#include <linux/blkdev.h>
#include <linux/hugetlb.h>
#include <linux/jiffies.h>
-#include <linux/sysrq.h>
#include <linux/vmalloc.h>
#include <linux/crash_dump.h>
#include <linux/pid_namespace.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,
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;
-
-/*
- * 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);
-
- /*
- * 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"
-#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(global_page_state(NR_ACTIVE)),
- K(global_page_state(NR_INACTIVE)),
-#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;
.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)
{
.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)
{
u64 sum = 0;
struct timespec boottime;
unsigned int per_irq_sum;
-#ifdef CONFIG_GENERIC_HARDIRQS
- struct irq_desc *desc;
-#endif
user = nice = system = idle = iowait =
irq = softirq = steal = cputime64_zero;
steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
- for_each_irq_desc(j, desc)
+ for_each_irq_nr(j)
sum += kstat_irqs_cpu(j, i);
sum += arch_irq_stat_cpu(i);
seq_printf(p, "intr %llu", (unsigned long long)sum);
/* sum again ? it could be updated? */
- for_each_irq_desc(j, desc) {
+ for_each_irq_nr(j) {
per_irq_sum = 0;
for_each_possible_cpu(i)
.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 proc_calc_metrics(page, start, off, count, eof, len);
}
-#ifdef CONFIG_MAGIC_SYSRQ
-/*
- * writing 'C' to /proc/sysrq-trigger is like sysrq-C
- */
-static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos)
-{
- if (count) {
- char c;
-
- if (get_user(c, buf))
- return -EFAULT;
- __handle_sysrq(c, NULL, 0);
- }
- return count;
-}
-
-static const struct file_operations proc_sysrq_trigger_operations = {
- .write = write_sysrq_trigger,
-};
-#endif
-
#ifdef CONFIG_PROC_PAGE_MONITOR
#define KPMSIZE sizeof(u64)
#define KPMMASK (KPMSIZE - 1)
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,}
};
#ifdef CONFIG_PROC_VMCORE
proc_vmcore = proc_create("vmcore", S_IRUSR, NULL, &proc_vmcore_operations);
#endif
-#ifdef CONFIG_MAGIC_SYSRQ
- proc_create("sysrq-trigger", S_IWUSR, NULL, &proc_sysrq_trigger_operations);
-#endif
}
projects / linux-2.6-omap-h63xx.git / blobdiff