diff options
Diffstat (limited to 'include/linux/ftrace_irq.h')
| -rw-r--r-- | include/linux/ftrace_irq.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h index dca7bf8cffe2..4ec2c9b205f2 100644 --- a/include/linux/ftrace_irq.h +++ b/include/linux/ftrace_irq.h @@ -3,11 +3,34 @@ #ifdef CONFIG_FTRACE_NMI_ENTER -extern void ftrace_nmi_enter(void); -extern void ftrace_nmi_exit(void); +extern void arch_ftrace_nmi_enter(void); +extern void arch_ftrace_nmi_exit(void); #else -static inline void ftrace_nmi_enter(void) { } -static inline void ftrace_nmi_exit(void) { } +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 */ |