On 11/28/2016 09:28 AM, Avi Kivity wrote:
259,1 10 1140 0.380238333 4801 I D 3238079488 + 1024
[mkfs.xfs]
259,1 10 1141 0.380252580 2307 D D 3238079488 + 1024
[kworker/10:1H]
259,1 2 173 0.380260605 0 C D 3218709504 + 1024 [0]
259,1 10 1142 0.380283800 4801 Q D 3238080512 + 1024
[mkfs.xfs]
259,1 10 1143 0.380284158 4801 G D 3238080512 + 1024
[mkfs.xfs]
259,1 10 1144 0.380285150 4801 I D 3238080512 + 1024
[mkfs.xfs]
259,1 10 1145 0.380297127 2307 D D 3238080512 + 1024
[kworker/10:1H]
259,1 10 1146 0.380324340 4801 Q D 3238081536 + 1024
[mkfs.xfs]
259,1 10 1147 0.380324648 4801 G D 3238081536 + 1024
[mkfs.xfs]
259,1 10 1148 0.380325663 4801 I D 3238081536 + 1024
[mkfs.xfs]
259,1 2 174 0.380328083 0 C D 3218710528 + 1024 [0]
So we see these one-megabyte requests; moreover, they are issued
sequentially.
Correction, they are issued in parallel, but not merged. The "C"
entries correspond to requests issued far in the past.
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