probes/lttng-probe-v4l2.c

   1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2  *
   3  * probes/lttng-probe-v4l2.c
   4  *
   5  * LTTng v4l2 probes.
   6  *
   7  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  * Copyright (C) 2012,2013 Mentor Graphics Corp.
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/videodev2.h>
  13 #include <media/videobuf2-core.h>
  14 #include <media/v4l2-common.h>
  15 #include <lttng/tracer.h>
  16 /*
  17  * Create the tracepoint static inlines from the kernel to validate that our
  18  * trace event macros match the kernel we run on.
  19  */
  20 #include <trace/events/v4l2.h>
  21
  22 /*
  23  * Create LTTng tracepoint probes.
  24  */
  25 #define LTTNG_PACKAGE_BUILD
  26 #define CREATE_TRACE_POINTS
  27 #define TRACE_INCLUDE_PATH instrumentation/events
  28
  29 #include <instrumentation/events/v4l2.h>
  30
  31 MODULE_LICENSE("GPL and additional rights");
  32 MODULE_AUTHOR("Wade Farnsworth <wade_farnsworth@mentor.com>");
  33 MODULE_DESCRIPTION("LTTng v4l2 probes");
  34 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  35         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  36         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  37         LTTNG_MODULES_EXTRAVERSION);