Ben Greear writes:
> > Changes:
> > * use a nano-second timer based on the scheduler timer (TSC) for relative
> > times, instead of get_time_of_day.
Seems I missed to set tsc as clocksource. It makes a difference. Performance is
normal and I'm less confused.
e1000 82546GB @ 1.6 GHz Opteron. Kernel 2.6.19-rc1_Bifrost_-g18e199c6-dirty
echo acpi_pm >
/sys/devices/system/clocksource/clocksource0/current_clocksource
psize pps
---------
60 556333
124 526942
252 452981
508 234996
1020 119748
1496 82248
echo tsc >
/sys/devices/system/clocksource/clocksource0/current_clocksource
psize pps
---------
60 819914
124 747286
252 452975
508 234993
1020 119749
1496 82247
Cheers.
--ro
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