From 020312788bb805a0eb7281f464f9e6a4cdbd6378 Mon Sep 17 00:00:00 2001
From: Andrej Babic <andrej.babic@psi.ch>
Date: Tue, 12 May 2020 11:58:34 +0200
Subject: [PATCH] Start sf_buffer in separate cpuset

---
 README.md                     | 2 ++
 scripts/JF07-buffer-worker.sh | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 061555a..3afcbe8 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ https://blog.cloudflare.com/how-to-achieve-low-latency/
 https://opensource.com/article/19/2/fair-scheduling-linux
 - Caching and Buffering in HDF5
 https://de.slideshare.net/HDFEOS/caching-and-buffering-in-hdf5
+- Cpusets
+https://www.kernel.org/doc/Documentation/cgroup-v1/cpusets.txt
 
 
 
diff --git a/scripts/JF07-buffer-worker.sh b/scripts/JF07-buffer-worker.sh
index cec237f..507e013 100644
--- a/scripts/JF07-buffer-worker.sh
+++ b/scripts/JF07-buffer-worker.sh
@@ -8,6 +8,9 @@ fi
 
 M=$1
 
+# Add ourselves to the user cpuset.
+echo $$ > /sys/fs/cgroup/cpuset/user/tasks
+
 #8 udp2buffer workers per core
 #coreAssociatedBuffer=(1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4)
 #4 udp2buffer workers per core