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| author | Kan Liang <kan.liang@intel.com> | 2015-06-17 15:51:11 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-06-19 23:27:13 +0200 |
| commit | 9d9cad763ca79dd3697e9f2d1df648e37496582b (patch) | |
| tree | f59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/Documentation/perf-kvm.txt | |
| parent | perf tools: Add time out to force stop proc map processing (diff) | |
| download | linux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.xz linux-9d9cad763ca79dd3697e9f2d1df648e37496582b.zip | |
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-kvm.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-kvm.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt index 6252e776009c..6a5bb2b17039 100644 --- a/tools/perf/Documentation/perf-kvm.txt +++ b/tools/perf/Documentation/perf-kvm.txt @@ -151,6 +151,12 @@ STAT LIVE OPTIONS Show events other than HLT (x86 only) or Wait state (s390 only) that take longer than duration usecs. +--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-top[1], linkperf:perf-record[1], linkperf:perf-report[1], |