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-rw-r--r--tools/perf/Documentation/itrace.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index e2a4c5e0dbe5..a3abe04c779d 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -3,13 +3,15 @@
c synthesize branches events (calls only)
r synthesize branches events (returns only)
x synthesize transactions events
+ w synthesize ptwrite events
+ p synthesize power events
e synthesize error events
d create a debug log
g synthesize a call chain (use with i or x)
l synthesize last branch entries (use with i or x)
s skip initial number of events
- The default is all events i.e. the same as --itrace=ibxe
+ The default is all events i.e. the same as --itrace=ibxwpe
In addition, the period (default 100000) for instructions events
can be specified in units of:
@@ -26,8 +28,8 @@
Also the number of last branch entries (default 64, max. 1024) for
instructions or transactions events can be specified.
- It is also possible to skip events generated (instructions, branches, transactions)
- at the beginning. This is useful to ignore initialization code.
+ It is also possible to skip events generated (instructions, branches, transactions,
+ ptwrite, power) at the beginning. This is useful to ignore initialization code.
--itrace=i0nss1000000