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authorTibor Frank <tifrank@cisco.com>2020-07-13 14:08:13 +0200
committerDave Wallace <dwallacelf@gmail.com>2020-07-16 16:09:50 +0000
commit80adeefab9fc1871675688881498304ddc780828 (patch)
tree433d212f841e6cf5d25eb7226efacd5b6f2a9f46 /resources/tools/wrk/doc
parentf9b18c597f8bd9419ce3ecdd36de351f7b05c59a (diff)
Remove remains of WRK tests
Change-Id: If61783fb717757c6189f06924412bd079e15a08f Signed-off-by: Tibor Frank <tifrank@cisco.com>
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-Onboarding of wrk as a http traffic generator in CSIT
------------------------------------------------------
-
-wrk is a modern HTTP benchmarking tool capable of generating significant
-load when run on a single multi-core CPU.
-
-An optional LuaJIT script can perform HTTP request generation, response
-processing, and custom reporting.
-
-
-wrk installation on TG node
-'''''''''''''''''''''''''''
-
-**Procedure**
-
- #. Check if wrk is installed on the TG node.
- #. If not, install it.
-
-**wrk installation**
-
-::
-
- # Install pre-requisites:
- sudo apt-get install build-essential libssl-dev git -y
-
- # Get the specified version:
- wget ${WRK_DWNLD_PATH}/${WRK_TAR}
- tar xzf ${WRK_TAR}
- cd wrk-${WRK_VERSION}
-
- # Build the wrk:
- cd wrk
- make
-
- # Move the executable to somewhere in the PATH, e.q:
- sudo cp wrk /usr/local/bin
-
-
-wrk traffic profile
-'''''''''''''''''''
-
-**The traffic profile can include these items:**
-
- - List of URLs - mandatory,
- - The first CPU used to run wrk - mandatory,
- - Number of CPUs used for wrk - mandatory,
- - Test duration - mandatory,
- - Number of threads - mandatory,
- - Number of connections - mandatory,
- - LuaJIT script - optional, defaults to no script,
- - HTTP header - optional, defaults to no header,
- - Latency - optional, defaults to False,
- - Timeout - optional, defaults to wrk default.
-
-**List of URLs**
-
-List of URLs for requests. Each URL is requested in a separate instance of wrk.
-Type: list
-
-*Example:*
-
-::
-
- urls:
- - "http://192.168.1.1/1kB.bin"
- - "http://192.168.1.2/1kB.bin"
- - "http://192.168.1.3/1kB.bin"
-
-**The first CPU used to run wrk**
-The first CPU used to run wrk. The other CPUs follow this one.
-Type: integer
-
-*Example:*
-
-::
-
- first-cpu: 1
-
-**Number of CPUs used for wrk**
-
-The number of CPUs used for wrk. The number of CPUs must be a multiplication
-of the number of URLs.
-Type: integer
-
-*Example:*
-
-::
-
- cpus: 6
-
-.. note::
-
- The combinations of URLs and a number of CPUs create following use cases:
-
- - One URL and one CPU - One instance of wrk sends one request (URL) via
- one NIC
- - One URL and n CPUs - n instances of wrk send the same request (URL)
- via one or more NICs
- - n URLs and n CPUs - n instances of wrk send n requests (URL) via one
- or more NICs
- - n URLs and m CPUs, m = a * n - m instances of wrk send n requests
- (URL) via one or more NICs
-
-**Test duration**
-
-Duration of the test in seconds.
-Type: integer
-
-*Example:*
-
-::
-
- duration: 30
-
-**Number of threads**
-
-Total number of threads to use by wrk to send traffic.
-Type: integer
-
-*Example:*
-
-::
-
- nr-of-threads: 1
-
-**Number of connections**
-
-Total number of HTTP connections to keep open with each thread handling
-N = connections / threads.
-Type: integer
-
-*Example:*
-
-::
-
- nr-of-connections: 50
-
-**LuaJIT script**
-
-Path to LuaJIT script.
-Type: string
-
-For more information see: https://github.com/wg/wrk/blob/master/SCRIPTING
-
-*Example:*
-
-::
-
- script: "scripts/report.lua"
-
-**HTTP header**
-
-HTTP header to add to request.
-Type: string (taken as it is) or dictionary
-
-*Example:*
-
-::
-
- # Dictionary:
- header:
- Connection: "close"
-
-or
-
-::
-
- # String:
- header: "Connection: close"
-
-**Latency**
-
-Print detailed latency statistics.
-Type: boolean
-
-*Example:*
-
-::
-
- latency: False
-
-**Timeout**
-
-Record a timeout if a response is not received within this amount of time.
-Type: integer
-
-::
-
- timeout: 5
-
-**Examples of a wrk traffic profile**
-
-*Get the number of connections per second:*
-
-- Use 3 CPUs to send 3 different requests via 3 NICs.
-- The test takes 30 seconds.
-- wrk sends traffic in one thread per CPU.
-- There will be open max 50 connection at the same time.
-- The header is set to 'Connection: "close"' so wrk opens separate connection
- for each request. Then the number of requests equals to the number of
- connections.
-- Timeout for responses from the server is set to 5 seconds.
-
-::
-
- urls:
- - "http://192.168.1.1/0B.bin"
- - "http://192.168.1.2/0B.bin"
- - "http://192.168.1.3/0B.bin"
- cpus: 3
- duration: 30
- nr-of-threads: 1
- nr-of-connections: 50
- header:
- Connection: "close"
- timeout: 5
-
-*Get the number of requests per second:*
-
-- Use 3 CPUs to send 3 different requests via 3 NICs.
-- The test takes 30 seconds.
-- wrk sends traffic in one thread per CPU.
-- There will be max 50 concurrent open connections.
-
-::
-
- urls:
- - "http://192.168.1.1/1kB.bin"
- - "http://192.168.1.2/1kB.bin"
- - "http://192.168.1.3/1kB.bin"
- cpus: 3
- duration: 30
- nr-of-threads: 1
- nr-of-connections: 50
-
-*Get the bandwidth:*
-
-- Use 3 CPUs to send 3 different requests via 3 NICs.
-- The test takes 30 seconds.
-- wrk sends traffic in one thread per CPU.
-- There will be open max 50 connection at the same time.
-- Timeout for responses from the server is set to 5 seconds.
-
-::
-
- urls:
- - "http://192.168.1.1/1MB.bin"
- - "http://192.168.1.2/1MB.bin"
- - "http://192.168.1.3/1MB.bin"
- cpus: 3
- duration: 30
- nr-of-threads: 1
- nr-of-connections: 50
- timeout: 5
-
-
-Running wrk
-'''''''''''
-
-**Suite setup phase**
-
-CSIT framework checks if wrk is installed on the TG node. If not, or if the
-installation is forced, it installs it on the TG node.
-
-*Procedure:*
-
- #. Make sure TRex is stopped.
- #. Bind used TG interfaces to corresponding drivers (defined in the topology
- file).
- #. If the wrk installation is forced:
-
- - Destroy existing wrk
-
- #. If the wrk installation is not forced:
-
- - Check if wrk is installed.
- - If installed, exit.
-
- #. Clone wrk from git (https://github.com/wg/wrk.git)
- #. Build wrk.
- #. Copy the executable to /usr/local/bin so it is in the PATH.
-
-**Test phase**
-
-*Procedure:*
-
-#. Read the wrk traffic profile.
-#. Verify the profile.
-#. Use the information from the profile to set the wrk parameters.
-#. Run wrk.
-#. Read the output.
-#. Evaluate and log the output.
-