2 * builtin-buildid-cache.c
4 * Builtin buildid-cache command: Manages build-id cache
6 * Copyright (C) 2010, Red Hat Inc.
7 * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com>
11 #include "util/cache.h"
12 #include "util/debug.h"
13 #include "util/header.h"
14 #include "util/parse-options.h"
15 #include "util/strlist.h"
16 #include "util/build-id.h"
17 #include "util/symbol.h"
19 static int build_id_cache__add_file(const char *filename, const char *debugdir)
21 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
22 u8 build_id[BUILD_ID_SIZE];
25 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
26 pr_debug("Couldn't read a build-id in %s\n", filename);
30 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
31 err = build_id_cache__add_s(sbuild_id, debugdir, filename,
34 pr_info("Adding %s %s: %s\n", sbuild_id, filename,
39 static int build_id_cache__remove_file(const char *filename,
42 u8 build_id[BUILD_ID_SIZE];
43 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
47 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
48 pr_debug("Couldn't read a build-id in %s\n", filename);
52 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
53 err = build_id_cache__remove_s(sbuild_id, debugdir);
55 pr_info("Removing %s %s: %s\n", sbuild_id, filename,
61 int cmd_buildid_cache(int argc, const char **argv,
62 const char *prefix __maybe_unused)
66 char debugdir[PATH_MAX];
67 char const *add_name_list_str = NULL,
68 *remove_name_list_str = NULL;
69 const struct option buildid_cache_options[] = {
70 OPT_STRING('a', "add", &add_name_list_str,
71 "file list", "file(s) to add"),
72 OPT_STRING('r', "remove", &remove_name_list_str, "file list",
74 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
77 const char * const buildid_cache_usage[] = {
78 "perf buildid-cache [<options>]",
82 argc = parse_options(argc, argv, buildid_cache_options,
83 buildid_cache_usage, 0);
85 if (symbol__init() < 0)
90 snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
92 if (add_name_list_str) {
93 list = strlist__new(true, add_name_list_str);
95 strlist__for_each(pos, list)
96 if (build_id_cache__add_file(pos->s, debugdir)) {
97 if (errno == EEXIST) {
98 pr_debug("%s already in the cache\n",
102 pr_warning("Couldn't add %s: %s\n",
103 pos->s, strerror(errno));
106 strlist__delete(list);
110 if (remove_name_list_str) {
111 list = strlist__new(true, remove_name_list_str);
113 strlist__for_each(pos, list)
114 if (build_id_cache__remove_file(pos->s, debugdir)) {
115 if (errno == ENOENT) {
116 pr_debug("%s wasn't in the cache\n",
120 pr_warning("Couldn't remove %s: %s\n",
121 pos->s, strerror(errno));
124 strlist__delete(list);