Messages in this thread | | | Date | Fri, 16 Nov 2007 14:06:50 -0500 | From | Mark Lord <> | Subject | Re: [BUG] Strange 1-second pauses during Resume-from-RAM |
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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.
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