| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| # This script shows example usage of damo for access-aware weighted |
| # interleaving. The script assumes the system has two NUMA nodes of id 0 and 1. |
| # The script asks DAMON to interleave hot pages of the target process, passed |
| # as the first command line argument of this script, at a 1:1 ratio between |
| # nodes 0 and 1. |
| # |
| # To run this, the kernel should have the weighted interleaving support of |
| # DAMON[1], which is expected to land into mainline in v6.17-rc1. |
| # |
| # [1] https://lore.kernel.org/r/20250709005952.17776-1-bijan311@gmail.com/ |
| |
| set -e |
| |
| bindir=$(realpath $(dirname "$0")) |
| damo_bin="$bindir/../damo" |
| target_proc=$1 |
| |
| if [ ! -f "$damo_bin" ] |
| then |
| echo "damo not found at $damo_bin" |
| exit 1 |
| fi |
| |
| "$damo_bin" start \ |
| --target_pid $target_proc --ops vaddr \ |
| --monitoring_intervals_goal 4% 3 5ms 10s \ |
| --damos_action migrate_hot 0 1 1 1 --damos_access_rate 5% max \ |
| --damos_apply_interval 1s \ |
| --damos_quota_interval 1s --damos_quota_space 200MB \ |
