From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>, Andi Kleen <ak@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 13/16] perf tools: Move leader-sampling configuration
Date: Thu, 16 Apr 2020 12:29:51 -0300 [thread overview]
Message-ID: <20200416152951.GB2650@kernel.org> (raw)
In-Reply-To: <20200401101613.6201-14-adrian.hunter@intel.com>
Em Wed, Apr 01, 2020 at 01:16:10PM +0300, Adrian Hunter escreveu:
> Move leader-sampling configuration in preparation for adding support for
> leader sampling with AUX area events.
>
> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> tools/perf/util/evsel.c | 19 -------------------
> tools/perf/util/record.c | 29 +++++++++++++++++++++++++++++
> 2 files changed, 29 insertions(+), 19 deletions(-)
>
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index d4ab073c9fe7..8ddcb95396ac 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -1022,25 +1022,6 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
> }
> }
>
> - /*
> - * Disable sampling for all group members other
> - * than leader in case leader 'leads' the sampling.
> - */
> - if ((leader != evsel) && leader->sample_read) {
> - attr->freq = 0;
> - attr->sample_freq = 0;
> - attr->sample_period = 0;
> - attr->write_backward = 0;
> -
> - /*
> - * We don't get sample for slave events, we make them
> - * when delivering group leader sample. Set the slave
> - * event to follow the master sample_type to ease up
> - * report.
> - */
> - attr->sample_type = leader->core.attr.sample_type;
> - }
> -
> if (opts->no_samples)
> attr->sample_freq = 0;
>
> diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
> index 7def66168503..ce383fc1bbbc 100644
> --- a/tools/perf/util/record.c
> +++ b/tools/perf/util/record.c
> @@ -167,6 +167,31 @@ bool perf_can_aux_sample(void)
> return true;
> }
>
> +static void perf_evsel__config_leader_sampling(struct evsel *evsel)
> +{
> + struct perf_event_attr *attr = &evsel->core.attr;
> + struct evsel *leader = evsel->leader;
> +
> + /*
> + * Disable sampling for all group members other
> + * than leader in case leader 'leads' the sampling.
> + */
> + if (leader != evsel && leader->sample_read) {
> + attr->freq = 0;
> + attr->sample_freq = 0;
> + attr->sample_period = 0;
> + attr->write_backward = 0;
> +
> + /*
> + * We don't get sample for slave events, we make them
> + * when delivering group leader sample. Set the slave
> + * event to follow the master sample_type to ease up
> + * report.
> + */
> + attr->sample_type = leader->core.attr.sample_type;
> + }
> +}
> +
> void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
> struct callchain_param *callchain)
> {
> @@ -193,6 +218,10 @@ void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
> evsel->core.attr.comm_exec = 1;
> }
>
> + /* Configure leader sampling here now that the sample type is known */
> + evlist__for_each_entry(evlist, evsel)
> + perf_evsel__config_leader_sampling(evsel, evlist);
> +
> if (opts->full_auxtrace) {
> /*
> * Need to be able to synthesize and parse selected events with
INSTALL trace_plugins
util/record.c: In function ‘perf_evlist__config’:
util/record.c:223:3: error: too many arguments to function ‘perf_evsel__config_leader_sampling’
223 | perf_evsel__config_leader_sampling(evsel, evlist);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
util/record.c:170:13: note: declared here
170 | static void perf_evsel__config_leader_sampling(struct evsel *evsel)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mv: cannot stat '/tmp/build/perf/util/.record.o.tmp': No such file or directory
make[4]: *** [/home/acme/git/perf/tools/build/Makefile.build:96: /tmp/build/perf/util/record.o] Error 1
----------
I'm removing that evlist arg from here and fixing up the fallout in the
following patches :-)
- Arnaldo
next prev parent reply other threads:[~2020-04-16 15:30 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-01 10:15 [PATCH 00/16] perf intel-pt: Sampling improvements Adrian Hunter
2020-04-01 10:15 ` [PATCH 01/16] perf auxtrace: Add ->evsel_is_auxtrace() callback Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:15 ` [PATCH 02/16] perf intel-pt: Implement " Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 03/16] perf intel-bts: " Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 04/16] perf arm-spe: " Adrian Hunter
2020-04-02 3:03 ` Leo Yan
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 05/16] perf cs-etm: " Adrian Hunter
2020-04-01 17:11 ` Mathieu Poirier
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 06/16] perf s390-cpumsf: " Adrian Hunter
2020-04-01 14:10 ` Thomas Richter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 07/16] perf auxtrace: For reporting purposes, un-group AUX area event Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 08/16] perf auxtrace: Add an option to synthesize callchains for regular events Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 09/16] perf thread-stack: Add thread_stack__sample_late() Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 10/16] perf tools: Add support for synthesized sample type Adrian Hunter
2020-04-16 14:54 ` Arnaldo Carvalho de Melo
2020-04-16 14:57 ` Arnaldo Carvalho de Melo
2020-04-16 15:01 ` Arnaldo Carvalho de Melo
2020-04-22 12:17 ` [tip: perf/core] perf evsel: Be consistent when looking which evsel PERF_SAMPLE_ bits are set tip-bot2 for Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] perf evsel: Add support for synthesized sample type tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 11/16] perf intel-pt: Add support for synthesizing callchains for regular events Adrian Hunter
2020-04-16 15:14 ` Arnaldo Carvalho de Melo
2020-04-17 13:50 ` Adrian Hunter
2020-04-17 21:37 ` Arnaldo Carvalho de Melo
2020-04-20 3:04 ` Andi Kleen
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 12/16] perf tools: Move and globalize perf_evsel__find_pmu() and perf_evsel__is_aux_event() Adrian Hunter
2020-04-18 11:50 ` Arnaldo Carvalho de Melo
2020-04-18 12:04 ` Arnaldo Carvalho de Melo
2020-04-22 12:17 ` [tip: perf/core] perf evsel: " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 13/16] perf tools: Move leader-sampling configuration Adrian Hunter
2020-04-16 15:29 ` Arnaldo Carvalho de Melo [this message]
2020-04-22 12:17 ` [tip: perf/core] perf evlist: " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 14/16] perf tools: Rearrange perf_evsel__config_leader_sampling() Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] perf evsel: " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 15/16] perf tools: Allow multiple read formats Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] perf evlist: " tip-bot2 for Adrian Hunter
2020-04-01 10:16 ` [PATCH 16/16] perf tools: Add support for leader-sampling with AUX area events Adrian Hunter
2020-04-22 12:17 ` [tip: perf/core] " tip-bot2 for Adrian Hunter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200416152951.GB2650@kernel.org \
--to=arnaldo.melo@gmail.com \
--cc=adrian.hunter@intel.com \
--cc=ak@linux.intel.com \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).