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TIMER: Avoid throttling recalibration when resuming execution

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As discussed in #508
This commit is contained in:
Mark Pizzolato 2018-01-23 08:53:04 -08:00
parent fd80be4e91
commit 7fbe5e8530
1 changed files with 15 additions and 4 deletions
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17
sim_timer.c
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@ -1078,7 +1078,7 @@ fprintf (st, "Minimum Host Sleep Time: %d ms (%dHz)\n", sim_os_sleep_min_m
if (sim_os_sleep_min_ms != sim_os_sleep_inc_ms)
fprintf (st, "Minimum Host Sleep Incr Time: %d ms\n", sim_os_sleep_inc_ms);
fprintf (st, "Host Clock Resolution: %d ms\n", sim_os_clock_resoluton_ms);
fprintf (st, "Execution Rate: %s instructions/sec\n", sim_fmt_numeric (inst_per_sec));
fprintf (st, "Execution Rate: %s cycles/sec\n", sim_fmt_numeric (inst_per_sec));
if (sim_idle_enab) {
fprintf (st, "Idling: Enabled\n");
fprintf (st, "Time before Idling starts: %d seconds\n", sim_idle_stable);
@ -1702,9 +1702,20 @@ return SCPE_OK;
void sim_throt_sched (void)
{
sim_throt_state = SIM_THROT_STATE_INIT;
if (sim_throt_type != SIM_THROT_NONE)
if (sim_throt_type != SIM_THROT_NONE) {
if (sim_throt_state == SIM_THROT_STATE_THROTTLE) { /* Previously calibrated? */
/* Reset recalibration reference times */
sim_throt_ms_start = sim_os_msec ();
sim_throt_inst_start = sim_gtime ();
/* Start with prior calibrated delay */
sim_activate (&sim_throttle_unit, sim_throt_wait);
}
else {
/* Start calibration initially */
sim_throt_state = SIM_THROT_STATE_INIT;
sim_activate (&sim_throttle_unit, SIM_THROT_WINIT);
}
}
}
void sim_throt_cancel (void)