probes/lttng-probe-i2c.c

   1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
   2  *
   3  * probes/lttng-probe-i2c.c
   4  *
   5  * LTTng i2c probes.
   6  *
   7  * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  * Copyright (C) 2016 Simon Marchi <simon.marchi@ericsson.com>
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/moduleparam.h>
  13 #include <lttng-tracer.h>
  14
  15 /*
  16  * Create the tracepoint static inlines from the kernel to validate that our
  17  * trace event macros match the kernel we run on.
  18  */
  19 #include <trace/events/i2c.h>
  20
  21 /*
  22  * Create LTTng tracepoint probes.
  23  */
  24 #define LTTNG_PACKAGE_BUILD
  25 #define CREATE_TRACE_POINTS
  26 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module
  27
  28 static int extract_sensitive_payload;
  29 module_param(extract_sensitive_payload, int, 0644);
  30 MODULE_PARM_DESC(extract_sensitive_payload,
  31                 "Whether to extract possibly sensitive data from events (i2c "
  32                 "buffer contents) or not (1 or 0, default: 0).");
  33
  34 #include <instrumentation/events/lttng-module/i2c.h>
  35
  36 MODULE_LICENSE("GPL and additional rights");
  37 MODULE_AUTHOR("Simon Marchi <simon.marchi@ericsson.com>");
  38 MODULE_DESCRIPTION("LTTng i2c probes");
  39 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  40         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  41         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  42         LTTNG_MODULES_EXTRAVERSION);