summaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/cpu.h
blob: d60a2eefb17b46fc04e69a71c5707a010672c078 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
/*
 *  include/asm-s390/cpu.h
 *
 *    Copyright IBM Corp. 2007
 *    Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
 */

#ifndef _ASM_S390_CPU_H_
#define _ASM_S390_CPU_H_

#include <linux/types.h>
#include <linux/percpu.h>
#include <linux/spinlock.h>

struct s390_idle_data {
	spinlock_t lock;
	unsigned long long idle_count;
	unsigned long long idle_enter;
	unsigned long long idle_time;
};

DECLARE_PER_CPU(struct s390_idle_data, s390_idle);

void vtime_start_cpu(void);

static inline void s390_idle_check(void)
{
	if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL)
		vtime_start_cpu();
}

#endif /* _ASM_S390_CPU_H_ */
OpenPOWER on IntegriCloud