From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753943AbcFPIfI (ORCPT ); Thu, 16 Jun 2016 04:35:08 -0400 Received: from terminus.zytor.com ([198.137.202.10]:33276 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751588AbcFPIfD (ORCPT ); Thu, 16 Jun 2016 04:35:03 -0400 Date: Thu, 16 Jun 2016 01:34:29 -0700 From: tip-bot for Jiri Olsa Message-ID: Cc: linux-kernel@vger.kernel.org, acme@redhat.com, namhyung@kernel.org, jolsa@kernel.org, hpa@zytor.com, mingo@kernel.org, tglx@linutronix.de, a.p.zijlstra@chello.nl, dsahern@gmail.com Reply-To: acme@redhat.com, linux-kernel@vger.kernel.org, namhyung@kernel.org, hpa@zytor.com, jolsa@kernel.org, tglx@linutronix.de, mingo@kernel.org, a.p.zijlstra@chello.nl, dsahern@gmail.com In-Reply-To: <1465928361-2442-2-git-send-email-jolsa@kernel.org> References: <1465928361-2442-2-git-send-email-jolsa@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf mem: Add --ldlat option Git-Commit-ID: b0d745b3c34a7fd9ee0b78b929b94c706f84e341 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: b0d745b3c34a7fd9ee0b78b929b94c706f84e341 Gitweb: http://git.kernel.org/tip/b0d745b3c34a7fd9ee0b78b929b94c706f84e341 Author: Jiri Olsa AuthorDate: Tue, 14 Jun 2016 20:19:11 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 15 Jun 2016 10:35:27 -0300 perf mem: Add --ldlat option Adding --ldlat option to specify desired latency for loads event. Specify 50 as loads event latency: $ perf mem record -e ldlat-loads -v --ldlat 50 true calling: record -W -d -e cpu/mem-loads,ldlat=50/P true Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1465928361-2442-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-mem.txt | 3 +++ tools/perf/builtin-mem.c | 1 + tools/perf/util/mem-events.c | 17 ++++++++++++++++- tools/perf/util/mem-events.h | 1 + 4 files changed, 21 insertions(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index 1d6092c..7349632 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -56,6 +56,9 @@ OPTIONS --all-user:: Configure all used events to run in user space. +--ldload:: + Specify desired latency for loads event. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 1dc140c..d608a2c 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -67,6 +67,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) OPT_CALLBACK('e', "event", &mem, "event", "event selector. use 'perf mem record -e list' to list available events", parse_record_events), + OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"), diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 75465f8..bbc368e 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -10,18 +10,33 @@ #include "debug.h" #include "symbol.h" +unsigned int perf_mem_events__loads_ldlat = 30; + #define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s } struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = { - E("ldlat-loads", "cpu/mem-loads,ldlat=30/P", "mem-loads"), + E("ldlat-loads", "cpu/mem-loads,ldlat=%u/P", "mem-loads"), E("ldlat-stores", "cpu/mem-stores/P", "mem-stores"), }; #undef E #undef E +static char mem_loads_name[100]; +static bool mem_loads_name__init; + char *perf_mem_events__name(int i) { + if (i == PERF_MEM_EVENTS__LOAD) { + if (!mem_loads_name__init) { + mem_loads_name__init = true; + scnprintf(mem_loads_name, sizeof(mem_loads_name), + perf_mem_events[i].name, + perf_mem_events__loads_ldlat); + } + return mem_loads_name; + } + return (char *)perf_mem_events[i].name; } diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index 5d6d930..7f69bf9 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -18,6 +18,7 @@ enum { }; extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX]; +extern unsigned int perf_mem_events__loads_ldlat; int perf_mem_events__parse(const char *str); int perf_mem_events__init(void);