356 | columns[ncolumns++] = COL_CPU_DRAWER; |
ba45d8c1 | 2357 | if (desc->bookmaps) |
cc07239d | 2358 | columns[ncolumns++] = COL_CPU_BOOK; |
ba45d8c1 | 2359 | if (desc->socketmaps) |
cc07239d | 2360 | columns[ncolumns++] = COL_CPU_SOCKET; |
ba45d8c1 | 2361 | if (desc->coremaps) |
cc07239d | 2362 | columns[ncolumns++] = COL_CPU_CORE; |
ba45d8c1 | 2363 | if (desc->caches) |
cc07239d | 2364 | columns[ncolumns++] = COL_CPU_CACHE; |
a7e5300c | 2365 | if (desc->online) |
cc07239d | 2366 | columns[ncolumns++] = COL_CPU_ONLINE; |
d231eea1 | 2367 | if (desc->configured) |
cc07239d | 2368 | columns[ncolumns++] = COL_CPU_CONFIGURED; |
ba45d8c1 | 2369 | if (desc->polarization) |
cc07239d | 2370 | columns[ncolumns++] = COL_CPU_POLARIZATION; |
ba45d8c1 | 2371 | if (desc->addresses) |
cc07239d | 2372 | columns[ncolumns++] = COL_CPU_ADDRESS; |
e065a597 | 2373 | if (desc->maxmhz) |
cc07239d | 2374 | columns[ncolumns++] = COL_CPU_MAXMHZ; |
e065a597 | 2375 | if (desc->minmhz) |
cc07239d | 2376 | columns[ncolumns++] = COL_CPU_MINMHZ; |
ba45d8c1 | 2377 | } |
cc07239d | 2378 | print_cpus_readable(desc, columns, ncolumns, mod); |
ba45d8c1 | 2379 | break; |
8005924a | 2380 | } |
5dd7507c | 2381 | |
6e509042 KZ |
2382 | ul_unref_path(desc->syscpu); |
2383 | ul_unref_path(desc->procfs); | |
cf474aac | 2384 | return EXIT_SUCCESS; |
5dd7507c | 2385 | } |