strace_php-fpm
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| strace_php-fpm [2016/11/04 19:54] – luke7858 | strace_php-fpm [2017/07/28 06:41] (current) – luke7858 | ||
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| === Strace === | === Strace === | ||
| The following command straces all php-fpm processes and places the output in separate files for each process: | The following command straces all php-fpm processes and places the output in separate files for each process: | ||
| + | \\ | ||
| + | Most appropriate command with good timestamps: | ||
| + | <sxh bash> | ||
| + | strace -ff -r -o / | ||
| + | </ | ||
| + | or | ||
| <sxh bash> | <sxh bash> | ||
| strace -ff -tt -o / | strace -ff -tt -o / | ||
| Line 6: | Line 12: | ||
| \\ | \\ | ||
| ^ Flag ^ Definition ^ | ^ Flag ^ Definition ^ | ||
| + | | -r | Print relative timestamp upon entry to each sys call. Records the difference between the beginning of successive system calls | | ||
| | -tt | Time printed will include microseconds | | -tt | Time printed will include microseconds | ||
| | -o | Output file | | | -o | Output file | | ||
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