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Subject[tip:perf/core] perf record: Add support for sampling indirect jumps
Commit-ID:  5b68164d6a1fdbe02b30bd777d1f686c6d901f28
Gitweb: http://git.kernel.org/tip/5b68164d6a1fdbe02b30bd777d1f686c6d901f28
Author: Stephane Eranian <eranian@google.com>
AuthorDate: Thu, 14 May 2015 23:10:00 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Sun, 7 Jun 2015 16:08:31 +0200

perf record: Add support for sampling indirect jumps

This patch adds a new branch sampling type support for indirect jumps:

perf record -j ind_jmp .......

It enables analysis of indirect jumps targets. It requires kernel and
possibly hardware support to operate correctly.

Signed-off-by: Stephane Eranian <eranian@google.com>
[ Fixup against: f00898f4e20b (perf tools: Move branch option parsing to own file) ]
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@redhat.com
Cc: dsahern@gmail.com
Cc: jolsa@redhat.com
Cc: kan.liang@intel.com
Cc: namhyung@kernel.org
Link: http://lkml.kernel.org/r/1431637800-31061-4-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
tools/perf/util/parse-branch-options.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/parse-branch-options.c b/tools/perf/util/parse-branch-options.c
index 9d99943..a3b1e13 100644
--- a/tools/perf/util/parse-branch-options.c
+++ b/tools/perf/util/parse-branch-options.c
@@ -26,6 +26,7 @@ static const struct branch_mode branch_modes[] = {
BRANCH_OPT("in_tx", PERF_SAMPLE_BRANCH_IN_TX),
BRANCH_OPT("no_tx", PERF_SAMPLE_BRANCH_NO_TX),
BRANCH_OPT("cond", PERF_SAMPLE_BRANCH_COND),
+ BRANCH_OPT("ind_jmp", PERF_SAMPLE_BRANCH_IND_JUMP),
BRANCH_END
};


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