linux-kernel - [tip:perf/core] perf stat: Move enable_on

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <tip-c8280cec2a196f2ffea83dd755b17eb020ca1b83@git.kernel.org>
Date:	Mon, 7 Dec 2015 20:34:40 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jolsa@...nel.org, namhyung@...nel.org, hpa@...or.com,
	mingo@...nel.org, acme@...hat.com, a.p.zijlstra@...llo.nl,
	tglx@...utronix.de, adrian.hunter@...el.com, dsahern@...il.com,
	linux-kernel@...r.kernel.org
Subject: [tip:perf/core] perf stat:
  Move enable_on_exec setup under earlier code

Commit-ID:  c8280cec2a196f2ffea83dd755b17eb020ca1b83
Gitweb:     http://git.kernel.org/tip/c8280cec2a196f2ffea83dd755b17eb020ca1b83
Author:     Jiri Olsa <jolsa@...nel.org>
AuthorDate: Thu, 3 Dec 2015 10:06:45 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 7 Dec 2015 18:12:59 -0300

perf stat: Move enable_on_exec setup under earlier code

It's more readable this way and we can save one
perf_evsel__is_group_leader condition in current code.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1449133606-14429-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-stat.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 2e70610..e74712d 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -173,17 +173,20 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
 	 * either manually by us or by kernel via enable_on_exec
 	 * set later.
 	 */
-	if (perf_evsel__is_group_leader(evsel))
+	if (perf_evsel__is_group_leader(evsel)) {
 		attr->disabled = 1;
 
-	if (target__has_cpu(&target))
-		return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel));
-
-	if (!target__has_task(&target) && perf_evsel__is_group_leader(evsel)) {
-		if (!initial_delay)
+		/*
+		 * In case of initial_delay we enable tracee
+		 * events manually.
+		 */
+		if (target__none(&target) && !initial_delay)
 			attr->enable_on_exec = 1;
 	}
 
+	if (target__has_cpu(&target))
+		return perf_evsel__open_per_cpu(evsel, perf_evsel__cpus(evsel));
+
 	return perf_evsel__open_per_thread(evsel, evsel_list->threads);
 }
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/