Release 4.14 arch/s390/include/asm/cputime.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  Copyright IBM Corp. 2004
 *
 *  Author: Martin Schwidefsky <schwidefsky@de.ibm.com>
 */

#ifndef _S390_CPUTIME_H

#define _S390_CPUTIME_H

#include <linux/types.h>
#include <asm/timex.h>


#define CPUTIME_PER_USEC 4096ULL

#define CPUTIME_PER_SEC (CPUTIME_PER_USEC * USEC_PER_SEC)

/* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */


#define cmpxchg_cputime(ptr, old, new) cmpxchg64(ptr, old, new)

/*
 * Convert cputime to microseconds.
 */


static inline u64 cputime_to_usecs(const u64 cputime)
{
	return cputime >> 12;
}

Contributors
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Martin Schwidefsky
15
93.75%
3
75.00%
Michael Holzheu
1
6.25%
1
25.00%
Total
16
100.00%
4
100.00%

/*
 * Convert cputime to nanoseconds.
 */

#define cputime_to_nsecs(cputime) tod_to_ns(cputime)

u64 arch_cpu_idle_time(int cpu);


#define arch_idle_time(cpu) arch_cpu_idle_time(cpu)

#endif /* _S390_CPUTIME_H */
Overall Contributors
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Martin Schwidefsky
53
69.74%
10
62.50%
Rik Van Riel
11
14.47%
1
6.25%
Frédéric Weisbecker
9
11.84%
2
12.50%
Greg Kroah-Hartman
1
1.32%
1
6.25%
Heiko Carstens
1
1.32%
1
6.25%
Michael Holzheu
1
1.32%
1
6.25%
Total
76
100.00%
16
100.00%
Directory: arch/s390/include/asm

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