From a8792242e4f2915a85bfa2d21a0ee2d9043de996 Mon Sep 17 00:00:00 2001
From: Yang Jihong <yangjihong1@huawei.com>
Date: Sat, 12 Aug 2023 08:49:11 +0000
Subject: [PATCH] perf evsel: Add evsel__intval_common() helper

Add evsel__intval_common() helper to search for common_field in
tracepoint format.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sandipan Das <sandipan.das@amd.com>
Link: https://lore.kernel.org/r/20230812084917.169338-11-yangjihong1@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/evsel.c | 13 +++++++++++++
 tools/perf/util/evsel.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index a8a5ff87cc1f7..d5363d23f5d34 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2766,6 +2766,11 @@ struct tep_format_field *evsel__field(struct evsel *evsel, const char *name)
 	return tep_find_field(evsel->tp_format, name);
 }
 
+struct tep_format_field *evsel__common_field(struct evsel *evsel, const char *name)
+{
+	return tep_find_common_field(evsel->tp_format, name);
+}
+
 void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name)
 {
 	struct tep_format_field *field = evsel__field(evsel, name);
@@ -2831,6 +2836,14 @@ u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *n
 
 	return field ? format_field__intval(field, sample, evsel->needs_swap) : 0;
 }
+
+u64 evsel__intval_common(struct evsel *evsel, struct perf_sample *sample, const char *name)
+{
+	struct tep_format_field *field = evsel__common_field(evsel, name);
+
+	return field ? format_field__intval(field, sample, evsel->needs_swap) : 0;
+}
+
 #endif
 
 bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize)
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 848534ec74fa0..815be24919383 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -340,6 +340,7 @@ struct perf_sample;
 #ifdef HAVE_LIBTRACEEVENT
 void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name);
 u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name);
+u64 evsel__intval_common(struct evsel *evsel, struct perf_sample *sample, const char *name);
 
 static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name)
 {
@@ -352,6 +353,7 @@ struct tep_format_field;
 u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
 
 struct tep_format_field *evsel__field(struct evsel *evsel, const char *name);
+struct tep_format_field *evsel__common_field(struct evsel *evsel, const char *name);
 
 static inline bool __evsel__match(const struct evsel *evsel, u32 type, u64 config)
 {
-- 
2.30.2