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authorKan Liang <kan.liang@intel.com>2015-06-17 09:51:11 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-06-19 18:27:13 -0300
commit9d9cad763ca79dd3697e9f2d1df648e37496582b (patch)
treef59dd3c9d866c2fa8aa85b90c1eac83bf4f515a9 /tools/perf/Documentation/perf-top.txt
parent930e6fcd2bcce9bcd9d4aa7e755678d33f3fe6f4 (diff)
downloadlinux-9d9cad763ca79dd3697e9f2d1df648e37496582b.tar.bz2
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-top.txt')
-rw-r--r--tools/perf/Documentation/perf-top.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 9e5b07eb7d35..776aec4d0927 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -201,6 +201,12 @@ Default is to monitor all CPUS.
Force each column width to the provided list, for large terminal
readability. 0 means no limit (default behavior).
+--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.
+
INTERACTIVE PROMPTING KEYS
--------------------------