Re: [PATCH -tip/master 3/7] locking/mcs: Remove obsolete comment
From: Peter Zijlstra
Date: Mon Jul 28 2014 - 14:50:39 EST
On Mon, Jul 28, 2014 at 10:49:35AM -0700, Jason Low wrote:
> So if the function is inlined, perf report would show the contention
> occurring in the calling function rather than the inlined function. As
> an example, if we were to convert osq_lock() and mutex_spin_on_owner()
> to inline, perf would report all the contention from both of those
> functions occurring in just "__mutex_lock_slowpath()".
But that's easily fixed on the tool side, right? Dwarf info (as present
in vmlinux when build with CONFIG_DEBUG_INFO) has all that.
Description: PGP signature