Added timing data to VbSharedData.

firmware/lib/vboot_kernel.c

Index: firmware/lib/vboot_kernel.c
diff --git a/firmware/lib/vboot_kernel.c b/firmware/lib/vboot_kernel.c
index 83fb3fed31c61643d96756d0aafac27343d30a9c..e50fd0f6ab5713f6235e005eca82abef4345393c 100644
--- a/firmware/lib/vboot_kernel.c
+++ b/firmware/lib/vboot_kernel.c
@@ -141,6 +141,7 @@ int LoadKernel(LoadKernelParams* params) {
 
   int retval = LOAD_KERNEL_RECOVERY;
   int recovery = VBNV_RECOVERY_RO_UNSPECIFIED;
+  uint64_t timer_enter = VbGetTimer();
 
   /* Setup NV storage */
   VbNvSetup(vnc);
@@ -155,6 +156,11 @@ int LoadKernel(LoadKernelParams* params) {
     goto LoadKernelExit;
   }
 
+  /* Clear output params in case we fail */
+  params->partition_number = 0;
+  params->bootloader_address = 0;
+  params->bootloader_size = 0;
+
   /* Handle test errors */
   VbNvGet(vnc, VBNV_TEST_ERROR_FUNC, &test_err);
   if (VBNV_TEST_ERROR_LOAD_KERNEL == test_err) {
@@ -206,11 +212,6 @@ int LoadKernel(LoadKernelParams* params) {
     dev_switch = 0;  /* Always do a fully verified boot */
   }
 
-  /* Clear output params in case we fail */
-  params->partition_number = 0;
-  params->bootloader_address = 0;
-  params->bootloader_size = 0;
-
   if (kBootRecovery == boot_mode) {
     /* Initialize the shared data structure, since LoadFirmware() didn't do it
      * for us. */
@@ -556,9 +557,13 @@ LoadKernelExit:
           recovery : VBNV_RECOVERY_NOT_REQUESTED);
   VbNvTeardown(vnc);
 
-  /* Store how much shared data we used, if any */
-  if (shared)
+  if (shared) {
+    /* Save timer values */
+    shared->timer_load_kernel_enter = timer_enter;
+    shared->timer_load_kernel_exit = VbGetTimer();
+    /* Store how much shared data we used, if any */
     params->shared_data_size = shared->data_used;
+  }
 
   return retval;
 }