X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=fdio.infra.ansible%2Froles%2Fperformance_tuning%2Ffiles%2Fdisable-turbo-boost.service;fp=fdio.infra.ansible%2Froles%2Fperformance_tuning%2Ffiles%2Fdisable-turbo-boost.service;h=e04729de508051f2ce701d965b116d0c57f96caf;hb=df5672b3d9c29b51397f4770eb992c9f3f3955ce;hp=0000000000000000000000000000000000000000;hpb=8018da98e0f362bc69fc9600fac222a86fd46b5e;p=csit.git

diff --git a/fdio.infra.ansible/roles/performance_tuning/files/disable-turbo-boost.service b/fdio.infra.ansible/roles/performance_tuning/files/disable-turbo-boost.service
new file mode 100644
index 0000000000..e04729de50
--- /dev/null
+++ b/fdio.infra.ansible/roles/performance_tuning/files/disable-turbo-boost.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Disable Turbo Boost on Intel CPU
+
+[Service]
+ExecStart=/bin/sh -c 'for core in `cat /proc/cpuinfo | grep processor | awk \'{print $3}\'`; do sudo wrmsr -p$core 0x1a0 0x4000850089; done'
+ExecStop=/bin/sh -c 'for core in `cat /proc/cpuinfo | grep processor | awk \'{print $3}\'`; do sudo wrmsr -p$core 0x1a0 0x850089; done'
+RemainAfterExit=yes
+
+[Install]
+WantedBy=sysinit.target