diff options
Diffstat (limited to 'init')
-rw-r--r-- | init/Kconfig | 8 | ||||
-rw-r--r-- | init/main.c | 36 |
2 files changed, 29 insertions, 15 deletions
diff --git a/init/Kconfig b/init/Kconfig index f763762d544a..8a63c404ef44 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
@@ -588,6 +588,13 @@ config KALLSYMS_ALL | |||
588 | 588 | ||
589 | Say N. | 589 | Say N. |
590 | 590 | ||
591 | config KALLSYMS_STRIP_GENERATED | ||
592 | bool "Strip machine generated symbols from kallsyms" | ||
593 | depends on KALLSYMS_ALL | ||
594 | default y | ||
595 | help | ||
596 | Say N if you want kallsyms to retain even machine generated symbols. | ||
597 | |||
591 | config KALLSYMS_EXTRA_PASS | 598 | config KALLSYMS_EXTRA_PASS |
592 | bool "Do an extra kallsyms pass" | 599 | bool "Do an extra kallsyms pass" |
593 | depends on KALLSYMS | 600 | depends on KALLSYMS |
@@ -808,6 +815,7 @@ config TRACEPOINTS | |||
808 | 815 | ||
809 | config MARKERS | 816 | config MARKERS |
810 | bool "Activate markers" | 817 | bool "Activate markers" |
818 | depends on TRACEPOINTS | ||
811 | help | 819 | help |
812 | Place an empty function call at each marker site. Can be | 820 | Place an empty function call at each marker site. Can be |
813 | dynamically changed for a probe function. | 821 | dynamically changed for a probe function. |
diff --git a/init/main.c b/init/main.c index be1fe2242a55..9711586aa7c9 100644 --- a/init/main.c +++ b/init/main.c | |||
@@ -63,6 +63,7 @@ | |||
63 | #include <linux/signal.h> | 63 | #include <linux/signal.h> |
64 | #include <linux/idr.h> | 64 | #include <linux/idr.h> |
65 | #include <linux/ftrace.h> | 65 | #include <linux/ftrace.h> |
66 | #include <trace/boot.h> | ||
66 | 67 | ||
67 | #include <asm/io.h> | 68 | #include <asm/io.h> |
68 | #include <asm/bugs.h> | 69 | #include <asm/bugs.h> |
@@ -671,6 +672,7 @@ asmlinkage void __init start_kernel(void) | |||
671 | efi_enter_virtual_mode(); | 672 | efi_enter_virtual_mode(); |
672 | #endif | 673 | #endif |
673 | thread_info_cache_init(); | 674 | thread_info_cache_init(); |
675 | cred_init(); | ||
674 | fork_init(num_physpages); | 676 | fork_init(num_physpages); |
675 | proc_caches_init(); | 677 | proc_caches_init(); |
676 | buffer_init(); | 678 | buffer_init(); |
@@ -705,31 +707,35 @@ core_param(initcall_debug, initcall_debug, bool, 0644); | |||
705 | int do_one_initcall(initcall_t fn) | 707 | int do_one_initcall(initcall_t fn) |
706 | { | 708 | { |
707 | int count = preempt_count(); | 709 | int count = preempt_count(); |
708 | ktime_t delta; | 710 | ktime_t calltime, delta, rettime; |
709 | char msgbuf[64]; | 711 | char msgbuf[64]; |
710 | struct boot_trace it; | 712 | struct boot_trace_call call; |
713 | struct boot_trace_ret ret; | ||
711 | 714 | ||
712 | if (initcall_debug) { | 715 | if (initcall_debug) { |
713 | it.caller = task_pid_nr(current); | 716 | call.caller = task_pid_nr(current); |
714 | printk("calling %pF @ %i\n", fn, it.caller); | 717 | printk("calling %pF @ %i\n", fn, call.caller); |
715 | it.calltime = ktime_get(); | 718 | calltime = ktime_get(); |
719 | trace_boot_call(&call, fn); | ||
720 | enable_boot_trace(); | ||
716 | } | 721 | } |
717 | 722 | ||
718 | it.result = fn(); | 723 | ret.result = fn(); |
719 | 724 | ||
720 | if (initcall_debug) { | 725 | if (initcall_debug) { |
721 | it.rettime = ktime_get(); | 726 | disable_boot_trace(); |
722 | delta = ktime_sub(it.rettime, it.calltime); | 727 | rettime = ktime_get(); |
723 | it.duration = (unsigned long long) delta.tv64 >> 10; | 728 | delta = ktime_sub(rettime, calltime); |
729 | ret.duration = (unsigned long long) ktime_to_ns(delta) >> 10; | ||
730 | trace_boot_ret(&ret, fn); | ||
724 | printk("initcall %pF returned %d after %Ld usecs\n", fn, | 731 | printk("initcall %pF returned %d after %Ld usecs\n", fn, |
725 | it.result, it.duration); | 732 | ret.result, ret.duration); |
726 | trace_boot(&it, fn); | ||
727 | } | 733 | } |
728 | 734 | ||
729 | msgbuf[0] = 0; | 735 | msgbuf[0] = 0; |
730 | 736 | ||
731 | if (it.result && it.result != -ENODEV && initcall_debug) | 737 | if (ret.result && ret.result != -ENODEV && initcall_debug) |
732 | sprintf(msgbuf, "error code %d ", it.result); | 738 | sprintf(msgbuf, "error code %d ", ret.result); |
733 | 739 | ||
734 | if (preempt_count() != count) { | 740 | if (preempt_count() != count) { |
735 | strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); | 741 | strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); |
@@ -743,7 +749,7 @@ int do_one_initcall(initcall_t fn) | |||
743 | printk("initcall %pF returned with %s\n", fn, msgbuf); | 749 | printk("initcall %pF returned with %s\n", fn, msgbuf); |
744 | } | 750 | } |
745 | 751 | ||
746 | return it.result; | 752 | return ret.result; |
747 | } | 753 | } |
748 | 754 | ||
749 | 755 | ||
@@ -884,7 +890,7 @@ static int __init kernel_init(void * unused) | |||
884 | * we're essentially up and running. Get rid of the | 890 | * we're essentially up and running. Get rid of the |
885 | * initmem segments and start the user-mode stuff.. | 891 | * initmem segments and start the user-mode stuff.. |
886 | */ | 892 | */ |
887 | stop_boot_trace(); | 893 | |
888 | init_post(); | 894 | init_post(); |
889 | return 0; | 895 | return 0; |
890 | } | 896 | } |