From: Andi Kleen <ak@linux.intel.com>
To: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Dmitri Prokhorov <Dmitry.Prohorov@intel.com>
Subject: Re: [RFC PATCH] perf/core: exposing type of context-switch-out event
Date: Thu, 1 Mar 2018 10:08:05 -0800 [thread overview]
Message-ID: <20180301180805.GI21543@tassilo.jf.intel.com> (raw)
In-Reply-To: <06006a92-3745-0785-cb11-ddbf70e84ded@linux.intel.com>
On Thu, Mar 01, 2018 at 06:40:04PM +0300, Alexey Budankov wrote:
> Hi,
>
> This patch prototypes exposing the type of context-switch-out event using
> PERF_RECORD_MISC_EXT_RESERVED bit for PERF_RECORD_SWITCH[_CPU_WIDE] records.
It would be better to define an actually named bit in perf_event.h.
It can be the same value.
Also we would need a patch for perf script / perf report -D to print this
information.
The rest looks good to me.
-Andi
next prev parent reply other threads:[~2018-03-01 18:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-01 15:40 [RFC PATCH] perf/core: exposing type of context-switch-out event Alexey Budankov
2018-03-01 18:08 ` Andi Kleen [this message]
2018-03-01 19:19 ` Milian Wolff
2018-03-01 19:36 ` Andi Kleen
2018-03-01 20:57 ` Milian Wolff
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