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From: David Ahern <dsahern@gmail.com>
To: Pawel Moll <pawel.moll@arm.com>, Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Andi Kleen <ak@linux.intel.com>, Ingo Molnar <mingo@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jiri Olsa <jolsa@redhat.com>,
	Stephane Eranian <eranian@google.com>,
	"mathieu.poirier@linaro.org" <mathieu.poirier@linaro.org>
Subject: Re: [RFC PATCH] perf: Add PERF_RECORD_SWITCH to indicate context switches
Date: Fri, 12 Jun 2015 08:30:57 -0600	[thread overview]
Message-ID: <557AED21.30403@gmail.com> (raw)
In-Reply-To: <1434115713.1484.9.camel@arm.com>

On 6/12/15 7:28 AM, Pawel Moll wrote:
>> Thanks, that's clear then.  There will just need to be a flag to indicate
>> whether it is scheduling in or out.
>
> Just a thought: wouldn't it be good to know what CPU have we been
> scheduled from/to? This kind of information would be especially valuable
> in heterogeneous systems.

yes that is essential.


  parent reply	other threads:[~2015-06-12 14:31 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-09 14:21 [RFC PATCH] perf: Add PERF_RECORD_SWITCH to indicate context switches Adrian Hunter
2015-06-11 14:15 ` Peter Zijlstra
2015-06-11 16:34   ` Andi Kleen
2015-06-11 16:54     ` Peter Zijlstra
2015-06-12  0:47   ` David Ahern
2015-06-12 10:34     ` Adrian Hunter
2015-06-12 14:21       ` David Ahern
2015-06-12 16:13         ` Adrian Hunter
2015-06-12 11:12   ` Adrian Hunter
2015-06-12 12:09     ` Peter Zijlstra
2015-06-12 12:36       ` Arnaldo Carvalho de Melo
2015-06-12 13:15         ` Adrian Hunter
2015-06-12 13:28           ` Pawel Moll
2015-06-12 13:52             ` Pawel Moll
2015-06-12 14:30             ` David Ahern [this message]
2015-06-12 14:29     ` David Ahern

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