Mercurial > MadButterfly
diff src/timertool.c @ 120:5df7403b6fbc
Fix bug of get_now()
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Sun, 14 Sep 2008 23:05:30 +0800 |
| parents | 069868161f63 |
| children | c7e5b8779bb5 |
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--- a/src/timertool.c Sun Sep 14 21:08:25 2008 +0800 +++ b/src/timertool.c Sun Sep 14 23:05:30 2008 +0800 @@ -12,10 +12,11 @@ void get_now(mb_timeval_t *tmo) { struct timeval tv; static uint64_t cpufreq; + static uint64_t diff; static mb_timeval_t tm = {0, 0}; static uint64_t last_ts; mb_timeval_t diff_tm; - uint64_t ts, diff, udiff, sdiff; + uint64_t ts, udiff, sdiff; size_t sysctl_sz; int r; @@ -37,7 +38,7 @@ diff = 0; } else { ts = rdtsc(); - diff = ts - last_ts; + diff += ts - last_ts; sdiff = diff / cpufreq; udiff = (diff % cpufreq) * 1000000 / cpufreq; @@ -48,7 +49,8 @@ MB_TIMEVAL_SET(&diff_tm, sdiff, 0); MB_TIMEVAL_ADD(&tm, &diff_tm); - last_ts += sdiff; + diff %= cpufreq; + last_ts = ts; } } #else /* __FreeBSD__ */