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SCP: Add display of host OS clock resolution to SHOW VERSION

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This commit is contained in:
Mark Pizzolato 2015-11-23 07:30:28 -08:00
parent 972b3fccbb
commit 668761a460
2 changed files with 17 additions and 2 deletions
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3
scp.c
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@ -4332,7 +4332,8 @@ if (flag) {
#else
fprintf (st, "\n\t\tNo RegEx support for EXPECT commands");
#endif
fprintf (st, "\n\t\tOS clock tick size (time taken by msleep(1)): %dms", os_tick_size);
fprintf (st, "\n\t\tOS clock resolution: %dms", os_tick_size);
fprintf (st, "\n\t\tTime taken by msleep(1): %dms", idle_capable);
#if defined(__VMS)
if (1) {
char *arch =

16
sim_timer.c
View file

@ -92,6 +92,7 @@ static int32 sim_calb_tmr = -1; /* the system calibrated tim
static uint32 sim_idle_rate_ms = 0;
static uint32 sim_os_sleep_min_ms = 0;
static uint32 sim_os_clock_resoluton_ms = 0;
static uint32 sim_idle_stable = SIM_IDLE_STDFLT;
static t_bool sim_idle_idled = FALSE;
static uint32 sim_throt_ms_start = 0;
@ -709,6 +710,7 @@ return sim_rtcn_calb (ticksper, 0);
t_bool sim_timer_init (void)
{
int i;
uint32 clock_start, clock_last, clock_now;
sim_debug (DBG_TRC, &sim_timer_dev, "sim_timer_init()\n");
for (i=0; i<SIM_NTIMERS; i++)
@ -717,6 +719,18 @@ sim_timer_units[SIM_NTIMERS].action = &sim_throt_svc;
sim_register_internal_device (&sim_timer_dev);
sim_idle_enab = FALSE; /* init idle off */
sim_idle_rate_ms = sim_os_ms_sleep_init (); /* get OS timer rate */
clock_last = clock_start = sim_os_msec ();
sim_os_clock_resoluton_ms = 1000;
do {
uint32 clock_diff;
clock_now = sim_os_msec ();
clock_diff = clock_now - clock_last;
if ((clock_diff > 0) && (clock_diff < sim_os_clock_resoluton_ms))
sim_os_clock_resoluton_ms = clock_diff;
clock_last = clock_now;
} while (clock_now < clock_start + 100);
return (sim_idle_rate_ms != 0);
}
@ -725,7 +739,7 @@ return (sim_idle_rate_ms != 0);
uint32 sim_timer_idle_capable (uint32 *host_tick_ms)
{
if (host_tick_ms)
*host_tick_ms = sim_os_sleep_min_ms;
*host_tick_ms = sim_os_clock_resoluton_ms;
return sim_idle_rate_ms;
}