diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/include/asm/cputime.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/s390/include/asm/cputime.h | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/ANDROID_3.4.5/arch/s390/include/asm/cputime.h b/ANDROID_3.4.5/arch/s390/include/asm/cputime.h deleted file mode 100644 index 24ef186a..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/cputime.h +++ /dev/null @@ -1,191 +0,0 @@ -/* - * include/asm-s390/cputime.h - * - * (C) Copyright IBM Corp. 2004 - * - * Author: Martin Schwidefsky <schwidefsky@de.ibm.com> - */ - -#ifndef _S390_CPUTIME_H -#define _S390_CPUTIME_H - -#include <linux/types.h> -#include <linux/percpu.h> -#include <linux/spinlock.h> -#include <asm/div64.h> - -/* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */ - -typedef unsigned long long __nocast cputime_t; -typedef unsigned long long __nocast cputime64_t; - -static inline unsigned long __div(unsigned long long n, unsigned long base) -{ -#ifndef __s390x__ - register_pair rp; - - rp.pair = n >> 1; - asm ("dr %0,%1" : "+d" (rp) : "d" (base >> 1)); - return rp.subreg.odd; -#else /* __s390x__ */ - return n / base; -#endif /* __s390x__ */ -} - -#define cputime_one_jiffy jiffies_to_cputime(1) - -/* - * Convert cputime to jiffies and back. - */ -static inline unsigned long cputime_to_jiffies(const cputime_t cputime) -{ - return __div((__force unsigned long long) cputime, 4096000000ULL / HZ); -} - -static inline cputime_t jiffies_to_cputime(const unsigned int jif) -{ - return (__force cputime_t)(jif * (4096000000ULL / HZ)); -} - -static inline u64 cputime64_to_jiffies64(cputime64_t cputime) -{ - unsigned long long jif = (__force unsigned long long) cputime; - do_div(jif, 4096000000ULL / HZ); - return jif; -} - -static inline cputime64_t jiffies64_to_cputime64(const u64 jif) -{ - return (__force cputime64_t)(jif * (4096000000ULL / HZ)); -} - -/* - * Convert cputime to microseconds and back. - */ -static inline unsigned int cputime_to_usecs(const cputime_t cputime) -{ - return (__force unsigned long long) cputime >> 12; -} - -static inline cputime_t usecs_to_cputime(const unsigned int m) -{ - return (__force cputime_t)(m * 4096ULL); -} - -#define usecs_to_cputime64(m) usecs_to_cputime(m) - -/* - * Convert cputime to milliseconds and back. - */ -static inline unsigned int cputime_to_secs(const cputime_t cputime) -{ - return __div((__force unsigned long long) cputime, 2048000000) >> 1; -} - -static inline cputime_t secs_to_cputime(const unsigned int s) -{ - return (__force cputime_t)(s * 4096000000ULL); -} - -/* - * Convert cputime to timespec and back. - */ -static inline cputime_t timespec_to_cputime(const struct timespec *value) -{ - unsigned long long ret = value->tv_sec * 4096000000ULL; - return (__force cputime_t)(ret + value->tv_nsec * 4096 / 1000); -} - -static inline void cputime_to_timespec(const cputime_t cputime, - struct timespec *value) -{ - unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ - register_pair rp; - - rp.pair = __cputime >> 1; - asm ("dr %0,%1" : "+d" (rp) : "d" (2048000000UL)); - value->tv_nsec = rp.subreg.even * 1000 / 4096; - value->tv_sec = rp.subreg.odd; -#else - value->tv_nsec = (__cputime % 4096000000ULL) * 1000 / 4096; - value->tv_sec = __cputime / 4096000000ULL; -#endif -} - -/* - * Convert cputime to timeval and back. - * Since cputime and timeval have the same resolution (microseconds) - * this is easy. - */ -static inline cputime_t timeval_to_cputime(const struct timeval *value) -{ - unsigned long long ret = value->tv_sec * 4096000000ULL; - return (__force cputime_t)(ret + value->tv_usec * 4096ULL); -} - -static inline void cputime_to_timeval(const cputime_t cputime, - struct timeval *value) -{ - unsigned long long __cputime = (__force unsigned long long) cputime; -#ifndef __s390x__ - register_pair rp; - - rp.pair = __cputime >> 1; - asm ("dr %0,%1" : "+d" (rp) : "d" (2048000000UL)); - value->tv_usec = rp.subreg.even / 4096; - value->tv_sec = rp.subreg.odd; -#else - value->tv_usec = (__cputime % 4096000000ULL) / 4096; - value->tv_sec = __cputime / 4096000000ULL; -#endif -} - -/* - * Convert cputime to clock and back. - */ -static inline clock_t cputime_to_clock_t(cputime_t cputime) -{ - unsigned long long clock = (__force unsigned long long) cputime; - do_div(clock, 4096000000ULL / USER_HZ); - return clock; -} - -static inline cputime_t clock_t_to_cputime(unsigned long x) -{ - return (__force cputime_t)(x * (4096000000ULL / USER_HZ)); -} - -/* - * Convert cputime64 to clock. - */ -static inline clock_t cputime64_to_clock_t(cputime64_t cputime) -{ - unsigned long long clock = (__force unsigned long long) cputime; - do_div(clock, 4096000000ULL / USER_HZ); - return clock; -} - -struct s390_idle_data { - unsigned int sequence; - unsigned long long idle_count; - unsigned long long idle_enter; - unsigned long long idle_exit; - unsigned long long idle_time; - int nohz_delay; -}; - -DECLARE_PER_CPU(struct s390_idle_data, s390_idle); - -cputime64_t s390_get_idle_time(int cpu); - -#define arch_idle_time(cpu) s390_get_idle_time(cpu) - -static inline int s390_nohz_delay(int cpu) -{ - return __get_cpu_var(s390_idle).nohz_delay != 0; -} - -#define arch_needs_cpu(cpu) s390_nohz_delay(cpu) - -#endif /* _S390_CPUTIME_H */ |