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| 1 ; Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 ; Use of this source code is governed by a BSD-style license that can be |
| 3 ; found in the LICENSE file. |
| 4 ; |
| 5 ; A simulation of disk traffic from power on to login screen. This is taken |
| 6 ; from an average of 3 boots. It does not include the traffic generated by |
| 7 ; the loader, but it does include the traffic generated by mounting the root |
| 8 ; file system. It does not include a sync, the dirty pages waiting to be |
| 9 ; written to the disk are accounted for in the "login" script. |
| 10 ; |
| 11 |
| 12 [boot] |
| 13 filename=${FILENAME} |
| 14 size=${FILESIZE} |
| 15 |
| 16 time_based |
| 17 runtime=5m |
| 18 |
| 19 ioengine=libaio |
| 20 iodepth=4 |
| 21 |
| 22 readwrite=randrw |
| 23 ; 86,395 KiB (3,900 ios) Read 404 KiB (210 ios) Written |
| 24 ; rwmixwrite = 2.10% by ios |
| 25 rwmixwrite=2 |
| 26 |
| 27 ; Probabilities merged down to the 8 most common sizes. |
| 28 ; Read |
| 29 ; 4k: 51.461 % |
| 30 ; 8k: 3.059 % |
| 31 ; 12k: 4.308 % |
| 32 ; 16k: 16.936 % |
| 33 ; 32k: 9.167 % |
| 34 ; 68k: 5.313 % |
| 35 ; 80k: 5.291 % |
| 36 ; 128k: 4.464 % |
| 37 ; Write |
| 38 ; 4k: 91.463 % |
| 39 ; 8k: 4.878 % |
| 40 ; 24k: 3.659 % |
| 41 |
| 42 ; Fudge numbers to add up to 100% |
| 43 bssplit=4k/52:8k/3:12k/4:16k/17:32k/9:68k/6:80k/5:128k/4,4k/91:8k/5:24k/4 |
| 44 |
| 45 norandommap |
| 46 |
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