Linus TorvaldsLinux-2.6.12-rc21da177e21 years agoHistory
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/* * linux/include/asm-alpha/timex.h * * ALPHA architecture timex specifications */#ifndef _ASMALPHA_TIMEX_H#define _ASMALPHA_TIMEX_H /* With only one or two oddballs, we use the RTC as the ticker, selecting   the 32.768kHz reference clock, which nicely divides down to our HZ.  */#define CLOCK_TICK_RATE	32768 /* * Standard way to access the cycle counter. * Currently only used on SMP for scheduling. * * Only the low 32 bits are available as a continuously counting entity.  * But this only means we'll force a reschedule every 8 seconds or so, * which isn't an evil thing. */ typedef unsigned int cycles_t; static inline cycles_t get_cycles (void){	cycles_t ret;	__asm__ __volatile__ ("rpcc %0" : "=r"(ret));	return ret;} #endif