From: John Ettedgui <john.ettedgui@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: "“linux-btrfs@vger.kernel.org”" <linux-btrfs@vger.kernel.org>,
georgi-georgiev-btrfs@japannext.co.jp
Subject: Re: mount btrfs takes 30 minutes, btrfs check runs out of memory
Date: Thu, 30 Jul 2015 21:10:27 -0700 [thread overview]
Message-ID: <CAJ3TwYS_C9LDU4ffsqtih3Rus6HREuA+gkb0kPpV_JNSyL4Bmg@mail.gmail.com> (raw)
In-Reply-To: <55BADEC4.3020409@cn.fujitsu.com>
On Thu, Jul 30, 2015 at 7:34 PM, Qu Wenruo <quwenruo@cn.fujitsu.com> wrote:
>
>
> Hi John,
> Thanks for the trace output.
You are welcome, thank you for looking at it!
>
> But it seems that, your root partition is also btrfs, causing a lot of btrfs
> trace from your systemd journal.
>
Oh yes sorry about that.
I actually have 3 partition in btrfs, the problematic one being the
only big one.
> Would you mind re-collecting the ftrace without such logging system caused
> btrfs trace?
Sure, how would I do that?
This is my first time using ftrace.
>
> BTW, although I'm not quite familiar with ftrace, would you please consider
> collect ftrace with function_graph tracer?
Sure, how would I do that one as well?
(I'll look these up in the meantime, I just want to make sure to not
give you something not useful again).
> That would help a lot to find which takes the most time.
> But it may trace too much things and maybe hard to read.
>
> Thanks,
> Qu
Great, thank you!
next prev parent reply other threads:[~2015-07-31 4:10 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAJ3TwYQXqUZiKhYc5rciTmvGX1RLkHnkQb5SSYAJ7AD+kbudag@mail.gmail.com>
2015-07-31 2:34 ` mount btrfs takes 30 minutes, btrfs check runs out of memory Qu Wenruo
2015-07-31 4:10 ` John Ettedgui [this message]
2015-08-02 5:44 ` Georgi Georgiev
[not found] ` <CAJ3TwYRN+1tJY+paz=qZT0_XP=r9CcTKbBgX_kZRFOWj8vSK=w@mail.gmail.com>
2015-07-31 4:52 ` Qu Wenruo
[not found] ` <CAJ3TwYR5g-JhjmGnZUXqLXc7qV1_=AN5_6sj54JQODbtgG9Aag@mail.gmail.com>
2015-07-31 5:40 ` Qu Wenruo
2015-07-31 5:45 ` John Ettedgui
2015-08-01 4:35 ` John Ettedgui
2015-08-01 10:05 ` Russell Coker
2015-08-04 1:39 ` Qu Wenruo
2015-08-04 1:55 ` John Ettedgui
2015-08-04 2:31 ` John Ettedgui
2015-08-04 3:01 ` Qu Wenruo
2015-08-04 4:58 ` John Ettedgui
2015-08-04 6:47 ` Duncan
2015-08-04 11:28 ` Austin S Hemmelgarn
2015-08-04 17:36 ` John Ettedgui
2015-08-05 11:30 ` Austin S Hemmelgarn
2015-08-13 22:38 ` Vincent Olivier
2015-08-13 23:19 ` Chris Murphy
2015-08-14 0:30 ` Duncan
2015-08-14 2:42 ` Vincent Olivier
2015-08-18 17:36 ` Vincent Olivier
2015-08-14 2:39 ` Vincent Olivier
[not found] ` <CAJ3TwYSW+SvbBrh1u_x+c3HTRx03qSR6BoH5cj_VzCXxZYv6EA@mail.gmail.com>
2016-07-15 3:56 ` Qu Wenruo
[not found] ` <CAJ3TwYRXwDVVfT0TRRiM9dEw-7TvY8qG=WvMYKczZOv6wkFWAQ@mail.gmail.com>
2016-07-15 5:24 ` Qu Wenruo
2016-07-15 6:56 ` Kai Krakow
[not found] ` <CAJ3TwYSTnQfj=qmBLtnmtXQKexMMD4x=9Gk3p3anf4uF+G26kw@mail.gmail.com>
[not found] ` <CAJ3TwYTnMPVwkrZEU-=Q_Nq+9Bn0vM3z+EFC8RP=RTyaufSoqw@mail.gmail.com>
2016-07-18 1:13 ` Qu Wenruo
[not found] ` <CAJ3TwYRpc_R-wVur0T6+Uy_aPVXTGpvp_ag1Ar9K2HoB0H1ySQ@mail.gmail.com>
2016-07-18 8:41 ` Qu Wenruo
[not found] ` <CAJ3TwYRH8JVkuv2Hu7FYb+BSwKGrq1spx079zwOF_FO1y=9NFA@mail.gmail.com>
2016-07-18 9:07 ` Qu Wenruo
2016-07-18 15:31 ` Duncan
[not found] ` <CAJ3TwYS6UTkWf=PNku3RG7hPrXMKz3yhk2WqCRLix4v_VwgrmA@mail.gmail.com>
2016-07-21 8:10 ` Qu Wenruo
[not found] ` <CAJ3TwYQ47SVpbO1Pb-TWjhaTCCpMFFmijwTgmV8=7+1_a6_3Ww@mail.gmail.com>
2016-07-21 8:19 ` Qu Wenruo
2016-07-21 15:47 ` Graham Cobb
2017-04-10 0:52 ` Qu Wenruo
2018-02-13 10:21 ` John Ettedgui
2018-02-13 11:04 ` Qu Wenruo
2018-02-13 11:25 ` John Ettedgui
2018-02-13 11:40 ` Qu Wenruo
2018-02-13 12:06 ` John Ettedgui
2018-02-13 12:46 ` Qu Wenruo
2018-02-13 12:52 ` John Ettedgui
2018-02-13 12:26 ` Holger Hoffstätte
2018-02-13 12:54 ` Qu Wenruo
2018-02-13 16:24 ` Holger Hoffstätte
2018-02-14 0:43 ` Qu Wenruo
2016-07-15 11:29 ` Christian Rohmann
2016-07-16 23:53 ` Qu Wenruo
2016-07-18 13:42 ` Josef Bacik
2016-07-19 0:35 ` Qu Wenruo
2016-07-25 13:01 ` David Sterba
2016-07-25 13:38 ` Josef Bacik
2015-08-04 14:38 ` Chris Murphy
2015-07-29 5:46 Georgi Georgiev
2015-07-29 6:19 ` Qu Wenruo
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