probes/lttng-probe-kvm-x86-mmu.c

   1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
   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(4,1,0))
  16 #include <kvm/iodev.h>
  17 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,1,0)) */
  18 #include <../../virt/kvm/iodev.h>
  19 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,1,0)) */
  20
  21 /*
  22  * Create the tracepoint static inlines from the kernel to validate that our
  23  * trace event macros match the kernel we run on.
  24  */
  25 #include <wrapper/tracepoint.h>
  26
  27 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
  28         LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
  29 #include <../../arch/x86/kvm/mmu/mmu_internal.h>
  30 #include <../../arch/x86/kvm/mmu/mmutrace.h>
  31 #else
  32 #include <../../arch/x86/kvm/mmutrace.h>
  33 #endif
  34
  35 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \
  36         LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
  37 #include <../arch/x86/kvm/mmu.h>
  38 #include <../arch/x86/kvm/mmu/spte.h>
  39 #endif
  40
  41 #undef TRACE_INCLUDE_PATH
  42 #undef TRACE_INCLUDE_FILE
  43
  44 /*
  45  * Create LTTng tracepoint probes.
  46  */
  47 #define LTTNG_PACKAGE_BUILD
  48 #define CREATE_TRACE_POINTS
  49
  50 #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm
  51 #include <instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h>
  52
  53 MODULE_LICENSE("GPL and additional rights");
  54 MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
  55 MODULE_DESCRIPTION("LTTng kvm mmu 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);