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| author | Adrian Hunter <adrian.hunter@intel.com> | 2020-07-10 17:11:02 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 13:24:03 +0200 |
| commit | 51971536ef53478ec92cd9e8249048743169df22 (patch) | |
| tree | f202340a9824d8fcac16a77f8619498ffa8691c1 /tools/perf/Documentation/itrace.txt | |
| parent | perf intel-pt: Time filter logged perf events (diff) | |
| download | linux-51971536ef53478ec92cd9e8249048743169df22.tar.xz linux-51971536ef53478ec92cd9e8249048743169df22.zip | |
perf auxtrace: Add itrace 'q' option for quicker, less detailed decoding
The 'q' option is for modes of decoding that are quicker because they
skip or omit decoding some aspects of trace data.
If supported, the 'q' option may be repeated to increase the effect.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20200710151104.15137-11-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/itrace.txt')
| -rw-r--r-- | tools/perf/Documentation/itrace.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt index 9c0e8586ed47..d3740c8f399b 100644 --- a/tools/perf/Documentation/itrace.txt +++ b/tools/perf/Documentation/itrace.txt @@ -18,6 +18,7 @@ l synthesize last branch entries (use with i or x) L synthesize last branch entries on existing event records s skip initial number of events + q quicker (less detailed) decoding The default is all events i.e. the same as --itrace=ibxwpe, except for perf script where it is --itrace=ce @@ -58,3 +59,5 @@ debug messages will or will not be logged. Each flag must be preceded by either '+' or '-'. The flags are: a all perf events + + If supported, the 'q' option may be repeated to increase the effect. |