Hi Minwoo... I am not the best... just trying to give idea here... On Tue, Mar 15, 2011 at 00:03, Minwoo Lee <ermaker@xxxxxxxxx> wrote: > Hello. > I am hacking the kernel source for studying. > I just modified schedule() in kernel/sched.c for profiling processes. basic question is: are you sure the cache misses you see during schedule is entirely attributed to the soon-to-be-switched-out process? have you consider that during that process run time, on going interrupts/exception etc could attribute into the cache misses? and about this line: BUG_ON(res != sizeof(u64)) not sure if I read it correctly, but previously I see "res" is declared as size_t, right? -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies