tracing/fastboot: Use the ring-buffer timestamp for initcall entries

[net-next-2.6.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 16ca1ee071c4f11a7e784ae9ed1a620c2231e87e..e810196bf2f2ae2522fd7ce1ec0dbae3d7f6ebd9 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -704,33 +704,35 @@ core_param(initcall_debug, initcall_debug, bool, 0644);
 int do_one_initcall(initcall_t fn)
 {
        int count = preempt_count();
-       ktime_t delta;
+       ktime_t calltime, delta, rettime;
        char msgbuf[64];
-       struct boot_trace it;
+       struct boot_trace_call call;
+       struct boot_trace_ret ret;
 
        if (initcall_debug) {
-               it.caller = task_pid_nr(current);
-               printk("calling  %pF @ %i\n", fn, it.caller);
-               it.calltime = ktime_get();
+               call.caller = task_pid_nr(current);
+               printk("calling  %pF @ %i\n", fn, call.caller);
+               calltime = ktime_get();
+               trace_boot_call(&call, fn);
                enable_boot_trace();
        }
 
-       it.result = fn();
+       ret.result = fn();
 
        if (initcall_debug) {
-               it.rettime = ktime_get();
-               delta = ktime_sub(it.rettime, it.calltime);
-               it.duration = (unsigned long long) delta.tv64 >> 10;
-               printk("initcall %pF returned %d after %Ld usecs\n", fn,
-                       it.result, it.duration);
-               trace_boot(&it, fn);
                disable_boot_trace();
+               rettime = ktime_get();
+               delta = ktime_sub(rettime, calltime);
+               ret.duration = (unsigned long long) delta.tv64 >> 10;
+               trace_boot_ret(&ret, fn);
+               printk("initcall %pF returned %d after %Ld usecs\n", fn,
+                       ret.result, ret.duration);
        }
 
        msgbuf[0] = 0;
 
-       if (it.result && it.result != -ENODEV && initcall_debug)
-               sprintf(msgbuf, "error code %d ", it.result);
+       if (ret.result && ret.result != -ENODEV && initcall_debug)
+               sprintf(msgbuf, "error code %d ", ret.result);
 
        if (preempt_count() != count) {
                strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
@@ -744,7 +746,7 @@ int do_one_initcall(initcall_t fn)
                printk("initcall %pF returned with %s\n", fn, msgbuf);
        }
 
-       return it.result;
+       return ret.result;
 }