On Wed, Apr 07, 2021 at 04:28:40PM +0300, Adrian Hunter wrote:
> On 7/04/21 4:15 pm, Leo Yan wrote:
> > Hi Al,
> >
> > On Tue, Apr 06, 2021 at 09:38:32AM +, Al Grant wrote:
> >
> > [...]
> >
> >>> This patch set is to enable timestamp for Arm SPE trace. It reads out TSC
> >>> parameters fro
On 7/04/21 4:15 pm, Leo Yan wrote:
> Hi Al,
>
> On Tue, Apr 06, 2021 at 09:38:32AM +, Al Grant wrote:
>
> [...]
>
>>> This patch set is to enable timestamp for Arm SPE trace. It reads out TSC
>>> parameters from mmap page and stores into auxtrace info structure;
>>
>> Why not synthesize a P
Hi Al,
On Tue, Apr 06, 2021 at 09:38:32AM +, Al Grant wrote:
[...]
> > This patch set is to enable timestamp for Arm SPE trace. It reads out TSC
> > parameters from mmap page and stores into auxtrace info structure;
>
> Why not synthesize a PERF_RECORD_TIME_CONV - isn't that specifically t
a ;
> Namhyung Kim ; Adrian Hunter
> ; linux-arm-ker...@lists.infradead.org; linux-
> ker...@vger.kernel.org
> Cc: leo....@linaro.org
> Subject: [PATCH v2 0/7] perf arm-spe: Enable timestamp
>
> As we know, the timestamp is important for AUX trace; it's mainly used to
>
As we know, the timestamp is important for AUX trace; it's mainly used
to correlate between perf events and AUX trace, allows to generate
events with time ordered manner. There have several good examples of
enabling timestamp for AUX trace (like Intel-pt, Intel-bts, etc).
Since the conversion bet
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