diff options
Diffstat (limited to 'tools/perf/Documentation/perf-stat.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 45c2467e4eb2..4c9310be6acc 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -9,8 +9,8 @@ SYNOPSIS -------- [verse] 'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command> -'perf stat' [-e <EVENT> | --event=EVENT] [-a] -- <command> [<options>] -'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] -- <command> [<options>] +'perf stat' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>] +'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] \-- <command> [<options>] 'perf stat' report [-i file] DESCRIPTION @@ -217,8 +217,8 @@ Append to the output file designated with the -o option. Ignored if -o is not sp Log output to fd, instead of stderr. Complementary to --output, and mutually exclusive with it. --append may be used here. Examples: - 3>results perf stat --log-fd 3 -- $cmd - 3>>results perf stat --log-fd 3 --append -- $cmd + 3>results perf stat --log-fd 3 \-- $cmd + 3>>results perf stat --log-fd 3 --append \-- $cmd --control=fifo:ctl-fifo[,ack-fifo]:: --control=fd:ctl-fd[,ack-fd]:: @@ -245,7 +245,7 @@ disable events during measurements: perf stat -D -1 -e cpu-cycles -a -I 1000 \ --control fd:${ctl_fd},${ctl_fd_ack} \ - -- sleep 30 & + \-- sleep 30 & perf_pid=$! sleep 5 && echo 'enable' >&${ctl_fd} && read -u ${ctl_fd_ack} e1 && echo "enabled(${e1})" @@ -265,7 +265,7 @@ disable events during measurements: --post:: Pre and post measurement hooks, e.g.: -perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' -- make -s -j64 O=defconfig-build/ bzImage +perf stat --repeat 10 --null --sync --pre 'make -s O=defconfig-build/clean' \-- make -s -j64 O=defconfig-build/ bzImage -I msecs:: --interval-print msecs:: @@ -496,7 +496,7 @@ $ perf config stat.no-csv-summary=true EXAMPLES -------- -$ perf stat -- make +$ perf stat \-- make Performance counter stats for 'make': |