tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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kernel / include / linux / ftrace_irq.h
at v5.10-rc1 26 lines 544 B view raw
1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _LINUX_FTRACE_IRQ_H 3#define _LINUX_FTRACE_IRQ_H 4 5#ifdef CONFIG_HWLAT_TRACER 6extern bool trace_hwlat_callback_enabled; 7extern void trace_hwlat_callback(bool enter); 8#endif 9 10static inline void ftrace_nmi_enter(void) 11{ 12#ifdef CONFIG_HWLAT_TRACER 13 if (trace_hwlat_callback_enabled) 14 trace_hwlat_callback(true); 15#endif 16} 17 18static inline void ftrace_nmi_exit(void) 19{ 20#ifdef CONFIG_HWLAT_TRACER 21 if (trace_hwlat_callback_enabled) 22 trace_hwlat_callback(false); 23#endif 24} 25 26#endif /* _LINUX_FTRACE_IRQ_H */