Release 4.14 arch/cris/kernel/time.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/arch/cris/kernel/time.c
 *
 *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
 *  Copyright (C) 1999, 2000, 2001 Axis Communications AB
 *
 * 1994-07-02    Alan Modra
 *      fixed set_rtc_mmss, fixed time.year for >= 2000, new mktime
 * 1995-03-26    Markus Kuhn
 *      fixed 500 ms bug at call to set_rtc_mmss, fixed DS12887
 *      precision CMOS clock update
 * 1996-05-03    Ingo Molnar
 *      fixed time warps in do_[slow|fast]_gettimeoffset()
 * 1997-09-10   Updated NTP code according to technical memorandum Jan '96
 *              "A Kernel Model for Precision Timekeeping" by Dave Mills
 *
 * Linux/CRIS specific code:
 *
 * Authors:    Bjorn Wesen
 *             Johan Adolfsson
 *
 */

#include <linux/errno.h>
#include <linux/module.h>
#include <linux/param.h>
#include <linux/jiffies.h>
#include <linux/bcd.h>
#include <linux/timex.h>
#include <linux/init.h>
#include <linux/profile.h>
#include <linux/sched/clock.h>



#define D(x)


#define TICK_SIZE tick

extern unsigned long loops_per_jiffy; /* init/main.c */

unsigned long loops_per_usec;

extern void cris_profile_sample(struct pt_regs* regs);


void

cris_do_profile(struct pt_regs* regs)
{

#ifdef CONFIG_SYSTEM_PROFILER
        cris_profile_sample(regs);
#endif

#ifdef CONFIG_PROFILING
	profile_tick(CPU_PROFILING);
#endif
}

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Mikael Starvik
26
86.67%
1
50.00%
Jesper Nilsson
4
13.33%
1
50.00%
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30
100.00%
2
100.00%

#ifndef CONFIG_GENERIC_SCHED_CLOCK


unsigned long long sched_clock(void)
{
	return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ) +
		get_ns_in_jiffie();
}
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#endif


static int

__init init_udelay(void)
{
	loops_per_usec = (loops_per_jiffy * HZ) / 1000000;
	return 0;
}

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Andrew Morton
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__initcall(init_udelay);
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Person
Tokens
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Commits
CommitProp
Mikael Starvik
44
29.93%
2
14.29%
Andrew Morton
40
27.21%
2
14.29%
Jesper Nilsson
37
25.17%
4
28.57%
Linus Torvalds
14
9.52%
1
7.14%
Rabin Vincent
5
3.40%
1
7.14%
Arnaldo Carvalho de Melo
3
2.04%
1
7.14%
Tim Schmielau
2
1.36%
1
7.14%
Greg Kroah-Hartman
1
0.68%
1
7.14%
Ingo Molnar
1
0.68%
1
7.14%
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147
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14
100.00%
Directory: arch/cris/kernel

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