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