> Another comment: there is 10 us between consecutive printfs in this > trace. You're probably not using TSC for GTOD. It's not a big > deal, but be aware that your "with debugging" runs may be > significantly slower than without. Just watch to make sure that the > profiling output makes sense. We hack the kernel in a bad way to > get around this on our machines. > http://git.osc.edu/?p=linux.git;a=commitdiff;h=e7ff54222523a2ae6816c9ff17ad5a8fa86cd5e1 > What is TSC & GTOD? Erez |