This decreases qemu_clock_deadline_ns_all's share from 23.2% to 13% in a
profile of icount-enabled aarch64-softmmu.
Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20220114004358.299534-2-idan.horowitz@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
}
QLIST_FOREACH(timer_list, &clock->timerlists, list) {
+ if (!qatomic_read(&timer_list->active_timers)) {
+ continue;
+ }
qemu_mutex_lock(&timer_list->active_timers_lock);
ts = timer_list->active_timers;
/* Skip all external timers */