On 15/04/2021 22:54, Mathieu Poirier wrote:
> On Wed, Apr 14, 2021 at 05:39:19PM +0300, James Clark wrote:
>> The following attribute is set when synthesising samples in
>> timed decoding mode:
>>
>> attr.sample_type |= PERF_SAMPLE_TIME;
>>
>> This results in new samples that appear to have
On 15/04/2021 17:33, Leo Yan wrote:
> Hi James,
>
> On Thu, Apr 15, 2021 at 03:51:46PM +0300, James Clark wrote:
>
> [...]
>
>>> For the orignal perf data file with "--per-thread" option, the decoder
>>> runs into the condition for "etm->timeless_decoding"; and it doesn't
>>> contain ETM
On Wed, Apr 14, 2021 at 05:39:19PM +0300, James Clark wrote:
> The following attribute is set when synthesising samples in
> timed decoding mode:
>
> attr.sample_type |= PERF_SAMPLE_TIME;
>
> This results in new samples that appear to have timestamps but
> because we don't assign any
Hi James,
On Thu, Apr 15, 2021 at 03:51:46PM +0300, James Clark wrote:
[...]
> > For the orignal perf data file with "--per-thread" option, the decoder
> > runs into the condition for "etm->timeless_decoding"; and it doesn't
> > contain ETM timestamp.
> >
> > Afterwards, the injected perf data
On 15/04/2021 15:39, Leo Yan wrote:
> On Wed, Apr 14, 2021 at 05:41:46PM +0300, James Clark wrote:
>> Hi,
>>
>> For this change, I also tried removing the setting of PERF_SAMPLE_TIME in
>> cs_etm__synth_events(). In theory, this would remove the sorting when
>> opening the file, but the
On Wed, Apr 14, 2021 at 05:41:46PM +0300, James Clark wrote:
> Hi,
>
> For this change, I also tried removing the setting of PERF_SAMPLE_TIME in
> cs_etm__synth_events(). In theory, this would remove the sorting when opening
> the file, but the change doesn't affect when the built-in events are
Hi James,
On Wed, Apr 14, 2021 at 05:39:19PM +0300, James Clark wrote:
> The following attribute is set when synthesising samples in
> timed decoding mode:
>
> attr.sample_type |= PERF_SAMPLE_TIME;
>
> This results in new samples that appear to have timestamps but
> because we don't assign
On 14/04/2021 15:39, James Clark wrote:
The following attribute is set when synthesising samples in
timed decoding mode:
attr.sample_type |= PERF_SAMPLE_TIME;
This results in new samples that appear to have timestamps but
because we don't assign any timestamps to the samples, when the
Hi,
For this change, I also tried removing the setting of PERF_SAMPLE_TIME in
cs_etm__synth_events(). In theory, this would remove the sorting when opening
the file, but the change doesn't affect when the built-in events are saved to
the inject file. Resulting in events like MMAP and COMM with
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