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-rw-r--r--Documentation/trace/kprobetrace.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt
index a849889e609..6521681e783 100644
--- a/Documentation/trace/kprobetrace.txt
+++ b/Documentation/trace/kprobetrace.txt
@@ -25,9 +25,10 @@ probe events via /sys/kernel/debug/tracing/events/kprobes/<EVENT>/filter.
Synopsis of kprobe_events
-------------------------
- p[:EVENT] SYMBOL[+offs]|MEMADDR [FETCHARGS] : Set a probe
- r[:EVENT] SYMBOL[+0] [FETCHARGS] : Set a return probe
+ p[:[GRP/]EVENT] SYMBOL[+offs]|MEMADDR [FETCHARGS] : Set a probe
+ r[:[GRP/]EVENT] SYMBOL[+0] [FETCHARGS] : Set a return probe
+ GRP : Group name. If omitted, use "kprobes" for it.
EVENT : Event name. If omitted, the event name is generated
based on SYMBOL+offs or MEMADDR.
SYMBOL[+offs] : Symbol+offset where the probe is inserted.