From: Yang Shi <shy828301@gmail.com>
To: Leo Yan <leo.yan@linaro.org>
Cc: James Clark <james.clark@arm.com>,
linux-perf-users@vger.kernel.org,
LAK <linux-arm-kernel@lists.infradead.org>,
coresight@lists.linaro.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
mathieu.poirier@linaro.org, adrian.hunter@intel.com,
Jiri Olsa <jolsa@kernel.org>,
acme@redhat.com, mike.leach@linaro.org,
Will Deacon <will@kernel.org>,
suzuki.poulose@arm.com, yang@os.amperecomputing.com
Subject: Re: [BUG] perf: No samples found when using kcore + coresight
Date: Mon, 27 Mar 2023 17:53:04 -0700 [thread overview]
Message-ID: <CAHbLzkqMZMB7sGLbJk82CpE9cssEU+WZYaXhVTVC-B40bY52jw@mail.gmail.com> (raw)
In-Reply-To: <20230314003610.GD2426758@leoy-yangtze.lan>
Hi Leo,
Just follow up on this one. Any update?
Thanks,
Yang
On Mon, Mar 13, 2023 at 5:36 PM Leo Yan <leo.yan@linaro.org> wrote:
>
> On Mon, Mar 13, 2023 at 11:15:44AM -0700, Yang Shi wrote:
>
> [...]
>
> > > Just a quick summary, here we have two issues:
> > >
> > > - With command:
> > > perf record -e cs_etm/@tmc_etf63/k --kcore --per-thread \
> > > -- taskset --cpu-list 1 uname",
> > >
> > > perf doesn't enable "text poke" attribution.
> >
> > No, it enables "text poke" and perf fails to decode coresight trace
> > data too. It doesn't matter whether "--kcore" is after or before "-e
> > cs/etm/@tmc_etf63/k".
>
> Understand now. Thanks for correction, if so we can ignore this one.
>
> Leo
next prev parent reply other threads:[~2023-03-28 0:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAHbLzkrJQTrYBtPkf=jf3OpQ-yBcJe7XkvQstX9j2frz4WF-SQ@mail.gmail.com>
2023-03-07 10:32 ` [BUG] perf: No samples found when using kcore + coresight James Clark
2023-03-07 19:45 ` Yang Shi
2023-03-08 19:56 ` Yang Shi
2023-03-09 11:38 ` Leo Yan
[not found] ` <CAHbLzkpvLHnyL5J5kB_ke3CWVq2=MOEdEQsGex56+Esfgqh1=g@mail.gmail.com>
2023-03-13 12:14 ` Leo Yan
2023-03-13 18:15 ` Yang Shi
2023-03-14 0:36 ` Leo Yan
2023-03-28 0:53 ` Yang Shi [this message]
2023-03-28 8:59 ` James Clark
2023-03-28 16:16 ` Yang Shi
2023-03-29 16:08 ` James Clark
2023-03-29 23:25 ` Yang Shi
2023-03-30 8:17 ` James Clark
2023-03-29 16:11 ` James Clark
2023-03-30 10:36 ` James Clark
2023-03-30 19:54 ` Yang Shi
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