[for-next][PATCH 20/33] tracing: Declare newly exported APIs in include/linux/trace.h

From: Steven Rostedt
Date: Thu Nov 14 2019 - 13:18:44 EST


From: Divya Indi <divya.indi@xxxxxxxxxx>

Declare the newly introduced and exported APIs in the header file -
include/linux/trace.h. Moving previous declarations from
kernel/trace/trace.h to include/linux/trace.h.

Link: http://lkml.kernel.org/r/1565805327-579-2-git-send-email-divya.indi@xxxxxxxxxx

Signed-off-by: Divya Indi <divya.indi@xxxxxxxxxx>
Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
include/linux/trace.h | 7 +++++++
kernel/trace/trace.h | 4 +---
2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/include/linux/trace.h b/include/linux/trace.h
index b95ffb2188ab..24fcf07812ae 100644
--- a/include/linux/trace.h
+++ b/include/linux/trace.h
@@ -24,6 +24,13 @@ struct trace_export {
int register_ftrace_export(struct trace_export *export);
int unregister_ftrace_export(struct trace_export *export);

+struct trace_array;
+
+void trace_printk_init_buffers(void);
+int trace_array_printk(struct trace_array *tr, unsigned long ip,
+ const char *fmt, ...);
+struct trace_array *trace_array_create(const char *name);
+int trace_array_destroy(struct trace_array *tr);
#endif /* CONFIG_TRACING */

#endif /* _LINUX_TRACE_H */
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 718eb998c13e..90cba68c8b50 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -11,6 +11,7 @@
#include <linux/mmiotrace.h>
#include <linux/tracepoint.h>
#include <linux/ftrace.h>
+#include <linux/trace.h>
#include <linux/hw_breakpoint.h>
#include <linux/trace_seq.h>
#include <linux/trace_events.h>
@@ -873,8 +874,6 @@ trace_vprintk(unsigned long ip, const char *fmt, va_list args);
extern int
trace_array_vprintk(struct trace_array *tr,
unsigned long ip, const char *fmt, va_list args);
-int trace_array_printk(struct trace_array *tr,
- unsigned long ip, const char *fmt, ...);
int trace_array_printk_buf(struct ring_buffer *buffer,
unsigned long ip, const char *fmt, ...);
void trace_printk_seq(struct trace_seq *s);
@@ -1890,7 +1889,6 @@ extern const char *__start___tracepoint_str[];
extern const char *__stop___tracepoint_str[];

void trace_printk_control(bool enabled);
-void trace_printk_init_buffers(void);
void trace_printk_start_comm(void);
int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set);
int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled);
--
2.23.0