diff options
| -rw-r--r-- | fs/proc/stat.c | 10 | ||||
| -rw-r--r-- | include/linux/kernel_stat.h | 4 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 15 |
3 files changed, 21 insertions, 8 deletions
diff --git a/fs/proc/stat.c b/fs/proc/stat.c index b80c620565b..e15a19c93ba 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -31,7 +31,6 @@ static int show_stat(struct seq_file *p, void *v) u64 sum_softirq = 0; unsigned int per_softirq_sums[NR_SOFTIRQS] = {0}; struct timespec boottime; - unsigned int per_irq_sum; user = nice = system = idle = iowait = irq = softirq = steal = cputime64_zero; @@ -108,13 +107,8 @@ static int show_stat(struct seq_file *p, void *v) seq_printf(p, "intr %llu", (unsigned long long)sum); /* 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); - } + for_each_irq_nr(j) + seq_printf(p, " %u", kstat_irqs(j)); seq_printf(p, "\nctxt %llu\n" diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 8b9b8908553..ad54c846911 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -86,6 +86,7 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu) /* * Number of interrupts per specific IRQ source, since bootup */ +#ifndef CONFIG_GENERIC_HARDIRQS static inline unsigned int kstat_irqs(unsigned int irq) { unsigned int sum = 0; @@ -96,6 +97,9 @@ static inline unsigned int kstat_irqs(unsigned int irq) return sum; } +#else +extern unsigned int kstat_irqs(unsigned int irq); +#endif /* * Number of interrupts per cpu, since bootup diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 9d917ff7267..9988d03797f 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -393,3 +393,18 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) struct irq_desc *desc = irq_to_desc(irq); return desc ? desc->kstat_irqs[cpu] : 0; } + +#ifdef CONFIG_GENERIC_HARDIRQS +unsigned int kstat_irqs(unsigned int irq) +{ + struct irq_desc *desc = irq_to_desc(irq); + int cpu; + int sum = 0; + + if (!desc) + return 0; + for_each_possible_cpu(cpu) + sum += desc->kstat_irqs[cpu]; + return sum; +} +#endif /* CONFIG_GENERIC_HARDIRQS */ |