swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
Raw File
Tip revision: e5517c2a5a49ed5e99047008629f1cd60246ea0e authored by Linus Torvalds on 27 November 2016, 21:08:04 UTC
Linux 4.9-rc7
Tip revision: e5517c2
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 */
back to top