[PATCH v1] rtc/mc146818rtc: improve rtc performance

[Evanzhang <Evanzhang@archeros.com>]

1.hw/rtc/mc146818rtc.c:48
  open #define DEBUG_COALESCEDOD
2.create win7 4u 4g vm
3.Play 1080p video full screen
4.observe qemu log message
  DPRINTF_C("cmos: coalesced irqs decreased to %d\n",
  s->irq_coalesced);
4.perf kvm stat record -a -p $(pidof qemu-kvm) sleep 600
  perf kvm stat report --event=vmexit
5.record EXTERNAL_INTERRUPT

Evanzhang (1):
  rtc/mc146818rtc: improve rtc performance

 hw/rtc/mc146818rtc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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2.9.5