mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-29 19:21:31 -04:00
Merge branch 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc
* 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc: (35 commits) proc: remove fs/proc/proc_misc.c proc: move /proc/vmcore creation to fs/proc/vmcore.c proc: move pagecount stuff to fs/proc/page.c proc: move all /proc/kcore stuff to fs/proc/kcore.c proc: move /proc/schedstat boilerplate to kernel/sched_stats.h proc: move /proc/modules boilerplate to kernel/module.c proc: move /proc/diskstats boilerplate to block/genhd.c proc: move /proc/zoneinfo boilerplate to mm/vmstat.c proc: move /proc/vmstat boilerplate to mm/vmstat.c proc: move /proc/pagetypeinfo boilerplate to mm/vmstat.c proc: move /proc/buddyinfo boilerplate to mm/vmstat.c proc: move /proc/vmallocinfo to mm/vmalloc.c proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c proc: move /proc/slab_allocators boilerplate to mm/slab.c proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c proc: move /proc/stat to fs/proc/stat.c proc: move rest of /proc/partitions code to block/genhd.c proc: move /proc/cpuinfo code to fs/proc/cpuinfo.c proc: move /proc/devices code to fs/proc/devices.c proc: move rest of /proc/locks to fs/locks.c ...
This commit is contained in:
Linus Torvalds
commit
88ed86fee6
56 changed files with 1263 additions and 1141 deletions
|
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@ -8,11 +8,20 @@ proc-y := nommu.o task_nommu.o
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proc-$(CONFIG_MMU) := mmu.o task_mmu.o
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proc-y += inode.o root.o base.o generic.o array.o \
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proc_tty.o proc_misc.o
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proc_tty.o
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proc-y += cmdline.o
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proc-y += cpuinfo.o
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proc-y += devices.o
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proc-y += interrupts.o
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proc-y += loadavg.o
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proc-y += meminfo.o
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proc-y += stat.o
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proc-y += uptime.o
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proc-y += version.o
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proc-$(CONFIG_PROC_SYSCTL) += proc_sysctl.o
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proc-$(CONFIG_NET) += proc_net.o
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proc-$(CONFIG_PROC_KCORE) += kcore.o
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proc-$(CONFIG_PROC_VMCORE) += vmcore.o
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proc-$(CONFIG_PROC_DEVICETREE) += proc_devtree.o
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proc-$(CONFIG_PRINTK) += kmsg.o
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proc-$(CONFIG_PROC_PAGE_MONITOR) += page.o
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29
fs/proc/cmdline.c
Normal file
29
fs/proc/cmdline.c
Normal file
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@ -0,0 +1,29 @@
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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static int cmdline_proc_show(struct seq_file *m, void *v)
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{
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seq_printf(m, "%s\n", saved_command_line);
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return 0;
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}
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static int cmdline_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cmdline_proc_show, NULL);
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}
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static const struct file_operations cmdline_proc_fops = {
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.open = cmdline_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int __init proc_cmdline_init(void)
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{
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proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
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return 0;
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}
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module_init(proc_cmdline_init);
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24
fs/proc/cpuinfo.c
Normal file
24
fs/proc/cpuinfo.c
Normal file
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@ -0,0 +1,24 @@
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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extern const struct seq_operations cpuinfo_op;
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static int cpuinfo_open(struct inode *inode, struct file *file)
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{
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return seq_open(file, &cpuinfo_op);
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}
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static const struct file_operations proc_cpuinfo_operations = {
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.open = cpuinfo_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int __init proc_cpuinfo_init(void)
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{
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proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
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return 0;
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}
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module_init(proc_cpuinfo_init);
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70
fs/proc/devices.c
Normal file
70
fs/proc/devices.c
Normal file
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@ -0,0 +1,70 @@
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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static int devinfo_show(struct seq_file *f, void *v)
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{
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int i = *(loff_t *) v;
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if (i < CHRDEV_MAJOR_HASH_SIZE) {
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if (i == 0)
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seq_printf(f, "Character devices:\n");
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chrdev_show(f, i);
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}
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#ifdef CONFIG_BLOCK
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else {
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i -= CHRDEV_MAJOR_HASH_SIZE;
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if (i == 0)
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seq_printf(f, "\nBlock devices:\n");
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blkdev_show(f, i);
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}
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#endif
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return 0;
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}
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static void *devinfo_start(struct seq_file *f, loff_t *pos)
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{
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if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
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return pos;
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return NULL;
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}
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static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
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{
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(*pos)++;
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if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
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return NULL;
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return pos;
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}
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static void devinfo_stop(struct seq_file *f, void *v)
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{
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/* Nothing to do */
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}
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static const struct seq_operations devinfo_ops = {
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.start = devinfo_start,
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.next = devinfo_next,
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.stop = devinfo_stop,
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.show = devinfo_show
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};
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static int devinfo_open(struct inode *inode, struct file *filp)
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{
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return seq_open(filp, &devinfo_ops);
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}
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static const struct file_operations proc_devinfo_operations = {
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.open = devinfo_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int __init proc_devices_init(void)
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{
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proc_create("devices", 0, NULL, &proc_devinfo_operations);
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return 0;
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}
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module_init(proc_devices_init);
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@ -547,9 +547,8 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
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for (tmp = dir->subdir; tmp; tmp = tmp->next)
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if (strcmp(tmp->name, dp->name) == 0) {
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printk(KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
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WARN(1, KERN_WARNING "proc_dir_entry '%s/%s' already registered\n",
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dir->name, dp->name);
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dump_stack();
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break;
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}
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@ -106,14 +106,13 @@ static void init_once(void *foo)
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inode_init_once(&ei->vfs_inode);
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}
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int __init proc_init_inodecache(void)
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void __init proc_init_inodecache(void)
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{
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proc_inode_cachep = kmem_cache_create("proc_inode_cache",
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sizeof(struct proc_inode),
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0, (SLAB_RECLAIM_ACCOUNT|
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SLAB_MEM_SPREAD|SLAB_PANIC),
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init_once);
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return 0;
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}
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static const struct super_operations proc_sops = {
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@ -61,12 +61,11 @@ extern const struct file_operations proc_smaps_operations;
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extern const struct file_operations proc_clear_refs_operations;
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extern const struct file_operations proc_pagemap_operations;
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extern const struct file_operations proc_net_operations;
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extern const struct file_operations proc_kmsg_operations;
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extern const struct inode_operations proc_net_inode_operations;
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void free_proc_entry(struct proc_dir_entry *de);
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int proc_init_inodecache(void);
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void proc_init_inodecache(void);
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static inline struct pid *proc_pid(struct inode *inode)
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{
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53
fs/proc/interrupts.c
Normal file
53
fs/proc/interrupts.c
Normal file
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@ -0,0 +1,53 @@
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irqnr.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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/*
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* /proc/interrupts
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*/
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static void *int_seq_start(struct seq_file *f, loff_t *pos)
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{
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return (*pos <= nr_irqs) ? pos : NULL;
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}
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static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
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{
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(*pos)++;
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if (*pos > nr_irqs)
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return NULL;
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return pos;
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}
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static void int_seq_stop(struct seq_file *f, void *v)
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{
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/* Nothing to do */
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}
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static const struct seq_operations int_seq_ops = {
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.start = int_seq_start,
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.next = int_seq_next,
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.stop = int_seq_stop,
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.show = show_interrupts
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};
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static int interrupts_open(struct inode *inode, struct file *filp)
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{
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return seq_open(filp, &int_seq_ops);
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}
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static const struct file_operations proc_interrupts_operations = {
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.open = interrupts_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int __init proc_interrupts_init(void)
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{
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proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
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return 0;
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}
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module_init(proc_interrupts_init);
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@ -27,6 +27,8 @@
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#define ELF_CORE_EFLAGS 0
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#endif
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static struct proc_dir_entry *proc_root_kcore;
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static int open_kcore(struct inode * inode, struct file * filp)
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{
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return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
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@ -34,7 +36,7 @@ static int open_kcore(struct inode * inode, struct file * filp)
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static ssize_t read_kcore(struct file *, char __user *, size_t, loff_t *);
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const struct file_operations proc_kcore_operations = {
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static const struct file_operations proc_kcore_operations = {
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.read = read_kcore,
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.open = open_kcore,
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};
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@ -399,3 +401,13 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
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return acc;
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}
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static int __init proc_kcore_init(void)
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{
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proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
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if (proc_root_kcore)
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proc_root_kcore->size =
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(size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
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return 0;
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}
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module_init(proc_kcore_init);
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@ -10,13 +10,12 @@
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#include <linux/time.h>
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#include <linux/kernel.h>
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#include <linux/poll.h>
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#include <linux/proc_fs.h>
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#include <linux/fs.h>
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#include <asm/uaccess.h>
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#include <asm/io.h>
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#include "internal.h"
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extern wait_queue_head_t log_wait;
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extern int do_syslog(int type, char __user *bug, int count);
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@ -49,9 +48,16 @@ static unsigned int kmsg_poll(struct file *file, poll_table *wait)
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}
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const struct file_operations proc_kmsg_operations = {
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static const struct file_operations proc_kmsg_operations = {
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.read = kmsg_read,
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.poll = kmsg_poll,
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.open = kmsg_open,
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.release = kmsg_release,
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};
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static int __init proc_kmsg_init(void)
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{
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proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
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return 0;
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}
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module_init(proc_kmsg_init);
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|
|
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51
fs/proc/loadavg.c
Normal file
51
fs/proc/loadavg.c
Normal file
|
|
@ -0,0 +1,51 @@
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/pid_namespace.h>
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#include <linux/proc_fs.h>
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#include <linux/sched.h>
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#include <linux/seq_file.h>
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#include <linux/seqlock.h>
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#include <linux/time.h>
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||||
|
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#define LOAD_INT(x) ((x) >> FSHIFT)
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#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
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|
||||
static int loadavg_proc_show(struct seq_file *m, void *v)
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{
|
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int a, b, c;
|
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unsigned long seq;
|
||||
|
||||
do {
|
||||
seq = read_seqbegin(&xtime_lock);
|
||||
a = avenrun[0] + (FIXED_1/200);
|
||||
b = avenrun[1] + (FIXED_1/200);
|
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c = avenrun[2] + (FIXED_1/200);
|
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} while (read_seqretry(&xtime_lock, seq));
|
||||
|
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seq_printf(m, "%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
|
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LOAD_INT(a), LOAD_FRAC(a),
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LOAD_INT(b), LOAD_FRAC(b),
|
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LOAD_INT(c), LOAD_FRAC(c),
|
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nr_running(), nr_threads,
|
||||
task_active_pid_ns(current)->last_pid);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int loadavg_proc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, loadavg_proc_show, NULL);
|
||||
}
|
||||
|
||||
static const struct file_operations loadavg_proc_fops = {
|
||||
.open = loadavg_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int __init proc_loadavg_init(void)
|
||||
{
|
||||
proc_create("loadavg", 0, NULL, &loadavg_proc_fops);
|
||||
return 0;
|
||||
}
|
||||
module_init(proc_loadavg_init);
|
||||
168
fs/proc/meminfo.c
Normal file
168
fs/proc/meminfo.c
Normal file
|
|
@ -0,0 +1,168 @@
|
|||
#include <linux/fs.h>
|
||||
#include <linux/hugetlb.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/mman.h>
|
||||
#include <linux/mmzone.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/quicklist.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/swap.h>
|
||||
#include <linux/vmstat.h>
|
||||
#include <asm/atomic.h>
|
||||
#include <asm/page.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include "internal.h"
|
||||
|
||||
void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
|
||||
{
|
||||
}
|
||||
|
||||
static int meminfo_proc_show(struct seq_file *m, void *v)
|
||||
{
|
||||
struct sysinfo i;
|
||||
unsigned long committed;
|
||||
unsigned long allowed;
|
||||
struct vmalloc_info vmi;
|
||||
long cached;
|
||||
unsigned long pages[NR_LRU_LISTS];
|
||||
int lru;
|
||||
|
||||
/*
|
||||
* display in kilobytes.
|
||||
*/
|
||||
#define K(x) ((x) << (PAGE_SHIFT - 10))
|
||||
si_meminfo(&i);
|
||||
si_swapinfo(&i);
|
||||
committed = atomic_long_read(&vm_committed_space);
|
||||
allowed = ((totalram_pages - hugetlb_total_pages())
|
||||
* sysctl_overcommit_ratio / 100) + total_swap_pages;
|
||||
|
||||
cached = global_page_state(NR_FILE_PAGES) -
|
||||
total_swapcache_pages - i.bufferram;
|
||||
if (cached < 0)
|
||||
cached = 0;
|
||||
|
||||
get_vmalloc_info(&vmi);
|
||||
|
||||
for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
|
||||
pages[lru] = global_page_state(NR_LRU_BASE + lru);
|
||||
|
||||
/*
|
||||
* Tagged format, for easy grepping and expansion.
|
||||
*/
|
||||
seq_printf(m,
|
||||
"MemTotal: %8lu kB\n"
|
||||
"MemFree: %8lu kB\n"
|
||||
"Buffers: %8lu kB\n"
|
||||
"Cached: %8lu kB\n"
|
||||
"SwapCached: %8lu kB\n"
|
||||
"Active: %8lu kB\n"
|
||||
"Inactive: %8lu kB\n"
|
||||
"Active(anon): %8lu kB\n"
|
||||
"Inactive(anon): %8lu kB\n"
|
||||
"Active(file): %8lu kB\n"
|
||||
"Inactive(file): %8lu kB\n"
|
||||
#ifdef CONFIG_UNEVICTABLE_LRU
|
||||
"Unevictable: %8lu kB\n"
|
||||
"Mlocked: %8lu kB\n"
|
||||
#endif
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
"HighTotal: %8lu kB\n"
|
||||
"HighFree: %8lu kB\n"
|
||||
"LowTotal: %8lu kB\n"
|
||||
"LowFree: %8lu kB\n"
|
||||
#endif
|
||||
"SwapTotal: %8lu kB\n"
|
||||
"SwapFree: %8lu kB\n"
|
||||
"Dirty: %8lu kB\n"
|
||||
"Writeback: %8lu kB\n"
|
||||
"AnonPages: %8lu kB\n"
|
||||
"Mapped: %8lu kB\n"
|
||||
"Slab: %8lu kB\n"
|
||||
"SReclaimable: %8lu kB\n"
|
||||
"SUnreclaim: %8lu kB\n"
|
||||
"PageTables: %8lu kB\n"
|
||||
#ifdef CONFIG_QUICKLIST
|
||||
"Quicklists: %8lu kB\n"
|
||||
#endif
|
||||
"NFS_Unstable: %8lu kB\n"
|
||||
"Bounce: %8lu kB\n"
|
||||
"WritebackTmp: %8lu kB\n"
|
||||
"CommitLimit: %8lu kB\n"
|
||||
"Committed_AS: %8lu kB\n"
|
||||
"VmallocTotal: %8lu kB\n"
|
||||
"VmallocUsed: %8lu kB\n"
|
||||
"VmallocChunk: %8lu kB\n",
|
||||
K(i.totalram),
|
||||
K(i.freeram),
|
||||
K(i.bufferram),
|
||||
K(cached),
|
||||
K(total_swapcache_pages),
|
||||
K(pages[LRU_ACTIVE_ANON] + pages[LRU_ACTIVE_FILE]),
|
||||
K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
|
||||
K(pages[LRU_ACTIVE_ANON]),
|
||||
K(pages[LRU_INACTIVE_ANON]),
|
||||
K(pages[LRU_ACTIVE_FILE]),
|
||||
K(pages[LRU_INACTIVE_FILE]),
|
||||
#ifdef CONFIG_UNEVICTABLE_LRU
|
||||
K(pages[LRU_UNEVICTABLE]),
|
||||
K(global_page_state(NR_MLOCK)),
|
||||
#endif
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
K(i.totalhigh),
|
||||
K(i.freehigh),
|
||||
K(i.totalram-i.totalhigh),
|
||||
K(i.freeram-i.freehigh),
|
||||
#endif
|
||||
K(i.totalswap),
|
||||
K(i.freeswap),
|
||||
K(global_page_state(NR_FILE_DIRTY)),
|
||||
K(global_page_state(NR_WRITEBACK)),
|
||||
K(global_page_state(NR_ANON_PAGES)),
|
||||
K(global_page_state(NR_FILE_MAPPED)),
|
||||
K(global_page_state(NR_SLAB_RECLAIMABLE) +
|
||||
global_page_state(NR_SLAB_UNRECLAIMABLE)),
|
||||
K(global_page_state(NR_SLAB_RECLAIMABLE)),
|
||||
K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
|
||||
K(global_page_state(NR_PAGETABLE)),
|
||||
#ifdef CONFIG_QUICKLIST
|
||||
K(quicklist_total_size()),
|
||||
#endif
|
||||
K(global_page_state(NR_UNSTABLE_NFS)),
|
||||
K(global_page_state(NR_BOUNCE)),
|
||||
K(global_page_state(NR_WRITEBACK_TEMP)),
|
||||
K(allowed),
|
||||
K(committed),
|
||||
(unsigned long)VMALLOC_TOTAL >> 10,
|
||||
vmi.used >> 10,
|
||||
vmi.largest_chunk >> 10
|
||||
);
|
||||
|
||||
hugetlb_report_meminfo(m);
|
||||
|
||||
arch_report_meminfo(m);
|
||||
|
||||
return 0;
|
||||
#undef K
|
||||
}
|
||||
|
||||
static int meminfo_proc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, meminfo_proc_show, NULL);
|
||||
}
|
||||
|
||||
static const struct file_operations meminfo_proc_fops = {
|
||||
.open = meminfo_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int __init proc_meminfo_init(void)
|
||||
{
|
||||
proc_create("meminfo", 0, NULL, &meminfo_proc_fops);
|
||||
return 0;
|
||||
}
|
||||
module_init(proc_meminfo_init);
|
||||
147
fs/proc/page.c
Normal file
147
fs/proc/page.c
Normal file
|
|
@ -0,0 +1,147 @@
|
|||
#include <linux/bootmem.h>
|
||||
#include <linux/compiler.h>
|
||||
#include <linux/fs.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/mmzone.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include "internal.h"
|
||||
|
||||
#define KPMSIZE sizeof(u64)
|
||||
#define KPMMASK (KPMSIZE - 1)
|
||||
/* /proc/kpagecount - an array exposing page counts
|
||||
*
|
||||
* Each entry is a u64 representing the corresponding
|
||||
* physical page count.
|
||||
*/
|
||||
static ssize_t kpagecount_read(struct file *file, char __user *buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
u64 __user *out = (u64 __user *)buf;
|
||||
struct page *ppage;
|
||||
unsigned long src = *ppos;
|
||||
unsigned long pfn;
|
||||
ssize_t ret = 0;
|
||||
u64 pcount;
|
||||
|
||||
pfn = src / KPMSIZE;
|
||||
count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
|
||||
if (src & KPMMASK || count & KPMMASK)
|
||||
return -EINVAL;
|
||||
|
||||
while (count > 0) {
|
||||
ppage = NULL;
|
||||
if (pfn_valid(pfn))
|
||||
ppage = pfn_to_page(pfn);
|
||||
pfn++;
|
||||
if (!ppage)
|
||||
pcount = 0;
|
||||
else
|
||||
pcount = page_mapcount(ppage);
|
||||
|
||||
if (put_user(pcount, out++)) {
|
||||
ret = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
count -= KPMSIZE;
|
||||
}
|
||||
|
||||
*ppos += (char __user *)out - buf;
|
||||
if (!ret)
|
||||
ret = (char __user *)out - buf;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct file_operations proc_kpagecount_operations = {
|
||||
.llseek = mem_lseek,
|
||||
.read = kpagecount_read,
|
||||
};
|
||||
|
||||
/* /proc/kpageflags - an array exposing page flags
|
||||
*
|
||||
* Each entry is a u64 representing the corresponding
|
||||
* physical page flags.
|
||||
*/
|
||||
|
||||
/* These macros are used to decouple internal flags from exported ones */
|
||||
|
||||
#define KPF_LOCKED 0
|
||||
#define KPF_ERROR 1
|
||||
#define KPF_REFERENCED 2
|
||||
#define KPF_UPTODATE 3
|
||||
#define KPF_DIRTY 4
|
||||
#define KPF_LRU 5
|
||||
#define KPF_ACTIVE 6
|
||||
#define KPF_SLAB 7
|
||||
#define KPF_WRITEBACK 8
|
||||
#define KPF_RECLAIM 9
|
||||
#define KPF_BUDDY 10
|
||||
|
||||
#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
|
||||
|
||||
static ssize_t kpageflags_read(struct file *file, char __user *buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
u64 __user *out = (u64 __user *)buf;
|
||||
struct page *ppage;
|
||||
unsigned long src = *ppos;
|
||||
unsigned long pfn;
|
||||
ssize_t ret = 0;
|
||||
u64 kflags, uflags;
|
||||
|
||||
pfn = src / KPMSIZE;
|
||||
count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
|
||||
if (src & KPMMASK || count & KPMMASK)
|
||||
return -EINVAL;
|
||||
|
||||
while (count > 0) {
|
||||
ppage = NULL;
|
||||
if (pfn_valid(pfn))
|
||||
ppage = pfn_to_page(pfn);
|
||||
pfn++;
|
||||
if (!ppage)
|
||||
kflags = 0;
|
||||
else
|
||||
kflags = ppage->flags;
|
||||
|
||||
uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
|
||||
kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
|
||||
kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
|
||||
kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |
|
||||
kpf_copy_bit(kflags, KPF_DIRTY, PG_dirty) |
|
||||
kpf_copy_bit(kflags, KPF_LRU, PG_lru) |
|
||||
kpf_copy_bit(kflags, KPF_ACTIVE, PG_active) |
|
||||
kpf_copy_bit(kflags, KPF_SLAB, PG_slab) |
|
||||
kpf_copy_bit(kflags, KPF_WRITEBACK, PG_writeback) |
|
||||
kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
|
||||
kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
|
||||
|
||||
if (put_user(uflags, out++)) {
|
||||
ret = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
count -= KPMSIZE;
|
||||
}
|
||||
|
||||
*ppos += (char __user *)out - buf;
|
||||
if (!ret)
|
||||
ret = (char __user *)out - buf;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct file_operations proc_kpageflags_operations = {
|
||||
.llseek = mem_lseek,
|
||||
.read = kpageflags_read,
|
||||
};
|
||||
|
||||
static int __init proc_page_init(void)
|
||||
{
|
||||
proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
|
||||
proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
|
||||
return 0;
|
||||
}
|
||||
module_init(proc_page_init);
|
||||
|
|
@ -4,6 +4,7 @@
|
|||
* Copyright 1997 Paul Mackerras
|
||||
*/
|
||||
#include <linux/errno.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/time.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/stat.h>
|
||||
|
|
@ -214,7 +215,7 @@ void proc_device_tree_add_node(struct device_node *np,
|
|||
/*
|
||||
* Called on initialization to set up the /proc/device-tree subtree
|
||||
*/
|
||||
void proc_device_tree_init(void)
|
||||
void __init proc_device_tree_init(void)
|
||||
{
|
||||
struct device_node *root;
|
||||
if ( !have_of )
|
||||
|
|
|
|||
|
|
@ -1,933 +0,0 @@
|
|||
/*
|
||||
* linux/fs/proc/proc_misc.c
|
||||
*
|
||||
* linux/fs/proc/array.c
|
||||
* Copyright (C) 1992 by Linus Torvalds
|
||||
* based on ideas by Darren Senn
|
||||
*
|
||||
* This used to be the part of array.c. See the rest of history and credits
|
||||
* there. I took this into a separate file and switched the thing to generic
|
||||
* proc_file_inode_operations, leaving in array.c only per-process stuff.
|
||||
* Inumbers allocation made dynamic (via create_proc_entry()). AV, May 1999.
|
||||
*
|
||||
* Changes:
|
||||
* Fulton Green : Encapsulated position metric calculations.
|
||||
* <kernel@FultonGreen.com>
|
||||
*/
|
||||
|
||||
#include <linux/types.h>
|
||||
#include <linux/errno.h>
|
||||
#include <linux/time.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/kernel_stat.h>
|
||||
#include <linux/fs.h>
|
||||
#include <linux/tty.h>
|
||||
#include <linux/string.h>
|
||||
#include <linux/mman.h>
|
||||
#include <linux/quicklist.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/ioport.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/mmzone.h>
|
||||
#include <linux/pagemap.h>
|
||||
#include <linux/irq.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/swap.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/genhd.h>
|
||||
#include <linux/smp.h>
|
||||
#include <linux/signal.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/times.h>
|
||||
#include <linux/profile.h>
|
||||
#include <linux/utsname.h>
|
||||
#include <linux/blkdev.h>
|
||||
#include <linux/hugetlb.h>
|
||||
#include <linux/jiffies.h>
|
||||
#include <linux/vmalloc.h>
|
||||
#include <linux/crash_dump.h>
|
||||
#include <linux/pid_namespace.h>
|
||||
#include <linux/bootmem.h>
|
||||
#include <asm/uaccess.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/tlb.h>
|
||||
#include <asm/div64.h>
|
||||
#include "internal.h"
|
||||
|
||||
#define LOAD_INT(x) ((x) >> FSHIFT)
|
||||
#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
|
||||
/*
|
||||
* Warning: stuff below (imported functions) assumes that its output will fit
|
||||
* into one page. For some of those functions it may be wrong. Moreover, we
|
||||
* have a way to deal with that gracefully. Right now I used straightforward
|
||||
* wrappers, but this needs further analysis wrt potential overflows.
|
||||
*/
|
||||
extern int get_hardware_list(char *);
|
||||
extern int get_stram_list(char *);
|
||||
extern int get_exec_domain_list(char *);
|
||||
|
||||
static int proc_calc_metrics(char *page, char **start, off_t off,
|
||||
int count, int *eof, int len)
|
||||
{
|
||||
if (len <= off+count) *eof = 1;
|
||||
*start = page + off;
|
||||
len -= off;
|
||||
if (len>count) len = count;
|
||||
if (len<0) len = 0;
|
||||
return len;
|
||||
}
|
||||
|
||||
static int loadavg_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int a, b, c;
|
||||
int len;
|
||||
unsigned long seq;
|
||||
|
||||
do {
|
||||
seq = read_seqbegin(&xtime_lock);
|
||||
a = avenrun[0] + (FIXED_1/200);
|
||||
b = avenrun[1] + (FIXED_1/200);
|
||||
c = avenrun[2] + (FIXED_1/200);
|
||||
} while (read_seqretry(&xtime_lock, seq));
|
||||
|
||||
len = sprintf(page,"%d.%02d %d.%02d %d.%02d %ld/%d %d\n",
|
||||
LOAD_INT(a), LOAD_FRAC(a),
|
||||
LOAD_INT(b), LOAD_FRAC(b),
|
||||
LOAD_INT(c), LOAD_FRAC(c),
|
||||
nr_running(), nr_threads,
|
||||
task_active_pid_ns(current)->last_pid);
|
||||
return proc_calc_metrics(page, start, off, count, eof, 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;
|
||||
}
|
||||
|
||||
static int meminfo_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
struct sysinfo i;
|
||||
int len;
|
||||
unsigned long committed;
|
||||
unsigned long allowed;
|
||||
struct vmalloc_info vmi;
|
||||
long cached;
|
||||
unsigned long pages[NR_LRU_LISTS];
|
||||
int lru;
|
||||
|
||||
/*
|
||||
* display in kilobytes.
|
||||
*/
|
||||
#define K(x) ((x) << (PAGE_SHIFT - 10))
|
||||
si_meminfo(&i);
|
||||
si_swapinfo(&i);
|
||||
committed = atomic_long_read(&vm_committed_space);
|
||||
allowed = ((totalram_pages - hugetlb_total_pages())
|
||||
* sysctl_overcommit_ratio / 100) + total_swap_pages;
|
||||
|
||||
cached = global_page_state(NR_FILE_PAGES) -
|
||||
total_swapcache_pages - i.bufferram;
|
||||
if (cached < 0)
|
||||
cached = 0;
|
||||
|
||||
get_vmalloc_info(&vmi);
|
||||
|
||||
for (lru = LRU_BASE; lru < NR_LRU_LISTS; lru++)
|
||||
pages[lru] = global_page_state(NR_LRU_BASE + lru);
|
||||
|
||||
/*
|
||||
* Tagged format, for easy grepping and expansion.
|
||||
*/
|
||||
len = sprintf(page,
|
||||
"MemTotal: %8lu kB\n"
|
||||
"MemFree: %8lu kB\n"
|
||||
"Buffers: %8lu kB\n"
|
||||
"Cached: %8lu kB\n"
|
||||
"SwapCached: %8lu kB\n"
|
||||
"Active: %8lu kB\n"
|
||||
"Inactive: %8lu kB\n"
|
||||
"Active(anon): %8lu kB\n"
|
||||
"Inactive(anon): %8lu kB\n"
|
||||
"Active(file): %8lu kB\n"
|
||||
"Inactive(file): %8lu kB\n"
|
||||
#ifdef CONFIG_UNEVICTABLE_LRU
|
||||
"Unevictable: %8lu kB\n"
|
||||
"Mlocked: %8lu kB\n"
|
||||
#endif
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
"HighTotal: %8lu kB\n"
|
||||
"HighFree: %8lu kB\n"
|
||||
"LowTotal: %8lu kB\n"
|
||||
"LowFree: %8lu kB\n"
|
||||
#endif
|
||||
"SwapTotal: %8lu kB\n"
|
||||
"SwapFree: %8lu kB\n"
|
||||
"Dirty: %8lu kB\n"
|
||||
"Writeback: %8lu kB\n"
|
||||
"AnonPages: %8lu kB\n"
|
||||
"Mapped: %8lu kB\n"
|
||||
"Slab: %8lu kB\n"
|
||||
"SReclaimable: %8lu kB\n"
|
||||
"SUnreclaim: %8lu kB\n"
|
||||
"PageTables: %8lu kB\n"
|
||||
#ifdef CONFIG_QUICKLIST
|
||||
"Quicklists: %8lu kB\n"
|
||||
#endif
|
||||
"NFS_Unstable: %8lu kB\n"
|
||||
"Bounce: %8lu kB\n"
|
||||
"WritebackTmp: %8lu kB\n"
|
||||
"CommitLimit: %8lu kB\n"
|
||||
"Committed_AS: %8lu kB\n"
|
||||
"VmallocTotal: %8lu kB\n"
|
||||
"VmallocUsed: %8lu kB\n"
|
||||
"VmallocChunk: %8lu kB\n",
|
||||
K(i.totalram),
|
||||
K(i.freeram),
|
||||
K(i.bufferram),
|
||||
K(cached),
|
||||
K(total_swapcache_pages),
|
||||
K(pages[LRU_ACTIVE_ANON] + pages[LRU_ACTIVE_FILE]),
|
||||
K(pages[LRU_INACTIVE_ANON] + pages[LRU_INACTIVE_FILE]),
|
||||
K(pages[LRU_ACTIVE_ANON]),
|
||||
K(pages[LRU_INACTIVE_ANON]),
|
||||
K(pages[LRU_ACTIVE_FILE]),
|
||||
K(pages[LRU_INACTIVE_FILE]),
|
||||
#ifdef CONFIG_UNEVICTABLE_LRU
|
||||
K(pages[LRU_UNEVICTABLE]),
|
||||
K(global_page_state(NR_MLOCK)),
|
||||
#endif
|
||||
#ifdef CONFIG_HIGHMEM
|
||||
K(i.totalhigh),
|
||||
K(i.freehigh),
|
||||
K(i.totalram-i.totalhigh),
|
||||
K(i.freeram-i.freehigh),
|
||||
#endif
|
||||
K(i.totalswap),
|
||||
K(i.freeswap),
|
||||
K(global_page_state(NR_FILE_DIRTY)),
|
||||
K(global_page_state(NR_WRITEBACK)),
|
||||
K(global_page_state(NR_ANON_PAGES)),
|
||||
K(global_page_state(NR_FILE_MAPPED)),
|
||||
K(global_page_state(NR_SLAB_RECLAIMABLE) +
|
||||
global_page_state(NR_SLAB_UNRECLAIMABLE)),
|
||||
K(global_page_state(NR_SLAB_RECLAIMABLE)),
|
||||
K(global_page_state(NR_SLAB_UNRECLAIMABLE)),
|
||||
K(global_page_state(NR_PAGETABLE)),
|
||||
#ifdef CONFIG_QUICKLIST
|
||||
K(quicklist_total_size()),
|
||||
#endif
|
||||
K(global_page_state(NR_UNSTABLE_NFS)),
|
||||
K(global_page_state(NR_BOUNCE)),
|
||||
K(global_page_state(NR_WRITEBACK_TEMP)),
|
||||
K(allowed),
|
||||
K(committed),
|
||||
(unsigned long)VMALLOC_TOTAL >> 10,
|
||||
vmi.used >> 10,
|
||||
vmi.largest_chunk >> 10
|
||||
);
|
||||
|
||||
len += hugetlb_report_meminfo(page + len);
|
||||
|
||||
len += arch_report_meminfo(page + len);
|
||||
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
#undef K
|
||||
}
|
||||
|
||||
static int fragmentation_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
(void)inode;
|
||||
return seq_open(file, &fragmentation_op);
|
||||
}
|
||||
|
||||
static const struct file_operations fragmentation_file_operations = {
|
||||
.open = fragmentation_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int pagetypeinfo_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &pagetypeinfo_op);
|
||||
}
|
||||
|
||||
static const struct file_operations pagetypeinfo_file_ops = {
|
||||
.open = pagetypeinfo_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int zoneinfo_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &zoneinfo_op);
|
||||
}
|
||||
|
||||
static const struct file_operations proc_zoneinfo_file_operations = {
|
||||
.open = zoneinfo_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int version_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int len;
|
||||
|
||||
len = snprintf(page, PAGE_SIZE, linux_proc_banner,
|
||||
utsname()->sysname,
|
||||
utsname()->release,
|
||||
utsname()->version);
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
}
|
||||
|
||||
extern const struct seq_operations cpuinfo_op;
|
||||
static int cpuinfo_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &cpuinfo_op);
|
||||
}
|
||||
|
||||
static const struct file_operations proc_cpuinfo_operations = {
|
||||
.open = cpuinfo_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int devinfo_show(struct seq_file *f, void *v)
|
||||
{
|
||||
int i = *(loff_t *) v;
|
||||
|
||||
if (i < CHRDEV_MAJOR_HASH_SIZE) {
|
||||
if (i == 0)
|
||||
seq_printf(f, "Character devices:\n");
|
||||
chrdev_show(f, i);
|
||||
}
|
||||
#ifdef CONFIG_BLOCK
|
||||
else {
|
||||
i -= CHRDEV_MAJOR_HASH_SIZE;
|
||||
if (i == 0)
|
||||
seq_printf(f, "\nBlock devices:\n");
|
||||
blkdev_show(f, i);
|
||||
}
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void *devinfo_start(struct seq_file *f, loff_t *pos)
|
||||
{
|
||||
if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
|
||||
return pos;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
|
||||
{
|
||||
(*pos)++;
|
||||
if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
|
||||
return NULL;
|
||||
return pos;
|
||||
}
|
||||
|
||||
static void devinfo_stop(struct seq_file *f, void *v)
|
||||
{
|
||||
/* Nothing to do */
|
||||
}
|
||||
|
||||
static const struct seq_operations devinfo_ops = {
|
||||
.start = devinfo_start,
|
||||
.next = devinfo_next,
|
||||
.stop = devinfo_stop,
|
||||
.show = devinfo_show
|
||||
};
|
||||
|
||||
static int devinfo_open(struct inode *inode, struct file *filp)
|
||||
{
|
||||
return seq_open(filp, &devinfo_ops);
|
||||
}
|
||||
|
||||
static const struct file_operations proc_devinfo_operations = {
|
||||
.open = devinfo_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int vmstat_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &vmstat_op);
|
||||
}
|
||||
static const struct file_operations proc_vmstat_file_operations = {
|
||||
.open = vmstat_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_PROC_HARDWARE
|
||||
static int hardware_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int len = get_hardware_list(page);
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_STRAM_PROC
|
||||
static int stram_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int len = get_stram_list(page);
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_BLOCK
|
||||
static int partitions_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &partitions_op);
|
||||
}
|
||||
static const struct file_operations proc_partitions_operations = {
|
||||
.open = partitions_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int diskstats_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &diskstats_op);
|
||||
}
|
||||
static const struct file_operations proc_diskstats_operations = {
|
||||
.open = diskstats_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_MODULES
|
||||
extern const struct seq_operations modules_op;
|
||||
static int modules_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &modules_op);
|
||||
}
|
||||
static const struct file_operations proc_modules_operations = {
|
||||
.open = modules_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_SLABINFO
|
||||
static int slabinfo_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return seq_open(file, &slabinfo_op);
|
||||
}
|
||||
static const struct file_operations proc_slabinfo_operations = {
|
||||
.open = slabinfo_open,
|
||||
.read = seq_read,
|
||||
.write = slabinfo_write,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
#ifdef CONFIG_DEBUG_SLAB_LEAK
|
||||
extern const struct seq_operations slabstats_op;
|
||||
static int slabstats_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL);
|
||||
int ret = -ENOMEM;
|
||||
if (n) {
|
||||
ret = seq_open(file, &slabstats_op);
|
||||
if (!ret) {
|
||||
struct seq_file *m = file->private_data;
|
||||
*n = PAGE_SIZE / (2 * sizeof(unsigned long));
|
||||
m->private = n;
|
||||
n = NULL;
|
||||
}
|
||||
kfree(n);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct file_operations proc_slabstats_operations = {
|
||||
.open = slabstats_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release_private,
|
||||
};
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_MMU
|
||||
static int vmalloc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
unsigned int *ptr = NULL;
|
||||
int ret;
|
||||
|
||||
if (NUMA_BUILD)
|
||||
ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
|
||||
ret = seq_open(file, &vmalloc_op);
|
||||
if (!ret) {
|
||||
struct seq_file *m = file->private_data;
|
||||
m->private = ptr;
|
||||
} else
|
||||
kfree(ptr);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const struct file_operations proc_vmalloc_operations = {
|
||||
.open = vmalloc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release_private,
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifndef arch_irq_stat_cpu
|
||||
#define arch_irq_stat_cpu(cpu) 0
|
||||
#endif
|
||||
#ifndef arch_irq_stat
|
||||
#define arch_irq_stat() 0
|
||||
#endif
|
||||
|
||||
static int show_stat(struct seq_file *p, void *v)
|
||||
{
|
||||
int i, j;
|
||||
unsigned long jif;
|
||||
cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
|
||||
cputime64_t guest;
|
||||
u64 sum = 0;
|
||||
struct timespec boottime;
|
||||
unsigned int per_irq_sum;
|
||||
|
||||
user = nice = system = idle = iowait =
|
||||
irq = softirq = steal = cputime64_zero;
|
||||
guest = cputime64_zero;
|
||||
getboottime(&boottime);
|
||||
jif = boottime.tv_sec;
|
||||
|
||||
for_each_possible_cpu(i) {
|
||||
user = cputime64_add(user, kstat_cpu(i).cpustat.user);
|
||||
nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
|
||||
system = cputime64_add(system, kstat_cpu(i).cpustat.system);
|
||||
idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
|
||||
iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
|
||||
irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
|
||||
softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
|
||||
steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
|
||||
guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
|
||||
|
||||
for_each_irq_nr(j)
|
||||
sum += kstat_irqs_cpu(j, i);
|
||||
|
||||
sum += arch_irq_stat_cpu(i);
|
||||
}
|
||||
sum += arch_irq_stat();
|
||||
|
||||
seq_printf(p, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
|
||||
(unsigned long long)cputime64_to_clock_t(user),
|
||||
(unsigned long long)cputime64_to_clock_t(nice),
|
||||
(unsigned long long)cputime64_to_clock_t(system),
|
||||
(unsigned long long)cputime64_to_clock_t(idle),
|
||||
(unsigned long long)cputime64_to_clock_t(iowait),
|
||||
(unsigned long long)cputime64_to_clock_t(irq),
|
||||
(unsigned long long)cputime64_to_clock_t(softirq),
|
||||
(unsigned long long)cputime64_to_clock_t(steal),
|
||||
(unsigned long long)cputime64_to_clock_t(guest));
|
||||
for_each_online_cpu(i) {
|
||||
|
||||
/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
|
||||
user = kstat_cpu(i).cpustat.user;
|
||||
nice = kstat_cpu(i).cpustat.nice;
|
||||
system = kstat_cpu(i).cpustat.system;
|
||||
idle = kstat_cpu(i).cpustat.idle;
|
||||
iowait = kstat_cpu(i).cpustat.iowait;
|
||||
irq = kstat_cpu(i).cpustat.irq;
|
||||
softirq = kstat_cpu(i).cpustat.softirq;
|
||||
steal = kstat_cpu(i).cpustat.steal;
|
||||
guest = kstat_cpu(i).cpustat.guest;
|
||||
seq_printf(p,
|
||||
"cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
|
||||
i,
|
||||
(unsigned long long)cputime64_to_clock_t(user),
|
||||
(unsigned long long)cputime64_to_clock_t(nice),
|
||||
(unsigned long long)cputime64_to_clock_t(system),
|
||||
(unsigned long long)cputime64_to_clock_t(idle),
|
||||
(unsigned long long)cputime64_to_clock_t(iowait),
|
||||
(unsigned long long)cputime64_to_clock_t(irq),
|
||||
(unsigned long long)cputime64_to_clock_t(softirq),
|
||||
(unsigned long long)cputime64_to_clock_t(steal),
|
||||
(unsigned long long)cputime64_to_clock_t(guest));
|
||||
}
|
||||
seq_printf(p, "intr %llu", (unsigned long long)sum);
|
||||
|
||||
/* sum again ? it could be updated? */
|
||||
for_each_irq_nr(j) {
|
||||
per_irq_sum = 0;
|
||||
|
||||
for_each_possible_cpu(i)
|
||||
per_irq_sum += kstat_irqs_cpu(j, i);
|
||||
|
||||
seq_printf(p, " %u", per_irq_sum);
|
||||
}
|
||||
|
||||
seq_printf(p,
|
||||
"\nctxt %llu\n"
|
||||
"btime %lu\n"
|
||||
"processes %lu\n"
|
||||
"procs_running %lu\n"
|
||||
"procs_blocked %lu\n",
|
||||
nr_context_switches(),
|
||||
(unsigned long)jif,
|
||||
total_forks,
|
||||
nr_running(),
|
||||
nr_iowait());
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int stat_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
unsigned size = 4096 * (1 + num_possible_cpus() / 32);
|
||||
char *buf;
|
||||
struct seq_file *m;
|
||||
int res;
|
||||
|
||||
/* don't ask for more than the kmalloc() max size, currently 128 KB */
|
||||
if (size > 128 * 1024)
|
||||
size = 128 * 1024;
|
||||
buf = kmalloc(size, GFP_KERNEL);
|
||||
if (!buf)
|
||||
return -ENOMEM;
|
||||
|
||||
res = single_open(file, show_stat, NULL);
|
||||
if (!res) {
|
||||
m = file->private_data;
|
||||
m->buf = buf;
|
||||
m->size = size;
|
||||
} else
|
||||
kfree(buf);
|
||||
return res;
|
||||
}
|
||||
static const struct file_operations proc_stat_operations = {
|
||||
.open = stat_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
/*
|
||||
* /proc/interrupts
|
||||
*/
|
||||
static void *int_seq_start(struct seq_file *f, loff_t *pos)
|
||||
{
|
||||
return (*pos <= nr_irqs) ? pos : NULL;
|
||||
}
|
||||
|
||||
|
||||
static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
|
||||
{
|
||||
(*pos)++;
|
||||
return (*pos <= nr_irqs) ? pos : NULL;
|
||||
}
|
||||
|
||||
static void int_seq_stop(struct seq_file *f, void *v)
|
||||
{
|
||||
/* Nothing to do */
|
||||
}
|
||||
|
||||
static const struct seq_operations int_seq_ops = {
|
||||
.start = int_seq_start,
|
||||
.next = int_seq_next,
|
||||
.stop = int_seq_stop,
|
||||
.show = show_interrupts
|
||||
};
|
||||
|
||||
static int interrupts_open(struct inode *inode, struct file *filp)
|
||||
{
|
||||
return seq_open(filp, &int_seq_ops);
|
||||
}
|
||||
|
||||
static const struct file_operations proc_interrupts_operations = {
|
||||
.open = interrupts_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
|
||||
static int filesystems_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int len = get_filesystem_list(page);
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
}
|
||||
|
||||
static int cmdline_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int len;
|
||||
|
||||
len = sprintf(page, "%s\n", saved_command_line);
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_FILE_LOCKING
|
||||
static int locks_open(struct inode *inode, struct file *filp)
|
||||
{
|
||||
return seq_open(filp, &locks_seq_operations);
|
||||
}
|
||||
|
||||
static const struct file_operations proc_locks_operations = {
|
||||
.open = locks_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = seq_release,
|
||||
};
|
||||
#endif /* CONFIG_FILE_LOCKING */
|
||||
|
||||
static int execdomains_read_proc(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
{
|
||||
int len = get_exec_domain_list(page);
|
||||
return proc_calc_metrics(page, start, off, count, eof, len);
|
||||
}
|
||||
|
||||
#ifdef CONFIG_PROC_PAGE_MONITOR
|
||||
#define KPMSIZE sizeof(u64)
|
||||
#define KPMMASK (KPMSIZE - 1)
|
||||
/* /proc/kpagecount - an array exposing page counts
|
||||
*
|
||||
* Each entry is a u64 representing the corresponding
|
||||
* physical page count.
|
||||
*/
|
||||
static ssize_t kpagecount_read(struct file *file, char __user *buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
u64 __user *out = (u64 __user *)buf;
|
||||
struct page *ppage;
|
||||
unsigned long src = *ppos;
|
||||
unsigned long pfn;
|
||||
ssize_t ret = 0;
|
||||
u64 pcount;
|
||||
|
||||
pfn = src / KPMSIZE;
|
||||
count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
|
||||
if (src & KPMMASK || count & KPMMASK)
|
||||
return -EINVAL;
|
||||
|
||||
while (count > 0) {
|
||||
ppage = NULL;
|
||||
if (pfn_valid(pfn))
|
||||
ppage = pfn_to_page(pfn);
|
||||
pfn++;
|
||||
if (!ppage)
|
||||
pcount = 0;
|
||||
else
|
||||
pcount = page_mapcount(ppage);
|
||||
|
||||
if (put_user(pcount, out++)) {
|
||||
ret = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
count -= KPMSIZE;
|
||||
}
|
||||
|
||||
*ppos += (char __user *)out - buf;
|
||||
if (!ret)
|
||||
ret = (char __user *)out - buf;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static struct file_operations proc_kpagecount_operations = {
|
||||
.llseek = mem_lseek,
|
||||
.read = kpagecount_read,
|
||||
};
|
||||
|
||||
/* /proc/kpageflags - an array exposing page flags
|
||||
*
|
||||
* Each entry is a u64 representing the corresponding
|
||||
* physical page flags.
|
||||
*/
|
||||
|
||||
/* These macros are used to decouple internal flags from exported ones */
|
||||
|
||||
#define KPF_LOCKED 0
|
||||
#define KPF_ERROR 1
|
||||
#define KPF_REFERENCED 2
|
||||
#define KPF_UPTODATE 3
|
||||
#define KPF_DIRTY 4
|
||||
#define KPF_LRU 5
|
||||
#define KPF_ACTIVE 6
|
||||
#define KPF_SLAB 7
|
||||
#define KPF_WRITEBACK 8
|
||||
#define KPF_RECLAIM 9
|
||||
#define KPF_BUDDY 10
|
||||
|
||||
#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
|
||||
|
||||
static ssize_t kpageflags_read(struct file *file, char __user *buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
u64 __user *out = (u64 __user *)buf;
|
||||
struct page *ppage;
|
||||
unsigned long src = *ppos;
|
||||
unsigned long pfn;
|
||||
ssize_t ret = 0;
|
||||
u64 kflags, uflags;
|
||||
|
||||
pfn = src / KPMSIZE;
|
||||
count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
|
||||
if (src & KPMMASK || count & KPMMASK)
|
||||
return -EINVAL;
|
||||
|
||||
while (count > 0) {
|
||||
ppage = NULL;
|
||||
if (pfn_valid(pfn))
|
||||
ppage = pfn_to_page(pfn);
|
||||
pfn++;
|
||||
if (!ppage)
|
||||
kflags = 0;
|
||||
else
|
||||
kflags = ppage->flags;
|
||||
|
||||
uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
|
||||
kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
|
||||
kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
|
||||
kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |
|
||||
kpf_copy_bit(kflags, KPF_DIRTY, PG_dirty) |
|
||||
kpf_copy_bit(kflags, KPF_LRU, PG_lru) |
|
||||
kpf_copy_bit(kflags, KPF_ACTIVE, PG_active) |
|
||||
kpf_copy_bit(kflags, KPF_SLAB, PG_slab) |
|
||||
kpf_copy_bit(kflags, KPF_WRITEBACK, PG_writeback) |
|
||||
kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
|
||||
kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
|
||||
|
||||
if (put_user(uflags, out++)) {
|
||||
ret = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
count -= KPMSIZE;
|
||||
}
|
||||
|
||||
*ppos += (char __user *)out - buf;
|
||||
if (!ret)
|
||||
ret = (char __user *)out - buf;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static struct file_operations proc_kpageflags_operations = {
|
||||
.llseek = mem_lseek,
|
||||
.read = kpageflags_read,
|
||||
};
|
||||
#endif /* CONFIG_PROC_PAGE_MONITOR */
|
||||
|
||||
struct proc_dir_entry *proc_root_kcore;
|
||||
|
||||
void __init proc_misc_init(void)
|
||||
{
|
||||
static struct {
|
||||
char *name;
|
||||
int (*read_proc)(char*,char**,off_t,int,int*,void*);
|
||||
} *p, simple_ones[] = {
|
||||
{"loadavg", loadavg_read_proc},
|
||||
{"uptime", uptime_read_proc},
|
||||
{"meminfo", meminfo_read_proc},
|
||||
{"version", version_read_proc},
|
||||
#ifdef CONFIG_PROC_HARDWARE
|
||||
{"hardware", hardware_read_proc},
|
||||
#endif
|
||||
#ifdef CONFIG_STRAM_PROC
|
||||
{"stram", stram_read_proc},
|
||||
#endif
|
||||
{"filesystems", filesystems_read_proc},
|
||||
{"cmdline", cmdline_read_proc},
|
||||
{"execdomains", execdomains_read_proc},
|
||||
{NULL,}
|
||||
};
|
||||
for (p = simple_ones; p->name; p++)
|
||||
create_proc_read_entry(p->name, 0, NULL, p->read_proc, NULL);
|
||||
|
||||
proc_symlink("mounts", NULL, "self/mounts");
|
||||
|
||||
/* And now for trickier ones */
|
||||
#ifdef CONFIG_PRINTK
|
||||
proc_create("kmsg", S_IRUSR, NULL, &proc_kmsg_operations);
|
||||
#endif
|
||||
#ifdef CONFIG_FILE_LOCKING
|
||||
proc_create("locks", 0, NULL, &proc_locks_operations);
|
||||
#endif
|
||||
proc_create("devices", 0, NULL, &proc_devinfo_operations);
|
||||
proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
|
||||
#ifdef CONFIG_BLOCK
|
||||
proc_create("partitions", 0, NULL, &proc_partitions_operations);
|
||||
#endif
|
||||
proc_create("stat", 0, NULL, &proc_stat_operations);
|
||||
proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
|
||||
#ifdef CONFIG_SLABINFO
|
||||
proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
|
||||
#ifdef CONFIG_DEBUG_SLAB_LEAK
|
||||
proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
|
||||
#endif
|
||||
#endif
|
||||
#ifdef CONFIG_MMU
|
||||
proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
|
||||
#endif
|
||||
proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
|
||||
proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
|
||||
proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
|
||||
proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
|
||||
#ifdef CONFIG_BLOCK
|
||||
proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
|
||||
#endif
|
||||
#ifdef CONFIG_MODULES
|
||||
proc_create("modules", 0, NULL, &proc_modules_operations);
|
||||
#endif
|
||||
#ifdef CONFIG_SCHEDSTATS
|
||||
proc_create("schedstat", 0, NULL, &proc_schedstat_operations);
|
||||
#endif
|
||||
#ifdef CONFIG_PROC_KCORE
|
||||
proc_root_kcore = proc_create("kcore", S_IRUSR, NULL, &proc_kcore_operations);
|
||||
if (proc_root_kcore)
|
||||
proc_root_kcore->size =
|
||||
(size_t)high_memory - PAGE_OFFSET + PAGE_SIZE;
|
||||
#endif
|
||||
#ifdef CONFIG_PROC_PAGE_MONITOR
|
||||
proc_create("kpagecount", S_IRUSR, NULL, &proc_kpagecount_operations);
|
||||
proc_create("kpageflags", S_IRUSR, NULL, &proc_kpageflags_operations);
|
||||
#endif
|
||||
#ifdef CONFIG_PROC_VMCORE
|
||||
proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
|
||||
#endif
|
||||
}
|
||||
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* /proc/sys support
|
||||
*/
|
||||
|
||||
#include <linux/init.h>
|
||||
#include <linux/sysctl.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/security.h>
|
||||
|
|
@ -402,7 +402,7 @@ static struct dentry_operations proc_sys_dentry_operations = {
|
|||
.d_compare = proc_sys_compare,
|
||||
};
|
||||
|
||||
int proc_sys_init(void)
|
||||
int __init proc_sys_init(void)
|
||||
{
|
||||
struct proc_dir_entry *proc_sys_root;
|
||||
|
||||
|
|
|
|||
|
|
@ -104,9 +104,9 @@ static struct file_system_type proc_fs_type = {
|
|||
|
||||
void __init proc_root_init(void)
|
||||
{
|
||||
int err = proc_init_inodecache();
|
||||
if (err)
|
||||
return;
|
||||
int err;
|
||||
|
||||
proc_init_inodecache();
|
||||
err = register_filesystem(&proc_fs_type);
|
||||
if (err)
|
||||
return;
|
||||
|
|
@ -117,7 +117,7 @@ void __init proc_root_init(void)
|
|||
return;
|
||||
}
|
||||
|
||||
proc_misc_init();
|
||||
proc_symlink("mounts", NULL, "self/mounts");
|
||||
|
||||
proc_net_init();
|
||||
|
||||
|
|
|
|||
153
fs/proc/stat.c
Normal file
153
fs/proc/stat.c
Normal file
|
|
@ -0,0 +1,153 @@
|
|||
#include <linux/cpumask.h>
|
||||
#include <linux/fs.h>
|
||||
#include <linux/gfp.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/kernel_stat.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/sched.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/time.h>
|
||||
#include <asm/cputime.h>
|
||||
|
||||
#ifndef arch_irq_stat_cpu
|
||||
#define arch_irq_stat_cpu(cpu) 0
|
||||
#endif
|
||||
#ifndef arch_irq_stat
|
||||
#define arch_irq_stat() 0
|
||||
#endif
|
||||
|
||||
static int show_stat(struct seq_file *p, void *v)
|
||||
{
|
||||
int i, j;
|
||||
unsigned long jif;
|
||||
cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
|
||||
cputime64_t guest;
|
||||
u64 sum = 0;
|
||||
struct timespec boottime;
|
||||
unsigned int per_irq_sum;
|
||||
|
||||
user = nice = system = idle = iowait =
|
||||
irq = softirq = steal = cputime64_zero;
|
||||
guest = cputime64_zero;
|
||||
getboottime(&boottime);
|
||||
jif = boottime.tv_sec;
|
||||
|
||||
for_each_possible_cpu(i) {
|
||||
user = cputime64_add(user, kstat_cpu(i).cpustat.user);
|
||||
nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
|
||||
system = cputime64_add(system, kstat_cpu(i).cpustat.system);
|
||||
idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
|
||||
iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
|
||||
irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
|
||||
softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
|
||||
steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
|
||||
guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
|
||||
|
||||
for_each_irq_nr(j)
|
||||
sum += kstat_irqs_cpu(j, i);
|
||||
|
||||
sum += arch_irq_stat_cpu(i);
|
||||
}
|
||||
sum += arch_irq_stat();
|
||||
|
||||
seq_printf(p, "cpu %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
|
||||
(unsigned long long)cputime64_to_clock_t(user),
|
||||
(unsigned long long)cputime64_to_clock_t(nice),
|
||||
(unsigned long long)cputime64_to_clock_t(system),
|
||||
(unsigned long long)cputime64_to_clock_t(idle),
|
||||
(unsigned long long)cputime64_to_clock_t(iowait),
|
||||
(unsigned long long)cputime64_to_clock_t(irq),
|
||||
(unsigned long long)cputime64_to_clock_t(softirq),
|
||||
(unsigned long long)cputime64_to_clock_t(steal),
|
||||
(unsigned long long)cputime64_to_clock_t(guest));
|
||||
for_each_online_cpu(i) {
|
||||
|
||||
/* Copy values here to work around gcc-2.95.3, gcc-2.96 */
|
||||
user = kstat_cpu(i).cpustat.user;
|
||||
nice = kstat_cpu(i).cpustat.nice;
|
||||
system = kstat_cpu(i).cpustat.system;
|
||||
idle = kstat_cpu(i).cpustat.idle;
|
||||
iowait = kstat_cpu(i).cpustat.iowait;
|
||||
irq = kstat_cpu(i).cpustat.irq;
|
||||
softirq = kstat_cpu(i).cpustat.softirq;
|
||||
steal = kstat_cpu(i).cpustat.steal;
|
||||
guest = kstat_cpu(i).cpustat.guest;
|
||||
seq_printf(p,
|
||||
"cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
|
||||
i,
|
||||
(unsigned long long)cputime64_to_clock_t(user),
|
||||
(unsigned long long)cputime64_to_clock_t(nice),
|
||||
(unsigned long long)cputime64_to_clock_t(system),
|
||||
(unsigned long long)cputime64_to_clock_t(idle),
|
||||
(unsigned long long)cputime64_to_clock_t(iowait),
|
||||
(unsigned long long)cputime64_to_clock_t(irq),
|
||||
(unsigned long long)cputime64_to_clock_t(softirq),
|
||||
(unsigned long long)cputime64_to_clock_t(steal),
|
||||
(unsigned long long)cputime64_to_clock_t(guest));
|
||||
}
|
||||
seq_printf(p, "intr %llu", (unsigned long long)sum);
|
||||
|
||||
/* sum again ? it could be updated? */
|
||||
for_each_irq_nr(j) {
|
||||
per_irq_sum = 0;
|
||||
|
||||
for_each_possible_cpu(i)
|
||||
per_irq_sum += kstat_irqs_cpu(j, i);
|
||||
|
||||
seq_printf(p, " %u", per_irq_sum);
|
||||
}
|
||||
|
||||
seq_printf(p,
|
||||
"\nctxt %llu\n"
|
||||
"btime %lu\n"
|
||||
"processes %lu\n"
|
||||
"procs_running %lu\n"
|
||||
"procs_blocked %lu\n",
|
||||
nr_context_switches(),
|
||||
(unsigned long)jif,
|
||||
total_forks,
|
||||
nr_running(),
|
||||
nr_iowait());
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int stat_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
unsigned size = 4096 * (1 + num_possible_cpus() / 32);
|
||||
char *buf;
|
||||
struct seq_file *m;
|
||||
int res;
|
||||
|
||||
/* don't ask for more than the kmalloc() max size, currently 128 KB */
|
||||
if (size > 128 * 1024)
|
||||
size = 128 * 1024;
|
||||
buf = kmalloc(size, GFP_KERNEL);
|
||||
if (!buf)
|
||||
return -ENOMEM;
|
||||
|
||||
res = single_open(file, show_stat, NULL);
|
||||
if (!res) {
|
||||
m = file->private_data;
|
||||
m->buf = buf;
|
||||
m->size = size;
|
||||
} else
|
||||
kfree(buf);
|
||||
return res;
|
||||
}
|
||||
|
||||
static const struct file_operations proc_stat_operations = {
|
||||
.open = stat_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int __init proc_stat_init(void)
|
||||
{
|
||||
proc_create("stat", 0, NULL, &proc_stat_operations);
|
||||
return 0;
|
||||
}
|
||||
module_init(proc_stat_init);
|
||||
|
|
@ -198,11 +198,8 @@ static int do_maps_open(struct inode *inode, struct file *file,
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int show_map(struct seq_file *m, void *v)
|
||||
static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
|
||||
{
|
||||
struct proc_maps_private *priv = m->private;
|
||||
struct task_struct *task = priv->task;
|
||||
struct vm_area_struct *vma = v;
|
||||
struct mm_struct *mm = vma->vm_mm;
|
||||
struct file *file = vma->vm_file;
|
||||
int flags = vma->vm_flags;
|
||||
|
|
@ -254,6 +251,15 @@ static int show_map(struct seq_file *m, void *v)
|
|||
}
|
||||
}
|
||||
seq_putc(m, '\n');
|
||||
}
|
||||
|
||||
static int show_map(struct seq_file *m, void *v)
|
||||
{
|
||||
struct vm_area_struct *vma = v;
|
||||
struct proc_maps_private *priv = m->private;
|
||||
struct task_struct *task = priv->task;
|
||||
|
||||
show_map_vma(m, vma);
|
||||
|
||||
if (m->count < m->size) /* vma is copied successfully */
|
||||
m->version = (vma != get_gate_vma(task))? vma->vm_start: 0;
|
||||
|
|
@ -364,9 +370,10 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
|
|||
|
||||
static int show_smap(struct seq_file *m, void *v)
|
||||
{
|
||||
struct proc_maps_private *priv = m->private;
|
||||
struct task_struct *task = priv->task;
|
||||
struct vm_area_struct *vma = v;
|
||||
struct mem_size_stats mss;
|
||||
int ret;
|
||||
struct mm_walk smaps_walk = {
|
||||
.pmd_entry = smaps_pte_range,
|
||||
.mm = vma->vm_mm,
|
||||
|
|
@ -378,9 +385,7 @@ static int show_smap(struct seq_file *m, void *v)
|
|||
if (vma->vm_mm && !is_vm_hugetlb_page(vma))
|
||||
walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk);
|
||||
|
||||
ret = show_map(m, v);
|
||||
if (ret)
|
||||
return ret;
|
||||
show_map_vma(m, vma);
|
||||
|
||||
seq_printf(m,
|
||||
"Size: %8lu kB\n"
|
||||
|
|
@ -402,7 +407,9 @@ static int show_smap(struct seq_file *m, void *v)
|
|||
mss.referenced >> 10,
|
||||
mss.swap >> 10);
|
||||
|
||||
return ret;
|
||||
if (m->count < m->size) /* vma is copied successfully */
|
||||
m->version = (vma != get_gate_vma(task)) ? vma->vm_start : 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct seq_operations proc_pid_smaps_op = {
|
||||
|
|
|
|||
43
fs/proc/uptime.c
Normal file
43
fs/proc/uptime.c
Normal file
|
|
@ -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);
|
||||
34
fs/proc/version.c
Normal file
34
fs/proc/version.c
Normal file
|
|
@ -0,0 +1,34 @@
|
|||
#include <linux/fs.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/utsname.h>
|
||||
|
||||
static int version_proc_show(struct seq_file *m, void *v)
|
||||
{
|
||||
seq_printf(m, linux_proc_banner,
|
||||
utsname()->sysname,
|
||||
utsname()->release,
|
||||
utsname()->version);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int version_proc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, version_proc_show, NULL);
|
||||
}
|
||||
|
||||
static const struct file_operations version_proc_fops = {
|
||||
.open = version_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int __init proc_version_init(void)
|
||||
{
|
||||
proc_create("version", 0, NULL, &version_proc_fops);
|
||||
return 0;
|
||||
}
|
||||
module_init(proc_version_init);
|
||||
|
|
@ -32,7 +32,7 @@ static size_t elfcorebuf_sz;
|
|||
/* Total size of vmcore file. */
|
||||
static u64 vmcore_size;
|
||||
|
||||
struct proc_dir_entry *proc_vmcore = NULL;
|
||||
static struct proc_dir_entry *proc_vmcore = NULL;
|
||||
|
||||
/* Reads a page from the oldmem device from given offset. */
|
||||
static ssize_t read_from_oldmem(char *buf, size_t count,
|
||||
|
|
@ -162,7 +162,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
|
|||
return acc;
|
||||
}
|
||||
|
||||
const struct file_operations proc_vmcore_operations = {
|
||||
static const struct file_operations proc_vmcore_operations = {
|
||||
.read = read_vmcore,
|
||||
};
|
||||
|
||||
|
|
@ -652,7 +652,7 @@ static int __init vmcore_init(void)
|
|||
return rc;
|
||||
}
|
||||
|
||||
/* Initialize /proc/vmcore size if proc is already up. */
|
||||
proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
|
||||
if (proc_vmcore)
|
||||
proc_vmcore->size = vmcore_size;
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in a new issue