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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
ef12a141 ACM |
2 | /* |
3 | * builtin-buildid-cache.c | |
4 | * | |
5 | * Builtin buildid-cache command: Manages build-id cache | |
6 | * | |
7 | * Copyright (C) 2010, Red Hat Inc. | |
8 | * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com> | |
9 | */ | |
fc1b691d AH |
10 | #include <sys/types.h> |
11 | #include <sys/time.h> | |
12 | #include <time.h> | |
13 | #include <dirent.h> | |
a43783ae | 14 | #include <errno.h> |
fc1b691d | 15 | #include <unistd.h> |
ef12a141 | 16 | #include "builtin.h" |
f045b8c4 | 17 | #include "namespaces.h" |
ef12a141 ACM |
18 | #include "util/debug.h" |
19 | #include "util/header.h" | |
fa0d9846 | 20 | #include <subcmd/pager.h> |
4b6ab94e | 21 | #include <subcmd/parse-options.h> |
ef12a141 | 22 | #include "util/strlist.h" |
ebb296c2 | 23 | #include "util/build-id.h" |
fbb6976c | 24 | #include "util/session.h" |
4a3cec84 | 25 | #include "util/dso.h" |
4383db88 | 26 | #include "util/symbol.h" |
c5e4027e | 27 | #include "util/time-utils.h" |
efa73d37 | 28 | #include "util/util.h" |
8e1e0d74 | 29 | #include "util/probe-file.h" |
fa0d9846 | 30 | #include <linux/string.h> |
6ef81c55 | 31 | #include <linux/err.h> |
ef12a141 | 32 | |
fc1b691d AH |
33 | static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid) |
34 | { | |
35 | char root_dir[PATH_MAX]; | |
fc1b691d AH |
36 | char *p; |
37 | ||
38 | strlcpy(root_dir, proc_dir, sizeof(root_dir)); | |
39 | ||
40 | p = strrchr(root_dir, '/'); | |
41 | if (!p) | |
42 | return -1; | |
43 | *p = '\0'; | |
0b5a7935 | 44 | return sysfs__sprintf_build_id(root_dir, sbuildid); |
fc1b691d AH |
45 | } |
46 | ||
47 | static int build_id_cache__kcore_dir(char *dir, size_t sz) | |
48 | { | |
37b20151 | 49 | return fetch_current_timestamp(dir, sz); |
fc1b691d AH |
50 | } |
51 | ||
d3b70220 AH |
52 | static bool same_kallsyms_reloc(const char *from_dir, char *to_dir) |
53 | { | |
54 | char from[PATH_MAX]; | |
55 | char to[PATH_MAX]; | |
56 | const char *name; | |
57 | u64 addr1 = 0, addr2 = 0; | |
b843f62a | 58 | int i, err = -1; |
d3b70220 AH |
59 | |
60 | scnprintf(from, sizeof(from), "%s/kallsyms", from_dir); | |
61 | scnprintf(to, sizeof(to), "%s/kallsyms", to_dir); | |
62 | ||
63 | for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) { | |
b843f62a ACM |
64 | err = kallsyms__get_function_start(from, name, &addr1); |
65 | if (!err) | |
d3b70220 AH |
66 | break; |
67 | } | |
68 | ||
b843f62a ACM |
69 | if (err) |
70 | return false; | |
71 | ||
72 | if (kallsyms__get_function_start(to, name, &addr2)) | |
73 | return false; | |
d3b70220 AH |
74 | |
75 | return addr1 == addr2; | |
76 | } | |
77 | ||
fc1b691d AH |
78 | static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir, |
79 | size_t to_dir_sz) | |
80 | { | |
81 | char from[PATH_MAX]; | |
82 | char to[PATH_MAX]; | |
d3b70220 | 83 | char to_subdir[PATH_MAX]; |
fc1b691d AH |
84 | struct dirent *dent; |
85 | int ret = -1; | |
86 | DIR *d; | |
87 | ||
88 | d = opendir(to_dir); | |
89 | if (!d) | |
90 | return -1; | |
91 | ||
92 | scnprintf(from, sizeof(from), "%s/modules", from_dir); | |
93 | ||
94 | while (1) { | |
95 | dent = readdir(d); | |
96 | if (!dent) | |
97 | break; | |
98 | if (dent->d_type != DT_DIR) | |
99 | continue; | |
100 | scnprintf(to, sizeof(to), "%s/%s/modules", to_dir, | |
101 | dent->d_name); | |
d3b70220 AH |
102 | scnprintf(to_subdir, sizeof(to_subdir), "%s/%s", |
103 | to_dir, dent->d_name); | |
104 | if (!compare_proc_modules(from, to) && | |
105 | same_kallsyms_reloc(from_dir, to_subdir)) { | |
106 | strlcpy(to_dir, to_subdir, to_dir_sz); | |
fc1b691d AH |
107 | ret = 0; |
108 | break; | |
109 | } | |
110 | } | |
111 | ||
112 | closedir(d); | |
113 | ||
114 | return ret; | |
115 | } | |
116 | ||
e35f7362 | 117 | static int build_id_cache__add_kcore(const char *filename, bool force) |
fc1b691d | 118 | { |
d77fac7f | 119 | char dir[32], sbuildid[SBUILD_ID_SIZE]; |
fc1b691d AH |
120 | char from_dir[PATH_MAX], to_dir[PATH_MAX]; |
121 | char *p; | |
122 | ||
123 | strlcpy(from_dir, filename, sizeof(from_dir)); | |
124 | ||
125 | p = strrchr(from_dir, '/'); | |
126 | if (!p || strcmp(p + 1, "kcore")) | |
127 | return -1; | |
128 | *p = '\0'; | |
129 | ||
0b5a7935 | 130 | if (build_id_cache__kcore_buildid(from_dir, sbuildid) < 0) |
fc1b691d AH |
131 | return -1; |
132 | ||
0a77582f MH |
133 | scnprintf(to_dir, sizeof(to_dir), "%s/%s/%s", |
134 | buildid_dir, DSO__NAME_KCORE, sbuildid); | |
fc1b691d | 135 | |
5173fbb8 AH |
136 | if (!force && |
137 | !build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) { | |
fc1b691d AH |
138 | pr_debug("same kcore found in %s\n", to_dir); |
139 | return 0; | |
140 | } | |
141 | ||
142 | if (build_id_cache__kcore_dir(dir, sizeof(dir))) | |
143 | return -1; | |
144 | ||
0a77582f MH |
145 | scnprintf(to_dir, sizeof(to_dir), "%s/%s/%s/%s", |
146 | buildid_dir, DSO__NAME_KCORE, sbuildid, dir); | |
fc1b691d AH |
147 | |
148 | if (mkdir_p(to_dir, 0755)) | |
149 | return -1; | |
150 | ||
151 | if (kcore_copy(from_dir, to_dir)) { | |
152 | /* Remove YYYYmmddHHMMSShh directory */ | |
153 | if (!rmdir(to_dir)) { | |
154 | p = strrchr(to_dir, '/'); | |
155 | if (p) | |
156 | *p = '\0'; | |
157 | /* Try to remove buildid directory */ | |
158 | if (!rmdir(to_dir)) { | |
159 | p = strrchr(to_dir, '/'); | |
160 | if (p) | |
161 | *p = '\0'; | |
162 | /* Try to remove [kernel.kcore] directory */ | |
163 | rmdir(to_dir); | |
164 | } | |
165 | } | |
166 | return -1; | |
167 | } | |
168 | ||
169 | pr_debug("kcore added to build-id cache directory %s\n", to_dir); | |
170 | ||
171 | return 0; | |
172 | } | |
173 | ||
f045b8c4 | 174 | static int build_id_cache__add_file(const char *filename, struct nsinfo *nsi) |
ef12a141 | 175 | { |
d77fac7f | 176 | char sbuild_id[SBUILD_ID_SIZE]; |
ef12a141 ACM |
177 | u8 build_id[BUILD_ID_SIZE]; |
178 | int err; | |
f045b8c4 | 179 | struct nscookie nsc; |
ef12a141 | 180 | |
f045b8c4 KJ |
181 | nsinfo__mountns_enter(nsi, &nsc); |
182 | err = filename__read_build_id(filename, &build_id, sizeof(build_id)); | |
183 | nsinfo__mountns_exit(&nsc); | |
184 | if (err < 0) { | |
ef12a141 ACM |
185 | pr_debug("Couldn't read a build-id in %s\n", filename); |
186 | return -1; | |
187 | } | |
188 | ||
189 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
f045b8c4 | 190 | err = build_id_cache__add_s(sbuild_id, filename, nsi, |
7dbf4dcf | 191 | false, false); |
cc169c7c MH |
192 | pr_debug("Adding %s %s: %s\n", sbuild_id, filename, |
193 | err ? "FAIL" : "Ok"); | |
ef12a141 ACM |
194 | return err; |
195 | } | |
196 | ||
f045b8c4 | 197 | static int build_id_cache__remove_file(const char *filename, struct nsinfo *nsi) |
ef12a141 ACM |
198 | { |
199 | u8 build_id[BUILD_ID_SIZE]; | |
d77fac7f | 200 | char sbuild_id[SBUILD_ID_SIZE]; |
f045b8c4 | 201 | struct nscookie nsc; |
ef12a141 ACM |
202 | |
203 | int err; | |
204 | ||
f045b8c4 KJ |
205 | nsinfo__mountns_enter(nsi, &nsc); |
206 | err = filename__read_build_id(filename, &build_id, sizeof(build_id)); | |
207 | nsinfo__mountns_exit(&nsc); | |
208 | if (err < 0) { | |
ef12a141 ACM |
209 | pr_debug("Couldn't read a build-id in %s\n", filename); |
210 | return -1; | |
211 | } | |
212 | ||
213 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
e35f7362 | 214 | err = build_id_cache__remove_s(sbuild_id); |
cc169c7c MH |
215 | pr_debug("Removing %s %s: %s\n", sbuild_id, filename, |
216 | err ? "FAIL" : "Ok"); | |
ef12a141 ACM |
217 | |
218 | return err; | |
219 | } | |
220 | ||
f045b8c4 | 221 | static int build_id_cache__purge_path(const char *pathname, struct nsinfo *nsi) |
8d8c8e4c MH |
222 | { |
223 | struct strlist *list; | |
224 | struct str_node *pos; | |
225 | int err; | |
226 | ||
f045b8c4 | 227 | err = build_id_cache__list_build_ids(pathname, nsi, &list); |
8d8c8e4c MH |
228 | if (err) |
229 | goto out; | |
230 | ||
602a1f4d | 231 | strlist__for_each_entry(pos, list) { |
8d8c8e4c | 232 | err = build_id_cache__remove_s(pos->s); |
cc169c7c MH |
233 | pr_debug("Removing %s %s: %s\n", pos->s, pathname, |
234 | err ? "FAIL" : "Ok"); | |
8d8c8e4c MH |
235 | if (err) |
236 | break; | |
237 | } | |
238 | strlist__delete(list); | |
239 | ||
240 | out: | |
cc169c7c | 241 | pr_debug("Purging %s: %s\n", pathname, err ? "FAIL" : "Ok"); |
8d8c8e4c MH |
242 | |
243 | return err; | |
244 | } | |
245 | ||
9a73c308 RB |
246 | static int build_id_cache__purge_all(void) |
247 | { | |
248 | struct strlist *list; | |
249 | struct str_node *pos; | |
250 | int err = 0; | |
251 | char *buf; | |
252 | ||
253 | list = build_id_cache__list_all(false); | |
254 | if (!list) { | |
255 | pr_debug("Failed to get buildids: -%d\n", errno); | |
256 | return -EINVAL; | |
257 | } | |
258 | ||
259 | strlist__for_each_entry(pos, list) { | |
260 | buf = build_id_cache__origname(pos->s); | |
261 | err = build_id_cache__remove_s(pos->s); | |
262 | pr_debug("Removing %s (%s): %s\n", buf, pos->s, | |
263 | err ? "FAIL" : "Ok"); | |
264 | free(buf); | |
265 | if (err) | |
266 | break; | |
267 | } | |
268 | strlist__delete(list); | |
269 | ||
270 | pr_debug("Purged all: %s\n", err ? "FAIL" : "Ok"); | |
271 | return err; | |
272 | } | |
273 | ||
fbb6976c ACM |
274 | static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused) |
275 | { | |
276 | char filename[PATH_MAX]; | |
277 | u8 build_id[BUILD_ID_SIZE]; | |
278 | ||
d2396999 | 279 | if (dso__build_id_filename(dso, filename, sizeof(filename), false) && |
fbb6976c ACM |
280 | filename__read_build_id(filename, build_id, |
281 | sizeof(build_id)) != sizeof(build_id)) { | |
282 | if (errno == ENOENT) | |
283 | return false; | |
284 | ||
48000a1a | 285 | pr_warning("Problems with %s file, consider removing it from the cache\n", |
fbb6976c ACM |
286 | filename); |
287 | } else if (memcmp(dso->build_id, build_id, sizeof(dso->build_id))) { | |
48000a1a | 288 | pr_warning("Problems with %s file, consider removing it from the cache\n", |
fbb6976c ACM |
289 | filename); |
290 | } | |
291 | ||
292 | return true; | |
293 | } | |
294 | ||
e3ed75bb | 295 | static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *fp) |
fbb6976c | 296 | { |
fbb6976c | 297 | perf_session__fprintf_dsos_buildid(session, fp, dso__missing_buildid_cache, 0); |
fbb6976c ACM |
298 | return 0; |
299 | } | |
300 | ||
f045b8c4 | 301 | static int build_id_cache__update_file(const char *filename, struct nsinfo *nsi) |
eeb49845 NK |
302 | { |
303 | u8 build_id[BUILD_ID_SIZE]; | |
d77fac7f | 304 | char sbuild_id[SBUILD_ID_SIZE]; |
f045b8c4 | 305 | struct nscookie nsc; |
eeb49845 | 306 | |
f045b8c4 | 307 | int err; |
eeb49845 | 308 | |
f045b8c4 KJ |
309 | nsinfo__mountns_enter(nsi, &nsc); |
310 | err = filename__read_build_id(filename, &build_id, sizeof(build_id)); | |
311 | nsinfo__mountns_exit(&nsc); | |
312 | if (err < 0) { | |
eeb49845 NK |
313 | pr_debug("Couldn't read a build-id in %s\n", filename); |
314 | return -1; | |
315 | } | |
f045b8c4 | 316 | err = 0; |
eeb49845 NK |
317 | |
318 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
a50d11a1 MH |
319 | if (build_id_cache__cached(sbuild_id)) |
320 | err = build_id_cache__remove_s(sbuild_id); | |
321 | ||
e35f7362 | 322 | if (!err) |
f045b8c4 KJ |
323 | err = build_id_cache__add_s(sbuild_id, filename, nsi, false, |
324 | false); | |
e35f7362 | 325 | |
cc169c7c MH |
326 | pr_debug("Updating %s %s: %s\n", sbuild_id, filename, |
327 | err ? "FAIL" : "Ok"); | |
eeb49845 NK |
328 | |
329 | return err; | |
330 | } | |
331 | ||
8e1e0d74 RB |
332 | static int build_id_cache__show_all(void) |
333 | { | |
334 | struct strlist *bidlist; | |
335 | struct str_node *nd; | |
336 | char *buf; | |
337 | ||
338 | bidlist = build_id_cache__list_all(true); | |
339 | if (!bidlist) { | |
340 | pr_debug("Failed to get buildids: -%d\n", errno); | |
341 | return -1; | |
342 | } | |
343 | strlist__for_each_entry(nd, bidlist) { | |
344 | buf = build_id_cache__origname(nd->s); | |
345 | fprintf(stdout, "%s %s\n", nd->s, buf); | |
346 | free(buf); | |
347 | } | |
348 | strlist__delete(bidlist); | |
349 | return 0; | |
350 | } | |
351 | ||
b0ad8ea6 | 352 | int cmd_buildid_cache(int argc, const char **argv) |
ef12a141 ACM |
353 | { |
354 | struct strlist *list; | |
355 | struct str_node *pos; | |
fbb6976c | 356 | int ret = 0; |
f045b8c4 | 357 | int ns_id = -1; |
fbb6976c | 358 | bool force = false; |
8e1e0d74 RB |
359 | bool list_files = false; |
360 | bool opts_flag = false; | |
9a73c308 | 361 | bool purge_all = false; |
472cc83c | 362 | char const *add_name_list_str = NULL, |
fbb6976c | 363 | *remove_name_list_str = NULL, |
8d8c8e4c | 364 | *purge_name_list_str = NULL, |
eeb49845 | 365 | *missing_filename = NULL, |
fc1b691d | 366 | *update_name_list_str = NULL, |
eec5a688 | 367 | *kcore_filename = NULL; |
340481ad | 368 | char sbuf[STRERR_BUFSIZE]; |
eeb49845 | 369 | |
8ceb41d7 | 370 | struct perf_data data = { |
e3ed75bb NK |
371 | .mode = PERF_DATA_MODE_READ, |
372 | }; | |
373 | struct perf_session *session = NULL; | |
f045b8c4 | 374 | struct nsinfo *nsi = NULL; |
e3ed75bb | 375 | |
472cc83c ACM |
376 | const struct option buildid_cache_options[] = { |
377 | OPT_STRING('a', "add", &add_name_list_str, | |
378 | "file list", "file(s) to add"), | |
fc1b691d AH |
379 | OPT_STRING('k', "kcore", &kcore_filename, |
380 | "file", "kcore file to add"), | |
472cc83c ACM |
381 | OPT_STRING('r', "remove", &remove_name_list_str, "file list", |
382 | "file(s) to remove"), | |
4359dd88 TMR |
383 | OPT_STRING('p', "purge", &purge_name_list_str, "file list", |
384 | "file(s) to remove (remove old caches too)"), | |
9a73c308 | 385 | OPT_BOOLEAN('P', "purge-all", &purge_all, "purge all cached files"), |
8e1e0d74 | 386 | OPT_BOOLEAN('l', "list", &list_files, "list all cached files"), |
fbb6976c ACM |
387 | OPT_STRING('M', "missing", &missing_filename, "file", |
388 | "to find missing build ids in the cache"), | |
389 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
eeb49845 NK |
390 | OPT_STRING('u', "update", &update_name_list_str, "file list", |
391 | "file(s) to update"), | |
472cc83c | 392 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
f045b8c4 | 393 | OPT_INTEGER(0, "target-ns", &ns_id, "target pid for namespace context"), |
472cc83c ACM |
394 | OPT_END() |
395 | }; | |
396 | const char * const buildid_cache_usage[] = { | |
397 | "perf buildid-cache [<options>]", | |
398 | NULL | |
399 | }; | |
400 | ||
401 | argc = parse_options(argc, argv, buildid_cache_options, | |
402 | buildid_cache_usage, 0); | |
403 | ||
8e1e0d74 RB |
404 | opts_flag = add_name_list_str || kcore_filename || |
405 | remove_name_list_str || purge_name_list_str || | |
9a73c308 RB |
406 | missing_filename || update_name_list_str || |
407 | purge_all; | |
8e1e0d74 RB |
408 | |
409 | if (argc || !(list_files || opts_flag)) | |
0497d0a8 MH |
410 | usage_with_options(buildid_cache_usage, buildid_cache_options); |
411 | ||
8e1e0d74 RB |
412 | /* -l is exclusive. It can not be used with other options. */ |
413 | if (list_files && opts_flag) { | |
414 | usage_with_options_msg(buildid_cache_usage, | |
415 | buildid_cache_options, "-l is exclusive.\n"); | |
416 | } | |
417 | ||
f045b8c4 KJ |
418 | if (ns_id > 0) |
419 | nsi = nsinfo__new(ns_id); | |
420 | ||
e3ed75bb | 421 | if (missing_filename) { |
2d4f2799 JO |
422 | data.path = missing_filename; |
423 | data.force = force; | |
e3ed75bb | 424 | |
8ceb41d7 | 425 | session = perf_session__new(&data, false, NULL); |
6ef81c55 MI |
426 | if (IS_ERR(session)) |
427 | return PTR_ERR(session); | |
e3ed75bb NK |
428 | } |
429 | ||
0a7e6d1b | 430 | if (symbol__init(session ? &session->header.env : NULL) < 0) |
e3ed75bb | 431 | goto out; |
472cc83c ACM |
432 | |
433 | setup_pager(); | |
ef12a141 | 434 | |
8e1e0d74 RB |
435 | if (list_files) { |
436 | ret = build_id_cache__show_all(); | |
437 | goto out; | |
438 | } | |
439 | ||
ef12a141 | 440 | if (add_name_list_str) { |
4a77e218 | 441 | list = strlist__new(add_name_list_str, NULL); |
ef12a141 | 442 | if (list) { |
602a1f4d | 443 | strlist__for_each_entry(pos, list) |
f045b8c4 | 444 | if (build_id_cache__add_file(pos->s, nsi)) { |
ef12a141 ACM |
445 | if (errno == EEXIST) { |
446 | pr_debug("%s already in the cache\n", | |
447 | pos->s); | |
448 | continue; | |
449 | } | |
450 | pr_warning("Couldn't add %s: %s\n", | |
c8b5f2c9 | 451 | pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); |
ef12a141 ACM |
452 | } |
453 | ||
454 | strlist__delete(list); | |
455 | } | |
456 | } | |
457 | ||
458 | if (remove_name_list_str) { | |
4a77e218 | 459 | list = strlist__new(remove_name_list_str, NULL); |
ef12a141 | 460 | if (list) { |
602a1f4d | 461 | strlist__for_each_entry(pos, list) |
f045b8c4 | 462 | if (build_id_cache__remove_file(pos->s, nsi)) { |
ef12a141 ACM |
463 | if (errno == ENOENT) { |
464 | pr_debug("%s wasn't in the cache\n", | |
465 | pos->s); | |
466 | continue; | |
467 | } | |
468 | pr_warning("Couldn't remove %s: %s\n", | |
c8b5f2c9 | 469 | pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); |
ef12a141 ACM |
470 | } |
471 | ||
472 | strlist__delete(list); | |
473 | } | |
474 | } | |
475 | ||
8d8c8e4c | 476 | if (purge_name_list_str) { |
4a77e218 | 477 | list = strlist__new(purge_name_list_str, NULL); |
8d8c8e4c | 478 | if (list) { |
602a1f4d | 479 | strlist__for_each_entry(pos, list) |
f045b8c4 | 480 | if (build_id_cache__purge_path(pos->s, nsi)) { |
8d8c8e4c MH |
481 | if (errno == ENOENT) { |
482 | pr_debug("%s wasn't in the cache\n", | |
483 | pos->s); | |
484 | continue; | |
485 | } | |
486 | pr_warning("Couldn't remove %s: %s\n", | |
c8b5f2c9 | 487 | pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); |
8d8c8e4c MH |
488 | } |
489 | ||
490 | strlist__delete(list); | |
491 | } | |
492 | } | |
493 | ||
d8ed87bc RB |
494 | if (purge_all) { |
495 | if (build_id_cache__purge_all()) { | |
496 | pr_warning("Couldn't remove some caches. Error: %s.\n", | |
497 | str_error_r(errno, sbuf, sizeof(sbuf))); | |
498 | } | |
499 | } | |
9a73c308 | 500 | |
fbb6976c | 501 | if (missing_filename) |
e3ed75bb | 502 | ret = build_id_cache__fprintf_missing(session, stdout); |
fbb6976c | 503 | |
eeb49845 | 504 | if (update_name_list_str) { |
4a77e218 | 505 | list = strlist__new(update_name_list_str, NULL); |
eeb49845 | 506 | if (list) { |
602a1f4d | 507 | strlist__for_each_entry(pos, list) |
f045b8c4 | 508 | if (build_id_cache__update_file(pos->s, nsi)) { |
eeb49845 NK |
509 | if (errno == ENOENT) { |
510 | pr_debug("%s wasn't in the cache\n", | |
511 | pos->s); | |
512 | continue; | |
513 | } | |
514 | pr_warning("Couldn't update %s: %s\n", | |
c8b5f2c9 | 515 | pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); |
eeb49845 NK |
516 | } |
517 | ||
518 | strlist__delete(list); | |
519 | } | |
520 | } | |
521 | ||
e35f7362 | 522 | if (kcore_filename && build_id_cache__add_kcore(kcore_filename, force)) |
fc1b691d AH |
523 | pr_warning("Couldn't add %s\n", kcore_filename); |
524 | ||
e3ed75bb | 525 | out: |
e1446551 | 526 | perf_session__delete(session); |
f045b8c4 | 527 | nsinfo__zput(nsi); |
e3ed75bb | 528 | |
fbb6976c | 529 | return ret; |
ef12a141 | 530 | } |