From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753933AbbJTJhl (ORCPT ); Tue, 20 Oct 2015 05:37:41 -0400 Received: from terminus.zytor.com ([198.137.202.10]:49918 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751257AbbJTJhh (ORCPT ); Tue, 20 Oct 2015 05:37:37 -0400 Date: Tue, 20 Oct 2015 02:36:53 -0700 From: tip-bot for Stephane Eranian Message-ID: Cc: peterz@infradead.org, dsahern@gmail.com, hpa@zytor.com, acme@redhat.com, mingo@kernel.org, eranian@google.com, linux-kernel@vger.kernel.org, jolsa@redhat.com, torvalds@linux-foundation.org, vincent.weaver@maine.edu, namhyung@kernel.org, tglx@linutronix.de Reply-To: mingo@kernel.org, peterz@infradead.org, hpa@zytor.com, acme@redhat.com, dsahern@gmail.com, namhyung@kernel.org, vincent.weaver@maine.edu, torvalds@linux-foundation.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, eranian@google.com, jolsa@redhat.com In-Reply-To: <1444720151-10275-5-git-send-email-eranian@google.com> References: <1444720151-10275-5-git-send-email-eranian@google.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf record: Add ability to sample call branches Git-Commit-ID: 43e41adc9e8c36545888d78fed2ef8d102a938dc X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 43e41adc9e8c36545888d78fed2ef8d102a938dc Gitweb: http://git.kernel.org/tip/43e41adc9e8c36545888d78fed2ef8d102a938dc Author: Stephane Eranian AuthorDate: Tue, 13 Oct 2015 09:09:11 +0200 Committer: Ingo Molnar CommitDate: Tue, 20 Oct 2015 10:30:55 +0200 perf record: Add ability to sample call branches This patch add a new branch type sampling filter to perf record. It is named 'call' and maps to PERF_SAMPLE_BRANCH_CALL. It samples direct call branches only, unlike 'any_call' which includes indirect calls as well. $ perf record -j call -e cycles ..... The man page is updated accordingly. Signed-off-by: Stephane Eranian Signed-off-by: Peter Zijlstra (Intel) Cc: Arnaldo Carvalho de Melo Cc: David Ahern Cc: Jiri Olsa Cc: Linus Torvalds Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Vince Weaver Cc: khandual@linux.vnet.ibm.com Link: http://lkml.kernel.org/r/1444720151-10275-5-git-send-email-eranian@google.com Signed-off-by: Ingo Molnar --- tools/perf/Documentation/perf-record.txt | 1 + tools/perf/util/parse-branch-options.c | 1 + 2 files changed, 2 insertions(+) diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 2e9ce77..b027d28 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -236,6 +236,7 @@ following filters are defined: - any_call: any function call or system call - any_ret: any function return or system call return - ind_call: any indirect branch + - call: direct calls, including far (to/from kernel) calls - u: only when the branch target is at the user level - k: only when the branch target is in the kernel - hv: only when the target is at the hypervisor level diff --git a/tools/perf/util/parse-branch-options.c b/tools/perf/util/parse-branch-options.c index a3b1e13..355eecf 100644 --- a/tools/perf/util/parse-branch-options.c +++ b/tools/perf/util/parse-branch-options.c @@ -27,6 +27,7 @@ static const struct branch_mode branch_modes[] = { 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_OPT("call", PERF_SAMPLE_BRANCH_CALL), BRANCH_END };