diff options
Diffstat (limited to 'docs/configguide/installation.rst')
| -rwxr-xr-x | docs/configguide/installation.rst | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/docs/configguide/installation.rst b/docs/configguide/installation.rst index c426dcea..70572b07 100755 --- a/docs/configguide/installation.rst +++ b/docs/configguide/installation.rst @@ -42,6 +42,12 @@ download at OPNFV website. vloop-vnf changelog: ==================== +* `vloop-vnf-ubuntu-14.04_20160804`_ + + * Linux kernel 4.4.0 installed + * libnuma-dev installed + * security updates applied + * `vloop-vnf-ubuntu-14.04_20160303`_ * snmpd service is disabled by default to avoid error messages during VM boot @@ -144,6 +150,7 @@ running any of the above. For example: .. _a link: http://www.softwarecollections.org/en/scls/rhscl/python33/ .. _virtualenv: https://virtualenv.readthedocs.org/en/latest/ +.. _vloop-vnf-ubuntu-14.04_20160804: http://artifacts.opnfv.org/vswitchperf/vnf/vloop-vnf-ubuntu-14.04_20160804.qcow2 .. _vloop-vnf-ubuntu-14.04_20160303: http://artifacts.opnfv.org/vswitchperf/vnf/vloop-vnf-ubuntu-14.04_20160303.qcow2 .. _vloop-vnf-ubuntu-14.04_20151216: http://artifacts.opnfv.org/vswitchperf/vnf/vloop-vnf-ubuntu-14.04_20151216.qcow2 @@ -179,9 +186,19 @@ parameter. In recent vswitchd versions, option VSWITCHD_DPDK_CONFIG will be used to configure vswitchd via ovs-vsctl calls. With the --socket-mem argument set to use 1 hugepage on the specified sockets as -seen above, the configuration will need 9 hugepages total to run all tests +seen above, the configuration will need 10 hugepages total to run all tests within vsperf if the pagesize is set correctly to 1GB. +VSPerf will verify hugepage amounts are free before executing test +environments. In case of hugepage amounts not being free, test initialization +will fail and testing will stop. + +**Please Note**: In some instances on a test failure dpdk resources may not +release hugepages used in dpdk configuration. It is recommended to configure a +few extra hugepages to prevent a false detection by VSPerf that not enough free +hugepages are available to execute the test environment. Normally dpdk would use +previously allocated hugepages upon initialization. + Depending on your OS selection configuration of hugepages may vary. Please refer to your OS documentation to set hugepages correctly. It is recommended to set the required amount of hugepages to be allocated by default on reboots. @@ -194,3 +211,8 @@ You can review your hugepage amounts by executing the following command .. code:: bash cat /proc/meminfo | grep Huge + +If no hugepages are available vsperf will try to automatically allocate some. +Allocation is controlled by HUGEPAGE_RAM_ALLOCATION configuration parameter in +``02_vswitch.conf`` file. Default is 2GB, resulting in either 2 1GB hugepages +or 1024 2MB hugepages. |