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Diffstat (limited to 'tools/perf/Documentation/perf-script.txt')
-rw-r--r-- | tools/perf/Documentation/perf-script.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 974ceb12c7f3..7b622a812a72 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -329,6 +329,22 @@ include::itrace.txt[] stop time is not given (i.e, time string is 'x.y,') then analysis goes to end of file. + Also support time percent with multipe time range. Time string is + 'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'. The maximum number of slices is 10. + + For example: + Select the second 10% time slice + perf script --time 10%/2 + + Select from 0% to 10% time slice + perf script --time 0%-10% + + Select the first and second 10% time slices + perf script --time 10%/1,10%/2 + + Select from 0% to 10% and 30% to 40% slices + perf script --time 0%-10%,30%-40% + --max-blocks:: Set the maximum number of program blocks to print with brstackasm for each sample. |