Re: [PATCH 1/2] PERF(kernel): Cleanup power events [LWN.net]

From:		Arjan van de Ven <arjan-AT-linux.intel.com>
To:		Thomas Renninger <trenn-AT-suse.de>
Subject:		Re: [PATCH 1/2] PERF(kernel): Cleanup power events
Date:		Fri, 01 Oct 2010 08:51:33 -0700
Message-ID:		<4CA60385.6040405@linux.intel.com>
Cc:		linux-trace-users-AT-vger.kernel.org, linux-pm-AT-lists.linux-foundation.org, linux-perf-users-AT-vger.kernel.org, mingo-AT-elte.hu, rjw-AT-sisk.pl, jean.pihet-AT-newoldbits.com, Peter Zijlstra <peterz-AT-infradead.org>, Kevin Hilman <khilman-AT-deeprootsystems.com>, Steven Rostedt <rostedt-AT-goodmis.org>, Frank Eigler <fche-AT-redhat.com>
Archive-link:		Article, Thread

  On 10/1/2010 8:04 AM, Thomas Renninger wrote:
> New power trace events:
> power:processor_idle
> power:processor_frequency
> power:machine_suspend
>
>
> C-state/idle accounting events:
>    power:power_start
>    power:power_end
> are replaced with:
>    power:processor_idle
>
> and
>    power:power_frequency
> is replaced with:
>    power:processor_frequency
>
> power:machine_suspend
> is newly introduced, a first implementation
> comes from the ARM side, but it's easy to add these events
> in X86 as well if needed.
>
> the type= field got removed from both, it was never
> used and the type is differed by the event type itself.
>
> perf timechart
> userspace tool gets adjusted in a separate patch.
>
> Signed-off-by: Thomas Renninger<trenn@suse.de>
> CC: Jean Pihet<jean.pihet@newoldbits.com>
> CC: Arjan van de Ven<arjan@linux.intel.com>


As before, strong NACK from me before, this is an ABI break.

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