Hi Nicolas, [...] >> >> 1) can't create /sys/devices/system/cpu/cpu//online: nonexistent directory > > What do you get if you do: > > $ ls -d /sys/devices/system/cpu/cpu?/online ls: /sys/devices/system/cpu/cpu//online: No such file or directory > > ? > >> 2) sleep: invalid number '.0026736' > > A sufficiently recent coreutils package should have a sleep command that > accepts fractional values. Alternatively you may replace it with > usleep: > > usleep $RANDOM Looks like my cramfs needs an update, it seems to have old packages. > >> For 1) the cpu number is not being appended. if I give a particular >> cpu in the script then hotplug in/out works fine. >> For 2) a constant msleep 10 works. > > If you have msleep but not usleep then try: > > msleep $(($RANDOM / 1000)) I have msleep present. > >> Is it OK for me to modify the script to hotplug in/off a randomly chosed core ? > > No. They must *all* be hotplugged simultaneously with some random > timing. OK. Regards, Abhilash -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html