From: Jiri Olsa <jolsa@redhat.com>
To: Ian Rogers <irogers@google.com>
Cc: 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>,
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,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH v9 4/4] perf tools: add support for libpfm4
Date: Thu, 16 Apr 2020 11:55:01 +0200 [thread overview]
Message-ID: <20200416095501.GC369437@krava> (raw)
In-Reply-To: <20200416063551.47637-5-irogers@google.com>
On Wed, Apr 15, 2020 at 11:35:51PM -0700, Ian Rogers wrote:
> From: Stephane Eranian <eranian@google.com>
>
> This patch links perf with the libpfm4 library if it is available
> and NO_LIBPFM4 isn't passed to the build. The libpfm4 library
> contains hardware event tables for all processors supported by
> perf_events. It is a helper library that helps convert from a
> symbolic event name to the event encoding required by the
> underlying kernel interface. This library is open-source and
> available from: http://perfmon2.sf.net.
>
> With this patch, it is possible to specify full hardware events
> by name. Hardware filters are also supported. Events must be
> specified via the --pfm-events and not -e option. Both options
> are active at the same time and it is possible to mix and match:
>
> $ perf stat --pfm-events inst_retired:any_p:c=1:i -e cycles ....
>
> Signed-off-by: Stephane Eranian <eranian@google.com>
> Reviewed-by: Ian Rogers <irogers@google.com>
# perf list
...
perf_raw pfm-events
r0000
[perf_events raw event syntax: r[0-9a-fA-F]+]
skl pfm-events
UNHALTED_CORE_CYCLES
[Count core clock cycles whenever the clock signal on the specific core is running (not halted)]
UNHALTED_REFERENCE_CYCLES
please add ':' behind the '* pfm-events' label
jirka
WARNING: multiple messages have this Message-ID (diff)
From: Jiri Olsa <jolsa@redhat.com>
To: Ian Rogers <irogers@google.com>
Cc: 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>,
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>,
yuzhouji
Subject: Re: [PATCH v9 4/4] perf tools: add support for libpfm4
Date: Thu, 16 Apr 2020 11:55:01 +0200 [thread overview]
Message-ID: <20200416095501.GC369437@krava> (raw)
In-Reply-To: <20200416063551.47637-5-irogers@google.com>
On Wed, Apr 15, 2020 at 11:35:51PM -0700, Ian Rogers wrote:
> From: Stephane Eranian <eranian@google.com>
>
> This patch links perf with the libpfm4 library if it is available
> and NO_LIBPFM4 isn't passed to the build. The libpfm4 library
> contains hardware event tables for all processors supported by
> perf_events. It is a helper library that helps convert from a
> symbolic event name to the event encoding required by the
> underlying kernel interface. This library is open-source and
> available from: http://perfmon2.sf.net.
>
> With this patch, it is possible to specify full hardware events
> by name. Hardware filters are also supported. Events must be
> specified via the --pfm-events and not -e option. Both options
> are active at the same time and it is possible to mix and match:
>
> $ perf stat --pfm-events inst_retired:any_p:c=1:i -e cycles ....
>
> Signed-off-by: Stephane Eranian <eranian@google.com>
> Reviewed-by: Ian Rogers <irogers@google.com>
# perf list
...
perf_raw pfm-events
r0000
[perf_events raw event syntax: r[0-9a-fA-F]+]
skl pfm-events
UNHALTED_CORE_CYCLES
[Count core clock cycles whenever the clock signal on the specific core is running (not halted)]
UNHALTED_REFERENCE_CYCLES
please add ':' behind the '* pfm-events' label
jirka
next prev parent reply other threads:[~2020-04-16 9:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-16 6:35 [PATCH v9 0/4] perf tools: add support for libpfm4 Ian Rogers
2020-04-16 6:35 ` [PATCH v9 1/4] perf doc: allow ASCIIDOC_EXTRA to be an argument Ian Rogers
2020-04-16 6:35 ` [PATCH v9 2/4] tools feature: add support for detecting libpfm4 Ian Rogers
2020-04-16 6:35 ` [PATCH v9 3/4] perf pmu: add perf_pmu__find_by_type helper Ian Rogers
2020-04-16 6:35 ` [PATCH v9 4/4] perf tools: add support for libpfm4 Ian Rogers
2020-04-16 9:50 ` Jiri Olsa
2020-04-16 9:50 ` Jiri Olsa
2020-04-16 9:55 ` Jiri Olsa [this message]
2020-04-16 9:55 ` Jiri Olsa
2020-04-16 16:02 ` Ian Rogers
2020-04-16 16:02 ` Ian Rogers
2020-04-16 20:10 ` Jiri Olsa
2020-04-16 20:10 ` Jiri Olsa
2020-04-16 22:19 ` Ian Rogers
2020-04-16 22:19 ` Ian Rogers
2020-04-16 9:55 ` Jiri Olsa
2020-04-16 9:55 ` Jiri Olsa
-- strict thread matches above, loose matches on Subject: below --
2020-04-14 18:10 [PATCH v9 0/4] " Ian Rogers
2020-04-14 18:10 ` [PATCH v9 4/4] " Ian Rogers
2020-04-14 18:04 [PATCH v9 0/4] " Ian Rogers
2020-04-14 18:04 ` [PATCH v9 4/4] " Ian Rogers
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