Merge branch 'linus' into core/softlockup

[linux-2.6-omap-h63xx.git] / kernel / trace / trace_events_stage_1.h

diff --git a/kernel/trace/trace_events_stage_1.h b/kernel/trace/trace_events_stage_1.h
new file mode 100644 (file)
index 0000000..38985f9
--- /dev/null
+++ b/kernel/trace/trace_events_stage_1.h
@@ -0,0 +1,39 @@
+/*
+ * Stage 1 of the trace events.
+ *
+ * Override the macros in <trace/trace_event_types.h> to include the following:
+ *
+ * struct ftrace_raw_<call> {
+ *     struct trace_entry              ent;
+ *     <type>                          <item>;
+ *     <type2>                         <item2>[<len>];
+ *     [...]
+ * };
+ *
+ * The <type> <item> is created by the __field(type, item) macro or
+ * the __array(type2, item2, len) macro.
+ * We simply do "type item;", and that will create the fields
+ * in the structure.
+ */
+
+#undef TRACE_FORMAT
+#define TRACE_FORMAT(call, proto, args, fmt)
+
+#undef __array
+#define __array(type, item, len)       type    item[len];
+
+#undef __field
+#define __field(type, item)            type    item;
+
+#undef TP_STRUCT__entry
+#define TP_STRUCT__entry(args...) args
+
+#undef TRACE_EVENT
+#define TRACE_EVENT(name, proto, args, tstruct, assign, print) \
+       struct ftrace_raw_##name {                              \
+               struct trace_entry      ent;                    \
+               tstruct                                         \
+       };                                                      \
+       static struct ftrace_event_call event_##name
+
+#include <trace/trace_event_types.h>