Tracepoint and TRACEPOINT_EVENT API cleanup

[ust.git] / libust / tracercore.h

diff --git a/libust/tracercore.h b/libust/tracercore.h
index e5ff00f78edc8c0aa4264a2d79b1f2ae7398707d..9673cca2a875cf6bf44e86fb4681957c04828948 100644 (file)
--- a/libust/tracercore.h
+++ b/libust/tracercore.h
@@ -2,17 +2,28 @@
  * Copyright (C) 2005,2006 Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)
  *
  * This contains the core definitions for the Linux Trace Toolkit.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef LTT_CORE_H
-#define LTT_CORE_H
-
-#include "list.h"
-#include "kernelcompat.h"
-//ust// #include <linux/percpu.h>
+#ifndef UST_TRACERCORE_H
+#define UST_TRACERCORE_H
 
-/* ltt's root dir in debugfs */
-#define LTT_ROOT        "ltt"
+#include <ust/kcompat/kcompat.h>
+#include <ust/core.h>
+#include <urcu/list.h>
 
 /*
  * All modifications of ltt_traces must be done by ltt-tracer.c, while holding
@@ -21,21 +32,15 @@
  * list.
  */
 struct ltt_traces {
-       struct list_head setup_head;    /* Pre-allocated traces list */
-       struct list_head head;          /* Allocated Traces list */
+       struct cds_list_head setup_head;        /* Pre-allocated traces list */
+       struct cds_list_head head;              /* Allocated Traces list */
        unsigned int num_active_traces; /* Number of active traces */
 } ____cacheline_aligned;
 
 extern struct ltt_traces ltt_traces;
 
-/*
- * get dentry of ltt's root dir
- */
-struct dentry *get_ltt_root(void);
-
 /* Keep track of trap nesting inside LTT */
-//ust// DECLARE_PER_CPU(unsigned int, ltt_nesting);
-extern unsigned int ltt_nesting;
+extern __thread int ltt_nesting;
 
 typedef int (*ltt_run_filter_functor)(void *trace, uint16_t eID);
 //typedef int (*ltt_run_filter_functor)(void *, __u16);
@@ -45,39 +50,4 @@ extern ltt_run_filter_functor ltt_run_filter;
 extern void ltt_filter_register(ltt_run_filter_functor func);
 extern void ltt_filter_unregister(void);
 
-#if defined(CONFIG_LTT) && defined(CONFIG_LTT_ALIGNMENT)
-
-/*
- * Calculate the offset needed to align the type.
- * size_of_type must be non-zero.
- */
-static inline unsigned int ltt_align(size_t align_drift, size_t size_of_type)
-{
-       size_t alignment = min(sizeof(void *), size_of_type);
-       return (alignment - align_drift) & (alignment - 1);
-}
-/* Default arch alignment */
-#define LTT_ALIGN
-
-static inline int ltt_get_alignment(void)
-{
-       return sizeof(void *);
-}
-
-#else
-
-static inline unsigned int ltt_align(size_t align_drift,
-                size_t size_of_type)
-{
-       return 0;
-}
-
-#define LTT_ALIGN __attribute__((packed))
-
-static inline int ltt_get_alignment(void)
-{
-       return 0;
-}
-#endif /* defined(CONFIG_LTT) && defined(CONFIG_LTT_ALIGNMENT) */
-
-#endif /* LTT_CORE_H */
+#endif /* UST_TRACERCORE_H */