.. _pgfault:

========================
Page Fault
========================

参考
======

- `Understanding page faults and memory swap-in/outs: when should you worry? <https://scoutapm.com/blog/understanding-page-faults-and-memory-swap-in-outs-when-should-you-worry>`_
- `Understanding and troubleshooting page faults and memory swapping <https://www.site24x7.com/learn/linux/page-faults-memory-swapping.html>`_
- `What is the exact difference between the parameters (pgpgin, pswpin) and (pswpout, pgpgout) in /proc/vmstat? <https://superuser.com/questions/785447/what-is-the-exact-difference-between-the-parameters-pgpgin-pswpin-and-pswpou>`_
- `What is a page fault and why you should be aware of it? <https://www.learnsteps.com/what-is-a-page-fault-and-why-you-should-be-aware-of-it/>`_