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| author | Kan Liang <kan.liang@intel.com> | 2015-06-17 16:51:11 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-20 00:27:13 +0300 |
| commit | 9d9cad763ca79dd3697e9f2d1df648e37496582b (patch) | |
| tree | f59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/Documentation/perf-trace.txt | |
| parent | 930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4 (diff) | |
| download | linux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.xz | |
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-trace.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 1db9c8b79880..7ea078658a87 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -121,6 +121,11 @@ 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 ---------- |