diff options
Diffstat (limited to 'init')
-rw-r--r-- | init/main.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/init/main.c b/init/main.c index b8b6effe9ff4..dbee132923c5 100644 --- a/init/main.c +++ b/init/main.c | |||
@@ -721,27 +721,33 @@ core_param(initcall_debug, initcall_debug, bool, 0644); | |||
721 | 721 | ||
722 | static char msgbuf[64]; | 722 | static char msgbuf[64]; |
723 | 723 | ||
724 | int do_one_initcall(initcall_t fn) | 724 | static int do_one_initcall_debug(initcall_t fn) |
725 | { | 725 | { |
726 | int count = preempt_count(); | ||
727 | ktime_t calltime, delta, rettime; | 726 | ktime_t calltime, delta, rettime; |
728 | unsigned long long duration; | 727 | unsigned long long duration; |
729 | int ret; | 728 | int ret; |
730 | 729 | ||
731 | if (initcall_debug) { | 730 | printk(KERN_DEBUG "calling %pF @ %i\n", fn, task_pid_nr(current)); |
732 | printk("calling %pF @ %i\n", fn, task_pid_nr(current)); | 731 | calltime = ktime_get(); |
733 | calltime = ktime_get(); | ||
734 | } | ||
735 | |||
736 | ret = fn(); | 732 | ret = fn(); |
733 | rettime = ktime_get(); | ||
734 | delta = ktime_sub(rettime, calltime); | ||
735 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | ||
736 | printk(KERN_DEBUG "initcall %pF returned %d after %lld usecs\n", fn, | ||
737 | ret, duration); | ||
737 | 738 | ||
738 | if (initcall_debug) { | 739 | return ret; |
739 | rettime = ktime_get(); | 740 | } |
740 | delta = ktime_sub(rettime, calltime); | 741 | |
741 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | 742 | int do_one_initcall(initcall_t fn) |
742 | printk("initcall %pF returned %d after %lld usecs\n", fn, | 743 | { |
743 | ret, duration); | 744 | int count = preempt_count(); |
744 | } | 745 | int ret; |
746 | |||
747 | if (initcall_debug) | ||
748 | ret = do_one_initcall_debug(fn); | ||
749 | else | ||
750 | ret = fn(); | ||
745 | 751 | ||
746 | msgbuf[0] = 0; | 752 | msgbuf[0] = 0; |
747 | 753 | ||