linux-kernel - Re: Ctrl+C doesn't interrupt process waiting for I/O

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Message-ID: <20080704212335.4ffc8230@lxorguk.ukuu.org.uk>
Date:	Fri, 4 Jul 2008 21:23:35 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Joe Peterson <joe@...rush.com>
Cc:	Elias Oltmanns <eo@...ensachen.de>,
	Török Edwin <edwintorok@...il.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Ctrl+C doesn't interrupt process waiting for I/O

> disk activity process over each time it completed), it always broke out
> after one ^C - one time took an extra second or two.  Note that I did
> not run latencytop (did not have it compiled in my kernel) - if that is
> required for the test, let me know, but I assume it is just for
> gathering info when the issue occurs.

I really don't think this is tty related looking at the code involved and
also the lack of actual measurements presented. More likely scheduler and
VM related changes.

Alan
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