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1/*
2 * builtin-buildid-cache.c
3 *
4 * Builtin buildid-cache command: Manages build-id cache
5 *
6 * Copyright (C) 2010, Red Hat Inc.
7 * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com>
8 */
9#include <sys/types.h>
10#include <sys/time.h>
11#include <time.h>
12#include <dirent.h>
13#include <unistd.h>
14#include "builtin.h"
15#include "perf.h"
16#include "util/cache.h"
17#include "util/debug.h"
18#include "util/header.h"
19#include "util/parse-options.h"
20#include "util/strlist.h"
21#include "util/build-id.h"
22#include "util/session.h"
23#include "util/symbol.h"
24
25static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
26{
27 char root_dir[PATH_MAX];
28 char notes[PATH_MAX];
29 u8 build_id[BUILD_ID_SIZE];
30 char *p;
31
32 strlcpy(root_dir, proc_dir, sizeof(root_dir));
33
34 p = strrchr(root_dir, '/');
35 if (!p)
36 return -1;
37 *p = '\0';
38
39 scnprintf(notes, sizeof(notes), "%s/sys/kernel/notes", root_dir);
40
41 if (sysfs__read_build_id(notes, build_id, sizeof(build_id)))
42 return -1;
43
44 build_id__sprintf(build_id, sizeof(build_id), sbuildid);
45
46 return 0;
47}
48
49static int build_id_cache__kcore_dir(char *dir, size_t sz)
50{
51 struct timeval tv;
52 struct tm tm;
53 char dt[32];
54
55 if (gettimeofday(&tv, NULL) || !localtime_r(&tv.tv_sec, &tm))
56 return -1;
57
58 if (!strftime(dt, sizeof(dt), "%Y%m%d%H%M%S", &tm))
59 return -1;
60
61 scnprintf(dir, sz, "%s%02u", dt, (unsigned)tv.tv_usec / 10000);
62
63 return 0;
64}
65
66static bool same_kallsyms_reloc(const char *from_dir, char *to_dir)
67{
68 char from[PATH_MAX];
69 char to[PATH_MAX];
70 const char *name;
71 u64 addr1 = 0, addr2 = 0;
72 int i;
73
74 scnprintf(from, sizeof(from), "%s/kallsyms", from_dir);
75 scnprintf(to, sizeof(to), "%s/kallsyms", to_dir);
76
77 for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
78 addr1 = kallsyms__get_function_start(from, name);
79 if (addr1)
80 break;
81 }
82
83 if (name)
84 addr2 = kallsyms__get_function_start(to, name);
85
86 return addr1 == addr2;
87}
88
89static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
90 size_t to_dir_sz)
91{
92 char from[PATH_MAX];
93 char to[PATH_MAX];
94 char to_subdir[PATH_MAX];
95 struct dirent *dent;
96 int ret = -1;
97 DIR *d;
98
99 d = opendir(to_dir);
100 if (!d)
101 return -1;
102
103 scnprintf(from, sizeof(from), "%s/modules", from_dir);
104
105 while (1) {
106 dent = readdir(d);
107 if (!dent)
108 break;
109 if (dent->d_type != DT_DIR)
110 continue;
111 scnprintf(to, sizeof(to), "%s/%s/modules", to_dir,
112 dent->d_name);
113 scnprintf(to_subdir, sizeof(to_subdir), "%s/%s",
114 to_dir, dent->d_name);
115 if (!compare_proc_modules(from, to) &&
116 same_kallsyms_reloc(from_dir, to_subdir)) {
117 strlcpy(to_dir, to_subdir, to_dir_sz);
118 ret = 0;
119 break;
120 }
121 }
122
123 closedir(d);
124
125 return ret;
126}
127
128static int build_id_cache__add_kcore(const char *filename, const char *debugdir)
129{
130 char dir[32], sbuildid[BUILD_ID_SIZE * 2 + 1];
131 char from_dir[PATH_MAX], to_dir[PATH_MAX];
132 char *p;
133
134 strlcpy(from_dir, filename, sizeof(from_dir));
135
136 p = strrchr(from_dir, '/');
137 if (!p || strcmp(p + 1, "kcore"))
138 return -1;
139 *p = '\0';
140
141 if (build_id_cache__kcore_buildid(from_dir, sbuildid))
142 return -1;
143
144 scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s",
145 debugdir, sbuildid);
146
147 if (!build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) {
148 pr_debug("same kcore found in %s\n", to_dir);
149 return 0;
150 }
151
152 if (build_id_cache__kcore_dir(dir, sizeof(dir)))
153 return -1;
154
155 scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s/%s",
156 debugdir, sbuildid, dir);
157
158 if (mkdir_p(to_dir, 0755))
159 return -1;
160
161 if (kcore_copy(from_dir, to_dir)) {
162 /* Remove YYYYmmddHHMMSShh directory */
163 if (!rmdir(to_dir)) {
164 p = strrchr(to_dir, '/');
165 if (p)
166 *p = '\0';
167 /* Try to remove buildid directory */
168 if (!rmdir(to_dir)) {
169 p = strrchr(to_dir, '/');
170 if (p)
171 *p = '\0';
172 /* Try to remove [kernel.kcore] directory */
173 rmdir(to_dir);
174 }
175 }
176 return -1;
177 }
178
179 pr_debug("kcore added to build-id cache directory %s\n", to_dir);
180
181 return 0;
182}
183
184static int build_id_cache__add_file(const char *filename, const char *debugdir)
185{
186 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
187 u8 build_id[BUILD_ID_SIZE];
188 int err;
189
190 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
191 pr_debug("Couldn't read a build-id in %s\n", filename);
192 return -1;
193 }
194
195 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
196 err = build_id_cache__add_s(sbuild_id, debugdir, filename,
197 false, false);
198 if (verbose)
199 pr_info("Adding %s %s: %s\n", sbuild_id, filename,
200 err ? "FAIL" : "Ok");
201 return err;
202}
203
204static int build_id_cache__remove_file(const char *filename,
205 const char *debugdir)
206{
207 u8 build_id[BUILD_ID_SIZE];
208 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
209
210 int err;
211
212 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
213 pr_debug("Couldn't read a build-id in %s\n", filename);
214 return -1;
215 }
216
217 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
218 err = build_id_cache__remove_s(sbuild_id, debugdir);
219 if (verbose)
220 pr_info("Removing %s %s: %s\n", sbuild_id, filename,
221 err ? "FAIL" : "Ok");
222
223 return err;
224}
225
226static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused)
227{
228 char filename[PATH_MAX];
229 u8 build_id[BUILD_ID_SIZE];
230
231 if (dso__build_id_filename(dso, filename, sizeof(filename)) &&
232 filename__read_build_id(filename, build_id,
233 sizeof(build_id)) != sizeof(build_id)) {
234 if (errno == ENOENT)
235 return false;
236
237 pr_warning("Problems with %s file, consider removing it from the cache\n",
238 filename);
239 } else if (memcmp(dso->build_id, build_id, sizeof(dso->build_id))) {
240 pr_warning("Problems with %s file, consider removing it from the cache\n",
241 filename);
242 }
243
244 return true;
245}
246
247static int build_id_cache__fprintf_missing(const char *filename, bool force, FILE *fp)
248{
249 struct perf_data_file file = {
250 .path = filename,
251 .mode = PERF_DATA_MODE_READ,
252 .force = force,
253 };
254 struct perf_session *session = perf_session__new(&file, false, NULL);
255 if (session == NULL)
256 return -1;
257
258 perf_session__fprintf_dsos_buildid(session, fp, dso__missing_buildid_cache, 0);
259 perf_session__delete(session);
260
261 return 0;
262}
263
264static int build_id_cache__update_file(const char *filename,
265 const char *debugdir)
266{
267 u8 build_id[BUILD_ID_SIZE];
268 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
269
270 int err;
271
272 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
273 pr_debug("Couldn't read a build-id in %s\n", filename);
274 return -1;
275 }
276
277 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
278 err = build_id_cache__remove_s(sbuild_id, debugdir);
279 if (!err) {
280 err = build_id_cache__add_s(sbuild_id, debugdir, filename,
281 false, false);
282 }
283 if (verbose)
284 pr_info("Updating %s %s: %s\n", sbuild_id, filename,
285 err ? "FAIL" : "Ok");
286
287 return err;
288}
289
290int cmd_buildid_cache(int argc, const char **argv,
291 const char *prefix __maybe_unused)
292{
293 struct strlist *list;
294 struct str_node *pos;
295 int ret = 0;
296 bool force = false;
297 char debugdir[PATH_MAX];
298 char const *add_name_list_str = NULL,
299 *remove_name_list_str = NULL,
300 *missing_filename = NULL,
301 *update_name_list_str = NULL,
302 *kcore_filename;
303
304 const struct option buildid_cache_options[] = {
305 OPT_STRING('a', "add", &add_name_list_str,
306 "file list", "file(s) to add"),
307 OPT_STRING('k', "kcore", &kcore_filename,
308 "file", "kcore file to add"),
309 OPT_STRING('r', "remove", &remove_name_list_str, "file list",
310 "file(s) to remove"),
311 OPT_STRING('M', "missing", &missing_filename, "file",
312 "to find missing build ids in the cache"),
313 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
314 OPT_STRING('u', "update", &update_name_list_str, "file list",
315 "file(s) to update"),
316 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
317 OPT_END()
318 };
319 const char * const buildid_cache_usage[] = {
320 "perf buildid-cache [<options>]",
321 NULL
322 };
323
324 argc = parse_options(argc, argv, buildid_cache_options,
325 buildid_cache_usage, 0);
326
327 if (symbol__init() < 0)
328 return -1;
329
330 setup_pager();
331
332 snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
333
334 if (add_name_list_str) {
335 list = strlist__new(true, add_name_list_str);
336 if (list) {
337 strlist__for_each(pos, list)
338 if (build_id_cache__add_file(pos->s, debugdir)) {
339 if (errno == EEXIST) {
340 pr_debug("%s already in the cache\n",
341 pos->s);
342 continue;
343 }
344 pr_warning("Couldn't add %s: %s\n",
345 pos->s, strerror(errno));
346 }
347
348 strlist__delete(list);
349 }
350 }
351
352 if (remove_name_list_str) {
353 list = strlist__new(true, remove_name_list_str);
354 if (list) {
355 strlist__for_each(pos, list)
356 if (build_id_cache__remove_file(pos->s, debugdir)) {
357 if (errno == ENOENT) {
358 pr_debug("%s wasn't in the cache\n",
359 pos->s);
360 continue;
361 }
362 pr_warning("Couldn't remove %s: %s\n",
363 pos->s, strerror(errno));
364 }
365
366 strlist__delete(list);
367 }
368 }
369
370 if (missing_filename)
371 ret = build_id_cache__fprintf_missing(missing_filename, force, stdout);
372
373 if (update_name_list_str) {
374 list = strlist__new(true, update_name_list_str);
375 if (list) {
376 strlist__for_each(pos, list)
377 if (build_id_cache__update_file(pos->s, debugdir)) {
378 if (errno == ENOENT) {
379 pr_debug("%s wasn't in the cache\n",
380 pos->s);
381 continue;
382 }
383 pr_warning("Couldn't update %s: %s\n",
384 pos->s, strerror(errno));
385 }
386
387 strlist__delete(list);
388 }
389 }
390
391 if (kcore_filename &&
392 build_id_cache__add_kcore(kcore_filename, debugdir))
393 pr_warning("Couldn't add %s\n", kcore_filename);
394
395 return ret;
396}
1/*
2 * builtin-buildid-cache.c
3 *
4 * Builtin buildid-cache command: Manages build-id cache
5 *
6 * Copyright (C) 2010, Red Hat Inc.
7 * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com>
8 */
9#include <sys/types.h>
10#include <sys/time.h>
11#include <time.h>
12#include <dirent.h>
13#include <unistd.h>
14#include "builtin.h"
15#include "perf.h"
16#include "util/cache.h"
17#include "util/debug.h"
18#include "util/header.h"
19#include <subcmd/parse-options.h>
20#include "util/strlist.h"
21#include "util/build-id.h"
22#include "util/session.h"
23#include "util/symbol.h"
24
25static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid)
26{
27 char root_dir[PATH_MAX];
28 char *p;
29
30 strlcpy(root_dir, proc_dir, sizeof(root_dir));
31
32 p = strrchr(root_dir, '/');
33 if (!p)
34 return -1;
35 *p = '\0';
36 return sysfs__sprintf_build_id(root_dir, sbuildid);
37}
38
39static int build_id_cache__kcore_dir(char *dir, size_t sz)
40{
41 return fetch_current_timestamp(dir, sz);
42}
43
44static bool same_kallsyms_reloc(const char *from_dir, char *to_dir)
45{
46 char from[PATH_MAX];
47 char to[PATH_MAX];
48 const char *name;
49 u64 addr1 = 0, addr2 = 0;
50 int i;
51
52 scnprintf(from, sizeof(from), "%s/kallsyms", from_dir);
53 scnprintf(to, sizeof(to), "%s/kallsyms", to_dir);
54
55 for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
56 addr1 = kallsyms__get_function_start(from, name);
57 if (addr1)
58 break;
59 }
60
61 if (name)
62 addr2 = kallsyms__get_function_start(to, name);
63
64 return addr1 == addr2;
65}
66
67static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
68 size_t to_dir_sz)
69{
70 char from[PATH_MAX];
71 char to[PATH_MAX];
72 char to_subdir[PATH_MAX];
73 struct dirent *dent;
74 int ret = -1;
75 DIR *d;
76
77 d = opendir(to_dir);
78 if (!d)
79 return -1;
80
81 scnprintf(from, sizeof(from), "%s/modules", from_dir);
82
83 while (1) {
84 dent = readdir(d);
85 if (!dent)
86 break;
87 if (dent->d_type != DT_DIR)
88 continue;
89 scnprintf(to, sizeof(to), "%s/%s/modules", to_dir,
90 dent->d_name);
91 scnprintf(to_subdir, sizeof(to_subdir), "%s/%s",
92 to_dir, dent->d_name);
93 if (!compare_proc_modules(from, to) &&
94 same_kallsyms_reloc(from_dir, to_subdir)) {
95 strlcpy(to_dir, to_subdir, to_dir_sz);
96 ret = 0;
97 break;
98 }
99 }
100
101 closedir(d);
102
103 return ret;
104}
105
106static int build_id_cache__add_kcore(const char *filename, bool force)
107{
108 char dir[32], sbuildid[SBUILD_ID_SIZE];
109 char from_dir[PATH_MAX], to_dir[PATH_MAX];
110 char *p;
111
112 strlcpy(from_dir, filename, sizeof(from_dir));
113
114 p = strrchr(from_dir, '/');
115 if (!p || strcmp(p + 1, "kcore"))
116 return -1;
117 *p = '\0';
118
119 if (build_id_cache__kcore_buildid(from_dir, sbuildid) < 0)
120 return -1;
121
122 scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s",
123 buildid_dir, sbuildid);
124
125 if (!force &&
126 !build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) {
127 pr_debug("same kcore found in %s\n", to_dir);
128 return 0;
129 }
130
131 if (build_id_cache__kcore_dir(dir, sizeof(dir)))
132 return -1;
133
134 scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s/%s",
135 buildid_dir, sbuildid, dir);
136
137 if (mkdir_p(to_dir, 0755))
138 return -1;
139
140 if (kcore_copy(from_dir, to_dir)) {
141 /* Remove YYYYmmddHHMMSShh directory */
142 if (!rmdir(to_dir)) {
143 p = strrchr(to_dir, '/');
144 if (p)
145 *p = '\0';
146 /* Try to remove buildid directory */
147 if (!rmdir(to_dir)) {
148 p = strrchr(to_dir, '/');
149 if (p)
150 *p = '\0';
151 /* Try to remove [kernel.kcore] directory */
152 rmdir(to_dir);
153 }
154 }
155 return -1;
156 }
157
158 pr_debug("kcore added to build-id cache directory %s\n", to_dir);
159
160 return 0;
161}
162
163static int build_id_cache__add_file(const char *filename)
164{
165 char sbuild_id[SBUILD_ID_SIZE];
166 u8 build_id[BUILD_ID_SIZE];
167 int err;
168
169 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
170 pr_debug("Couldn't read a build-id in %s\n", filename);
171 return -1;
172 }
173
174 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
175 err = build_id_cache__add_s(sbuild_id, filename,
176 false, false);
177 pr_debug("Adding %s %s: %s\n", sbuild_id, filename,
178 err ? "FAIL" : "Ok");
179 return err;
180}
181
182static int build_id_cache__remove_file(const char *filename)
183{
184 u8 build_id[BUILD_ID_SIZE];
185 char sbuild_id[SBUILD_ID_SIZE];
186
187 int err;
188
189 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
190 pr_debug("Couldn't read a build-id in %s\n", filename);
191 return -1;
192 }
193
194 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
195 err = build_id_cache__remove_s(sbuild_id);
196 pr_debug("Removing %s %s: %s\n", sbuild_id, filename,
197 err ? "FAIL" : "Ok");
198
199 return err;
200}
201
202static int build_id_cache__purge_path(const char *pathname)
203{
204 struct strlist *list;
205 struct str_node *pos;
206 int err;
207
208 err = build_id_cache__list_build_ids(pathname, &list);
209 if (err)
210 goto out;
211
212 strlist__for_each(pos, list) {
213 err = build_id_cache__remove_s(pos->s);
214 pr_debug("Removing %s %s: %s\n", pos->s, pathname,
215 err ? "FAIL" : "Ok");
216 if (err)
217 break;
218 }
219 strlist__delete(list);
220
221out:
222 pr_debug("Purging %s: %s\n", pathname, err ? "FAIL" : "Ok");
223
224 return err;
225}
226
227static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused)
228{
229 char filename[PATH_MAX];
230 u8 build_id[BUILD_ID_SIZE];
231
232 if (dso__build_id_filename(dso, filename, sizeof(filename)) &&
233 filename__read_build_id(filename, build_id,
234 sizeof(build_id)) != sizeof(build_id)) {
235 if (errno == ENOENT)
236 return false;
237
238 pr_warning("Problems with %s file, consider removing it from the cache\n",
239 filename);
240 } else if (memcmp(dso->build_id, build_id, sizeof(dso->build_id))) {
241 pr_warning("Problems with %s file, consider removing it from the cache\n",
242 filename);
243 }
244
245 return true;
246}
247
248static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *fp)
249{
250 perf_session__fprintf_dsos_buildid(session, fp, dso__missing_buildid_cache, 0);
251 return 0;
252}
253
254static int build_id_cache__update_file(const char *filename)
255{
256 u8 build_id[BUILD_ID_SIZE];
257 char sbuild_id[SBUILD_ID_SIZE];
258
259 int err = 0;
260
261 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
262 pr_debug("Couldn't read a build-id in %s\n", filename);
263 return -1;
264 }
265
266 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
267 if (build_id_cache__cached(sbuild_id))
268 err = build_id_cache__remove_s(sbuild_id);
269
270 if (!err)
271 err = build_id_cache__add_s(sbuild_id, filename, false, false);
272
273 pr_debug("Updating %s %s: %s\n", sbuild_id, filename,
274 err ? "FAIL" : "Ok");
275
276 return err;
277}
278
279int cmd_buildid_cache(int argc, const char **argv,
280 const char *prefix __maybe_unused)
281{
282 struct strlist *list;
283 struct str_node *pos;
284 int ret = 0;
285 bool force = false;
286 char const *add_name_list_str = NULL,
287 *remove_name_list_str = NULL,
288 *purge_name_list_str = NULL,
289 *missing_filename = NULL,
290 *update_name_list_str = NULL,
291 *kcore_filename = NULL;
292 char sbuf[STRERR_BUFSIZE];
293
294 struct perf_data_file file = {
295 .mode = PERF_DATA_MODE_READ,
296 };
297 struct perf_session *session = NULL;
298
299 const struct option buildid_cache_options[] = {
300 OPT_STRING('a', "add", &add_name_list_str,
301 "file list", "file(s) to add"),
302 OPT_STRING('k', "kcore", &kcore_filename,
303 "file", "kcore file to add"),
304 OPT_STRING('r', "remove", &remove_name_list_str, "file list",
305 "file(s) to remove"),
306 OPT_STRING('p', "purge", &purge_name_list_str, "path list",
307 "path(s) to remove (remove old caches too)"),
308 OPT_STRING('M', "missing", &missing_filename, "file",
309 "to find missing build ids in the cache"),
310 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
311 OPT_STRING('u', "update", &update_name_list_str, "file list",
312 "file(s) to update"),
313 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
314 OPT_END()
315 };
316 const char * const buildid_cache_usage[] = {
317 "perf buildid-cache [<options>]",
318 NULL
319 };
320
321 argc = parse_options(argc, argv, buildid_cache_options,
322 buildid_cache_usage, 0);
323
324 if (argc || (!add_name_list_str && !kcore_filename &&
325 !remove_name_list_str && !purge_name_list_str &&
326 !missing_filename && !update_name_list_str))
327 usage_with_options(buildid_cache_usage, buildid_cache_options);
328
329 if (missing_filename) {
330 file.path = missing_filename;
331 file.force = force;
332
333 session = perf_session__new(&file, false, NULL);
334 if (session == NULL)
335 return -1;
336 }
337
338 if (symbol__init(session ? &session->header.env : NULL) < 0)
339 goto out;
340
341 setup_pager();
342
343 if (add_name_list_str) {
344 list = strlist__new(add_name_list_str, NULL);
345 if (list) {
346 strlist__for_each(pos, list)
347 if (build_id_cache__add_file(pos->s)) {
348 if (errno == EEXIST) {
349 pr_debug("%s already in the cache\n",
350 pos->s);
351 continue;
352 }
353 pr_warning("Couldn't add %s: %s\n",
354 pos->s, strerror_r(errno, sbuf, sizeof(sbuf)));
355 }
356
357 strlist__delete(list);
358 }
359 }
360
361 if (remove_name_list_str) {
362 list = strlist__new(remove_name_list_str, NULL);
363 if (list) {
364 strlist__for_each(pos, list)
365 if (build_id_cache__remove_file(pos->s)) {
366 if (errno == ENOENT) {
367 pr_debug("%s wasn't in the cache\n",
368 pos->s);
369 continue;
370 }
371 pr_warning("Couldn't remove %s: %s\n",
372 pos->s, strerror_r(errno, sbuf, sizeof(sbuf)));
373 }
374
375 strlist__delete(list);
376 }
377 }
378
379 if (purge_name_list_str) {
380 list = strlist__new(purge_name_list_str, NULL);
381 if (list) {
382 strlist__for_each(pos, list)
383 if (build_id_cache__purge_path(pos->s)) {
384 if (errno == ENOENT) {
385 pr_debug("%s wasn't in the cache\n",
386 pos->s);
387 continue;
388 }
389 pr_warning("Couldn't remove %s: %s\n",
390 pos->s, strerror_r(errno, sbuf, sizeof(sbuf)));
391 }
392
393 strlist__delete(list);
394 }
395 }
396
397 if (missing_filename)
398 ret = build_id_cache__fprintf_missing(session, stdout);
399
400 if (update_name_list_str) {
401 list = strlist__new(update_name_list_str, NULL);
402 if (list) {
403 strlist__for_each(pos, list)
404 if (build_id_cache__update_file(pos->s)) {
405 if (errno == ENOENT) {
406 pr_debug("%s wasn't in the cache\n",
407 pos->s);
408 continue;
409 }
410 pr_warning("Couldn't update %s: %s\n",
411 pos->s, strerror_r(errno, sbuf, sizeof(sbuf)));
412 }
413
414 strlist__delete(list);
415 }
416 }
417
418 if (kcore_filename && build_id_cache__add_kcore(kcore_filename, force))
419 pr_warning("Couldn't add %s\n", kcore_filename);
420
421out:
422 if (session)
423 perf_session__delete(session);
424
425 return ret;
426}