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Date: Sat, 6 Jun 2009 10:42:29 -0400 (EDT) From: Steven Rostedt <rostedt@...dmis.org> To: Frederic Weisbecker <fweisbec@...il.com> cc: Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] tracing/branch-tracer: PROFILE_BRANCHES_PER_CPU must depend on SMP On Sat, 6 Jun 2009, Frederic Weisbecker wrote: > > [ Impact: fix a build failure with the branch tracer ] > > Reported-by: Ingo Molnar <mingo@...e.hu> > Cc: Steven Rostedt <rostedt@...dmis.org> > Signed-off-by: Frederic Weisbecker <fweisbec@...il.com> > --- > kernel/trace/Kconfig | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig > index 309a264..0efbcc5 100644 > --- a/kernel/trace/Kconfig > +++ b/kernel/trace/Kconfig > @@ -285,7 +285,7 @@ endchoice > > config PROFILE_BRANCHES_PER_CPU > bool "Profile branches on a per cpu basis" > - depends on PROFILE_ALL_BRANCHES > + depends on PROFILE_ALL_BRANCHES && SMP You just wasted two minutes of my time! I was just about to send out the same patch, but you beat me to it. ;-) Acked-by: Steven Rostedt <rostedt@...dmis.org> -- Steve > help > When profiling all branches, the system can take a big cache line > bouncing hit. On boxes with lots of CPUs, this can slow the system > -- > 1.6.2.3 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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