Re: [PATCH V2 1/2] perf: Sample additional clock value

[Adrian Hunter]

On 20/02/15 19:06, David Ahern wrote:
> On 2/20/15 5:44 AM, Adrian Hunter wrote:
>> diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
>> index efe2d2d..9385140 100644
>> --- a/include/linux/perf_event.h
>> +++ b/include/linux/perf_event.h
>> @@ -655,7 +655,7 @@ extern void perf_pmu_migrate_context(struct pmu *pmu,
>>                   int src_cpu, int dst_cpu);
>>   extern u64 perf_event_read_value(struct perf_event *event,
>>                    u64 *enabled, u64 *running);
>> -
>> +u64 perf_sample_clock_pt(void);
> 
> Core functions should not be arch specific. PT == x86.

Actually it was one of the ARM guys that asked for it to be called
"Processor Trace". It was "arch" in V1.

	http://marc.info/?l=linux-kernel&m=142436891806015

But it has been superseded completely by patches from Peter, so it
is not going further anyway.

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