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perf time-utils: Add support for multiple explicit time intervals

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Currently only a single explicit time range is accepted. Add support for
multiple ranges separated by spaces, which requires the string to be
quoted. Update the time utils test accordingly.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20190604130017.31207-20-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter
2019-06-04 16:00:17 +03:00
committed by Arnaldo Carvalho de Melo
parent e39a12cbd2
commit a77a05e233
5 changed files with 94 additions and 11 deletions
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3
tools/perf/Documentation/perf-script.txt
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@@ -364,7 +364,8 @@ include::itrace.txt[]
have the format seconds.nanoseconds. If start is not given (i.e. time
string is ',x.y') then analysis starts at the beginning of the file. If
stop time is not given (i.e. time string is 'x.y,') then analysis goes
to end of file.
to end of file. Multiple ranges can be separated by spaces, which
requires the argument to be quoted e.g. --time "1234.567,1234.789 1235,"
Also support time percent with multiple time ranges. Time string is
'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'.