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>

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 \