Re: cvs commit: src/sys/kern subr_witness.c

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From
John Baldwin <jhb@FreeBSD.org>
Date
27 Dec 2004 22:11:08
Subject
Re: cvs commit: src/sys/kern subr_witness.c
Message-ID
200412271600.26989.jhb@FreeBSD.org


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On Sunday 26 December 2004 07:54 pm, Kris Kennaway wrote:
> On Sun, Dec 26, 2004 at 10:52:24PM +0000, Robert Watson wrote:
> > rwatson 2004-12-26 22:52:24 UTC
> >
> > FreeBSD src repository
> >
> > Modified files:
> > sys/kern subr_witness.c
> > Log:
> > Add "show alllocks" command to DDB, which dumps a list of processes
> > and threads currently holding sleep mutexes (and spin mutexes for
> > curthread). This can be quite useful in looking for a lock condition
> > summary for a system, as it avoids manually iterating through threads
> > and processes to find all the interesting locks.
> >
> > NB: "alllocks" is up there with "lockedvnods" for a bad argument for
> > show.
>
> ITYM "allloks" or perhaps "alllockes" (conservation of vowels).

If you want a better name you could do 'show locks /a' instead. That is, add
support to 'show locks' for the /a option (see 'show ktr' for how you would
handle this by looking at 'modif').

--
John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org


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