wrapper/perf.h

   1 #ifndef _LTTNG_WRAPPER_PERF_H
   2 #define _LTTNG_WRAPPER_PERF_H
   3
   4 /*
   5  * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
   6  *
   7  * Dual LGPL v2.1/GPL v2 license.
   8  */
   9
  10 #include <linux/perf_event.h>
  11
  12 #if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,99))
  13 static inline struct perf_event *
  14 wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
  15                                 int cpu,
  16                                 struct task_struct *task,
  17                                 perf_overflow_handler_t callback)
  18 {
  19         return perf_event_create_kernel_counter(attr, cpu, task, callback, NULL);
  20 }
  21 #else
  22 static inline struct perf_event *
  23 wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
  24                                 int cpu,
  25                                 struct task_struct *task,
  26                                 perf_overflow_handler_t callback)
  27 {
  28         return perf_event_create_kernel_counter(attr, cpu, task, callback);
  29 }
  30 #endif
  31
  32 #endif /* _LTTNG_WRAPPER_PERF_H */