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diff --git a/docs/testing/user/userguide/qpi-compute.rst b/docs/testing/user/userguide/qpi-compute.rst
index 369240c..d64925b 100644
--- a/docs/testing/user/userguide/qpi-compute.rst
+++ b/docs/testing/user/userguide/qpi-compute.rst
@@ -4,24 +4,69 @@
.. (c) 2016 ZTE Corp.
-Compute Suite
-=============
+Compute QPI
+===========
Introduction
------------
-The QTIP testing suite aims to benchmark the compute components of an OPNFV platform.
+The compute QPI aims to benchmark the compute components of an OPNFV platform.
Such components include, the CPU performance, the memory performance.
-Additionally virtual computing performance provided by the Hypervisor (KVM) installed as part of OPNFV platforms would be benchmarked too.
-The test suite consists of both synthetic and application specific benchmarks to test compute components.
+The compute QPI consists of both synthetic and application specific benchmarks to
+test compute components.
-All the compute benchmarks could be run in 2 scenarios:
+All the compute benchmarks could be run in the scenario:
+On Baremetal Machines provisioned by an OPNFV installer (Host machines)
-1. On Baremetal Machines provisioned by an OPNFV installer (Host machines)
-2. On Virtual Machines brought up through OpenStack on an OPNFV platform
+Note: The Compute benchmank constains relatively old benchmarks such as dhrystone
+and whetstone. The suite would be updated for better benchmarks such as Linbench for
+the OPNFV E release.
-Note: The Compute benchmank suite constains relatively old benchmarks such as dhrystone and whetstone. The suite would be updated for better benchmarks such as Linbench for the OPNFV C release.
+Getting start with compute QPI
+------------------------------
+
+Notice: All descriptions are based on QTIP container.
+
+Inventory File
+^^^^^^^^^^^^^^
+
+QTIP uses Ansible to trigger benchmark test. Ansible uses an inventory file to
+determine what hosts to work against. QTIP can automatically generate a inventory
+file via OPNFV installer. Users also can write their own inventory infomation into
+``/home/opnfv/qtip/hosts``. This file is just a text file containing a list of host
+IP addresses. For example:
+::
+
+ [hosts]
+ 10.20.0.11
+ 10.20.0.12
+
+QTIP key Pair
+^^^^^^^^^^^^^
+
+QTIP use a SSH key pair to connect to remote hosts. When users execute compute QPI,
+QTIP will generate a key pair named *QtipKey* under ``/home/opnfv/qtip/`` and pass
+public key to remote hosts.
+
+If environment variable *CI_DEBUG* is set to *true*, users should delete it by
+manual. If *CI_DEBUG* is not set or set to *false*, QTIP will delete the key from
+remote hosts before the execution ends. Please make sure the key deleted from remote
+hosts or it can introduce a security flaw.
+
+Commands to run compute QPI
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+In a QTIP container, you can run compute QPI by using QTIP CLI:
+::
+
+ mkdir result
+ qtip plan run <plan_name> -p $PWD/result
+
+QTIP generates results in the ``$PWD/result`` directory are listed down under the
+timestamp name.
+
+you can get more details from *userguide/cli.rst*.
Benchmarks
----------
@@ -31,13 +76,15 @@ The benchmarks include:
Dhrystone 2.1
^^^^^^^^^^^^^
-Dhrystone is a synthetic benchmark for measuring CPU performance. It uses integer calculations to evaluate CPU capabilities.
-Both Single CPU performance is measured along multi-cpu performance.
+Dhrystone is a synthetic benchmark for measuring CPU performance. It uses integer
+calculations to evaluate CPU capabilities. Both Single CPU performance is measured
+along multi-cpu performance.
Dhrystone, however, is a dated benchmark and has some short comings.
Written in C, it is a small program that doesn't test the CPU memory subsystem.
-Additionally, dhrystone results could be modified by optimizing the compiler and insome cases hardware configuration.
+Additionally, dhrystone results could be modified by optimizing the compiler and
+insome cases hardware configuration.
References: http://www.eembc.org/techlit/datasheets/dhrystone_wp.pdf
@@ -56,7 +103,9 @@ http://www.netlib.org/benchmark/whetstone.c
OpenSSL Speed
^^^^^^^^^^^^^
-OpenSSL Speed can be used to benchmark compute performance of a machine. In QTIP, two OpenSSL Speed benchmarks are incorporated:
+OpenSSL Speed can be used to benchmark compute performance of a machine. In QTIP,
+two OpenSSL Speed benchmarks are incorporated:
+
1. RSA signatunes/sec signed by a machine
2. AES 128-bit encryption throughput for a machine for cipher block sizes
@@ -67,8 +116,9 @@ https://www.openssl.org/docs/manmaster/apps/speed.html
RAMSpeed
^^^^^^^^
-RAMSpeed is used to measure a machine's memory perfomace.
-The problem(array)size is large enough to ensure Cache Misses so that the main machine memory is used.
+RAMSpeed is used to measure a machine's memory perfomace. The problem(array)size is
+large enough to ensure Cache Misses so that the main machine memory is used.
+
INTmem and FLOATmem benchmarks are executed in 4 different scenarios:
a. Copy: a(i)=b(i)
@@ -76,7 +126,8 @@ b. Add: a(i)=b(i)+c(i)
c. Scale: a(i)=b(i)*d
d. Tniad: a(i)=b(i)+c(i)*d
-INTmem uses integers in these four benchmarks whereas FLOATmem uses floating points for these benchmarks.
+INTmem uses integers in these four benchmarks whereas FLOATmem uses floating points
+for these benchmarks.
References:
@@ -87,15 +138,18 @@ https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/W51a7ffcf
DPI
^^^
-nDPI is a modified variant of OpenDPI, Open source Deep packet Inspection, that is maintained by ntop.
-An example application called *pcapreader* has been developed and is available for use along nDPI.
+nDPI is a modified variant of OpenDPI, Open source Deep packet Inspection, that
+is maintained by ntop. An example application called *pcapreader* has been developed
+and is available for use along nDPI.
-A sample .pcap file is passed to the *pcapreader* application.
-nDPI classifies traffic in the pcap file into different categories based on string matching.
-The *pcapreader* application provides a throughput number for the rate at which traffic was classified, indicating a machine's computational performance.
-The results are run 10 times and an average is taken for the obtained number.
+A sample .pcap file is passed to the *pcapreader* application. nDPI classifies traffic
+in the pcap file into different categories based on string matching. The *pcapreader*
+application provides a throughput number for the rate at which traffic was classified,
+indicating a machine's computational performance. The results are run 10 times and an
+average is taken for the obtained number.
-*nDPI may provide non consistent results and was added to Brahmaputra for experimental purposes*
+*nDPI may provide non consistent results and was added to Brahmaputra for experimental
+purposes*
References: