From bbb2989c2699524a5595b133d0d31a77541336d9 Mon Sep 17 00:00:00 2001
From: Seth Howell <seth.howell@intel.com>
Date: Tue, 21 Aug 2018 14:04:39 -0700
Subject: [PATCH] bdev: increment io_time if queue depth > 0

This value is used to calculate the disk utilization of a given bdev.

Change-Id: I4bf101c524b92bdd21573941e17f61db59c5c6b8
Signed-off-by: Seth Howell <seth.howell@intel.com>
Reviewed-on: https://review.gerrithub.io/423017
Reviewed-on: https://review.gerrithub.io/423927
Reviewed-by: Seth Howell <seth.howell5141@gmail.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: Ben Walker <benjamin.walker@intel.com>
---
 lib/bdev/bdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index 7bab4bebe..4d91da380 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -1661,6 +1661,7 @@ _calculate_measured_qd_cpl(struct spdk_io_channel_iter *i, int status)
 	bdev->internal.measured_queue_depth = bdev->internal.temporary_queue_depth;
 
 	if (bdev->internal.measured_queue_depth) {
+		bdev->internal.io_time += bdev->internal.period;
 		bdev->internal.weighted_io_time += bdev->internal.period * bdev->internal.measured_queue_depth;
 	}
 }