probes/lttng-probe-writeback.c

   1 /*
   2  * probes/lttng-probe-writeback.c
   3  *
   4  * LTTng writeback probes.
   5  *
   6  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  * Copyright (C) 2012 Mentor Graphics Corp.
   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/device.h>
  26 #include <linux/mm.h>
  27 #include <lttng-tracer.h>
  28
  29 /*
  30  * Create the tracepoint static inlines from the kernel to validate that our
  31  * trace event macros match the kernel we run on.
  32  */
  33 #include <trace/events/writeback.h>
  34
  35 #include <lttng-kernel-version.h>
  36 #include <wrapper/writeback.h>
  37
  38 /* #if <check version number if global_dirty_limit will be exported> */
  39
  40 #define global_dirty_limit wrapper_global_dirty_limit()
  41
  42 /* #endif <check version number> */
  43
  44 /*
  45  * Create LTTng tracepoint probes.
  46  */
  47 #define LTTNG_PACKAGE_BUILD
  48 #define CREATE_TRACE_POINTS
  49 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module
  50
  51 #include <instrumentation/events/lttng-module/writeback.h>
  52
  53 MODULE_LICENSE("GPL and additional rights");
  54 MODULE_AUTHOR("Andrew Gabbasov <andrew_gabbasov@mentor.com>");
  55 MODULE_DESCRIPTION("LTTng writeback probes");
  56 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  57         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  58         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  59         LTTNG_MODULES_EXTRAVERSION);