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Added display of the OS sleep resolution which is now displayed as an explanation if idling is unavailable.

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This commit is contained in:
Mark Pizzolato 2012-04-11 07:32:06 -07:00
parent 33567b474d
commit 542c15844c
2 changed files with 28 additions and 17 deletions
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4
VAX/vax_cpu.c
View file

@ -3459,10 +3459,8 @@ return sim_set_idle (uptr, val, cptr, desc);
t_stat cpu_show_idle (FILE *st, UNIT *uptr, int32 val, void *desc) t_stat cpu_show_idle (FILE *st, UNIT *uptr, int32 val, void *desc)
{ {
if (sim_idle_enab && (cpu_idle_type != 0)) { if (sim_idle_enab && (cpu_idle_type != 0))
fprintf (st, "idle=%s, ", os_tab[cpu_idle_type - 1].name); fprintf (st, "idle=%s, ", os_tab[cpu_idle_type - 1].name);
sim_show_idle (st, uptr, val, desc); sim_show_idle (st, uptr, val, desc);
}
else fprintf (st, "idle disabled");
return SCPE_OK; return SCPE_OK;
} }

37
sim_timer.c
View file

@ -83,6 +83,7 @@ t_bool sim_idle_enab = FALSE; /* global flag */
volatile t_bool sim_idle_wait = FALSE; /* global flag */ volatile t_bool sim_idle_wait = FALSE; /* global flag */
static uint32 sim_idle_rate_ms = 0; static uint32 sim_idle_rate_ms = 0;
static uint32 sim_os_sleep_min_ms = 0;
static uint32 sim_idle_stable = SIM_IDLE_STDFLT; static uint32 sim_idle_stable = SIM_IDLE_STDFLT;
static uint32 sim_throt_ms_start = 0; static uint32 sim_throt_ms_start = 0;
static uint32 sim_throt_ms_stop = 0; static uint32 sim_throt_ms_stop = 0;
@ -155,10 +156,11 @@ return;
uint32 sim_os_ms_sleep_init (void) uint32 sim_os_ms_sleep_init (void)
{ {
#if defined (__VAX) #if defined (__VAX)
return 10; /* VAX/VMS is 10ms */ sim_os_sleep_min_ms = 10; /* VAX/VMS is 10ms */
#else #else
return 1; /* Alpha/VMS is 1ms */ sim_os_sleep_min_ms = 1; /* Alpha/VMS is 1ms */
#endif #endif
return sim_os_sleep_min_ms;
} }
uint32 sim_os_ms_sleep (unsigned int msec) uint32 sim_os_ms_sleep (unsigned int msec)
@ -224,6 +226,7 @@ TIMECAPS timers;
if (timeGetDevCaps (&timers, sizeof (timers)) != TIMERR_NOERROR) if (timeGetDevCaps (&timers, sizeof (timers)) != TIMERR_NOERROR)
return 0; return 0;
sim_os_sleep_min_ms = timers.wPeriodMin;
if ((timers.wPeriodMin == 0) || (timers.wPeriodMin > SIM_IDLE_MAX)) if ((timers.wPeriodMin == 0) || (timers.wPeriodMin > SIM_IDLE_MAX))
return 0; return 0;
if (timeBeginPeriod (timers.wPeriodMin) != TIMERR_NOERROR) if (timeBeginPeriod (timers.wPeriodMin) != TIMERR_NOERROR)
@ -234,7 +237,7 @@ Sleep (1);
Sleep (1); Sleep (1);
Sleep (1); Sleep (1);
Sleep (1); Sleep (1);
return timers.wPeriodMin; /* sim_idle_rate_ms */ return sim_os_sleep_min_ms; /* sim_idle_rate_ms */
} }
uint32 sim_os_ms_sleep (unsigned int msec) uint32 sim_os_ms_sleep (unsigned int msec)
@ -280,7 +283,7 @@ return;
uint32 sim_os_ms_sleep_init (void) uint32 sim_os_ms_sleep_init (void)
{ {
return FALSE; return 0;
} }
uint32 sim_os_ms_sleep (unsigned int msec) uint32 sim_os_ms_sleep (unsigned int msec)
@ -322,7 +325,7 @@ return;
uint32 sim_os_ms_sleep_init (void) uint32 sim_os_ms_sleep_init (void)
{ {
return 1; return sim_os_sleep_min_ms = 1;
} }
uint32 sim_os_ms_sleep (unsigned int milliseconds) uint32 sim_os_ms_sleep (unsigned int milliseconds)
@ -392,6 +395,7 @@ for (i = 0, tot = 0; i < sleep1Samples; i++) {
tot += (t2 - t1); tot += (t2 - t1);
} }
tim = (tot + (sleep1Samples - 1)) / sleep1Samples; tim = (tot + (sleep1Samples - 1)) / sleep1Samples;
sim_os_sleep_min_ms = tim;
if (tim > SIM_IDLE_MAX) if (tim > SIM_IDLE_MAX)
tim = 0; tim = 0;
return tim; return tim;
@ -631,10 +635,18 @@ t_stat sim_set_idle (UNIT *uptr, int32 val, char *cptr, void *desc)
t_stat r; t_stat r;
uint32 v; uint32 v;
if (sim_idle_rate_ms == 0) if (sim_idle_rate_ms == 0) {
printf ("Idling is not available, Minimum OS sleep time is %dms\n", sim_os_sleep_min_ms);
if (sim_log)
fprintf (sim_log, "Idling is not available, Minimum OS sleep time is %dms\n", sim_os_sleep_min_ms);
return SCPE_NOFNC; return SCPE_NOFNC;
if ((val != 0) && (sim_idle_rate_ms > (uint32) val)) }
if ((val != 0) && (sim_idle_rate_ms > (uint32) val)) {
printf ("Idling is not available, Minimum OS sleep time is %dms, Requied minimum OS sleep is %dms\n", sim_os_sleep_min_ms, val);
if (sim_log)
fprintf (sim_log, "Idling is not available, Minimum OS sleep time is %dms, Requied minimum OS sleep is %dms\n", sim_os_sleep_min_ms, val);
return SCPE_NOFNC; return SCPE_NOFNC;
}
if (cptr) { if (cptr) {
v = (uint32) get_uint (cptr, 10, SIM_IDLE_STMAX, &r); v = (uint32) get_uint (cptr, 10, SIM_IDLE_STMAX, &r);
if ((r != SCPE_OK) || (v < SIM_IDLE_STMIN)) if ((r != SCPE_OK) || (v < SIM_IDLE_STMIN))
@ -663,12 +675,12 @@ return SCPE_OK;
t_stat sim_show_idle (FILE *st, UNIT *uptr, int32 val, void *desc) t_stat sim_show_idle (FILE *st, UNIT *uptr, int32 val, void *desc)
{ {
if (sim_idle_enab) { if (sim_idle_enab)
fprintf (st, "idle enabled"); fprintf (st, "idle enabled");
else
fprintf (st, "idle disabled");
if (sim_switches & SWMASK ('D')) if (sim_switches & SWMASK ('D'))
fprintf (st, ", stability wait = %ds, minimum sleep resolution = %dms", sim_idle_stable, sim_idle_rate_ms); fprintf (st, ", stability wait = %ds, minimum sleep resolution = %dms", sim_idle_stable, sim_os_sleep_min_ms);
}
else fputs ("idle disabled", st);
return SCPE_OK; return SCPE_OK;
} }
@ -755,11 +767,12 @@ else {
} }
if (sim_switches & SWMASK ('D')) { if (sim_switches & SWMASK ('D')) {
fprintf (st, "minimum sleep resolution = %d ms\n", sim_idle_rate_ms);
if (sim_throt_type != 0) if (sim_throt_type != 0)
fprintf (st, "Throttle interval = %d cycles\n", sim_throt_wait); fprintf (st, "Throttle interval = %d cycles\n", sim_throt_wait);
} }
} }
if (sim_switches & SWMASK ('D'))
fprintf (st, "minimum sleep resolution = %d ms\n", sim_os_sleep_min_ms);
return SCPE_OK; return SCPE_OK;
} }