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Date: Thu, 24 Dec 2009 11:09:02 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Masami Hiramatsu <mhiramat@...hat.com>, LKML <linux-kernel@...r.kernel.org> Cc: kosaki.motohiro@...fujitsu.com Subject: [PATCH] doc: kprobetrace: Add the explanation to remove probe points Latest kprobetrace can remove probe points selectively. thus documentation should be updated too. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> Cc: Masami Hiramatsu <mhiramat@...hat.com> --- Documentation/trace/kprobetrace.txt | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index 2be6e19..8c88930 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt @@ -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 @@ -121,6 +122,12 @@ print fmt: "(%lx) dfd=%lx filename=%lx flags=%lx mode=%lx", REC->ip, REC->dfd, R 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. -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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