X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=gettime-thread.c;h=fc52236bf5969028aabec5c0507f445e91298d65;hp=19541b474b75878999657475f88d46178ad7c831;hb=ae626d4ead6416adf464cf209cdf3e8b85d58190;hpb=45213f1b15f820e6791118b7200a1185e2af7d87 diff --git a/gettime-thread.c b/gettime-thread.c index 19541b47..fc52236b 100644 --- a/gettime-thread.c +++ b/gettime-thread.c @@ -6,30 +6,30 @@ #include "fio.h" #include "smalloc.h" -struct timeval *fio_tv = NULL; +struct timespec *fio_ts = NULL; int fio_gtod_offload = 0; static pthread_t gtod_thread; static os_cpu_mask_t fio_gtod_cpumask; void fio_gtod_init(void) { - if (fio_tv) + if (fio_ts) return; - fio_tv = smalloc(sizeof(struct timeval)); - if (!fio_tv) + fio_ts = smalloc(sizeof(*fio_ts)); + if (!fio_ts) log_err("fio: smalloc pool exhausted\n"); } static void fio_gtod_update(void) { - if (fio_tv) { + if (fio_ts) { struct timeval __tv; gettimeofday(&__tv, NULL); - fio_tv->tv_sec = __tv.tv_sec; + fio_ts->tv_sec = __tv.tv_sec; write_barrier(); - fio_tv->tv_usec = __tv.tv_usec; + fio_ts->tv_nsec = __tv.tv_usec * 1000; write_barrier(); } } @@ -42,10 +42,17 @@ struct gtod_cpu_data { static void *gtod_thread_main(void *data) { struct fio_mutex *mutex = data; + int ret; + + ret = fio_setaffinity(gettid(), fio_gtod_cpumask); - fio_setaffinity(gettid(), fio_gtod_cpumask); fio_mutex_up(mutex); + if (ret == -1) { + log_err("gtod: setaffinity failed\n"); + return NULL; + } + /* * As long as we have jobs around, update the clock. It would be nice * to have some way of NOT hammering that CPU with gettimeofday(),