diff options
Diffstat (limited to 'include/linux/ftrace_irq.h')
| -rw-r--r-- | include/linux/ftrace_irq.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h new file mode 100644 index 000000000..ccda97dc7 --- /dev/null +++ b/include/linux/ftrace_irq.h @@ -0,0 +1,37 @@ +/* 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 */ |