1 // SPDX-License-Identifier: GPL-2.0
3  * builtin-buildid-cache.c
5  * Builtin buildid-cache command: Manages build-id cache
21 #include <subcmd/parse-options.h>
23 #include "util/build-id.h"
27 #include "util/time-utils.h"
29 #include "util/probe-file.h"
43 		return -1;  in build_id_cache__kcore_buildid()
59 	int i, err = -1;  in same_kallsyms_reloc()
86 	int ret = -1;  in build_id_cache__kcore_existing()
87 	DIR *d;  in build_id_cache__kcore_existing()  local
89 	d = opendir(to_dir);  in build_id_cache__kcore_existing()
90 	if (!d)  in build_id_cache__kcore_existing()
91 		return -1;  in build_id_cache__kcore_existing()
96 		dent = readdir(d);  in build_id_cache__kcore_existing()
99 		if (dent->d_type != DT_DIR)  in build_id_cache__kcore_existing()
102 			  dent->d_name);  in build_id_cache__kcore_existing()
104 			  to_dir, dent->d_name);  in build_id_cache__kcore_existing()
113 	closedir(d);  in build_id_cache__kcore_existing()
128 		return -1;  in build_id_cache__add_kcore()
132 		return -1;  in build_id_cache__add_kcore()
144 		return -1;  in build_id_cache__add_kcore()
150 		return -1;  in build_id_cache__add_kcore()
167 		return -1;  in build_id_cache__add_kcore()
170 	pr_debug("kcore added to build-id cache directory %s\n", to_dir);  in build_id_cache__add_kcore()
178 	struct build_id bid = { .size = 0, };  in build_id_cache__add_file()
183 	err = filename__read_build_id(filename, &bid, /*block=*/true);  in build_id_cache__add_file()
186 		pr_debug("Couldn't read a build-id in %s\n", filename);  in build_id_cache__add_file()
187 		return -1;  in build_id_cache__add_file()
201 	struct build_id bid = { .size = 0, };  in build_id_cache__remove_file()
207 	err = filename__read_build_id(filename, &bid, /*block=*/true);  in build_id_cache__remove_file()
210 		pr_debug("Couldn't read a build-id in %s\n", filename);  in build_id_cache__remove_file()
211 		return -1;  in build_id_cache__remove_file()
233 		err = build_id_cache__remove_s(pos->s);  in build_id_cache__purge_path()
234 		pr_debug("Removing %s %s: %s\n", pos->s, pathname,  in build_id_cache__purge_path()
256 		pr_debug("Failed to get buildids: -%d\n", errno);  in build_id_cache__purge_all()
257 		return -EINVAL;  in build_id_cache__purge_all()
261 		buf = build_id_cache__origname(pos->s);  in build_id_cache__purge_all()
262 		err = build_id_cache__remove_s(pos->s);  in build_id_cache__purge_all()
263 		pr_debug("Removing %s (%s): %s\n", buf, pos->s,  in build_id_cache__purge_all()
278 	struct build_id bid = { .size = 0, };  in dso__missing_buildid_cache()
283 	if (filename__read_build_id(filename, &bid, /*block=*/true) == -1) {  in dso__missing_buildid_cache()
287 		pr_warning("Problems with %s file, consider removing it from the cache\n",  in dso__missing_buildid_cache()
289 	} else if (memcmp(dso__bid(dso)->data, bid.data, bid.size)) {  in dso__missing_buildid_cache()
290 		pr_warning("Problems with %s file, consider removing it from the cache\n",  in dso__missing_buildid_cache()
306 	struct build_id bid = { .size = 0, };  in build_id_cache__update_file()
312 	err = filename__read_build_id(filename, &bid, /*block=*/true);  in build_id_cache__update_file()
315 		pr_debug("Couldn't read a build-id in %s\n", filename);  in build_id_cache__update_file()
316 		return -1;  in build_id_cache__update_file()
342 		pr_debug("Failed to get buildids: -%d\n", errno);  in build_id_cache__show_all()
343 		return -1;  in build_id_cache__show_all()
346 		buf = build_id_cache__origname(nd->s);  in build_id_cache__show_all()
347 		fprintf(stdout, "%s %s\n", nd->s, buf);  in build_id_cache__show_all()
358 	if (!strcmp(var, "buildid-cache.debuginfod")) {  in perf_buildid_cache_config()
359 		di->urls = strdup(value);  in perf_buildid_cache_config()
360 		if (!di->urls)  in perf_buildid_cache_config()
361 			return -ENOMEM;  in perf_buildid_cache_config()
362 		di->set = true;  in perf_buildid_cache_config()
372 	int ret, ns_id = -1;  in cmd_buildid_cache()
401 	OPT_BOOLEAN('P', "purge-all", &purge_all, "purge all cached files"),  in cmd_buildid_cache()
404 		   "to find missing build ids in the cache"),  in cmd_buildid_cache()
413 	OPT_INTEGER(0, "target-ns", &ns_id, "target pid for namespace context"),  in cmd_buildid_cache()
417 		"perf buildid-cache [<options>]",  in cmd_buildid_cache()
438 	/* -l is exclusive. It can not be used with other options. */  in cmd_buildid_cache()
441 			buildid_cache_options, "-l is exclusive.\n");  in cmd_buildid_cache()
470 				if (build_id_cache__add_file(pos->s, nsi)) {  in cmd_buildid_cache()
472 						pr_debug("%s already in the cache\n",  in cmd_buildid_cache()
473 							 pos->s);  in cmd_buildid_cache()
477 						   pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));  in cmd_buildid_cache()
488 				if (build_id_cache__remove_file(pos->s, nsi)) {  in cmd_buildid_cache()
490 						pr_debug("%s wasn't in the cache\n",  in cmd_buildid_cache()
491 							 pos->s);  in cmd_buildid_cache()
495 						   pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));  in cmd_buildid_cache()
506 				if (build_id_cache__purge_path(pos->s, nsi)) {  in cmd_buildid_cache()
508 						pr_debug("%s wasn't in the cache\n",  in cmd_buildid_cache()
509 							 pos->s);  in cmd_buildid_cache()
513 						   pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));  in cmd_buildid_cache()
534 				if (build_id_cache__update_file(pos->s, nsi)) {  in cmd_buildid_cache()
536 						pr_debug("%s wasn't in the cache\n",  in cmd_buildid_cache()
537 							 pos->s);  in cmd_buildid_cache()
541 						   pos->s, str_error_r(errno, sbuf, sizeof(sbuf)));  in cmd_buildid_cache()