include/linux/ftrace_irq.h

   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
   6 extern bool trace_hwlat_callback_enabled;
   7 extern void trace_hwlat_callback(bool enter);
   8 #endif
   9
  10 static 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
  18 static 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 */