/* * builtin-buildid-cache.c * * Builtin buildid-cache command: Manages build-id cache * * Copyright (C) 2010, Red Hat Inc. * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com> */ #include "builtin.h" #include "perf.h" #include "util/cache.h" #include "util/debug.h" #include "util/header.h" #include "util/parse-options.h" #include "util/strlist.h" #include "util/symbol.h" static char const *add_name_list_str, *remove_name_list_str; static const char * const buildid_cache_usage[] = { "perf buildid-cache [<options>]", NULL }; static const struct option buildid_cache_options[] = { OPT_STRING('a', "add", &add_name_list_str, "file list", "file(s) to add"), OPT_STRING('r', "remove", &remove_name_list_str, "file list", "file(s) to remove"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose"), OPT_END() }; static int build_id_cache__add_file(const char *filename, const char *debugdir) { char sbuild_id[BUILD_ID_SIZE * 2 + 1]; u8 build_id[BUILD_ID_SIZE]; int err; if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) { pr_debug("Couldn't read a build-id in %s\n", filename); return -1; } build_id__sprintf(build_id, sizeof(build_id), sbuild_id); err = build_id_cache__add_s(sbuild_id, debugdir, filename, false); if (verbose) pr_info("Adding %s %s: %s\n", sbuild_id, filename, err ? "FAIL" : "Ok"); return err; } static int build_id_cache__remove_file(const char *filename __used, const char *debugdir __used) { u8 build_id[BUILD_ID_SIZE]; char sbuild_id[BUILD_ID_SIZE * 2 + 1]; int err; if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) { pr_debug("Couldn't read a build-id in %s\n", filename); return -1; } build_id__sprintf(build_id, sizeof(build_id), sbuild_id); err = build_id_cache__remove_s(sbuild_id, debugdir); if (verbose) pr_info("Removing %s %s: %s\n", sbuild_id, filename, err ? "FAIL" : "Ok"); return err; } static int __cmd_buildid_cache(void) { struct strlist *list; struct str_node *pos; char debugdir[PATH_MAX]; snprintf(debugdir, sizeof(debugdir), "%s/%s", getenv("HOME"), DEBUG_CACHE_DIR); if (add_name_list_str) { list = strlist__new(true, add_name_list_str); if (list) { strlist__for_each(pos, list) if (build_id_cache__add_file(pos->s, debugdir)) { if (errno == EEXIST) { pr_debug("%s already in the cache\n", pos->s); continue; } pr_warning("Couldn't add %s: %s\n", pos->s, strerror(errno)); } strlist__delete(list); } } if (remove_name_list_str) { list = strlist__new(true, remove_name_list_str); if (list) { strlist__for_each(pos, list) if (build_id_cache__remove_file(pos->s, debugdir)) { if (errno == ENOENT) { pr_debug("%s wasn't in the cache\n", pos->s); continue; } pr_warning("Couldn't remove %s: %s\n", pos->s, strerror(errno)); } strlist__delete(list); } } return 0; } int cmd_buildid_cache(int argc, const char **argv, const char *prefix __used) { argc = parse_options(argc, argv, buildid_cache_options, buildid_cache_usage, 0); if (symbol__init() < 0) return -1; setup_pager(); return __cmd_buildid_cache(); }