On Thu, Feb 19, 2009 at 05:45:54PM +0900, Yoshihiro Takahashi wrote: > Hi Josef. > > > Thank you, what tool are you using to create these files and such? > > I use an original tool. > I do not make the document. > > ex. > ./mkfbmt -d /btrfs -f 10000000 -x 10000 > This makes a file under 10,000 directories with 10,000,000 files in /btrfs. > > make 10,000 files under 100 directories each. > 100dir * 10000files = 10000000 > > /btrfs/0/0 > /btrfs/0/1 > ... > /btrfs/0/9998 > /btrfs/0/9999 > /btrfs/1/0 > ... > /btrfs/99/9999 > > defaults file size is zero byte. > When make a file of 4,096 bytes, please appoint -w 4096. > defaults option is all test. > -m mkdir > -c open(O_CREAT | O_EXCL | O_WRONLY) test > -o open test > -p utime test > -s stat test > -u unlink test > -r rmdir > > # ./mkfbmt -d /btrfs/ -f 1000000 -x 10000 > ## __linuxfs_init(91) [0x401fc8] > mkfbmt 100 directry 1000000 files , one directry 10000 files > make files for /btrfs > > mkdir : 0.004923 sec , 1 file mkdir for 0.000000 sec > creat : 179.155566 sec , 1 file creat for 0.000179 sec > open : 26.696062 sec , 1 file open for 0.000027 sec > utime : 55.143818 sec , 1 file utime for 0.000055 sec > stat : 4.692097 sec , 1 file stat for 0.000005 sec > unlink: 210.624820 sec , 1 file unlink for 0.000211 sec > rmdir : 0.806472 sec , 1 file rmdir for 0.000001 sec > file creat open utime stat unlink > 50000 4.08 1.18 2.17 0.13 14.18 > 100000 10.70 1.86 4.78 0.25 22.57 > 150000 55.87 2.42 7.57 0.37 30.99 > 200000 63.74 3.23 9.81 0.49 42.35 > 250000 69.72 4.93 12.16 0.60 55.71 > 300000 76.37 7.16 14.56 0.72 64.03 > 350000 83.60 10.34 17.01 0.83 91.18 > 400000 90.23 15.36 19.60 0.94 103.36 > 450000 97.47 20.07 22.17 1.06 111.07 > 500000 103.99 22.14 24.56 1.38 118.84 > 550000 110.85 22.36 26.93 1.88 126.66 > 600000 118.49 22.58 29.70 2.30 136.47 > 650000 125.26 23.08 32.05 2.50 148.96 > 700000 132.34 23.65 34.28 3.01 156.62 > 750000 138.89 24.22 36.80 3.54 164.49 > 800000 146.38 24.78 44.05 4.05 172.23 > 850000 155.14 25.34 46.81 4.28 180.48 > 900000 163.21 26.25 49.85 4.41 195.99 > 950000 171.81 26.47 52.22 4.55 203.47 > 1000000 179.16 26.70 55.14 4.69 210.62 > > Best regards, > That is perfect thank you, I will add it to my enospc tests. I'm working on a patch which should fix your problems, I will send it out later today after I run your tests on it. Thanks, Josef -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
