From: Volodymyr Babchuk <vlad.babchuk@gmail.com>
To: Julien Grall <julien.grall@arm.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Andrii Anisov <andrii_anisov@epam.com>,
Dario Faggioli <dario.faggioli@citrix.com>,
george.dunlap@citrix.com, Xen Devel <xen-devel@lists.xen.org>,
nd@arm.com, Artem Mygaiev <joculator@gmail.com>
Subject: Re: [ARM] Native application design and discussion (I hope)
Date: Thu, 27 Apr 2017 20:26:44 +0300 [thread overview]
Message-ID: <CAOcqxo2i5rJc67UaVs406_iyFcSCzTH8_RJr5DznWMFsqbCCSQ@mail.gmail.com> (raw)
In-Reply-To: <CAOcqxo10ggxTMz_RdGP6MbjYPMRSD739aui7dp8EEeyWA+NV1Q@mail.gmail.com>
Hi Julien,
I'm back with profiler results.
>> Oh, yes. Sorry I forgot this thread. Continuing on that, you said that "Now
>> profiler shows that hypervisor spends time in spinlocks and p2m code."
>>
>> Could you expand here? How the EL0 app will spend time in p2m code?
> I don't quite remember. It was somewhere around p2m save/restore
> context functions.
> I'll try to restore that setup and will provide more details.
So, there are top 5 functions:
p2m_restore_state - 10.6%
spin_lock - 8.4%
spin_unlock_irqrestore - 6%
ctxt_switch_to_partial - 5.7%
gicv2_hcr_status - 4.6%
per-source-file statistics:
spinlock.c - 22%
entry.S - 15%
arm/domain.c - 11.6%
--
WBR Volodymyr Babchuk aka lorc [+380976646013]
mailto: vlad.babchuk@gmail.com
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next prev parent reply other threads:[~2017-04-27 17:26 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-06 20:21 [ARM] Native application design and discussion (I hope) Volodymyr Babchuk
2017-04-06 21:31 ` Stefano Stabellini
2017-04-07 11:03 ` Volodymyr Babchuk
2017-04-07 23:36 ` Stefano Stabellini
2017-04-11 20:32 ` Stefano Stabellini
2017-04-12 18:13 ` Dario Faggioli
2017-04-12 19:17 ` Stefano Stabellini
2017-04-20 20:20 ` Volodymyr Babchuk
2017-04-21 14:42 ` Andrii Anisov
2017-04-21 15:49 ` Julien Grall
2017-04-21 16:08 ` Volodymyr Babchuk
2017-04-21 16:20 ` Andrii Anisov
2017-04-21 20:58 ` Stefano Stabellini
2017-04-21 21:17 ` Stefano Stabellini
2017-04-24 16:56 ` Andrii Anisov
2017-04-24 18:08 ` Stefano Stabellini
2017-04-25 10:15 ` Andrii Anisov
2017-05-05 10:51 ` Andrii Anisov
2017-05-05 19:28 ` Stefano Stabellini
2017-05-08 10:46 ` George Dunlap
2017-05-08 18:31 ` Stefano Stabellini
2017-05-08 18:33 ` Julien Grall
2017-05-09 8:53 ` George Dunlap
2017-05-10 16:38 ` Andrii Anisov
2017-05-09 10:13 ` Dario Faggioli
2017-05-09 10:32 ` Julien Grall
2017-05-09 11:08 ` Dario Faggioli
2017-05-09 11:19 ` Julien Grall
2017-05-09 18:29 ` Stefano Stabellini
2017-05-10 9:56 ` George Dunlap
2017-05-10 10:00 ` Julien Grall
2017-05-10 10:03 ` George Dunlap
2017-05-10 10:48 ` Julien Grall
2017-05-10 17:37 ` Volodymyr Babchuk
2017-05-10 18:05 ` Stefano Stabellini
2017-05-10 19:04 ` Julien Grall
2017-05-11 10:07 ` Julien Grall
2017-05-11 11:28 ` Volodymyr Babchuk
2017-05-10 18:08 ` Andrii Anisov
2017-05-10 18:24 ` Stefano Stabellini
2017-05-11 15:19 ` Volodymyr Babchuk
2017-05-11 15:35 ` Modules support in Xen (WAS: Re: [ARM] Native application design and discussion (I hope)) Julien Grall
2017-05-11 16:35 ` George Dunlap
2017-05-11 17:14 ` Volodymyr Babchuk
2017-05-11 17:20 ` George Dunlap
2017-05-11 17:53 ` Lars Kurth
2017-05-11 17:14 ` George Dunlap
2017-05-11 17:16 ` George Dunlap
2017-05-11 18:13 ` Volodymyr Babchuk
2017-05-12 11:48 ` George Dunlap
2017-05-12 18:43 ` Stefano Stabellini
2017-05-12 19:04 ` Volodymyr Babchuk
2017-05-15 11:21 ` George Dunlap
2017-05-15 17:32 ` Stefano Stabellini
2017-05-11 18:04 ` Stefano Stabellini
2017-05-11 18:39 ` Volodymyr Babchuk
2017-05-05 11:09 ` [ARM] Native application design and discussion (I hope) Andrii Anisov
2017-04-24 19:11 ` Julien Grall
2017-04-24 21:41 ` Volodymyr Babchuk
2017-04-25 11:43 ` Julien Grall
2017-04-26 21:44 ` Volodymyr Babchuk
2017-04-27 17:26 ` Volodymyr Babchuk [this message]
2017-05-02 12:52 ` Julien Grall
2017-05-02 12:42 ` Julien Grall
2017-04-25 8:52 ` Andrii Anisov
2017-04-21 15:57 ` Julien Grall
2017-04-21 16:16 ` Volodymyr Babchuk
2017-04-21 16:47 ` Julien Grall
2017-04-21 17:04 ` Volodymyr Babchuk
2017-04-21 17:38 ` Julien Grall
2017-04-21 18:35 ` Volodymyr Babchuk
2017-04-24 11:00 ` Julien Grall
2017-04-24 21:29 ` Volodymyr Babchuk
2017-04-21 21:24 ` Stefano Stabellini
2017-04-24 16:14 ` Andrii Anisov
2017-04-24 16:46 ` Andrii Anisov
2017-04-27 15:25 ` George Dunlap
2017-05-02 12:45 ` Julien Grall
2017-05-12 18:47 Volodymyr Babchuk
2017-05-15 12:51 ` George Dunlap
2017-05-15 17:35 ` Stefano Stabellini
2017-05-15 13:54 ` Andrii Anisov
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