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OFP: avoid drop_caches in mcreboot

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Balazs Gerofi
2018-06-07 07:15:35 +09:00
parent f7b277a623
commit 2f0c2aae9e
1 changed files with 13 additions and 7 deletions
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20
arch/x86_64/tools/mcreboot-smp-x86.sh.in
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@@ -85,6 +85,9 @@ do
esac esac
done done
redirect_kmsg=0
turbo="turbo"
# Start ihkmond # Start ihkmond
pid=`pidof ihkmond` pid=`pidof ihkmond`
if [ "${pid}" != "" ]; then if [ "${pid}" != "" ]; then
@@ -302,16 +305,19 @@ if ! grep -E 'ihk\s' /proc/modules &>/dev/null; then
fi fi
fi fi
# Increase swappiness so that we have better chance to allocate memory for IHK # Fujitsu drops caches for us in between jobs so don't do it on OFP
echo 100 > /proc/sys/vm/swappiness if [ "`hostname | grep "c[0-9][0-9][0-9][0-9].ofp"`" == "" ]; then
# Increase swappiness so that we have better chance to allocate memory for IHK
echo 100 > /proc/sys/vm/swappiness
# Drop Linux caches to free memory # Drop Linux caches to free memory
sync && echo 3 > /proc/sys/vm/drop_caches sync && echo 3 > /proc/sys/vm/drop_caches
# Merge free memory areas into large, physically contigous ones # Merge free memory areas into large, physically contigous ones
echo 1 > /proc/sys/vm/compact_memory 2>/dev/null echo 1 > /proc/sys/vm/compact_memory 2>/dev/null
sync sync
fi
# Load IHK-SMP if not loaded and reserve CPUs and memory # Load IHK-SMP if not loaded and reserve CPUs and memory
if ! grep ihk_smp_@ARCH@ /proc/modules &>/dev/null; then if ! grep ihk_smp_@ARCH@ /proc/modules &>/dev/null; then