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    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.

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      Last update: 2011-07-28 15:27    [W:0.019 / U:1.196 seconds]
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