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>
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 25cba28..b0ca747 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 @@
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 @@
#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;
