linux-kernel - [tip:perf/core] perf record: Add support for sampling indirect jumps

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Date:	Sun, 7 Jun 2015 10:48:46 -0700
From:	tip-bot for Stephane Eranian <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	ak@...ux.intel.com, peterz@...radead.org, mingo@...nel.org,
	linux-kernel@...r.kernel.org, eranian@...gle.com,
	torvalds@...ux-foundation.org, hpa@...or.com, tglx@...utronix.de,
	akpm@...ux-foundation.org
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@...gle.com>
AuthorDate: Thu, 14 May 2015 23:10:00 +0200
Committer:  Ingo Molnar <mingo@...nel.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@...gle.com>
[ Fixup against: f00898f4e20b (perf tools: Move branch option parsing to own file) ]
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Andi Kleen <ak@...ux.intel.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: acme@...hat.com
Cc: dsahern@...il.com
Cc: jolsa@...hat.com
Cc: kan.liang@...el.com
Cc: namhyung@...nel.org
Link: http://lkml.kernel.org/r/1431637800-31061-4-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>

Signed-off-by: Ingo Molnar <mingo@...nel.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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