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yaml
---
r: 117642
b: refs/heads/master
c: 9617760
h: refs/heads/master
v: v3
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Alexey Dobriyan committed Oct 23, 2008
1 parent b1f9f22 commit f403376
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Showing 4 changed files with 45 additions and 22 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5b3acc8de8b2bc459afae6e09ada45c7e5b11bbf
refs/heads/master: 9617760287eec9091d26e6967bd3e4194de18f97
1 change: 1 addition & 0 deletions trunk/fs/proc/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ proc-$(CONFIG_MMU) := mmu.o task_mmu.o
proc-y += inode.o root.o base.o generic.o array.o \
proc_tty.o proc_misc.o
proc-y += loadavg.o
proc-y += uptime.o
proc-$(CONFIG_PROC_SYSCTL) += proc_sysctl.o
proc-$(CONFIG_NET) += proc_net.o
proc-$(CONFIG_PROC_KCORE) += kcore.o
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21 changes: 0 additions & 21 deletions trunk/fs/proc/proc_misc.c
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Expand Up @@ -78,26 +78,6 @@ static int proc_calc_metrics(char *page, char **start, off_t off,
return len;
}

static int uptime_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
struct timespec uptime;
struct timespec idle;
int len;
cputime_t idletime = cputime_add(init_task.utime, init_task.stime);

do_posix_clock_monotonic_gettime(&uptime);
monotonic_to_bootbased(&uptime);
cputime_to_timespec(idletime, &idle);
len = sprintf(page,"%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 proc_calc_metrics(page, start, off, count, eof, len);
}

int __attribute__((weak)) arch_report_meminfo(char *page)
{
return 0;
Expand Down Expand Up @@ -836,7 +816,6 @@ void __init proc_misc_init(void)
char *name;
int (*read_proc)(char*,char**,off_t,int,int*,void*);
} *p, simple_ones[] = {
{"uptime", uptime_read_proc},
{"meminfo", meminfo_read_proc},
{"version", version_read_proc},
#ifdef CONFIG_PROC_HARDWARE
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43 changes: 43 additions & 0 deletions trunk/fs/proc/uptime.c
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@@ -0,0 +1,43 @@
#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 <asm/cputime.h>

static int uptime_proc_show(struct seq_file *m, void *v)
{
struct timespec uptime;
struct timespec idle;
cputime_t idletime = cputime_add(init_task.utime, init_task.stime);

do_posix_clock_monotonic_gettime(&uptime);
monotonic_to_bootbased(&uptime);
cputime_to_timespec(idletime, &idle);
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 uptime_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, uptime_proc_show, NULL);
}

static const struct file_operations uptime_proc_fops = {
.open = uptime_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};

static int __init proc_uptime_init(void)
{
proc_create("uptime", 0, NULL, &uptime_proc_fops);
return 0;
}
module_init(proc_uptime_init);

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