30 строки
885 B
C
30 строки
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)
|