[PATCH 5/5] Expand block stats to export number of of requests per bucket

[Jes Sorensen <jes.sorensen@xxxxxxxxx>]

From: Jes Sorensen <jsorensen@xxxxxx>

Signed-off-by: Jes Sorensen <jsorensen@xxxxxx>
---
 block/blk-sysfs.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 63fdda5e6ccb..0dd4a3825a92 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -543,6 +543,14 @@ static ssize_t queue_stat_show(struct request_queue *q, char *p)
 				       q->dev_stat[i + 3 * bkt].size);
 		}
 		off += sprintf(p + off, "\n");
+
+		off += sprintf(p + off, "%s reqs: ", name[i]);
+		for (bkt = 0; bkt < (BLK_DEV_STATS_BKTS / 3); bkt++) {
+			off += sprintf(p + off, "%u ",
+				       q->dev_stat[i + 3 * bkt].nr_samples);
+		}
+
+		off += sprintf(p + off, "\n");
 	}
 	return off;
 }
-- 
2.17.1