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How to use cpu_power_management method of phodevi_cpu class
Best Phoronix-test-suite code snippet using phodevi_cpu.cpu_power_management
phodevi_cpu.php
Source:phodevi_cpu.php 
...33 'physical-core-count' => new phodevi_device_property('cpu_physical_core_count', phodevi::std_caching),34 'thread-count' => new phodevi_device_property('cpu_thread_count', phodevi::std_caching),35 'node-count' => new phodevi_device_property('cpu_node_count', phodevi::smart_caching),36 'scaling-governor' => new phodevi_device_property('cpu_scaling_governor', phodevi::std_caching),37 'power-management' => new phodevi_device_property('cpu_power_management', phodevi::std_caching),38 'microcode-version' => new phodevi_device_property('cpu_microcode_version', phodevi::std_caching),39 'core-family-name' => new phodevi_device_property('get_core_name', phodevi::smart_caching),40 'cache-size' => new phodevi_device_property('cpu_cache_size', phodevi::smart_caching),41 'cache-size-string' => new phodevi_device_property('cpu_cache_size_string', phodevi::smart_caching),42 'smt' => new phodevi_device_property('cpu_smt', phodevi::std_caching),43 'cpu-family' => new phodevi_device_property('get_cpu_family', phodevi::smart_caching),44 'cpu-model' => new phodevi_device_property('get_cpu_model', phodevi::smart_caching),45 );46 }47 public static function cpu_string()48 {49 $model = phodevi::read_property('cpu', 'model');50 // Append the processor frequency to string51 if(($freq = phodevi::read_property('cpu', 'default-frequency')) > 0)52 {53 $model = str_replace($freq . 'GHz', '', $model); // we'll replace it if it's already in the string54 $model .= ' @ ' . $freq . 'GHz';55 }56 $core_count = phodevi::read_property('cpu', 'physical-core-count');57 $thread_count = phodevi::read_property('cpu', 'thread-count');58 if($core_count > 0 && $thread_count > $core_count)59 {60 $count_msg = pts_strings::plural_handler($core_count, 'Core') . ' / ' . $thread_count . ' Threads';61 }62 else63 {64 $count_msg = pts_strings::plural_handler($core_count, 'Core');65 }66 return $model . ' (' . $count_msg . ')';67 }68 public static function cpu_model_and_speed()69 {70 $model = phodevi::read_property('cpu', 'model');71 // Append the processor frequency to string72 if(($freq = phodevi::read_property('cpu', 'default-frequency')) > 0)73 {74 $model = str_replace($freq . 'GHz', '', $model); // we'll replace it if it's already in the string75 $model .= ' @ ' . $freq . 'GHz';76 }77 return $model;78 }79 public static function cpu_core_count()80 {81 $info = null;82 if(($n = getenv('NUM_CPU_CORES')) && is_numeric($n) && $n > 0)83 {84 // NUM_CPU_CORES can be used for overriding the number of exposed cores/threads to tests, matches the name of the env var set by PTS to test scripts85 $info = $n;86 }87 else if(($n = getenv('PTS_NPROC')) && is_numeric($n) && $n > 0)88 {89 // PTS_NPROC can be used for overriding the number of exposed cores/threads to tests90 $info = $n;91 }92 else if(($n = getenv('NUMBER_OF_PROCESSORS')) && is_numeric($n) && $n > 0)93 {94 // Should be used by Windows they have NUMBER_OF_PROCESSORS set and use this as an easy way to override CPUs exposed95 $info = $n;96 }97 else if(phodevi::is_linux())98 {99 $sl = phodevi::read_property('system', 'system-layer');100 if(is_file('/sys/devices/system/cpu/online') && ($sl == null || stripos($sl, 'lxc') === false))101 {102 $present = pts_file_io::file_get_contents('/sys/devices/system/cpu/online');103 if(isset($present[2]) && substr($present, 0, 2) == '0-')104 {105 $present = substr($present, 2);106 if(is_numeric($present))107 {108 $info = $present + 1;109 }110 }111 }112 }113 else if(phodevi::is_solaris())114 {115 $info = count(explode(PHP_EOL, trim(shell_exec('psrinfo'))));116 }117 else if(phodevi::is_bsd())118 {119 $info = intval(phodevi_bsd_parser::read_sysctl(array('hw.ncpufound', 'hw.ncpu')));120 }121 else if(phodevi::is_macos())122 {123 $info = intval(phodevi_bsd_parser::read_sysctl(array('hw.ncpu')));124 if(empty($info))125 {126 $info = phodevi_osx_parser::read_osx_system_profiler('SPHardwareDataType', 'TotalNumberOfCores');127 }128 }129 if(phodevi::is_windows())130 {131 // Should be hit by the first NUMBER_OF_PROCESSORS env check...132 $logical_cores = array_sum(phodevi_windows_parser::get_wmi_object('Win32_Processor', 'NumberOfLogicalProcessors', true));133 if($logical_cores > $info || !is_numeric($info))134 {135 $info = $logical_cores;136 }137 }138 if($info == null && isset(phodevi::$vfs->cpuinfo))139 {140 $info = self::cpuinfo_thread_count();141 }142 return (is_numeric($info) && $info > 0 ? $info : 1);143 }144 public static function cpu_physical_core_count()145 {146 $physical_cores = null;147 if(phodevi::is_linux())148 {149 $physical_cores = phodevi_cpu::cpuinfo_core_count();150 if(empty($physical_cores) || $physical_cores == phodevi::read_property('cpu', 'thread-count'))151 {152 // Needed for POWER9 at least153 if(isset(phodevi::$vfs->lscpu) && ($t = strpos(phodevi::$vfs->lscpu, 'Core(s) per socket:')))154 {155 $lscpu = substr(phodevi::$vfs->lscpu, $t + strlen('Core(s) per socket:') + 1);156 $lscpu = substr($lscpu, 0, strpos($lscpu, PHP_EOL));157 $cores_per_socket = trim($lscpu);158 if($cores_per_socket > 1 && ($t = strpos(phodevi::$vfs->lscpu, 'Socket(s):')))159 {160 $lscpu = substr(phodevi::$vfs->lscpu, $t + strlen('Socket(s):') + 1);161 $lscpu = substr($lscpu, 0, strpos($lscpu, PHP_EOL));162 $sockets = trim($lscpu);163 if(is_numeric($sockets) && $sockets >= 1)164 {165 $physical_cores = $cores_per_socket * $sockets;166 }167 }168 }169 }170 }171 else if(phodevi::is_bsd())172 {173 // hw.cpu_topology_core_ids works at least on DragonFly BSD174 $ht_ids = intval(phodevi_bsd_parser::read_sysctl(array('hw.cpu_topology_ht_ids')));175 if($ht_ids == 2)176 {177 $info = intval(phodevi_bsd_parser::read_sysctl(array('hw.ncpu')));178 if($info > 1)179 {180 $physical_cores = $info / 2;181 }182 }183 else184 {185 $phys_ids = intval(phodevi_bsd_parser::read_sysctl(array('hw.cpu_topology_phys_ids')));186 $physical_cores = intval(phodevi_bsd_parser::read_sysctl(array('hw.cpu_topology_core_ids')));187 if($phys_ids > 0 && ($phys_ids * $physical_cores) <= phodevi::read_property('cpu', 'thread-count') && $physical_cores % 2 == 0)188 {189 $physical_cores = $phys_ids * $physical_cores;190 }191 }192 }193 else if(phodevi::is_macos())194 {195 $physical_cores = intval(phodevi_bsd_parser::read_sysctl(array('hw.physicalcpu')));196 }197 else if(phodevi::is_windows())198 {199 $physical_cores = array_sum(phodevi_windows_parser::get_wmi_object('Win32_Processor', 'NumberOfCores', true));200 }201 if(empty($physical_cores) || !is_numeric($physical_cores))202 {203 $physical_cores = phodevi::read_property('cpu', 'core-count');204 }205 return $physical_cores;206 }207 public static function cpu_thread_count()208 {209 $threads = null;210 if(phodevi::is_linux())211 {212 $threads = phodevi_cpu::cpuinfo_thread_count();213 }214 else215 {216 $threads = phodevi::read_property('cpu', 'core-count');217 }218 return $threads;219 }220 public static function cpu_node_count()221 {222 $node_count = 1;223 if(isset(phodevi::$vfs->lscpu) && ($t = strpos(phodevi::$vfs->lscpu, 'NUMA node(s):')))224 {225 $lscpu = substr(phodevi::$vfs->lscpu, $t + strlen('NUMA node(s):') + 1);226 $lscpu = substr($lscpu, 0, strpos($lscpu, PHP_EOL));227 $node_count = trim($lscpu);228 }229 return (is_numeric($node_count) && $node_count > 0 ? $node_count : 1);230 }231 public static function cpu_cache_size()232 {233 $cache_size = 0; // in KB234 if(phodevi::is_linux())235 {236 if(isset(phodevi::$vfs->lscpu) && ($t = strpos(phodevi::$vfs->lscpu, 'L3 cache:')))237 {238 $lscpu = substr(phodevi::$vfs->lscpu, $t + strlen('L3 cache:') + 1);239 $lscpu = substr($lscpu, 0, strpos($lscpu, PHP_EOL));240 $lscpu = trim($lscpu);241 $cache_size = pts_math::number_with_unit_to_mb($lscpu);242 }243 if(empty($cache_size) || !is_numeric($cache_size))244 {245 $cache_size = self::cpuinfo_cache_size();246 }247 }248 else if(phodevi::is_macos())249 {250 $cache_size = pts_math::number_with_unit_to_mb(phodevi_osx_parser::read_osx_system_profiler('SPHardwareDataType', 'L3Cache'));251 }252 else if(phodevi::is_windows())253 {254 $cache_size = phodevi_windows_parser::get_wmi_object('Win32_Processor', 'L2CacheSize');255 }256 return $cache_size;257 }258 public static function cpu_default_frequency_mhz()259 {260 return self::cpu_default_frequency() * 1000;261 }262 public static function cpu_scaling_governor()263 {264 $scaling_governor = false;265 if(is_file('/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver'))266 {267 $scaling_governor = pts_file_io::file_get_contents('/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver') . ' ';268 }269 if(is_file('/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor'))270 {271 $scaling_governor .= pts_file_io::file_get_contents('/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor');272 }273 if(!empty($scaling_governor))274 {275 $append_notes = array();276 if(is_file('/sys/devices/system/cpu/cpufreq/boost'))277 {278 $boost = pts_file_io::file_get_contents('/sys/devices/system/cpu/cpufreq/boost');279 $boosted = null;280 if($boost === '0')281 {282 $boosted = 'Disabled';283 }284 else if($boost === '1')285 {286 $boosted = 'Enabled';287 }288 if($boosted != null)289 {290 $append_notes[] = 'Boost: ' . $boosted;291 }292 }293 if(is_file('/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference'))294 {295 $epp = pts_file_io::file_get_contents('/sys/devices/system/cpu/cpu0/cpufreq/energy_performance_preference');296 if($epp != null)297 {298 $append_notes[] = 'EPP: ' . $epp;299 }300 }301 if(!empty($append_notes))302 {303 $scaling_governor = trim($scaling_governor) . ' (' . implode(', ', $append_notes) . ')';304 }305 }306 return trim($scaling_governor);307 }308 public static function cpu_power_management()309 {310 $pm = array();311 if(is_file('/sys/firmware/acpi/platform_profile'))312 {313 $platform_profile = pts_file_io::file_get_contents('/sys/firmware/acpi/platform_profile');314 if(!empty($platform_profile))315 {316 $pm[] = 'ACPI Platform Profile: ' . $platform_profile;317 }318 }319 if(is_file('/sys/bus/pci/devices/0000:00:04.0/workload_request/workload_type'))320 {321 // Intel INT340x Workload Type322 $workload_type = pts_file_io::file_get_contents('/sys/bus/pci/devices/0000:00:04.0/workload_request/workload_type');...
cpu_power_management
Using AI Code Generation
1echo phodevi_cpu::cpu_power_management();2echo phodevi_cpu::cpu_power_management();3echo phodevi_cpu::cpu_power_management();4echo phodevi_cpu::cpu_power_management();5echo phodevi_cpu::cpu_power_management();6echo phodevi_cpu::cpu_power_management();7echo phodevi_cpu::cpu_power_management();8echo phodevi_cpu::cpu_power_management();9echo phodevi_cpu::cpu_power_management();10echo phodevi_cpu::cpu_power_management();11echo phodevi_cpu::cpu_power_management();12echo phodevi_cpu::cpu_power_management();13echo phodevi_cpu::cpu_power_management();14echo phodevi_cpu::cpu_power_management();15echo phodevi_cpu::cpu_power_management();16echo phodevi_cpu::cpu_power_management();
cpu_power_management
Using AI Code Generation
1$cpu = new phodevi_cpu();2echo $cpu->cpu_power_management();3$cpu = new p odpvi_cpu();4echoh$opd->cpu_powee_management();5$cu = new phdevi_cpu();6echo $cpu->cpu_po_management();7$cpu = new phodevi_cpu();echo $cpu->cpu_power_management();8echo $cpu->cpu_power_management();9$cpu = ew phodevi_pu();10echo $cpu->cpu_power_management();11$cpu = new phodevi_cpu();12echo $cpu->cpu_power_management();13$cpu = new phodevi_cpu();14echo $cpu->cpu_power_management();15$cpu = new phodevi_cpu();16echo $cpu->cpu_power_management();17$cpu = new phodevi_cpu();18echo $cpu->cpu_power_management();19$cpu = new phodevi_cpu();20echo $cpu->cpu_power_management();21$cpu = new phodevi_cpu();22echo $cpu->cpu_power_management();23$cpu = new phodevi_cpu();24echo $cpu->cpu_power_management();25$cpu = new phodevi_cpu();26echo $cpu->cpu_power_management();
cpu_power_management
Using AI Code Generation
1$cpu_power = new phodevi_cpu();2$cpu_power->cpu_power_management();3$cpu_power = new phodevi_cpu();4$cpu_power->cpu_power_management();5$cpu_power = new phodevi_cpu();6$cpu_power->cpu_power_management();7$cpu_power = new phodevi_cpu();8$cpu_power->cpu_power_management();9$cpu_power = new phodevi_cpu();10$cpu_power->cpu_power_management();11$cpu_power = new phodevi_cpu();12$cpu_power->cpu_power_management();13$cpu_power = new phodevi_cpu();14$cpu_power->cpu_power_management();15$cpu_power = new phodevi_cpu();16$cpu_power->cpu_power_management();17$cpu_power = new phodevi_cpu();18$cpu_power->cpu_power_management();19$cpu_power = new phodevi_cpu();20$cpu_power->cpu_power_management();21$cpu_power = new phodevi_cpu();22$cpu_power->cpu_power_management();23$cpu_power = new phodevi_cpu();24$cpu_power->cpu_power_management();25$cpu_power = new phodevi_cpu();26$cpu_power->cpu_power_management();
cpu_power_management
Using AI Code Generation
1$cpu = new phodevi_cpu();2echo $cpu->cpu_power_management();3$cpu = new phodevi_cpu();4echo $cpu->cpu_power_management();5$cpu = new phodevi_cpu();6echo $cpu->cpu_power_management();7$cpu = new phodevi_cpu();8echo $cpu->cpu_power_management();9$cpu = new phodevi_cpu();10echo $cpu->cpu_power_management();11$cpu = new phodevi_cpu();12echo $cpu->cpu_power_management();13$cpu = new phodevi_cpu();14echo $cpu->cpu_power_management();15$cpu = new phodevi_cpu();16echo $cpu->cpu_power_management();17$cpu = new phodevi_cpu();18echo $cpu->cpu_power_management();19$cpu = new phodevi_cpu();20echo $cpu->cpu_power_management();21$cpu = new phodevi_cpu();22echo $cpu->cpu_power_management();23$cpu = new phodevi_cpu();24echo $cpu->cpu_power_management();
cpu_power_management
Using AI Code Generation
1include 'phodevi.php';2include 'phodevi_cpu.php';3include 'phodevi_linux_parser.php';4$cpu = new phodevi_cpu();5echo $cpu->cpu_power_management();6include 'phodevi.php';7include 'phodevi_cpu.php';
cpu_power_management
Using AI Code Generation
1require_once('/usr/share/php/phodevi/cpu.php');2$cpu_power_management = phodevi_cpu::cpu_power_management();3echo $cpu_power_management;4Please enter your email address herephodevi_linux_parser.php';5$cpu = new phodevi_cpu();6echo $cpu->cpu_power_management();7include 'phodevi.php';8include 'phodevi_cpu.php';9include 'phodevi_linux_parser.php';10$cpu = new phodevi_cpu();11echo $cpu->cpu_power_management();12include 'phodevi.php';13include 'phodevi_cpu.php';14include 'phodevi_linux_parser.php';15$cpu = new phodevi_cpu();16echo $cpu->cpu_power_management();17include 'phodevi.php';18include 'phodevi_cpu.php';19include 'phodevi_linux_parser.php';20$cpu = new phodevi_cpu();21echo $cpu->cpu_power_management();22include 'phodevi.php';23include 'phodevi_cpu.php';24include 'phodevi_linux_parser.php';25$cpu = new phodevi_cpu();26echo $cpu->cpu_power_management();27include 'phodevi.php';
cpu_power_management
Using AI Code Generation
1require_once '/usr/share/php/phodevi.php';2echo phodevi_cpu::cpu_power_management();3require_once '/usr/share/php/phodevi.php';4echo phodevi_cpu::cpu_power_management();5require_once '/usr/share/php/phodevi.php';6echo phodevi_cpu::cpu_power_management();7require_once '/usr/share/php/phodevi.php';8echo phodevi_cpu::cpu_power_management();9require_once '/usr/share/php/phodevi.php';10echo phodevi_cpu::cpu_power_management();11require_once '/usr/share/php/phodevi.php';12echo phodevi_cpu::cpu_power_management();13require_once '/usr/share/php/phodevi.php';14echo phodevi_cpu::cpu_power_management();
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Most used method in phodevi_cpu
- properties
- cpu_string
- cpu_model_and_speed
- cpu_core_count
- cpu_physical_core_count
- cpu_thread_count
- cpu_node_count
- cpu_cache_size
- cpu_default_frequency_mhz
- cpu_scaling_governor
- cpu_power_management
- cpu_smt
- is_genuine
- cpu_microcode_version
- cpu_default_frequency
- cpu_model
- get_cpu_feature_constants
- prominent_cpu_features
- interesting_instructions
- interesting_instructions_names
- prominent_cpu_bugs
- get_cpu_family
- get_cpu_model
- get_core_name
- get_cpu_feature_constant
- read_cpuinfo_line
- read_cpuinfo_line_multi
- set_cpu_feature_flags
- get_cpu_flags
- instruction_set_extensions
- virtualization_technology
- lscpu_l2_cache
- cpuinfo_core_count
- cpuinfo_thread_count
- cpuinfo_cache_size
- cpu_cache_size_string
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