[lkml]   [2011]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2 0/6] Add tracepoints to trace all system IRQs
On Thu, 2011-07-28 at 15:09 +0200, Frederic Weisbecker wrote:
> On Thu, Jul 28, 2011 at 02:53:52PM +0200, Peter Zijlstra wrote:
> > On Thu, 2011-07-28 at 14:31 +0200, Frederic Weisbecker wrote:
> > >
> > > Because that requires to put the tracepoints in every interrupt sources
> > > for every archs instead of putting one in the generic space.
> >
> > Yeah so, he needs to touch arch code anyway.
> He needs to touch arch code for pure arch interrupts or some cases
> where we don't have the choice. But otherwise there are many
> cases where we can put that in the generic code.

Which I just pointed out you can't, some 'generic' handlers are in fact
multiplexed on a single arch interrupt. If you want all interrupts, use
pure arch hooks at the lowest level and stop mucking about.

 \ /
  Last update: 2011-07-28 15:27    [W:0.074 / U:0.100 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site