| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_FTRACE_IRQ_H |
| 3 | #define _LINUX_FTRACE_IRQ_H |
| 4 | |
| 5 | |
| 6 | #ifdef CONFIG_FTRACE_NMI_ENTER |
| 7 | extern void arch_ftrace_nmi_enter(void); |
| 8 | extern void arch_ftrace_nmi_exit(void); |
| 9 | #else |
| 10 | static inline void arch_ftrace_nmi_enter(void) { } |
| 11 | static inline void arch_ftrace_nmi_exit(void) { } |
| 12 | #endif |
| 13 | |
| 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 | |
| 37 | #endif /* _LINUX_FTRACE_IRQ_H */ |