[PATCH RFC 07/12] xen-blkback: print stats about persistent grants

From: Roger Pau Monne
Date: Thu Feb 28 2013 - 05:31:45 EST


Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxx
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
drivers/block/xen-blkback/blkback.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index c14b736..b5e7495 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -460,10 +460,11 @@ irqreturn_t xen_blkif_be_int(int irq, void *dev_id)
static void print_stats(struct xen_blkif *blkif)
{
pr_info("xen-blkback (%s): oo %3d | rd %4d | wr %4d | f %4d"
- " | ds %4d\n",
+ " | ds %4d | pg: %4d/%4d\n",
current->comm, blkif->st_oo_req,
blkif->st_rd_req, blkif->st_wr_req,
- blkif->st_f_req, blkif->st_ds_req);
+ blkif->st_f_req, blkif->st_ds_req,
+ blkif->persistent_gnt_c, xen_blkif_max_pgrants);
blkif->st_print = jiffies + msecs_to_jiffies(10 * 1000);
blkif->st_rd_req = 0;
blkif->st_wr_req = 0;
--
1.7.7.5 (Apple Git-26)

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