src/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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0) || \
  16         LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,15,1, 4,19,0,0,0,0))
  17 #include <kvm_emulate.h>
  18 #endif
  19
  20 #include <kvm/iodev.h>
  21
  22 /*
  23  * Create the tracepoint static inlines from the kernel to validate that our
  24  * trace event macros match the kernel we run on.
  25  */
  26 #include <trace/events/kvm.h>
  27
  28 #include <wrapper/tracepoint.h>
  29
  30 /*
  31  * Create LTTng tracepoint probes.
  32  */
  33 #define LTTNG_PACKAGE_BUILD
  34 #define CREATE_TRACE_POINTS
  35
  36 #define TRACE_INCLUDE_PATH instrumentation/events/arch/x86/kvm
  37 #include <instrumentation/events/arch/x86/kvm/trace.h>
  38
  39 MODULE_LICENSE("GPL and additional rights");
  40 MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
  41 MODULE_DESCRIPTION("LTTng kvm probes");
  42 MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
  43         __stringify(LTTNG_MODULES_MINOR_VERSION) "."
  44         __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
  45         LTTNG_MODULES_EXTRAVERSION);