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    SubjectRe: [BUG] Strange 1-second pauses during Resume-from-RAM
    Ingo Molnar wrote:
    > * Ingo Molnar <mingo@elte.hu> wrote:
    >
    >>> Is there a version of these that works with 2.6.23.1 ?
    >> yes, i've backported it and have uploaded the v2.6.23 version to:
    >>
    >> http://redhat.com/~mingo/latency-tracing-patches/latency-tracer-v2.6.23.1-combo.patch
    ..

    > ok, i experimented around with the latency tracer, trying to capture the
    > trace of a full suspend+resume cycle, and it needed the tracer fix below
    > (GTOD clocksource suspend/resume would otherwise confuse the tracer and
    > you'd get no trace output as a result).
    >
    > once that tracer bug was fixed, the best method to generate a trace was
    > to do this:
    >
    > echo 1 > /proc/sys/kernel/stackframe_tracing
    > echo 1 > /proc/sys/kernel/syscall_tracing
    > ./trace-cmd bash -c "echo mem > /sys/power/state" > trace.txt
    ..

    I've applied the tracer for 2.6.23.1 patch, plus the bugfix,
    and now I just get blinking-LEDs (black screen of death) on resume.

    Cheers
    -
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