From af758628c44db8b32047a92cc91a45cfe4efb4e6 Mon Sep 17 00:00:00 2001
From: Vipin Varghese <vipin.varghese@intel.com>
Date: Tue, 9 Apr 2019 12:03:43 +0530
Subject: [PATCH] doc: add pictures for debug and troubleshoot guide

Add svg images for debug and troubleshoot guide.

Signed-off-by: Vipin Varghese <vipin.varghese@intel.com>
Acked-by: Marko Kovacevic <marko.kovacevic@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
---
 doc/guides/howto/img/dtg_consumer_ring.svg    |  24 ++++
 doc/guides/howto/img/dtg_crypto.svg           |  21 ++++
 .../howto/img/dtg_distributor_worker.svg      |  36 ++++++
 doc/guides/howto/img/dtg_mempool.svg          |  27 +++++
 doc/guides/howto/img/dtg_pdump.svg            |  33 ++++++
 doc/guides/howto/img/dtg_producer_ring.svg    |  24 ++++
 doc/guides/howto/img/dtg_qos_tx.svg           |  29 +++++
 doc/guides/howto/img/dtg_rx_rate.svg          |  25 ++++
 doc/guides/howto/img/dtg_rx_tx_drop.svg       |  33 ++++++
 doc/guides/howto/img/dtg_sample_app_model.svg | 110 ++++++++++++++++++
 doc/guides/howto/img/dtg_service.svg          |  20 ++++
 11 files changed, 382 insertions(+)
 create mode 100644 doc/guides/howto/img/dtg_consumer_ring.svg
 create mode 100644 doc/guides/howto/img/dtg_crypto.svg
 create mode 100644 doc/guides/howto/img/dtg_distributor_worker.svg
 create mode 100644 doc/guides/howto/img/dtg_mempool.svg
 create mode 100644 doc/guides/howto/img/dtg_pdump.svg
 create mode 100644 doc/guides/howto/img/dtg_producer_ring.svg
 create mode 100644 doc/guides/howto/img/dtg_qos_tx.svg
 create mode 100644 doc/guides/howto/img/dtg_rx_rate.svg
 create mode 100644 doc/guides/howto/img/dtg_rx_tx_drop.svg
 create mode 100644 doc/guides/howto/img/dtg_sample_app_model.svg
 create mode 100644 doc/guides/howto/img/dtg_service.svg

diff --git a/doc/guides/howto/img/dtg_consumer_ring.svg b/doc/guides/howto/img/dtg_consumer_ring.svg
new file mode 100644
index 0000000000..d8cf0c292f
--- /dev/null
+++ b/doc/guides/howto/img/dtg_consumer_ring.svg
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="634" height="97" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>consumer ring</title>
+  <rect fill="#fff" id="canvas_background" height="99" width="636" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_1" height="95" width="135" y="0" x="0" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#9ACEE6"/>
+  <rect id="svg_2" height="95" width="135" y="2" x="252" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#9ACEE6"/>
+  <rect id="svg_3" height="95" width="135" y="2" x="499" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#9ACEE6"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_4" y="45" x="10" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Stage 1</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_5" y="52" x="268" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Stage 2</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_6" y="53" x="517" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Stage 3</text>
+  <path transform="rotate(90.19324493408203 177.864990234375,48.89100646972658) " id="svg_7" d="m155.364991,48.766198l22.499998,-51.875196l22.499998,51.875196l-11.25,0l0,52.12481l-22.499996,0l0,-52.12481l-11.25,0z" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#4D2425"/>
+  <path transform="rotate(90.19324493408203 434.864990234375,48.89100646972656) " id="svg_8" d="m412.364991,48.766198l22.499998,-51.875196l22.499998,51.875196l-11.25,0l0,52.12481l-22.499996,0l0,-52.12481l-11.25,0z" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#4D2425"/>
+  <path id="svg_10" d="m225.937481,47.95781l0,0c0,-10.493411 8.282734,-19 18.500005,-19l0,0c4.906504,0 9.612052,2.00178 13.081477,5.564971c3.469424,3.563191 5.418523,8.395917 5.418523,13.435029l0,0c0,10.493408 -8.282732,18.999998 -18.5,18.999998l0,0c-10.217271,0 -18.500005,-8.506591 -18.500005,-18.999998zm18.500005,-19l0,37.999998m-18.500005,-18.999998l37.000005,0" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8CD79F"/>
+  <path id="svg_11" d="m475.937481,46.95781l0,0c0,-10.493411 8.282734,-19.000001 18.500005,-19.000001l0,0c4.906504,0 9.612052,2.00178 13.081477,5.564972c3.469424,3.563191 5.418523,8.395916 5.418523,13.435029l0,0c0,10.493408 -8.282732,18.999997 -18.5,18.999997l0,0c-10.217271,0 -18.500005,-8.50659 -18.500005,-18.999997zm18.500005,-19.000001l0,37.999998m-18.500005,-18.999997l37.000005,0" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8CD79F"/>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_crypto.svg b/doc/guides/howto/img/dtg_crypto.svg
new file mode 100644
index 0000000000..969f8b5d52
--- /dev/null
+++ b/doc/guides/howto/img/dtg_crypto.svg
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="180" height="230" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>crypto</title>
+  <rect fill="#fff" id="canvas_background" height="232" width="182" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_21" height="1" width="0" y="369.4375" x="838.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#A0D58A"/>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_25" y="222.4375" x="39.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Core 7</text>
+  <rect stroke="#000" id="svg_26" height="44.000003" width="155.000001" y="151.437497" x="6.499997" fill-opacity="null" stroke-opacity="null" stroke-width="0" fill="#7AD6CA"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_27" y="179.4375" x="13.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">CRYPTO PMD</text>
+  <ellipse stroke="#000" ry="41.5" rx="66.500001" id="svg_28" cy="48.9375" cx="87.999997" fill-opacity="null" stroke-opacity="null" stroke-width="0" fill="#7AD6CA"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_29" y="57.4375" x="45.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Device</text>
+  <path stroke="#000" transform="rotate(-90.19718170166016 85.76751708984375,119.45785522460936) " id="svg_30" d="m40.743289,119.457895l26.106598,-13.915756l0,6.95786l37.835289,0l0,-6.95786l26.106586,13.915756l-26.106586,13.915682l0,-6.957842l-37.835289,0l0,6.957842l-26.106598,-13.915682z" stroke-opacity="null" stroke-width="0" fill="#845335"/>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_distributor_worker.svg b/doc/guides/howto/img/dtg_distributor_worker.svg
new file mode 100644
index 0000000000..d2638ded81
--- /dev/null
+++ b/doc/guides/howto/img/dtg_distributor_worker.svg
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="600" height="235" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>distributor and worker</title>
+  <rect fill="#fff" id="canvas_background" height="237" width="602" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect stroke="#000" id="svg_1" height="89.999991" width="202.000004" y="21.000003" x="4" stroke-opacity="null" stroke-width="0" fill="#9ACEE6"/>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start"
+   font-family="'Courier New', Courier, monospace" font-size="24" id="svg_4" y="47" x="7"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">PKT classify</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_12" y="96.5" x="25.992188" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Distribute</text>
+  <path id="svg_13" d="m334.224445,98.046256l16.252783,-5.432074l-16.252783,-5.429993l-16.256262,-5.427952l0,6.038517c-4.264321,-0.004069 -11.331234,-0.004069 -13.334561,-0.004069c-5.919233,-0.081711 -9.804243,-1.153783 -13.847174,-3.073397c-6.02597,-2.865095 -11.16889,-8.021466 -17.371313,-12.989922c-3.154554,-2.470933 -6.669049,-4.921502 -11.349751,-6.892119c-4.633926,-1.978838 -10.68815,-3.351144 -17.41807,-3.324591l-29.170102,0l0,9.646983l29.170102,0c4.056131,0.042884 6.623169,0.808657 10.124445,2.70786c5.179989,2.824261 10.230311,8.223602 17.195784,13.339136c6.826056,5.066481 17.329865,10.182006 32.564612,10.231017l13.436029,0l0,6.0385l16.256262,-5.427896zm-68.759273,-36.535597c0.184389,0.075572 0.379369,0.14089 0.559297,0.218526c5.559349,2.340242 9.573988,5.211493 12.751502,7.709001c0.730423,0.584013 1.377934,1.145611 2.071302,1.719456l37.120911,0l0,6.040581l16.256262,-5.42798l16.252783,-5.429962l-16.252783,-5.432037l-16.256262,-5.434093l0,6.036509l-52.503011,0z"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#FFAC8D"/>
+  <rect stroke="#000" id="svg_17" height="110.999999" width="180" y="3.4375" x="353.5"
+   stroke-opacity="null" stroke-width="0" fill="#FABA6F"/>
+  <rect stroke="#000" id="svg_14" height="110.999999" width="180" y="31.4375" x="369.5"
+   stroke-opacity="null" stroke-width="0" fill="#FFB27C"/>
+  <rect stroke="#000" id="svg_15" height="110.999999" width="180" y="58.4375" x="392.5"
+   stroke-opacity="null" stroke-width="0" fill="#FFF093"/>
+  <rect stroke="#000" id="svg_16" height="110.999999" width="180" y="90.4375" x="413.5"
+   stroke-opacity="null" stroke-width="0" fill="#FFE7A2"/>
+  <text stroke="#000" transform="matrix(0.678871691226959,0,0,0.7037037014961243,142.60348030924797,64.2037038393319) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_18" y="71.490132" x="413.769676" stroke-opacity="null" stroke-width="0" fill="#000000">worker 1</text>
+  <text stroke="#000" transform="matrix(0.678871691226959,0,0,0.7037037014961243,121.60348030924797,9.203703839331922) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_19" y="101.332237" x="406.404514" stroke-opacity="null" stroke-width="0" fill="#000000">worker 2</text>
+  <text stroke="#000" transform="matrix(0.678871691226959,0,0,0.7037037014961243,121.60348030924797,9.203703839331922) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_20" y="58.700658" x="376.943866" stroke-opacity="null" stroke-width="0" fill="#000000">worker 3</text>
+  <text style="cursor: move;" stroke="#000" transform="matrix(0.678871691226959,0,0,0.7037037014961243,121.60348030924797,9.203703839331922) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_22" y="18.911184" x="350.429283" stroke-opacity="null" stroke-width="0" fill="#000000">worker 4</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_23" y="139.4375" x="49.5"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">core 1</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_24" y="226.4375" x="404.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">core 2,3,4,5</text>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_mempool.svg b/doc/guides/howto/img/dtg_mempool.svg
new file mode 100644
index 0000000000..2f53a3ca8a
--- /dev/null
+++ b/doc/guides/howto/img/dtg_mempool.svg
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="955" height="185" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>mempool</title>
+  <rect fill="#fff" id="canvas_background" height="187" width="957" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_21" height="1" width="0" y="370.4375" x="839.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#A0D58A"/>
+  <rect stroke="#000" id="svg_31" height="181.000002" width="951.000029" y="2.4375" x="3.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" fill="#7AD6CA"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_32" y="167.4375" x="14.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">MBUF pool</text>
+  <rect id="svg_38" height="71" width="859" y="15.4375" x="18.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8B4D4B"/>
+  <rect id="svg_39" height="71" width="859" y="32.4375" x="33.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8B4D4B"/>
+  <rect id="svg_40" height="71" width="859" y="47.4375" x="52.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8B4D4B"/>
+  <rect id="svg_41" height="71" width="859" y="62.4375" x="71.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8B4D4B"/>
+  <rect stroke="#000" id="svg_42" height="55.999999" width="403.000005" y="69.4375" x="486.499995" stroke-opacity="null" stroke-width="0" fill="#FFAC8D"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_43" y="103.4375" x="631.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Payload</text>
+  <rect stroke="#000" id="svg_44" height="56" width="140.999999" y="68.4375" x="292.500001" stroke-opacity="null" stroke-width="0" fill="#9ACEE6"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_45" y="105.4375" x="303.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Metadata</text>
+  <rect stroke="#000" id="svg_46" height="53" width="185.999997" y="70.4375" x="90.5" stroke-opacity="null" stroke-width="0" fill="#EDFFFF"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_47" y="104.4375" x="105.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">struct mbuf</text>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_pdump.svg b/doc/guides/howto/img/dtg_pdump.svg
new file mode 100644
index 0000000000..4b14fb7ce8
--- /dev/null
+++ b/doc/guides/howto/img/dtg_pdump.svg
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="860" height="140" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>pdump</title>
+  <rect fill="#fff" id="canvas_background" height="142" width="862" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect stroke="#000" id="svg_15" height="127.999992" width="568" y="7" x="8.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" fill="#B1FFFF"/>
+  <rect id="svg_2" height="51" width="100" y="23" x="22.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#CC7C65"/>
+  <rect id="svg_3" height="51" width="100" y="26" x="455.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#CC7C65"/>
+  <path id="svg_7" d="m208.364769,78.968848l12.704559,-5.623238l12.697917,-5.625551l-12.704644,-5.629525l-12.697836,-5.625202l0,6.255891c-3.112384,0 -6.729051,0 -7.940704,0c-5.776899,0.124913 -12.907107,-3.365352 -20.492742,-7.864703c-2.827801,-1.577599 -5.680695,-3.313223 -8.704363,-4.88042c3.023667,-1.569118 5.872475,-3.302747 8.704363,-4.880295c7.585635,-4.493132 14.715839,-7.98967 20.485292,-7.862546l7.94815,-0.002103l0,6.264275l12.697836,-5.627447l12.704644,-5.631775l-12.704644,-5.637807l-12.697836,-5.629547l0,6.260273l-7.944067,0c-11.799214,0.12679 -20.61742,5.506774 -28.333828,9.879239c-7.660201,4.613909 -14.545738,8.087381 -18.539115,7.862617l-22.780531,0l0,9.993806l22.788007,0c3.989952,-0.226969 10.878944,3.248761 18.53841,7.86254c7.71303,4.374678 16.52785,9.750196 28.330427,9.879312l7.940704,0l0,6.262203l0,0l0,0.000003z" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#559E84"/>
+  <path id="svg_8" d="m439.457308,43.77545l-10.478696,-7.306254l0,8.12971l-18.805519,0c-3.29272,0.296972 -8.977707,-4.212008 -15.298608,-10.195089c-6.365074,-5.675375 -13.639418,-12.638687 -23.37938,-12.824984l-6.552957,0l0,12.959904l6.552957,0c4.770151,-0.167389 10.652051,4.360514 16.914219,10.203329c2.334186,2.041106 4.688512,4.292919 7.183208,6.326016c-2.494696,2.035766 -4.846223,4.290275 -7.183208,6.331424c-6.262164,5.826551 -12.144067,10.365242 -16.908056,10.200515l-6.559117,0l0,12.978808l6.555749,0c9.719269,-0.1646 16.996426,-7.14678 23.382185,-12.814082c6.32147,-5.983193 12.003677,-10.494803 15.299177,-10.203221l18.799357,0l0,8.129634l10.478696,-7.298036l10.484823,-7.303408l-10.484823,-7.314263l-0.000006,-0.000004z" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#559E84"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_9" y="54" x="53.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">RX</text>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_10" y="57" x="486.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">TX</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_11" y="40" x="243.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Q1</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_12" y="77" x="243.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Q2</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_13" y="82" x="326.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Q4</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_14" y="40" x="327.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Q3</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_16" y="114.86203" x="234.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Primary</text>
+  <rect stroke="#000" id="svg_18" height="90.000001" width="201.999994" y="29.437499" x="654.5" stroke-opacity="null" stroke-width="0" fill="#7AD6CA"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_19" y="102.4375" x="684.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Secondary</text>
+  <rect stroke="#000" id="svg_20" height="42.000001" width="184.000001" y="34.437499" x="664.499994" stroke-opacity="null" stroke-width="0" fill="#A0D58A"/>
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+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_22" y="59.4375" x="668.5" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Ring BufferQ</text>
+  <path stroke="#000" transform="rotate(89.78996276855469 615.4766845703124,74.49395751953122) " id="svg_24" d="m599.023803,74.414257l17.255478,-33.667333l15.650356,33.667333l-8.226459,0l0,33.826726l-16.452915,0l0,-33.826726l-8.226459,0z" fill-opacity="null" stroke-opacity="null" stroke-width="0" fill="#7AD6CA"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_25" y="22.4375" x="714.5" fill-opacity="null" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Core 0</text>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_producer_ring.svg b/doc/guides/howto/img/dtg_producer_ring.svg
new file mode 100644
index 0000000000..e300234cd6
--- /dev/null
+++ b/doc/guides/howto/img/dtg_producer_ring.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="634" height="97" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>producer ring</title>
+  <rect fill="#fff" id="canvas_background" height="99" width="636" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_1" height="95" width="135" y="0" x="0" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#9ACEE6"/>
+  <rect id="svg_2" height="95" width="135" y="2" x="252" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#9ACEE6"/>
+  <rect id="svg_3" height="95" width="135" y="2" x="499" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#9ACEE6"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_4" y="45" x="10" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Stage 1</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_5" y="52" x="268" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Stage 2</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_6" y="53" x="517" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Stage 3</text>
+  <path transform="rotate(90.19324493408203 197.864990234375,42.89100646972657) " id="svg_7" d="m175.364991,42.766198l22.499998,-51.875196l22.499998,51.875196l-11.25,0l0,52.12481l-22.499996,0l0,-52.12481l-11.25,0z" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#4D2425"/>
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+  <path id="svg_11" d="m373.937481,45.95781l0,0c0,-10.493411 8.282734,-19.000001 18.500005,-19.000001l0,0c4.906504,0 9.612052,2.00178 13.081477,5.564972c3.469424,3.563191 5.418523,8.395916 5.418523,13.435029l0,0c0,10.493408 -8.282732,18.999997 -18.5,18.999997l0,0c-10.217271,0 -18.500005,-8.50659 -18.500005,-18.999997zm18.500005,-19.000001l0,37.999998m-18.500005,-18.999997l37.000005,0" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#8CD79F"/>
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+</svg>
diff --git a/doc/guides/howto/img/dtg_qos_tx.svg b/doc/guides/howto/img/dtg_qos_tx.svg
new file mode 100644
index 0000000000..9f1d3b80dd
--- /dev/null
+++ b/doc/guides/howto/img/dtg_qos_tx.svg
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="287" height="180" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>qos</title>
+  <rect fill="#fff" id="canvas_background" height="182" width="289" y="-1" x="-1"/>
+  <g display="none" overflow="visible" y="0" x="0" height="100%" width="100%" id="canvasGrid">
+   <rect fill="url(#gridpattern)" stroke-width="0" y="0" x="0" height="100%" width="100%"/>
+  </g>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_21" height="180" width="287" y="0" x="0" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#CBFFFF"/>
+  <rect id="svg_10" height="82" width="78" y="17.808165" x="152.25" stroke-width="1.5" stroke="#000" fill="#CC7C65"/>
+  <rect id="svg_11" height="82" width="78" y="36.808165" x="171.25" stroke-width="1.5" stroke="#000" fill="#CE7975"/>
+  <rect id="svg_12" height="82" width="78" y="59.808165" x="188.25" stroke-width="1.5" stroke="#000" fill="#8B4D4B"/>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_13" y="113.808165" x="211.25" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">TX</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_14" y="161.808165" x="161.25" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Core1</text>
+  <text stroke="#000" transform="matrix(0.47219348024375296,0,0,0.8034176367619965,-95.87709913037096,-156.57412588945806) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_15" y="235.775764" x="531.631651" stroke-opacity="null" stroke-width="0" fill="#000000">NIC1</text>
+  <text stroke="#000" transform="matrix(0.3615568424500273,0,0,0.9358925757041695,106.13283890389599,-107.01445723901463) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_16" y="173.881425" x="192.8023" stroke-opacity="null" stroke-width="0" fill="#000000">NIC2</text>
+  <text stroke="#000" transform="matrix(0.4371257876803068,0,0,0.6973431388181265,223.6990186363727,31.828115819425847) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_17" y="66.670315" x="-70.838675" stroke-opacity="null" stroke-width="0" fill="#000000">NIC3</text>
+  <rect id="svg_18" height="103" width="104" y="26" x="26" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#FABA6F"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_19" y="79" x="50" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">QoS</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_20" y="153" x="27" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">core 10</text>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_rx_rate.svg b/doc/guides/howto/img/dtg_rx_rate.svg
new file mode 100644
index 0000000000..02f8760c50
--- /dev/null
+++ b/doc/guides/howto/img/dtg_rx_rate.svg
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="116" height="152" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>rx rate</title>
+  <rect fill="#fff" id="canvas_background" height="154" width="118" y="-1" x="-1"/>
+  <g display="none" overflow="visible" y="0" x="0" height="100%" width="100%" id="canvasGrid">
+   <rect fill="url(#gridpattern)" stroke-width="0" y="0" x="0" height="100%" width="100%"/>
+  </g>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_1" height="82" width="78" y="0.812613" x="0.75" stroke-width="1.5" stroke="#000" fill="#CC7C65"/>
+  <rect id="svg_2" height="82" width="78" y="19.812613" x="19.75" stroke-width="1.5" stroke="#000" fill="#CE7975"/>
+  <rect id="svg_3" height="82" width="78" y="42.812613" x="36.75" stroke-width="1.5" stroke="#000" fill="#8B4D4B"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_4" y="96.812613" x="59.75" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">RX</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_5" y="144.812613" x="9.75" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Core0</text>
+  <text stroke="#000" transform="matrix(0.47219348024375296,0,0,0.8034176367619965,-95.87709913037096,-156.57412588945806) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_7" y="214.621694" x="210.788594" stroke-opacity="null" stroke-width="0" fill="#000000">NIC1</text>
+  <text stroke="#000" transform="matrix(0.36155684245002745,0,0,0.9358925757041695,-60.867161096103985,-178.0100101290174) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_8" y="231.580355" x="235.672461" stroke-opacity="null" stroke-width="0" fill="#000000">NIC2</text>
+  <text stroke="#000" transform="matrix(0.4371257876803068,0,0,0.6973431388181265,223.6990186363727,31.828115819425847) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_9" y="42.29845" x="-417.420836" stroke-opacity="null" stroke-width="0" fill="#000000">NIC3</text>
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+</svg>
diff --git a/doc/guides/howto/img/dtg_rx_tx_drop.svg b/doc/guides/howto/img/dtg_rx_tx_drop.svg
new file mode 100644
index 0000000000..ca1484862d
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+++ b/doc/guides/howto/img/dtg_rx_tx_drop.svg
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="275" height="154" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>rx-tx drops</title>
+  <rect fill="#fff" id="canvas_background" height="156" width="277" y="-1" x="-1"/>
+  <g display="none" overflow="visible" y="0" x="0" height="100%" width="100%" id="canvasGrid">
+   <rect fill="url(#gridpattern)" stroke-width="0" y="0" x="0" height="100%" width="100%"/>
+  </g>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect id="svg_1" height="82" width="78" y="0.808165" x="0.75" stroke-width="1.5" stroke="#000" fill="#CC7C65"/>
+  <rect id="svg_2" height="82" width="78" y="19.808165" x="19.75" stroke-width="1.5" stroke="#000" fill="#CE7975"/>
+  <rect id="svg_3" height="82" width="78" y="42.808165" x="36.75" stroke-width="1.5" stroke="#000" fill="#8B4D4B"/>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_4" y="96.808165" x="59.75" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">RX</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_5" y="144.808165" x="9.75" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Core0</text>
+  <text stroke="#000" transform="matrix(0.47219348024375296,0,0,0.8034176367619965,-95.87709913037096,-156.57412588945806) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_7" y="214.616159" x="210.788594" stroke-opacity="null" stroke-width="0" fill="#000000">NIC1</text>
+  <text stroke="#000" transform="matrix(0.3615568424500274,0,0,0.9358925757041695,-60.867161096103985,-178.01445723901463) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_8" y="231.580355" x="235.672461" stroke-opacity="null" stroke-width="0" fill="#000000">NIC2</text>
+  <text stroke="#000" transform="matrix(0.4371257876803068,0,0,0.6973431388181265,223.6990186363727,31.828115819425847) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_9" y="42.292073" x="-417.420836" stroke-opacity="null" stroke-width="0" fill="#000000">NIC3</text>
+  <rect id="svg_10" height="82" width="78" y="2.808165" x="159.75" stroke-width="1.5" stroke="#000" fill="#CC7C65"/>
+  <rect id="svg_11" height="82" width="78" y="21.808165" x="178.75" stroke-width="1.5" stroke="#000" fill="#CE7975"/>
+  <rect id="svg_12" height="82" width="78" y="44.808165" x="195.75" stroke-width="1.5" stroke="#000" fill="#8B4D4B"/>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_13" y="98.808165" x="218.75" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">TX</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_14" y="146.808165" x="168.75" stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">Core1</text>
+  <text stroke="#000" transform="matrix(0.47219348024375296,0,0,0.8034176367619965,-95.87709913037096,-156.57412588945806) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_15" y="217.105524" x="547.514971" stroke-opacity="null" stroke-width="0" fill="#000000">NIC1</text>
+  <text stroke="#000" transform="matrix(0.36155684245002734,0,0,0.9358925757041695,98.13283890389599,-176.01445723901463) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_16" y="231.580355" x="235.672461" stroke-opacity="null" stroke-width="0" fill="#000000">NIC2</text>
+  <text stroke="#000" transform="matrix(0.4371257876803068,0,0,0.6973431388181265,223.6990186363727,31.828115819425847) " font-style="italic" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_17" y="45.160101" x="-53.681142" stroke-opacity="null" stroke-width="0" fill="#000000">NIC3</text>
+ </g>
+</svg>
diff --git a/doc/guides/howto/img/dtg_sample_app_model.svg b/doc/guides/howto/img/dtg_sample_app_model.svg
new file mode 100644
index 0000000000..b876aa3b63
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+++ b/doc/guides/howto/img/dtg_sample_app_model.svg
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+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
+
+<svg width="1418" height="379" xmlns="http://www.w3.org/2000/svg">
+ <g>
+  <title>sample application model</title>
+  <rect fill="#fff" id="canvas_background" height="381" width="1420" y="-1" x="-1"/>
+ </g>
+ <g>
+  <title>Layer 1</title>
+  <rect stroke="#000" id="svg_84" height="378.999996" width="1417.999937" y="0" x="0" stroke-opacity="null" stroke-width="0" fill="#B1FFFF"/>
+  <rect stroke="#000" id="svg_1" height="79.999993" width="187.000011" y="267" x="635.499996" stroke-opacity="null" stroke-width="0" fill="#9ACEE6"/>
+  <rect stroke="#000" id="svg_14" height="28.000001" width="175.000003" y="271.437495" x="641" stroke-opacity="null" stroke-width="0" fill="#FFB27C"/>
+  <rect stroke="#000" id="svg_16" height="36.000002" width="142" y="304.437495" x="659" stroke-opacity="null" stroke-width="0" fill="#FFE7A2"/>
+  <text stroke="#000" transform="matrix(0.7497134942573729,0,0,0.7607963681117937,149.70768863149087,72.0554119542491) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_18" y="335.740664" x="684.214296"
+   stroke-opacity="null" stroke-width="0" fill="#000000">Health Check</text>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_23" y="368.437495" x="685"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">core 7</text>
+  <text stroke="#000" transform="matrix(0.7446371555386645,0,0,0.7004599746900311,157.05848471617847,107.2548065316271) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_25" y="261.052167" x="658.840014"
+   stroke-opacity="null" stroke-width="0" fill="#000000">Stats Collector</text>
+  <rect id="svg_26" height="91" width="88" y="89.4375" x="2"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#FFA9A2"/>
+  <rect id="svg_27" height="91" width="88" y="107.4375" x="24"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#CE7975"/>
+  <text style="cursor: move;" xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_28" y="166.4375" x="52"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#ffffff">RX</text>
+  <text stroke="#000" transform="matrix(0.6111111044883728,0,0,0.6666666865348816,14.972222477197647,39.14583100005984) " xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_30" y="96.937501" x="-11.409091"
+   stroke-opacity="null" stroke-width="0" fill="#000000">NIC 1</text>
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+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">core 6</text>
+  <text xml:space="preserve" text-anchor="start" font-family="'Courier New', Courier, monospace" font-size="24" id="svg_73" y="220.4375" x="885"
+   stroke-opacity="null" stroke-width="0" stroke="#000" fill="#000000">core 2,3,4</text>
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diff --git a/doc/guides/howto/img/dtg_service.svg b/doc/guides/howto/img/dtg_service.svg
new file mode 100644
index 0000000000..fa72de823f
--- /dev/null
+++ b/doc/guides/howto/img/dtg_service.svg
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Method Draw (https://editor.method.ac/) -->
+<!-- SPDX-License-Identifier: BSD-3-Clause -->
+<!-- Copyright(c) 2018-2019 Intel Corporation -->
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+<svg width="254" height="145" xmlns="http://www.w3.org/2000/svg">
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+  <title>service</title>
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+</svg>
-- 
2.20.1