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Diffstat (limited to 'tools/perf/Documentation/perf-top.txt')
-rw-r--r-- | tools/perf/Documentation/perf-top.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index bba5ffb05463..9898a32b8d9c 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -277,6 +277,18 @@ Default is to monitor all CPUS. Record events of type PERF_RECORD_NAMESPACES and display it with the 'cgroup_id' sort key. +-G name:: +--cgroup name:: +monitor only in the container (cgroup) called "name". This option is available only +in per-cpu mode. The cgroup filesystem must be mounted. All threads belonging to +container "name" are monitored when they run on the monitored CPUs. Multiple cgroups +can be provided. Each cgroup is applied to the corresponding event, i.e., first cgroup +to first event, second cgroup to second event and so on. It is possible to provide +an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must have +corresponding events, i.e., they always refer to events defined earlier on the command +line. If the user wants to track multiple events for a specific cgroup, the user can +use '-e e1 -e e2 -G foo,foo' or just use '-e e1 -e e2 -G foo'. + --all-cgroups:: Record events of type PERF_RECORD_CGROUP and display it with the 'cgroup' sort key. |