From: Peter Zijlstra <peterz@infradead.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexis Berlemont <alexis.berlemont@gmail.com>,
linux-kernel@vger.kernel.org, mingo@redhat.com,
alexander.shishkin@linux.intel.com
Subject: Re: [PATCH 1/2] perf, x86-mm: Add exit-fault tracing
Date: Thu, 27 Oct 2016 10:38:02 +0200 [thread overview]
Message-ID: <20161027083802.GG3568@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20161026185339.GC4704@kernel.org>
On Wed, Oct 26, 2016 at 04:53:39PM -0200, Arnaldo Carvalho de Melo wrote:
> Em Wed, Oct 26, 2016 at 10:51:16AM +0200, Peter Zijlstra escreveu:
> > On Wed, Oct 26, 2016 at 01:51:59AM +0200, Alexis Berlemont wrote:
> >
> > -ENOCHANGELOG
>
> Yeah, please add one explaining why we want this, how we can use it, for
> example, in 'perf trace', to measure how long each page fault took,
> examples of it in use, etc.
Note that 'to measure page-fault duration' is not a reason, its a what.
This needs a proper reason.
next prev parent reply other threads:[~2016-10-27 14:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-25 23:51 [PATCH 0/2] perf: measure page fault duration in perf trace Alexis Berlemont
2016-10-25 23:51 ` [PATCH 1/2] perf, x86-mm: Add exit-fault tracing Alexis Berlemont
2016-10-26 8:51 ` Peter Zijlstra
2016-10-26 18:53 ` Arnaldo Carvalho de Melo
2016-10-27 8:37 ` Peter Zijlstra
2016-10-27 23:31 ` [PATCH v2] perf, x86-mm: declare page-faults tracepoints like irq-vectors ones Alexis Berlemont
2016-10-27 23:31 ` Alexis Berlemont
2016-11-18 0:21 ` [PATCH v3 0/2] perf: measure page fault duration in perf trace Alexis Berlemont
2016-12-05 23:40 ` Alexis Berlemont
2016-12-06 14:46 ` Arnaldo Carvalho de Melo
2016-11-18 0:21 ` [PATCH v3 1/2] perf, x86-mm: declare page-faults tracepoints like irq-vectors ones Alexis Berlemont
2016-11-18 0:21 ` [PATCH v3 2/2] perf: add page fault duration measures in perf trace Alexis Berlemont
2016-10-27 8:38 ` Peter Zijlstra [this message]
2016-10-25 23:52 ` [PATCH " Alexis Berlemont
2016-10-26 8:46 ` [PATCH 0/2] perf: measure page fault duration " Peter Zijlstra
2016-10-26 18:47 ` Arnaldo Carvalho de Melo
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