Lines Matching +full:data +full:- +full:lines

5 Device Mapper supports the collection of I/O statistics on user-defined
7 collected so there isn't any performance impact.  Only bio-based DM
10 Each user-defined region specifies a starting sector, length and step.
11 Individual statistics will be collected for each step-sized area within
14 The I/O statistics counters for each step-sized area of a region are
16 Documentation/admin-guide/iostats.rst).  But two extra counters (12 and 13) are
31 on each other's data.
47 	  "-"
50 		a range of <length> 512-byte sectors
72 		to obtain than jiffies-based timestamps.
82 		that took 0-10 ms to complete, b is the number of requests
83 		that took 10-20 ms to complete, c is the number of requests
84 		that took 20-30 ms to complete and d is the number of
99 	  An optional parameter.  A word that provides auxiliary data
111 	Clear all the counters except the in-flight i/o counters.
133 	Print counters for each step-sized area of a region.
140 	  If omitted, all lines are returned.
143 	  The number of lines to include in the output.
144 	  If omitted, all lines are returned.
146 	Output format for each step-sized area of a region:
154 	  Please refer to Documentation/admin-guide/iostats.rst for details.
175 	in-flight i/o counters.	 Useful when the client consuming the
184 	  If omitted, all lines are printed and then cleared.
187 	  The number of lines to process.
188 	  If omitted, all lines are printed and then cleared.
191 	Store auxiliary data aux_data for the specified region.
197 	  The string that identifies data which is useful to the client
208   dmsetup message vol 0 @stats_create - /100
210 Set the auxiliary data string to "foo bar baz" (the escape for each