Messages in this thread | | | Subject | Re: comments on Performance Counters for Linux (PCL) | From | Peter Zijlstra <> | Date | Thu, 28 May 2009 18:47:36 +0200 |
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On Thu, 2009-05-28 at 18:25 +0200, Peter Zijlstra wrote: > > - uint64_t exclude_* > > > > It seems those fields were added to support the generic HW events. But > > I think they are confusing and their semantic is not quite clear. > > > > Furthermore, aren't they irrelevant for the SW events? > > They are.
It seems I can't read. They are _not_ irrelevant, sw events do honour them. We can for instance distinguish between the kernel causing a pagefualt and userspace doing so.
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