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Message-ID: <20230812084917.169338-11-yangjihong1@huawei.com>
Date: Sat, 12 Aug 2023 08:49:11 +0000
From: Yang Jihong <yangjihong1@...wei.com>
To: <peterz@...radead.org>, <mingo@...hat.com>, <acme@...nel.org>,
<mark.rutland@....com>, <alexander.shishkin@...ux.intel.com>,
<jolsa@...nel.org>, <namhyung@...nel.org>, <irogers@...gle.com>,
<adrian.hunter@...el.com>, <kan.liang@...ux.intel.com>,
<sandipan.das@....com>, <ravi.bangoria@....com>,
<linux-kernel@...r.kernel.org>, <linux-perf-users@...r.kernel.org>
CC: <yangjihong1@...wei.com>
Subject: [RFC v1 10/16] perf evsel: Add evsel__intval_common() helper
Add evsel__intval_common() helper to search for common_field in
tracepoint format.
Signed-off-by: Yang Jihong <yangjihong1@...wei.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 e41bc4d9925f..f3ad2fa862bf 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2764,6 +2764,11 @@ 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);
@@ -2832,6 +2837,14 @@ 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 848534ec74fa..815be2491938 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.GIT
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