From: Vincent Fu <vincent.fu@xxxxxxx> This ioengine carries out synchronous operations. So the FIO_SYNCIO flag needs to be set in order for latencies to be calculated correctly. Fixes: https://github.com/axboe/fio/issues/797 --- engines/http.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/engines/http.c b/engines/http.c index a35c0332..275fcab5 100644 --- a/engines/http.c +++ b/engines/http.c @@ -642,7 +642,7 @@ static int fio_http_invalidate(struct thread_data *td, struct fio_file *f) static struct ioengine_ops ioengine = { .name = "http", .version = FIO_IOOPS_VERSION, - .flags = FIO_DISKLESSIO, + .flags = FIO_DISKLESSIO | FIO_SYNCIO, .setup = fio_http_setup, .queue = fio_http_queue, .getevents = fio_http_getevents, -- 2.17.1
