On Wed, Sep 4, 2013 at 1:15 AM, Dave Jones <davej@xxxxxxxxxx> wrote: > On Wed, Sep 04, 2013 at 01:05:38AM +0200, Sedat Dilek wrote: > > On Wed, Sep 4, 2013 at 12:55 AM, Dave Jones <davej@xxxxxxxxxx> wrote: > > > On Wed, Sep 04, 2013 at 12:37:25AM +0200, Sedat Dilek wrote: > > > > > > > > You're spending more time on the task stats than on the actual lookup. > > > > > Maybe you should turn off CONFIG_TASKSTATS..But why that whole > > > > > irq_return thing? Odd. > > > > > > > > > > > > > [ init/Kconfig ] > > > > ... > > > > config TASKSTATS > > > > bool "Export task/process statistics through netlink" > > > > depends on NET <--- Difficult to disable it?! > > > > > > More likely you're getting bitten by the fact that CONFIG_KVM has > > > a 'select TASKSTATS' > > > > > > > With CONFIG_KVM=n ... > > > > $ egrep 'CONFIG_NET=|CONFIG_KVM=|CONFIG_TASKSTATS' .config > > CONFIG_TASKSTATS=y > > CONFIG_NET=y > > Weird. > > sed -i '/TASKSTATS/d' .config > sed -i '/KVM/d' .config > make oldconfig > ... > egrep 'CONFIG_NET=|CONFIG_KVM=|CONFIG_TASKSTATS' .config > # CONFIG_TASKSTATS is not set > CONFIG_NET=y > > > The NET dependancy shouldn't matter at all. > I don't see any other 'select TASKSTATS' in the tree. > Ah, cool. With CONFIG_KVM=n and CONFIG_TASKSTATS=n plus... $ yes "" | make oldconfig && make silentoldconfig </dev/null ...I get now: $ egrep 'CONFIG_NET=|CONFIG_KVM=|CONFIG_TASKSTATS' .config # CONFIG_TASKSTATS is not set CONFIG_NET=y Thanks, Dave! - Sedat - -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html