Hm, it works for me...
[root@iotest ramdisk]# uname -a
Linux iotest 2.4.11-pre2-xfs #1 SMP Thu Oct 4 14:17:48 CDT 2001 i686 unknown
[root@iotest /root]# free
total used free shared buffers cached
Mem: 1028964 56752 972212 0 2092 24800
-/+ buffers/cache: 29860 999104
Swap: 530136 0 530136
[root@iotest /root]# modprobe rd rd_size=600000 rd_blocksize=512
[root@iotest /root]# mkfs.xfs -q -f /dev/ram
[root@iotest /root]# mount /dev/ram /mnt/ramdisk/
[root@iotest /root]# cd /mnt/ramdisk/
[root@iotest ramdisk]# /root/tiobench-0.3.1/tiotest -c -f 110
Tiotest results for 4 concurrent io threads:
,----------------------------------------------------------------------.
| Item | Time | Rate | Usr CPU | Sys CPU |
+-----------------------+----------+--------------+----------+---------+
| Write 440 MBs | 5.3 s | 83.600 MB/s | 2.3 % | 193.4 % |
| Random Write 16 MBs | 0.2 s | 103.333 MB/s | 0.0 % | 198.4 % |
| Read 440 MBs | 3.9 s | 114.117 MB/s | 146.5 % | 52.9 % |
| Random Read 16 MBs | 0.1 s | 107.574 MB/s | 151.5 % | 41.3 % |
`----------------------------------------------------------------------'
Andrey Nekrasov <andy@spylog.ru> wrote:
> Hello.
>
> 1. hardware Intel ISP1100 (BX/1GB RAM/IDE DISK)
> 2. kernel 2.4.11-pre2-xfs, with highmem support
>
> 3. create ramdisk 512Mb and run "tiotest -c -f 110"
> 4.
>
> __alloc_pages: 0-order allocation failed (gfp=0x3d0/0) from c0127fe9
-- Eric Sandeen XFS for Linux http://oss.sgi.com/projects/xfs sandeen@sgi.com SGI, Inc.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Oct 07 2001 - 21:00:33 EST