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-rw-r--r--tools/perf/Documentation/perf-inject.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-inject.txt b/tools/perf/Documentation/perf-inject.txt
index 0b1cedeef895..87b2588d1cbd 100644
--- a/tools/perf/Documentation/perf-inject.txt
+++ b/tools/perf/Documentation/perf-inject.txt
@@ -53,6 +53,13 @@ include::itrace.txt[]
--strip::
Use with --itrace to strip out non-synthesized events.
+-j::
+--jit::
+ Process jitdump files by injecting the mmap records corresponding to jitted
+ functions. This option also generates the ELF images for each jitted function
+ found in the jitdumps files captured in the input perf.data file. Use this option
+ if you are monitoring environment using JIT runtimes, such as Java, DART or V8.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-archive[1]