From: Pekka Paalanen <pq@iki.fi>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, Pavel Roskin <proski@gnu.org>
Subject: Re: [PATCH] mmiotrace: add user documentation
Date: Mon, 14 Apr 2008 21:20:21 +0300 [thread overview]
Message-ID: <20080414212021.5d2c351c@daedalus.pq.iki.fi> (raw)
In-Reply-To: <Pine.LNX.4.58.0804141144500.9886@gandalf.stny.rr.com>
On Mon, 14 Apr 2008 11:49:55 -0400 (EDT)
Steven Rostedt <rostedt@goodmis.org> wrote:
> On Sun, 13 Apr 2008, Pekka Paalanen wrote:
> > +
> > +[Unimplemented feature:]
> > +During tracing you can place comments (markers) into the trace by
> > +$ echo "X is up" > /debug/tracing/marker
>
> I can implement a marker feature (logdev does this). I'll see if I can get
> something working this week.
Cool, I assumed this would require support for variable length entries.
Even if it would be very limited in length, like 16 bytes, it would be useful.
> > +[This feature is not implemented yet!]
> > +Check your kernel log. If there are messages about mmiotrace losing events,
>
> This is something of higher priority to implement. I'll work on that
> first.
Great!
> > +this is due to buffer overrun, and the trace is incomplete. You should enlarge
> > +the buffers and try again. [How?]
>
> I pretty much have the infrastructure in place to implement this. Now it's
> just time to do it ;-)
Thank you :-)
--
Pekka Paalanen
http://www.iki.fi/pq/
next prev parent reply other threads:[~2008-04-14 18:23 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080413224207.4430a09c@daedalus.pq.iki.fi>
2008-04-13 19:48 ` Pekka Paalanen
2008-04-14 15:49 ` Steven Rostedt
2008-04-14 18:20 ` Pekka Paalanen [this message]
2008-04-13 20:05 ` [BUG/PATCH] x86 mmiotrace: dynamically disable non-boot CPUs Pekka Paalanen
2008-04-14 6:57 ` Ingo Molnar
2008-04-14 18:02 ` Pekka Paalanen
2008-04-16 11:46 ` Ingo Molnar
2008-04-16 17:59 ` Pekka Paalanen
2008-04-16 18:32 ` Ingo Molnar
2008-04-16 19:07 ` Steven Rostedt
2008-04-16 20:42 ` Pekka Paalanen
2008-04-16 20:47 ` Ingo Molnar
2008-07-24 15:34 ` [Nouveau] " Stephane Marchesin
2008-04-19 15:41 ` [BUG] kmalloc_node(GFP_KERNEL) while smp_alt spinlocked Pekka Paalanen
2008-04-19 16:19 ` [PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable Mathieu Desnoyers
2008-04-19 21:06 ` Pekka Paalanen
2008-04-19 21:52 ` [BUG] CPU hotplug reboots machine (Re: [PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable) Pekka Paalanen
2008-04-19 21:58 ` [PATCH] Check for breakpoint in text_poke to eliminate bug_on Mathieu Desnoyers
2008-04-19 22:42 ` Pekka Paalanen
2008-04-20 0:05 ` Mathieu Desnoyers
2008-04-20 7:14 ` Pekka Paalanen
2008-04-20 19:44 ` Mathieu Desnoyers
2008-04-20 20:18 ` Pekka Paalanen
2008-04-20 20:25 ` Mathieu Desnoyers
2008-04-21 18:48 ` [PATCH] x86_64: fix kernel rodata NX setting Pekka Paalanen
2008-04-21 18:57 ` Steven Rostedt
2008-04-21 19:03 ` Ingo Molnar
2008-04-22 18:42 ` [repost PATCH] Fix SMP alternatives : use mutex instead of spinlock, text_poke is sleepable Pekka Paalanen
2008-04-22 19:09 ` Ingo Molnar
2008-04-22 20:22 ` Mathieu Desnoyers
2008-04-24 19:39 ` [PATCH v2] x86 mmiotrace: dynamically disable non-boot CPUs Pekka Paalanen
2008-04-26 11:13 ` Ingo Molnar
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