From: "Liang, Kan" <kan.liang@linux.intel.com>
To: laksono <laksono@gmail.com>, Namhyung Kim <namhyung@kernel.org>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: Intel SPR: perf-record doesn't support topdown events?
Date: Wed, 30 Oct 2024 08:57:19 -0400 [thread overview]
Message-ID: <70f80f3a-caa6-4c30-ada7-a10af12c79b8@linux.intel.com> (raw)
In-Reply-To: <CALwKgupNAgc_jEinqsYmH_n-u_JsSOrjmY9k-33VAVrVVL3M=w@mail.gmail.com>
On 2024-10-29 9:00 p.m., laksono wrote:
> Hi Namhyung
>
> On Tue, Oct 29, 2024 at 7:02 PM Namhyung Kim <namhyung@kernel.org> wrote:
>>
>> I guess you need the leader sampling with 'S' modifier.
>>
>> $ perf record -e '{slots,topdown-be-bound}:S' ...
>>
> Unfortunately, it doesn't work for me:
The issue should have been fixed by the below patch set.
https://lore.kernel.org/lkml/20240913084712.13861-1-dapeng1.mi@linux.intel.com/
You may have to use the latest perf-tools-next branch.
Thanks,
Kan
>
> $ perf record -e '{slots,topdown-be-bound}:S' ...
> Error:
> The sys_perf_event_open() syscall returned with 22 (Invalid argument)
> for event (topdown-be-bound).
> /bin/dmesg | grep -i perf may provide additional information.
>
> Regards
>
> Laksono
>
prev parent reply other threads:[~2024-10-30 12:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-22 16:40 Intel SPR: perf-record doesn't support topdown events? laksono
2024-10-30 0:02 ` Namhyung Kim
2024-10-30 1:00 ` laksono
2024-10-30 12:57 ` Liang, Kan [this message]
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