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silence cpu_tick calibration and notice only (under bootverbose)

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when the frequency increases.
This commit is contained in:
Poul-Henning Kamp 2006-03-09 09:30:33 +00:00
parent c8d7706e75
commit 6cda760f09
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=156483
1 changed files with 8 additions and 15 deletions
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23
sys/kern/kern_tc.c
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@ -849,10 +849,6 @@ cpu_tick_calibrate(int reset)
c_delta = c_this - c_last;
t_delta = t_this;
bintime_sub(&t_delta, &t_last);
if (bootverbose) {
printf("%ju.%016jx ",
(uintmax_t)t_delta.sec, (uintmax_t)t_delta.frac);
}
/*
* Validate that 16 +/- 1/256 seconds passed.
* After division by 16 this gives us a precision of
@ -862,12 +858,16 @@ cpu_tick_calibrate(int reset)
t_delta.sec == 16 && t_delta.frac >= (0x01LL << 56))) {
/* too long */
if (bootverbose)
printf("\ttoo long\n");
printf("%ju.%016jx too long\n",
(uintmax_t)t_delta.sec,
(uintmax_t)t_delta.frac);
} else if (t_delta.sec < 15 ||
(t_delta.sec == 15 && t_delta.frac <= (0xffLL << 56))) {
/* too short */
if (bootverbose)
printf("\ttoo short\n");
printf("%ju.%016jx too short\n",
(uintmax_t)t_delta.sec,
(uintmax_t)t_delta.frac);
} else {
/* just right */
/*
@ -880,19 +880,12 @@ cpu_tick_calibrate(int reset)
divi = t_delta.sec << 20;
divi |= t_delta.frac >> (64 - 20);
c_delta <<= 20;
if (bootverbose)
printf(" %ju / %ju",
(uintmax_t)c_delta, (uintmax_t)divi);
c_delta /= divi;
if (bootverbose)
printf(" = %ju", c_delta);
if (c_delta > cpu_tick_frequency) {
if (bootverbose)
printf("\thigher\n");
printf("cpu_tick increased to %ju Hz",
c_delta);
cpu_tick_frequency = c_delta;
} else {
if (bootverbose)
printf("\tlower\n");
}
}
}