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perf: Add new conditional branch filter 'PERF_SAMPLE_BRANCH_COND'

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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>
This commit is contained in:
Anshuman Khandual 2014-05-22 12:50:07 +05:30 committed by Ingo Molnar
parent 40814f6805
commit bac52139f0
1 changed files with 2 additions and 1 deletions
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3
include/uapi/linux/perf_event.h
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@ -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 \