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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-10-18 14:50:44 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-10-18 14:50:44 +0200
commita6991d623de02c42c44ddfffde66ec18608069d3 (patch)
tree13508d828e84f8b171322e6b51f7a2819f0482bd /arch/nds32/boot/git:/ssh:/git@git.zx2c4.com
parentLinux 6.1-rc1 (diff)
parentcpufreq: sun50i: Switch to use dev_err_probe() helper (diff)
Merge tag 'cpufreq-arm-fixes-6.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull cpufreq ARM fixes / cleanups for 6.1-rc from Viresh Kumar: "- Fix module loading in Tegra124 driver (Jon Hunter). - Fix memory leak and update to read-only region in qcom driver (Fabien Parent). - Miscellaneous minor cleanups to cpufreq drivers (Fabien Parent and Yang Yingliang)." * tag 'cpufreq-arm-fixes-6.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm: cpufreq: sun50i: Switch to use dev_err_probe() helper cpufreq: qcom-nvmem: Switch to use dev_err_probe() helper cpufreq: imx6q: Switch to use dev_err_probe() helper cpufreq: dt: Switch to use dev_err_probe() helper cpufreq: qcom: remove unused parameter in function definition cpufreq: qcom: fix writes in read-only memory region cpufreq: qcom: fix memory leak in error path cpufreq: tegra194: Fix module loading
Diffstat (limited to 'arch/nds32/boot/git:/ssh:/git@git.zx2c4.com')
0 files changed, 0 insertions, 0 deletions
Copyright © 1996 – 2026 Jason A. Donenfeld. All Rights Reverse Engineered.
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// SPDX-License-Identifier: GPL-2.0
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/time.h>
#include <linux/time_namespace.h>
#include <linux/kernel_stat.h>

static int uptime_proc_show(struct seq_file *m, void *v)
{
	struct timespec64 uptime;
	struct timespec64 idle;
	u64 nsec;
	u32 rem;
	int i;

	nsec = 0;
	for_each_possible_cpu(i)
		nsec += (__force u64) kcpustat_cpu(i).cpustat[CPUTIME_IDLE];

	ktime_get_boottime_ts64(&uptime);
	timens_add_boottime(&uptime);

	idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
	idle.tv_nsec = rem;
	seq_printf(m, "%lu.%02lu %lu.%02lu\n",
			(unsigned long) uptime.tv_sec,
			(uptime.tv_nsec / (NSEC_PER_SEC / 100)),
			(unsigned long) idle.tv_sec,
			(idle.tv_nsec / (NSEC_PER_SEC / 100)));
	return 0;
}

static int __init proc_uptime_init(void)
{
	proc_create_single("uptime", 0, NULL, uptime_proc_show);
	return 0;
}
fs_initcall(proc_uptime_init);