From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <kafai@fb.com>, Yonghong Song <yhs@fb.com>,
Andrii Nakryiko <andriin@fb.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Igor Lubashev <ilubashe@akamai.com>,
Alexey Budankov <alexey.budankov@linux.intel.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Andi Kleen <ak@linux.intel.com>,
Jiwei Sun <jiwei.sun@windriver.com>,
yuzhoujian <yuzhoujian@didichuxing.com>,
Kan Liang <kan.liang@linux.intel.com>,
Jin Yao <yao.jin@linux.intel.com>, Leo Yan <leo.yan@linaro.org>,
John Garry <john.garry@huawei.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
bpf@vger.kernel.org, linux-perf-users@vger.kernel.org
Cc: Stephane Eranian <eranian@google.com>, Ian Rogers <irogers@google.com>
Subject: [PATCH v11 3/4] perf pmu: add perf_pmu__find_by_type helper
Date: Thu, 16 Apr 2020 15:14:56 -0700 [thread overview]
Message-ID: <20200416221457.46710-4-irogers@google.com> (raw)
In-Reply-To: <20200416221457.46710-1-irogers@google.com>
From: Stephane Eranian <eranian@google.com>
This is used by libpfm4 during event parsing to locate the pmu for an
event.
Signed-off-by: Stephane Eranian <eranian@google.com>
Reviewed-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/pmu.c | 11 +++++++++++
tools/perf/util/pmu.h | 1 +
2 files changed, 12 insertions(+)
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index ef6a63f3d386..5e918ca740c6 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -869,6 +869,17 @@ static struct perf_pmu *pmu_find(const char *name)
return NULL;
}
+struct perf_pmu *perf_pmu__find_by_type(unsigned int type)
+{
+ struct perf_pmu *pmu;
+
+ list_for_each_entry(pmu, &pmus, list)
+ if (pmu->type == type)
+ return pmu;
+
+ return NULL;
+}
+
struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
{
/*
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 5fb3f16828df..de3b868d912c 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -65,6 +65,7 @@ struct perf_pmu_alias {
};
struct perf_pmu *perf_pmu__find(const char *name);
+struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
struct list_head *head_terms,
struct parse_events_error *error);
--
2.26.1.301.g55bc3eb7cb9-goog
next prev parent reply other threads:[~2020-04-16 22:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 22:14 [PATCH v11 0/4] perf tools: add support for libpfm4 Ian Rogers
2020-04-16 22:14 ` [PATCH v11 1/4] perf doc: allow ASCIIDOC_EXTRA to be an argument Ian Rogers
2020-04-16 22:14 ` [PATCH v11 2/4] tools feature: add support for detecting libpfm4 Ian Rogers
2020-04-16 22:14 ` Ian Rogers [this message]
2020-04-16 22:14 ` [PATCH v11 4/4] perf tools: add support for libpfm4 Ian Rogers
2020-04-17 9:08 ` [PATCH v11 0/4] " Jiri Olsa
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