[PATCH 23/26] perf tools: Add __perf_session__cache_build_ids function

Jiri Olsa
2020-09-13T21:06:47Z

Adding __perf_session__cache_build_ids function as an
interface for caching sessions build ids with callback
function and its data pointer.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/build-id.c | 10 ++++++++--
tools/perf/util/build-id.h | 3 +++
2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 22968504c6de..9335a535e547 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -902,7 +902,8 @@ machines__for_each_dso(struct machines *machines, machine__dso_t fn, void *priv)
return ret ? -1 : 0;
}

-int perf_session__cache_build_ids(struct perf_session *session)
+int __perf_session__cache_build_ids(struct perf_session *session,
+ machine__dso_t fn, void *priv)
{
if (no_buildid_cache)
return 0;
@@ -910,7 +911,12 @@ int perf_session__cache_build_ids(struct perf_session *session)
if (mkdir(buildid_dir, 0755) != 0 && errno != EEXIST)
return -1;

- return machines__for_each_dso(&session->machines, dso__cache_build_id, NULL) ? -1 : 0;
+ return machines__for_each_dso(&session->machines, fn, priv) ? -1 : 0;
+}
+
+int perf_session__cache_build_ids(struct perf_session *session)
+{
+ return __perf_session__cache_build_ids(session, dso__cache_build_id, NULL);
}

static bool machine__read_build_ids(struct machine *machine, bool with_hits)
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index 6d1c7180047b..ec128e8f7dd3 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -5,6 +5,7 @@
#define BUILD_ID_SIZE 20
#define SBUILD_ID_SIZE (BUILD_ID_SIZE * 2 + 1)

+#include "machine.h"
#include "tool.h"
#include <linux/types.h>

@@ -36,6 +37,8 @@ bool perf_session__read_build_ids(struct perf_session *session, bool with_hits);
int perf_session__write_buildid_table(struct perf_session *session,
struct feat_fd *fd);
int perf_session__cache_build_ids(struct perf_session *session);
+int __perf_session__cache_build_ids(struct perf_session *session,
+ machine__dso_t fn, void *priv);

char *build_id_cache__origname(const char *sbuild_id);
char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size);
--
2.26.2