LXR linux/include/linux/ftrace

   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 */
  27