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5dd7507c CQ |
1 | /* |
2 | * lscpu - CPU architecture information helper | |
3 | * | |
4 | * Copyright (C) 2008 Cai Qian <qcai@redhat.com> | |
5 | * Copyright (C) 2008 Karel Zak <kzak@redhat.com> | |
6 | * | |
80dde62f | 7 | * This program is free software; you can redistribute it and/or modify |
5dd7507c | 8 | * it under the terms of the GNU General Public License as published by |
80dde62f | 9 | * the Free Software Foundation; either version 2 of the License, or |
5dd7507c CQ |
10 | * (at your option) any later version. |
11 | * | |
80dde62f | 12 | * This program is distributed in the hope that it would be useful, |
5dd7507c CQ |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
7cebf0bb SK |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
5dd7507c CQ |
20 | */ |
21 | ||
5bd31c6d | 22 | #include <assert.h> |
5dd7507c CQ |
23 | #include <ctype.h> |
24 | #include <dirent.h> | |
5dd7507c CQ |
25 | #include <errno.h> |
26 | #include <fcntl.h> | |
27 | #include <getopt.h> | |
28 | #include <stdio.h> | |
29 | #include <stdlib.h> | |
30 | #include <string.h> | |
31 | #include <sys/utsname.h> | |
32 | #include <unistd.h> | |
33 | #include <stdarg.h> | |
39561c70 KZ |
34 | #include <sys/types.h> |
35 | #include <sys/stat.h> | |
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" |
639eeb28 | 64 | #include "fileutils.h" |
71061694 | 65 | |
fb2627ce | 66 | #include "lscpu.h" |
477251f8 | 67 | |
5dd7507c CQ |
68 | #define CACHE_MAX 100 |
69 | ||
70 | /* /sys paths */ | |
d50363cd | 71 | #define _PATH_SYS_SYSTEM "/sys/devices/system" |
6e509042 | 72 | #define _PATH_SYS_HYP_FEATURES "/sys/hypervisor/properties/features" |
7e03f383 | 73 | #define _PATH_SYS_CPU _PATH_SYS_SYSTEM "/cpu" |
e9074a16 | 74 | #define _PATH_SYS_NODE _PATH_SYS_SYSTEM "/node" |
5dd7507c | 75 | |
0ebbe9f1 DZ |
76 | /* Xen Domain feature flag used for /sys/hypervisor/properties/features */ |
77 | #define XENFEAT_supervisor_mode_kernel 3 | |
78 | #define XENFEAT_mmu_pt_update_preserve_ad 5 | |
79 | #define XENFEAT_hvm_callback_vector 8 | |
80 | ||
81 | #define XEN_FEATURES_PV_MASK (1U << XENFEAT_mmu_pt_update_preserve_ad) | |
82 | #define XEN_FEATURES_PVH_MASK ( (1U << XENFEAT_supervisor_mode_kernel) \ | |
83 | | (1U << XENFEAT_hvm_callback_vector) ) | |
84 | ||
2ba641e5 | 85 | static const char *virt_types[] = { |
c8b64f6d KZ |
86 | [VIRT_NONE] = N_("none"), |
87 | [VIRT_PARA] = N_("para"), | |
857d9cdf KZ |
88 | [VIRT_FULL] = N_("full"), |
89 | [VIRT_CONT] = N_("container"), | |
c8b64f6d KZ |
90 | }; |
91 | ||
2ba641e5 | 92 | static const char *hv_vendors[] = { |
c8b64f6d KZ |
93 | [HYPER_NONE] = NULL, |
94 | [HYPER_XEN] = "Xen", | |
95 | [HYPER_KVM] = "KVM", | |
99fbc877 | 96 | [HYPER_MSHV] = "Microsoft", |
b8ec7bdf | 97 | [HYPER_VMWARE] = "VMware", |
fb2627ce OO |
98 | [HYPER_IBM] = "IBM", |
99 | [HYPER_VSERVER] = "Linux-VServer", | |
100 | [HYPER_UML] = "User-mode Linux", | |
101 | [HYPER_INNOTEK] = "Innotek GmbH", | |
102 | [HYPER_HITACHI] = "Hitachi", | |
96ce475f RM |
103 | [HYPER_PARALLELS] = "Parallels", |
104 | [HYPER_VBOX] = "Oracle", | |
5bd31c6d RM |
105 | [HYPER_OS400] = "OS/400", |
106 | [HYPER_PHYP] = "pHyp", | |
7572fb2b SB |
107 | [HYPER_SPAR] = "Unisys s-Par", |
108 | [HYPER_WSL] = "Windows Subsystem for Linux" | |
96ce475f RM |
109 | }; |
110 | ||
2ba641e5 | 111 | static const int hv_vendor_pci[] = { |
96ce475f RM |
112 | [HYPER_NONE] = 0x0000, |
113 | [HYPER_XEN] = 0x5853, | |
114 | [HYPER_KVM] = 0x0000, | |
115 | [HYPER_MSHV] = 0x1414, | |
116 | [HYPER_VMWARE] = 0x15ad, | |
117 | [HYPER_VBOX] = 0x80ee, | |
118 | }; | |
119 | ||
2ba641e5 | 120 | static const int hv_graphics_pci[] = { |
96ce475f RM |
121 | [HYPER_NONE] = 0x0000, |
122 | [HYPER_XEN] = 0x0001, | |
123 | [HYPER_KVM] = 0x0000, | |
124 | [HYPER_MSHV] = 0x5353, | |
125 | [HYPER_VMWARE] = 0x0710, | |
126 | [HYPER_VBOX] = 0xbeef, | |
c8b64f6d KZ |
127 | }; |
128 | ||
e8aa16ee | 129 | |
a0fff77e | 130 | /* dispatching modes */ |
2ba641e5 | 131 | static const char *disp_modes[] = { |
a0fff77e HC |
132 | [DISP_HORIZONTAL] = N_("horizontal"), |
133 | [DISP_VERTICAL] = N_("vertical") | |
134 | }; | |
135 | ||
2ba641e5 | 136 | static struct polarization_modes polar_modes[] = { |
8005924a KZ |
137 | [POLAR_UNKNOWN] = {"U", "-"}, |
138 | [POLAR_VLOW] = {"VL", "vert-low"}, | |
139 | [POLAR_VMEDIUM] = {"VM", "vert-medium"}, | |
140 | [POLAR_VHIGH] = {"VH", "vert-high"}, | |
141 | [POLAR_HORIZONTAL] = {"H", "horizontal"}, | |
2b8fcb81 HC |
142 | }; |
143 | ||
7e03f383 | 144 | static int maxcpus; /* size in bits of kernel cpu mask */ |
5dd7507c | 145 | |
aac1e59e | 146 | #define is_cpu_online(_d, _cpu) \ |
a5cfffff TK |
147 | ((_d) && (_d)->online ? \ |
148 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->online) : 0) | |
149 | #define is_cpu_present(_d, _cpu) \ | |
150 | ((_d) && (_d)->present ? \ | |
151 | CPU_ISSET_S((_cpu), CPU_ALLOC_SIZE(maxcpus), (_d)->present) : 0) | |
aac1e59e | 152 | |
4f642863 AT |
153 | #define real_cpu_num(_d, _i) ((_d)->idx2cpunum[(_i)]) |
154 | ||
477251f8 | 155 | /* |
3d27b76a | 156 | * IDs |
477251f8 KZ |
157 | */ |
158 | enum { | |
cc07239d KZ |
159 | COL_CPU_CPU, |
160 | COL_CPU_CORE, | |
161 | COL_CPU_SOCKET, | |
162 | COL_CPU_NODE, | |
163 | COL_CPU_BOOK, | |
164 | COL_CPU_DRAWER, | |
165 | COL_CPU_CACHE, | |
166 | COL_CPU_POLARIZATION, | |
167 | COL_CPU_ADDRESS, | |
168 | COL_CPU_CONFIGURED, | |
169 | COL_CPU_ONLINE, | |
170 | COL_CPU_MAXMHZ, | |
171 | COL_CPU_MINMHZ, | |
477251f8 KZ |
172 | }; |
173 | ||
0e86bc84 KZ |
174 | enum { |
175 | COL_CACHE_ALLSIZE, | |
176 | COL_CACHE_LEVEL, | |
177 | COL_CACHE_NAME, | |
178 | COL_CACHE_ONESIZE, | |
179 | COL_CACHE_TYPE, | |
180 | COL_CACHE_WAYS, | |
181 | }; | |
182 | ||
183 | ||
3d27b76a KZ |
184 | /* column description |
185 | */ | |
186 | struct lscpu_coldesc { | |
187 | const char *name; | |
188 | const char *help; | |
189 | ||
0e86bc84 | 190 | int flags; |
3d27b76a | 191 | unsigned int is_abbr:1; /* name is abbreviation */ |
477251f8 KZ |
192 | }; |
193 | ||
cc07239d | 194 | static struct lscpu_coldesc coldescs_cpu[] = |
3d27b76a | 195 | { |
2ec00a10 KZ |
196 | [COL_CPU_CPU] = { "CPU", N_("logical CPU number"), SCOLS_FL_RIGHT, 1 }, |
197 | [COL_CPU_CORE] = { "CORE", N_("logical core number"), SCOLS_FL_RIGHT }, | |
198 | [COL_CPU_SOCKET] = { "SOCKET", N_("logical socket number"), SCOLS_FL_RIGHT }, | |
199 | [COL_CPU_NODE] = { "NODE", N_("logical NUMA node number"), SCOLS_FL_RIGHT }, | |
200 | [COL_CPU_BOOK] = { "BOOK", N_("logical book number"), SCOLS_FL_RIGHT }, | |
201 | [COL_CPU_DRAWER] = { "DRAWER", N_("logical drawer number"), SCOLS_FL_RIGHT }, | |
cc07239d KZ |
202 | [COL_CPU_CACHE] = { "CACHE", N_("shows how caches are shared between CPUs") }, |
203 | [COL_CPU_POLARIZATION] = { "POLARIZATION", N_("CPU dispatching mode on virtual hardware") }, | |
204 | [COL_CPU_ADDRESS] = { "ADDRESS", N_("physical address of a CPU") }, | |
205 | [COL_CPU_CONFIGURED] = { "CONFIGURED", N_("shows if the hypervisor has allocated the CPU") }, | |
2ec00a10 KZ |
206 | [COL_CPU_ONLINE] = { "ONLINE", N_("shows if Linux currently makes use of the CPU"), SCOLS_FL_RIGHT }, |
207 | [COL_CPU_MAXMHZ] = { "MAXMHZ", N_("shows the maximum MHz of the CPU"), SCOLS_FL_RIGHT }, | |
208 | [COL_CPU_MINMHZ] = { "MINMHZ", N_("shows the minimum MHz of the CPU"), SCOLS_FL_RIGHT } | |
0e86bc84 KZ |
209 | }; |
210 | ||
211 | static struct lscpu_coldesc coldescs_cache[] = | |
212 | { | |
213 | [COL_CACHE_ALLSIZE] = { "ALL-SIZE", N_("size of all system caches"), SCOLS_FL_RIGHT }, | |
214 | [COL_CACHE_LEVEL] = { "LEVEL", N_("cache level"), SCOLS_FL_RIGHT }, | |
215 | [COL_CACHE_NAME] = { "NAME", N_("cache name") }, | |
216 | [COL_CACHE_ONESIZE] = { "ONE-SIZE", N_("size of one cache"), SCOLS_FL_RIGHT }, | |
217 | [COL_CACHE_TYPE] = { "TYPE", N_("cache type") }, | |
218 | [COL_CACHE_WAYS] = { "WAYS", N_("ways of associativity"), SCOLS_FL_RIGHT } | |
3d27b76a | 219 | }; |
477251f8 | 220 | |
0e86bc84 KZ |
221 | |
222 | static int get_cache_full_size(struct lscpu_desc *desc, struct cpu_cache *ca, uint64_t *res); | |
223 | ||
583f14cc | 224 | static int |
cc07239d | 225 | cpu_column_name_to_id(const char *name, size_t namesz) |
477251f8 | 226 | { |
329fd1c3 | 227 | size_t i; |
477251f8 | 228 | |
cc07239d KZ |
229 | for (i = 0; i < ARRAY_SIZE(coldescs_cpu); i++) { |
230 | const char *cn = coldescs_cpu[i].name; | |
477251f8 KZ |
231 | |
232 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
233 | return i; | |
234 | } | |
235 | warnx(_("unknown column: %s"), name); | |
236 | return -1; | |
237 | } | |
238 | ||
0e86bc84 KZ |
239 | static int |
240 | cache_column_name_to_id(const char *name, size_t namesz) | |
241 | { | |
242 | size_t i; | |
243 | ||
244 | for (i = 0; i < ARRAY_SIZE(coldescs_cache); i++) { | |
245 | const char *cn = coldescs_cache[i].name; | |
246 | ||
247 | if (!strncasecmp(name, cn, namesz) && !*(cn + namesz)) | |
248 | return i; | |
249 | } | |
250 | warnx(_("unknown column: %s"), name); | |
251 | return -1; | |
252 | } | |
253 | ||
5dd7507c CQ |
254 | /* Lookup a pattern and get the value from cpuinfo. |
255 | * Format is: | |
256 | * | |
257 | * "<pattern> : <key>" | |
258 | */ | |
583f14cc KZ |
259 | static int |
260 | lookup(char *line, char *pattern, char **value) | |
5dd7507c CQ |
261 | { |
262 | char *p, *v; | |
263 | int len = strlen(pattern); | |
264 | ||
e5fc6d6f RM |
265 | /* don't re-fill already found tags, first one wins */ |
266 | if (!*line || *value) | |
5dd7507c CQ |
267 | return 0; |
268 | ||
269 | /* pattern */ | |
270 | if (strncmp(line, pattern, len)) | |
271 | return 0; | |
272 | ||
273 | /* white spaces */ | |
274 | for (p = line + len; isspace(*p); p++); | |
275 | ||
276 | /* separator */ | |
277 | if (*p != ':') | |
278 | return 0; | |
279 | ||
280 | /* white spaces */ | |
281 | for (++p; isspace(*p); p++); | |
282 | ||
283 | /* value */ | |
284 | if (!*p) | |
285 | return 0; | |
286 | v = p; | |
287 | ||
288 | /* end of value */ | |
289 | len = strlen(line) - 1; | |
290 | for (p = line + len; isspace(*(p-1)); p--); | |
291 | *p = '\0'; | |
292 | ||
293 | *value = xstrdup(v); | |
294 | return 1; | |
295 | } | |
296 | ||
28b1658f HC |
297 | /* Parse extra cache lines contained within /proc/cpuinfo but which are not |
298 | * part of the cache topology information within the sysfs filesystem. | |
299 | * This is true for all shared caches on e.g. s390. When there are layers of | |
300 | * hypervisors in between it is not knows which CPUs share which caches. | |
301 | * Therefore information about shared caches is only available in | |
302 | * /proc/cpuinfo. | |
303 | * Format is: | |
304 | * "cache<nr> : level=<lvl> type=<type> scope=<scope> size=<size> line_size=<lsz> associativity=<as>" | |
305 | */ | |
306 | static int | |
307 | lookup_cache(char *line, struct lscpu_desc *desc) | |
308 | { | |
309 | struct cpu_cache *cache; | |
310 | long long size; | |
311 | char *p, type; | |
312 | int level; | |
313 | ||
314 | /* Make sure line starts with "cache<nr> :" */ | |
315 | if (strncmp(line, "cache", 5)) | |
316 | return 0; | |
317 | for (p = line + 5; isdigit(*p); p++); | |
318 | for (; isspace(*p); p++); | |
319 | if (*p != ':') | |
320 | return 0; | |
321 | ||
322 | p = strstr(line, "scope=") + 6; | |
323 | /* Skip private caches, also present in sysfs */ | |
324 | if (!p || strncmp(p, "Private", 7) == 0) | |
325 | return 0; | |
326 | p = strstr(line, "level="); | |
81a307bd KZ |
327 | if (!p || sscanf(p, "level=%d", &level) != 1) |
328 | return 0; | |
28b1658f | 329 | p = strstr(line, "type=") + 5; |
81a307bd KZ |
330 | if (!p || !*p) |
331 | return 0; | |
28b1658f HC |
332 | type = 0; |
333 | if (strncmp(p, "Data", 4) == 0) | |
334 | type = 'd'; | |
0e86bc84 | 335 | else if (strncmp(p, "Instruction", 11) == 0) |
28b1658f | 336 | type = 'i'; |
0e86bc84 KZ |
337 | else if (strncmp(p, "Unified", 7) == 0) |
338 | type = 'u'; | |
28b1658f | 339 | p = strstr(line, "size="); |
81a307bd KZ |
340 | if (!p || sscanf(p, "size=%lld", &size) != 1) |
341 | return 0; | |
342 | ||
28b1658f HC |
343 | desc->necaches++; |
344 | desc->ecaches = xrealloc(desc->ecaches, | |
345 | desc->necaches * sizeof(struct cpu_cache)); | |
346 | cache = &desc->ecaches[desc->necaches - 1]; | |
347 | memset(cache, 0 , sizeof(*cache)); | |
0e86bc84 KZ |
348 | |
349 | if (type == 'i' || type == 'd') | |
28b1658f HC |
350 | xasprintf(&cache->name, "L%d%c", level, type); |
351 | else | |
352 | xasprintf(&cache->name, "L%d", level); | |
0e86bc84 KZ |
353 | |
354 | cache->level = level; | |
355 | cache->size = size * 1024; | |
356 | ||
357 | cache->type = type == 'i' ? xstrdup("Instruction") : | |
358 | type == 'd' ? xstrdup("Data") : | |
359 | type == 'u' ? xstrdup("Unified") : NULL; | |
28b1658f HC |
360 | return 1; |
361 | } | |
362 | ||
f633ad4e KZ |
363 | /* Don't init the mode for platforms where we are not able to |
364 | * detect that CPU supports 64-bit mode. | |
365 | */ | |
366 | static int | |
8148217b | 367 | init_mode(struct lscpu_modifier *mod) |
f633ad4e KZ |
368 | { |
369 | int m = 0; | |
370 | ||
8148217b | 371 | if (mod->system == SYSTEM_SNAPSHOT) |
4e740fd8 KZ |
372 | /* reading info from any /{sys,proc} dump, don't mix it with |
373 | * information about our real CPU */ | |
374 | return 0; | |
375 | ||
f633ad4e KZ |
376 | #if defined(__alpha__) || defined(__ia64__) |
377 | m |= MODE_64BIT; /* 64bit platforms only */ | |
378 | #endif | |
379 | /* platforms with 64bit flag in /proc/cpuinfo, define | |
380 | * 32bit default here */ | |
381 | #if defined(__i386__) || defined(__x86_64__) || \ | |
c487c90c | 382 | defined(__s390x__) || defined(__s390__) || defined(__sparc_v9__) |
f633ad4e KZ |
383 | m |= MODE_32BIT; |
384 | #endif | |
32865bd5 JL |
385 | |
386 | #if defined(__aarch64__) | |
387 | { | |
388 | /* personality() is the most reliable way (since 4.7) | |
389 | * to determine aarch32 support */ | |
390 | int pers = personality(PER_LINUX32); | |
391 | if (pers != -1) { | |
392 | personality(pers); | |
393 | m |= MODE_32BIT; | |
394 | } | |
395 | m |= MODE_64BIT; | |
396 | } | |
397 | #endif | |
f633ad4e KZ |
398 | return m; |
399 | } | |
400 | ||
bd9b94d1 SB |
401 | #if defined(HAVE_LIBRTAS) |
402 | #define PROCESSOR_MODULE_INFO 43 | |
403 | static int strbe16toh(const char *buf, int offset) | |
404 | { | |
405 | return (buf[offset] << 8) + buf[offset+1]; | |
406 | } | |
407 | ||
408 | static void read_physical_info_powerpc(struct lscpu_desc *desc) | |
409 | { | |
410 | char buf[BUFSIZ]; | |
411 | int rc, len, ntypes; | |
412 | ||
413 | desc->physsockets = desc->physchips = desc->physcoresperchip = 0; | |
414 | ||
415 | rc = rtas_get_sysparm(PROCESSOR_MODULE_INFO, sizeof(buf), buf); | |
416 | if (rc < 0) | |
417 | return; | |
418 | ||
419 | len = strbe16toh(buf, 0); | |
420 | if (len < 8) | |
421 | return; | |
422 | ||
423 | ntypes = strbe16toh(buf, 2); | |
424 | ||
425 | assert(ntypes <= 1); | |
426 | if (!ntypes) | |
427 | return; | |
428 | ||
429 | desc->physsockets = strbe16toh(buf, 4); | |
430 | desc->physchips = strbe16toh(buf, 6); | |
431 | desc->physcoresperchip = strbe16toh(buf, 8); | |
432 | } | |
433 | #else | |
434 | static void read_physical_info_powerpc( | |
435 | struct lscpu_desc *desc __attribute__((__unused__))) | |
436 | { | |
437 | } | |
438 | #endif | |
439 | ||
639eeb28 KZ |
440 | static int cmp_vulnerability_name(const void *a0, const void *b0) |
441 | { | |
442 | const struct cpu_vulnerability *a = (const struct cpu_vulnerability *) a0, | |
443 | *b = (const struct cpu_vulnerability *) b0; | |
444 | return strcmp(a->name, b->name); | |
445 | } | |
446 | ||
447 | static void read_vulnerabilities(struct lscpu_desc *desc) | |
448 | { | |
449 | struct dirent *d; | |
450 | DIR *dir = ul_path_opendir(desc->syscpu, "vulnerabilities"); | |
451 | int n = 0; | |
452 | ||
453 | if (!dir) | |
454 | return; | |
455 | ||
456 | desc->nvuls = n = 0; | |
457 | ||
458 | while (xreaddir(dir)) | |
459 | n++; | |
460 | if (!n) | |
461 | return; | |
462 | ||
463 | rewinddir(dir); | |
464 | desc->vuls = xcalloc(n, sizeof(struct cpu_vulnerability)); | |
465 | ||
466 | while (desc->nvuls < n && (d = xreaddir(dir))) { | |
467 | char *str, *p; | |
468 | struct cpu_vulnerability *vu; | |
469 | ||
470 | #ifdef _DIRENT_HAVE_D_TYPE | |
471 | if (d->d_type == DT_DIR || d->d_type == DT_UNKNOWN) | |
472 | continue; | |
473 | #endif | |
474 | if (ul_path_readf_string(desc->syscpu, &str, | |
475 | "vulnerabilities/%s", d->d_name) <= 0) | |
476 | continue; | |
477 | ||
478 | vu = &desc->vuls[desc->nvuls++]; | |
479 | ||
480 | /* Name */ | |
481 | vu->name = xstrdup(d->d_name); | |
482 | *vu->name = toupper(*vu->name); | |
483 | strrep(vu->name, '_', ' '); | |
484 | ||
485 | /* Description */ | |
486 | vu->text = str; | |
487 | p = (char *) startswith(vu->text, "Mitigation"); | |
488 | if (p) { | |
489 | *p = ';'; | |
490 | strrem(vu->text, ':'); | |
491 | } | |
492 | } | |
493 | closedir(dir); | |
494 | ||
495 | qsort(desc->vuls, desc->nvuls, | |
496 | sizeof(struct cpu_vulnerability), cmp_vulnerability_name); | |
497 | } | |
498 | ||
499 | ||
500 | ||
744d62ee | 501 | |
5dd7507c | 502 | static void |
8148217b | 503 | read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 504 | { |
6e509042 | 505 | FILE *fp; |
5dd7507c CQ |
506 | char buf[BUFSIZ]; |
507 | struct utsname utsbuf; | |
a5cfffff | 508 | size_t setsize; |
6e509042 | 509 | cpu_set_t *cpuset = NULL; |
5dd7507c CQ |
510 | |
511 | /* architecture */ | |
512 | if (uname(&utsbuf) == -1) | |
513 | err(EXIT_FAILURE, _("error: uname failed")); | |
6e509042 KZ |
514 | |
515 | fp = ul_path_fopen(desc->procfs, "r", "cpuinfo"); | |
516 | if (!fp) | |
517 | err(EXIT_FAILURE, _("cannot open %s"), "/proc/cpuinfo"); | |
e8aa16ee | 518 | desc->arch = xstrdup(utsbuf.machine); |
5dd7507c | 519 | |
5dd7507c CQ |
520 | /* details */ |
521 | while (fgets(buf, sizeof(buf), fp) != NULL) { | |
e8aa16ee KZ |
522 | if (lookup(buf, "vendor", &desc->vendor)) ; |
523 | else if (lookup(buf, "vendor_id", &desc->vendor)) ; | |
744d62ee | 524 | else if (lookup(buf, "CPU implementer", &desc->vendor)) ; /* ARM and aarch64 */ |
e8aa16ee KZ |
525 | else if (lookup(buf, "family", &desc->family)) ; |
526 | else if (lookup(buf, "cpu family", &desc->family)) ; | |
86c4817e | 527 | else if (lookup(buf, "model", &desc->model)) ; |
744d62ee | 528 | else if (lookup(buf, "CPU part", &desc->model)) ; /* ARM and aarch64 */ |
86c4817e | 529 | else if (lookup(buf, "model name", &desc->modelname)) ; |
e8aa16ee | 530 | else if (lookup(buf, "stepping", &desc->stepping)) ; |
744d62ee | 531 | else if (lookup(buf, "CPU variant", &desc->stepping)) ; /* aarch64 */ |
e8aa16ee | 532 | else if (lookup(buf, "cpu MHz", &desc->mhz)) ; |
4632b288 HC |
533 | else if (lookup(buf, "cpu MHz dynamic", &desc->dynamic_mhz)) ; /* s390 */ |
534 | else if (lookup(buf, "cpu MHz static", &desc->static_mhz)) ; /* s390 */ | |
f633ad4e KZ |
535 | else if (lookup(buf, "flags", &desc->flags)) ; /* x86 */ |
536 | else if (lookup(buf, "features", &desc->flags)) ; /* s390 */ | |
a3c455ac | 537 | else if (lookup(buf, "Features", &desc->flags)) ; /* aarch64 */ |
c487c90c | 538 | else if (lookup(buf, "type", &desc->flags)) ; /* sparc64 */ |
9b8d4d5f | 539 | else if (lookup(buf, "bogomips", &desc->bogomips)) ; |
a3c455ac | 540 | else if (lookup(buf, "BogoMIPS", &desc->bogomips)) ; /* aarch64 */ |
abcd6368 | 541 | else if (lookup(buf, "bogomips per cpu", &desc->bogomips)) ; /* s390 */ |
c95e3889 RM |
542 | else if (lookup(buf, "cpu", &desc->cpu)) ; |
543 | else if (lookup(buf, "revision", &desc->revision)) ; | |
a3c455ac | 544 | else if (lookup(buf, "CPU revision", &desc->revision)) ; /* aarch64 */ |
2c497d32 | 545 | else if (lookup(buf, "max thread id", &desc->mtid)) ; /* s390 */ |
3e48ef72 | 546 | else if (lookup(buf, "address sizes", &desc->addrsz)) ; /* x86 */ |
28b1658f | 547 | else if (lookup_cache(buf, desc)) ; |
5dd7507c CQ |
548 | else |
549 | continue; | |
550 | } | |
c8b64f6d | 551 | |
8148217b | 552 | desc->mode = init_mode(mod); |
f633ad4e | 553 | |
e8aa16ee KZ |
554 | if (desc->flags) { |
555 | snprintf(buf, sizeof(buf), " %s ", desc->flags); | |
c8b64f6d | 556 | if (strstr(buf, " svm ")) |
8290a249 | 557 | desc->virtflag = xstrdup("svm"); |
c8b64f6d | 558 | else if (strstr(buf, " vmx ")) |
8290a249 | 559 | desc->virtflag = xstrdup("vmx"); |
79e8b41a | 560 | if (strstr(buf, " lm ")) |
f633ad4e KZ |
561 | desc->mode |= MODE_32BIT | MODE_64BIT; /* x86_64 */ |
562 | if (strstr(buf, " zarch ")) | |
563 | desc->mode |= MODE_32BIT | MODE_64BIT; /* s390x */ | |
c487c90c KZ |
564 | if (strstr(buf, " sun4v ") || strstr(buf, " sun4u ")) |
565 | desc->mode |= MODE_32BIT | MODE_64BIT; /* sparc64 */ | |
c8b64f6d KZ |
566 | } |
567 | ||
4581b716 KZ |
568 | if (desc->arch && mod->system != SYSTEM_SNAPSHOT) { |
569 | if (strcmp(desc->arch, "ppc64") == 0) | |
570 | desc->mode |= MODE_32BIT | MODE_64BIT; | |
571 | else if (strcmp(desc->arch, "ppc") == 0) | |
572 | desc->mode |= MODE_32BIT; | |
573 | } | |
574 | ||
5dd7507c | 575 | fclose(fp); |
7e03f383 | 576 | |
6e509042 | 577 | if (ul_path_read_s32(desc->syscpu, &maxcpus, "kernel_max") == 0) |
3d6e5c35 | 578 | /* note that kernel_max is maximum index [NR_CPUS-1] */ |
6e509042 | 579 | maxcpus += 1; |
7e03f383 | 580 | |
8148217b | 581 | else if (mod->system == SYSTEM_LIVE) |
7e03f383 KZ |
582 | /* the root is '/' so we are working with data from the current kernel */ |
583 | maxcpus = get_max_number_of_cpus(); | |
701e2b8e KZ |
584 | |
585 | if (maxcpus <= 0) | |
586 | /* error or we are reading some /sys snapshot instead of the | |
587 | * real /sys, let's use any crazy number... */ | |
a5cfffff TK |
588 | maxcpus = 2048; |
589 | ||
590 | setsize = CPU_ALLOC_SIZE(maxcpus); | |
591 | ||
6e509042 | 592 | if (ul_path_readf_cpulist(desc->syscpu, &cpuset, maxcpus, "possible") == 0) { |
4f642863 AT |
593 | int num, idx; |
594 | ||
6e509042 | 595 | desc->ncpuspos = CPU_COUNT_S(setsize, cpuset); |
4f642863 AT |
596 | desc->idx2cpunum = xcalloc(desc->ncpuspos, sizeof(int)); |
597 | ||
598 | for (num = 0, idx = 0; num < maxcpus; num++) { | |
6e509042 | 599 | if (CPU_ISSET_S(num, setsize, cpuset)) |
4f642863 AT |
600 | desc->idx2cpunum[idx++] = num; |
601 | } | |
6e509042 KZ |
602 | cpuset_free(cpuset); |
603 | cpuset = NULL; | |
a5cfffff TK |
604 | } else |
605 | err(EXIT_FAILURE, _("failed to determine number of CPUs: %s"), | |
1d56b55e | 606 | _PATH_SYS_CPU "/possible"); |
a5cfffff TK |
607 | |
608 | ||
609 | /* get mask for present CPUs */ | |
6e509042 | 610 | if (ul_path_readf_cpulist(desc->syscpu, &desc->present, maxcpus, "present") == 0) |
a5cfffff | 611 | desc->ncpus = CPU_COUNT_S(setsize, desc->present); |
aac1e59e KZ |
612 | |
613 | /* get mask for online CPUs */ | |
6e509042 | 614 | if (ul_path_readf_cpulist(desc->syscpu, &desc->online, maxcpus, "online") == 0) |
e282eec2 | 615 | desc->nthreads = CPU_COUNT_S(setsize, desc->online); |
a0fff77e HC |
616 | |
617 | /* get dispatching mode */ | |
6e509042 | 618 | if (ul_path_read_s32(desc->syscpu, &desc->dispatching, "dispatching") != 0) |
a0fff77e | 619 | desc->dispatching = -1; |
bd9b94d1 | 620 | |
16ca0551 KZ |
621 | /* get cpufreq boost mode */ |
622 | if (ul_path_read_s32(desc->syscpu, &desc->freqboost, "cpufreq/boost") != 0) | |
623 | desc->freqboost = -1; | |
624 | ||
bd9b94d1 SB |
625 | if (mod->system == SYSTEM_LIVE) |
626 | read_physical_info_powerpc(desc); | |
0c28f0c8 | 627 | |
6e509042 | 628 | if ((fp = ul_path_fopen(desc->procfs, "r", "sysinfo"))) { |
fe2e38f3 KZ |
629 | while (fgets(buf, sizeof(buf), fp) != NULL) { |
630 | if (lookup(buf, "Type", &desc->machinetype)) | |
631 | break; | |
632 | } | |
904ffe1f | 633 | fclose(fp); |
0c28f0c8 | 634 | } |
639eeb28 KZ |
635 | |
636 | /* vulnerabilities */ | |
637 | if (ul_path_access(desc->syscpu, F_OK, "vulnerabilities") == 0) | |
638 | read_vulnerabilities(desc); | |
5dd7507c CQ |
639 | } |
640 | ||
c8b64f6d | 641 | static int |
6e509042 | 642 | has_pci_device(struct lscpu_desc *desc, unsigned int vendor, unsigned int device) |
c8b64f6d KZ |
643 | { |
644 | FILE *f; | |
13cf6fc8 | 645 | unsigned int num, fn, ven, dev; |
c8b64f6d KZ |
646 | int res = 1; |
647 | ||
6e509042 | 648 | f = ul_path_fopen(desc->procfs, "r", "bus/pci/devices"); |
c8b64f6d KZ |
649 | if (!f) |
650 | return 0; | |
651 | ||
652 | /* for more details about bus/pci/devices format see | |
653 | * drivers/pci/proc.c in linux kernel | |
654 | */ | |
655 | while(fscanf(f, "%02x%02x\t%04x%04x\t%*[^\n]", | |
656 | &num, &fn, &ven, &dev) == 4) { | |
657 | ||
658 | if (ven == vendor && dev == device) | |
659 | goto found; | |
660 | } | |
661 | ||
662 | res = 0; | |
663 | found: | |
664 | fclose(f); | |
665 | return res; | |
666 | } | |
667 | ||
668 | #if defined(__x86_64__) || defined(__i386__) | |
669 | ||
670 | /* | |
671 | * This CPUID leaf returns the information about the hypervisor. | |
672 | * EAX : maximum input value for CPUID supported by the hypervisor. | |
673 | * EBX, ECX, EDX : Hypervisor vendor ID signature. E.g. VMwareVMware. | |
674 | */ | |
675 | #define HYPERVISOR_INFO_LEAF 0x40000000 | |
676 | ||
677 | static inline void | |
678 | cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, | |
679 | unsigned int *ecx, unsigned int *edx) | |
680 | { | |
c9239f23 MF |
681 | __asm__( |
682 | #if defined(__PIC__) && defined(__i386__) | |
683 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
7845b91d | 684 | "xchg %%ebx, %%esi;" |
c9239f23 | 685 | "cpuid;" |
7845b91d | 686 | "xchg %%esi, %%ebx;" |
c9239f23 MF |
687 | : "=S" (*ebx), |
688 | #else | |
689 | "cpuid;" | |
690 | : "=b" (*ebx), | |
691 | #endif | |
692 | "=a" (*eax), | |
c8b64f6d KZ |
693 | "=c" (*ecx), |
694 | "=d" (*edx) | |
bc54770d | 695 | : "1" (op), "c"(0)); |
c8b64f6d KZ |
696 | } |
697 | ||
698 | static void | |
e8aa16ee | 699 | read_hypervisor_cpuid(struct lscpu_desc *desc) |
c8b64f6d KZ |
700 | { |
701 | unsigned int eax = 0, ebx = 0, ecx = 0, edx = 0; | |
702 | char hyper_vendor_id[13]; | |
703 | ||
704 | memset(hyper_vendor_id, 0, sizeof(hyper_vendor_id)); | |
705 | ||
706 | cpuid(HYPERVISOR_INFO_LEAF, &eax, &ebx, &ecx, &edx); | |
707 | memcpy(hyper_vendor_id + 0, &ebx, 4); | |
708 | memcpy(hyper_vendor_id + 4, &ecx, 4); | |
709 | memcpy(hyper_vendor_id + 8, &edx, 4); | |
710 | hyper_vendor_id[12] = '\0'; | |
711 | ||
712 | if (!hyper_vendor_id[0]) | |
713 | return; | |
714 | ||
715 | if (!strncmp("XenVMMXenVMM", hyper_vendor_id, 12)) | |
e8aa16ee | 716 | desc->hyper = HYPER_XEN; |
c8b64f6d | 717 | else if (!strncmp("KVMKVMKVM", hyper_vendor_id, 9)) |
e8aa16ee | 718 | desc->hyper = HYPER_KVM; |
c8b64f6d | 719 | else if (!strncmp("Microsoft Hv", hyper_vendor_id, 12)) |
e8aa16ee | 720 | desc->hyper = HYPER_MSHV; |
99fbc877 SH |
721 | else if (!strncmp("VMwareVMware", hyper_vendor_id, 12)) |
722 | desc->hyper = HYPER_VMWARE; | |
4597b692 BR |
723 | else if (!strncmp("UnisysSpar64", hyper_vendor_id, 12)) |
724 | desc->hyper = HYPER_SPAR; | |
c8b64f6d KZ |
725 | } |
726 | ||
b7744730 | 727 | #else /* ! (__x86_64__ || __i386__) */ |
c8b64f6d | 728 | static void |
6d791b4c | 729 | read_hypervisor_cpuid(struct lscpu_desc *desc __attribute__((__unused__))) |
c8b64f6d KZ |
730 | { |
731 | } | |
732 | #endif | |
733 | ||
6e509042 | 734 | static int is_devtree_compatible(struct lscpu_desc *desc, const char *str) |
3565bd7a | 735 | { |
6e509042 | 736 | FILE *fd = ul_path_fopen(desc->procfs, "r", "device-tree/compatible"); |
3565bd7a | 737 | |
3565bd7a KZ |
738 | if (fd) { |
739 | char buf[256]; | |
740 | size_t i, len; | |
741 | ||
742 | memset(buf, 0, sizeof(buf)); | |
743 | len = fread(buf, 1, sizeof(buf) - 1, fd); | |
744 | fclose(fd); | |
745 | ||
746 | for (i = 0; i < len;) { | |
747 | if (!strcmp(&buf[i], str)) | |
748 | return 1; | |
749 | i += strlen(&buf[i]); | |
750 | i++; | |
751 | } | |
752 | } | |
753 | ||
754 | return 0; | |
755 | } | |
756 | ||
5bd31c6d RM |
757 | static int |
758 | read_hypervisor_powerpc(struct lscpu_desc *desc) | |
759 | { | |
760 | assert(!desc->hyper); | |
761 | ||
79738105 | 762 | /* IBM iSeries: legacy, para-virtualized on top of OS/400 */ |
6e509042 | 763 | if (ul_path_access(desc->procfs, F_OK, "iSeries") == 0) { |
5bd31c6d RM |
764 | desc->hyper = HYPER_OS400; |
765 | desc->virtype = VIRT_PARA; | |
79738105 KZ |
766 | |
767 | /* PowerNV (POWER Non-Virtualized, bare-metal) */ | |
6e509042 | 768 | } else if (is_devtree_compatible(desc, "ibm,powernv")) { |
e03b613e KZ |
769 | desc->hyper = HYPER_NONE; |
770 | desc->virtype = VIRT_NONE; | |
79738105 | 771 | |
d45984be | 772 | /* PowerVM (IBM's proprietary hypervisor, aka pHyp) */ |
6e509042 KZ |
773 | } else if (ul_path_access(desc->procfs, F_OK, "device-tree/ibm,partition-name") == 0 |
774 | && ul_path_access(desc->procfs, F_OK, "device-tree/hmc-managed?") == 0 | |
775 | && ul_path_access(desc->procfs, F_OK, "device-tree/chosen/qemu,graphic-width") != 0) { | |
776 | ||
5bd31c6d RM |
777 | FILE *fd; |
778 | desc->hyper = HYPER_PHYP; | |
779 | desc->virtype = VIRT_PARA; | |
6e509042 KZ |
780 | |
781 | fd = ul_path_fopen(desc->procfs, "r", "device-tree/ibm,partition-name"); | |
5bd31c6d RM |
782 | if (fd) { |
783 | char buf[256]; | |
6cbf75e5 | 784 | if (fscanf(fd, "%255s", buf) == 1 && !strcmp(buf, "full")) |
5bd31c6d RM |
785 | desc->virtype = VIRT_NONE; |
786 | fclose(fd); | |
787 | } | |
79738105 KZ |
788 | |
789 | /* Qemu */ | |
6e509042 | 790 | } else if (is_devtree_compatible(desc, "qemu,pseries")) { |
e03b613e KZ |
791 | desc->hyper = HYPER_KVM; |
792 | desc->virtype = VIRT_PARA; | |
5bd31c6d | 793 | } |
5bd31c6d RM |
794 | return desc->hyper; |
795 | } | |
796 | ||
b7744730 RM |
797 | #ifdef INCLUDE_VMWARE_BDOOR |
798 | ||
799 | #define VMWARE_BDOOR_MAGIC 0x564D5868 | |
800 | #define VMWARE_BDOOR_PORT 0x5658 | |
801 | #define VMWARE_BDOOR_CMD_GETVERSION 10 | |
802 | ||
77242032 | 803 | static UL_ASAN_BLACKLIST |
7845b91d MF |
804 | void vmware_bdoor(uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) |
805 | { | |
806 | __asm__( | |
807 | #if defined(__PIC__) && defined(__i386__) | |
808 | /* x86 PIC cannot clobber ebx -- gcc bitches */ | |
809 | "xchg %%ebx, %%esi;" | |
810 | "inl (%%dx), %%eax;" | |
811 | "xchg %%esi, %%ebx;" | |
812 | : "=S" (*ebx), | |
813 | #else | |
814 | "inl (%%dx), %%eax;" | |
815 | : "=b" (*ebx), | |
816 | #endif | |
817 | "=a" (*eax), | |
818 | "=c" (*ecx), | |
819 | "=d" (*edx) | |
820 | : "0" (VMWARE_BDOOR_MAGIC), | |
821 | "1" (VMWARE_BDOOR_CMD_GETVERSION), | |
822 | "2" (VMWARE_BDOOR_PORT), | |
823 | "3" (0) | |
824 | : "memory"); | |
825 | } | |
b7744730 RM |
826 | |
827 | static jmp_buf segv_handler_env; | |
828 | ||
829 | static void | |
830 | segv_handler(__attribute__((__unused__)) int sig, | |
831 | __attribute__((__unused__)) siginfo_t *info, | |
832 | __attribute__((__unused__)) void *ignored) | |
833 | { | |
834 | siglongjmp(segv_handler_env, 1); | |
835 | } | |
836 | ||
837 | static int | |
838 | is_vmware_platform(void) | |
839 | { | |
840 | uint32_t eax, ebx, ecx, edx; | |
841 | struct sigaction act, oact; | |
842 | ||
b5d61108 KZ |
843 | /* |
844 | * FIXME: Not reliable for non-root users. Note it works as expected if | |
845 | * vmware_bdoor() is not optimized for PIE, but then it fails to build | |
846 | * on 32bit x86 systems. See lscpu git log for more details (commit | |
847 | * 7845b91dbc7690064a2be6df690e4aaba728fb04). kzak [3-Nov-2016] | |
848 | */ | |
849 | if (getuid() != 0) | |
850 | return 0; | |
851 | ||
b7744730 RM |
852 | /* |
853 | * The assembly routine for vmware detection works | |
854 | * fine under vmware, even if ran as regular user. But | |
855 | * on real HW or under other hypervisors, it segfaults (which is | |
856 | * expected). So we temporarily install SIGSEGV handler to catch | |
857 | * the signal. All this magic is needed because lscpu | |
858 | * isn't supposed to require root privileges. | |
859 | */ | |
860 | if (sigsetjmp(segv_handler_env, 1)) | |
861 | return 0; | |
862 | ||
9dd2d497 | 863 | memset(&act, 0, sizeof(act)); |
b7744730 RM |
864 | act.sa_sigaction = segv_handler; |
865 | act.sa_flags = SA_SIGINFO; | |
866 | ||
867 | if (sigaction(SIGSEGV, &act, &oact)) | |
223939d9 | 868 | err(EXIT_FAILURE, _("cannot set signal handler")); |
b7744730 | 869 | |
7845b91d | 870 | vmware_bdoor(&eax, &ebx, &ecx, &edx); |
b7744730 RM |
871 | |
872 | if (sigaction(SIGSEGV, &oact, NULL)) | |
223939d9 | 873 | err(EXIT_FAILURE, _("cannot restore signal handler")); |
b7744730 RM |
874 | |
875 | return eax != (uint32_t)-1 && ebx == VMWARE_BDOOR_MAGIC; | |
876 | } | |
877 | ||
878 | #else /* ! INCLUDE_VMWARE_BDOOR */ | |
879 | ||
880 | static int | |
881 | is_vmware_platform(void) | |
882 | { | |
883 | return 0; | |
884 | } | |
885 | ||
886 | #endif /* INCLUDE_VMWARE_BDOOR */ | |
887 | ||
c8b64f6d | 888 | static void |
eff79ceb | 889 | read_hypervisor(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
c8b64f6d | 890 | { |
fb2627ce OO |
891 | FILE *fd; |
892 | ||
7572fb2b SB |
893 | /* We have to detect WSL first. is_vmware_platform() crashes on Windows 10. */ |
894 | ||
6e509042 | 895 | if ((fd = ul_path_fopen(desc->procfs, "r", "sys/kernel/osrelease"))) { |
7572fb2b SB |
896 | char buf[256]; |
897 | ||
898 | if (fgets(buf, sizeof(buf), fd) != NULL) { | |
899 | if (strstr(buf, "Microsoft")) { | |
900 | desc->hyper = HYPER_WSL; | |
901 | desc->virtype = VIRT_CONT; | |
902 | } | |
903 | } | |
904 | fclose(fd); | |
905 | if (desc->virtype) | |
906 | return; | |
907 | } | |
908 | ||
fb2627ce | 909 | if (mod->system != SYSTEM_SNAPSHOT) { |
eff79ceb | 910 | read_hypervisor_cpuid(desc); |
fb2627ce OO |
911 | if (!desc->hyper) |
912 | desc->hyper = read_hypervisor_dmi(); | |
b7744730 RM |
913 | if (!desc->hyper && is_vmware_platform()) |
914 | desc->hyper = HYPER_VMWARE; | |
fb2627ce | 915 | } |
c8b64f6d | 916 | |
0ebbe9f1 | 917 | if (desc->hyper) { |
e8aa16ee | 918 | desc->virtype = VIRT_FULL; |
c8b64f6d | 919 | |
b4d1fbda | 920 | if (desc->hyper == HYPER_XEN) { |
0ebbe9f1 DZ |
921 | uint32_t features; |
922 | ||
6e509042 KZ |
923 | fd = ul_prefix_fopen(desc->prefix, "r", _PATH_SYS_HYP_FEATURES); |
924 | ||
0ebbe9f1 DZ |
925 | if (fd && fscanf(fd, "%x", &features) == 1) { |
926 | /* Xen PV domain */ | |
927 | if (features & XEN_FEATURES_PV_MASK) | |
928 | desc->virtype = VIRT_PARA; | |
929 | /* Xen PVH domain */ | |
930 | else if ((features & XEN_FEATURES_PVH_MASK) | |
931 | == XEN_FEATURES_PVH_MASK) | |
932 | desc->virtype = VIRT_PARA; | |
0ebbe9f1 | 933 | } |
d29b7ced KZ |
934 | if (fd) |
935 | fclose(fd); | |
0ebbe9f1 DZ |
936 | } |
937 | } else if (read_hypervisor_powerpc(desc) > 0) {} | |
5bd31c6d | 938 | |
fb2627ce | 939 | /* Xen para-virt or dom0 */ |
6e509042 | 940 | else if (ul_path_access(desc->procfs, F_OK, "xen") == 0) { |
c8b64f6d KZ |
941 | int dom0 = 0; |
942 | ||
6e509042 | 943 | fd = ul_path_fopen(desc->procfs, "r", "xen/capabilities"); |
c8b64f6d KZ |
944 | if (fd) { |
945 | char buf[256]; | |
946 | ||
6cbf75e5 | 947 | if (fscanf(fd, "%255s", buf) == 1 && |
c8b64f6d KZ |
948 | !strcmp(buf, "control_d")) |
949 | dom0 = 1; | |
950 | fclose(fd); | |
951 | } | |
e8aa16ee KZ |
952 | desc->virtype = dom0 ? VIRT_NONE : VIRT_PARA; |
953 | desc->hyper = HYPER_XEN; | |
c8b64f6d | 954 | |
fb2627ce | 955 | /* Xen full-virt on non-x86_64 */ |
6e509042 | 956 | } else if (has_pci_device(desc, hv_vendor_pci[HYPER_XEN], hv_graphics_pci[HYPER_XEN])) { |
e8aa16ee KZ |
957 | desc->hyper = HYPER_XEN; |
958 | desc->virtype = VIRT_FULL; | |
6e509042 | 959 | } else if (has_pci_device(desc, hv_vendor_pci[HYPER_VMWARE], hv_graphics_pci[HYPER_VMWARE])) { |
96ce475f RM |
960 | desc->hyper = HYPER_VMWARE; |
961 | desc->virtype = VIRT_FULL; | |
6e509042 | 962 | } else if (has_pci_device(desc, hv_vendor_pci[HYPER_VBOX], hv_graphics_pci[HYPER_VBOX])) { |
96ce475f RM |
963 | desc->hyper = HYPER_VBOX; |
964 | desc->virtype = VIRT_FULL; | |
fb2627ce OO |
965 | |
966 | /* IBM PR/SM */ | |
6e509042 | 967 | } else if ((fd = ul_path_fopen(desc->procfs, "r", "sysinfo"))) { |
b8ec7bdf HC |
968 | char buf[BUFSIZ]; |
969 | ||
970 | desc->hyper = HYPER_IBM; | |
10829cd7 | 971 | desc->hypervisor = "PR/SM"; |
b8ec7bdf | 972 | desc->virtype = VIRT_FULL; |
904ffe1f | 973 | while (fgets(buf, sizeof(buf), fd) != NULL) { |
d0b75b03 | 974 | char *str, *p; |
10829cd7 | 975 | |
b8ec7bdf HC |
976 | if (!strstr(buf, "Control Program:")) |
977 | continue; | |
978 | if (!strstr(buf, "KVM")) | |
979 | desc->hyper = HYPER_IBM; | |
980 | else | |
981 | desc->hyper = HYPER_KVM; | |
d0b75b03 KZ |
982 | p = strchr(buf, ':'); |
983 | if (!p) | |
10829cd7 | 984 | continue; |
d0b75b03 | 985 | xasprintf(&str, "%s", p + 1); |
9d8537ff | 986 | |
10829cd7 HC |
987 | /* remove leading, trailing and repeating whitespace */ |
988 | while (*str == ' ') | |
989 | str++; | |
990 | desc->hypervisor = str; | |
991 | str += strlen(str) - 1; | |
992 | while ((*str == '\n') || (*str == ' ')) | |
993 | *(str--) = '\0'; | |
994 | while ((str = strstr(desc->hypervisor, " "))) | |
995 | memmove(str, str + 1, strlen(str)); | |
350f5c8d | 996 | break; |
b8ec7bdf | 997 | } |
904ffe1f | 998 | fclose(fd); |
c8b64f6d | 999 | } |
fb2627ce OO |
1000 | |
1001 | /* OpenVZ/Virtuozzo - /proc/vz dir should exist | |
1002 | * /proc/bc should not */ | |
6e509042 KZ |
1003 | else if (ul_path_access(desc->procfs, F_OK, "vz") == 0 && |
1004 | ul_path_access(desc->procfs, F_OK, "bc") != 0) { | |
fb2627ce | 1005 | desc->hyper = HYPER_PARALLELS; |
857d9cdf | 1006 | desc->virtype = VIRT_CONT; |
fb2627ce OO |
1007 | |
1008 | /* IBM */ | |
857d9cdf | 1009 | } else if (desc->vendor && |
fb2627ce | 1010 | (strcmp(desc->vendor, "PowerVM Lx86") == 0 || |
857d9cdf | 1011 | strcmp(desc->vendor, "IBM/S390") == 0)) { |
fb2627ce | 1012 | desc->hyper = HYPER_IBM; |
857d9cdf | 1013 | desc->virtype = VIRT_FULL; |
fb2627ce OO |
1014 | |
1015 | /* User-mode-linux */ | |
857d9cdf | 1016 | } else if (desc->modelname && strstr(desc->modelname, "UML")) { |
fb2627ce | 1017 | desc->hyper = HYPER_UML; |
857d9cdf | 1018 | desc->virtype = VIRT_PARA; |
fb2627ce OO |
1019 | |
1020 | /* Linux-VServer */ | |
6e509042 | 1021 | } else if ((fd = ul_path_fopen(desc->procfs, "r", "self/status"))) { |
fb2627ce OO |
1022 | char buf[BUFSIZ]; |
1023 | char *val = NULL; | |
1024 | ||
fb2627ce OO |
1025 | while (fgets(buf, sizeof(buf), fd) != NULL) { |
1026 | if (lookup(buf, "VxID", &val)) | |
1027 | break; | |
1028 | } | |
1029 | fclose(fd); | |
1030 | ||
1031 | if (val) { | |
c6f6afc1 KZ |
1032 | char *org = val; |
1033 | ||
fb2627ce OO |
1034 | while (isdigit(*val)) |
1035 | ++val; | |
857d9cdf | 1036 | if (!*val) { |
fb2627ce | 1037 | desc->hyper = HYPER_VSERVER; |
857d9cdf KZ |
1038 | desc->virtype = VIRT_CONT; |
1039 | } | |
c6f6afc1 | 1040 | free(org); |
fb2627ce OO |
1041 | } |
1042 | } | |
c8b64f6d KZ |
1043 | } |
1044 | ||
455fe9a0 | 1045 | /* add @set to the @ary, unnecessary set is deallocated. */ |
7e03f383 KZ |
1046 | static int add_cpuset_to_array(cpu_set_t **ary, int *items, cpu_set_t *set) |
1047 | { | |
1048 | int i; | |
1049 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
1050 | ||
1051 | if (!ary) | |
1052 | return -1; | |
1053 | ||
1054 | for (i = 0; i < *items; i++) { | |
1055 | if (CPU_EQUAL_S(setsize, set, ary[i])) | |
1056 | break; | |
1057 | } | |
1058 | if (i == *items) { | |
1059 | ary[*items] = set; | |
1060 | ++*items; | |
1061 | return 0; | |
1062 | } | |
1063 | CPU_FREE(set); | |
1064 | return 1; | |
1065 | } | |
1066 | ||
5dd7507c | 1067 | static void |
4f642863 | 1068 | read_topology(struct lscpu_desc *desc, int idx) |
5dd7507c | 1069 | { |
b3adf6ef HC |
1070 | cpu_set_t *thread_siblings, *core_siblings; |
1071 | cpu_set_t *book_siblings, *drawer_siblings; | |
0d2b5d2a HC |
1072 | int coreid, socketid, bookid, drawerid; |
1073 | int i, num = real_cpu_num(desc, idx); | |
7e03f383 | 1074 | |
6e509042 | 1075 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/topology/thread_siblings", num) != 0) |
7e03f383 | 1076 | return; |
5dd7507c | 1077 | |
6e509042 KZ |
1078 | ul_path_readf_cpuset(desc->syscpu, &thread_siblings, maxcpus, |
1079 | "cpu%d/topology/thread_siblings", num); | |
1080 | ul_path_readf_cpuset(desc->syscpu, &core_siblings, maxcpus, | |
1081 | "cpu%d/topology/core_siblings", num); | |
1082 | ul_path_readf_cpuset(desc->syscpu, &book_siblings, maxcpus, | |
1083 | "cpu%d/topology/book_siblings", num); | |
1084 | ul_path_readf_cpuset(desc->syscpu, &drawer_siblings, maxcpus, | |
1085 | "cpu%d/topology/drawer_siblings", num); | |
1086 | ||
1087 | if (ul_path_readf_s32(desc->syscpu, &coreid, "cpu%d/topology/core_id", num) != 0) | |
1088 | coreid = -1; | |
1089 | ||
1090 | if (ul_path_readf_s32(desc->syscpu, &socketid, "cpu%d/topology/physical_package_id", num) != 0) | |
1091 | socketid = -1; | |
1092 | ||
1093 | if (ul_path_readf_s32(desc->syscpu, &bookid, "cpu%d/topology/book_id", num) != 0) | |
1094 | bookid = -1; | |
1095 | ||
1096 | if (ul_path_readf_s32(desc->syscpu, &drawerid, "cpu%d/topology/drawer_id", num) != 0) | |
1097 | drawerid = -1; | |
aac1e59e KZ |
1098 | |
1099 | if (!desc->coremaps) { | |
b3adf6ef | 1100 | int ndrawers, nbooks, nsockets, ncores, nthreads; |
7e03f383 KZ |
1101 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
1102 | ||
1103 | /* threads within one core */ | |
1104 | nthreads = CPU_COUNT_S(setsize, thread_siblings); | |
d4bfa64d KZ |
1105 | if (!nthreads) |
1106 | nthreads = 1; | |
1107 | ||
7e03f383 KZ |
1108 | /* cores within one socket */ |
1109 | ncores = CPU_COUNT_S(setsize, core_siblings) / nthreads; | |
d4bfa64d KZ |
1110 | if (!ncores) |
1111 | ncores = 1; | |
1112 | ||
1113 | /* number of sockets within one book. Because of odd / | |
1114 | * non-present cpu maps and to keep calculation easy we make | |
1115 | * sure that nsockets and nbooks is at least 1. | |
32a46618 | 1116 | */ |
d4bfa64d KZ |
1117 | nsockets = desc->ncpus / nthreads / ncores; |
1118 | if (!nsockets) | |
1119 | nsockets = 1; | |
1120 | ||
56baaa4e | 1121 | /* number of books */ |
d4bfa64d KZ |
1122 | nbooks = desc->ncpus / nthreads / ncores / nsockets; |
1123 | if (!nbooks) | |
1124 | nbooks = 1; | |
e282eec2 | 1125 | |
b3adf6ef HC |
1126 | /* number of drawers */ |
1127 | ndrawers = desc->ncpus / nbooks / nthreads / ncores / nsockets; | |
1128 | if (!ndrawers) | |
1129 | ndrawers = 1; | |
1130 | ||
e282eec2 | 1131 | /* all threads, see also read_basicinfo() |
32a46618 | 1132 | * -- fallback for kernels without |
e282eec2 KZ |
1133 | * /sys/devices/system/cpu/online. |
1134 | */ | |
1135 | if (!desc->nthreads) | |
b3adf6ef | 1136 | desc->nthreads = ndrawers * nbooks * nsockets * ncores * nthreads; |
d4bfa64d | 1137 | |
a5cfffff | 1138 | /* For each map we make sure that it can have up to ncpuspos |
9d1a3a18 HC |
1139 | * entries. This is because we cannot reliably calculate the |
1140 | * number of cores, sockets and books on all architectures. | |
1141 | * E.g. completely virtualized architectures like s390 may | |
1142 | * have multiple sockets of different sizes. | |
1143 | */ | |
a5cfffff TK |
1144 | desc->coremaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
1145 | desc->socketmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); | |
0d2b5d2a HC |
1146 | desc->coreids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); |
1147 | desc->socketids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); | |
1148 | for (i = 0; i < desc->ncpuspos; i++) | |
1149 | desc->coreids[i] = desc->socketids[i] = -1; | |
1150 | if (book_siblings) { | |
a5cfffff | 1151 | desc->bookmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
0d2b5d2a HC |
1152 | desc->bookids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); |
1153 | for (i = 0; i < desc->ncpuspos; i++) | |
1154 | desc->bookids[i] = -1; | |
1155 | } | |
1156 | if (drawer_siblings) { | |
b3adf6ef | 1157 | desc->drawermaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
0d2b5d2a HC |
1158 | desc->drawerids = xcalloc(desc->ncpuspos, sizeof(*desc->drawerids)); |
1159 | for (i = 0; i < desc->ncpuspos; i++) | |
1160 | desc->drawerids[i] = -1; | |
1161 | } | |
7e03f383 | 1162 | } |
5dd7507c | 1163 | |
7e03f383 | 1164 | add_cpuset_to_array(desc->socketmaps, &desc->nsockets, core_siblings); |
0d2b5d2a | 1165 | desc->coreids[idx] = coreid; |
7e03f383 | 1166 | add_cpuset_to_array(desc->coremaps, &desc->ncores, thread_siblings); |
0d2b5d2a HC |
1167 | desc->socketids[idx] = socketid; |
1168 | if (book_siblings) { | |
56baaa4e | 1169 | add_cpuset_to_array(desc->bookmaps, &desc->nbooks, book_siblings); |
0d2b5d2a HC |
1170 | desc->bookids[idx] = bookid; |
1171 | } | |
1172 | if (drawer_siblings) { | |
b3adf6ef | 1173 | add_cpuset_to_array(desc->drawermaps, &desc->ndrawers, drawer_siblings); |
0d2b5d2a HC |
1174 | desc->drawerids[idx] = drawerid; |
1175 | } | |
7e03f383 | 1176 | } |
4f642863 | 1177 | |
2b8fcb81 | 1178 | static void |
4f642863 | 1179 | read_polarization(struct lscpu_desc *desc, int idx) |
2b8fcb81 HC |
1180 | { |
1181 | char mode[64]; | |
4f642863 | 1182 | int num = real_cpu_num(desc, idx); |
2b8fcb81 HC |
1183 | |
1184 | if (desc->dispatching < 0) | |
1185 | return; | |
6e509042 | 1186 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/polarization", num) != 0) |
2b8fcb81 HC |
1187 | return; |
1188 | if (!desc->polarization) | |
a5cfffff | 1189 | desc->polarization = xcalloc(desc->ncpuspos, sizeof(int)); |
6e509042 KZ |
1190 | |
1191 | ul_path_readf_buffer(desc->syscpu, mode, sizeof(mode), "cpu%d/polarization", num); | |
1192 | ||
2b8fcb81 | 1193 | if (strncmp(mode, "vertical:low", sizeof(mode)) == 0) |
4f642863 | 1194 | desc->polarization[idx] = POLAR_VLOW; |
2b8fcb81 | 1195 | else if (strncmp(mode, "vertical:medium", sizeof(mode)) == 0) |
4f642863 | 1196 | desc->polarization[idx] = POLAR_VMEDIUM; |
2b8fcb81 | 1197 | else if (strncmp(mode, "vertical:high", sizeof(mode)) == 0) |
4f642863 | 1198 | desc->polarization[idx] = POLAR_VHIGH; |
2b8fcb81 | 1199 | else if (strncmp(mode, "horizontal", sizeof(mode)) == 0) |
4f642863 | 1200 | desc->polarization[idx] = POLAR_HORIZONTAL; |
2b8fcb81 | 1201 | else |
4f642863 | 1202 | desc->polarization[idx] = POLAR_UNKNOWN; |
2b8fcb81 | 1203 | } |
7e03f383 | 1204 | |
596b8845 | 1205 | static void |
4f642863 | 1206 | read_address(struct lscpu_desc *desc, int idx) |
596b8845 | 1207 | { |
4f642863 AT |
1208 | int num = real_cpu_num(desc, idx); |
1209 | ||
6e509042 | 1210 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/address", num) != 0) |
596b8845 HC |
1211 | return; |
1212 | if (!desc->addresses) | |
a5cfffff | 1213 | desc->addresses = xcalloc(desc->ncpuspos, sizeof(int)); |
6e509042 | 1214 | ul_path_readf_s32(desc->syscpu, &desc->addresses[idx], "cpu%d/address", num); |
596b8845 | 1215 | } |
7e03f383 | 1216 | |
d231eea1 | 1217 | static void |
4f642863 | 1218 | read_configured(struct lscpu_desc *desc, int idx) |
d231eea1 | 1219 | { |
4f642863 AT |
1220 | int num = real_cpu_num(desc, idx); |
1221 | ||
6e509042 | 1222 | if (ul_path_accessf(desc->syscpu, F_OK, "cpu%d/configure", num) != 0) |
d231eea1 HC |
1223 | return; |
1224 | if (!desc->configured) | |
a5cfffff | 1225 | desc->configured = xcalloc(desc->ncpuspos, sizeof(int)); |
6e509042 | 1226 | ul_path_readf_s32(desc->syscpu, &desc->configured[idx], "cpu%d/configure", num); |
d231eea1 HC |
1227 | } |
1228 | ||
fc07d9f5 | 1229 | /* Read overall maximum frequency of cpu */ |
89222b17 KZ |
1230 | static char * |
1231 | cpu_max_mhz(struct lscpu_desc *desc, char *buf, size_t bufsz) | |
fc07d9f5 MI |
1232 | { |
1233 | int i; | |
95f09bc6 | 1234 | float cpu_freq = 0.0; |
538b50cb | 1235 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
fc07d9f5 MI |
1236 | |
1237 | if (desc->present) { | |
95f09bc6 | 1238 | for (i = 0; i < desc->ncpuspos; i++) { |
538b50cb | 1239 | if (CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present) |
0145d84a | 1240 | && desc->maxmhz[i]) { |
fc07d9f5 MI |
1241 | float freq = atof(desc->maxmhz[i]); |
1242 | ||
1243 | if (freq > cpu_freq) | |
1244 | cpu_freq = freq; | |
1245 | } | |
1246 | } | |
1247 | } | |
89222b17 KZ |
1248 | snprintf(buf, bufsz, "%.4f", cpu_freq); |
1249 | return buf; | |
fc07d9f5 MI |
1250 | } |
1251 | ||
1252 | /* Read overall minimum frequency of cpu */ | |
89222b17 KZ |
1253 | static char * |
1254 | cpu_min_mhz(struct lscpu_desc *desc, char *buf, size_t bufsz) | |
fc07d9f5 | 1255 | { |
95f09bc6 DM |
1256 | int i; |
1257 | float cpu_freq = -1.0; | |
538b50cb | 1258 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
fc07d9f5 MI |
1259 | |
1260 | if (desc->present) { | |
95f09bc6 | 1261 | for (i = 0; i < desc->ncpuspos; i++) { |
538b50cb | 1262 | if (CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present) |
0145d84a | 1263 | && desc->minmhz[i]) { |
fc07d9f5 MI |
1264 | float freq = atof(desc->minmhz[i]); |
1265 | ||
95f09bc6 | 1266 | if (cpu_freq < 0.0 || freq < cpu_freq) |
fc07d9f5 MI |
1267 | cpu_freq = freq; |
1268 | } | |
1269 | } | |
1270 | } | |
89222b17 KZ |
1271 | snprintf(buf, bufsz, "%.4f", cpu_freq); |
1272 | return buf; | |
fc07d9f5 MI |
1273 | } |
1274 | ||
1275 | ||
44320710 | 1276 | static void |
4f642863 | 1277 | read_max_mhz(struct lscpu_desc *desc, int idx) |
44320710 | 1278 | { |
4f642863 | 1279 | int num = real_cpu_num(desc, idx); |
6e509042 | 1280 | int mhz; |
4f642863 | 1281 | |
6e509042 | 1282 | if (ul_path_readf_s32(desc->syscpu, &mhz, "cpu%d/cpufreq/cpuinfo_max_freq", num) != 0) |
44320710 | 1283 | return; |
e065a597 DB |
1284 | if (!desc->maxmhz) |
1285 | desc->maxmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
6e509042 | 1286 | xasprintf(&desc->maxmhz[idx], "%.4f", (float) mhz / 1000); |
44320710 SK |
1287 | } |
1288 | ||
e065a597 | 1289 | static void |
4f642863 | 1290 | read_min_mhz(struct lscpu_desc *desc, int idx) |
e065a597 | 1291 | { |
4f642863 | 1292 | int num = real_cpu_num(desc, idx); |
6e509042 | 1293 | int mhz; |
4f642863 | 1294 | |
6e509042 | 1295 | if (ul_path_readf_s32(desc->syscpu, &mhz, "cpu%d/cpufreq/cpuinfo_min_freq", num) != 0) |
e065a597 DB |
1296 | return; |
1297 | if (!desc->minmhz) | |
1298 | desc->minmhz = xcalloc(desc->ncpuspos, sizeof(char *)); | |
6e509042 | 1299 | xasprintf(&desc->minmhz[idx], "%.4f", (float) mhz / 1000); |
e065a597 DB |
1300 | } |
1301 | ||
7e03f383 KZ |
1302 | static int |
1303 | cachecmp(const void *a, const void *b) | |
1304 | { | |
1305 | struct cpu_cache *c1 = (struct cpu_cache *) a; | |
1306 | struct cpu_cache *c2 = (struct cpu_cache *) b; | |
1307 | ||
1308 | return strcmp(c2->name, c1->name); | |
5dd7507c CQ |
1309 | } |
1310 | ||
1311 | static void | |
4f642863 | 1312 | read_cache(struct lscpu_desc *desc, int idx) |
5dd7507c CQ |
1313 | { |
1314 | char buf[256]; | |
7e03f383 | 1315 | int i; |
4f642863 | 1316 | int num = real_cpu_num(desc, idx); |
5dd7507c | 1317 | |
aac1e59e | 1318 | if (!desc->ncaches) { |
6e509042 KZ |
1319 | while (ul_path_accessf(desc->syscpu, F_OK, |
1320 | "cpu%d/cache/index%d", | |
1321 | num, desc->ncaches) == 0) | |
7e03f383 | 1322 | desc->ncaches++; |
5dd7507c | 1323 | |
7e03f383 KZ |
1324 | if (!desc->ncaches) |
1325 | return; | |
08de16d0 | 1326 | desc->caches = xcalloc(desc->ncaches, sizeof(*desc->caches)); |
7e03f383 KZ |
1327 | } |
1328 | for (i = 0; i < desc->ncaches; i++) { | |
1329 | struct cpu_cache *ca = &desc->caches[i]; | |
1330 | cpu_set_t *map; | |
1331 | ||
6e509042 KZ |
1332 | if (ul_path_accessf(desc->syscpu, F_OK, |
1333 | "cpu%d/cache/index%d", num, i) != 0) | |
dcdead42 | 1334 | continue; |
7e03f383 | 1335 | if (!ca->name) { |
0e86bc84 | 1336 | int type = 0; |
7e03f383 KZ |
1337 | |
1338 | /* cache type */ | |
0e86bc84 | 1339 | if (ul_path_readf_string(desc->syscpu, &ca->type, |
6e509042 | 1340 | "cpu%d/cache/index%d/type", num, i) > 0) { |
0e86bc84 | 1341 | if (!strcmp(ca->type, "Data")) |
6e509042 | 1342 | type = 'd'; |
0e86bc84 | 1343 | else if (!strcmp(ca->type, "Instruction")) |
6e509042 KZ |
1344 | type = 'i'; |
1345 | } | |
7e03f383 KZ |
1346 | |
1347 | /* cache level */ | |
0e86bc84 | 1348 | ul_path_readf_s32(desc->syscpu, &ca->level, |
6e509042 | 1349 | "cpu%d/cache/index%d/level", num, i); |
7e03f383 | 1350 | if (type) |
0e86bc84 | 1351 | snprintf(buf, sizeof(buf), "L%d%c", ca->level, type); |
7e03f383 | 1352 | else |
0e86bc84 | 1353 | snprintf(buf, sizeof(buf), "L%d", ca->level); |
7e03f383 KZ |
1354 | |
1355 | ca->name = xstrdup(buf); | |
1356 | ||
0e86bc84 KZ |
1357 | /* cache ways */ |
1358 | ul_path_readf_s32(desc->syscpu, &ca->ways, | |
1359 | "cpu%d/cache/index%d/ways_of_associativity", num, i); | |
1360 | ||
7e03f383 | 1361 | /* cache size */ |
0e86bc84 KZ |
1362 | if (ul_path_readf_buffer(desc->syscpu, buf, sizeof(buf), |
1363 | "cpu%d/cache/index%d/size", num, i) > 0) | |
1364 | parse_size(buf, &ca->size, NULL); | |
1365 | else | |
1366 | ca->size = 0; | |
7e03f383 | 1367 | } |
5dd7507c | 1368 | |
7e03f383 | 1369 | /* information about how CPUs share different caches */ |
6e509042 KZ |
1370 | ul_path_readf_cpuset(desc->syscpu, &map, maxcpus, |
1371 | "cpu%d/cache/index%d/shared_cpu_map", num, i); | |
5dd7507c | 1372 | |
08de16d0 | 1373 | if (!ca->sharedmaps) |
a5cfffff | 1374 | ca->sharedmaps = xcalloc(desc->ncpuspos, sizeof(cpu_set_t *)); |
7e03f383 | 1375 | add_cpuset_to_array(ca->sharedmaps, &ca->nsharedmaps, map); |
5dd7507c CQ |
1376 | } |
1377 | } | |
1378 | ||
e9074a16 KZ |
1379 | static inline int is_node_dirent(struct dirent *d) |
1380 | { | |
1381 | return | |
1382 | d && | |
1383 | #ifdef _DIRENT_HAVE_D_TYPE | |
c0cf4ae9 | 1384 | (d->d_type == DT_DIR || d->d_type == DT_UNKNOWN) && |
e9074a16 KZ |
1385 | #endif |
1386 | strncmp(d->d_name, "node", 4) == 0 && | |
1387 | isdigit_string(d->d_name + 4); | |
1388 | } | |
1389 | ||
39c758d1 KZ |
1390 | static int |
1391 | nodecmp(const void *ap, const void *bp) | |
1392 | { | |
1393 | int *a = (int *) ap, *b = (int *) bp; | |
1394 | return *a - *b; | |
1395 | } | |
1396 | ||
5dd7507c | 1397 | static void |
e8aa16ee | 1398 | read_nodes(struct lscpu_desc *desc) |
5dd7507c | 1399 | { |
e9074a16 KZ |
1400 | int i = 0; |
1401 | DIR *dir; | |
1402 | struct dirent *d; | |
6e509042 | 1403 | struct path_cxt *sysnode; |
5dd7507c | 1404 | |
a25fb9e8 RM |
1405 | desc->nnodes = 0; |
1406 | ||
6e509042 KZ |
1407 | sysnode = ul_new_path(_PATH_SYS_NODE); |
1408 | if (!sysnode) | |
1409 | err(EXIT_FAILURE, _("failed to initialize %s handler"), _PATH_SYS_NODE); | |
1410 | ul_path_set_prefix(sysnode, desc->prefix); | |
1411 | ||
1412 | dir = ul_path_opendir(sysnode, NULL); | |
1413 | if (!dir) | |
1414 | goto done; | |
1415 | ||
a25fb9e8 | 1416 | while ((d = readdir(dir))) { |
e9074a16 KZ |
1417 | if (is_node_dirent(d)) |
1418 | desc->nnodes++; | |
1419 | } | |
1420 | ||
1421 | if (!desc->nnodes) { | |
a25fb9e8 | 1422 | closedir(dir); |
6e509042 | 1423 | goto done; |
e9074a16 | 1424 | } |
5dd7507c | 1425 | |
08de16d0 | 1426 | desc->nodemaps = xcalloc(desc->nnodes, sizeof(cpu_set_t *)); |
e9074a16 KZ |
1427 | desc->idx2nodenum = xmalloc(desc->nnodes * sizeof(int)); |
1428 | ||
a25fb9e8 RM |
1429 | rewinddir(dir); |
1430 | while ((d = readdir(dir)) && i < desc->nnodes) { | |
1431 | if (is_node_dirent(d)) | |
1432 | desc->idx2nodenum[i++] = strtol_or_err(((d->d_name) + 4), | |
1433 | _("Failed to extract the node number")); | |
e9074a16 | 1434 | } |
a25fb9e8 RM |
1435 | closedir(dir); |
1436 | qsort(desc->idx2nodenum, desc->nnodes, sizeof(int), nodecmp); | |
5dd7507c CQ |
1437 | |
1438 | /* information about how nodes share different CPUs */ | |
7e03f383 | 1439 | for (i = 0; i < desc->nnodes; i++) |
6e509042 KZ |
1440 | ul_path_readf_cpuset(sysnode, &desc->nodemaps[i], maxcpus, |
1441 | "node%d/cpumap", desc->idx2nodenum[i]); | |
1442 | done: | |
1443 | ul_unref_path(sysnode); | |
5dd7507c CQ |
1444 | } |
1445 | ||
e3b3a2f3 | 1446 | static char * |
4f642863 | 1447 | get_cell_data(struct lscpu_desc *desc, int idx, int col, |
e3b3a2f3 KZ |
1448 | struct lscpu_modifier *mod, |
1449 | char *buf, size_t bufsz) | |
5dd7507c | 1450 | { |
7e03f383 | 1451 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
4f642863 AT |
1452 | size_t i; |
1453 | int cpu = real_cpu_num(desc, idx); | |
e3b3a2f3 KZ |
1454 | |
1455 | *buf = '\0'; | |
5dd7507c | 1456 | |
477251f8 | 1457 | switch (col) { |
cc07239d | 1458 | case COL_CPU_CPU: |
e3b3a2f3 | 1459 | snprintf(buf, bufsz, "%d", cpu); |
477251f8 | 1460 | break; |
cc07239d | 1461 | case COL_CPU_CORE: |
0d2b5d2a HC |
1462 | if (mod->physical) { |
1463 | if (desc->coreids[idx] == -1) | |
1464 | snprintf(buf, bufsz, "-"); | |
1465 | else | |
1466 | snprintf(buf, bufsz, "%d", desc->coreids[idx]); | |
1467 | } else { | |
1468 | if (cpuset_ary_isset(cpu, desc->coremaps, | |
1469 | desc->ncores, setsize, &i) == 0) | |
1470 | snprintf(buf, bufsz, "%zu", i); | |
1471 | } | |
477251f8 | 1472 | break; |
cc07239d | 1473 | case COL_CPU_SOCKET: |
0d2b5d2a HC |
1474 | if (mod->physical) { |
1475 | if (desc->socketids[idx] == -1) | |
1476 | snprintf(buf, bufsz, "-"); | |
1477 | else | |
1478 | snprintf(buf, bufsz, "%d", desc->socketids[idx]); | |
1479 | } else { | |
1480 | if (cpuset_ary_isset(cpu, desc->socketmaps, | |
1481 | desc->nsockets, setsize, &i) == 0) | |
1482 | snprintf(buf, bufsz, "%zu", i); | |
1483 | } | |
477251f8 | 1484 | break; |
cc07239d | 1485 | case COL_CPU_NODE: |
e9d659ea | 1486 | if (cpuset_ary_isset(cpu, desc->nodemaps, |
4f642863 | 1487 | desc->nnodes, setsize, &i) == 0) |
e9074a16 | 1488 | snprintf(buf, bufsz, "%d", desc->idx2nodenum[i]); |
477251f8 | 1489 | break; |
cc07239d | 1490 | case COL_CPU_DRAWER: |
0d2b5d2a HC |
1491 | if (mod->physical) { |
1492 | if (desc->drawerids[idx] == -1) | |
1493 | snprintf(buf, bufsz, "-"); | |
1494 | else | |
1495 | snprintf(buf, bufsz, "%d", desc->drawerids[idx]); | |
1496 | } else { | |
1497 | if (cpuset_ary_isset(cpu, desc->drawermaps, | |
1498 | desc->ndrawers, setsize, &i) == 0) | |
1499 | snprintf(buf, bufsz, "%zu", i); | |
1500 | } | |
b3adf6ef | 1501 | break; |
cc07239d | 1502 | case COL_CPU_BOOK: |
0d2b5d2a HC |
1503 | if (mod->physical) { |
1504 | if (desc->bookids[idx] == -1) | |
1505 | snprintf(buf, bufsz, "-"); | |
1506 | else | |
1507 | snprintf(buf, bufsz, "%d", desc->bookids[idx]); | |
1508 | } else { | |
1509 | if (cpuset_ary_isset(cpu, desc->bookmaps, | |
1510 | desc->nbooks, setsize, &i) == 0) | |
1511 | snprintf(buf, bufsz, "%zu", i); | |
1512 | } | |
477251f8 | 1513 | break; |
cc07239d | 1514 | case COL_CPU_CACHE: |
e3b3a2f3 KZ |
1515 | { |
1516 | char *p = buf; | |
1517 | size_t sz = bufsz; | |
1518 | int j; | |
1519 | ||
7e03f383 KZ |
1520 | for (j = desc->ncaches - 1; j >= 0; j--) { |
1521 | struct cpu_cache *ca = &desc->caches[j]; | |
e9d659ea KZ |
1522 | |
1523 | if (cpuset_ary_isset(cpu, ca->sharedmaps, | |
4f642863 | 1524 | ca->nsharedmaps, setsize, &i) == 0) { |
73f2bec5 | 1525 | int x = snprintf(p, sz, "%zu", i); |
06fa5817 | 1526 | if (x < 0 || (size_t) x >= sz) |
e3b3a2f3 KZ |
1527 | return NULL; |
1528 | p += x; | |
1529 | sz -= x; | |
1530 | } | |
1531 | if (j != 0) { | |
06fa5817 YK |
1532 | if (sz < 2) |
1533 | return NULL; | |
e3b3a2f3 KZ |
1534 | *p++ = mod->compat ? ',' : ':'; |
1535 | *p = '\0'; | |
0c5bbafa | 1536 | sz--; |
e3b3a2f3 | 1537 | } |
5dd7507c | 1538 | } |
477251f8 | 1539 | break; |
e3b3a2f3 | 1540 | } |
cc07239d | 1541 | case COL_CPU_POLARIZATION: |
ba45d8c1 | 1542 | if (desc->polarization) { |
4f642863 | 1543 | int x = desc->polarization[idx]; |
ba45d8c1 | 1544 | |
e3b3a2f3 | 1545 | snprintf(buf, bufsz, "%s", |
ba45d8c1 KZ |
1546 | mod->mode == OUTPUT_PARSABLE ? |
1547 | polar_modes[x].parsable : | |
1548 | polar_modes[x].readable); | |
1549 | } | |
2b8fcb81 | 1550 | break; |
cc07239d | 1551 | case COL_CPU_ADDRESS: |
596b8845 | 1552 | if (desc->addresses) |
4f642863 | 1553 | snprintf(buf, bufsz, "%d", desc->addresses[idx]); |
596b8845 | 1554 | break; |
cc07239d | 1555 | case COL_CPU_CONFIGURED: |
e43fc13e HC |
1556 | if (!desc->configured) |
1557 | break; | |
1558 | if (mod->mode == OUTPUT_PARSABLE) | |
f205c90a | 1559 | snprintf(buf, bufsz, "%s", |
4f642863 | 1560 | desc->configured[idx] ? _("Y") : _("N")); |
e43fc13e | 1561 | else |
f205c90a | 1562 | snprintf(buf, bufsz, "%s", |
4f642863 | 1563 | desc->configured[idx] ? _("yes") : _("no")); |
d231eea1 | 1564 | break; |
cc07239d | 1565 | case COL_CPU_ONLINE: |
e43fc13e HC |
1566 | if (!desc->online) |
1567 | break; | |
1568 | if (mod->mode == OUTPUT_PARSABLE) | |
f205c90a | 1569 | snprintf(buf, bufsz, "%s", |
e43fc13e HC |
1570 | is_cpu_online(desc, cpu) ? _("Y") : _("N")); |
1571 | else | |
f205c90a | 1572 | snprintf(buf, bufsz, "%s", |
847b982e | 1573 | is_cpu_online(desc, cpu) ? _("yes") : _("no")); |
a7e5300c | 1574 | break; |
cc07239d | 1575 | case COL_CPU_MAXMHZ: |
0145d84a | 1576 | if (desc->maxmhz && desc->maxmhz[idx]) |
4f642863 | 1577 | xstrncpy(buf, desc->maxmhz[idx], bufsz); |
e065a597 | 1578 | break; |
cc07239d | 1579 | case COL_CPU_MINMHZ: |
0145d84a | 1580 | if (desc->minmhz && desc->minmhz[idx]) |
4f642863 | 1581 | xstrncpy(buf, desc->minmhz[idx], bufsz); |
44320710 | 1582 | break; |
477251f8 | 1583 | } |
e3b3a2f3 KZ |
1584 | return buf; |
1585 | } | |
1586 | ||
1587 | static char * | |
1588 | get_cell_header(struct lscpu_desc *desc, int col, | |
1589 | struct lscpu_modifier *mod, | |
1590 | char *buf, size_t bufsz) | |
1591 | { | |
1592 | *buf = '\0'; | |
1593 | ||
cc07239d | 1594 | if (col == COL_CPU_CACHE) { |
e3b3a2f3 KZ |
1595 | char *p = buf; |
1596 | size_t sz = bufsz; | |
1597 | int i; | |
1598 | ||
1599 | for (i = desc->ncaches - 1; i >= 0; i--) { | |
1600 | int x = snprintf(p, sz, "%s", desc->caches[i].name); | |
06fa5817 | 1601 | if (x < 0 || (size_t) x >= sz) |
e3b3a2f3 KZ |
1602 | return NULL; |
1603 | sz -= x; | |
1604 | p += x; | |
1605 | if (i > 0) { | |
06fa5817 YK |
1606 | if (sz < 2) |
1607 | return NULL; | |
e3b3a2f3 KZ |
1608 | *p++ = mod->compat ? ',' : ':'; |
1609 | *p = '\0'; | |
0c5bbafa | 1610 | sz--; |
e3b3a2f3 KZ |
1611 | } |
1612 | } | |
1613 | if (desc->ncaches) | |
1614 | return buf; | |
1615 | } | |
cc07239d | 1616 | snprintf(buf, bufsz, "%s", coldescs_cpu[col].name); |
e3b3a2f3 | 1617 | return buf; |
477251f8 KZ |
1618 | } |
1619 | ||
0e86bc84 KZ |
1620 | /* |
1621 | * [-C] backend | |
1622 | */ | |
1623 | static void | |
1624 | print_caches_readable(struct lscpu_desc *desc, int cols[], int ncols, | |
1625 | struct lscpu_modifier *mod) | |
1626 | { | |
1627 | int i; | |
1628 | struct libscols_table *table; | |
1629 | ||
1630 | scols_init_debug(0); | |
1631 | ||
1632 | table = scols_new_table(); | |
1633 | if (!table) | |
1634 | err(EXIT_FAILURE, _("failed to allocate output table")); | |
1635 | if (mod->json) { | |
1636 | scols_table_enable_json(table, 1); | |
1637 | scols_table_set_name(table, "caches"); | |
1638 | } | |
1639 | ||
1640 | for (i = 0; i < ncols; i++) { | |
1641 | struct lscpu_coldesc *cd = &coldescs_cache[cols[i]]; | |
1642 | if (!scols_table_new_column(table, cd->name, 0, cd->flags)) | |
1643 | err(EXIT_FAILURE, _("failed to allocate output column")); | |
1644 | } | |
1645 | ||
4161da7b | 1646 | for (i = desc->ncaches - 1; i >= 0; i--) { |
0e86bc84 KZ |
1647 | struct cpu_cache *ca = &desc->caches[i]; |
1648 | struct libscols_line *line; | |
1649 | int c; | |
1650 | ||
1651 | line = scols_table_new_line(table, NULL); | |
1652 | if (!line) | |
1653 | err(EXIT_FAILURE, _("failed to allocate output line")); | |
1654 | ||
1655 | for (c = 0; c < ncols; c++) { | |
1656 | char *data = NULL; | |
1657 | int col = cols[c]; | |
1658 | ||
1659 | switch (col) { | |
1660 | case COL_CACHE_NAME: | |
1661 | if (ca->name) | |
1662 | data = xstrdup(ca->name); | |
1663 | break; | |
1664 | case COL_CACHE_ONESIZE: | |
1665 | if (!ca->size) | |
1666 | break; | |
1667 | if (mod->bytes) | |
1668 | xasprintf(&data, "%" PRIu64, ca->size); | |
1669 | else | |
1670 | data = size_to_human_string(SIZE_SUFFIX_1LETTER, ca->size); | |
1671 | break; | |
1672 | case COL_CACHE_ALLSIZE: | |
1673 | { | |
1674 | uint64_t sz = 0; | |
1675 | ||
1676 | if (get_cache_full_size(desc, ca, &sz) != 0) | |
1677 | break; | |
1678 | if (mod->bytes) | |
1679 | xasprintf(&data, "%" PRIu64, sz); | |
1680 | else | |
1681 | data = size_to_human_string(SIZE_SUFFIX_1LETTER, sz); | |
1682 | break; | |
1683 | } | |
1684 | case COL_CACHE_WAYS: | |
1685 | if (ca->ways) | |
1686 | xasprintf(&data, "%d", ca->ways); | |
1687 | break; | |
1688 | case COL_CACHE_TYPE: | |
1689 | if (ca->type) | |
1690 | data = xstrdup(ca->type); | |
1691 | break; | |
1692 | case COL_CACHE_LEVEL: | |
1693 | if (ca->level) | |
1694 | xasprintf(&data, "%d", ca->level); | |
1695 | break; | |
1696 | } | |
1697 | ||
1698 | if (data && scols_line_refer_data(line, c, data)) | |
1699 | err(EXIT_FAILURE, _("failed to add output data")); | |
1700 | } | |
1701 | } | |
1702 | ||
1703 | scols_print_table(table); | |
1704 | scols_unref_table(table); | |
1705 | } | |
1706 | ||
477251f8 | 1707 | /* |
ba45d8c1 | 1708 | * [-p] backend, we support two parsable formats: |
477251f8 KZ |
1709 | * |
1710 | * 1) "compatible" -- this format is compatible with the original lscpu(1) | |
1711 | * output and it contains fixed set of the columns. The CACHE columns are at | |
1712 | * the end of the line and the CACHE is not printed if the number of the caches | |
1713 | * is zero. The CACHE columns are separated by two commas, for example: | |
1714 | * | |
1715 | * $ lscpu --parse | |
1716 | * # CPU,Core,Socket,Node,,L1d,L1i,L2 | |
1717 | * 0,0,0,0,,0,0,0 | |
1718 | * 1,1,0,0,,1,1,0 | |
1719 | * | |
1720 | * 2) "user defined output" -- this format prints always all columns without | |
1721 | * special prefix for CACHE column. If there are not CACHEs then the column is | |
1722 | * empty and the header "Cache" is printed rather than a real name of the cache. | |
1723 | * The CACHE columns are separated by ':'. | |
1724 | * | |
1725 | * $ lscpu --parse=CPU,CORE,SOCKET,NODE,CACHE | |
1726 | * # CPU,Core,Socket,Node,L1d:L1i:L2 | |
1727 | * 0,0,0,0,0:0:0 | |
1728 | * 1,1,0,0,1:1:0 | |
1729 | */ | |
1730 | static void | |
cc07239d | 1731 | print_cpus_parsable(struct lscpu_desc *desc, int cols[], int ncols, |
8005924a | 1732 | struct lscpu_modifier *mod) |
477251f8 | 1733 | { |
e3b3a2f3 KZ |
1734 | char buf[BUFSIZ], *data; |
1735 | int i; | |
477251f8 | 1736 | |
e3b3a2f3 KZ |
1737 | /* |
1738 | * Header | |
1739 | */ | |
477251f8 KZ |
1740 | printf(_( |
1741 | "# The following is the parsable format, which can be fed to other\n" | |
1742 | "# programs. Each different item in every column has an unique ID\n" | |
1743 | "# starting from zero.\n")); | |
1744 | ||
1745 | fputs("# ", stdout); | |
1746 | for (i = 0; i < ncols; i++) { | |
3d27b76a | 1747 | int col = cols[i]; |
b9d18bc3 | 1748 | |
cc07239d | 1749 | if (col == COL_CPU_CACHE) { |
8005924a | 1750 | if (mod->compat && !desc->ncaches) |
477251f8 | 1751 | continue; |
8005924a | 1752 | if (mod->compat && i != 0) |
477251f8 | 1753 | putchar(','); |
477251f8 | 1754 | } |
e3b3a2f3 KZ |
1755 | if (i > 0) |
1756 | putchar(','); | |
1757 | ||
3d27b76a | 1758 | data = get_cell_header(desc, col, mod, buf, sizeof(buf)); |
b9d18bc3 | 1759 | |
cc07239d KZ |
1760 | if (data && * data && col != COL_CPU_CACHE && |
1761 | !coldescs_cpu[col].is_abbr) { | |
3d27b76a KZ |
1762 | /* |
1763 | * For normal column names use mixed case (e.g. "Socket") | |
1764 | */ | |
1765 | char *p = data + 1; | |
1766 | ||
14e8be8a PU |
1767 | while (p && *p != '\0') { |
1768 | *p = tolower((unsigned int) *p); | |
1769 | p++; | |
1770 | } | |
3d27b76a | 1771 | } |
e3b3a2f3 | 1772 | fputs(data && *data ? data : "", stdout); |
477251f8 KZ |
1773 | } |
1774 | putchar('\n'); | |
1775 | ||
e3b3a2f3 KZ |
1776 | /* |
1777 | * Data | |
1778 | */ | |
a5cfffff | 1779 | for (i = 0; i < desc->ncpuspos; i++) { |
e3b3a2f3 | 1780 | int c; |
4f642863 | 1781 | int cpu = real_cpu_num(desc, i); |
e3b3a2f3 | 1782 | |
6dd7b74b SK |
1783 | if (desc->online) { |
1784 | if (!mod->offline && !is_cpu_online(desc, cpu)) | |
1785 | continue; | |
1786 | if (!mod->online && is_cpu_online(desc, cpu)) | |
1787 | continue; | |
1788 | } | |
4f642863 | 1789 | if (desc->present && !is_cpu_present(desc, cpu)) |
a5cfffff | 1790 | continue; |
477251f8 | 1791 | for (c = 0; c < ncols; c++) { |
cc07239d | 1792 | if (mod->compat && cols[c] == COL_CPU_CACHE) { |
477251f8 KZ |
1793 | if (!desc->ncaches) |
1794 | continue; | |
1795 | if (c > 0) | |
1796 | putchar(','); | |
1797 | } | |
1798 | if (c > 0) | |
1799 | putchar(','); | |
e3b3a2f3 KZ |
1800 | |
1801 | data = get_cell_data(desc, i, cols[c], mod, | |
1802 | buf, sizeof(buf)); | |
1803 | fputs(data && *data ? data : "", stdout); | |
477251f8 | 1804 | } |
5dd7507c CQ |
1805 | putchar('\n'); |
1806 | } | |
1807 | } | |
1808 | ||
ba45d8c1 KZ |
1809 | /* |
1810 | * [-e] backend | |
1811 | */ | |
1812 | static void | |
cc07239d | 1813 | print_cpus_readable(struct lscpu_desc *desc, int cols[], int ncols, |
ba45d8c1 KZ |
1814 | struct lscpu_modifier *mod) |
1815 | { | |
1816 | int i; | |
e7213e34 KZ |
1817 | char buf[BUFSIZ]; |
1818 | const char *data; | |
710ed55d | 1819 | struct libscols_table *table; |
ba45d8c1 | 1820 | |
710ed55d KZ |
1821 | scols_init_debug(0); |
1822 | ||
1823 | table = scols_new_table(); | |
83db4eb2 | 1824 | if (!table) |
780ce22c | 1825 | err(EXIT_FAILURE, _("failed to allocate output table")); |
19a5510b KZ |
1826 | if (mod->json) { |
1827 | scols_table_enable_json(table, 1); | |
1828 | scols_table_set_name(table, "cpus"); | |
1829 | } | |
ba45d8c1 KZ |
1830 | |
1831 | for (i = 0; i < ncols; i++) { | |
b9d18bc3 | 1832 | data = get_cell_header(desc, cols[i], mod, buf, sizeof(buf)); |
2ec00a10 | 1833 | if (!scols_table_new_column(table, data, 0, coldescs_cpu[cols[i]].flags)) |
780ce22c | 1834 | err(EXIT_FAILURE, _("failed to allocate output column")); |
ba45d8c1 KZ |
1835 | } |
1836 | ||
a5cfffff | 1837 | for (i = 0; i < desc->ncpuspos; i++) { |
ba45d8c1 | 1838 | int c; |
83db4eb2 | 1839 | struct libscols_line *line; |
4f642863 | 1840 | int cpu = real_cpu_num(desc, i); |
ba45d8c1 | 1841 | |
6dd7b74b SK |
1842 | if (desc->online) { |
1843 | if (!mod->offline && !is_cpu_online(desc, cpu)) | |
1844 | continue; | |
1845 | if (!mod->online && is_cpu_online(desc, cpu)) | |
1846 | continue; | |
1847 | } | |
4f642863 | 1848 | if (desc->present && !is_cpu_present(desc, cpu)) |
a5cfffff | 1849 | continue; |
ba45d8c1 | 1850 | |
83db4eb2 | 1851 | line = scols_table_new_line(table, NULL); |
e7213e34 | 1852 | if (!line) |
780ce22c | 1853 | err(EXIT_FAILURE, _("failed to allocate output line")); |
ba45d8c1 KZ |
1854 | |
1855 | for (c = 0; c < ncols; c++) { | |
1856 | data = get_cell_data(desc, i, cols[c], mod, | |
1857 | buf, sizeof(buf)); | |
e7213e34 KZ |
1858 | if (!data || !*data) |
1859 | data = "-"; | |
bf1eab07 | 1860 | if (scols_line_set_data(line, c, data)) |
780ce22c | 1861 | err(EXIT_FAILURE, _("failed to add output data")); |
ba45d8c1 KZ |
1862 | } |
1863 | } | |
1864 | ||
83db4eb2 OO |
1865 | scols_print_table(table); |
1866 | scols_unref_table(table); | |
ba45d8c1 | 1867 | } |
5dd7507c | 1868 | |
c82b12a0 KZ |
1869 | |
1870 | static void __attribute__ ((__format__(printf, 3, 4))) | |
1871 | add_summary_sprint(struct libscols_table *tb, | |
1872 | const char *txt, | |
1873 | const char *fmt, | |
1874 | ...) | |
1875 | { | |
1876 | struct libscols_line *ln = scols_table_new_line(tb, NULL); | |
1877 | char *data; | |
1878 | va_list args; | |
1879 | ||
1880 | if (!ln) | |
780ce22c | 1881 | err(EXIT_FAILURE, _("failed to allocate output line")); |
c82b12a0 KZ |
1882 | |
1883 | /* description column */ | |
1884 | scols_line_set_data(ln, 0, txt); | |
1885 | ||
1886 | /* data column */ | |
1887 | va_start(args, fmt); | |
1888 | xvasprintf(&data, fmt, args); | |
1889 | va_end(args); | |
1890 | ||
780ce22c KZ |
1891 | if (data && scols_line_refer_data(ln, 1, data)) |
1892 | err(EXIT_FAILURE, _("failed to add output data")); | |
c82b12a0 KZ |
1893 | } |
1894 | ||
1895 | #define add_summary_n(tb, txt, num) add_summary_sprint(tb, txt, "%d", num) | |
1896 | #define add_summary_s(tb, txt, str) add_summary_sprint(tb, txt, "%s", str) | |
5dd7507c CQ |
1897 | |
1898 | static void | |
c82b12a0 KZ |
1899 | print_cpuset(struct libscols_table *tb, |
1900 | const char *key, cpu_set_t *set, int hex) | |
4f912c6a KZ |
1901 | { |
1902 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); | |
1903 | size_t setbuflen = 7 * maxcpus; | |
1904 | char setbuf[setbuflen], *p; | |
1905 | ||
1906 | if (hex) { | |
1907 | p = cpumask_create(setbuf, setbuflen, set, setsize); | |
c82b12a0 | 1908 | add_summary_s(tb, key, p); |
4f912c6a KZ |
1909 | } else { |
1910 | p = cpulist_create(setbuf, setbuflen, set, setsize); | |
c82b12a0 | 1911 | add_summary_s(tb, key, p); |
4f912c6a | 1912 | } |
4f912c6a KZ |
1913 | } |
1914 | ||
0e86bc84 KZ |
1915 | static int get_cache_full_size(struct lscpu_desc *desc, |
1916 | struct cpu_cache *ca, uint64_t *res) | |
e5f72113 | 1917 | { |
e5f72113 | 1918 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
0e86bc84 | 1919 | int i, nshares = 0; |
e5f72113 KZ |
1920 | |
1921 | /* Count number of CPUs which shares the cache */ | |
1922 | for (i = 0; i < desc->ncpuspos; i++) { | |
1923 | int cpu = real_cpu_num(desc, i); | |
1924 | ||
1925 | if (desc->present && !is_cpu_present(desc, cpu)) | |
1926 | continue; | |
1927 | if (CPU_ISSET_S(cpu, setsize, ca->sharedmaps[0])) | |
1928 | nshares++; | |
1929 | } | |
1930 | ||
1931 | /* Correction for CPU threads */ | |
1932 | if (desc->nthreads > desc->ncores) | |
1933 | nshares /= (desc->nthreads / desc->ncores); | |
23df0510 SK |
1934 | if (nshares < 1) |
1935 | nshares = 1; | |
e5f72113 | 1936 | |
0e86bc84 | 1937 | *res = (desc->ncores / nshares) * ca->size; |
e5f72113 KZ |
1938 | return 0; |
1939 | } | |
1940 | ||
ba45d8c1 KZ |
1941 | /* |
1942 | * default output | |
1943 | */ | |
4f912c6a | 1944 | static void |
8005924a | 1945 | print_summary(struct lscpu_desc *desc, struct lscpu_modifier *mod) |
5dd7507c | 1946 | { |
577d1a66 | 1947 | char buf[BUFSIZ]; |
fc07d9f5 | 1948 | int i = 0; |
aac1e59e | 1949 | size_t setsize = CPU_ALLOC_SIZE(maxcpus); |
c82b12a0 KZ |
1950 | struct libscols_table *tb; |
1951 | ||
1952 | scols_init_debug(0); | |
1953 | ||
1954 | tb = scols_new_table(); | |
1955 | if (!tb) | |
780ce22c | 1956 | err(EXIT_FAILURE, _("failed to allocate output table")); |
7e03f383 | 1957 | |
c82b12a0 | 1958 | scols_table_enable_noheadings(tb, 1); |
19a5510b KZ |
1959 | if (mod->json) { |
1960 | scols_table_enable_json(tb, 1); | |
1961 | scols_table_set_name(tb, "lscpu"); | |
1962 | } | |
79e8b41a | 1963 | |
19a5510b | 1964 | if (scols_table_new_column(tb, "field", 0, 0) == NULL || |
b8910af5 | 1965 | scols_table_new_column(tb, "data", 0, SCOLS_FL_NOEXTREMES | SCOLS_FL_WRAP) == NULL) |
c82b12a0 KZ |
1966 | err(EXIT_FAILURE, _("failed to initialize output column")); |
1967 | ||
1968 | add_summary_s(tb, _("Architecture:"), desc->arch); | |
f633ad4e | 1969 | if (desc->mode) { |
577d1a66 | 1970 | char *p = buf; |
79e8b41a | 1971 | |
f633ad4e | 1972 | if (desc->mode & MODE_32BIT) { |
79e8b41a KZ |
1973 | strcpy(p, "32-bit, "); |
1974 | p += 8; | |
1975 | } | |
f633ad4e | 1976 | if (desc->mode & MODE_64BIT) { |
79e8b41a KZ |
1977 | strcpy(p, "64-bit, "); |
1978 | p += 8; | |
1979 | } | |
1980 | *(p - 2) = '\0'; | |
577d1a66 | 1981 | add_summary_s(tb, _("CPU op-mode(s):"), buf); |
79e8b41a | 1982 | } |
aabe2441 | 1983 | #if !defined(WORDS_BIGENDIAN) |
c82b12a0 | 1984 | add_summary_s(tb, _("Byte Order:"), "Little Endian"); |
9b8d4d5f | 1985 | #else |
c82b12a0 | 1986 | add_summary_s(tb, _("Byte Order:"), "Big Endian"); |
9b8d4d5f | 1987 | #endif |
3e48ef72 KZ |
1988 | |
1989 | if (desc->addrsz) | |
1990 | add_summary_s(tb, _("Address sizes:"), desc->addrsz); | |
1991 | ||
c82b12a0 | 1992 | add_summary_n(tb, _("CPU(s):"), desc->ncpus); |
4f912c6a | 1993 | |
5d4ba40d | 1994 | if (desc->online) |
c82b12a0 KZ |
1995 | print_cpuset(tb, mod->hex ? _("On-line CPU(s) mask:") : |
1996 | _("On-line CPU(s) list:"), | |
8005924a | 1997 | desc->online, mod->hex); |
4f912c6a | 1998 | |
5d4ba40d | 1999 | if (desc->online && CPU_COUNT_S(setsize, desc->online) != desc->ncpus) { |
4f912c6a KZ |
2000 | cpu_set_t *set; |
2001 | ||
2002 | /* Linux kernel provides cpuset of off-line CPUs that contains | |
2003 | * all configured CPUs (see /sys/devices/system/cpu/offline), | |
2004 | * but want to print real (present in system) off-line CPUs only. | |
2005 | */ | |
2006 | set = cpuset_alloc(maxcpus, NULL, NULL); | |
2007 | if (!set) | |
2008 | err(EXIT_FAILURE, _("failed to callocate cpu set")); | |
2009 | CPU_ZERO_S(setsize, set); | |
a5cfffff | 2010 | for (i = 0; i < desc->ncpuspos; i++) { |
4f642863 AT |
2011 | int cpu = real_cpu_num(desc, i); |
2012 | if (!is_cpu_online(desc, cpu) && is_cpu_present(desc, cpu)) | |
2013 | CPU_SET_S(cpu, setsize, set); | |
4f912c6a | 2014 | } |
c82b12a0 KZ |
2015 | print_cpuset(tb, mod->hex ? _("Off-line CPU(s) mask:") : |
2016 | _("Off-line CPU(s) list:"), | |
8005924a | 2017 | set, mod->hex); |
4f912c6a KZ |
2018 | cpuset_free(set); |
2019 | } | |
5dd7507c | 2020 | |
7e03f383 | 2021 | if (desc->nsockets) { |
2c497d32 HC |
2022 | int threads_per_core, cores_per_socket, sockets_per_book; |
2023 | int books_per_drawer, drawers; | |
904ffe1f | 2024 | FILE *fd; |
8648ca96 | 2025 | |
2c497d32 HC |
2026 | threads_per_core = cores_per_socket = sockets_per_book = 0; |
2027 | books_per_drawer = drawers = 0; | |
8648ca96 HC |
2028 | /* s390 detects its cpu topology via /proc/sysinfo, if present. |
2029 | * Using simply the cpu topology masks in sysfs will not give | |
2030 | * usable results since everything is virtualized. E.g. | |
2031 | * virtual core 0 may have only 1 cpu, but virtual core 2 may | |
2032 | * five cpus. | |
2033 | * If the cpu topology is not exported (e.g. 2nd level guest) | |
2034 | * fall back to old calculation scheme. | |
2035 | */ | |
6e509042 | 2036 | if ((fd = ul_path_fopen(desc->procfs, "r", "sysinfo"))) { |
b3adf6ef | 2037 | int t0, t1; |
8648ca96 | 2038 | |
577d1a66 KZ |
2039 | while (fd && fgets(buf, sizeof(buf), fd) != NULL) { |
2040 | if (sscanf(buf, "CPU Topology SW:%d%d%d%d%d%d", | |
b3adf6ef HC |
2041 | &t0, &t1, &drawers, &books_per_drawer, |
2042 | &sockets_per_book, | |
8648ca96 HC |
2043 | &cores_per_socket) == 6) |
2044 | break; | |
2045 | } | |
ad655c88 KZ |
2046 | if (fd) |
2047 | fclose(fd); | |
8648ca96 | 2048 | } |
2c497d32 HC |
2049 | if (desc->mtid) |
2050 | threads_per_core = atoi(desc->mtid) + 1; | |
c82b12a0 | 2051 | add_summary_n(tb, _("Thread(s) per core:"), |
2c497d32 | 2052 | threads_per_core ?: desc->nthreads / desc->ncores); |
c82b12a0 | 2053 | add_summary_n(tb, _("Core(s) per socket:"), |
8648ca96 | 2054 | cores_per_socket ?: desc->ncores / desc->nsockets); |
56baaa4e | 2055 | if (desc->nbooks) { |
c82b12a0 | 2056 | add_summary_n(tb, _("Socket(s) per book:"), |
8648ca96 | 2057 | sockets_per_book ?: desc->nsockets / desc->nbooks); |
b3adf6ef | 2058 | if (desc->ndrawers) { |
c82b12a0 | 2059 | add_summary_n(tb, _("Book(s) per drawer:"), |
b3adf6ef | 2060 | books_per_drawer ?: desc->nbooks / desc->ndrawers); |
c82b12a0 | 2061 | add_summary_n(tb, _("Drawer(s):"), drawers ?: desc->ndrawers); |
b3adf6ef | 2062 | } else { |
c82b12a0 | 2063 | add_summary_n(tb, _("Book(s):"), books_per_drawer ?: desc->nbooks); |
b3adf6ef | 2064 | } |
56baaa4e | 2065 | } else { |
c82b12a0 | 2066 | add_summary_n(tb, _("Socket(s):"), sockets_per_book ?: desc->nsockets); |
56baaa4e | 2067 | } |
5dd7507c | 2068 | } |
7e03f383 | 2069 | if (desc->nnodes) |
c82b12a0 | 2070 | add_summary_n(tb, _("NUMA node(s):"), desc->nnodes); |
e8aa16ee | 2071 | if (desc->vendor) |
c82b12a0 | 2072 | add_summary_s(tb, _("Vendor ID:"), desc->vendor); |
0c28f0c8 | 2073 | if (desc->machinetype) |
c82b12a0 | 2074 | add_summary_s(tb, _("Machine type:"), desc->machinetype); |
e8aa16ee | 2075 | if (desc->family) |
c82b12a0 | 2076 | add_summary_s(tb, _("CPU family:"), desc->family); |
c95e3889 | 2077 | if (desc->model || desc->revision) |
c82b12a0 | 2078 | add_summary_s(tb, _("Model:"), desc->revision ? desc->revision : desc->model); |
c95e3889 | 2079 | if (desc->modelname || desc->cpu) |
c82b12a0 | 2080 | add_summary_s(tb, _("Model name:"), desc->cpu ? desc->cpu : desc->modelname); |
e8aa16ee | 2081 | if (desc->stepping) |
c82b12a0 | 2082 | add_summary_s(tb, _("Stepping:"), desc->stepping); |
16ca0551 KZ |
2083 | if (desc->freqboost >= 0) |
2084 | add_summary_s(tb, _("Frequency boost:"), desc->freqboost ? | |
2085 | _("enabled") : _("disabled")); | |
e8aa16ee | 2086 | if (desc->mhz) |
c82b12a0 | 2087 | add_summary_s(tb, _("CPU MHz:"), desc->mhz); |
4632b288 | 2088 | if (desc->dynamic_mhz) |
c82b12a0 | 2089 | add_summary_s(tb, _("CPU dynamic MHz:"), desc->dynamic_mhz); |
4632b288 | 2090 | if (desc->static_mhz) |
c82b12a0 | 2091 | add_summary_s(tb, _("CPU static MHz:"), desc->static_mhz); |
89222b17 KZ |
2092 | if (desc->maxmhz) |
2093 | add_summary_s(tb, _("CPU max MHz:"), cpu_max_mhz(desc, buf, sizeof(buf))); | |
2094 | if (desc->minmhz) | |
2095 | add_summary_s(tb, _("CPU min MHz:"), cpu_min_mhz(desc, buf, sizeof(buf))); | |
9b8d4d5f | 2096 | if (desc->bogomips) |
c82b12a0 | 2097 | add_summary_s(tb, _("BogoMIPS:"), desc->bogomips); |
e8aa16ee KZ |
2098 | if (desc->virtflag) { |
2099 | if (!strcmp(desc->virtflag, "svm")) | |
c82b12a0 | 2100 | add_summary_s(tb, _("Virtualization:"), "AMD-V"); |
e8aa16ee | 2101 | else if (!strcmp(desc->virtflag, "vmx")) |
c82b12a0 | 2102 | add_summary_s(tb, _("Virtualization:"), "VT-x"); |
5dd7507c | 2103 | } |
10829cd7 | 2104 | if (desc->hypervisor) |
c82b12a0 | 2105 | add_summary_s(tb, _("Hypervisor:"), desc->hypervisor); |
e8aa16ee | 2106 | if (desc->hyper) { |
c82b12a0 KZ |
2107 | add_summary_s(tb, _("Hypervisor vendor:"), hv_vendors[desc->hyper]); |
2108 | add_summary_s(tb, _("Virtualization type:"), _(virt_types[desc->virtype])); | |
c8b64f6d | 2109 | } |
a0fff77e | 2110 | if (desc->dispatching >= 0) |
c82b12a0 | 2111 | add_summary_s(tb, _("Dispatching mode:"), _(disp_modes[desc->dispatching])); |
7e03f383 | 2112 | if (desc->ncaches) { |
7e03f383 | 2113 | for (i = desc->ncaches - 1; i >= 0; i--) { |
e5f72113 KZ |
2114 | uint64_t sz = 0; |
2115 | char *tmp; | |
2011528b | 2116 | struct cpu_cache *ca = &desc->caches[i]; |
e5f72113 | 2117 | |
2011528b | 2118 | if (ca->size == 0) |
e5f72113 | 2119 | continue; |
2011528b KZ |
2120 | if (get_cache_full_size(desc, ca, &sz) != 0 || sz == 0) |
2121 | continue; | |
2122 | if (mod->bytes) | |
2123 | xasprintf(&tmp, "%" PRIu64, sz); | |
2124 | else | |
2125 | tmp = size_to_human_string( | |
e5f72113 KZ |
2126 | SIZE_SUFFIX_3LETTER | SIZE_SUFFIX_SPACE, |
2127 | sz); | |
30d5ceed | 2128 | snprintf(buf, sizeof(buf), _("%s cache:"), ca->name); |
e5f72113 KZ |
2129 | add_summary_s(tb, buf, tmp); |
2130 | free(tmp); | |
7e03f383 KZ |
2131 | } |
2132 | } | |
28b1658f | 2133 | if (desc->necaches) { |
28b1658f | 2134 | for (i = desc->necaches - 1; i >= 0; i--) { |
0e86bc84 | 2135 | char *tmp; |
2011528b | 2136 | struct cpu_cache *ca = &desc->ecaches[i]; |
0e86bc84 | 2137 | |
2011528b | 2138 | if (ca->size == 0) |
0e86bc84 | 2139 | continue; |
2011528b KZ |
2140 | if (mod->bytes) |
2141 | xasprintf(&tmp, "%" PRIu64, ca->size); | |
2142 | else | |
2143 | tmp = size_to_human_string( | |
0e86bc84 | 2144 | SIZE_SUFFIX_3LETTER | SIZE_SUFFIX_SPACE, |
2011528b | 2145 | ca->size); |
30d5ceed | 2146 | snprintf(buf, sizeof(buf), _("%s cache:"), ca->name); |
0e86bc84 KZ |
2147 | add_summary_s(tb, buf, tmp); |
2148 | free(tmp); | |
28b1658f HC |
2149 | } |
2150 | } | |
2151 | ||
4f912c6a | 2152 | for (i = 0; i < desc->nnodes; i++) { |
e9074a16 | 2153 | snprintf(buf, sizeof(buf), _("NUMA node%d CPU(s):"), desc->idx2nodenum[i]); |
c82b12a0 | 2154 | print_cpuset(tb, buf, desc->nodemaps[i], mod->hex); |
5dd7507c | 2155 | } |
ee1f1057 | 2156 | |
bd9b94d1 | 2157 | if (desc->physsockets) { |
c82b12a0 KZ |
2158 | add_summary_n(tb, _("Physical sockets:"), desc->physsockets); |
2159 | add_summary_n(tb, _("Physical chips:"), desc->physchips); | |
2160 | add_summary_n(tb, _("Physical cores/chip:"), desc->physcoresperchip); | |
bd9b94d1 | 2161 | } |
c82b12a0 | 2162 | |
639eeb28 KZ |
2163 | if (desc->vuls) { |
2164 | for (i = 0; i < desc->nvuls; i++) { | |
30d5ceed | 2165 | snprintf(buf, sizeof(buf), ("Vulnerability %s:"), desc->vuls[i].name); |
639eeb28 KZ |
2166 | add_summary_s(tb, buf, desc->vuls[i].text); |
2167 | } | |
2168 | } | |
2169 | ||
c82b12a0 KZ |
2170 | if (desc->flags) |
2171 | add_summary_s(tb, _("Flags:"), desc->flags); | |
2172 | ||
2173 | scols_print_table(tb); | |
2174 | scols_unref_table(tb); | |
5dd7507c CQ |
2175 | } |
2176 | ||
6e1eda6f | 2177 | static void __attribute__((__noreturn__)) usage(void) |
5dd7507c | 2178 | { |
6e1eda6f | 2179 | FILE *out = stdout; |
b9d18bc3 KZ |
2180 | size_t i; |
2181 | ||
2182 | fputs(USAGE_HEADER, out); | |
c6f095cf | 2183 | fprintf(out, _(" %s [options]\n"), program_invocation_short_name); |
7f1ec5e8 | 2184 | |
451dbcfa BS |
2185 | fputs(USAGE_SEPARATOR, out); |
2186 | fputs(_("Display information about the CPU architecture.\n"), out); | |
2187 | ||
b9d18bc3 | 2188 | fputs(USAGE_OPTIONS, out); |
c6f095cf BS |
2189 | fputs(_(" -a, --all print both online and offline CPUs (default for -e)\n"), out); |
2190 | fputs(_(" -b, --online print online CPUs only (default for -p)\n"), out); | |
2011528b | 2191 | fputs(_(" -B, --bytes print sizes in bytes rather than in human readable format\n"), out); |
0e86bc84 | 2192 | fputs(_(" -C, --caches[=<list>] info about caches in extended readable format\n"), out); |
c6f095cf | 2193 | fputs(_(" -c, --offline print offline CPUs only\n"), out); |
19a5510b | 2194 | fputs(_(" -J, --json use JSON for default or extended format\n"), out); |
c6f095cf BS |
2195 | fputs(_(" -e, --extended[=<list>] print out an extended readable format\n"), out); |
2196 | fputs(_(" -p, --parse[=<list>] print out a parsable format\n"), out); | |
2197 | fputs(_(" -s, --sysroot <dir> use specified directory as system root\n"), out); | |
2198 | fputs(_(" -x, --hex print hexadecimal masks rather than lists of CPUs\n"), out); | |
0d2b5d2a | 2199 | fputs(_(" -y, --physical print physical instead of logical IDs\n"), out); |
0a31a242 | 2200 | fputs(_(" --output-all print all available columns for -e, -p or -C\n"), out); |
c6f095cf | 2201 | fputs(USAGE_SEPARATOR, out); |
f45f3ec3 | 2202 | printf(USAGE_HELP_OPTIONS(25)); |
b9d18bc3 | 2203 | |
cc07239d KZ |
2204 | fputs(_("\nAvailable output columns for -e or -p:\n"), out); |
2205 | for (i = 0; i < ARRAY_SIZE(coldescs_cpu); i++) | |
2206 | fprintf(out, " %13s %s\n", coldescs_cpu[i].name, _(coldescs_cpu[i].help)); | |
3d27b76a | 2207 | |
0e86bc84 KZ |
2208 | fputs(_("\nAvailable output columns for -C:\n"), out); |
2209 | for (i = 0; i < ARRAY_SIZE(coldescs_cache); i++) | |
2210 | fprintf(out, " %13s %s\n", coldescs_cache[i].name, _(coldescs_cache[i].help)); | |
2211 | ||
f45f3ec3 | 2212 | printf(USAGE_MAN_TAIL("lscpu(1)")); |
4f912c6a | 2213 | |
6e1eda6f | 2214 | exit(EXIT_SUCCESS); |
5dd7507c CQ |
2215 | } |
2216 | ||
2217 | int main(int argc, char *argv[]) | |
2218 | { | |
8005924a | 2219 | struct lscpu_modifier _mod = { .mode = OUTPUT_SUMMARY }, *mod = &_mod; |
87918040 | 2220 | struct lscpu_desc _desc = { .flags = NULL }, *desc = &_desc; |
0e86bc84 | 2221 | int c, i, all = 0; |
cc07239d | 2222 | int columns[ARRAY_SIZE(coldescs_cpu)], ncolumns = 0; |
7fc12cd2 | 2223 | int cpu_modifier_specified = 0; |
538b50cb | 2224 | size_t setsize; |
5dd7507c | 2225 | |
fbf0619b SK |
2226 | enum { |
2227 | OPT_OUTPUT_ALL = CHAR_MAX + 1, | |
2228 | }; | |
6c7d5ae9 | 2229 | static const struct option longopts[] = { |
87918040 SK |
2230 | { "all", no_argument, NULL, 'a' }, |
2231 | { "online", no_argument, NULL, 'b' }, | |
2011528b | 2232 | { "bytes", no_argument, NULL, 'B' }, |
0e86bc84 | 2233 | { "caches", optional_argument, NULL, 'C' }, |
87918040 SK |
2234 | { "offline", no_argument, NULL, 'c' }, |
2235 | { "help", no_argument, NULL, 'h' }, | |
2236 | { "extended", optional_argument, NULL, 'e' }, | |
19a5510b | 2237 | { "json", no_argument, NULL, 'J' }, |
87918040 SK |
2238 | { "parse", optional_argument, NULL, 'p' }, |
2239 | { "sysroot", required_argument, NULL, 's' }, | |
2240 | { "physical", no_argument, NULL, 'y' }, | |
2241 | { "hex", no_argument, NULL, 'x' }, | |
2242 | { "version", no_argument, NULL, 'V' }, | |
fbf0619b | 2243 | { "output-all", no_argument, NULL, OPT_OUTPUT_ALL }, |
87918040 | 2244 | { NULL, 0, NULL, 0 } |
5dd7507c CQ |
2245 | }; |
2246 | ||
8e97eb4b | 2247 | static const ul_excl_t excl[] = { /* rows and cols in ASCII order */ |
0e86bc84 | 2248 | { 'C','e','p' }, |
a44cd891 | 2249 | { 'a','b','c' }, |
8e97eb4b KZ |
2250 | { 0 } |
2251 | }; | |
2252 | int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT; | |
2253 | ||
2f8f1388 | 2254 | setlocale(LC_ALL, ""); |
5dd7507c CQ |
2255 | bindtextdomain(PACKAGE, LOCALEDIR); |
2256 | textdomain(PACKAGE); | |
efb8854f | 2257 | atexit(close_stdout); |
5dd7507c | 2258 | |
2011528b | 2259 | while ((c = getopt_long(argc, argv, "aBbC::ce::hJp::s:xyV", longopts, NULL)) != -1) { |
8e97eb4b KZ |
2260 | |
2261 | err_exclusive_options(c, longopts, excl, excl_st); | |
2262 | ||
5dd7507c | 2263 | switch (c) { |
0ad29ff6 | 2264 | case 'a': |
7afc2387 | 2265 | mod->online = mod->offline = 1; |
7fc12cd2 | 2266 | cpu_modifier_specified = 1; |
0ad29ff6 | 2267 | break; |
2011528b KZ |
2268 | case 'B': |
2269 | mod->bytes = 1; | |
2270 | break; | |
23e9e95a KZ |
2271 | case 'b': |
2272 | mod->online = 1; | |
7fc12cd2 | 2273 | cpu_modifier_specified = 1; |
23e9e95a | 2274 | break; |
7afc2387 HC |
2275 | case 'c': |
2276 | mod->offline = 1; | |
7fc12cd2 | 2277 | cpu_modifier_specified = 1; |
7afc2387 | 2278 | break; |
0e86bc84 KZ |
2279 | case 'C': |
2280 | if (optarg) { | |
2281 | if (*optarg == '=') | |
2282 | optarg++; | |
2283 | ncolumns = string_to_idarray(optarg, | |
2284 | columns, ARRAY_SIZE(columns), | |
2285 | cache_column_name_to_id); | |
2286 | if (ncolumns < 0) | |
2287 | return EXIT_FAILURE; | |
2288 | } | |
2289 | mod->mode = OUTPUT_CACHES; | |
2290 | break; | |
19a5510b KZ |
2291 | case 'J': |
2292 | mod->json = 1; | |
2293 | break; | |
5dd7507c | 2294 | case 'p': |
ba45d8c1 | 2295 | case 'e': |
477251f8 KZ |
2296 | if (optarg) { |
2297 | if (*optarg == '=') | |
2298 | optarg++; | |
2299 | ncolumns = string_to_idarray(optarg, | |
2300 | columns, ARRAY_SIZE(columns), | |
cc07239d | 2301 | cpu_column_name_to_id); |
477251f8 KZ |
2302 | if (ncolumns < 0) |
2303 | return EXIT_FAILURE; | |
477251f8 | 2304 | } |
ba45d8c1 | 2305 | mod->mode = c == 'p' ? OUTPUT_PARSABLE : OUTPUT_READABLE; |
5dd7507c | 2306 | break; |
47b6e8b6 | 2307 | case 's': |
6e509042 | 2308 | desc->prefix = optarg; |
8148217b | 2309 | mod->system = SYSTEM_SNAPSHOT; |
47b6e8b6 | 2310 | break; |
4f912c6a | 2311 | case 'x': |
8005924a | 2312 | mod->hex = 1; |
4f912c6a | 2313 | break; |
0d2b5d2a HC |
2314 | case 'y': |
2315 | mod->physical = 1; | |
2316 | break; | |
fbf0619b | 2317 | case OPT_OUTPUT_ALL: |
0e86bc84 | 2318 | all = 1; |
fbf0619b | 2319 | break; |
2c308875 KZ |
2320 | |
2321 | case 'h': | |
2322 | usage(); | |
2323 | case 'V': | |
2324 | print_version(EXIT_SUCCESS); | |
5dd7507c | 2325 | default: |
677ec86c | 2326 | errtryhelp(EXIT_FAILURE); |
5dd7507c CQ |
2327 | } |
2328 | } | |
7bbb7829 | 2329 | |
0a31a242 | 2330 | if (all && ncolumns == 0) { |
0e86bc84 KZ |
2331 | size_t sz, maxsz = mod->mode == OUTPUT_CACHES ? |
2332 | ARRAY_SIZE(coldescs_cache) : | |
2333 | ARRAY_SIZE(coldescs_cpu); | |
2334 | ||
2335 | for (sz = 0; sz < maxsz; sz++) | |
0a31a242 | 2336 | columns[ncolumns++] = sz; |
0e86bc84 KZ |
2337 | } |
2338 | ||
7fc12cd2 HC |
2339 | if (cpu_modifier_specified && mod->mode == OUTPUT_SUMMARY) { |
2340 | fprintf(stderr, | |
2341 | _("%s: options --all, --online and --offline may only " | |
ac56e555 | 2342 | "be used with options --extended or --parse.\n"), |
7fc12cd2 HC |
2343 | program_invocation_short_name); |
2344 | return EXIT_FAILURE; | |
2345 | } | |
2346 | ||
6e1eda6f RM |
2347 | if (argc != optind) { |
2348 | warnx(_("bad usage")); | |
2349 | errtryhelp(EXIT_FAILURE); | |
2350 | } | |
7bbb7829 | 2351 | |
7afc2387 HC |
2352 | /* set default cpu display mode if none was specified */ |
2353 | if (!mod->online && !mod->offline) { | |
2354 | mod->online = 1; | |
2355 | mod->offline = mod->mode == OUTPUT_READABLE ? 1 : 0; | |
2356 | } | |
5dd7507c | 2357 | |
6e509042 KZ |
2358 | ul_path_init_debug(); |
2359 | ||
2360 | /* /sys/devices/system/cpu */ | |
2361 | desc->syscpu = ul_new_path(_PATH_SYS_CPU); | |
2362 | if (!desc->syscpu) | |
2363 | err(EXIT_FAILURE, _("failed to initialize CPUs sysfs handler")); | |
2364 | if (desc->prefix) | |
2365 | ul_path_set_prefix(desc->syscpu, desc->prefix); | |
2366 | ||
2367 | /* /proc */ | |
2368 | desc->procfs = ul_new_path("/proc"); | |
2369 | if (!desc->procfs) | |
2370 | err(EXIT_FAILURE, _("failed to initialize procfs handler")); | |
2371 | if (desc->prefix) | |
2372 | ul_path_set_prefix(desc->procfs, desc->prefix); | |
2373 | ||
8148217b | 2374 | read_basicinfo(desc, mod); |
5dd7507c | 2375 | |
538b50cb SB |
2376 | setsize = CPU_ALLOC_SIZE(maxcpus); |
2377 | ||
a5cfffff | 2378 | for (i = 0; i < desc->ncpuspos; i++) { |
0002704e HC |
2379 | /* only consider present CPUs */ |
2380 | if (desc->present && | |
538b50cb | 2381 | !CPU_ISSET_S(real_cpu_num(desc, i), setsize, desc->present)) |
0002704e | 2382 | continue; |
7e03f383 KZ |
2383 | read_topology(desc, i); |
2384 | read_cache(desc, i); | |
2b8fcb81 | 2385 | read_polarization(desc, i); |
596b8845 | 2386 | read_address(desc, i); |
d231eea1 | 2387 | read_configured(desc, i); |
44320710 | 2388 | read_max_mhz(desc, i); |
e065a597 | 2389 | read_min_mhz(desc, i); |
47b6e8b6 | 2390 | } |
7e03f383 | 2391 | |
960bf130 KZ |
2392 | if (desc->caches) |
2393 | qsort(desc->caches, desc->ncaches, | |
2394 | sizeof(struct cpu_cache), cachecmp); | |
7e03f383 | 2395 | |
28b1658f HC |
2396 | if (desc->ecaches) |
2397 | qsort(desc->ecaches, desc->necaches, | |
2398 | sizeof(struct cpu_cache), cachecmp); | |
2399 | ||
7e03f383 | 2400 | read_nodes(desc); |
eff79ceb | 2401 | read_hypervisor(desc, mod); |
744d62ee | 2402 | arm_cpu_decode(desc); |
c8b64f6d | 2403 | |
8005924a | 2404 | switch(mod->mode) { |
ba45d8c1 KZ |
2405 | case OUTPUT_SUMMARY: |
2406 | print_summary(desc, mod); | |
2407 | break; | |
0e86bc84 KZ |
2408 | case OUTPUT_CACHES: |
2409 | if (!ncolumns) { | |
2410 | columns[ncolumns++] = COL_CACHE_NAME; | |
2411 | columns[ncolumns++] = COL_CACHE_ONESIZE; | |
2412 | columns[ncolumns++] = COL_CACHE_ALLSIZE; | |
2413 | columns[ncolumns++] = COL_CACHE_WAYS; | |
2414 | columns[ncolumns++] = COL_CACHE_TYPE; | |
2415 | columns[ncolumns++] = COL_CACHE_LEVEL; | |
2416 | } | |
2417 | print_caches_readable(desc, columns, ncolumns, mod); | |
2418 | break; | |
ba45d8c1 KZ |
2419 | case OUTPUT_PARSABLE: |
2420 | if (!ncolumns) { | |
cc07239d KZ |
2421 | columns[ncolumns++] = COL_CPU_CPU; |
2422 | columns[ncolumns++] = COL_CPU_CORE; | |
2423 | columns[ncolumns++] = COL_CPU_SOCKET; | |
2424 | columns[ncolumns++] = COL_CPU_NODE; | |
2425 | columns[ncolumns++] = COL_CPU_CACHE; | |
ba45d8c1 KZ |
2426 | mod->compat = 1; |
2427 | } | |
cc07239d | 2428 | print_cpus_parsable(desc, columns, ncolumns, mod); |
ba45d8c1 KZ |
2429 | break; |
2430 | case OUTPUT_READABLE: | |
2431 | if (!ncolumns) { | |
2432 | /* No list was given. Just print whatever is there. */ | |
cc07239d | 2433 | columns[ncolumns++] = COL_CPU_CPU; |
ba45d8c1 | 2434 | if (desc->nodemaps) |
cc07239d | 2435 | columns[ncolumns++] = COL_CPU_NODE; |
b3adf6ef | 2436 | if (desc->drawermaps) |
cc07239d | 2437 | columns[ncolumns++] = COL_CPU_DRAWER; |
ba45d8c1 | 2438 | if (desc->bookmaps) |
cc07239d | 2439 | columns[ncolumns++] = COL_CPU_BOOK; |
ba45d8c1 | 2440 | if (desc->socketmaps) |
cc07239d | 2441 | columns[ncolumns++] = COL_CPU_SOCKET; |
ba45d8c1 | 2442 | if (desc->coremaps) |
cc07239d | 2443 | columns[ncolumns++] = COL_CPU_CORE; |
ba45d8c1 | 2444 | if (desc->caches) |
cc07239d | 2445 | columns[ncolumns++] = COL_CPU_CACHE; |
a7e5300c | 2446 | if (desc->online) |
cc07239d | 2447 | columns[ncolumns++] = COL_CPU_ONLINE; |
d231eea1 | 2448 | if (desc->configured) |
cc07239d | 2449 | columns[ncolumns++] = COL_CPU_CONFIGURED; |
ba45d8c1 | 2450 | if (desc->polarization) |
cc07239d | 2451 | columns[ncolumns++] = COL_CPU_POLARIZATION; |
ba45d8c1 | 2452 | if (desc->addresses) |
cc07239d | 2453 | columns[ncolumns++] = COL_CPU_ADDRESS; |
e065a597 | 2454 | if (desc->maxmhz) |
cc07239d | 2455 | columns[ncolumns++] = COL_CPU_MAXMHZ; |
e065a597 | 2456 | if (desc->minmhz) |
cc07239d | 2457 | columns[ncolumns++] = COL_CPU_MINMHZ; |
ba45d8c1 | 2458 | } |
cc07239d | 2459 | print_cpus_readable(desc, columns, ncolumns, mod); |
ba45d8c1 | 2460 | break; |
8005924a | 2461 | } |
5dd7507c | 2462 | |
6e509042 KZ |
2463 | ul_unref_path(desc->syscpu); |
2464 | ul_unref_path(desc->procfs); | |
cf474aac | 2465 | return EXIT_SUCCESS; |
5dd7507c | 2466 | } |