Hi, Phil, Thanks a lot for your reply. That benefit me a lot. I will try testing using Filebench.
In fact, I mainly want to test the IO performance of device driver and compare it to Linux. So I think the best way is doing this in raw device IO to eliminate effect of filesystems. I also found that IO performance under FAT/FAT32 in Solaris is worse than that in Linux. One reason I think is the IO block size is too small (4k) when doing sequential read or write in Solaris when FAT/FAT32. However, IO block size in Linux is much more large(about 64k or 120k, in some cases greater than 400k) when FAT/FAT32. It seems Solaris didnot do any Optimization in FAT/FAT32 filesystem. Have you ever noticed this or someone know about this? Is there any way we can take to improve performance under FAT filesystem in our Solaris? Thanks & Merry Christmas Guoqing -- This message posted from opensolaris.org _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
