void CALLBACK host_alarm_handler(UINT uTimerID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) #else static void host_alarm_handler(int host_signum) #endif { #if 0 #define DISP_FREQ 1000 { static int64_t delta_min = INT64_MAX; static int64_t delta_max, delta_cum, last_clock, delta, ti; static int count; ti = qemu_get_clock(vm_clock); if (last_clock != 0) { delta = ti - last_clock; if (delta < delta_min) delta_min = delta; if (delta > delta_max) delta_max = delta; delta_cum += delta; if (++count == DISP_FREQ) { printf("timer: min=%" PRId64 " us max=%" PRId64 " us avg=%" PRId64 " us avg_freq=%0.3f Hz\n", muldiv64(delta_min, 1000000, ticks_per_sec), muldiv64(delta_max, 1000000, ticks_per_sec), muldiv64(delta_cum, 1000000 / DISP_FREQ, ticks_per_sec), (double)ticks_per_sec / ((double)delta_cum / DISP_FREQ)); count = 0; delta_min = INT64_MAX; delta_max = 0; delta_cum = 0; } } last_clock = ti; } #endif if (alarm_has_dynticks(alarm_timer) || qemu_timer_expired(active_timers[QEMU_TIMER_VIRTUAL], qemu_get_clock(vm_clock)) || qemu_timer_expired(active_timers[QEMU_TIMER_REALTIME], qemu_get_clock(rt_clock))) { #ifdef _WIN32 struct qemu_alarm_win32 *data = ((struct qemu_alarm_timer*)dwUser)->priv; SetEvent(data->host_alarm); #endif CPUState *env = next_cpu; /* stop the currently executing cpu because a timer occured */ cpu_interrupt(env, CPU_INTERRUPT_EXIT); #ifdef USE_KQEMU if (env->kqemu_enabled) { kqemu_cpu_interrupt(env); } #endif event_pending = 1; } }