probes/lttng-probe-i2c.c

   1 /*
   2  * probes/lttng-probe-i2c.c
   3  *
   4  * LTTng i2c probes.
   5  *
   6  * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  * Copyright (C) 2016 Simon Marchi <simon.marchi@ericsson.com>
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; only
  12  * version 2.1 of the License.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #include <linux/module.h>
  25 #include <linux/moduleparam.h>
  26 #include <lttng-tracer.h>
  27
  28 /*
  29  * Create the tracepoint static inlines from the kernel to validate that our
  30  * trace event macros match the kernel we run on.
  31  */
  32 #include <trace/events/i2c.h>
  33
  34 /*
  35  * Create LTTng tracepoint probes.
  36  */
  37 #define LTTNG_PACKAGE_BUILD
  38 #define CREATE_TRACE_POINTS
  39 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module
  40
  41 static int extract_sensitive_payload;
  42 module_param(extract_sensitive_payload, int, 0644);
  43 MODULE_PARM_DESC(extract_sensitive_payload,
  44                 "Whether to extract possibly sensitive data from events (i2c "
  45                 "buffer contents) or not (1 or 0, default: 0).");
  46
  47 #include <instrumentation/events/lttng-module/i2c.h>
  48
  49 MODULE_LICENSE("GPL and additional rights");
  50 MODULE_AUTHOR("Simon Marchi <simon.marchi@ericsson.com>");
  51 MODULE_DESCRIPTION("LTTng i2c probes");
  52 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  53         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  54         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  55         LTTNG_MODULES_EXTRAVERSION);