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'
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