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-rw-r--r--tools/perf/Documentation/itrace.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index 2d586fe5e4c5..c52755481e2f 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -20,6 +20,7 @@
L synthesize last branch entries on existing event records
s skip initial number of events
q quicker (less detailed) decoding
+ A approximate IPC
Z prefer to ignore timestamps (so-called "timeless" decoding)
The default is all events i.e. the same as --itrace=ibxwpe,
@@ -61,5 +62,6 @@
debug messages will or will not be logged. Each flag must be preceded
by either '+' or '-'. The flags are:
a all perf events
+ o output to stdout
If supported, the 'q' option may be repeated to increase the effect.