static int cmdline_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
extern char saved_command_line[];
int len = 0;
proc_sprintf(page, &off, &len, "%s\n", saved_command_line);
return proc_calc_metrics(page, start, off, count, eof, len);
}
static int kstat_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int i, len = 0;
extern unsigned long total_forks;
unsigned long jif = jiffies;
unsigned int sum = 0, user = 0, nice = 0, system = 0;
int major, disk;
for (i = 0 ; i < smp_num_cpus; i++) {
int cpu = cpu_logical_map(i), j;
user += kstat.per_cpu_user[cpu];
nice += kstat.per_cpu_nice[cpu];
system += kstat.per_cpu_system[cpu];
#if !defined(CONFIG_ARCH_S390)
for (j = 0 ; j < NR_IRQS ; j++)
sum += kstat.irqs[cpu][j];
#endif
}
proc_sprintf(page, &off, &len,
"cpu %u %u %u %lu\n", user, nice, system,
jif * smp_num_cpus - (user + nice + system));
for (i = 0 ; i < smp_num_cpus; i++)
proc_sprintf(page, &off, &len,
"cpu%d %u %u %u %lu\n",
i,
kstat.per_cpu_user[cpu_logical_map(i)],
kstat.per_cpu_nice[cpu_logical_map(i)],
kstat.per_cpu_system[cpu_logical_map(i)],
jif - ( kstat.per_cpu_user[cpu_logical_map(i)] \
+ kstat.per_cpu_nice[cpu_logical_map(i)] \
+ kstat.per_cpu_system[cpu_logical_map(i)]));
proc_sprintf(page, &off, &len,
"page %u %u\n"
"swap %u %u\n"
"intr %u",
kstat.pgpgin >> 1,
kstat.pgpgout >> 1,
kstat.pswpin,
kstat.pswpout,
sum
);
#if !defined(CONFIG_ARCH_S390) && !defined(CONFIG_ALPHA)
for (i = 0 ; i < NR_IRQS ; i++)
proc_sprintf(page, &off, &len,
" %u", kstat_irqs(i));
#endif
proc_sprintf(page, &off, &len, "\ndisk_io: ");
for (major = 0; major < DK_MAX_MAJOR; major++) {
for (disk = 0; disk < DK_MAX_DISK; disk++) {
int active = kstat.dk_drive[major][disk] +
kstat.dk_drive_rblk[major][disk] +
kstat.dk_drive_wblk[major][disk];
if (active)
proc_sprintf(page, &off, &len,
"(%u,%u):(%u,%u,%u,%u,%u) ",
major, disk,
kstat.dk_drive[major][disk],
kstat.dk_drive_rio[major][disk],
kstat.dk_drive_rblk[major][disk],
kstat.dk_drive_wio[major][disk],
kstat.dk_drive_wblk[major][disk]
);
}
}
proc_sprintf(page, &off, &len,
"\nctxt %u\n"
"btime %lu\n"
"processes %lu\n",
kstat.context_swtch,
xtime.tv_sec - jif / HZ,
total_forks);
return proc_calc_metrics(page, start, off, count, eof, len);
}
