Matlab实现采集电脑的CPU等硬件信息

function info = cpuinfo()
% CPU数据采集
%
%   信息= CPUINFO()返回一个包含不同的结构
%  中央处理器和操作系统信息由/proc/cpu提供
%   (Unix)sysctl(Mac)或WMIC(Windows)。
%     * CPU name
%     *CPU的时钟频率
%     * CPU缓存大小 (L2)
%     *物理CPU核心
%     * 操作系统的名称和版本
%
%   参见:计算机、ISUNIX ISMAC


if isunix % 判断matlab的版本 UNIX 
    if ismac % 判断matlab的版本 Mac
        info = cpuInfoMac();
    else
        info = cpuInfoUnix();
    end
else
    info = cpuInfoWindows(); 
end


%-------------------------------------------------------------------------%
function info = cpuInfoWindows()
sysInfo = callWMIC( 'cpu' );
osInfo = callWMIC( 'os' );

info = struct( ...
    'Name', sysInfo.Name, ...
    'Clock', [sysInfo.MaxClockSpeed,' MHz'], ...
    'Cache', [sysInfo.L2CacheSize,' KB'], ...
    'NumProcessors', str2double( sysInfo.NumberOfCores ), ...
    'OSType', 'Windows', ...
    'OSVersion', osInfo.Caption ); %输出的字符串结构

%---------------------111111----------------------------------------------------%
function info = callWMIC( alias )
% 呼叫ms - dos WMIC(Windows管理)命令
olddir = pwd();  %显示当前文件夹
cd( tempdir );  % 计算机目录
sysinfo = evalc( sprintf( '!wmic %s get /value', alias ) ); %得到计算机的参数
cd( olddir );
fields = textscan( sysinfo, '%s', 'Delimiter', '\n' ); fields = fields{1};%生成cell 数据处理
fields( cellfun( 'isempty', fields ) ) = [];
% 每一行有“字段=值”,所以分开
values = cell( size( fields ) );
for ff=1:numel( fields )
    idx = find( fields{ff}=='=', 1, 'first' ); %找到一个first字符串
    if ~isempty( idx ) && idx>1
        values{ff} = strtrim( fields{ff}(idx+1:end) ); %字符串分割
        fields{ff} = strtrim( fields{ff}(1:idx-1) );
    end
end

% 删除任何重复（仅适用于双插槽电脑，我们将假设所有插座有相同的处理器）。
numResults = sum( strcmpi( fields, fields{1} ) );
if numResults>1
    % 计算核数
    numCoresEntries = find( strcmpi( fields, 'NumberOfCores' ) );
    if ~isempty( numCoresEntries )
        cores = cellfun( @str2double, values(numCoresEntries) );
        values(numCoresEntries) = {num2str( sum( cores ) )};
    end
    % 去掉重复结果
    [fields,idx] = unique(fields,'first');
    values = values(idx);
end

% 数据转换
info = cell2struct( values, fields );

%-------------------22222222------------------------------------------------------%
function info = cpuInfoMac()  %Mac和window类似
machdep = callSysCtl( 'machdep.cpu' );
hw = callSysCtl( 'hw' );
info = struct( ...
    'Name', machdep.brand_string, ...
    'Clock', [num2str(str2double(hw.cpufrequency_max)/1e6),' MHz'], ...
    'Cache', [machdep.cache.size,' KB'], ...
    'NumProcessors', str2double( machdep.core_count ), ...
    'OSType', 'Mac OS/X', ...
    'OSVersion', getOSXVersion() );

%-------------------------------------------------------------------------%
function info = callSysCtl( namespace )
infostr = evalc( sprintf( '!sysctl -a %s', namespace ) );
% Remove the prefix
infostr = strrep( infostr, [namespace,'.'], '' ); %字符串
% Now break into a structure
infostr = textscan( infostr, '%s', 'delimiter', '\n' );
infostr = infostr{1};
info = struct();
for ii=1:numel( infostr )
    colonIdx = find( infostr{ii}==':', 1, 'first' );
    if isempty( colonIdx ) || colonIdx==1 || colonIdx==length(infostr{ii})
        continue
    end
    prefix = infostr{ii}(1:colonIdx-1);
    value = strtrim(infostr{ii}(colonIdx+1:end));
    while ismember( '.', prefix )
        dotIndex = find( prefix=='.', 1, 'last' );
        suffix = prefix(dotIndex+1:end);
        prefix = prefix(1:dotIndex-1);
        value = struct( suffix, value );
    end
    info.(prefix) = value;
    
end

%-------------------3333333333------------------------------------------------------%
function vernum = getOSXVersion()%版本号
% 提取系统软件版本的操作系统版本号输出
ver = evalc('system(''sw_vers'')');%版本 执行matlab字符串 软件版本信息
vernum = regexp(ver, 'ProductVersion:\s([1234567890.]*)', 'tokens', 'once');%对字符串进行查找替换
vernum = strtrim(vernum{1});

%-------------------------------------------------------------------------%
function info = cpuInfoUnix()
txt = readCPUInfo();
cpuinfo = parseCPUInfoText( txt );

txt = readOSInfo();
osinfo = parseOSInfoText( txt );

% Merge the structures
info = cell2struct( [struct2cell( cpuinfo );struct2cell( osinfo )], ...
    [fieldnames( cpuinfo );fieldnames( osinfo )] );

%-------------------------------------------------------------------------%
function info = parseCPUInfoText( txt )
% Now parse the fields
lookup = {
    'model name', 'Name'
    'cpu Mhz', 'Clock'
    'cpu cores', 'NumProcessors'
    'cache size', 'Cache'
    };
info = struct( ...
    'Name', {''}, ...
    'Clock', {''}, ...
    'Cache', {''} );
for ii=1:numel( txt )
    if isempty( txt{ii} )
        continue;
    end
    % Look for the colon that separates the property name from the value
    colon = find( txt{ii}==':', 1, 'first' );
    if isempty( colon ) || colon==1 || colon==length( txt{ii} )
        continue;
    end
    fieldName = strtrim( txt{ii}(1:colon-1) );
    fieldValue = strtrim( txt{ii}(colon+1:end) );
    if isempty( fieldName ) || isempty( fieldValue )
        continue;
    end
    
    % Is it one of the fields we're interested in?
    idx = find( strcmpi( lookup(:,1), fieldName ) );
    if ~isempty( idx )
        newName = lookup{idx,2};
        info.(newName) = fieldValue;
    end
end

% Convert clock speed
info.Clock = [info.Clock, ' MHz'];

% Convert num cores
info.NumProcessors = str2double( info.NumProcessors );

%-----------------444444--------------------------------------------------------%
function info = parseOSInfoText( txt )
info = struct( ...
    'OSType', 'Linux', ...
    'OSVersion', '' );
% find the string "linux version" then look for the bit in brackets
[~,b] = regexp( txt, '[^\(]*\(([^\)]*)\).*', 'match', 'tokens', 'once' );
info.OSVersion = b{1}{1};

%-------------------------------------------------------------------------%
function txt = readCPUInfo()

fid = fopen( '/proc/cpuinfo', 'rt' );
if fid<0
    error( 'cpuinfo:BadPROCCPUInfo', 'Could not open /proc/cpuinfo for reading' );
end
onCleanup( @() fclose( fid ) );

txt = textscan( fid, '%s', 'Delimiter', '\n' );
txt = txt{1};

%-------------------------------------------------------------------------%
function txt = readOSInfo()

fid = fopen( '/proc/version', 'rt' );
if fid<0
    error( 'cpuinfo:BadProcVersion', 'Could not open /proc/version for reading' );
end
onCleanup( @() fclose( fid ) );
txt = textscan( fid, '%s', 'Delimiter', '\n' );
txt = txt{1};

>> info = cpuinfo()

info = 

  包含以下字段的 struct:

             Name: '12th Gen Intel(R) Core(TM) i5-12500H'
            Clock: '2500 MHz'
            Cache: '9216 KB'
    NumProcessors: 12
           OSType: 'Windows'
        OSVersion: 'Microsoft Windows 11 家庭中文版'