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Diffstat (limited to 'tools/perf/Documentation/perf-script.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 79445750fcb3..05df64804def 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -221,6 +221,33 @@ OPTIONS --header-only Show only perf.data header. +--itrace:: + Options for decoding instruction tracing data. The options are: + + i synthesize instructions events + b synthesize branches events + c synthesize branches events (calls only) + r synthesize branches events (returns only) + e synthesize error events + d create a debug log + g synthesize a call chain for instructions events + + The default is all events i.e. the same as --itrace=ibe + + In addition, the period (default 100000) for instructions events + can be specified in units of: + + i instructions + t ticks + ms milliseconds + us microseconds + ns nanoseconds (default) + + Also the call chain size (default 16, max. 1024) for instructions + events can be specified. + + To disable decoding entirely, use --no-itrace. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], |