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

/* SPDX-License-Identifier: GPL-2.0 */
#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
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
6a60dd12 SR	2	#ifndef _LINUX_FTRACE_IRQ_H
	3	#define _LINUX_FTRACE_IRQ_H
	4
	5
78d904b4	6	#ifdef CONFIG_FTRACE_NMI_ENTER
7b2c8625 SRRH	7	extern void arch_ftrace_nmi_enter(void);
7b2c8625 SRRH	8	extern void arch_ftrace_nmi_exit(void);
6a60dd12	9	#else
7b2c8625 SRRH	10	static inline void arch_ftrace_nmi_enter(void) { }
7b2c8625 SRRH	11	static inline void arch_ftrace_nmi_exit(void) { }
6a60dd12 SR	12	#endif
6a60dd12 SR	13
7b2c8625 SRRH	14	#ifdef CONFIG_HWLAT_TRACER
	15	extern bool trace_hwlat_callback_enabled;
	16	extern void trace_hwlat_callback(bool enter);
	17	#endif
	18
	19	static inline void ftrace_nmi_enter(void)
	20	{
	21	#ifdef CONFIG_HWLAT_TRACER
	22	if (trace_hwlat_callback_enabled)
	23	trace_hwlat_callback(true);
	24	#endif
	25	arch_ftrace_nmi_enter();
	26	}
	27
	28	static inline void ftrace_nmi_exit(void)
	29	{
	30	arch_ftrace_nmi_exit();
	31	#ifdef CONFIG_HWLAT_TRACER
	32	if (trace_hwlat_callback_enabled)
	33	trace_hwlat_callback(false);
	34	#endif
	35	}
	36
6a60dd12	37	#endif /* _LINUX_FTRACE_IRQ_H */