witersen
3 years ago
2 changed files with 58 additions and 183 deletions
@ -1,120 +0,0 @@
@@ -1,120 +0,0 @@
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<?php |
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function detect() |
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{ |
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/** |
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* ----------负载计算开始---------- |
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*/ |
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$laodavg = shell_exec("cat /proc/loadavg | awk '{print $1,$2,$3}'"); |
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$laodavgArray = explode(' ', $laodavg); |
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//获取CPU15分钟前到现在的负载平均值 |
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$cpuLoad15Min = (float)trim($laodavgArray[2]); |
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//获取CPU5分钟前到现在的负载平均值 |
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$cpuLoad5Min = (float)trim($laodavgArray[1]); |
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//获取CPU1分钟前到现在的负载平均值 |
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$cpuLoad1Min = (float)trim($laodavgArray[0]); |
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//获取cpu总核数 |
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$cpuCount = shell_exec('grep -c "model name" /proc/cpuinfo'); |
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$cpuCount = (int)trim($cpuCount); |
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//一分钟的平均负载 / （cpu总核数 * 2），超过100则为100 不超100为真实值取整 |
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$percent = round($cpuLoad1Min / ($cpuCount * 2) * 100, 1); |
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if ($percent > 100) { |
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$percent = 100; |
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} |
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/** |
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* ----------负载计算结束---------- |
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*/ |
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$data['load'] = $percent; |
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/** |
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* ----------cpu计算开始---------- |
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*/ |
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/** |
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* cpu使用率 |
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* |
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* %Cpu(s): 0.0 us, 3.2 sy, 0.0 ni, 96.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st |
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* |
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* us user CPU time 用户空间占用CPU百分比 |
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* sy system CPU time 内核空间占用CPU百分比 |
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* ni nice CPU 用户进程空间内改变过优先级的进程占用CPU百分比 |
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* id idle 空闲CPU百分比 |
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* wa iowait 等待输入输出的CPU时间百分比 |
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* hi hardware 硬件中断 |
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* si software 软件中断 |
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* st steal 实时 |
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*/ |
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$topResult = shell_exec('top -b -n 1 | grep Cpu'); |
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preg_match('/ni,(.*?)id/', $topResult, $matches); |
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$id = 100 - (float)trim($matches[1]); |
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//cpu型号 |
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$cpuModelArray = []; |
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$cpuModelName = shell_exec("cat /proc/cpuinfo | grep 'model name' | uniq"); |
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$explodeArray = explode("\n", trim($cpuModelName)); |
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foreach ($explodeArray as $value) { |
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if (trim($value) != '') { |
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$tempArray = explode(':', $value); |
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array_push($cpuModelArray, trim($tempArray[1])); |
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} |
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} |
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//物理cpu个数 |
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$cpuPhysical = shell_exec("cat /proc/cpuinfo | grep 'physical id' | sort -u | wc -l"); |
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$cpuPhysical = (int)trim($cpuPhysical); |
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//每个物理cpu的物理核心数 |
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$cpuPhysicalCore = shell_exec("cat /proc/cpuinfo | grep 'cpu cores' | wc -l"); |
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$cpuPhysicalCore = (int)trim($cpuPhysicalCore); |
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//总物理核心数 = 物理cpu个数 * 每个物理cpu的物理核心数（每个物理cpu的物理核心数都一样吗？） |
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$cpuCore = $cpuPhysical * $cpuPhysicalCore; |
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//逻辑核心总数（线程总数） |
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$cpuProcessor = shell_exec("cat /proc/cpuinfo | grep 'processor' | wc -l"); |
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$cpuProcessor = (int)trim($cpuProcessor); |
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/** |
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* ----------cpu计算结束---------- |
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*/ |
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$data['cpu'] = round($id, 1); |
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/** |
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* ----------内存计算开始---------- |
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*/ |
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/** |
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* MemTotal 总内存 |
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* MemFree 空闲内存 |
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* MemAvailable 可用内存（MemFree + 可回收的内存），系统中有些内存虽然已被使用但是可以回收，比如cache、buffer、slab都有一部分可以回收 |
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*/ |
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//物理内存总量 |
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$memTotal = shell_exec("cat /proc/meminfo | grep 'MemTotal' | awk '{print $2}'"); |
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$memTotal = (int)trim($memTotal); |
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//操作系统可用内存总量（没有使用空闲内存） |
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$memFree = shell_exec("cat /proc/meminfo | grep 'MemAvailable' | awk '{print $2}'"); |
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$memFree = (int)trim($memFree); |
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//操作系统已使用内存总量 |
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$memUsed = $memTotal - $memFree; |
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//内存使用率 |
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$percent = round($memUsed / $memTotal * 100, 1); |
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/** |
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* ----------内存计算结束---------- |
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*/ |
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$data['mem'] = $percent; |
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print_r($data); |
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} |
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for (;;) { |
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detect(); |
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sleep(1); |
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} |
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