Subject: Re: lock debugging
To: Pavel Cahyna <pavel@netbsd.org>
From: Perry E. Metzger <perry@piermont.com>
List: tech-smp
Date: 01/16/2007 12:20:24
Pavel Cahyna <pavel@netbsd.org> writes:
> On Tue, Jan 16, 2007 at 07:53:51AM -0500, Perry E. Metzger wrote:
>>
>> Andrew Doran <ad@netbsd.org> writes:
>> > The branch adds one more piece of the puzzle (locking around
>> > process state). That it works comparatively well is a product of
>> > all of the locks that have been trickling into the system for the
>> > last .. well, since 4.4BSD I think.
>>
>> BTW, I wonder whether we can modify an x86 emulator into a lock
>> debugger.
>
> Yes: http://www.valgrind.org/info/tools.html#helgrind
Can that be used for running a kernel?
Perry
--
Perry E. Metzger perry@piermont.com