src/probes/lttng-probe-kvm-x86-mmu.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(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 #include <../../arch/x86/kvm/mmu/mmu_internal.h>
  29 #include <../../arch/x86/kvm/mmu/mmutrace.h>
  30 #else
  31 #include <../../arch/x86/kvm/mmutrace.h>
  32 #endif
  33
  34 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0))
  35 #include <../arch/x86/kvm/mmu.h>
  36 #include <../arch/x86/kvm/mmu/spte.h>
  37 #endif
  38
  39 #undef TRACE_INCLUDE_PATH
  40 #undef TRACE_INCLUDE_FILE
  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/arch/x86/kvm
  49 #include <instrumentation/events/arch/x86/kvm/mmutrace.h>
  50
  51 MODULE_LICENSE("GPL and additional rights");
  52 MODULE_AUTHOR("Mathieu Desnoyers <mathieu.desnoyers@efficios.com>");
  53 MODULE_DESCRIPTION("LTTng kvm mmu 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);