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Diffstat (limited to 'tools/perf/builtin-buildid-cache.c')
-rw-r--r--tools/perf/builtin-buildid-cache.c107
1 files changed, 76 insertions, 31 deletions
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 50e6b66aea1f..d47a0cdc71c9 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -125,8 +125,7 @@ static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
return ret;
}
-static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
- bool force)
+static int build_id_cache__add_kcore(const char *filename, bool force)
{
char dir[32], sbuildid[BUILD_ID_SIZE * 2 + 1];
char from_dir[PATH_MAX], to_dir[PATH_MAX];
@@ -143,7 +142,7 @@ static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
return -1;
scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s",
- debugdir, sbuildid);
+ buildid_dir, sbuildid);
if (!force &&
!build_id_cache__kcore_existing(from_dir, to_dir, sizeof(to_dir))) {
@@ -155,7 +154,7 @@ static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
return -1;
scnprintf(to_dir, sizeof(to_dir), "%s/[kernel.kcore]/%s/%s",
- debugdir, sbuildid, dir);
+ buildid_dir, sbuildid, dir);
if (mkdir_p(to_dir, 0755))
return -1;
@@ -183,7 +182,7 @@ static int build_id_cache__add_kcore(const char *filename, const char *debugdir,
return 0;
}
-static int build_id_cache__add_file(const char *filename, const char *debugdir)
+static int build_id_cache__add_file(const char *filename)
{
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
u8 build_id[BUILD_ID_SIZE];
@@ -195,16 +194,14 @@ static int build_id_cache__add_file(const char *filename, const char *debugdir)
}
build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
- err = build_id_cache__add_s(sbuild_id, debugdir, filename,
+ err = build_id_cache__add_s(sbuild_id, filename,
false, false);
- if (verbose)
- pr_info("Adding %s %s: %s\n", sbuild_id, filename,
- err ? "FAIL" : "Ok");
+ pr_debug("Adding %s %s: %s\n", sbuild_id, filename,
+ err ? "FAIL" : "Ok");
return err;
}
-static int build_id_cache__remove_file(const char *filename,
- const char *debugdir)
+static int build_id_cache__remove_file(const char *filename)
{
u8 build_id[BUILD_ID_SIZE];
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
@@ -217,10 +214,34 @@ static int build_id_cache__remove_file(const char *filename,
}
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");
+ err = build_id_cache__remove_s(sbuild_id);
+ pr_debug("Removing %s %s: %s\n", sbuild_id, filename,
+ err ? "FAIL" : "Ok");
+
+ return err;
+}
+
+static int build_id_cache__purge_path(const char *pathname)
+{
+ struct strlist *list;
+ struct str_node *pos;
+ int err;
+
+ err = build_id_cache__list_build_ids(pathname, &list);
+ if (err)
+ goto out;
+
+ strlist__for_each(pos, list) {
+ err = build_id_cache__remove_s(pos->s);
+ pr_debug("Removing %s %s: %s\n", pos->s, pathname,
+ err ? "FAIL" : "Ok");
+ if (err)
+ break;
+ }
+ strlist__delete(list);
+
+out:
+ pr_debug("Purging %s: %s\n", pathname, err ? "FAIL" : "Ok");
return err;
}
@@ -252,13 +273,12 @@ static int build_id_cache__fprintf_missing(struct perf_session *session, FILE *f
return 0;
}
-static int build_id_cache__update_file(const char *filename,
- const char *debugdir)
+static int build_id_cache__update_file(const char *filename)
{
u8 build_id[BUILD_ID_SIZE];
char sbuild_id[BUILD_ID_SIZE * 2 + 1];
- int err;
+ int err = 0;
if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
pr_debug("Couldn't read a build-id in %s\n", filename);
@@ -266,14 +286,14 @@ static int build_id_cache__update_file(const char *filename,
}
build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
- err = build_id_cache__remove_s(sbuild_id, debugdir);
- if (!err) {
- err = build_id_cache__add_s(sbuild_id, debugdir, filename,
- false, false);
- }
- if (verbose)
- pr_info("Updating %s %s: %s\n", sbuild_id, filename,
- err ? "FAIL" : "Ok");
+ if (build_id_cache__cached(sbuild_id))
+ err = build_id_cache__remove_s(sbuild_id);
+
+ if (!err)
+ err = build_id_cache__add_s(sbuild_id, filename, false, false);
+
+ pr_debug("Updating %s %s: %s\n", sbuild_id, filename,
+ err ? "FAIL" : "Ok");
return err;
}
@@ -287,6 +307,7 @@ int cmd_buildid_cache(int argc, const char **argv,
bool force = false;
char const *add_name_list_str = NULL,
*remove_name_list_str = NULL,
+ *purge_name_list_str = NULL,
*missing_filename = NULL,
*update_name_list_str = NULL,
*kcore_filename = NULL;
@@ -304,6 +325,8 @@ int cmd_buildid_cache(int argc, const char **argv,
"file", "kcore file to add"),
OPT_STRING('r', "remove", &remove_name_list_str, "file list",
"file(s) to remove"),
+ OPT_STRING('p', "purge", &purge_name_list_str, "path list",
+ "path(s) to remove (remove old caches too)"),
OPT_STRING('M', "missing", &missing_filename, "file",
"to find missing build ids in the cache"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
@@ -320,6 +343,11 @@ int cmd_buildid_cache(int argc, const char **argv,
argc = parse_options(argc, argv, buildid_cache_options,
buildid_cache_usage, 0);
+ if (argc || (!add_name_list_str && !kcore_filename &&
+ !remove_name_list_str && !purge_name_list_str &&
+ !missing_filename && !update_name_list_str))
+ usage_with_options(buildid_cache_usage, buildid_cache_options);
+
if (missing_filename) {
file.path = missing_filename;
file.force = force;
@@ -338,7 +366,7 @@ int cmd_buildid_cache(int argc, const char **argv,
list = strlist__new(true, add_name_list_str);
if (list) {
strlist__for_each(pos, list)
- if (build_id_cache__add_file(pos->s, buildid_dir)) {
+ if (build_id_cache__add_file(pos->s)) {
if (errno == EEXIST) {
pr_debug("%s already in the cache\n",
pos->s);
@@ -356,7 +384,25 @@ int cmd_buildid_cache(int argc, const char **argv,
list = strlist__new(true, remove_name_list_str);
if (list) {
strlist__for_each(pos, list)
- if (build_id_cache__remove_file(pos->s, buildid_dir)) {
+ if (build_id_cache__remove_file(pos->s)) {
+ 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_r(errno, sbuf, sizeof(sbuf)));
+ }
+
+ strlist__delete(list);
+ }
+ }
+
+ if (purge_name_list_str) {
+ list = strlist__new(true, purge_name_list_str);
+ if (list) {
+ strlist__for_each(pos, list)
+ if (build_id_cache__purge_path(pos->s)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -377,7 +423,7 @@ int cmd_buildid_cache(int argc, const char **argv,
list = strlist__new(true, update_name_list_str);
if (list) {
strlist__for_each(pos, list)
- if (build_id_cache__update_file(pos->s, buildid_dir)) {
+ if (build_id_cache__update_file(pos->s)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -391,8 +437,7 @@ int cmd_buildid_cache(int argc, const char **argv,
}
}
- if (kcore_filename &&
- build_id_cache__add_kcore(kcore_filename, buildid_dir, force))
+ if (kcore_filename && build_id_cache__add_kcore(kcore_filename, force))
pr_warning("Couldn't add %s\n", kcore_filename);
out:
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.