Lines Matching refs:the

4 Device Mapper supports the collection of I/O statistics on user-defined
11 the range specified.
14 in the same format as /sys/block/*/stat or /proc/diskstats (see:
17 these counters may be accessed by sending the @stats_print message to
18 the appropriate DM device via dmsetup.
21 region_id, that is assigned when the region is created. The region_id
22 must be supplied when querying statistics about the region, deleting the
24 request and process statistics for the same DM device without stepping
28 fallback to using vmalloc space. At most, 1/4 of the overall system
38 Create a new region and return the region_id.
46 "<area_size>" - the range is subdivided into areas each containing
48 "/<number_of_areas>" - the range is subdivided into the specified
53 the userspace owner of the range. This groups ranges together
54 so that userspace programs can identify the ranges they
56 The kernel returns this string back in the output of
61 that is useful to the client program that created the range.
62 The kernel returns this string back in the output of
67 Delete the region with the specified id.
74 Clear all the counters except the in-flight i/o counters.
100 The index of the starting line in the output.
104 The number of lines to include in the output.
111 The first 11 counters have the same meaning as
116 1. the number of reads completed
117 2. the number of reads merged
118 3. the number of sectors read
119 4. the number of milliseconds spent reading
120 5. the number of writes completed
121 6. the number of writes merged
122 7. the number of sectors written
123 8. the number of milliseconds spent writing
124 9. the number of I/Os currently in progress
125 10. the number of milliseconds spent doing I/Os
126 11. the weighted number of milliseconds spent doing I/Os
129 12. the total time spent reading in milliseconds
130 13. the total time spent writing in milliseconds
134 Atomically print and then clear all the counters except the
135 in-flight i/o counters. Useful when the client consuming the
143 The index of the starting line in the output.
152 Store auxiliary data aux_data for the specified region.
158 The string that identifies data which is useful to the client
159 program that created the range. The kernel returns this
160 string back in the output of @stats_list message, but it
166 Subdivide the DM device 'vol' into 100 pieces and start collecting
171 Set the auxillary data string to "foo bar baz" (the escape for each
172 space must also be escaped, otherwise the shell will consume them):
176 List the statistics:
180 Print the statistics:
184 Delete the statistics: