[tip:perf/core] perf sched timehist: Add pid and tid options
From: tip-bot for David Ahern
Date: Fri Sep 22 2017 - 12:30:31 EST
Commit-ID: 0f59d7a352c11712de0f226b46cb82775b4fcece
Gitweb: http://git.kernel.org/tip/0f59d7a352c11712de0f226b46cb82775b4fcece
Author: David Ahern <dsahern@xxxxxxxxx>
AuthorDate: Fri, 1 Sep 2017 10:49:12 -0700
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 13 Sep 2017 09:49:12 -0300
perf sched timehist: Add pid and tid options
Add options to only show event for specific pid(s) and tid(s).
Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1504288152-19690-1-git-send-email-dsahern@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/Documentation/perf-sched.txt | 8 ++++++++
tools/perf/builtin-sched.c | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt
index a092a24..55b6733 100644
--- a/tools/perf/Documentation/perf-sched.txt
+++ b/tools/perf/Documentation/perf-sched.txt
@@ -106,6 +106,14 @@ OPTIONS for 'perf sched timehist'
--max-stack::
Maximum number of functions to display in backtrace, default 5.
+-p=::
+--pid=::
+ Only show events for given process ID (comma separated list).
+
+-t=::
+--tid=::
+ Only show events for given thread ID (comma separated list).
+
-s::
--summary::
Show only a summary of scheduling by thread with min, max, and average
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 322b4de..b7e8812 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -3363,6 +3363,10 @@ int cmd_sched(int argc, const char **argv)
OPT_STRING(0, "time", &sched.time_str, "str",
"Time span for analysis (start,stop)"),
OPT_BOOLEAN(0, "state", &sched.show_state, "Show task state when sched-out"),
+ OPT_STRING('p', "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
+ "analyze events only for given process id(s)"),
+ OPT_STRING('t', "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
+ "analyze events only for given thread id(s)"),
OPT_PARENT(sched_options)
};