diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/release/userguide/feature.userguide.rst | 91 |
1 files changed, 53 insertions, 38 deletions
diff --git a/docs/release/userguide/feature.userguide.rst b/docs/release/userguide/feature.userguide.rst index 2f4077bc..f5bb6a72 100644 --- a/docs/release/userguide/feature.userguide.rst +++ b/docs/release/userguide/feature.userguide.rst @@ -38,26 +38,23 @@ Barometer has enabled the following collectd plugins: and free hugepages on a platform as well as what is available in terms of hugepages per socket. -* *RDT plugin*: A read plugin that provides the last level cache utilitzation and - memory bandwidth utilization - * *Open vSwitch events Plugin*: A read plugin that retrieves events from OVS. +* *Open vSwitch stats Plugin*: A read plugin that retrieve flow and interface + stats from OVS. + * *mcelog plugin*: A read plugin that uses mcelog client protocol to check for memory Machine Check Exceptions and sends the stats for reported exceptions +* *RDT plugin*: A read plugin that provides the last level cache utilization and + memory bandwidth utilization + All the plugins above are available on the collectd master, except for the ceilometer plugin as it's a python based plugin and only C plugins are accepted by the collectd community. The ceilometer plugin lives in the OpenStack repositories. -Other plugins under development or existing as a pull request into collectd master: - -* *dpdkevents*: A read plugin that retrieves DPDK link status and DPDK - forwarding cores liveliness status (DPDK Keep Alive). - -* *Open vSwitch stats Plugin*: A read plugin that retrieve flow and interface - stats from OVS. +Other plugins existing as a pull request into collectd master: * *SNMP Agent*: A write plugin that will act as a AgentX subagent that receives and handles queries from SNMP master agent and returns the data collected @@ -70,6 +67,7 @@ Other plugins under development or existing as a pull request into collectd mast fanspeed, current, flow, power etc. Also, the plugin monitors Intelligent Platform Management Interface (IPMI) System Event Log (SEL) and sends the + **Plugins included in the Danube release:** * Hugepages @@ -82,20 +80,22 @@ collectd capabilities and usage .. Describe the specific capabilities and usage for <XYZ> feature. .. Provide enough information that a user will be able to operate the feature on a deployed scenario. -**NOTE** Plugins included in the OPNFV D release will be built-in to the fuel -plugin and available in the /opt/opnfv directory on the fuel master. You don't -need to clone the barometer/collectd repos to use these, but you can configure -them as shown in the examples below. Please note, the collectd plugins in OPNFV -are configured with reasonable defaults, but can be overriden. +.. note:: Plugins included in the OPNFV D release will be built-in to the fuel + plugin and available in the /opt/opnfv directory on the fuel master. You don't + need to clone the barometer/collectd repos to use these, but you can configure + them as shown in the examples below. + + The collectd plugins in OPNFV are configured with reasonable defaults, but can + be overridden. Building all Barometer upstreamed plugins from scratch ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The plugins that have been merged to the collectd master branch can all be built and configured through the barometer repository. -**NOTE: sudo permissions are required to install collectd.** - -**NOTE: These are instructions for Ubuntu 16.04.** +.. note:: + * sudo permissions are required to install collectd. + * These are instructions for Ubuntu 16.04 To build and install these dependencies, clone the barometer repo: @@ -116,29 +116,37 @@ To install collectd as a service and install all it's dependencies: $ cd barometer/src && sudo make && sudo make install This will install collectd as a service and the base install directory -is /opt/collectd. +will be /opt/collectd. Sample configuration files can be found in '/opt/collectd/etc/collectd.conf.d' -**Note**: Exec plugin requires non-root user to execute scripts. By default, -`collectd_exec` user is used. Barometer scripts do *not* create this user. It -needs to be manually added or exec plugin configuration has to be changed to use -other, existing user before starting collectd service. +.. note:: + - If you plan on using the Exec plugin, the plugin requires non-root + user to execute scripts. By default, `collectd_exec` user is used. Barometer + scripts do *not* create this user. It needs to be manually added or exec plugin + configuration has to be changed to use other, existing user before starting + collectd service. -Please note if you are using any Open vSwitch plugins you need to run: + - If you don't want to use one of the Barometer plugins, simply remove the + sample config file from '/opt/collectd/etc/collectd.conf.d' + - If you are using any Open vSwitch plugins you need to run: .. code:: bash $ sudo ovs-vsctl set-manager ptcp:6640 + +Below is the per plugin installation and configuration guide, if you only want +to install some/particular plugins. + DPDK statistics plugin ^^^^^^^^^^^^^^^^^^^^^^ Repo: https://github.com/collectd/collectd Branch: master -Dependencies: DPDK (http://dpdk.org/) +Dependencies: DPDK (http://dpdk.org/) Min_Version: 16.04 To build and install DPDK to /usr please see: https://github.com/collectd/collectd/blob/master/docs/BUILD.dpdkstat.md @@ -178,12 +186,18 @@ include: For more information on the plugin parameters, please see: https://github.com/collectd/collectd/blob/master/src/collectd.conf.pod -Please also note that if you are not building and installing DPDK system-wide -you will need to specify the specific paths to the header files and libraries -using LIBDPDK_CPPFLAGS and LIBDPDK_LDFLAGS. You will also need to add the DPDK -library symbols to the shared library path using ldconfig. Note that this -update to the shared library path is not persistant (i.e. it will not survive a -reboot). +.. note:: If you are not building and installing DPDK system-wide + you will need to specify the specific paths to the header files and libraries + using LIBDPDK_CPPFLAGS and LIBDPDK_LDFLAGS. You will also need to add the DPDK + library symbols to the shared library path using ldconfig. Note that this + update to the shared library path is not persistent (i.e. it will not survive a + reboot). + +.. note:: Plugin initialization time depends on read interval. It requires + 5 read cycles to set up internal buffers and states. During that time + no statistics are submitted. Also if plugin is running and the number of DPDK + ports is increased, internal buffers are resized. That requires 3 read cycles + and no port statistics are submitted in that time. DPDK events plugin ^^^^^^^^^^^^^^^^^^^^^^ @@ -200,7 +214,7 @@ Building and installing collectd: .. code:: bash - $ git clone https://github.com/maryamtahhan/collectd.git + $ git clone https://github.com/collectd/collectd.git $ cd collectd $ ./build.sh $ ./configure --enable-syslog --enable-logfile --enable-debug @@ -240,12 +254,13 @@ include: For more information on the plugin parameters, please see: https://github.com/collectd/collectd/blob/master/src/collectd.conf.pod -Please also note that if you are not building and installing DPDK system-wide -you will need to specify the specific paths to the header files and libraries -using LIBDPDK_CPPFLAGS and LIBDPDK_LDFLAGS. You will also need to add the DPDK -library symbols to the shared library path using ldconfig. Note that this -update to the shared library path is not persistant (i.e. it will not survive a -reboot). + +.. note:: If you are not building and installing DPDK system-wide + you will need to specify the specific paths to the header files and libraries + using LIBDPDK_CPPFLAGS and LIBDPDK_LDFLAGS. You will also need to add the DPDK + library symbols to the shared library path using ldconfig. Note that this + update to the shared library path is not persistent (i.e. it will not survive a + reboot). .. code:: bash |