From: Arjan van de Ven <arjan@linux.intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
Pierre Tardy <tardyp@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Jean Pihet <jean.pihet@newoldbits.com>,
Steven Rostedt <rostedt@goodmis.org>,
linux-perf-users@vger.kernel.org,
linux-trace-users@vger.kernel.org, Frank Eigler <fche@redhat.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Tejun Heo <tj@kernel.org>,
linux-pm@lists.linux-foundation.org, linux-omap@vger.kernel.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__35192.7740070552$1286544125$gmane$org@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: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1286205661-24448-1-git-send-email-jean.pihet@newoldbits.com>
2010-10-04 15:20 ` [PATCH 1/4] perf: cleanup power events API Jean Pihet
2010-10-04 15:20 ` [PATCH 2/4] perf: add OMAP support for the new power events Jean Pihet
2010-10-04 15:21 ` [PATCH 3/4] perf: add calls to suspend trace point Jean Pihet
2010-10-04 15:21 ` [PATCH 4/4] perf: provide a DEPRECTAED power trace API to user space Jean Pihet
[not found] ` <1286205661-24448-5-git-send-email-jean.pihet@newoldbits.com>
2010-10-04 16:10 ` Frank Ch. Eigler
[not found] ` <20101004161051.GF16489@redhat.com>
2010-10-04 16:47 ` Jean Pihet
[not found] ` <1286205661-24448-3-git-send-email-jean.pihet@newoldbits.com>
2010-10-04 19:45 ` [PATCH 2/4] perf: add OMAP support for the new power events Thomas Renninger
[not found] ` <1286205661-24448-4-git-send-email-jean.pihet@newoldbits.com>
2010-10-04 22:52 ` [PATCH 3/4] perf: add calls to suspend trace point Rafael J. Wysocki
2010-10-06 21:34 ` PATCH [0/4] perf: clean-up of power events API Thomas Renninger
[not found] ` <201010062334.46971.trenn@suse.de>
2010-10-07 15:08 ` Mathieu Desnoyers
[not found] ` <20101007150825.GB12581@Krystal>
2010-10-07 15:23 ` Pierre Tardy
2010-10-07 15:23 ` Pierre Tardy
[not found] ` <AANLkTikT4xsh7iCQDX8ksewJwC-BeFov=Ab7iYo+hDmO@mail.gmail.com>
2010-10-07 15:45 ` Steven Rostedt
2010-10-07 15:58 ` Frederic Weisbecker
[not found] ` <20101007155816.GA5351@nowhere>
2010-10-07 16:10 ` Pierre Tardy
2010-10-08 8:14 ` Tejun Heo
[not found] ` <4CAED2F0.9080801@kernel.org>
2010-10-08 8:38 ` Ingo Molnar
[not found] ` <20101008083819.GA22385@elte.hu>
2010-10-08 13:17 ` Arjan van de Ven [this message]
[not found] ` <4CAF19E7.3070103@linux.intel.com>
2010-10-08 13:41 ` Mathieu Desnoyers
[not found] ` <20101008134156.GA28724@Krystal>
2010-10-08 16:22 ` Arjan van de Ven
[not found] ` <4CAF4554.7070303@linux.intel.com>
2010-10-08 17:21 ` Steven Rostedt
2010-10-08 17:32 ` Mathieu Desnoyers
[not found] ` <1286558495.6661.822.camel@gandalf.stny.rr.com>
2010-10-08 17:49 ` Frank Ch. Eigler
[not found] ` <20101008174914.GD17865@redhat.com>
2010-10-08 18:11 ` Steven Rostedt
2010-10-09 6:28 ` Ingo Molnar
[not found] ` <20101009062836.GB5517@elte.hu>
2010-10-09 8:14 ` Pierre Tardy
2010-10-09 16:19 ` Arjan van de Ven
[not found] ` <AANLkTik6nO4i6xTuVYA9kBGFNpxYb70qimNcHPQKqTJ8@mail.gmail.com>
2010-10-09 18:36 ` Linus Torvalds
[not found] ` <AANLkTimT5Or7gLDMnmLqSzmUoPux0pXrPxUZQpFon+6_@mail.gmail.com>
2010-10-09 21:15 ` Steven Rostedt
[not found] ` <1286658935.23994.3366.camel@gandalf.stny.rr.com>
2010-10-09 23:20 ` Linus Torvalds
2010-10-10 1:39 ` Steven Rostedt
[not found] ` <1286674768.23994.3915.camel@gandalf.stny.rr.com>
2010-10-10 6:41 ` Peter Zijlstra
[not found] ` <1286692881.1998.10.camel@laptop>
2010-10-10 15:11 ` Steven Rostedt
2010-10-18 12:15 ` Jean Pihet
[not found] ` <4CB095FA.8060803@linux.intel.com>
2010-10-09 21:34 ` Steven Rostedt
2010-10-10 12:19 ` Ingo Molnar
[not found] ` <20101010121928.GA2688@elte.hu>
2010-10-19 11:31 ` Thomas Renninger
[not found] ` <201010191331.03080.trenn@suse.de>
2010-10-19 11:45 ` Ingo Molnar
[not found] ` <20101019114501.GA25371@elte.hu>
2010-10-19 11:47 ` Peter Zijlstra
[not found] ` <1287488841.1994.5.camel@twins>
2010-10-19 11:52 ` Ingo Molnar
2010-10-19 13:27 ` Arjan van de Ven
[not found] ` <4CBD9CDD.1010300@linux.intel.com>
2010-10-19 13:50 ` Ingo Molnar
[not found] ` <20101019135053.GA665@elte.hu>
2010-10-19 13:52 ` Arjan van de Ven
[not found] ` <4CBDA2B6.9000405@linux.intel.com>
2010-10-19 14:51 ` Ingo Molnar
2010-10-07 15:45 ` Jean Pihet
2010-10-07 15:49 ` Thomas Renninger
[not found] ` <201010071749.35235.trenn@suse.de>
2010-10-07 15:56 ` Jean Pihet
2010-10-04 15:20 Jean Pihet
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