diff options
Diffstat (limited to 'tools/perf/Documentation/perf-top.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-top.txt | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index c1fdba26bf53..e534d709cc5a 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -51,9 +51,6 @@ Default is to monitor all CPUS. --count-filter=<count>:: Only display functions with more events than this. ---group:: - Put the counters into a counter group. - --group-sort-idx:: Sort the output by the event at the index n in group. If n is invalid, sort by the first event. It can support multiple groups with different @@ -313,10 +310,10 @@ use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -G foo'. perf top -e cycles,probe:icmp_rcv --switch-on=probe:icmp_rcv - Alternatively one can ask for --group and then two overhead columns + Alternatively one can ask for a group and then two overhead columns will appear, the first for cycles and the second for the switch-on event. - perf top --group -e cycles,probe:icmp_rcv --switch-on=probe:icmp_rcv + perf top -e '{cycles,probe:icmp_rcv}' --switch-on=probe:icmp_rcv This may be interesting to measure a workload only after some initialization phase is over, i.e. insert a perf probe at that point and use the above |