perf: Add new conditional branch filter 'PERF_SAMPLE_BRANCH_COND'
authorAnshuman Khandual <khandual@linux.vnet.ibm.com>
Thu, 22 May 2014 07:20:07 +0000 (12:50 +0530)
committerIngo Molnar <mingo@kernel.org>
Thu, 5 Jun 2014 10:30:15 +0000 (12:30 +0200)
commitbac52139f0b7ab31330e98fd87fc5a2664951050
treeafbfdadda87323789a24e0d1d782dd140958d7d7
parent40814f6805a524130a5ec313871147f7aa9b5318
perf: Add new conditional branch filter 'PERF_SAMPLE_BRANCH_COND'

This patch introduces new branch filter PERF_SAMPLE_BRANCH_COND which
will extend the existing perf ABI. This will filter branches which are
conditional. Various architectures can provide this functionality either
with HW filtering support (if present) or with SW filtering of captured
branch instructions.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Reviewed-by: Stephane Eranian <eranian@google.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: mpe@ellerman.id.au
Cc: benh@kernel.crashing.org
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1400743210-32289-1-git-send-email-khandual@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
include/uapi/linux/perf_event.h