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perf trace: Add summary only option

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Per request from Pekka make --summary a summary only option meaning do
not show the individual system calls. Add another option to see all
syscalls along with the summary. In addition use 's' and 'S' as
shortcuts for the options.

Requested-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: David Ahern <dsahern@gmail.com>
Tested-by: Pekka Enberg <penberg@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pekka Enberg <penberg@kernel.org>
Link: http://lkml.kernel.org/r/1384273875-3751-1-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern
2013-11-12 09:31:15 -07:00
committed by Arnaldo Carvalho de Melo
parent 99ff715054
commit fd2eabaf16
2 changed files with 21 additions and 5 deletions
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10
tools/perf/Documentation/perf-trace.txt
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@@ -93,9 +93,15 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs.
--comm::
Show process COMM right beside its ID, on by default, disable with --no-comm.
-s::
--summary::
Show a summary of syscalls by thread with min, max, and average times (in
msec) and relative stddev.
Show only a summary of syscalls by thread with min, max, and average times
(in msec) and relative stddev.
-S::
--with-summary::
Show all syscalls followed by a summary by thread with min, max, and
average times (in msec) and relative stddev.
--tool_stats::
Show tool stats such as number of times fd->pathname was discovered thru