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