> @@ -400,6 +402,8 @@ int do_select(int n, fd_set_bits *fds, struct timespec > *end_time) > poll_table *wait; > int retval, i, timed_out = 0; > unsigned long slack = 0; > + unsigned int ll_flag = POLL_LL; > + u64 ll_time = ll_end_time();
So you're adding a sched_clock to every select call, even if it has nothing to do with ll? That seems rather drastic. select can be performance critical. -andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/