| From | Daniel Bristot de Oliveira <> | Subject | [PATCH V4 05/20] rv/include: Add instrumentation helper functions | Date | Thu, 16 Jun 2022 10:44:47 +0200 |
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Instrumentation helper functions to facilitate the instrumentation of auto-generated RV monitors create by dot2k.
Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> --- include/rv/instrumentation.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 include/rv/instrumentation.h
diff --git a/include/rv/instrumentation.h b/include/rv/instrumentation.h new file mode 100644 index 000000000000..88dd33f10827 --- /dev/null +++ b/include/rv/instrumentation.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Helper functions to facilitate the instrumentation of auto-generated + * RV monitors create by dot2k. + * + * The dot2k tool is available at tools/tracing/rv/dot2/ + * + * Copyright (C) 2019-2022 Daniel Bristot de Oliveira <bristot@kernel.org> + */ + +#include <linux/ftrace.h> + +#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) + +#define rv_detach_trace_probe(monitor, tp, rv_handler) \ + do { \ + unregister_trace_##tp(rv_handler, NULL); \ + } while (0) -- 2.35.1
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