Commit df3ab708 authored by Motohiro KOSAKI's avatar Motohiro KOSAKI Committed by Ingo Molnar
Browse files

kprobetrace, doc: Add the explanation to remove probe points



Latest kprobetrace can remove probe points selectively, thus
the documentation should be updated too.
Signed-off-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: default avatarMasami Hiramatsu <mhiramat@redhat.com>
Cc: systemtap <systemtap@sources.redhat.com>
Cc: DLE <dle-develop@lists.sourceforge.net>
LKML-Reference: <20100119023512.31880.35535.stgit@localhost6.localdomain6>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 580d9e00
......@@ -24,6 +24,7 @@ Synopsis of kprobe_events
-------------------------
p[:[GRP/]EVENT] SYMBOL[+offs]|MEMADDR [FETCHARGS] : Set a probe
r[:[GRP/]EVENT] SYMBOL[+0] [FETCHARGS] : Set a return probe
-:[GRP/]EVENT : Clear a probe
GRP : Group name. If omitted, use "kprobes" for it.
EVENT : Event name. If omitted, the event name is generated
......@@ -122,6 +123,12 @@ REC->dfd, REC->filename, REC->flags, REC->mode
This clears all probe points.
Or,
echo -:myprobe >> kprobe_events
This clears probe points selectively.
Right after definition, each event is disabled by default. For tracing these
events, you need to enable it.
......
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