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Diffstat (limited to 'include/linux/kernel_stat.h')
-rw-r--r--include/linux/kernel_stat.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index ddb5a358fd82..9935f7ecbfb9 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -52,6 +52,7 @@ DECLARE_PER_CPU(struct kernel_cpustat, kernel_cpustat);
#define kstat_cpu(cpu) per_cpu(kstat, cpu)
#define kcpustat_cpu(cpu) per_cpu(kernel_cpustat, cpu)
+extern unsigned long long nr_context_switches_cpu(int cpu);
extern unsigned long long nr_context_switches(void);
extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
@@ -67,6 +68,17 @@ static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu)
return kstat_cpu(cpu).softirqs[irq];
}
+static inline unsigned int kstat_cpu_softirqs_sum(int cpu)
+{
+ int i;
+ unsigned int sum = 0;
+
+ for (i = 0; i < NR_SOFTIRQS; i++)
+ sum += kstat_softirqs_cpu(i, cpu);
+
+ return sum;
+}
+
/*
* Number of interrupts per specific IRQ source, since bootup
*/
@@ -75,7 +87,7 @@ extern unsigned int kstat_irqs_usr(unsigned int irq);
/*
* Number of interrupts per cpu, since bootup
*/
-static inline unsigned int kstat_cpu_irqs_sum(unsigned int cpu)
+static inline unsigned long kstat_cpu_irqs_sum(unsigned int cpu)
{
return kstat_cpu(cpu).irqs_sum;
}