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Re: [virt-tools-list] [PATCH 1/2] virt-top: record memory stats in rd object



On Wed, 16 Feb 2011 05:08:13 +0900
KAMEZAWA Hiroyuki <kamezawa hiroyu jp fujitsu com> wrote:

> These 2 patches are for showing memory statistics in --csv mode.
> Patches are made against virt-top git tree.
> 

ping ?
-Kame

> ==
> From 898362f8c4f498a448ba17d63476f98f38aa56b6 Mon Sep 17 00:00:00 2001
> From: KAMEZAWA Hiroyuki <kamezawa bluextal (none)>
> Date: Wed, 16 Feb 2011 04:36:10 +0900
> Subject: [PATCH 1/2] Record memory statistics information to 'rd' object.
>  This helps to share the calculation (betwee mode) and
>  will help to show memory statistics in --csv mode
> 
> Signged-off-by: KAMEZAWA Hiroyuki <kamezawa hiroyu jp fujitsu com>
> ---
>  virt-top/virt_top.ml |   18 +++++++++++-------
>  1 files changed, 11 insertions(+), 7 deletions(-)
> 
> diff --git a/virt-top/virt_top.ml b/virt-top/virt_top.ml
> index 5030165..3c6f47d 100644
> --- a/virt-top/virt_top.ml
> +++ b/virt-top/virt_top.ml
> @@ -402,6 +402,8 @@ and rd_active = {
>    (* The following are since the last slice, or 0 if cannot be calculated: *)
>    rd_cpu_time : float;			(* CPU time used in nanoseconds. *)
>    rd_percent_cpu : float;		(* CPU time as percent of total. *)
> +  rd_mem_bytes : int64;		        (* Memory usage in bytes *)
> +  rd_mem_percent: int64;		(* Memory usage as percent of total *)
>    (* The following are since the last slice, or None if cannot be calc'd: *)
>    rd_block_rd_reqs : int64 option;      (* Number of block device read rqs. *)
>    rd_block_wr_reqs : int64 option;      (* Number of block device write rqs. *)
> @@ -510,6 +512,7 @@ let collect, clear_pcpu_display_data =
>  		      rd_prev_block_stats = prev_block_stats;
>  		      rd_prev_interface_stats = prev_interface_stats;
>  		      rd_cpu_time = 0.; rd_percent_cpu = 0.;
> +                      rd_mem_bytes = 0L; rd_mem_percent = 0L;
>  		      rd_block_rd_reqs = None; rd_block_wr_reqs = None;
>                        rd_block_rd_bytes = None; rd_block_wr_bytes = None;
>                        rd_block_rd_info = None; rd_block_wr_info = None;
> @@ -544,9 +547,14 @@ let collect, clear_pcpu_display_data =
>  	    let cpu_time =
>  	      Int64.to_float (rd.rd_info.D.cpu_time -^ prev_info.D.cpu_time) in
>  	    let percent_cpu = 100. *. cpu_time /. total_cpu in
> +            let mem_usage = rd.rd_info.D.memory in
> +            let mem_percent =
> +                100L *^ rd.rd_info.D.memory /^ node_info.C.memory in
>  	    let rd = { rd with
>  			 rd_cpu_time = cpu_time;
> -			 rd_percent_cpu = percent_cpu } in
> +			 rd_percent_cpu = percent_cpu;
> +			 rd_mem_bytes = mem_usage;
> +                         rd_mem_percent = mem_percent} in
>  	    name, Active rd
>  	(* For all other domains we can't calculate it, so leave as 0 *)
>  	| rd -> rd
> @@ -892,9 +900,7 @@ let redraw =
>  		 let rx_bytes = Show.int64_option rd.rd_net_rx_bytes in
>  		 let tx_bytes = Show.int64_option rd.rd_net_tx_bytes in
>  		 let percent_cpu = Show.percent rd.rd_percent_cpu in
> -		 let percent_mem =
> -		   100L *^ rd.rd_info.D.memory /^ node_info.C.memory in
> -		 let percent_mem = Int64.to_float percent_mem in
> +		 let percent_mem = Int64.to_float rd.rd_mem_percent in
>  		 let percent_mem = Show.percent percent_mem in
>  		 let time = Show.time rd.rd_info.D.cpu_time in
>  
> @@ -1344,9 +1350,7 @@ let dump_stdout
>      let tx_bytes = if rd.rd_net_tx_bytes = None then "   0"
>      else Show.int64_option rd.rd_net_tx_bytes in
>      let percent_cpu = Show.percent rd.rd_percent_cpu in
> -    let percent_mem =
> -      100L *^ rd.rd_info.D.memory /^ node_info.C.memory in
> -    let percent_mem = Int64.to_float percent_mem in
> +    let percent_mem = Int64.to_float rd.rd_mem_percent in
>      let percent_mem = Show.percent percent_mem in
>      let time = Show.time rd.rd_info.D.cpu_time in
>      printf "%5d %c %s %s %s %s %s %s %s %s\n"
> -- 
> 1.7.1
> 
> 
> 


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