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] 13filename=${FILENAME} 14size=${FILESIZE} 15 16time_based 17runtime=5m 18 19ioengine=libaio 20iodepth=4 21 22readwrite=randrw 23; 86,395 KiB (3,900 ios) Read 404 KiB (210 ios) Written 24; rwmixwrite = 2.10% by ios 25rwmixwrite=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% 43bssplit=4k/52:8k/3:12k/4:16k/17:32k/9:68k/6:80k/5:128k/4,4k/91:8k/5:24k/4 44 45norandommap 46 47