Attachment 1481262 Details for Bug 1616043 – Fixed patch

[patch] Fixed patch

tuned-2.10.0-realtime-virtual-enable-rt-entsk.patch (text/plain), 2.57 KB, created by Jaroslav Škarvada on 2018-09-06 11:25:57 UTC

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Creator: Jaroslav Škarvada

Created: 2018-09-06 11:25:57 UTC

Size: 2.57 KB

patch

obsolete

>From 837c6bd12a5eedc3fbf46291bf1040e724786efd Mon Sep 17 00:00:00 2001
>From: Marcelo Tosatti <mtosatti@redhat.com>
>Date: Fri, 31 Aug 2018 13:27:12 +0200
>Subject: [PATCH] start/stop rt-entsk daemon on initialization/shutdown
>MIME-Version: 1.0
>Content-Type: text/plain; charset=UTF-8
>Content-Transfer-Encoding: 8bit
>
>The rt-entsk application, part of newer rt-setup packages,
>worksaround a latency issue with static key
>IPI's. What it does it:
>
>/*
> * Open a socket, and enable timestamping on it.
> *
> * This is to avoid Chrony from changing timestamping
> * user count from 0->1 and vice-versa, causing
> * static key enable/disable IPIs.
> *
> */
>
>Start/stop the systemctl service from the realtime-virtual-host
>and realtime-virtual-guest profiles.
>
>Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
>Signed-off-by: Jaroslav Å karvada <jskarvad@redhat.com>
>---
> profiles/realtime-virtual-guest/script.sh  | 19 +++++++++++++++++++
> profiles/realtime-virtual-guest/tuned.conf |  3 +++
> profiles/realtime-virtual-host/script.sh   |  2 ++
> 3 files changed, 24 insertions(+)
> create mode 100755 profiles/realtime-virtual-guest/script.sh
>
>diff --git a/profiles/realtime-virtual-guest/script.sh b/profiles/realtime-virtual-guest/script.sh
>new file mode 100755
>index 0000000..33cb730
>--- /dev/null
>+++ b/profiles/realtime-virtual-guest/script.sh
>@@ -0,0 +1,19 @@
>+#!/bin/sh
>+
>+. /usr/lib/tuned/functions
>+
>+start() {
>+    systemctl start rt-entsk
>+    return "$?"
>+}
>+
>+stop() {
>+    systemctl stop rt-entsk
>+    return "$?"
>+}
>+
>+verify() {
>+    return "$?"
>+}
>+
>+process $@
>diff --git a/profiles/realtime-virtual-guest/tuned.conf b/profiles/realtime-virtual-guest/tuned.conf
>index fb2bc42..8e1f67e 100644
>--- a/profiles/realtime-virtual-guest/tuned.conf
>+++ b/profiles/realtime-virtual-guest/tuned.conf
>@@ -36,5 +36,8 @@ group.ktimersoftd=0:f:3:*:ktimersoftd.*
> 
> ps_blacklist=ksoftirqd.*;rcuc.*;rcub.*;ktimersoftd.*
> 
>+[script]
>+script=${i:PROFILE_DIR}/script.sh
>+
> [bootloader]
> cmdline_rvg=+nohz=on nohz_full=${isolated_cores} rcu_nocbs=${isolated_cores}
>diff --git a/profiles/realtime-virtual-host/script.sh b/profiles/realtime-virtual-host/script.sh
>index 515d254..a9366cb 100755
>--- a/profiles/realtime-virtual-host/script.sh
>+++ b/profiles/realtime-virtual-host/script.sh
>@@ -87,6 +87,7 @@ start() {
>     if [ -f $CACHE_VALUE_FILE ]; then
>         echo `cat $CACHE_VALUE_FILE` > $KVM_LAPIC_FILE
>     fi
>+    systemctl start rt-entsk
> 
>     return 0
> }
>@@ -94,6 +95,7 @@ start() {
> stop() {
>     [ "$1" = "full_rollback" ] && teardown_kvm_mod_low_latency
>     enable_ksm
>+    systemctl stop rt-entsk
>     return "$?"
> }
> 
>-- 
>2.14.4
>

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Attachments on bug 1616043: 1481262