Re: [Xen-devel] [PATCH v1 1/7] xen-blkback: print stats about persistent grants

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Mar 27, 2013 at 12:10:37PM +0100, Roger Pau Monne wrote:
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxx
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Looks good.
> ---
>  drivers/block/xen-blkback/blkback.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/block/xen-blkback/blkback.c 
> b/drivers/block/xen-blkback/blkback.c
> index dd5b2fe..f7526db 100644
> --- a/drivers/block/xen-blkback/blkback.c
> +++ b/drivers/block/xen-blkback/blkback.c
> @@ -382,10 +382,12 @@ 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 %3llu  |  rd %4llu  |  wr %4llu  |  f 
> %4llu"
> -              "  |  ds %4llu\n",
> +              "  |  ds %4llu | pg: %4u/%4u\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,
> +              max_mapped_grant_pages(blkif->blk_protocol));
>       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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