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-rw-r--r--tools/perf/Documentation/perf-script.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index c64118a4de49..66f040b30729 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -115,7 +115,10 @@ OPTIONS
-f::
--fields
Comma separated list of fields to print. Options are:
- comm, tid, pid, time, cpu, event, trace, sym
+ comm, tid, pid, time, cpu, event, trace, sym. Field
+ list must be prepended with the type, trace, sw or hw,
+ to indicate to which event type the field list applies.
+ e.g., -f sw:comm,tid,time,sym and -f trace:time,cpu,trace
-k::
--vmlinux=<file>::