From: Arjan van de Ven <arjan@linux.intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Tejun Heo <tj@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Pierre Tardy <tardyp@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Thomas Renninger <trenn@suse.de>,
Jean Pihet <jean.pihet@newoldbits.com>,
linux-trace-users@vger.kernel.org,
linux-pm@lists.linux-foundation.org,
linux-perf-users@vger.kernel.org, rjw@sisk.pl,
linux-omap@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
Kevin Hilman <khilman@deeprootsystems.com>,
Steven Rostedt <rostedt@goodmis.org>,
Frank Eigler <fche@redhat.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: PATCH [0/4] perf: clean-up of power events API
Date: Fri, 08 Oct 2010 06:17:27 -0700 [thread overview]
Message-ID: <4CAF19E7.3070103@linux.intel.com> (raw)
In-Reply-To: <20101008083819.GA22385@elte.hu>
On 10/8/2010 1:38 AM, Ingo Molnar wrote:
>
> The fundamental thing about tracing/instrumentation is that there are no
> deep ABI needs: it's all about analyzing development kernels (and a few
> select versions that get the enterprise treatment) but otherwise the
> half-life of this kind of information is very short.
>
> So we dont want to tie ourselves down with excessive ABIs.
>
ok I'll start working on a second mechanism then to export information
that applications need ;-(
it'll look a lot like tracing I suppose ;-(
next prev parent reply other threads:[~2010-10-08 13:17 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-04 15:20 PATCH [0/4] perf: clean-up of power events API Jean Pihet
2010-10-04 15:20 ` [PATCH 1/4] perf: cleanup " Jean Pihet
2010-10-04 15:20 ` Jean Pihet
2010-10-04 15:20 ` [PATCH 2/4] perf: add OMAP support for the new power events Jean Pihet
2010-10-04 19:45 ` Thomas Renninger
2010-10-04 19:45 ` Thomas Renninger
2010-10-04 15:20 ` Jean Pihet
2010-10-04 15:21 ` [PATCH 3/4] perf: add calls to suspend trace point Jean Pihet
2010-10-04 15:21 ` Jean Pihet
2010-10-04 22:52 ` Rafael J. Wysocki
2010-10-04 22:52 ` Rafael J. Wysocki
2010-10-04 15:21 ` [PATCH 4/4] perf: provide a DEPRECTAED power trace API to user space Jean Pihet
2010-10-04 16:10 ` Frank Ch. Eigler
2010-10-04 16:10 ` Frank Ch. Eigler
2010-10-04 16:47 ` Jean Pihet
2010-10-04 16:47 ` Jean Pihet
2010-10-04 15:21 ` Jean Pihet
2010-10-06 21:34 ` PATCH [0/4] perf: clean-up of power events API Thomas Renninger
2010-10-07 15:08 ` Mathieu Desnoyers
2010-10-07 15:08 ` Mathieu Desnoyers
2010-10-07 15:23 ` Pierre Tardy
2010-10-07 15:23 ` Pierre Tardy
2010-10-07 15:23 ` Pierre Tardy
2010-10-07 15:45 ` Steven Rostedt
2010-10-07 15:45 ` Steven Rostedt
2010-10-07 15:58 ` Frederic Weisbecker
2010-10-07 15:58 ` Frederic Weisbecker
2010-10-07 16:10 ` Pierre Tardy
2010-10-07 16:10 ` Pierre Tardy
2010-10-08 8:14 ` Tejun Heo
2010-10-08 8:14 ` Tejun Heo
2010-10-08 8:38 ` Ingo Molnar
2010-10-08 13:17 ` Arjan van de Ven [this message]
2010-10-08 13:41 ` Mathieu Desnoyers
2010-10-08 16:22 ` Arjan van de Ven
2010-10-08 17:21 ` Steven Rostedt
2010-10-08 17:49 ` Frank Ch. Eigler
2010-10-08 17:49 ` Frank Ch. Eigler
2010-10-08 18:11 ` Steven Rostedt
2010-10-08 18:11 ` Steven Rostedt
2010-10-08 17:21 ` Steven Rostedt
2010-10-08 17:32 ` Mathieu Desnoyers
2010-10-08 17:32 ` Mathieu Desnoyers
2010-10-08 16:22 ` Arjan van de Ven
2010-10-09 6:28 ` Ingo Molnar
2010-10-09 6:28 ` Ingo Molnar
2010-10-09 8:14 ` Pierre Tardy
2010-10-09 18:36 ` Linus Torvalds
2010-10-09 18:36 ` Linus Torvalds
2010-10-09 21:15 ` Steven Rostedt
2010-10-09 23:20 ` Linus Torvalds
2010-10-10 1:39 ` Steven Rostedt
2010-10-10 1:39 ` Steven Rostedt
2010-10-10 6:41 ` Peter Zijlstra
2010-10-10 6:41 ` Peter Zijlstra
2010-10-10 15:11 ` Steven Rostedt
2010-10-10 15:11 ` Steven Rostedt
2010-10-09 21:15 ` Steven Rostedt
2010-10-18 12:15 ` Jean Pihet
2010-10-18 12:15 ` Jean Pihet
2010-10-09 8:14 ` Pierre Tardy
2010-10-09 16:19 ` Arjan van de Ven
2010-10-09 21:34 ` Steven Rostedt
2010-10-09 21:34 ` Steven Rostedt
2010-10-10 12:19 ` Ingo Molnar
2010-10-19 11:31 ` Thomas Renninger
2010-10-19 11:45 ` Ingo Molnar
2010-10-19 11:47 ` Peter Zijlstra
2010-10-19 11:52 ` Ingo Molnar
2010-10-19 11:52 ` Ingo Molnar
2010-10-19 13:27 ` Arjan van de Ven
2010-10-19 13:27 ` Arjan van de Ven
2010-10-19 13:50 ` Ingo Molnar
2010-10-19 13:50 ` Ingo Molnar
2010-10-19 13:52 ` Arjan van de Ven
2010-10-19 14:51 ` Ingo Molnar
2010-10-19 14:51 ` Ingo Molnar
2010-10-19 13:52 ` Arjan van de Ven
2010-10-19 11:47 ` Peter Zijlstra
2010-10-19 11:45 ` Ingo Molnar
2010-10-19 11:31 ` Thomas Renninger
2010-10-10 12:19 ` Ingo Molnar
2010-10-09 16:19 ` Arjan van de Ven
2010-10-08 13:41 ` Mathieu Desnoyers
2010-10-08 13:17 ` Arjan van de Ven
2010-10-08 8:38 ` Ingo Molnar
2010-10-07 15:45 ` Jean Pihet
2010-10-07 15:45 ` Jean Pihet
2010-10-07 15:49 ` Thomas Renninger
2010-10-07 15:56 ` Jean Pihet
2010-10-07 15:56 ` Jean Pihet
2010-10-07 15:49 ` Thomas Renninger
2010-10-06 21:34 ` Thomas Renninger
-- strict thread matches above, loose matches on Subject: below --
2010-10-04 15:20 Jean Pihet
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