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-rw-r--r--tools/perf/Documentation/perf-probe.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 27d52dae5a4..72f5d9e2143 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -17,6 +17,8 @@ or
'perf probe' --list
or
'perf probe' --line='FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]'
+or
+'perf probe' --vars='PROBEPOINT'
DESCRIPTION
-----------
@@ -57,6 +59,11 @@ OPTIONS
Show source code lines which can be probed. This needs an argument
which specifies a range of the source code. (see LINE SYNTAX for detail)
+-V::
+--vars=::
+ Show available local variables at given probe point. The argument
+ syntax is same as PROBE SYNTAX, but NO ARGs.
+
-f::
--force::
Forcibly add events with existing name.