--- zzzz-none-000/linux-3.10.107/tools/perf/Documentation/perf-inject.txt	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/tools/perf/Documentation/perf-inject.txt	2021-02-04 17:41:59.000000000 +0000
@@ -41,6 +41,18 @@
 	tasks slept. sched_switch contains a callchain where a task slept and
 	sched_stat contains a timeslice how long a task slept.
 
+--kallsyms=<file>::
+	kallsyms pathname
+
+--itrace::
+	Decode Instruction Tracing data, replacing it with synthesized events.
+	Options are:
+
+include::itrace.txt[]
+
+--strip::
+	Use with --itrace to strip out non-synthesized events.
+
 SEE ALSO
 --------
 linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-archive[1]