probes/lttng-probe-kvm-x86.c

   1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
   2  *
   3  * probes/lttng-probe-kvm.c
   4  *
   5  * LTTng kvm probes.
   6  *
   7  * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  */
   9
  10 #include <linux/module.h>
  11 #include <linux/kvm_host.h>
  12 #include <lttng/tracer.h>
  13 #include <lttng/kernel-version.h>
  14
  15 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,7,0))
  16 #include <kvm_emulate.h>
  17 #endif
  18
  19 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0))
  20 #include <kvm/iodev.h>
  21 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0)) */
  22 #include <../../virt/kvm/iodev.h>
  23 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,1,0)) */
  24
  25 /*
  26  * Create the tracepoint static inlines from the kernel to validate that our
  27  * trace event macros match the kernel we run on.
  28  */
  29 #include <trace/events/kvm.h>
  30
  31 #include <wrapper/tracepoint.h>
  32
  33 /*
  34  * Create LTTng tracepoint probes.
  35  */
  36 #define LTTNG_PACKAGE_BUILD
  37 #define CREATE_TRACE_POINTS
  38
  39 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
  40 #include <instrumentation/events/lttng-module/arch/x86/kvm/trace.h>
  41
  42 MODULE_LICENSE("GPL and additional rights");
  43 MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
  44 MODULE_DESCRIPTION("LTTng kvm probes");
  45 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  46         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  47         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  48         LTTNG_MODULES_EXTRAVERSION);