Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! 
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();
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run Phoronix-test-suite automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
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
Trigger cpu_power_management code on LambdaTest Cloud Grid
Execute automation tests with cpu_power_management on a cloud-based Grid of 3000+ real browsers and operating systems for both web and mobile applications.
Test now for FreeTry LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
