From a8fa710438d4aa85b3bdc79dfad8612e6579179a Mon Sep 17 00:00:00 2001 From: Shawn Bohrer Date: Tue, 30 Nov 2010 19:57:18 -0600 Subject: [PATCH] --- yaml --- r: 223872 b: refs/heads/master c: 1eacc94a66ce347abbf75f223361b21461331383 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/tools/perf/Documentation/perf-sched.txt | 18 ++++++++++++++++-- 2 files changed, 17 insertions(+), 3 deletions(-) diff --git a/[refs] b/[refs] index 3f0d9e19378a..b7dd0bdc6fdb 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: e04fffc321aeebab4962cfc120952272f2d1df98 +refs/heads/master: 1eacc94a66ce347abbf75f223361b21461331383 diff --git a/trunk/tools/perf/Documentation/perf-sched.txt b/trunk/tools/perf/Documentation/perf-sched.txt index 8417644a6166..46822d5fde1c 100644 --- a/trunk/tools/perf/Documentation/perf-sched.txt +++ b/trunk/tools/perf/Documentation/perf-sched.txt @@ -8,11 +8,11 @@ perf-sched - Tool to trace/measure scheduler properties (latencies) SYNOPSIS -------- [verse] -'perf sched' {record|latency|replay|trace} +'perf sched' {record|latency|map|replay|trace} DESCRIPTION ----------- -There are four variants of perf sched: +There are five variants of perf sched: 'perf sched record ' to record the scheduling events of an arbitrary workload. @@ -30,8 +30,22 @@ There are four variants of perf sched: of the workload as it occurred when it was recorded - and can repeat it a number of times, measuring its performance.) + 'perf sched map' to print a textual context-switching outline of + workload captured via perf sched record. Columns stand for + individual CPUs, and the two-letter shortcuts stand for tasks that + are running on a CPU. A '*' denotes the CPU that had the event, and + a dot signals an idle CPU. + OPTIONS ------- +-i:: +--input=:: + Input file name. (default: perf.data) + +-v:: +--verbose:: + Be more verbose. (show symbol address, etc) + -D:: --dump-raw-trace=:: Display verbose dump of the sched data.