Messages in this thread Patch in this message | | | Date | Sun, 7 Jun 2015 10:48:46 -0700 | From | tip-bot for Stephane Eranian <> | Subject | [tip:perf/core] perf record: Add support for sampling indirect jumps |
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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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