linux:debug
Differences
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linux:debug [2021/03/11 02:08] tkilla created |
linux:debug [2021/03/11 02:15] tkilla [High Load] |
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| ====== Debug ====== | ====== Debug ====== | ||
| - | Generic Tools to find root causes of problems | + | Check the logs |
| dmesg -Hw # Human readable, follow | dmesg -Hw # Human readable, follow | ||
| tail -f / | tail -f / | ||
| tail -f / | tail -f / | ||
| + | |||
| + | |||
| + | ===== Out of Memory Problems ===== | ||
| Check RAM usage. Yes, it's always full, but space in " | Check RAM usage. Yes, it's always full, but space in " | ||
| free -m | free -m | ||
| - | | + | Show all Processes, sorted by virtual sizes (incl. shared libraries) |
| + | ps awwlx --sort=vsz | ||
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| - | ==== Tools to debug High Load ==== | ||
| === Check load === | === Check load === | ||
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| This outputs the state of each process. Specially D is intereting (but also R): | This outputs the state of each process. Specially D is intereting (but also R): | ||
| - | D Marks a process in disk (or other short term, uninterruptible) wait. | + | * D Marks a process in disk (or other short term, uninterruptible) wait. |
| - | R Marks a runnable process | + | |
| ... | ... | ||
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| * https:// | * https:// | ||
| - | * | + | * https:// |
linux/debug.txt · Last modified: 2021/05/03 13:18 by tkilla
