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Diffstat (limited to 'include/linux/kernel_stat.h')
-rw-r--r--include/linux/kernel_stat.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 0c8b89f28a9..348fa8874b5 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -5,6 +5,7 @@
#include <linux/threads.h>
#include <linux/percpu.h>
#include <linux/cpumask.h>
+#include <linux/interrupt.h>
#include <asm/irq.h>
#include <asm/cputime.h>
@@ -31,6 +32,7 @@ struct kernel_stat {
#ifndef CONFIG_GENERIC_HARDIRQS
unsigned int irqs[NR_IRQS];
#endif
+ unsigned int softirqs[NR_SOFTIRQS];
};
DECLARE_PER_CPU(struct kernel_stat, kstat);
@@ -67,6 +69,16 @@ extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
#endif
+static inline void kstat_incr_softirqs_this_cpu(unsigned int irq)
+{
+ kstat_this_cpu.softirqs[irq]++;
+}
+
+static inline unsigned int kstat_softirqs_cpu(unsigned int irq, int cpu)
+{
+ return kstat_cpu(cpu).softirqs[irq];
+}
+
/*
* Number of interrupts per specific IRQ source, since bootup
*/
@@ -81,7 +93,12 @@ static inline unsigned int kstat_irqs(unsigned int irq)
return sum;
}
+
+/*
+ * Lock/unlock the current runqueue - to extract task statistics:
+ */
extern unsigned long long task_delta_exec(struct task_struct *);
+
extern void account_user_time(struct task_struct *, cputime_t, cputime_t);
extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t);
extern void account_steal_time(cputime_t);