ftrace: move enums to ftrace.h and make helper function global

picked from the mmiotracer patches to distangle the patch queues.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 25cba28eb9ba..b0ca7473671b 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -6,6 +6,18 @@
 #include <linux/sched.h>
 #include <linux/clocksource.h>
 
+enum trace_type {
+        __TRACE_FIRST_TYPE = 0,
+
+        TRACE_FN,
+        TRACE_CTX,
+        TRACE_WAKE,
+        TRACE_STACK,
+        TRACE_SPECIAL,
+
+        __TRACE_LAST_TYPE
+};
+
 /*
  * Function trace entry - function address and parent function addres:
  */
@@ -130,6 +142,7 @@ struct tracer {
         int                     (*selftest)(struct tracer *trace,
                                             struct trace_array *tr);
 #endif
+        int                     (*print_line)(struct trace_iterator *iter);
         struct tracer           *next;
         int                     print_max;
 };
@@ -276,6 +289,8 @@ extern int trace_selftest_startup_sched_switch(struct tracer *trace,
 #endif /* CONFIG_FTRACE_STARTUP_TEST */
 
 extern void *head_page(struct trace_array_cpu *data);
+extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
+extern long ns2usecs(cycle_t nsec);
 
 extern unsigned long trace_flags;