ltt-tracer-core.h

   1 /*
   2  * Copyright (C) 2005,2006 Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)
   3  *
   4  * This contains the core definitions for the Linux Trace Toolkit.
   5  *
   6  * Dual LGPL v2.1/GPL v2 license.
   7  */
   8
   9 #ifndef LTT_TRACER_CORE_H
  10 #define LTT_TRACER_CORE_H
  11
  12 #include <linux/list.h>
  13 #include <linux/percpu.h>
  14
  15 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
  16 /* Align data on its natural alignment */
  17 #define RING_BUFFER_ALIGN
  18 #endif
  19
  20 #include "wrapper/ringbuffer/config.h"
  21
  22 struct ltt_session;
  23 struct ltt_channel;
  24 struct ltt_event;
  25
  26 typedef int (*ltt_run_filter_functor)(struct ltt_session *session,
  27                                       struct ltt_channel *chan,
  28                                       struct ltt_event *event);
  29
  30 extern ltt_run_filter_functor ltt_run_filter;
  31
  32 extern void ltt_filter_register(ltt_run_filter_functor func);
  33 extern void ltt_filter_unregister(void);
  34
  35 #endif /* LTT_TRACER_CORE_H */