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

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On Fri, Oct 01, 2010 at 08:51:33AM -0700, Arjan van de Ven wrote:
>  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@xxxxxxx>
>> CC: Jean Pihet<jean.pihet@xxxxxxxxxxxxxx>
>> CC: Arjan van de Ven<arjan@xxxxxxxxxxxxxxx>
> As before, strong NACK from me before, this is an ABI break.

Yeah. I wish we can keep power_start and power_end events,
at least for some time.

I know this is very ugly, but this is the only solution if
we want to conciliate forward progress and backward

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