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Diffstat (limited to 'tools/perf/builtin-buildid-cache.c')
-rw-r--r--tools/perf/builtin-buildid-cache.c52
1 files changed, 37 insertions, 15 deletions
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index 9eba7f1add1f..d65bd86bee99 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -14,6 +14,7 @@
#include <unistd.h>
#include "builtin.h"
#include "perf.h"
+#include "namespaces.h"
#include "util/cache.h"
#include "util/debug.h"
#include "util/header.h"
@@ -165,33 +166,41 @@ static int build_id_cache__add_kcore(const char *filename, bool force)
return 0;
}
-static int build_id_cache__add_file(const char *filename)
+static int build_id_cache__add_file(const char *filename, struct nsinfo *nsi)
{
char sbuild_id[SBUILD_ID_SIZE];
u8 build_id[BUILD_ID_SIZE];
int err;
+ struct nscookie nsc;
- if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ nsinfo__mountns_enter(nsi, &nsc);
+ err = filename__read_build_id(filename, &build_id, sizeof(build_id));
+ nsinfo__mountns_exit(&nsc);
+ if (err < 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, filename,
+ err = build_id_cache__add_s(sbuild_id, filename, nsi,
false, false);
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)
+static int build_id_cache__remove_file(const char *filename, struct nsinfo *nsi)
{
u8 build_id[BUILD_ID_SIZE];
char sbuild_id[SBUILD_ID_SIZE];
+ struct nscookie nsc;
int err;
- if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ nsinfo__mountns_enter(nsi, &nsc);
+ err = filename__read_build_id(filename, &build_id, sizeof(build_id));
+ nsinfo__mountns_exit(&nsc);
+ if (err < 0) {
pr_debug("Couldn't read a build-id in %s\n", filename);
return -1;
}
@@ -204,13 +213,13 @@ static int build_id_cache__remove_file(const char *filename)
return err;
}
-static int build_id_cache__purge_path(const char *pathname)
+static int build_id_cache__purge_path(const char *pathname, struct nsinfo *nsi)
{
struct strlist *list;
struct str_node *pos;
int err;
- err = build_id_cache__list_build_ids(pathname, &list);
+ err = build_id_cache__list_build_ids(pathname, nsi, &list);
if (err)
goto out;
@@ -256,24 +265,30 @@ 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)
+static int build_id_cache__update_file(const char *filename, struct nsinfo *nsi)
{
u8 build_id[BUILD_ID_SIZE];
char sbuild_id[SBUILD_ID_SIZE];
+ struct nscookie nsc;
- int err = 0;
+ int err;
- if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ nsinfo__mountns_enter(nsi, &nsc);
+ err = filename__read_build_id(filename, &build_id, sizeof(build_id));
+ nsinfo__mountns_exit(&nsc);
+ if (err < 0) {
pr_debug("Couldn't read a build-id in %s\n", filename);
return -1;
}
+ err = 0;
build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
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);
+ err = build_id_cache__add_s(sbuild_id, filename, nsi, false,
+ false);
pr_debug("Updating %s %s: %s\n", sbuild_id, filename,
err ? "FAIL" : "Ok");
@@ -286,6 +301,7 @@ int cmd_buildid_cache(int argc, const char **argv)
struct strlist *list;
struct str_node *pos;
int ret = 0;
+ int ns_id = -1;
bool force = false;
char const *add_name_list_str = NULL,
*remove_name_list_str = NULL,
@@ -299,6 +315,7 @@ int cmd_buildid_cache(int argc, const char **argv)
.mode = PERF_DATA_MODE_READ,
};
struct perf_session *session = NULL;
+ struct nsinfo *nsi = NULL;
const struct option buildid_cache_options[] = {
OPT_STRING('a', "add", &add_name_list_str,
@@ -315,6 +332,7 @@ int cmd_buildid_cache(int argc, const char **argv)
OPT_STRING('u', "update", &update_name_list_str, "file list",
"file(s) to update"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
+ OPT_INTEGER(0, "target-ns", &ns_id, "target pid for namespace context"),
OPT_END()
};
const char * const buildid_cache_usage[] = {
@@ -330,6 +348,9 @@ int cmd_buildid_cache(int argc, const char **argv)
!missing_filename && !update_name_list_str))
usage_with_options(buildid_cache_usage, buildid_cache_options);
+ if (ns_id > 0)
+ nsi = nsinfo__new(ns_id);
+
if (missing_filename) {
file.path = missing_filename;
file.force = force;
@@ -348,7 +369,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(add_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__add_file(pos->s)) {
+ if (build_id_cache__add_file(pos->s, nsi)) {
if (errno == EEXIST) {
pr_debug("%s already in the cache\n",
pos->s);
@@ -366,7 +387,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(remove_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__remove_file(pos->s)) {
+ if (build_id_cache__remove_file(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -384,7 +405,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(purge_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__purge_path(pos->s)) {
+ if (build_id_cache__purge_path(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -405,7 +426,7 @@ int cmd_buildid_cache(int argc, const char **argv)
list = strlist__new(update_name_list_str, NULL);
if (list) {
strlist__for_each_entry(pos, list)
- if (build_id_cache__update_file(pos->s)) {
+ if (build_id_cache__update_file(pos->s, nsi)) {
if (errno == ENOENT) {
pr_debug("%s wasn't in the cache\n",
pos->s);
@@ -424,6 +445,7 @@ int cmd_buildid_cache(int argc, const char **argv)
out:
perf_session__delete(session);
+ nsinfo__zput(nsi);
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 19:53:55 +0100