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authorAnshuman Khandual <khandual@linux.vnet.ibm.com>2014-05-22 12:50:07 +0530
committerIngo Molnar <mingo@kernel.org>2014-06-05 12:30:15 +0200
commitbac52139f0b7ab31330e98fd87fc5a2664951050 (patch)
treeafbfdadda87323789a24e0d1d782dd140958d7d7
parent40814f6805a524130a5ec313871147f7aa9b5318 (diff)
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>
-rw-r--r--include/uapi/linux/perf_event.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index e3fc8f09d110..d9cd853818ad 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -163,8 +163,9 @@ enum perf_branch_sample_type {
PERF_SAMPLE_BRANCH_ABORT_TX = 1U << 7, /* transaction aborts */
PERF_SAMPLE_BRANCH_IN_TX = 1U << 8, /* in transaction */
PERF_SAMPLE_BRANCH_NO_TX = 1U << 9, /* not in transaction */
+ PERF_SAMPLE_BRANCH_COND = 1U << 10, /* conditional branches */
- PERF_SAMPLE_BRANCH_MAX = 1U << 10, /* non-ABI */
+ PERF_SAMPLE_BRANCH_MAX = 1U << 11, /* non-ABI */
};
#define PERF_SAMPLE_BRANCH_PLM_ALL \