probes/lttng-probe-kvm-x86.c

   1 /*
   2  * probes/lttng-probe-kvm.c
   3  *
   4  * LTTng kvm probes.
   5  *
   6  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; only
  11  * version 2.1 of the License.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #include <linux/module.h>
  24 #include <linux/kvm_host.h>
  25 #include <lttng-tracer.h>
  26 #include <lttng-kernel-version.h>
  27
  28 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0))
  29 #include <kvm/iodev.h>
  30 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0)) */
  31 #include <../../virt/kvm/iodev.h>
  32 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0)) */
  33
  34 /*
  35  * Create the tracepoint static inlines from the kernel to validate that our
  36  * trace event macros match the kernel we run on.
  37  */
  38 #include <trace/events/kvm.h>
  39
  40 #include <wrapper/tracepoint.h>
  41
  42 /*
  43  * Create LTTng tracepoint probes.
  44  */
  45 #define LTTNG_PACKAGE_BUILD
  46 #define CREATE_TRACE_POINTS
  47
  48 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
  49 #include <instrumentation/events/lttng-module/arch/x86/kvm/trace.h>
  50
  51 MODULE_LICENSE("GPL and additional rights");
  52 MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
  53 MODULE_DESCRIPTION("LTTng kvm probes");
  54 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  55         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  56         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  57         LTTNG_MODULES_EXTRAVERSION);