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throttle: introduce enum ThrottleDirection 

Use enum ThrottleDirection instead of number index.

Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230728022006.1098509-2-pizhenwei@bytedance.com>
Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
This commit is contained in:
zhenwei pi 2023-07-28 10:19:58 +08:00 committed by Hanna Czenczek
parent f5fe7c17ac
commit 8ba02c24ea
2 changed files with 17 additions and 10 deletions
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11
include/qemu/throttle.h
View File

@ -99,13 +99,18 @@ typedef struct ThrottleState {
int64_t previous_leak; /* timestamp of the last leak done */
} ThrottleState;
typedef enum {
THROTTLE_READ = 0,
THROTTLE_WRITE,
THROTTLE_MAX
} ThrottleDirection;
typedef struct ThrottleTimers {
QEMUTimer *timers[2]; /* timers used to do the throttling */
QEMUTimer *timers[THROTTLE_MAX]; /* timers used to do the throttling */
QEMUClockType clock_type; /* the clock used */
/* Callbacks */
QEMUTimerCB *read_timer_cb;
QEMUTimerCB *write_timer_cb;
QEMUTimerCB *timer_cb[THROTTLE_MAX];
void *timer_opaque;
} ThrottleTimers;

16
util/throttle.c
View File

@ -199,10 +199,12 @@ static bool throttle_compute_timer(ThrottleState *ts,
void throttle_timers_attach_aio_context(ThrottleTimers *tt,
AioContext *new_context)
{
tt->timers[0] = aio_timer_new(new_context, tt->clock_type, SCALE_NS,
tt->read_timer_cb, tt->timer_opaque);
tt->timers[1] = aio_timer_new(new_context, tt->clock_type, SCALE_NS,
tt->write_timer_cb, tt->timer_opaque);
tt->timers[THROTTLE_READ] =
aio_timer_new(new_context, tt->clock_type, SCALE_NS,
tt->timer_cb[THROTTLE_READ], tt->timer_opaque);
tt->timers[THROTTLE_WRITE] =
aio_timer_new(new_context, tt->clock_type, SCALE_NS,
tt->timer_cb[THROTTLE_WRITE], tt->timer_opaque);
}
/*
@ -236,8 +238,8 @@ void throttle_timers_init(ThrottleTimers *tt,
memset(tt, 0, sizeof(ThrottleTimers));
tt->clock_type = clock_type;
tt->read_timer_cb = read_timer_cb;
tt->write_timer_cb = write_timer_cb;
tt->timer_cb[THROTTLE_READ] = read_timer_cb;
tt->timer_cb[THROTTLE_WRITE] = write_timer_cb;
tt->timer_opaque = timer_opaque;
throttle_timers_attach_aio_context(tt, aio_context);
}
@ -256,7 +258,7 @@ void throttle_timers_detach_aio_context(ThrottleTimers *tt)
{
int i;
for (i = 0; i < 2; i++) {
for (i = 0; i < THROTTLE_MAX; i++) {
throttle_timer_destroy(&tt->timers[i]);
}
}