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-rw-r--r--include/linux/perf_counter.h5
-rw-r--r--kernel/perf_counter.c5
-rw-r--r--kernel/sched.c5
3 files changed, 9 insertions, 6 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index f776851f8c4b..a356fa69796c 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -573,6 +573,8 @@ extern struct perf_callchain_entry *perf_callchain(struct pt_regs *regs);
573 573
574extern int sysctl_perf_counter_priv; 574extern int sysctl_perf_counter_priv;
575 575
576extern void perf_counter_init(void);
577
576#else 578#else
577static inline void 579static inline void
578perf_counter_task_sched_in(struct task_struct *task, int cpu) { } 580perf_counter_task_sched_in(struct task_struct *task, int cpu) { }
@@ -600,9 +602,10 @@ perf_counter_mmap(unsigned long addr, unsigned long len,
600 602
601static inline void 603static inline void
602perf_counter_munmap(unsigned long addr, unsigned long len, 604perf_counter_munmap(unsigned long addr, unsigned long len,
603 unsigned long pgoff, struct file *file) { } 605 unsigned long pgoff, struct file *file) { }
604 606
605static inline void perf_counter_comm(struct task_struct *tsk) { } 607static inline void perf_counter_comm(struct task_struct *tsk) { }
608static inline void perf_counter_init(void) { }
606#endif 609#endif
607 610
608#endif /* __KERNEL__ */ 611#endif /* __KERNEL__ */
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index b9679c36bcc2..fcdafa234a5d 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -3265,15 +3265,12 @@ static struct notifier_block __cpuinitdata perf_cpu_nb = {
3265 .notifier_call = perf_cpu_notify, 3265 .notifier_call = perf_cpu_notify,
3266}; 3266};
3267 3267
3268static int __init perf_counter_init(void) 3268void __init perf_counter_init(void)
3269{ 3269{
3270 perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_UP_PREPARE, 3270 perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_UP_PREPARE,
3271 (void *)(long)smp_processor_id()); 3271 (void *)(long)smp_processor_id());
3272 register_cpu_notifier(&perf_cpu_nb); 3272 register_cpu_notifier(&perf_cpu_nb);
3273
3274 return 0;
3275} 3273}
3276early_initcall(perf_counter_init);
3277 3274
3278static ssize_t perf_show_reserve_percpu(struct sysdev_class *class, char *buf) 3275static ssize_t perf_show_reserve_percpu(struct sysdev_class *class, char *buf)
3279{ 3276{
diff --git a/kernel/sched.c b/kernel/sched.c
index 2f600e30dcf0..a728976a3a6c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -39,6 +39,7 @@
39#include <linux/completion.h> 39#include <linux/completion.h>
40#include <linux/kernel_stat.h> 40#include <linux/kernel_stat.h>
41#include <linux/debug_locks.h> 41#include <linux/debug_locks.h>
42#include <linux/perf_counter.h>
42#include <linux/security.h> 43#include <linux/security.h>
43#include <linux/notifier.h> 44#include <linux/notifier.h>
44#include <linux/profile.h> 45#include <linux/profile.h>
@@ -8996,7 +8997,7 @@ void __init sched_init(void)
8996 * 1024) and two child groups A0 and A1 (of weight 1024 each), 8997 * 1024) and two child groups A0 and A1 (of weight 1024 each),
8997 * then A0's share of the cpu resource is: 8998 * then A0's share of the cpu resource is:
8998 * 8999 *
8999 * A0's bandwidth = 1024 / (10*1024 + 1024 + 1024) = 8.33% 9000 * A0's bandwidth = 1024 / (10*1024 + 1024 + 1024) = 8.33%
9000 * 9001 *
9001 * We achieve this by letting init_task_group's tasks sit 9002 * We achieve this by letting init_task_group's tasks sit
9002 * directly in rq->cfs (i.e init_task_group->se[] = NULL). 9003 * directly in rq->cfs (i.e init_task_group->se[] = NULL).
@@ -9097,6 +9098,8 @@ void __init sched_init(void)
9097 alloc_bootmem_cpumask_var(&cpu_isolated_map); 9098 alloc_bootmem_cpumask_var(&cpu_isolated_map);
9098#endif /* SMP */ 9099#endif /* SMP */
9099 9100
9101 perf_counter_init();
9102
9100 scheduler_running = 1; 9103 scheduler_running = 1;
9101} 9104}
9102 9105