git.ipfire.org Git - thirdparty/kernel/linux.git/commit

author	Andi Kleen <ak@linux.intel.com>
	Fri, 20 Sep 2013 14:40:44 +0000 (07:40 -0700)
committer	Ingo Molnar <mingo@kernel.org>
	Fri, 4 Oct 2013 08:06:16 +0000 (10:06 +0200)
commit	b7af41a1bc255c0098c37a4bcf5c7e5e168ce875
tree	d6fc45600ecb9af6eb96c114269fa22b19c732db	tree
parent	475eeab9f3c1579c8da89667496084db4867bf7c	commit \| diff

perf/x86: Suppress duplicated abort LBR records

Haswell always give an extra LBR record after every TSX abort.
Suppress the extra record.

This only works when the abort is visible in the LBR
If the original abort has already left the 16 LBR entries
the extra entry will will stay.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1379688044-14173-7-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/kernel/cpu/perf_event.h		diff \| blob \| blame \| history
arch/x86/kernel/cpu/perf_event_intel.c		diff \| blob \| blame \| history
arch/x86/kernel/cpu/perf_event_intel_lbr.c		diff \| blob \| blame \| history