Listing 1: Capturing values and storing them tempdb database
CREATE PROCEDURE [dbo].[collect_file_stats] (@Clear INT = 0)

AS

SET NOCOUNT ON ;

IF OBJECT_ID(N'[tempdb].[dbo].[file_stats]',N'U') IS NULL
    CREATE TABLE [tempdb].[dbo].[file_stats](
	    [database_id] [smallint] NOT NULL,
	    [file_id] [smallint] NOT NULL,
	    [num_of_reads] [bigint] NOT NULL,
	    [num_of_bytes_read] [bigint] NOT NULL,
	    [io_stall_read_ms] [bigint] NOT NULL,
	    [num_of_writes] [bigint] NOT NULL,
	    [num_of_bytes_written] [bigint] NOT NULL,
	    [io_stall_write_ms] [bigint] NOT NULL,
	    [io_stall] [bigint] NOT NULL,
	    [size_on_disk_bytes] [bigint] NOT NULL,
        [capture_time] [datetime] NOT NULL
        ) ;

--  If 1 the clear out the table
IF @Clear = 1
BEGIN
    TRUNCATE TABLE [tempdb].[dbo].[file_stats] ;
END

INSERT INTO [tempdb].[dbo].[file_stats]
      ([database_id]
      ,[file_id]
      ,[num_of_reads]
      ,[num_of_bytes_read]
      ,[io_stall_read_ms]
      ,[num_of_writes]
      ,[num_of_bytes_written]
      ,[io_stall_write_ms]
      ,[io_stall]
      ,[size_on_disk_bytes]
      ,[capture_time])
SELECT [database_id]
      ,[file_id]
      ,[num_of_reads]
      ,[num_of_bytes_read]
      ,[io_stall_read_ms]
      ,[num_of_writes]
      ,[num_of_bytes_written]
      ,[io_stall_write_ms]
      ,[io_stall]
      ,[size_on_disk_bytes]
      ,GETDATE()
FROM [sys].dm_io_virtual_file_stats(NULL,NULL) ;