#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 <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)
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)
{
static int show_stat(struct seq_file *p, void *v)
{
- int i;
+ 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;
-
- per_irq_sum = kzalloc(sizeof(unsigned int)*NR_IRQS, GFP_KERNEL);
- if (!per_irq_sum)
- return -ENOMEM;
+ unsigned int per_irq_sum;
user = nice = system = idle = iowait =
irq = softirq = steal = cputime64_zero;
jif = boottime.tv_sec;
for_each_possible_cpu(i) {
- int j;
-
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);
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 (j = 0; j < NR_IRQS; j++) {
- unsigned int temp = kstat_cpu(i).irqs[j];
- sum += temp;
- per_irq_sum[j] += temp;
- }
+
+ for_each_irq_nr(j)
+ sum += kstat_irqs_cpu(j, i);
+
sum += arch_irq_stat_cpu(i);
}
sum += arch_irq_stat();
}
seq_printf(p, "intr %llu", (unsigned long long)sum);
- for (i = 0; i < NR_IRQS; i++)
- seq_printf(p, " %u", per_irq_sum[i]);
+ /* 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"
nr_running(),
nr_iowait());
- kfree(per_irq_sum);
return 0;
}
*/
static void *int_seq_start(struct seq_file *f, loff_t *pos)
{
- return (*pos <= NR_IRQS) ? pos : NULL;
+ return (*pos <= nr_irqs) ? pos : NULL;
}
+
static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
{
(*pos)++;
- if (*pos > NR_IRQS)
- return NULL;
- return 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,
.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)
{
};
#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)
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++)
projects / linux-2.6-omap-h63xx.git / blobdiff