diff options
Diffstat (limited to 'kernel/tools/perf/Documentation/perf-trace.txt')
| -rw-r--r-- | kernel/tools/perf/Documentation/perf-trace.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/tools/perf/Documentation/perf-trace.txt b/kernel/tools/perf/Documentation/perf-trace.txt index ba03fd5d1..13293de88 100644 --- a/kernel/tools/perf/Documentation/perf-trace.txt +++ b/kernel/tools/perf/Documentation/perf-trace.txt @@ -35,7 +35,7 @@ OPTIONS -e:: --expr:: - List of events to show, currently only syscall names. + List of syscalls to show, currently only syscall names. Prefixing with ! shows all syscalls but the ones specified. You may need to escape it. @@ -62,7 +62,6 @@ OPTIONS --verbose=:: Verbosity level. --i:: --no-inherit:: Child tasks do not inherit counters. @@ -121,6 +120,11 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs. --event:: Trace other events, see 'perf list' for a complete list. +--proc-map-timeout:: + When processing pre-existing threads /proc/XXX/mmap, it may take a long time, + because the file may be huge. A time out is needed in such cases. + This option sets the time out limit. The default value is 500 ms. + PAGEFAULTS ---------- |