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-rw-r--r--init/main.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/init/main.c b/init/main.c
index 7e117a231af1..e810196bf2f2 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>
@@ -703,31 +704,35 @@ core_param(initcall_debug, initcall_debug, bool, 0644);
703int do_one_initcall(initcall_t fn) 704int do_one_initcall(initcall_t fn)
704{ 705{
705 int count = preempt_count(); 706 int count = preempt_count();
706 ktime_t delta; 707 ktime_t calltime, delta, rettime;
707 char msgbuf[64]; 708 char msgbuf[64];
708 struct boot_trace it; 709 struct boot_trace_call call;
710 struct boot_trace_ret ret;
709 711
710 if (initcall_debug) { 712 if (initcall_debug) {
711 it.caller = task_pid_nr(current); 713 call.caller = task_pid_nr(current);
712 printk("calling %pF @ %i\n", fn, it.caller); 714 printk("calling %pF @ %i\n", fn, call.caller);
713 it.calltime = ktime_get(); 715 calltime = ktime_get();
716 trace_boot_call(&call, fn);
717 enable_boot_trace();
714 } 718 }
715 719
716 it.result = fn(); 720 ret.result = fn();
717 721
718 if (initcall_debug) { 722 if (initcall_debug) {
719 it.rettime = ktime_get(); 723 disable_boot_trace();
720 delta = ktime_sub(it.rettime, it.calltime); 724 rettime = ktime_get();
721 it.duration = (unsigned long long) delta.tv64 >> 10; 725 delta = ktime_sub(rettime, calltime);
726 ret.duration = (unsigned long long) delta.tv64 >> 10;
727 trace_boot_ret(&ret, fn);
722 printk("initcall %pF returned %d after %Ld usecs\n", fn, 728 printk("initcall %pF returned %d after %Ld usecs\n", fn,
723 it.result, it.duration); 729 ret.result, ret.duration);
724 trace_boot(&it, fn);
725 } 730 }
726 731
727 msgbuf[0] = 0; 732 msgbuf[0] = 0;
728 733
729 if (it.result && it.result != -ENODEV && initcall_debug) 734 if (ret.result && ret.result != -ENODEV && initcall_debug)
730 sprintf(msgbuf, "error code %d ", it.result); 735 sprintf(msgbuf, "error code %d ", ret.result);
731 736
732 if (preempt_count() != count) { 737 if (preempt_count() != count) {
733 strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); 738 strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
@@ -741,7 +746,7 @@ int do_one_initcall(initcall_t fn)
741 printk("initcall %pF returned with %s\n", fn, msgbuf); 746 printk("initcall %pF returned with %s\n", fn, msgbuf);
742 } 747 }
743 748
744 return it.result; 749 return ret.result;
745} 750}
746 751
747 752
@@ -882,7 +887,7 @@ static int __init kernel_init(void * unused)
882 * we're essentially up and running. Get rid of the 887 * we're essentially up and running. Get rid of the
883 * initmem segments and start the user-mode stuff.. 888 * initmem segments and start the user-mode stuff..
884 */ 889 */
885 stop_boot_trace(); 890
886 init_post(); 891 init_post();
887 return 0; 892 return 0;
888} 893}