30 lines
		
	
	
		
			885 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			885 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
 | |
| /*
 | |
|  * Copyright (C) 2019-2022 Red Hat, Inc. Daniel Bristot de Oliveira <bristot@kernel.org>
 | |
|  *
 | |
|  * Helper functions to facilitate the instrumentation of auto-generated
 | |
|  * RV monitors create by dot2k.
 | |
|  *
 | |
|  * The dot2k tool is available at tools/verification/dot2/
 | |
|  */
 | |
| 
 | |
| #include <linux/ftrace.h>
 | |
| 
 | |
| /*
 | |
|  * rv_attach_trace_probe - check and attach a handler function to a tracepoint
 | |
|  */
 | |
| #define rv_attach_trace_probe(monitor, tp, rv_handler)					\
 | |
| 	do {										\
 | |
| 		check_trace_callback_type_##tp(rv_handler);				\
 | |
| 		WARN_ONCE(register_trace_##tp(rv_handler, NULL),			\
 | |
| 				"fail attaching " #monitor " " #tp "handler");		\
 | |
| 	} while (0)
 | |
| 
 | |
| /*
 | |
|  * rv_detach_trace_probe - detach a handler function to a tracepoint
 | |
|  */
 | |
| #define rv_detach_trace_probe(monitor, tp, rv_handler)					\
 | |
| 	do {										\
 | |
| 		unregister_trace_##tp(rv_handler, NULL);				\
 | |
| 	} while (0)
 |