VirtualBox

source: vbox/trunk/src/VBox/Main/src-server/CPUProfileImpl.cpp@ 98351

Last change on this file since 98351 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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File size: 4.0 KB
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1/* $Id: CPUProfileImpl.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * VirtualBox Main - interface for CPU profiles, VBoxSVC.
4 */
5
6/*
7 * Copyright (C) 2020-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#include "CPUProfileImpl.h"
33
34#include <VBox/vmm/cpum.h>
35#include <iprt/x86.h>
36#include "AutoCaller.h"
37
38
39DEFINE_EMPTY_CTOR_DTOR(CPUProfile)
40
41/**
42 * Called by ComObjPtr::createObject when creating the object.
43 *
44 * Just initialize the basic object state, do the rest in initFromDbEntry().
45 *
46 * @returns S_OK.
47 */
48HRESULT CPUProfile::FinalConstruct()
49{
50 m_enmArchitecture = CPUArchitecture_Any;
51 return BaseFinalConstruct();
52}
53
54/**
55 * Initializes the CPU profile from the given CPUM CPU database entry.
56 *
57 * @returns COM status code.
58 * @param a_pDbEntry The CPU database entry.
59 */
60HRESULT CPUProfile::initFromDbEntry(PCCPUMDBENTRY a_pDbEntry) RT_NOEXCEPT
61{
62 AutoInitSpan autoInitSpan(this);
63 AssertReturn(autoInitSpan.isOk(), E_FAIL);
64
65 /*
66 * Initialize our private data.
67 */
68
69 /* Determin x86 or AMD64 by scanning the CPUID leaves for the long mode feature bit: */
70 m_enmArchitecture = CPUArchitecture_x86;
71 uint32_t iLeaf = a_pDbEntry->cCpuIdLeaves;
72 while (iLeaf-- > 0)
73 if (a_pDbEntry->paCpuIdLeaves[iLeaf].uLeaf <= UINT32_C(0x80000001))
74 {
75 if ( a_pDbEntry->paCpuIdLeaves[iLeaf].uLeaf == UINT32_C(0x80000001)
76 && (a_pDbEntry->paCpuIdLeaves[iLeaf].uEdx & X86_CPUID_EXT_FEATURE_EDX_LONG_MODE))
77 m_enmArchitecture = CPUArchitecture_AMD64;
78 break;
79 }
80
81 HRESULT hrc = m_strName.assignEx(a_pDbEntry->pszName);
82 if (SUCCEEDED(hrc))
83 hrc = m_strFullName.assignEx(a_pDbEntry->pszFullName);
84
85 /*
86 * Update the object state.
87 */
88 if (SUCCEEDED(hrc))
89 autoInitSpan.setSucceeded();
90 else
91 autoInitSpan.setFailed(hrc);
92 return hrc;
93}
94
95/**
96 * COM cruft.
97 */
98void CPUProfile::FinalRelease()
99{
100 uninit();
101 BaseFinalRelease();
102}
103
104/**
105 * Do the actual cleanup.
106 */
107void CPUProfile::uninit()
108{
109 AutoUninitSpan autoUninitSpan(this);
110}
111
112/**
113 * Used by SystemProperties::getCPUProfiles to do matching.
114 */
115bool CPUProfile::i_match(CPUArchitecture_T a_enmArchitecture, CPUArchitecture_T a_enmSecondaryArch,
116 const com::Utf8Str &a_strNamePattern) const RT_NOEXCEPT
117{
118 if ( m_enmArchitecture == a_enmArchitecture
119 || m_enmArchitecture == a_enmSecondaryArch)
120 {
121 if (a_strNamePattern.isEmpty())
122 return true;
123 return RTStrSimplePatternMatch(a_strNamePattern.c_str(), m_strName.c_str());
124 }
125 return false;
126}
127
128
129HRESULT CPUProfile::getName(com::Utf8Str &aName)
130{
131 return aName.assignEx(m_strName);
132}
133
134HRESULT CPUProfile::getFullName(com::Utf8Str &aFullName)
135{
136 return aFullName.assignEx(m_strFullName);
137}
138
139HRESULT CPUProfile::getArchitecture(CPUArchitecture_T *aArchitecture)
140{
141 *aArchitecture = m_enmArchitecture;
142 return S_OK;
143}
144
145
146/* vi: set tabstop=4 shiftwidth=4 expandtab: */
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