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>

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index a8a5ff87cc1f712f54916cb222e183bf05650a36..d5363d23f5d3495cfb548383caeae7f79b4893f3 100644 (file)
--- 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 848534ec74fa0ae8e30e08c3bb7c62e2413aef21..815be249193833d5a8d0c2da5da213399efc3781 100644 (file)
--- 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)
 {