diff options
| author | Kan Liang <kan.liang@intel.com> | 2015-06-17 09:51:11 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-19 18:27:13 -0300 |
| commit | 9d9cad763ca79dd3697e9f2d1df648e37496582b (patch) | |
| tree | f59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/Documentation/perf-record.txt | |
| parent | 930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4 (diff) | |
perf tools: Configurable per thread proc map processing time out
The time out to limit the individual proc map processing was hard code
to 500ms. This patch introduce a new option --proc-map-timeout to make
the time limit configurable.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ying Huang <ying.huang@intel.com>
Link: http://lkml.kernel.org/r/1434549071-25611-2-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 6fdf78625c51..9b9d9d086680 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -271,6 +271,11 @@ AUX area tracing event. Optionally the number of bytes to capture per snapshot can be specified. In Snapshot Mode, trace data is captured only when signal SIGUSR2 is received. +--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. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] |