Messages in this thread | | | Date | Thu, 4 Dec 2008 10:10:23 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 3/3] ftrace: add ability to only trace swapper tasks |
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* Andrew Morton <akpm@linux-foundation.org> wrote:
> > Signed-off-by: Steven Rostedt <srostedt@redhat.com> > > What does this patch actually do? Is swapper currently excluded from > tracing for undisclosed reasons and this patch permits it to be traced? > If so, why was swapper thus excluded? Or am I totally off track?
> > +static struct pid * const ftrace_swapper_pid = (struct pid *)1; > > eh?
all side-effects of getting rid of the integer based PID namespace and replacing them with struct pid pointers.
Ingo
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