Use the correct type (uint64_t) to retrieve sysctl machdep.tsc_freq.
Simplify the function a bit by falling through after initialization and return via the normal code path. Reviewed by: grehan Obtained from: NetApp
This commit is contained in:
parent
4503502994
commit
1caafc47a3
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=245899
@ -66,17 +66,14 @@ pmtmr_val(void)
|
||||
|
||||
if (!inited) {
|
||||
size_t len;
|
||||
uint32_t tmpf;
|
||||
|
||||
inited = 1;
|
||||
pthread_mutex_init(&pmtmr_mtx, NULL);
|
||||
len = sizeof(tmpf);
|
||||
sysctlbyname("machdep.tsc_freq", &tmpf, &len,
|
||||
len = sizeof(pmtmr_tscf);
|
||||
sysctlbyname("machdep.tsc_freq", &pmtmr_tscf, &len,
|
||||
NULL, 0);
|
||||
pmtmr_tscf = tmpf;
|
||||
pmtmr_tsc_old = rdtsc();
|
||||
pmtmr_old = pmtmr_tsc_old / pmtmr_tscf * PMTMR_FREQ;
|
||||
return (pmtmr_old);
|
||||
}
|
||||
|
||||
pthread_mutex_lock(&pmtmr_mtx);
|
||||
|
Loading…
Reference in New Issue
Block a user