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    SubjectRe: [PATCH 1/2] trace,x86: Add tracepoint to x86 timer interrupt handler
    On Wed, Sep 21, 2011 at 2:01 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
    > On Fri, 29 Jul 2011, Vaibhav Nagarnaik wrote:
    >
    >> The x86 timer interrupt handler is the only handler not traced in the
    >> irq/irq_handler_{entry|exit} trace events.
    >
    > Nonsense. The timer irq (irq0) comes via the genirq interrupt handling
    > and not via a special vector. So it's traced already.
    >

    Thanks for pointing it out, I confused the PIT/HPET for the local timer
    vector.

    Could you also take a look at the patches that add tracing for traps?
    https://lkml.org/lkml/2011/5/3/455
    https://lkml.org/lkml/2011/5/3/456



    Vaibhav Nagarnaik


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