Attachment 666020 Details for Bug 887355 – Proposed fix

[patch] Proposed fix

tuned-1-add-thp-never.patch (text/plain), 2.61 KB, created by Jaroslav Škarvada on 2012-12-19 11:08:10 UTC

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Creator: Jaroslav Škarvada

Created: 2012-12-19 11:08:10 UTC

Size: 2.61 KB

patch

obsolete

>diff --git a/tune-profiles/enterprise-storage/ktune.sh b/tune-profiles/enterprise-storage/ktune.sh
>index 924d3ee..8106cf2 100755
>--- a/tune-profiles/enterprise-storage/ktune.sh
>+++ b/tune-profiles/enterprise-storage/ktune.sh
>@@ -4,7 +4,7 @@
> 
> start() {
> 	set_cpu_governor performance
>-	enable_transparent_hugepages
>+	set_transparent_hugepages always
> 	disable_disk_barriers
> 	multiply_disk_readahead 4
> 
>diff --git a/tune-profiles/functions b/tune-profiles/functions
>index 1fad391..0b44731 100644
>--- a/tune-profiles/functions
>+++ b/tune-profiles/functions
>@@ -226,10 +226,10 @@ disable_cpu_multicore_powersave() {
> THP_ENABLE="/sys/kernel/mm/redhat_transparent_hugepage/enabled"
> THP_SAVE="/var/run/tuned/ktune-thp.save"
> 
>-enable_transparent_hugepages() {
>+set_transparent_hugepages() {
> 	if [ -e $THP_ENABLE ]; then
> 		cut -f2 -d'[' $THP_ENABLE  | cut -f1 -d']' > $THP_SAVE
>-		(echo always > $THP_ENABLE) &> /dev/null
>+		(echo "$1" > $THP_ENABLE) &> /dev/null
> 	fi
> }
> 
>diff --git a/tune-profiles/latency-performance/ktune.sh b/tune-profiles/latency-performance/ktune.sh
>index de39c60..9eb5bc3 100755
>--- a/tune-profiles/latency-performance/ktune.sh
>+++ b/tune-profiles/latency-performance/ktune.sh
>@@ -5,6 +5,7 @@
> start() {
> 	set_cpu_governor performance
> 	/usr/libexec/tuned/pmqos-static.py cpu_dma_latency=0
>+	set_transparent_hugepages never
> 
> 	return 0
> }
>@@ -12,7 +13,7 @@ start() {
> stop() {
> 	restore_cpu_governor
> 	/usr/libexec/tuned/pmqos-static.py disable
>-
>+	restore_transparent_hugepages
> 	return 0
> }
> 
>diff --git a/tune-profiles/throughput-performance/ktune.sh b/tune-profiles/throughput-performance/ktune.sh
>index 168aecc..671f4fe 100755
>--- a/tune-profiles/throughput-performance/ktune.sh
>+++ b/tune-profiles/throughput-performance/ktune.sh
>@@ -4,7 +4,7 @@
> 
> start() {
> 	set_cpu_governor performance
>-	enable_transparent_hugepages
>+	set_transparent_hugepages always
> 
> 	return 0
> }
>diff --git a/tune-profiles/virtual-guest/ktune.sh b/tune-profiles/virtual-guest/ktune.sh
>index 924d3ee..8106cf2 100755
>--- a/tune-profiles/virtual-guest/ktune.sh
>+++ b/tune-profiles/virtual-guest/ktune.sh
>@@ -4,7 +4,7 @@
> 
> start() {
> 	set_cpu_governor performance
>-	enable_transparent_hugepages
>+	set_transparent_hugepages always
> 	disable_disk_barriers
> 	multiply_disk_readahead 4
> 
>diff --git a/tune-profiles/virtual-host/ktune.sh b/tune-profiles/virtual-host/ktune.sh
>index 924d3ee..8106cf2 100755
>--- a/tune-profiles/virtual-host/ktune.sh
>+++ b/tune-profiles/virtual-host/ktune.sh
>@@ -4,7 +4,7 @@
> 
> start() {
> 	set_cpu_governor performance
>-	enable_transparent_hugepages
>+	set_transparent_hugepages always
> 	disable_disk_barriers
> 	multiply_disk_readahead 4
>

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