linux-kernel - [PATCH 19/25] perf tools: Add __perf_session__cache_build

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Message-Id: <20201123230512.2097312-20-jolsa@kernel.org>
Date:   Tue, 24 Nov 2020 00:05:06 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Song Liu <songliubraving@...com>,
        Ian Rogers <irogers@...gle.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH 19/25] perf tools: Add __perf_session__cache_build_ids function

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@...nel.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 948a7f48d668..6bf3cc79c5d5 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -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)
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index f1a2f67df6e4..c6f10e3d2152 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>
 
@@ -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);
-- 
2.26.2