name : instrumentation.h /* 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)