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DAMON user-space tool

Project description

DAMO: DAMon Operator

This directory contains a user space tool for DAMON, namely damo. Using the tool, you can monitor the data access patterns of your system and make data access-aware memory management optimizations.

Demo Video

Please click below thumbnail to show the short demo video.

DAMON: a demo for the Kernel Summit 2020

Getting Started

Follow below instructions and commands to monitor and visualize the access pattern of your workload.

$ # build the kernel with CONFIG_DAMON_*=y, install, reboot
$ sudo mount -t debugfs none /sys/kernel/debug/
$ sudo pip3 install damo
$ damo record $(pidof <your workload>)
$ damo report heats --plot stdout --stdout_heatmap_color emotion

The last command will show the access pattern of your workload, like below:

masim zigzag heatmap in ascii masim stairs heatmap in ascii

For more detailed usage, please refer to USAGE.md.

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