From: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
To: linux-btrace@vger.kernel.org
Subject: Re: blktrace -k
Date: Wed, 16 Sep 2009 14:35:57 +0000 [thread overview]
Message-ID: <1253111757.12161.0.camel@cail> (raw)
In-Reply-To: <200909161712.15652.mohan@in.ibm.com>
On Wed, 2009-09-16 at 19:54 +0530, M. Mohan Kumar wrote:
> >
> > No, the -k option just cleans up the kernel state (typically from a
> > previously aborted blktrace run that failed to clean up the state). It
> > doesn't do anything with user-level processes running blktrace.
> >
>
> Does it mean that one has to explicitly kill the existing blktrace process by
> Ctrl+C or kill?
>
> Regards,
> M. Mohan Kumar
Yes - the point of '-k' is to clean up after some blktrace process has
failed unexpectedly and left the kernel in an unclean state. [Although I
think that the kernel has been cleaned up enough in this area where it
may not be necessary anymore...]
Alan
next prev parent reply other threads:[~2009-09-16 14:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-16 11:54 blktrace -k M. Mohan Kumar
2009-09-16 11:57 ` Alan D. Brunelle
2009-09-16 14:35 ` Alan D. Brunelle [this message]
2009-09-16 14:36 ` M. Mohan Kumar
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