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Date: Fri, 12 Dec 2008 11:47:16 -0800
From: Michael Spiegle <mike@...ticaltech.com>
To: Kay Sievers <kay.sievers@...y.org>
CC: Andrew Morton <akpm@...ux-foundation.org>,
bugme-daemon@...zilla.kernel.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [Bugme-new] [Bug 12201] New: long wait in call_usermodehelper()
/ queue_work() / wait_for_completion()
> If you replace /sbin/modprobe in the kernel module loader, does the
> delay go away:
> echo /bin/true > /proc/sys/kernel/modprobe
Yes, that does reduce the delay significantly. The timing of the
socket() call went from about 1500000us to 430000us. This points the
finger at modprobe it seems?
Michael Spiegle
mike@...ticaltech.com
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