From: Alexey Dobriyan <adobriyan@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Ahmed S. Darwish" <darwish.07@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 11/13] proc: readdir /proc/*/task
Date: Thu, 30 Aug 2018 16:20:04 +0300 [thread overview]
Message-ID: <20180830132004.GB31422@avx2> (raw)
In-Reply-To: <20180829164330.435fb1d1c78e9d066e5eb862@linux-foundation.org>
On Wed, Aug 29, 2018 at 04:43:30PM -0700, Andrew Morton wrote:
> On Tue, 28 Aug 2018 22:35:02 +0300 Alexey Dobriyan <adobriyan@gmail.com> wrote:
>
> > > Are we really in a super hot path to justify all that?
> >
> > /proc is very slow, try profiling just about anything involving /proc.
>
> So how much does this patchset help? Some timing measurements would
> really help things along, if they show goodness.
Benchmarking results are in individual patches. They are ~1-7-20%
better overall. However those are microbenchmarks.
next prev parent reply other threads:[~2018-08-30 13:20 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-27 23:14 [PATCH 01/13] seq_file: rewrite seq_puts() in terms of seq_write() Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 02/13] proc: apply seq_puts() whenever possible Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 03/13] proc: rename "p" variable in proc_readfd_common() Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 04/13] proc: rename "p" variable in proc_map_files_readdir() Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 05/13] proc: new and improved way to print decimals Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 06/13] proc: convert /proc/self to _print_integer() Alexey Dobriyan
2018-08-29 9:50 ` David Laight
2018-08-30 13:13 ` Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 07/13] proc: convert /proc/thread-self " Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 08/13] proc: convert /proc/*/fd " Alexey Dobriyan
2018-08-27 23:14 ` [PATCH 09/13] proc: convert dentry flushing on exit " Alexey Dobriyan
2018-08-27 23:15 ` [PATCH 10/13] proc: convert readdir /proc " Alexey Dobriyan
2018-08-27 23:15 ` [PATCH 11/13] proc: readdir /proc/*/task Alexey Dobriyan
2018-08-28 12:36 ` Ahmed S. Darwish
2018-08-28 13:04 ` Ahmed S. Darwish
2018-08-28 19:35 ` Alexey Dobriyan
2018-08-29 23:43 ` Andrew Morton
2018-08-30 13:20 ` Alexey Dobriyan [this message]
2018-08-28 19:31 ` Alexey Dobriyan
2018-08-27 23:15 ` [PATCH 12/13] proc: convert /proc/*/statm to _print_integer() Alexey Dobriyan
2018-08-27 23:15 ` [PATCH 13/13] proc: convert /proc/*/task/*/children " Alexey Dobriyan
2018-08-28 18:24 ` [PATCH 01/13] seq_file: rewrite seq_puts() in terms of seq_write() Joe Perches
2018-08-28 20:48 ` Joe Perches
2018-09-03 14:17 ` Alexey Dobriyan
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