linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Jiri Olsa <jolsa@redhat.com>, Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf tools: Add file-handle feature test
Date: Thu, 2 Apr 2020 12:46:51 -0300	[thread overview]
Message-ID: <20200402154651.GD8736@kernel.org> (raw)
In-Reply-To: <20200402153748.GC8736@kernel.org>

Em Thu, Apr 02, 2020 at 12:37:48PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Apr 02, 2020 at 10:52:49AM +0900, Namhyung Kim escreveu:
> > The file handle (FHANDLE) support is configurable so some systems might
> > not have it.  So add a config feature item to check it on build time
> > and reject cgroup tracking based on that.
> 
> Ok, I'll break this patch in two, add the feature test first, then fold
> the usage of HAVE_FILE_HANDLE with the patch that uses it, so that we
> keep the codebase bisectable,
> 
> Thanks!

Also had to do this here and in the other similar places:

diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index f96e84956d84..a661b122d9d8 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -528,9 +528,9 @@ int perf_event__synthesize_cgroups(struct perf_tool *tool,
 	return 0;
 }
 #else
-int perf_event__synthesize_cgroups(struct perf_tool *tool,
-				   perf_event__handler_t process,
-				   struct machine *machine)
+int perf_event__synthesize_cgroups(struct perf_tool *tool __maybe_unused,
+				   perf_event__handler_t process __maybe_unused,
+				   struct machine *machine __maybe_unused)
 {
 	return -1;
 }

  reply	other threads:[~2020-04-02 15:46 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-25 12:45 [PATCHSET 0/9] perf: Improve cgroup profiling (v6) Namhyung Kim
2020-03-25 12:45 ` [PATCH 1/9] perf/core: Add PERF_RECORD_CGROUP event Namhyung Kim
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 2/9] perf/core: Add PERF_SAMPLE_CGROUP feature Namhyung Kim
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 3/9] perf tools: Basic support for CGROUP event Namhyung Kim
2020-03-27 14:06   ` Arnaldo Carvalho de Melo
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 4/9] perf tools: Maintain cgroup hierarchy Namhyung Kim
2020-04-03 12:36   ` Arnaldo Carvalho de Melo
2020-04-04  1:29     ` Namhyung Kim
2020-04-04  8:41     ` [tip: perf/urgent] perf python: Include rwsem.c in the pythong biding tip-bot2 for Arnaldo Carvalho de Melo
2020-04-04  8:41   ` [tip: perf/urgent] perf cgroup: Maintain cgroup hierarchy tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 5/9] perf report: Add 'cgroup' sort key Namhyung Kim
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 6/9] perf record: Support synthesizing cgroup events Namhyung Kim
2020-03-30 16:30   ` Arnaldo Carvalho de Melo
2020-03-30 16:43     ` Arnaldo Carvalho de Melo
2020-03-31 16:04       ` Arnaldo Carvalho de Melo
2020-04-01 23:22       ` Namhyung Kim
2020-04-02  1:52         ` [PATCH] perf tools: Add file-handle feature test Namhyung Kim
2020-04-02 15:37           ` Arnaldo Carvalho de Melo
2020-04-02 15:46             ` Arnaldo Carvalho de Melo [this message]
2020-04-02 18:37             ` Arnaldo Carvalho de Melo
2020-04-04  8:41           ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-04-04  8:41   ` [tip: perf/urgent] perf record: Support synthesizing cgroup events tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 7/9] perf record: Add --all-cgroups option Namhyung Kim
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 8/9] perf top: " Namhyung Kim
2020-03-27 16:35   ` Arnaldo Carvalho de Melo
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 12:45 ` [PATCH 9/9] perf script: Add --show-cgroup-events option Namhyung Kim
2020-03-27 16:39   ` Arnaldo Carvalho de Melo
2020-04-04  8:41   ` [tip: perf/urgent] " tip-bot2 for Namhyung Kim
2020-03-25 13:05 ` [PATCHSET 0/9] perf: Improve cgroup profiling (v6) Arnaldo Carvalho de Melo
2020-03-25 13:19   ` Namhyung Kim

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=20200402154651.GD8736@kernel.org \
    --to=arnaldo.melo@gmail.com \
    --cc=a.p.zijlstra@chello.nl \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=jolsa@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@kernel.org \
    --cc=namhyung@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).