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Date: Thu, 14 Jan 2010 11:14:57 +0900 (JST) From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> To: Masami Hiramatsu <mhiramat@...hat.com>, LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu> Cc: kosaki.motohiro@...fujitsu.com Subject: [resend][PATCH 1/2] kprobetrace,doc: shell need single quote to use $ character shell interpret $val is as shell variable. thus we need quote if we use echo command. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> Acked-by: Masami Hiramatsu <mhiramat@...hat.com> --- Documentation/trace/kprobetrace.txt | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index 47aabee..2be6e19 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt @@ -82,13 +82,13 @@ Usage examples To add a probe as a new event, write a new definition to kprobe_events as below. - echo p:myprobe do_sys_open dfd=$arg0 filename=$arg1 flags=$arg2 mode=$arg3 > /sys/kernel/debug/tracing/kprobe_events + echo 'p:myprobe do_sys_open dfd=$arg0 filename=$arg1 flags=$arg2 mode=$arg3' > /sys/kernel/debug/tracing/kprobe_events This sets a kprobe on the top of do_sys_open() function with recording 1st to 4th arguments as "myprobe" event. As this example shows, users can choose more familiar names for each arguments. - echo r:myretprobe do_sys_open $retval >> /sys/kernel/debug/tracing/kprobe_events + echo 'r:myretprobe do_sys_open $retval' >> /sys/kernel/debug/tracing/kprobe_events This sets a kretprobe on the return point of do_sys_open() function with recording return value as "myretprobe" event. -- 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/ -- 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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