Release 4.14 arch/alpha/include/asm/timex.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * 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;
}

Contributors
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Linus Torvalds (pre-git)
18
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1
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Total
18
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1
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#endif
Overall Contributors
Person
Tokens
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CommitProp
Linus Torvalds (pre-git)
36
92.31%
2
50.00%
Richard Henderson
2
5.13%
1
25.00%
Greg Kroah-Hartman
1
2.56%
1
25.00%
Total
39
100.00%
4
100.00%
Directory: arch/alpha/include/asm

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