From: "Chanho Park" <chanho61.park@samsung.com>
To: "'Sebastian Andrzej Siewior'" <bigeasy@linutronix.de>,
"'Vlastimil Babka'" <vbabka@suse.cz>
Cc: <linux-rt-users@vger.kernel.org>,
"'Thomas Gleixner'" <tglx@linutronix.de>
Subject: RE: hackbench score comparison between 5.10.75-rt47 and 5.14.14-rt21
Date: Tue, 16 Nov 2021 22:42:01 +0900 [thread overview]
Message-ID: <022001d7daef$bc333370$34999a50$@samsung.com> (raw)
In-Reply-To: <20211116094251.7nux2fwjn55pt5m5@linutronix.de>
Hi,
> -----Original Message-----
> From: 'Sebastian Andrzej Siewior' <bigeasy@linutronix.de>
> Sent: Tuesday, November 16, 2021 6:43 PM
> To: Vlastimil Babka <vbabka@suse.cz>
> Cc: Chanho Park <chanho61.park@samsung.com>; linux-rt-
> users@vger.kernel.org; 'Thomas Gleixner' <tglx@linutronix.de>
> Subject: Re: hackbench score comparison between 5.10.75-rt47 and 5.14.14-
> rt21
>
> On 2021-11-16 10:37:22 [+0100], Vlastimil Babka wrote:
> > On 11/12/21 15:00, 'Sebastian Andrzej Siewior' wrote:
> > > On 2021-11-05 10:41:40 [+0900], Chanho Park wrote:
> > >> Hi,
> > > Hi,
> > >
> > >> I checked the same test on my aarch64 target. I'll do more
> > >> realistic benchmark such as compile bench.
> > >>
> > >> <5.10.73-rt54 aarch64>
> > >> root@euto-v9-sadk:~# hackbench -l 10000
> > >> Time: 24.994
> > >>
> > >> <5.15.0-rt17 aarch64 w/o CONFIG_SLUB_CPU_PARTIAL>
> > >> root@euto-v9-sadk:~# hackbench -l 10000
> > >> Time: 31.372
> > >>
> > >> <5.15.0-rt17 aarch64 w/ CONFIG_SLUB_CPU_PARTIAL>
> > >> root@euto-v9-sadk:~# hackbench -l 10000
> > >> Time: 35.269
> > >
> > > The last two are equal, is that on purporse?
> >
> > I see the first of last two is without SLUB_CPU_PARTIAL and the second
> > with SLUB_CPU_PARTIAL, so not equal?
>
> indeed. I didn't notice the missing o. Thanks!.
Sorry for this confusion.
>
> > > Any feedback on v5.14-rc3-rt1 and v5.14-rc3-rt2? v5.13-rt1 should be
> > > identical to you 5.10 numbers.
I got below value on v5.14-rc3-rt1.
<5.14.0-rc3-rt1 aarch64>
Time: 35.948
Unfortunately, I've got below panic on v5.13-rt1. I stacked same patches for my board both v5.13-rt1 and v514-rc3-rt1.
[ 0.112294] Freeing unused kernel memory: 5440K
[ 0.131064] Run /sbin/init as init process
[ 0.137371] ------------[ cut here ]------------
[ 0.137373] WARNING: CPU: 7 PID: 1 at arch/arm64/kernel/fpsimd.c:286 task_fpsimd_load+0x98/0xc0
[ 0.137381] Modules linked in:
[ 0.137385] CPU: 7 PID: 1 Comm: init Not tainted 5.13.0-rt1-00032-gdee4765ed8ff #317
[ 0.137388] Hardware name: Samsung ExynosAuto v9 SADK board (DT)
[ 0.137389] pstate: 40400009 (nZcv daif +PAN -UAO -TCO BTYPE=--)
[ 0.137392] pc : task_fpsimd_load+0x98/0xc0
[ 0.137394] lr : task_fpsimd_load+0x18/0xc0
[ 0.137396] sp : ffff80001004bd60
[ 0.137397] x29: ffff80001004bd60 x28: ffff000800098000 x27: 0000000000000000
[ 0.137400] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000045585401
[ 0.137402] x23: 0000000000000000 x22: ffff0008000986d8 x21: ffff000800098000
[ 0.137405] x20: ffff80001004beb0 x19: 0000000000000008 x18: 0000000000000014
[ 0.137408] x17: 00000000ccf04c01 x16: 0000000027fe4405 x15: 00000000083da15a
[ 0.137411] x14: 0000000000000000 x13: 0000ffffd305cbf8 x12: 000000000000000f
[ 0.137414] x11: 0000ffffd305cfed x10: 000000000000001f x9 : 0000000000000000
[ 0.137416] x8 : ffff80001004c000 x7 : 0000000000000000 x6 : 0000000000000001
[ 0.137418] x5 : 0000000080080007 x4 : 0000000000000000 x3 : 0000000000000001
[ 0.137421] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
[ 0.137424] Call trace:
[ 0.137425] task_fpsimd_load+0x98/0xc0
[ 0.137427] fpsimd_restore_current_state+0x78/0xac
[ 0.137430] do_notify_resume+0x10c/0x1300
[ 0.137434] work_pending+0xc/0x5f8
[ 0.137436] ---[ end trace 0000000000000002 ]---
Best Regards,
Chanho Park
next prev parent reply other threads:[~2021-11-16 13:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20211103031549epcas2p34418a4e6218ca93da57a0c373691bd41@epcas2p3.samsung.com>
2021-11-03 3:15 ` hackbench score comparison between 5.10.75-rt47 and 5.14.14-rt21 Chanho Park
2021-11-03 9:13 ` Sebastian Andrzej Siewior
2021-11-05 1:41 ` Chanho Park
2021-11-12 14:00 ` 'Sebastian Andrzej Siewior'
2021-11-16 9:37 ` Vlastimil Babka
2021-11-16 9:42 ` 'Sebastian Andrzej Siewior'
2021-11-16 13:42 ` Chanho Park [this message]
2021-11-19 11:12 ` 'Sebastian Andrzej Siewior'
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='022001d7daef$bc333370$34999a50$@samsung.com' \
--to=chanho61.park@samsung.com \
--cc=bigeasy@linutronix.de \
--cc=linux-rt-users@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=vbabka@suse.cz \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.