Re: [PATCH 1/2] ftrace: Add task_comm support for trace_event

From: Christoph Hellwig
Date: Sun May 24 2009 - 17:41:38 EST


On Thu, May 21, 2009 at 10:18:14AM -0400, Steven Rostedt wrote:
> From: Zhaolei <zhaolei@xxxxxxxxxxxxxx>
>
> If we use trace_event alone(without function trace, .etc),
> it can't output enough task command information.

For some reason I still only see the process name sometimes but not
always. It is more likely to appear for later entries than earlier
ones (and no, this is not an IRQ context problem as this is with
my work in progress XFS trace events, and XFS runs no major piece of
code in IRQ context)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/