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variable timer intervals

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This patch introduces dynamic timer intervals: we slow down the refresh
rate when there in no much activity but we get back to a fast refresh
rate when the activity resume.

Please note that qemu_timer_expired is not an inline function any more
because I needed to call it from vnc.c however I don't think this change
should have any serious consequence.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This commit is contained in:
Stefano Stabellini 2009-08-03 10:56:01 +01:00 • committed by Anthony Liguori
parent 1fc624122f
commit 2430ffe4c8
4 changed files with 33 additions and 10 deletions
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qemu-timer.h
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@ -24,6 +24,7 @@ void qemu_free_timer(QEMUTimer *ts);
void qemu_del_timer(QEMUTimer *ts);
void qemu_mod_timer(QEMUTimer *ts, int64_t expire_time);
int qemu_timer_pending(QEMUTimer *ts);
int qemu_timer_expired(QEMUTimer *timer_head, int64_t current_time);
extern int64_t ticks_per_sec;