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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
  debug: add end-of-oops marker
  sched: rt: account the cpu time during the tick
Linus Torvalds 17 年 前
コミット
faa4877f02
2 ファイル変更20 行追加0 行削除
  1. 18 0
      kernel/panic.c
  2. 2 0
      kernel/sched_rt.c

+ 18 - 0
kernel/panic.c

@@ -19,6 +19,7 @@
 #include <linux/nmi.h>
 #include <linux/kexec.h>
 #include <linux/debug_locks.h>
+#include <linux/random.h>
 
 int panic_on_oops;
 int tainted;
@@ -265,6 +266,20 @@ void oops_enter(void)
 	do_oops_enter_exit();
 }
 
+/*
+ * 64-bit random ID for oopses:
+ */
+static u64 oops_id;
+
+static int init_oops_id(void)
+{
+	if (!oops_id)
+		get_random_bytes(&oops_id, sizeof(oops_id));
+
+	return 0;
+}
+late_initcall(init_oops_id);
+
 /*
  * Called when the architecture exits its oops handler, after printing
  * everything.
@@ -272,6 +287,9 @@ void oops_enter(void)
 void oops_exit(void)
 {
 	do_oops_enter_exit();
+	init_oops_id();
+	printk(KERN_WARNING "---[ end trace %016llx ]---\n",
+		(unsigned long long)oops_id);
 }
 
 #ifdef CONFIG_CC_STACKPROTECTOR

+ 2 - 0
kernel/sched_rt.c

@@ -208,6 +208,8 @@ move_one_task_rt(struct rq *this_rq, int this_cpu, struct rq *busiest,
 
 static void task_tick_rt(struct rq *rq, struct task_struct *p)
 {
+	update_curr_rt(rq);
+
 	/*
 	 * RR tasks need a special form of timeslice management.
 	 * FIFO tasks have no timeslices.