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 #ifdef CONFIG_OSNOISE_TRACER
  11 extern bool trace_osnoise_callback_enabled;
  12 extern void trace_osnoise_callback(bool enter);
  13 #endif
  14
  15 static inline void ftrace_nmi_enter(void)
  16 {
  17 #ifdef CONFIG_HWLAT_TRACER
  18         if (trace_hwlat_callback_enabled)
  19                 trace_hwlat_callback(true);
  20 #endif
  21 #ifdef CONFIG_OSNOISE_TRACER
  22         if (trace_osnoise_callback_enabled)
  23                 trace_osnoise_callback(true);
  24 #endif
  25 }
  26
  27 static inline void ftrace_nmi_exit(void)
  28 {
  29 #ifdef CONFIG_HWLAT_TRACER
  30         if (trace_hwlat_callback_enabled)
  31                 trace_hwlat_callback(false);
  32 #endif
  33 #ifdef CONFIG_OSNOISE_TRACER
  34         if (trace_osnoise_callback_enabled)
  35                 trace_osnoise_callback(false);
  36 #endif
  37 }
  38
  39 #endif /* _LINUX_FTRACE_IRQ_H */