Message ID | 1412688279-8312-7-git-send-email-benoit.canet@nodalink.com |
---|---|
State | New |
Headers | show |
On Tue, 10/07 15:24, Benoît Canet wrote: > This will be needed by the group throttling algorithm. > > Signed-off-by: Benoit Canet <benoit.canet@nodalink.com> > --- > include/qemu/throttle.h | 2 ++ > util/throttle.c | 11 +++++++++++ > 2 files changed, 13 insertions(+) > > diff --git a/include/qemu/throttle.h b/include/qemu/throttle.h > index 3a16c48..3b9d1b8 100644 > --- a/include/qemu/throttle.h > +++ b/include/qemu/throttle.h > @@ -127,6 +127,8 @@ bool throttle_schedule_timer(ThrottleState *ts, > bool is_write, > bool *armed); > > +void throttle_fire_timer(ThrottleTimers *tt, bool is_write); > + > void throttle_timer_fired(ThrottleState *ts, bool is_write); > > void throttle_account(ThrottleState *ts, bool is_write, uint64_t size); > diff --git a/util/throttle.c b/util/throttle.c > index a273acb..163b9d0 100644 > --- a/util/throttle.c > +++ b/util/throttle.c > @@ -403,6 +403,17 @@ bool throttle_schedule_timer(ThrottleState *ts, > return true; > } > > +/* Schedule a throttle timer like a BH Why not use a real BH? It's more efficient than a timer scheduled at now + 1. Fam > + * > + * @tt: The timers structure > + * @is_write: the type of operation (read/write) > + */ > +void throttle_fire_timer(ThrottleTimers *tt, bool is_write) > +{ > + int64_t now = qemu_clock_get_ns(tt->clock_type); > + timer_mod(tt->timers[is_write], now + 1); > +} > + > /* Remember that now timers are currently armed > * > * @ts: the throttle state we are working on > -- > 2.1.1 >
diff --git a/include/qemu/throttle.h b/include/qemu/throttle.h index 3a16c48..3b9d1b8 100644 --- a/include/qemu/throttle.h +++ b/include/qemu/throttle.h @@ -127,6 +127,8 @@ bool throttle_schedule_timer(ThrottleState *ts, bool is_write, bool *armed); +void throttle_fire_timer(ThrottleTimers *tt, bool is_write); + void throttle_timer_fired(ThrottleState *ts, bool is_write); void throttle_account(ThrottleState *ts, bool is_write, uint64_t size); diff --git a/util/throttle.c b/util/throttle.c index a273acb..163b9d0 100644 --- a/util/throttle.c +++ b/util/throttle.c @@ -403,6 +403,17 @@ bool throttle_schedule_timer(ThrottleState *ts, return true; } +/* Schedule a throttle timer like a BH + * + * @tt: The timers structure + * @is_write: the type of operation (read/write) + */ +void throttle_fire_timer(ThrottleTimers *tt, bool is_write) +{ + int64_t now = qemu_clock_get_ns(tt->clock_type); + timer_mod(tt->timers[is_write], now + 1); +} + /* Remember that now timers are currently armed * * @ts: the throttle state we are working on
This will be needed by the group throttling algorithm. Signed-off-by: Benoit Canet <benoit.canet@nodalink.com> --- include/qemu/throttle.h | 2 ++ util/throttle.c | 11 +++++++++++ 2 files changed, 13 insertions(+)