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/session.h"
18 #include "util/symbol.h"
20 static int build_id_cache__add_file(const char *filename, const char *debugdir)
22 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
23 u8 build_id[BUILD_ID_SIZE];
26 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
27 pr_debug("Couldn't read a build-id in %s\n", filename);
31 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
32 err = build_id_cache__add_s(sbuild_id, debugdir, filename,
35 pr_info("Adding %s %s: %s\n", sbuild_id, filename,
40 static int build_id_cache__remove_file(const char *filename,
43 u8 build_id[BUILD_ID_SIZE];
44 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
48 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
49 pr_debug("Couldn't read a build-id in %s\n", filename);
53 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
54 err = build_id_cache__remove_s(sbuild_id, debugdir);
56 pr_info("Removing %s %s: %s\n", sbuild_id, filename,
62 static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused)
64 char filename[PATH_MAX];
65 u8 build_id[BUILD_ID_SIZE];
67 if (dso__build_id_filename(dso, filename, sizeof(filename)) &&
68 filename__read_build_id(filename, build_id,
69 sizeof(build_id)) != sizeof(build_id)) {
73 pr_warning("Problems with %s file, consider removing it from the cache\n",
75 } else if (memcmp(dso->build_id, build_id, sizeof(dso->build_id))) {
76 pr_warning("Problems with %s file, consider removing it from the cache\n",
83 static int build_id_cache__fprintf_missing(const char *filename, bool force, FILE *fp)
85 struct perf_session *session = perf_session__new(filename, O_RDONLY,
90 perf_session__fprintf_dsos_buildid(session, fp, dso__missing_buildid_cache, 0);
91 perf_session__delete(session);
96 static int build_id_cache__update_file(const char *filename,
99 u8 build_id[BUILD_ID_SIZE];
100 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
104 if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
105 pr_debug("Couldn't read a build-id in %s\n", filename);
109 build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
110 err = build_id_cache__remove_s(sbuild_id, debugdir);
112 err = build_id_cache__add_s(sbuild_id, debugdir, filename,
116 pr_info("Updating %s %s: %s\n", sbuild_id, filename,
117 err ? "FAIL" : "Ok");
122 int cmd_buildid_cache(int argc, const char **argv,
123 const char *prefix __maybe_unused)
125 struct strlist *list;
126 struct str_node *pos;
129 char debugdir[PATH_MAX];
130 char const *add_name_list_str = NULL,
131 *remove_name_list_str = NULL,
132 *missing_filename = NULL,
133 *update_name_list_str = NULL;
135 const struct option buildid_cache_options[] = {
136 OPT_STRING('a', "add", &add_name_list_str,
137 "file list", "file(s) to add"),
138 OPT_STRING('r', "remove", &remove_name_list_str, "file list",
139 "file(s) to remove"),
140 OPT_STRING('M', "missing", &missing_filename, "file",
141 "to find missing build ids in the cache"),
142 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
143 OPT_STRING('u', "update", &update_name_list_str, "file list",
144 "file(s) to update"),
145 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
148 const char * const buildid_cache_usage[] = {
149 "perf buildid-cache [<options>]",
153 argc = parse_options(argc, argv, buildid_cache_options,
154 buildid_cache_usage, 0);
156 if (symbol__init() < 0)
161 snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir);
163 if (add_name_list_str) {
164 list = strlist__new(true, add_name_list_str);
166 strlist__for_each(pos, list)
167 if (build_id_cache__add_file(pos->s, debugdir)) {
168 if (errno == EEXIST) {
169 pr_debug("%s already in the cache\n",
173 pr_warning("Couldn't add %s: %s\n",
174 pos->s, strerror(errno));
177 strlist__delete(list);
181 if (remove_name_list_str) {
182 list = strlist__new(true, remove_name_list_str);
184 strlist__for_each(pos, list)
185 if (build_id_cache__remove_file(pos->s, debugdir)) {
186 if (errno == ENOENT) {
187 pr_debug("%s wasn't in the cache\n",
191 pr_warning("Couldn't remove %s: %s\n",
192 pos->s, strerror(errno));
195 strlist__delete(list);
199 if (missing_filename)
200 ret = build_id_cache__fprintf_missing(missing_filename, force, stdout);
202 if (update_name_list_str) {
203 list = strlist__new(true, update_name_list_str);
205 strlist__for_each(pos, list)
206 if (build_id_cache__update_file(pos->s, debugdir)) {
207 if (errno == ENOENT) {
208 pr_debug("%s wasn't in the cache\n",
212 pr_warning("Couldn't update %s: %s\n",
213 pos->s, strerror(errno));
216 strlist__delete(list);