Anirban Chakraborty <anirban.chakraborty@xxxxxxxxxx> writes > Is it possible to find out if the zio mode is turned on. If not, could you > please turn it on and let us know the numbers? You can turn it on by doing > following: > echo "1" > /sys/class/scsi_host/host<>/zio We explicit set zio to 1, zio_timer to 200 and qdepth to 48. > Also, can you let me know the oprofile setup and the tool you used? Oprofile collection: chrt -p 48 $$ export PATH=/usr/local/bin:/sbin:$PATH opcontrol --init opcontrol --vmlinux=/usr/src/linux-`uname -r`/vmlinux opcontrol -e=CPU_CLK_UNHALTED:80000 opcontrol --start-daemon sleep 5 opcontrol --start sleep 60 opcontrol --stop opcontrol --save=$1 opcontrol --deinit We used vtune to compare to oprofile. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
