int show_interrupts(struct seq_file *p, void *v)
{
unsigned long flags, any_count = 0;
int i = *(loff_t *) v, j;
struct irqaction *action;
struct irq_desc *desc;
if (i > nr_irqs)
return 0;
if (i == nr_irqs)
return show_other_interrupts(p);
/* print header */
if (i == 0) {
seq_printf(p, " ");
for_each_online_cpu(j)
seq_printf(p, "CPU%-8d", j);
seq_putc(p, '\n');
}
desc = irq_to_desc(i);
if (!desc)
return 0;
spin_lock_irqsave(&desc->lock, flags);
#ifndef CONFIG_SMP
any_count = kstat_irqs(i);
#else
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
#endif
action = desc->action;
if (!action && !any_count)
goto out;
seq_printf(p, "%3d: ", i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
#endif
seq_printf(p, " %8s", desc->chip->name);
seq_printf(p, "-%-8s", desc->name);
if (action) {
seq_printf(p, " %s", action->name);
while ((action = action->next) != NULL)
seq_printf(p, ", %s", action->name);
}
seq_putc(p, '\n');
out:
spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v;
struct irqaction *action;
unsigned long flags;
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
seq_printf(p, "%3d: %10u ", i, kstat_irqs(i));
seq_printf(p, " %s", action->name);
for (action = action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
unlock:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "Err: %10lu\n", irq_err_count);
}
return 0;
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v;
struct irqaction * action;
unsigned long flags;
if (i == 0)
seq_puts(p, " CPU0");
if (i < NR_IRQS) {
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
seq_printf(p, "%3d: ",i);
seq_printf(p, "%10u ", kstat_irqs(i));
seq_printf(p, " %14s", irq_desc[i].irq_data.chip->name);
seq_printf(p, "-%-8s", irq_desc[i].name);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
unlock:
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
}
int get_irq_list(char *buf)
{
struct irqaction * action;
char *p = buf;
int i;
p += sprintf(p, " ");
for (i=0; i < 1 /*smp_num_cpus*/; i++)
p += sprintf(p, "CPU%d ", i);
*p++ = '\n';
for (i = 0 ; i < NR_IRQS ; i++) {
action = irq_desc[i].action;
if (!action)
continue;
p += sprintf(p, "%3d: ",i);
p += sprintf(p, "%10u ", kstat_irqs(i));
p += sprintf(p, " %14s", irq_desc[i].handler->typename);
p += sprintf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
p += sprintf(p, ", %s", action->name);
*p++ = '\n';
}
p += sprintf(p, "ERR: %10lu\n", irq_err_count);
return p - buf;
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
struct irqaction * action;
unsigned long flags;
if (i == 0) {
seq_printf(p, " ");
for_each_online_cpu(j)
seq_printf(p, "CPU%d ",j);
seq_putc(p, '\n');
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
seq_printf(p, "%3d: ",i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
seq_printf(p, " %14s", irq_desc[i].chip->typename);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS)
int show_interrupts(struct seq_file *p, void *v)
{
struct irqaction *ap;
int irq = *((loff_t *) v);
if (irq == 0)
seq_puts(p, " CPU0\n");
if (irq < NR_IRQS) {
struct irq_desc *desc = irq_to_desc(irq);
ap = desc->action;
if (ap) {
seq_printf(p, "%3d: ", irq);
seq_printf(p, "%10u ", kstat_irqs(irq));
seq_printf(p, "%14s ", irq_desc_get_chip(desc)->name);
seq_printf(p, "%s", ap->name);
for (ap = ap->next; ap; ap = ap->next)
seq_printf(p, ", %s", ap->name);
seq_putc(p, '\n');
}
}
return 0;
}
int get_irq_list(char *buf)
{
int i, j;
struct irqaction * action;
char *p = buf;
p += sprintf(p, " ");
for (j=0; j<smp_num_cpus; j++)
p += sprintf(p, "CPU%d ",j);
*p++ = '\n';
for (i = 0 ; i < NR_IRQS ; i++) {
action = irq_desc[i].action;
if (!action)
continue;
p += sprintf(p, "%3d: ",i);
#ifndef CONFIG_SMP
p += sprintf(p, "%10u ", kstat_irqs(i));
#else
for (j = 0; j < smp_num_cpus; j++)
p += sprintf(p, "%10u ",
kstat.irqs[cpu_logical_map(j)][i]);
#endif
p += sprintf(p, " %14s", irq_desc[i].handler->typename);
p += sprintf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
p += sprintf(p, ", %s", action->name);
*p++ = '\n';
}
p += sprintf(p, "\n");
p += sprintf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
return p - buf;
}
int show_interrupts(struct seq_file *p, void *v)
{
struct irqaction * action;
int i;
seq_puts(p, " ");
for (i=0; i < 1 /*smp_num_cpus*/; i++)
seq_printf(p, "CPU%d ", i);
seq_putc(p, '\n');
for (i = 0 ; i < NR_IRQS ; i++) {
action = irq_desc[i].action;
if (!action)
continue;
seq_printf(p, "%3d: ",i);
seq_printf(p, "%10u ", kstat_irqs(i));
seq_printf(p, " %14s", irq_desc[i].handler->typename);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
}
seq_printf(p, "ERR: %10lu\n", irq_err_count);
return 0;
}
int get_irq_list(char *buf)
{
int i, j;
struct irqaction * action;
char *p = buf;
p += sprintf(p, " ");
for (j=0; j<smp_num_cpus; j++)
p += sprintf(p, "CPU%d ",j);
*p++ = '\n';
for (i = 0 ; i < NR_IRQS ; i++) {
action = irq_desc[i].action;
if (!action)
continue;
p += sprintf(p, "%3d: ",i);
p += sprintf(p, "%10u ", kstat_irqs(i));
p += sprintf(p, " %14s", irq_desc[i].handler->typename);
p += irq_describe(p, i);
p += sprintf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
p += sprintf(p, ", %s", action->name);
*p++ = '\n';
}
#if 0
p += sprintf(p, "NMI: ");
for (j = 0; j < smp_num_cpus; j++)
p += sprintf(p, "%10u ",
atomic_read(&nmi_counter(cpu_logical_map(j))));
p += sprintf(p, "\n");
#endif
return p - buf;
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
struct irqaction * action;
unsigned long flags;
if (i == 0) {
seq_puts(p, " ");
for (j=0; j<NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "CPU%d ",j);
seq_putc(p, '\n');
}
if (i < ACTUAL_NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
seq_printf(p, "%3d: ",i);
seq_printf(p, "%10u ", kstat_irqs(i));
seq_printf(p, " %14s", irq_desc[i].handler->typename);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
unlock:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
static int __devinit
init_card(struct IsdnCardState *cs)
{
int irq_cnt, cnt = 3;
long flags;
if (!cs->irq)
return(cs->cardmsg(cs, CARD_INIT, NULL));
save_flags(flags);
cli();
irq_cnt = kstat_irqs(cs->irq);
printk(KERN_INFO "%s: IRQ %d count %d\n", CardType[cs->typ], cs->irq,
irq_cnt);
if (request_irq(cs->irq, cs->irq_func, cs->irq_flags, "HiSax", cs)) {
printk(KERN_WARNING "HiSax: couldn't get interrupt %d\n",
cs->irq);
restore_flags(flags);
return(1);
}
while (cnt) {
cs->cardmsg(cs, CARD_INIT, NULL);
sti();
set_current_state(TASK_UNINTERRUPTIBLE);
/* Timeout 10ms */
schedule_timeout((10*HZ)/1000);
restore_flags(flags);
printk(KERN_INFO "%s: IRQ %d count %d\n", CardType[cs->typ],
cs->irq, kstat_irqs(cs->irq));
if (kstat_irqs(cs->irq) == irq_cnt) {
printk(KERN_WARNING
"%s: IRQ(%d) getting no interrupts during init %d\n",
CardType[cs->typ], cs->irq, 4 - cnt);
if (cnt == 1) {
free_irq(cs->irq, cs);
return (2);
} else {
cs->cardmsg(cs, CARD_RESET, NULL);
cnt--;
}
} else {
cs->cardmsg(cs, CARD_TEST, NULL);
return(0);
}
}
restore_flags(flags);
return(3);
}
/**
* kstat_irqs_usr - Get the statistics for an interrupt
* @irq: The interrupt number
*
* Returns the sum of interrupt counts on all cpus since boot for
* @irq. Contrary to kstat_irqs() this can be called from any
* preemptible context. It's protected against concurrent removal of
* an interrupt descriptor when sparse irqs are enabled.
*/
unsigned int kstat_irqs_usr(unsigned int irq)
{
int sum;
irq_lock_sparse();
sum = kstat_irqs(irq);
irq_unlock_sparse();
return sum;
}
/**
* kstat_irqs_usr - Get the statistics for an interrupt
* @irq: The interrupt number
*
* Returns the sum of interrupt counts on all cpus since boot for @irq.
* Contrary to kstat_irqs() this can be called from any context.
* It uses rcu since a concurrent removal of an interrupt descriptor is
* observing an rcu grace period before delayed_free_desc()/irq_kobj_release().
*/
unsigned int kstat_irqs_usr(unsigned int irq)
{
unsigned int sum;
rcu_read_lock();
sum = kstat_irqs(irq);
rcu_read_unlock();
return sum;
}
int show_interrupts(struct seq_file *p, void *v)
{
#ifdef CONFIG_PROC_FS
int i, j;
int regnr, irq_no;
struct irq_region *region;
struct irqaction *action, *mainaction;
seq_puts(p, " ");
for (j=0; j<smp_num_cpus; j++)
seq_printf(p, "CPU%d ",j);
seq_putc(p, '\n');
for (regnr = 0; regnr < NR_IRQ_REGS; regnr++) {
region = irq_region[regnr];
if (!region || !region->action)
continue;
mainaction = region->action;
for (i = 0; i <= MAX_CPU_IRQ; i++) {
action = mainaction++;
if (!action || !action->name)
continue;
irq_no = IRQ_FROM_REGION(regnr) + i;
seq_printf(p, "%3d: ", irq_no);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(irq_no));
#else
for (j = 0; j < smp_num_cpus; j++)
seq_printf(p, "%10u ",
kstat.irqs[cpu_logical_map(j)][irq_no]);
#endif
seq_printf(p, " %14s",
region->data.name ? region->data.name : "N/A");
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
}
}
seq_putc(p, '\n');
#if CONFIG_SMP
seq_puts(p, "LOC: ");
for (j = 0; j < smp_num_cpus; j++)
seq_printf(p, "%10u ",
apic_timer_irqs[cpu_logical_map(j)]);
seq_putc(p, '\n');
#endif
#endif /* CONFIG_PROC_FS */
return 0;
}
int
show_interrupts(struct seq_file *p, void *v)
{
#ifdef CONFIG_SMP
int j;
#endif
int irq = *(loff_t *) v;
struct irqaction * action;
unsigned long flags;
#ifdef CONFIG_SMP
if (irq == 0) {
seq_puts(p, " ");
for_each_online_cpu(j)
seq_printf(p, "CPU%d ", j);
seq_putc(p, '\n');
}
#endif
if (irq < ACTUAL_NR_IRQS) {
raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
action = irq_desc[irq].action;
if (!action)
goto unlock;
seq_printf(p, "%3d: ", irq);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(irq));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(irq, j));
#endif
seq_printf(p, " %14s", irq_desc[irq].chip->name);
seq_printf(p, " %c%s",
(action->flags & IRQF_DISABLED)?'+':' ',
action->name);
for (action=action->next; action; action = action->next) {
seq_printf(p, ", %c%s",
(action->flags & IRQF_DISABLED)?'+':' ',
action->name);
}
seq_putc(p, '\n');
unlock:
raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
} else if (irq == ACTUAL_NR_IRQS) {
#ifdef CONFIG_SMP
seq_puts(p, "IPI: ");
for_each_online_cpu(j)
seq_printf(p, "%10lu ", cpu_data[j].ipi_count);
seq_putc(p, '\n');
#endif
seq_printf(p, "ERR: %10lu\n", irq_err_count);
}
return 0;
}
void wtd_dump_irqs(unsigned int dump)
{
int n;
if (dump) {
pr_err("\nWatchdog dump irqs:\n");
pr_err("irqnr total since-last status name\n");
}
for (n = 1; n < NR_IRQS; n++) {
struct irqaction *act = irq_desc[n].action;
if (!act && !kstat_irqs(n))
continue;
if (dump) {
pr_err("%5d: %10u %11u %s\n", n,
kstat_irqs(n),
kstat_irqs(n) - last_irqs[n],
(act && act->name) ? act->name : "???");
}
last_irqs[n] = kstat_irqs(n);
}
}
static int init_card(struct IsdnCardState *cs)
{
int irq_cnt, cnt = 3, ret;
if (!cs->irq) {
ret = cs->cardmsg(cs, CARD_INIT, NULL);
return(ret);
}
irq_cnt = kstat_irqs(cs->irq);
printk(KERN_INFO "%s: IRQ %d count %d\n", CardType[cs->typ],
cs->irq, irq_cnt);
if (request_irq(cs->irq, cs->irq_func, cs->irq_flags, "HiSax", cs)) {
printk(KERN_WARNING "HiSax: couldn't get interrupt %d\n",
cs->irq);
return 1;
}
while (cnt) {
cs->cardmsg(cs, CARD_INIT, NULL);
/* Timeout 10ms */
msleep(10);
printk(KERN_INFO "%s: IRQ %d count %d\n",
CardType[cs->typ], cs->irq, kstat_irqs(cs->irq));
if (kstat_irqs(cs->irq) == irq_cnt) {
printk(KERN_WARNING
"%s: IRQ(%d) getting no interrupts during init %d\n",
CardType[cs->typ], cs->irq, 4 - cnt);
if (cnt == 1) {
free_irq(cs->irq, cs);
return 2;
} else {
cs->cardmsg(cs, CARD_RESET, NULL);
cnt--;
}
} else {
cs->cardmsg(cs, CARD_TEST, NULL);
return 0;
}
}
return 3;
}
void wtd_dump_irqs(unsigned int dump)
{
int n;
unsigned long long *t_ptr;
t_ptr = MSM_IRQ_COUNT_TIMESTAMP_ADDR;
*t_ptr = cpu_clock(smp_processor_id());
do_div(*t_ptr, 1000000000);
if (dump) {
pr_err("\nWatchdog dump irqs:\n");
pr_err("irqnr total since-last status name\n");
}
for (n = 1; n < NR_IRQS; n++) {
struct irqaction *act = irq_desc[n].action;
if (!act && !kstat_irqs(n))
continue;
if (irq_count_info_ptr && ((unsigned int *)(irq_count_info_ptr + 1) \
< (unsigned int *)(MSM_IRQ_COUNT_INFO_BASE + MSM_IRQ_COUNT_INFO_SIZE))) {
if (last_irqs[n].debug_info_ptr != NULL) {
(*last_irqs[n].debug_info_ptr).total = kstat_irqs(n);
(*last_irqs[n].debug_info_ptr).since_last = \
(*last_irqs[n].debug_info_ptr).total - last_irqs[n].last_irqs;
} else {
last_irqs[n].debug_info_ptr = irq_count_info_ptr++;
(*last_irqs[n].debug_info_ptr).irqnr = n;
}
}
if (dump) {
pr_err("%5d: %10u %11u %8x %s\n", n,
(*last_irqs[n].debug_info_ptr).total,
(*last_irqs[n].debug_info_ptr).since_last,
irq_desc[n].status,
(act && act->name) ? act->name : "???");
}
(*irq_count_info_ptr).irqnr = 0x55AA66BB; /*IRQ state magic number*/
last_irqs[n].last_irqs = (*last_irqs[n].debug_info_ptr).total;
}
mb();
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
struct irqaction * action;
unsigned long flags;
if (i == 0) {
seq_printf(p, " ");
for_each_online_cpu(j)
seq_printf(p, "CPU%-8d",j);
seq_putc(p, '\n');
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
seq_printf(p, "%3d: ",i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
seq_printf(p, " %8s", irq_desc[i].chip->name);
seq_printf(p, "-%-8s", irq_desc[i].name);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
seq_putc(p, '\n');
seq_printf(p, "LOC: ");
for_each_online_cpu(j)
seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
seq_putc(p, '\n');
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
}
return 0;
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
struct irq_desc *desc;
struct irqaction *action;
unsigned long flags;
if (i == 0) {
seq_printf(p, " ");
for_each_online_cpu(j)
seq_printf(p, "CPU%-8d", j);
seq_putc(p, '\n');
}
if (i < nr_irq) {
desc = irq_to_desc(i);
raw_spin_lock_irqsave(&desc->lock, flags);
action = desc->action;
if (!action)
goto skip;
seq_printf(p, "%3d: ", i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
seq_printf(p, " %8s", desc->status &
IRQ_LEVEL ? "level" : "edge");
seq_printf(p, " %8s", desc->irq_data.chip->name);
seq_printf(p, " %s", action->name);
for (action = action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
skip:
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
return 0;
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v;
struct irqaction * action;
if (i < NR_IRQS) {
action = irq_desc[i].action;
if (!action)
continue;
seq_printf(p, "%3d: %10u ", i, kstat_irqs(i));
seq_printf(p, " %s", action->name);
for (action = action->next; action; action = action->next) {
seq_printf(p, ", %s", action->name);
}
seq_putc(p, '\n');
} else if (i == NR_IRQS) {
show_fiq_list(p, v);
seq_printf(p, "Err: %10lu\n", irq_err_count);
}
return 0;
}
int show_interrupts(struct seq_file *p, void *v)
{
int j, i = *(loff_t *) v;
struct irqaction * action;
irq_desc_t *idesc;
unsigned long flags;
if (i == 0) {
seq_puts(p, " ");
for (j=0; j<NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "CPU%d ",j);
seq_putc(p, '\n');
}
if (i < NR_IRQS) {
idesc = irq_descp(i);
spin_lock_irqsave(&idesc->lock, flags);
action = idesc->action;
if (!action)
goto skip;
seq_printf(p, "%3d: ",i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for (j = 0; j < NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
seq_printf(p, " %14s", idesc->handler->typename);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&idesc->lock, flags);
} else if (i == NR_IRQS) {
int get_irq_list(char *buf)
{
int i;
struct irqaction * action;
char *p = buf;
for (i = 0 ; i < NR_IRQS ; i++) {
action = irq_desc[i].action;
if (!action)
continue;
p += sprintf(p, "%3d: %10u ", i, kstat_irqs(i));
p += sprintf(p, " %s", action->name);
for (action = action->next; action; action = action->next) {
p += sprintf(p, ", %s", action->name);
}
*p++ = '\n';
}
#ifdef CONFIG_ARCH_ACORN
p += get_fiq_list(p);
#endif
p += sprintf(p, "Err: %10lu\n", irq_err_count);
return p - buf;
}
case ACCEL:
accel_irq = irq;
break;
case COMPASS:
compass_irq = irq;
break;
}
}
static ssize_t i2c_counters_show(struct class *cls,
struct class_attribute *attr, char *buf)
{
return scnprintf(buf, PAGE_SIZE,
"%ld.%03ld %u %u %u %u %u %u %u %u %u %u\n",
jiffies / HZ, ((jiffies % HZ) * (1024 / HZ)),
mpu_irq ? kstat_irqs(mpu_irq) : 0,
Counters.i2c_tempreads,
Counters.i2c_mpureads, Counters.i2c_mpuwrites,
accel_irq ? kstat_irqs(accel_irq) : Counters.i2c_accelirq,
Counters.i2c_accelreads, Counters.i2c_accelwrites,
compass_irq ? kstat_irqs(compass_irq) : Counters.i2c_compassirq,
Counters.i2c_compassreads, Counters.i2c_compasswrites);
}
void inv_iio_counters_tempread(int count)
{
Counters.i2c_tempreads += count;
}
EXPORT_SYMBOL_GPL(inv_iio_counters_tempread);
void inv_iio_counters_mpuread(int count)
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 DECLARE_WAIT_QUEUE_HEAD(WaitQueue);
static DECLARE_WAIT_QUEUE_HEAD(WaitEnd);
struct task_struct *holding[64], *p, *q;
int hold_no = 0;
int end_relaxer = 0;
int ending = 0;
bool taken[64];
long threshold = 0.10; //long's are integers!!! C casting is done by my_float = (float)my_long;
/* Pretty much problems will come from:
Casting
Pointers
*/
int irq_old = kstat_irqs(1);
int irq_new;
while (1){
irq_new = kstat_irqs(1) + 1;
if ((irq_new - irq_old) > 0){
p = &init_task;
q = &init_task;
p = next_task(p);
while (p->pid != q->pid){ // maybe try greater than? or try *p->pid
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);
}
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
unsigned long flags;
if (i == 0) {
seq_puts(p, " ");
for_each_online_cpu(j)
seq_printf(p, " CPU%d", j);
#ifdef PARISC_IRQ_CR16_COUNTS
seq_printf(p, " [min/avg/max] (CPU cycle counts)");
#endif
seq_putc(p, '\n');
}
if (i < NR_IRQS) {
struct irqaction *action;
atomic_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
seq_printf(p, "%3d: ", i);
#ifdef CONFIG_SMP
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
#else
seq_printf(p, "%10u ", kstat_irqs(i));
#endif
seq_printf(p, " %14s", irq_desc[i].chip->typename);
#ifndef PARISC_IRQ_CR16_COUNTS
seq_printf(p, " %s", action->name);
while ((action = action->next))
seq_printf(p, ", %s", action->name);
#else
for ( ;action; action = action->next) {
unsigned int k, avg, min, max;
min = max = action->cr16_hist[0];
for (avg = k = 0; k < PARISC_CR16_HIST_SIZE; k++) {
int hist = action->cr16_hist[k];
if (hist) {
avg += hist;
} else
break;
if (hist > max) max = hist;
if (hist < min) min = hist;
}
avg /= k;
seq_printf(p, " %s[%d/%d/%d]", action->name,
min,avg,max);
}
#endif
seq_putc(p, '\n');
skip:
atomic_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
}
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, 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 = cputime64_zero;
guest = guest_nice = 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);
idle = cputime64_add(idle, arch_idle_time(i));
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);
guest_nice = cputime64_add(guest_nice,
kstat_cpu(i).cpustat.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_printf(p, "cpu %llu %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),
(unsigned long long)cputime64_to_clock_t(guest_nice));
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;
idle = cputime64_add(idle, arch_idle_time(i));
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;
guest_nice = kstat_cpu(i).cpustat.guest_nice;
seq_printf(p,
"cpu%d %llu %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),
(unsigned long long)cputime64_to_clock_t(guest_nice));
}
seq_printf(p, "intr %llu", (unsigned long long)sum);
/* sum again ? it could be updated? */
for_each_irq_nr(j)
seq_printf(p, " %u", 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;
}
int get_irq_list(char *buf)
{
#ifdef CONFIG_PROC_FS
char *p = buf;
int i, j;
int regnr, irq_no;
struct irq_region *region;
struct irqaction *action, *mainaction;
p += sprintf(p, " ");
for (j=0; j<smp_num_cpus; j++)
p += sprintf(p, "CPU%d ",j);
*p++ = '\n';
for (regnr = 0; regnr < NR_IRQ_REGS; regnr++) {
region = irq_region[regnr];
if (!region || !region->action)
continue;
mainaction = region->action;
for (i = 0; i <= MAX_CPU_IRQ; i++) {
action = mainaction++;
if (!action || !action->name)
continue;
irq_no = IRQ_FROM_REGION(regnr) + i;
p += sprintf(p, "%3d: ", irq_no);
#ifndef CONFIG_SMP
p += sprintf(p, "%10u ", kstat_irqs(irq_no));
#else
for (j = 0; j < smp_num_cpus; j++)
p += sprintf(p, "%10u ",
kstat.irqs[cpu_logical_map(j)][irq_no]);
#endif
p += sprintf(p, " %14s",
region->data.name ? region->data.name : "N/A");
p += sprintf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
p += sprintf(p, ", %s", action->name);
*p++ = '\n';
}
}
p += sprintf(p, "\n");
#if CONFIG_SMP
p += sprintf(p, "LOC: ");
for (j = 0; j < smp_num_cpus; j++)
p += sprintf(p, "%10u ",
apic_timer_irqs[cpu_logical_map(j)]);
p += sprintf(p, "\n");
#endif
return p - buf;
#else /* CONFIG_PROC_FS */
return 0;
#endif /* CONFIG_PROC_FS */
}
