Lines Matching refs:of
4 Device Mapper supports the collection of I/O statistics on user-defined
5 regions of a DM device. If no regions are defined no statistics are
13 The I/O statistics counters for each step-sized area of a region are
18 histogram of latencies. All these counters may be accessed by sending
32 The creation of DM statistics will allocate memory via kmalloc or
33 fallback to using vmalloc space. At most, 1/4 of the overall system
49 "<start_sector>+<length>" - a range of <length> 512-byte sectors
56 number of areas.
59 The number of optional arguments
64 instead of the "jiffies" variable. When this argument is
65 used, the resulting times are in nanoseconds instead of
68 histogram:n1,n2,n3,n4,... - collect histogram of latencies. The
70 of the histogram. If precise_timestamps is not used, the
73 number of requests that completed within this range. For
75 report four numbers a:b:c:d. a is the number of requests
76 that took 0-10 ms to complete, b is the number of requests
77 that took 10-20 ms to complete, c is the number of requests
78 that took 20-30 ms to complete and d is the number of
83 the userspace owner of the range. This groups ranges together
86 The kernel returns this string back in the output of
88 If we omit the number of optional arguments, program id must not
89 be a number, otherwise it would be interpreted as the number of
95 The kernel returns this string back in the output of
131 Print counters for each step-sized area of a region.
137 The index of the starting line in the output.
141 The number of lines to include in the output.
144 Output format for each step-sized area of a region:
153 1. the number of reads completed
154 2. the number of reads merged
155 3. the number of sectors read
156 4. the number of milliseconds spent reading
157 5. the number of writes completed
158 6. the number of writes merged
159 7. the number of sectors written
160 8. the number of milliseconds spent writing
161 9. the number of I/Os currently in progress
162 10. the number of milliseconds spent doing I/Os
163 11. the weighted number of milliseconds spent doing I/Os
180 The index of the starting line in the output.
184 The number of lines to process.
197 string back in the output of @stats_list message, but it