Re: trinity finds ftrace/perf bug. Film at 11.

From: Dave Jones
Date: Mon Sep 16 2013 - 12:45:17 EST


On Mon, Sep 16, 2013 at 11:37:19AM +0200, Peter Zijlstra wrote:
> On Fri, Sep 13, 2013 at 10:16:38AM -0400, Dave Jones wrote:
> > without the diff, it'll use all kinds of fds. this diff hardwires it to just use
> > fd's from perf_event_open. I'll hack up a command line switch to do this in a better
> > way at some point.
> >
> > Dave
> >
> >
> > diff --git a/fds.c b/fds.c
> > index cc1ca6d..f48c95e 100644
> > --- a/fds.c
> > +++ b/fds.c
> > @@ -119,6 +119,8 @@ static int get_new_random_fd(void)
> > retry:
> > i = rand() % 6;
> >
> > + i = 3;
> > +
> > if (do_specific_proto == TRUE)
> > i = 1;
>
> I'm just not having much luck it seems, even after actually enabling
> list debugging (D0H).

may be some other option.. Try http://www.codemonkey.org.uk/junk/haswell-config

> What kind of hardware are you running this on?

model name : Intel(R) Core(TM) i5-4670T CPU @ 2.30GHz

Dave

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