linux-riscv.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Namhyung Kim <namhyung@kernel.org>
To: Inochi Amaoto <inochiama@outlook.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	 Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	 Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,  Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	 Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	 Albert Ou <aou@eecs.berkeley.edu>,
	Nikita Shubin <n.shubin@yadro.com>,
	linux-kernel@vger.kernel.org,  linux-perf-users@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: Re: [PATCH V3] perf vendor events riscv: add T-HEAD C9xx JSON file
Date: Fri, 23 Jun 2023 17:17:35 -0700	[thread overview]
Message-ID: <CAM9d7cjtisDVPijfU=iEGxc0YF=RnAt+r18Jg+8Av-+RAO=jeg@mail.gmail.com> (raw)
In-Reply-To: <IA1PR20MB4953FCC20C89F2659EB34896BB7F9@IA1PR20MB4953.namprd20.prod.outlook.com>

Hello,

On Thu, May 18, 2023 at 2:50 AM Inochi Amaoto <inochiama@outlook.com> wrote:
>
> > licheerv # perf record
> > [  432.015618] watchdog: BUG: soft lockup - CPU#0 stuck for 26s!
> > [perf:117]
> > [  460.015617] watchdog: BUG: soft lockup - CPU#0 stuck for 52s!
> > [perf:117]
> > [  488.015616] watchdog: BUG: soft lockup - CPU#0 stuck for 78s!
> > [perf:117]
> > [  516.015617] watchdog: BUG: soft lockup - CPU#0 stuck for 104s!
> > [perf:117]
> >
> > But that's not related to your patch anyway.
>
> Same issue on c920, but it did not always occur.
> Like a sbi issue for T-HEAD cpus.
>
> > I am strongly against using "c9xx" wildcard, i would prefer declaring
> > them separate (especially taking in mind that c920 is c910 with vector
> > - AFAIK), but that's up to Arnaldo to decide.
>
> AFAIK, there is no reliable way to distinguish c906 and c910 cores. And
> the events of c910 and c920 are the same (according to the draft document
> of the c920).
>
> Anyway, I agree to let Arnaldo decide.
>
> > Tested-by: Nikita Shubin <n.shubin@yadro.com>

I'm collecting patches on behalf of Arnaldo this time.
It seems this patch was not picked up for a long time.

I think we can make changes for the c9xx wildcard later
if needed.  I'll process it in the current form.

Thanks,
Namhyung

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2023-06-24  0:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-17  7:12 [PATCH V3] perf vendor events riscv: add T-HEAD C9xx JSON file Inochi Amaoto
2023-05-18 12:09 ` Nikita Shubin
2023-05-18  9:48   ` Inochi Amaoto
2023-06-24  0:17     ` Namhyung Kim [this message]
2023-06-24  1:32       ` Inochi Amaoto
2023-06-24  4:35         ` Namhyung Kim
2023-06-24  6:42           ` Inochi Amaoto
2023-06-24  8:54           ` Conor Dooley
2023-06-26 23:14             ` Namhyung Kim
2023-06-27  8:40   ` Atish Patra
2023-06-27 11:51     ` Nikita Shubin
2023-06-22  0:11 ` Palmer Dabbelt

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAM9d7cjtisDVPijfU=iEGxc0YF=RnAt+r18Jg+8Av-+RAO=jeg@mail.gmail.com' \
    --to=namhyung@kernel.org \
    --cc=acme@kernel.org \
    --cc=adrian.hunter@intel.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=aou@eecs.berkeley.edu \
    --cc=inochiama@outlook.com \
    --cc=irogers@google.com \
    --cc=jolsa@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-perf-users@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=mingo@redhat.com \
    --cc=n.shubin@yadro.com \
    --cc=palmer@dabbelt.com \
    --cc=paul.walmsley@sifive.com \
    --cc=peterz@infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).