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
  10#ifdef CONFIG_OSNOISE_TRACER
  11extern bool trace_osnoise_callback_enabled;
  12extern void trace_osnoise_callback(bool enter);
  13#endif
  14
  15static 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
  27static 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 */
  40