From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Masami Hiramatsu <mhiramat@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>
Cc: kosaki.motohiro@jp.fujitsu.com
Subject: [resend][PATCH 2/2] kprobetrace, doc: Add the explanation to remove probe points
Date: Thu, 14 Jan 2010 11:16:16 +0900 (JST) [thread overview]
Message-ID: <20100114111520.D723.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <20100114111032.D720.A69D9226@jp.fujitsu.com>
Latest kprobetrace can remove probe points selectively. thus
documentation should be updated too.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.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
next prev parent reply other threads:[~2010-01-14 2:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-14 2:14 [resend][PATCH 1/2] kprobetrace,doc: shell need single quote to use $ character KOSAKI Motohiro
2010-01-14 2:16 ` KOSAKI Motohiro [this message]
2010-01-14 5:00 ` Masami Hiramatsu
2010-01-14 5:17 ` KOSAKI Motohiro
2010-01-17 7:14 ` Ingo Molnar
2010-01-19 2:35 ` [PATCH -tip 1/2] kprobetrace, doc: " Masami Hiramatsu
2010-01-20 7:12 ` [tip:perf/core] kprobetrace, doc: Shell needs " tip-bot for Motohiro KOSAKI
2010-01-19 2:35 ` [PATCH -tip 2/2] kprobetrace, doc: Add the explanation to remove probe points Masami Hiramatsu
2010-01-19 2:45 ` Li Zefan
2010-01-19 3:05 ` Masami Hiramatsu
2010-01-19 3:05 ` Li Zefan
2010-01-19 4:22 ` Masami Hiramatsu
2010-01-20 6:18 ` Ingo Molnar
2010-01-20 7:12 ` [tip:perf/core] " tip-bot for Motohiro KOSAKI
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