php 函数追踪扩展 phptrace

php 函数追踪扩展 phptrace

介绍#

phptrace 是一个低开销的用于跟踪、分析 php 运行情况的工具。
它可以跟踪 php 在运行时的函数调用、请求信息、执行流程、并且提供有过滤器、统计信息、当前状态等实用功能。
在任何环境下,它都能很好的定位阻塞的问题以及在高负载下进行 denbug
官方源码:https://github.com/Qihoo360/phptrace。

安装#

pecl 方式安装#

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$ pecl install trace

源码方式安装#

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$ wget https://pecl.php.net/get/trace-1.0.0.tgz # 下载源码 $ tar -xf trace-1.0.0.tgz # 解压文件 $ cd trace-1.0.0/extension # 进入扩展目录

源码编译#

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$ whereis php-config # 找到 php-config 的路径 $ phpize $ ./configure --with-php-config=/usr/bin/php-config # 这里的 --with-php-config 是上一步找到的路径 $ make # 编辑 $ make test # 编译测试 $ make cli # 命令行工具 $ make install-all # 安装 php 扩展,命令行工具到 php 目录

修改 php.ini#

php.ini 配置文件中增加以下配置信息。

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[phptrace] extension=trace.so phptrace.enabled=1

注:修改 php.ini 后,需要手动重启 php-fpm

检查是否生效#

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root@639ca1f15214:~# php -m | grep trace trace

实际测试#

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root@639ca1f15214:/var/www# php -r 'for ($i = 0; $i < 20; $i++) { sleep(5); }' & [1] 361 root@639ca1f15214:/var/www# phptrace -p $! process attached [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.001s 5.001s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.000s 5.000s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.000s 5.000s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 4.966s 4.966s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.000s 5.000s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.002s 5.002s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.001s 5.001s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.002s 5.002s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.001s 5.001s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 4.966s 4.966s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.000s 5.000s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.003s 5.003s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.000s 5.000s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.001s 5.001s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 5.001s 5.001s [pid 361] > sleep(5) called at [Command line code:1] [pid 361] < sleep(5) = 0 called at [Command line code:1] ~ 4.967s 4.967s [pid 361]> swoole_call_user_shutdown_begin() called at [(null):0] [pid 361]< swoole_call_user_shutdown_begin() = true called at [(null):0] ~ 0.000s -79.912s [pid 361]< cli php for ($i = 0; $i < 20; $i++) { sleep(5); } process detached
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