wrapper/perf.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2  *
   3  * wrapper/perf.h
   4  *
   5  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  */
   7
   8 #ifndef _LTTNG_WRAPPER_PERF_H
   9 #define _LTTNG_WRAPPER_PERF_H
  10
  11 #include <linux/perf_event.h>
  12
  13 #ifdef CONFIG_PERF_EVENTS
  14
  15 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
  16 static inline struct perf_event *
  17 wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
  18                                 int cpu,
  19                                 struct task_struct *task,
  20                                 perf_overflow_handler_t callback)
  21 {
  22         return perf_event_create_kernel_counter(attr, cpu, task, callback, NULL);
  23 }
  24 #else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) */
  25 static inline struct perf_event *
  26 wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
  27                                 int cpu,
  28                                 struct task_struct *task,
  29                                 perf_overflow_handler_t callback)
  30 {
  31         return perf_event_create_kernel_counter(attr, cpu, task, callback);
  32 }
  33 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) */
  34
  35 #endif /* CONFIG_PERF_EVENTS */
  36
  37 #endif /* _LTTNG_WRAPPER_PERF_H */