From 8bf9a3c82d7b87e45d7ecacd32c37b429dfa93a6 Mon Sep 17 00:00:00 2001
From: Jason Pell <jason@pellcorp.com>
Date: Thu, 18 Dec 2025 16:25:47 +1100
Subject: [PATCH] for pip install forcefully only build on 2 cores on a rpi3

---
 rpi/install-klipper.sh |  7 ++++++-
 rpi/installer.sh       | 14 ++++++++++----
 2 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/rpi/install-klipper.sh b/rpi/install-klipper.sh
index 59c65ec1..635c4829 100755
--- a/rpi/install-klipper.sh
+++ b/rpi/install-klipper.sh
@@ -127,7 +127,12 @@ if [ $? -ne 0 ]; then
       if [ $? -ne 0 ]; then
           retry sudo apt-get install --yes wget; error
       fi
-      wget -O - https://raw.githubusercontent.com/Frix-x/klippain-shaketune/main/install.sh | bash
+      curl -s -L https://raw.githubusercontent.com/Frix-x/klippain-shaketune/main/install.sh -o /tmp/install.sh || exit $?
+      chmod 777 /tmp/install.sh
+
+      # leave 2 cores to avoid overwhelming the device
+      taskset -c 0-$(($(nproc) - 3)) /tmp/install.sh
+      rm /tmp/install.sh
     fi
   fi
 
diff --git a/rpi/installer.sh b/rpi/installer.sh
index de07385c..9a727025 100755
--- a/rpi/installer.sh
+++ b/rpi/installer.sh
@@ -258,7 +258,8 @@ function install_cartographer_klipper() {
 
         echo
         echo "INFO: Running cartographer-klipper installer ..."
-        bash $BASEDIR/cartographer-klipper/install.sh || exit $?
+        # leave 2 cores to avoid overwhelming the device
+        taskset -c 0-$(($(nproc) - 3)) $BASEDIR/cartographer-klipper/install.sh || exit $?
         $BASEDIR/klippy-env/bin/python3 -m compileall $BASEDIR/klipper/klippy || exit $?
 
         echo "cartographer-klipper" >> $BASEDIR/pellcorp.done
@@ -285,7 +286,12 @@ function install_cartographer_plugin() {
         fi
 
         if [ ! -f $BASEDIR/klipper/klippy/extras/cartographer.py ]; then
-            curl -s -L https://raw.githubusercontent.com/Cartographer3D/cartographer3d-plugin/refs/heads/main/scripts/install.sh | bash || exit $?
+          curl -s -L https://raw.githubusercontent.com/Cartographer3D/cartographer3d-plugin/refs/heads/main/scripts/install.sh -o /tmp/install.sh || exit $?
+          chmod 777 /tmp/install.sh
+
+          # leave 2 cores to avoid overwhelming the device
+          taskset -c 0-$(($(nproc) - 3)) /tmp/install.sh
+          rm /tmp/install.sh
         fi
 
         echo "cartographer-plugin" >> $BASEDIR/pellcorp.done
@@ -310,8 +316,8 @@ function install_beacon_klipper() {
             git clone https://github.com/beacon3d/beacon_klipper $BASEDIR/beacon-klipper || exit $?
         fi
 
-        $BASEDIR/pellcorp/tools/beacon-install.sh || return $?
-
+        # leave 2 cores to avoid overwhelming the device
+        taskset -c 0-$(($(nproc) - 3)) $BASEDIR/beacon_klipper/install.sh || exit $?
         $BASEDIR/klippy-env/bin/python3 -m compileall $BASEDIR/klipper/klippy || exit $?
 
         echo "beacon-klipper" >> $BASEDIR/pellcorp.done