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timer: last, remove last bits of last

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The reset notifiers kept a 'last' counter to notice jumps;
now that we've remove the notifier we don't need to keep 'last'.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190724115823.4199-5-dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2019-07-24 12:58:23 +01:00 • committed by Paolo Bonzini
parent a02fe2ca70
commit 3c2d4c8aa6
2 changed files with 1 additions and 34 deletions
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13
include/qemu/timer.h
View file

@ -248,19 +248,6 @@ bool qemu_clock_run_timers(QEMUClockType type);
*/ */
bool qemu_clock_run_all_timers(void); bool qemu_clock_run_all_timers(void);
/**
* qemu_clock_get_last:
*
* Returns last clock query time.
*/
uint64_t qemu_clock_get_last(QEMUClockType type);
/**
* qemu_clock_set_last:
*
* Sets last clock query time.
*/
void qemu_clock_set_last(QEMUClockType type, uint64_t last);
/* /*
* QEMUTimerList * QEMUTimerList

22
util/qemu-timer.c
View file

@ -47,8 +47,6 @@ typedef struct QEMUClock {
/* We rely on BQL to protect the timerlists */ /* We rely on BQL to protect the timerlists */
QLIST_HEAD(, QEMUTimerList) timerlists; QLIST_HEAD(, QEMUTimerList) timerlists;
int64_t last;
QEMUClockType type; QEMUClockType type;
bool enabled; bool enabled;
} QEMUClock; } QEMUClock;
@ -129,7 +127,6 @@ static void qemu_clock_init(QEMUClockType type, QEMUTimerListNotifyCB *notify_cb
clock->type = type; clock->type = type;
clock->enabled = (type == QEMU_CLOCK_VIRTUAL ? false : true); clock->enabled = (type == QEMU_CLOCK_VIRTUAL ? false : true);
clock->last = INT64_MIN;
QLIST_INIT(&clock->timerlists); QLIST_INIT(&clock->timerlists);
main_loop_tlg.tl[type] = timerlist_new(type, notify_cb, NULL); main_loop_tlg.tl[type] = timerlist_new(type, notify_cb, NULL);
} }
@ -627,9 +624,6 @@ int64_t timerlistgroup_deadline_ns(QEMUTimerListGroup *tlg)
int64_t qemu_clock_get_ns(QEMUClockType type) int64_t qemu_clock_get_ns(QEMUClockType type)
{ {
int64_t now;
QEMUClock *clock = qemu_clock_ptr(type);
switch (type) { switch (type) {
case QEMU_CLOCK_REALTIME: case QEMU_CLOCK_REALTIME:
return get_clock(); return get_clock();
@ -641,26 +635,12 @@ int64_t qemu_clock_get_ns(QEMUClockType type)
return cpu_get_clock(); return cpu_get_clock();
} }
case QEMU_CLOCK_HOST: case QEMU_CLOCK_HOST:
now = REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime()); return REPLAY_CLOCK(REPLAY_CLOCK_HOST, get_clock_realtime());
clock->last = now;
return now;
case QEMU_CLOCK_VIRTUAL_RT: case QEMU_CLOCK_VIRTUAL_RT:
return REPLAY_CLOCK(REPLAY_CLOCK_VIRTUAL_RT, cpu_get_clock()); return REPLAY_CLOCK(REPLAY_CLOCK_VIRTUAL_RT, cpu_get_clock());
} }
} }
uint64_t qemu_clock_get_last(QEMUClockType type)
{
QEMUClock *clock = qemu_clock_ptr(type);
return clock->last;
}
void qemu_clock_set_last(QEMUClockType type, uint64_t last)
{
QEMUClock *clock = qemu_clock_ptr(type);
clock->last = last;
}
void init_clocks(QEMUTimerListNotifyCB *notify_cb) void init_clocks(QEMUTimerListNotifyCB *notify_cb)
{ {
QEMUClockType type; QEMUClockType type;