t/io_uring: include a maximum IOPS seen when exiting

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

diff --git a/t/io_uring.c b/t/io_uring.c
index 1b729ebf95443f0922a327165420f10bb5c93515..67e15a1a451391ce0bab98cc894860bb30d73432 100644 (file)
--- a/t/io_uring.c
+++ b/t/io_uring.c
@@ -103,6 +103,7 @@ struct submitter {
 static struct submitter *submitter;
 static volatile int finish;
 static int stats_running;
+static unsigned long max_iops;
 
 static int depth = DEPTH;
 static int batch_submit = BATCH_SUBMIT;
@@ -882,6 +883,10 @@ static void do_finish(const char *reason)
                struct submitter *s = get_submitter(j);
                s->finish = 1;
        }
+       if (max_iops > 100000)
+               printf("Maxiumum IOPS=%luK\n", max_iops / 1000);
+       else if (max_iops)
+               printf("Maxiumum IOPS=%lu\n", max_iops);
        finish = 1;
 }
 
@@ -1362,6 +1367,7 @@ int main(int argc, char *argv[])
                        printf("IOPS=%luK, ", iops / 1000);
                else
                        printf("IOPS=%lu, ", iops);
+               max_iops = max(max_iops, iops);
                if (!do_nop)
                        printf("BW=%luMiB/s, ", bw);
                printf("IOS/call=%ld/%ld, inflight=(%s)\n", rpc, ipc, fdepths);