update perf script help message

brendangregg · Jun 22, 2017 · 6a152bf · 6a152bf
1 parent e83d1bc
commit 6a152bf
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/stackcollapse-perf.pl b/stackcollapse-perf.pl
@@ -100,8 +100,10 @@ sub remember_stack {
 	--kernel	# annotate kernel functions with a _[k]
 	--jit		# annotate jit functions with a _[j]
 	--context	# adds source context to --inline\n
-[1] perf script must emit both PID and TIDs for these to work; eg:
+[1] perf script must emit both PID and TIDs for these to work; eg, Linux < 4.1:
 	perf script -f comm,pid,tid,cpu,time,event,ip,sym,dso,trace
+    for Linux >= 4.1:
+	perf script -F comm,pid,tid,cpu,time,event,ip,sym,dso,trace
 USAGE_END
 
 if ($annotate_all) {