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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/proc/stat.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/proc/stat.c')
-rw-r--r--ANDROID_3.4.5/fs/proc/stat.c218
1 files changed, 0 insertions, 218 deletions
diff --git a/ANDROID_3.4.5/fs/proc/stat.c b/ANDROID_3.4.5/fs/proc/stat.c
deleted file mode 100644
index 64c3b317..00000000
--- a/ANDROID_3.4.5/fs/proc/stat.c
+++ /dev/null
@@ -1,218 +0,0 @@
-#include <linux/cpumask.h>
-#include <linux/fs.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 <linux/irqnr.h>
-#include <asm/cputime.h>
-#include <linux/tick.h>
-
-#ifndef arch_irq_stat_cpu
-#define arch_irq_stat_cpu(cpu) 0
-#endif
-#ifndef arch_irq_stat
-#define arch_irq_stat() 0
-#endif
-
-#ifdef arch_idle_time
-
-static cputime64_t get_idle_time(int cpu)
-{
- cputime64_t idle;
-
- idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
- if (cpu_online(cpu) && !nr_iowait_cpu(cpu))
- idle += arch_idle_time(cpu);
- return idle;
-}
-
-static cputime64_t get_iowait_time(int cpu)
-{
- cputime64_t iowait;
-
- iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
- if (cpu_online(cpu) && nr_iowait_cpu(cpu))
- iowait += arch_idle_time(cpu);
- return iowait;
-}
-
-#else
-
-static u64 get_idle_time(int cpu)
-{
- u64 idle, idle_time = get_cpu_idle_time_us(cpu, NULL);
-
- if (idle_time == -1ULL)
- /* !NO_HZ so we can rely on cpustat.idle */
- idle = kcpustat_cpu(cpu).cpustat[CPUTIME_IDLE];
- else
- idle = usecs_to_cputime64(idle_time);
-
- return idle;
-}
-
-static u64 get_iowait_time(int cpu)
-{
- u64 iowait, iowait_time = get_cpu_iowait_time_us(cpu, NULL);
-
- if (iowait_time == -1ULL)
- /* !NO_HZ so we can rely on cpustat.iowait */
- iowait = kcpustat_cpu(cpu).cpustat[CPUTIME_IOWAIT];
- else
- iowait = usecs_to_cputime64(iowait_time);
-
- return iowait;
-}
-
-#endif
-
-static int show_stat(struct seq_file *p, void *v)
-{
- int i, j;
- unsigned long jif;
- u64 user, nice, system, idle, iowait, irq, softirq, steal;
- u64 guest, guest_nice;
- u64 sum = 0;
- u64 sum_softirq = 0;
- unsigned int per_softirq_sums[NR_SOFTIRQS] = {0};
- struct timespec boottime;
-
- user = nice = system = idle = iowait =
- irq = softirq = steal = 0;
- guest = guest_nice = 0;
- getboottime(&boottime);
- jif = boottime.tv_sec;
-
- for_each_possible_cpu(i) {
- user += kcpustat_cpu(i).cpustat[CPUTIME_USER];
- nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE];
- system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
- idle += get_idle_time(i);
- iowait += get_iowait_time(i);
- irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
- softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
- steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
- guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
- guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
- sum += kstat_cpu_irqs_sum(i);
- sum += arch_irq_stat_cpu(i);
-
- for (j = 0; j < NR_SOFTIRQS; j++) {
- unsigned int softirq_stat = kstat_softirqs_cpu(j, i);
-
- per_softirq_sums[j] += softirq_stat;
- sum_softirq += softirq_stat;
- }
- }
- sum += arch_irq_stat();
-
- seq_puts(p, "cpu ");
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(system));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(idle));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(iowait));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(irq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(softirq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(steal));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest_nice));
- seq_putc(p, '\n');
-
- for_each_online_cpu(i) {
- /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
- user = kcpustat_cpu(i).cpustat[CPUTIME_USER];
- nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE];
- system = kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM];
- idle = get_idle_time(i);
- iowait = get_iowait_time(i);
- irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ];
- softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ];
- steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL];
- guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST];
- guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE];
- seq_printf(p, "cpu%d", i);
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(system));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(idle));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(iowait));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(irq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(softirq));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(steal));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest));
- seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(guest_nice));
- seq_putc(p, '\n');
- }
- seq_printf(p, "intr %llu", (unsigned long long)sum);
-
- /* sum again ? it could be updated? */
- for_each_irq_nr(j)
- seq_put_decimal_ull(p, ' ', kstat_irqs(j));
-
- 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());
-
- seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq);
-
- for (i = 0; i < NR_SOFTIRQS; i++)
- seq_put_decimal_ull(p, ' ', per_softirq_sums[i]);
- seq_putc(p, '\n');
-
- return 0;
-}
-
-static int stat_open(struct inode *inode, struct file *file)
-{
- unsigned size = 1024 + 128 * num_possible_cpus();
- char *buf;
- struct seq_file *m;
- int res;
-
- /* minimum size to display an interrupt count : 2 bytes */
- size += 2 * nr_irqs;
-
- /* don't ask for more than the kmalloc() max size */
- if (size > KMALLOC_MAX_SIZE)
- size = KMALLOC_MAX_SIZE;
- 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 = ksize(buf);
- } 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);