[mirror_ubuntu-artful-kernel.git] / include / linux / ftrace_irq.h

#ifndef _LINUX_FTRACE_IRQ_H
#define _LINUX_FTRACE_IRQ_H


#ifdef CONFIG_FTRACE_NMI_ENTER
extern void arch_ftrace_nmi_enter(void);
extern void arch_ftrace_nmi_exit(void);
#else
static inline void arch_ftrace_nmi_enter(void) { }
static inline void arch_ftrace_nmi_exit(void) { }
#endif

#ifdef CONFIG_HWLAT_TRACER
extern bool trace_hwlat_callback_enabled;
extern void trace_hwlat_callback(bool enter);
#endif

static inline void ftrace_nmi_enter(void)
{
#ifdef CONFIG_HWLAT_TRACER
	if (trace_hwlat_callback_enabled)
		trace_hwlat_callback(true);
#endif
	arch_ftrace_nmi_enter();
}

static inline void ftrace_nmi_exit(void)
{
	arch_ftrace_nmi_exit();
#ifdef CONFIG_HWLAT_TRACER
	if (trace_hwlat_callback_enabled)
		trace_hwlat_callback(false);
#endif
}

#endif /* _LINUX_FTRACE_IRQ_H */
Commit	Line	Data
6a60dd12 SR	1	#ifndef _LINUX_FTRACE_IRQ_H
	2	#define _LINUX_FTRACE_IRQ_H
	3
	4
78d904b4	5	#ifdef CONFIG_FTRACE_NMI_ENTER
7b2c8625 SRRH	6	extern void arch_ftrace_nmi_enter(void);
7b2c8625 SRRH	7	extern void arch_ftrace_nmi_exit(void);
6a60dd12	8	#else
7b2c8625 SRRH	9	static inline void arch_ftrace_nmi_enter(void) { }
7b2c8625 SRRH	10	static inline void arch_ftrace_nmi_exit(void) { }
6a60dd12 SR	11	#endif
6a60dd12 SR	12
7b2c8625 SRRH	13	#ifdef CONFIG_HWLAT_TRACER
	14	extern bool trace_hwlat_callback_enabled;
	15	extern void trace_hwlat_callback(bool enter);
	16	#endif
	17
	18	static inline void ftrace_nmi_enter(void)
	19	{
	20	#ifdef CONFIG_HWLAT_TRACER
	21	if (trace_hwlat_callback_enabled)
	22	trace_hwlat_callback(true);
	23	#endif
	24	arch_ftrace_nmi_enter();
	25	}
	26
	27	static inline void ftrace_nmi_exit(void)
	28	{
	29	arch_ftrace_nmi_exit();
	30	#ifdef CONFIG_HWLAT_TRACER
	31	if (trace_hwlat_callback_enabled)
	32	trace_hwlat_callback(false);
	33	#endif
	34	}
	35
6a60dd12	36	#endif /* _LINUX_FTRACE_IRQ_H */