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@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>, Kajol Jain <kjain@linux.ibm.com>,
James Clark <james.clark@arm.com>,
German Gomez <german.gomez@arm.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Riccardo Mancini <rickyman7@gmail.com>,
Andi Kleen <ak@linux.intel.com>,
Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>,
Alexander Antonov <alexander.antonov@linux.intel.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Stephane Eranian <eranian@google.com>, Ian Rogers <irogers@google.com>
Subject: [PATCH v5 5/6] perf evlist: Add to user_requested_cpus documentation
Date: Mon, 2 May 2022 21:17:56 -0700 [thread overview]
Message-ID: <20220503041757.2365696-6-irogers@google.com> (raw)
In-Reply-To: <20220503041757.2365696-1-irogers@google.com>
Document a key use-case in propagation.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/lib/perf/include/internal/evlist.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
index e3e64f37db7b..74541bd87aa9 100644
--- a/tools/lib/perf/include/internal/evlist.h
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -21,7 +21,8 @@ struct perf_evlist {
bool has_user_cpus;
/**
* The cpus passed from the command line or all online CPUs by
- * default.
+ * default. For evsels with no or dummy cpu maps, this cpu map replaces
+ * their cpus during propagation.
*/
struct perf_cpu_map *user_requested_cpus;
/** The union of all evsel cpu maps. */
--
2.36.0.464.gb9c8b46e94-goog
next prev parent reply other threads:[~2022-05-03 4:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-03 4:17 [PATCH v5 0/6] Make evlist CPUs more accurate Ian Rogers
2022-05-03 4:17 ` [PATCH v5 1/6] perf cpumap: Switch to using perf_cpu_map API Ian Rogers
2022-05-04 17:44 ` Namhyung Kim
2022-05-05 17:39 ` Arnaldo Carvalho de Melo
2022-05-03 4:17 ` [PATCH v5 2/6] perf evlist: Clear all_cpus before propagating Ian Rogers
2022-05-04 14:15 ` Adrian Hunter
2022-05-05 17:39 ` Arnaldo Carvalho de Melo
2022-05-03 4:17 ` [PATCH v5 3/6] perf stat: Avoid printing cpus with no counters Ian Rogers
2022-05-03 14:19 ` Arnaldo Carvalho de Melo
2022-05-03 4:17 ` [PATCH v5 4/6] perf cpumap: Handle dummy maps as empty in subset Ian Rogers
2022-05-03 7:43 ` Adrian Hunter
2022-05-03 14:03 ` Ian Rogers
2022-05-04 12:54 ` Adrian Hunter
2022-05-04 13:59 ` Ian Rogers
2022-05-04 16:33 ` Ian Rogers
2022-05-03 4:17 ` Ian Rogers [this message]
2022-05-03 4:17 ` [PATCH v5 6/6] perf evlist: Rename all_cpus Ian Rogers
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=20220503041757.2365696-6-irogers@google.com \
--to=irogers@google.com \
--cc=acme@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=ak@linux.intel.com \
--cc=alexander.antonov@linux.intel.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=alexey.v.bayduraev@linux.intel.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=daniel@iogearbox.net \
--cc=eranian@google.com \
--cc=german.gomez@arm.com \
--cc=james.clark@arm.com \
--cc=john.fastabend@gmail.com \
--cc=john.garry@huawei.com \
--cc=jolsa@kernel.org \
--cc=kafai@fb.com \
--cc=kjain@linux.ibm.com \
--cc=kpsingh@kernel.org \
--cc=leo.yan@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mathieu.poirier@linaro.org \
--cc=mike.leach@linaro.org \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=peterz@infradead.org \
--cc=rickyman7@gmail.com \
--cc=songliubraving@fb.com \
--cc=suzuki.poulose@arm.com \
--cc=will@kernel.org \
--cc=yhs@fb.com \
/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).