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Diffstat (limited to 'include/asm-powerpc/cputime.h')
| -rw-r--r-- | include/asm-powerpc/cputime.h | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/include/asm-powerpc/cputime.h b/include/asm-powerpc/cputime.h deleted file mode 100644 index f42e623..0000000 --- a/include/asm-powerpc/cputime.h +++ /dev/null @@ -1,235 +0,0 @@ -/* - * Definitions for measuring cputime on powerpc machines. - * - * Copyright (C) 2006 Paul Mackerras, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * If we have CONFIG_VIRT_CPU_ACCOUNTING, we measure cpu time in - * the same units as the timebase. Otherwise we measure cpu time - * in jiffies using the generic definitions. - */ - -#ifndef __POWERPC_CPUTIME_H -#define __POWERPC_CPUTIME_H - -#ifndef CONFIG_VIRT_CPU_ACCOUNTING -#include <asm-generic/cputime.h> -#else - -#include <linux/types.h> -#include <linux/time.h> -#include <asm/div64.h> -#include <asm/time.h> -#include <asm/param.h> - -typedef u64 cputime_t; -typedef u64 cputime64_t; - -#define cputime_zero ((cputime_t)0) -#define cputime_max ((~((cputime_t)0) >> 1) - 1) -#define cputime_add(__a, __b) ((__a) + (__b)) -#define cputime_sub(__a, __b) ((__a) - (__b)) -#define cputime_div(__a, __n) ((__a) / (__n)) -#define cputime_halve(__a) ((__a) >> 1) -#define cputime_eq(__a, __b) ((__a) == (__b)) -#define cputime_gt(__a, __b) ((__a) > (__b)) -#define cputime_ge(__a, __b) ((__a) >= (__b)) -#define cputime_lt(__a, __b) ((__a) < (__b)) -#define cputime_le(__a, __b) ((__a) <= (__b)) - -#define cputime64_zero ((cputime64_t)0) -#define cputime64_add(__a, __b) ((__a) + (__b)) -#define cputime64_sub(__a, __b) ((__a) - (__b)) -#define cputime_to_cputime64(__ct) (__ct) - -#ifdef __KERNEL__ - -/* - * Convert cputime <-> jiffies - */ -extern u64 __cputime_jiffies_factor; -DECLARE_PER_CPU(unsigned long, cputime_last_delta); -DECLARE_PER_CPU(unsigned long, cputime_scaled_last_delta); - -static inline unsigned long cputime_to_jiffies(const cputime_t ct) -{ - return mulhdu(ct, __cputime_jiffies_factor); -} - -/* Estimate the scaled cputime by scaling the real cputime based on - * the last scaled to real ratio */ -static inline cputime_t cputime_to_scaled(const cputime_t ct) -{ - if (cpu_has_feature(CPU_FTR_SPURR) && - per_cpu(cputime_last_delta, smp_processor_id())) - return ct * - per_cpu(cputime_scaled_last_delta, smp_processor_id())/ - per_cpu(cputime_last_delta, smp_processor_id()); - return ct; -} - -static inline cputime_t jiffies_to_cputime(const unsigned long jif) -{ - cputime_t ct; - unsigned long sec; - - /* have to be a little careful about overflow */ - ct = jif % HZ; - sec = jif / HZ; - if (ct) { - ct *= tb_ticks_per_sec; - do_div(ct, HZ); - } - if (sec) - ct += (cputime_t) sec * tb_ticks_per_sec; - return ct; -} - -static inline cputime64_t jiffies64_to_cputime64(const u64 jif) -{ - cputime_t ct; - u64 sec; - - /* have to be a little careful about overflow */ - ct = jif % HZ; - sec = jif / HZ; - if (ct) { - ct *= tb_ticks_per_sec; - do_div(ct, HZ); - } - if (sec) - ct += (cputime_t) sec * tb_ticks_per_sec; - return ct; -} - -static inline u64 cputime64_to_jiffies64(const cputime_t ct) -{ - return mulhdu(ct, __cputime_jiffies_factor); -} - -/* - * Convert cputime <-> milliseconds - */ -extern u64 __cputime_msec_factor; - -static inline unsigned long cputime_to_msecs(const cputime_t ct) -{ - return mulhdu(ct, __cputime_msec_factor); -} - -static inline cputime_t msecs_to_cputime(const unsigned long ms) -{ - cputime_t ct; - unsigned long sec; - - /* have to be a little careful about overflow */ - ct = ms % 1000; - sec = ms / 1000; - if (ct) { - ct *= tb_ticks_per_sec; - do_div(ct, 1000); - } - if (sec) - ct += (cputime_t) sec * tb_ticks_per_sec; - return ct; -} - -/* - * Convert cputime <-> seconds - */ -extern u64 __cputime_sec_factor; - -static inline unsigned long cputime_to_secs(const cputime_t ct) -{ - return mulhdu(ct, __cputime_sec_factor); -} - -static inline cputime_t secs_to_cputime(const unsigned long sec) -{ - return (cputime_t) sec * tb_ticks_per_sec; -} - -/* - * Convert cputime <-> timespec - */ -static inline void cputime_to_timespec(const cputime_t ct, struct timespec *p) -{ - u64 x = ct; - unsigned int frac; - - frac = do_div(x, tb_ticks_per_sec); - p->tv_sec = x; - x = (u64) frac * 1000000000; - do_div(x, tb_ticks_per_sec); - p->tv_nsec = x; -} - -static inline cputime_t timespec_to_cputime(const struct timespec *p) -{ - cputime_t ct; - - ct = (u64) p->tv_nsec * tb_ticks_per_sec; - do_div(ct, 1000000000); - return ct + (u64) p->tv_sec * tb_ticks_per_sec; -} - -/* - * Convert cputime <-> timeval - */ -static inline void cputime_to_timeval(const cputime_t ct, struct timeval *p) -{ - u64 x = ct; - unsigned int frac; - - frac = do_div(x, tb_ticks_per_sec); - p->tv_sec = x; - x = (u64) frac * 1000000; - do_div(x, tb_ticks_per_sec); - p->tv_usec = x; -} - -static inline cputime_t timeval_to_cputime(const struct timeval *p) -{ - cputime_t ct; - - ct = (u64) p->tv_usec * tb_ticks_per_sec; - do_div(ct, 1000000); - return ct + (u64) p->tv_sec * tb_ticks_per_sec; -} - -/* - * Convert cputime <-> clock_t (units of 1/USER_HZ seconds) - */ -extern u64 __cputime_clockt_factor; - -static inline unsigned long cputime_to_clock_t(const cputime_t ct) -{ - return mulhdu(ct, __cputime_clockt_factor); -} - -static inline cputime_t clock_t_to_cputime(const unsigned long clk) -{ - cputime_t ct; - unsigned long sec; - - /* have to be a little careful about overflow */ - ct = clk % USER_HZ; - sec = clk / USER_HZ; - if (ct) { - ct *= tb_ticks_per_sec; - do_div(ct, USER_HZ); - } - if (sec) - ct += (cputime_t) sec * tb_ticks_per_sec; - return ct; -} - -#define cputime64_to_clock_t(ct) cputime_to_clock_t((cputime_t)(ct)) - -#endif /* __KERNEL__ */ -#endif /* CONFIG_VIRT_CPU_ACCOUNTING */ -#endif /* __POWERPC_CPUTIME_H */ |