On Mon, 20 Jan 2014 11:32:29 -0500 John Baldwin <j...@freebsd.org> wrote:
> On Sunday 19 January 2014 18:18:03 Rui Paulo wrote: > > On 19 Jan 2014, at 17:59, Neel Natu <n...@freebsd.org> wrote: > > > Author: neel > > > Date: Mon Jan 20 01:59:35 2014 > > > New Revision: 260898 > > > URL: http://svnweb.freebsd.org/changeset/base/260898 > > > > > > Log: > > > Bump up WITNESS_COUNT from 1024 to 1536 so there are sufficient > > > entries for > > > WITNESS to actually work. > > > > This value should be automatically tuned... > > How do you propose to do so? This is the count of locks initialized > before witness' own SYSINIT is executed and the array it sizes is > allocated statically at compile time. This used to not be a static > array, but an intrusive list embedded in locks themselves, but we > decided to shave a pointer off of each lock that was only used for > that and to use a statically sized table instead. > > -- > John Baldwin As <CONSTANT1> + <CONSTANT2> * MAXCPU, as evidently most recent overflows reported were caused by jacking MAXCPU up from its default value? -- Alexander Kabaev
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