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perf build-id: Add __perf_session__cache_build_ids function

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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>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20201126170026.2619053-20-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2020-11-26 18:00:20 +01:00 committed by Arnaldo Carvalho de Melo
parent 0b7b9e83c7
commit 75fb2af68e
2 changed files with 11 additions and 2 deletions
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10
tools/perf/util/build-id.c
View File

@ -892,7 +892,8 @@ 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;
@ -900,7 +901,12 @@ 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)

3
tools/perf/util/build-id.h
View File

@ -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>
@ -46,6 +47,8 @@ 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);