From 25b97616b29d32085a36d32ad93bedac7042217e Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 4 Jun 2009 16:33:00 +0200 Subject: [PATCH] --- yaml --- r: 147656 b: refs/heads/master c: 20c84e959ec11b1803d2b2832eef703d5fbe7f7b h: refs/heads/master v: v3 --- [refs] | 2 +- .../perf_counter/Documentation/perf-stat.txt | 30 ++++++++++++------- 2 files changed, 20 insertions(+), 12 deletions(-) diff --git a/[refs] b/[refs] index 67c4e16adf10..cc61c8e664e9 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: edc52deac624e4641211a325c23da2a73b01a85d +refs/heads/master: 20c84e959ec11b1803d2b2832eef703d5fbe7f7b diff --git a/trunk/Documentation/perf_counter/Documentation/perf-stat.txt b/trunk/Documentation/perf_counter/Documentation/perf-stat.txt index a67d0e3b7d0d..a340e7be83dd 100644 --- a/trunk/Documentation/perf_counter/Documentation/perf-stat.txt +++ b/trunk/Documentation/perf_counter/Documentation/perf-stat.txt @@ -22,6 +22,7 @@ OPTIONS ...:: Any command you can specify in a shell. + -e:: --event=:: 0:0: cpu-cycles @@ -45,6 +46,13 @@ OPTIONS 1:4: migrations rNNN: raw PMU events (eventsel+umask) +-i:: +--inherit:: + child tasks inherit counters +-p:: +--pid=:: + stat events on existing pid + -a:: system-wide collection @@ -54,20 +62,20 @@ OPTIONS EXAMPLES -------- -$ perf stat sleep 1 +$ perf stat -- make -j - Performance counter stats for 'sleep': + Performance counter stats for 'make -j': - 0.678356 task clock ticks (msecs) - 7 context switches (events) - 4 CPU migrations (events) - 232 pagefaults (events) - 1810403 CPU cycles (events) - 946759 instructions (events) - 18952 cache references (events) - 4885 cache misses (events) + 8117.370256 task clock ticks # 11.281 CPU utilization factor + 678 context switches # 0.000 M/sec + 133 CPU migrations # 0.000 M/sec + 235724 pagefaults # 0.029 M/sec + 24821162526 CPU cycles # 3057.784 M/sec + 18687303457 instructions # 2302.138 M/sec + 172158895 cache references # 21.209 M/sec + 27075259 cache misses # 3.335 M/sec - Wall-clock time elapsed: 1001.252894 msecs + Wall-clock time elapsed: 719.554352 msecs SEE ALSO --------