+++
date    = "2023-12-13T00:32:06+00:00"
lastmod = "2023-12-13T00:32:06+00:00"
tags    = [ "linux" ]
+++

Are the caches warmed up? [vmtouch](https://hoytech.com/vmtouch/) and
[fincore](https://code.google.com/archive/p/linux-ftools/) are two useful
programs.

What do they do? Basically, one can peek at what's been
[cached into memory](https://hoytech.com/vmtouch/#:~:text=Examples). I somehow
ended up re--looking into this today. The Linux kernel is intelligent.