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-rw-r--r--tools/perf/Documentation/perf-trace.txt15
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt
index 60e5900..8879299 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -19,6 +19,11 @@ There are several variants of perf trace:
'perf trace' to see a detailed trace of the workload that was
recorded.
+ You can also run a set of pre-canned scripts that aggregate and
+ summarize the raw trace data in various ways (the list of scripts is
+ available via 'perf trace -l'). The following variants allow you to
+ record and run those scripts:
+
'perf trace record <script>' to record the events required for 'perf
trace report'. <script> is the name displayed in the output of
'perf trace --list' i.e. the actual script name minus any language
@@ -31,6 +36,9 @@ There are several variants of perf trace:
record <script>' is used and should be present for this command to
succeed.
+ See the 'SEE ALSO' section for links to language-specific
+ information on how to write and run your own trace scripts.
+
OPTIONS
-------
-D::
@@ -45,9 +53,11 @@ OPTIONS
--list=::
Display a list of available trace scripts.
--s::
+-s ['lang']::
--script=::
Process trace data with the given script ([lang]:script[.ext]).
+ If the string 'lang' is specified in place of a script name, a
+ list of supported languages will be displayed instead.
-g::
--gen-script=::
@@ -56,4 +66,5 @@ OPTIONS
SEE ALSO
--------
-linkperf:perf-record[1], linkperf:perf-trace-perl[1]
+linkperf:perf-record[1], linkperf:perf-trace-perl[1],
+linkperf:perf-trace-python[1]
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