t/io_uring: print file depths

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/t/io_uring.c b/t/io_uring.c
index b5f1e094139193bb4cb5c97aa28171c673f9469b..205769cff12bdf590c675bf97b27a3a5876d2146 100644 (file)
--- 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
 
@@ -469,11 +469,29 @@ static int setup_ring(struct submitter *s)
        return 0;
 }
 
+static void file_depths(char *buf)
+{
+       struct submitter *s = &submitters[0];
+       char *p;
+       int i;
+
+       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) {
@@ -544,6 +562,7 @@ 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;
@@ -573,9 +592,10 @@ 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;
@@ -585,5 +605,6 @@ int main(int argc, char *argv[])
 
        pthread_join(s->thread, &ret);
        close(s->ring_fd);
+       free(fdepths);
        return 0;
 }