From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Sam Ravnborg <sam@ravnborg.org>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 00/15] [git pull] for tip/tracing/ftrace
Date: Tue, 17 Feb 2009 15:37:52 +0100 [thread overview]
Message-ID: <20090217143752.GB7576@elte.hu> (raw)
In-Reply-To: <alpine.DEB.1.10.0902170747160.910@gandalf.stny.rr.com>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> > > I implement a 'traceon' and 'traceoff' to have a function
> > > start or stop tracing when it is hit. It also includes a
> > > counter for the number of times to implement the trace on/off.
> > >
> > > echo '*_lock:traceon:4' > set_ftrace_filter
> > > echo '*_unlock:traceoff:5' > set_ftrace_filter
> >
> > if there's no counter specified, does it default to 1
> > [single-shot trigger] or infinity?
>
> Bad documentation on my part :-/
>
> No number is infinity, since infinity is no number ;-)
Well infinity is a number too, in most schools of algebra, just
one with unusual properties :)
Ingo
next prev parent reply other threads:[~2009-02-17 15:02 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-17 5:12 [PATCH 00/15] [git pull] for tip/tracing/ftrace Steven Rostedt
2009-02-17 5:12 ` [PATCH 01/15] ftrace: state that all functions are enabled in set_ftrace_filter Steven Rostedt
2009-02-17 5:12 ` [PATCH 02/15] ftrace: add do_for_each_ftrace_rec and while_for_each_ftrace_rec Steven Rostedt
2009-02-17 5:12 ` [PATCH 03/15] ftrace: rename ftrace_match to ftrace_match_records Steven Rostedt
2009-02-17 5:12 ` [PATCH 04/15] ftrace: break up ftrace_match_records into smaller components Steven Rostedt
2009-02-17 10:34 ` Ingo Molnar
2009-02-17 5:12 ` [PATCH 05/15] ftrace: add module command function filter selection Steven Rostedt
2009-02-17 5:12 ` [PATCH 06/15] ftrace: enable filtering only when a function is filtered on Steven Rostedt
2009-02-17 5:12 ` [PATCH 07/15] ftrace: add command interface for function selection Steven Rostedt
2009-02-17 5:12 ` [PATCH 08/15] ftrace: convert ftrace_lock from a spinlock to mutex Steven Rostedt
2009-02-17 5:12 ` [PATCH 09/15] ftrace: consolidate mutexes Steven Rostedt
2009-02-17 5:12 ` [PATCH 10/15] ftrace: trace different functions with a different tracer Steven Rostedt
2009-02-17 18:45 ` Paul E. McKenney
2009-02-17 18:53 ` Steven Rostedt
2009-02-17 5:12 ` [PATCH 11/15] ring-buffer: add tracing_is_on to test if ring buffer is enabled Steven Rostedt
2009-02-17 5:12 ` [PATCH 12/15] ftrace: add traceon traceoff commands to enable/disable the buffers Steven Rostedt
2009-02-17 10:37 ` Ingo Molnar
2009-02-17 12:45 ` Steven Rostedt
2009-02-17 12:47 ` Ingo Molnar
2009-02-17 5:12 ` [PATCH 13/15] ftrace: show selected functions in set_ftrace_filter Steven Rostedt
2009-02-17 5:12 ` [PATCH 14/15] ftrace: add pretty print to selected fuction traces Steven Rostedt
2009-02-17 5:12 ` [PATCH 15/15] ftrace: add pretty print function for traceon and traceoff hooks Steven Rostedt
2009-02-17 10:42 ` [PATCH 00/15] [git pull] for tip/tracing/ftrace Ingo Molnar
2009-02-17 12:49 ` Steven Rostedt
2009-02-17 14:37 ` Ingo Molnar [this message]
2009-02-18 0:41 ` Sam Ravnborg
2009-02-18 0:51 ` Ingo Molnar
2009-02-17 17:09 ` Steven Rostedt
2009-02-17 23:46 ` Ingo Molnar
2009-02-17 14:24 ` Frederic Weisbecker
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