From: "David S. Ahern" <daahern@cisco.com>
To: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] perf tools: Add reference timestamp to perf header
Date: Mon, 13 Dec 2010 12:15:11 -0700 [thread overview]
Message-ID: <4D0670BF.6050403@cisco.com> (raw)
In-Reply-To: <20101213190831.GA7984@ghostprotocols.net>
> We have:
>
> [acme@mica linux]$ perf list | grep -- -clock
> cpu-clock [Software event]
> task-clock [Software event]
> [acme@mica linux]$
>
> So we would have a new one:
>
> monotonic-clock
Name seems off. The 'event' is to grab time-of-day and have the 'time'
attribute set which gives the correlation between wall-clock and perf
timestamps.
David
>
> Peter, agreed? I'll try to implement it now, good opportunity to learn a
> bit more about soft pmus, I'd have to do that anyway for NIC stats, etc.
>
> - Arnaldo
next prev parent reply other threads:[~2010-12-13 19:15 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-08 1:54 [PATCH 0/2] perf tools: add reference timestamp and use it in time history dump David Ahern
2010-12-08 1:54 ` [PATCH 1/2] perf tools: Add reference timestamp to perf header David Ahern
2010-12-12 20:16 ` Frederic Weisbecker
2010-12-13 13:15 ` Arnaldo Carvalho de Melo
2010-12-13 16:58 ` Arnaldo Carvalho de Melo
2010-12-13 14:39 ` David S. Ahern
2010-12-13 15:54 ` Frederic Weisbecker
2010-12-13 16:48 ` Arnaldo Carvalho de Melo
2010-12-13 17:09 ` Frederic Weisbecker
2010-12-13 17:11 ` Peter Zijlstra
2010-12-13 17:13 ` Peter Zijlstra
2010-12-13 17:23 ` Frederic Weisbecker
2010-12-13 17:37 ` Peter Zijlstra
2010-12-13 17:50 ` Frederic Weisbecker
2010-12-13 17:15 ` Frederic Weisbecker
2010-12-13 17:18 ` Peter Zijlstra
2010-12-13 17:22 ` Arnaldo Carvalho de Melo
2010-12-13 17:35 ` Peter Zijlstra
2010-12-13 17:43 ` Arnaldo Carvalho de Melo
2010-12-13 17:51 ` Peter Zijlstra
2010-12-13 18:05 ` Frederic Weisbecker
2010-12-13 18:10 ` Peter Zijlstra
2010-12-13 17:47 ` Peter Zijlstra
2010-12-13 17:49 ` David S. Ahern
2010-12-13 17:57 ` Peter Zijlstra
2010-12-13 18:01 ` David S. Ahern
2010-12-13 18:06 ` Peter Zijlstra
2010-12-13 18:20 ` David S. Ahern
2010-12-13 19:08 ` Arnaldo Carvalho de Melo
2010-12-13 19:15 ` David S. Ahern [this message]
2010-12-13 19:22 ` Peter Zijlstra
2010-12-13 19:17 ` Peter Zijlstra
2010-12-13 17:48 ` Peter Zijlstra
2010-12-13 17:14 ` Arnaldo Carvalho de Melo
2010-12-13 17:36 ` David S. Ahern
2010-12-13 17:51 ` Arnaldo Carvalho de Melo
2010-12-08 1:54 ` [PATCH 2/2] perf tools: Add option to show time history of event samples David Ahern
2010-12-08 21:06 ` Arnaldo Carvalho de Melo
2010-12-12 21:32 ` Frederic Weisbecker
2010-12-09 17:18 ` [PATCH 0/2] perf tools: add reference timestamp and use it in time history dump Arnaldo Carvalho de Melo
2010-12-12 21:39 ` Frederic Weisbecker
-- strict thread matches above, loose matches on Subject: below --
2010-11-29 23:07 [PATCH 0/2] perf tools: reference timestamp and " David Ahern
2010-11-29 23:07 ` [PATCH 1/2] perf tools: add reference timestamp to perf header David Ahern
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