X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=t%2Fio_uring.c;h=0545a1dd680c64f00aaa68c31d55839235058c39;hp=7ddeef39e047d8f1660c86bc571f9b967ff0f635;hb=7d1435e6090234770558893a09d3879b0054f974;hpb=c21198d9cd52b6239c8f9de2373574a7683a0593 diff --git a/t/io_uring.c b/t/io_uring.c index 7ddeef39..0545a1dd 100644 --- a/t/io_uring.c +++ b/t/io_uring.c @@ -47,8 +47,8 @@ struct io_cq_ring { #define DEPTH 128 -#define BATCH_SUBMIT 64 -#define BATCH_COMPLETE 64 +#define BATCH_SUBMIT 32 +#define BATCH_COMPLETE 32 #define BS 4096 @@ -172,6 +172,7 @@ static void init_io(struct submitter *s, unsigned index) s->cur_file++; if (s->cur_file == s->nr_files) s->cur_file = 0; + f = &s->files[s->cur_file]; } } f->pending_ios++; @@ -310,7 +311,7 @@ static void *submitter_fn(void *data) submit_more: to_submit = prepped; submit: - if (to_submit && (s->inflight + to_submit < DEPTH)) + if (to_submit && (s->inflight + to_submit <= DEPTH)) to_wait = 0; else to_wait = min(s->inflight + to_submit, BATCH_COMPLETE); @@ -337,9 +338,10 @@ submit: do { int r; r = reap_events(s); - if (r == -1) + if (r == -1) { + s->finish = 1; break; - else if (r > 0) + } else if (r > 0) this_reap += r; } while (sq_thread_poll && this_reap < to_wait); s->reaps += this_reap; @@ -405,7 +407,7 @@ static int setup_ring(struct submitter *s) memset(&p, 0, sizeof(p)); - if (polled) + if (polled && !do_nop) p.flags |= IORING_SETUP_IOPOLL; if (sq_thread_poll) { p.flags |= IORING_SETUP_SQPOLL; @@ -468,11 +470,30 @@ static int setup_ring(struct submitter *s) return 0; } +static void file_depths(char *buf) +{ + struct submitter *s = &submitters[0]; + char *p; + int i; + + buf[0] = '\0'; + p = buf; + for (i = 0; i < s->nr_files; i++) { + struct file *f = &s->files[i]; + + if (i + 1 == s->nr_files) + p += sprintf(p, "%d", f->pending_ios); + else + p += sprintf(p, "%d, ", f->pending_ios); + } +} + int main(int argc, char *argv[]) { struct submitter *s = &submitters[0]; unsigned long done, calls, reap, cache_hit, cache_miss; int err, i, flags, fd; + char *fdepths; void *ret; if (!do_nop && argc < 2) { @@ -543,6 +564,7 @@ int main(int argc, char *argv[]) pthread_create(&s->thread, NULL, submitter_fn, s); + fdepths = malloc(8 * s->nr_files); cache_hit = cache_miss = reap = calls = done = 0; do { unsigned long this_done = 0; @@ -572,9 +594,10 @@ int main(int argc, char *argv[]) ipc = (this_reap - reap) / (this_call - calls); } else rpc = ipc = -1; - printf("IOPS=%lu, IOS/call=%ld/%ld, inflight=%u (head=%u tail=%u), Cachehit=%0.2f%%\n", + file_depths(fdepths); + printf("IOPS=%lu, IOS/call=%ld/%ld, inflight=%u (%s), Cachehit=%0.2f%%\n", this_done - done, rpc, ipc, s->inflight, - *s->cq_ring.head, *s->cq_ring.tail, hit); + fdepths, hit); done = this_done; calls = this_call; reap = this_reap; @@ -584,5 +607,6 @@ int main(int argc, char *argv[]) pthread_join(s->thread, &ret); close(s->ring_fd); + free(fdepths); return 0; }