diff options
Diffstat (limited to 'include/linux/interrupt.h')
| -rw-r--r-- | include/linux/interrupt.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 9fcabeb07787..5ff1d3a46d7f 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -675,6 +675,22 @@ static inline void init_irq_proc(void) } #endif +#ifdef CONFIG_IRQ_TIMINGS + +#define IRQ_TIMINGS_SHIFT 3 +#define IRQ_TIMINGS_SIZE (1 << IRQ_TIMINGS_SHIFT) +#define IRQ_TIMINGS_MASK (IRQ_TIMINGS_SIZE - 1) + +struct irq_timings { + u64 values[IRQ_TIMINGS_SIZE]; /* our circular buffer */ + unsigned int w_index; /* current buffer index */ +}; + +struct irq_timings *irq_timings_get_next(int *irq); +void irq_timings_enable(void); +void irq_timings_disable(void); +#endif + struct seq_file; int show_interrupts(struct seq_file *p, void *v); int arch_show_interrupts(struct seq_file *p, int prec); |