Re: [PATCH] perf/amd/ibs: Make IBS a core pmu

[Ravi Bangoria <ravi.bangoria@amd.com>]

On 16-Nov-22 11:15 AM, Ravi Bangoria wrote:
> On 15-Nov-22 10:37 PM, Ian Rogers wrote:
>> On Tue, Nov 15, 2022 at 1:39 AM Ravi Bangoria <ravi.bangoria@amd.com> wrote:
>>>
>>> So far, only one pmu was allowed to be registered as core pmu and thus
>>> IBS pmus were being registered as uncore. However, with the event context
>>> rewrite, that limitation no longer exists and thus IBS pmus can also be
>>> registered as core pmu. This makes IBS much more usable, for ex, user
>>> will be able to do per-process precise monitoring on AMD:
>>>
>>> Before patch:
>>>   $ sudo perf record -e cycles:pp ls
>>>   Error:
>>>   Invalid event (cycles:pp) in per-thread mode, enable system wide with '-a'
>>>
>>> After patch:
>>>   $ sudo perf record -e cycles:pp ls
>>>   [ perf record: Woken up 1 times to write data ]
>>>   [ perf record: Captured and wrote 0.017 MB perf.data (33 samples) ]
>>>
>>> Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
>>
>> Acked-by: Ian Rogers <irogers@google.com>
>>
>> This is awesome!
>> Ian
> 
> Thanks Ian.
> 
> Peter, can we push this along with rewrite patch?

Gentle Ping, Peter!

Thanks,
Ravi