From: Joe Perches <joe@perches.com>
To: Michal Hocko <mhocko@kernel.org>, linux-fsdevel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jann Horn <jann@thejh.net>,
linux-mm@kvack.org, Alexander Viro <viro@zeniv.linux.org.uk>,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/2] seq: Speed up /proc/<pid>/smaps
Date: Sat, 20 Aug 2016 01:00:15 -0700 [thread overview]
Message-ID: <cover.1471679737.git.joe@perches.com> (raw)
In-Reply-To: <20160820072927.GA23645@dhcp22.suse.cz>
Doing a simple cat of these files can take a lot more cpu than
it should. Optimize it a bit.
Joe Perches (2):
seq_file: Add __seq_open_private_bufsize for seq file_operation sizes
proc: task_mmu: Reduce output processing cpu time
fs/proc/task_mmu.c | 94 ++++++++++++++++++++++++------------------------
fs/seq_file.c | 31 ++++++++++++++++
include/linux/seq_file.h | 3 ++
3 files changed, 82 insertions(+), 46 deletions(-)
--
2.8.0.rc4.16.g56331f8
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next parent reply other threads:[~2016-08-20 8:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20160820072927.GA23645@dhcp22.suse.cz>
2016-08-20 8:00 ` Joe Perches [this message]
2016-08-20 8:00 ` [PATCH 1/2] seq_file: Add __seq_open_private_bufsize for seq file_operation sizes Joe Perches
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