documentation about triva - installation, execution and time-slice description

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@7475 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/buildtools/Cmake/src/CMakeDocs.txt b/buildtools/Cmake/src/CMakeDocs.txt
index 1dbde2d..8d725a0 100644 (file)
--- a/buildtools/Cmake/src/CMakeDocs.txt
+++ b/buildtools/Cmake/src/CMakeDocs.txt
@@ -94,6 +94,7 @@ if(MAKE_DOC)
                endforeach(file ${PNGS})
 
                exec_program("cp ${PROJECT_DIRECTORY}/doc/webcruft/Paje_MSG_screenshot_thn.jpg ${PROJECT_DIRECTORY}/doc/webcruft/Paje_MSG_screenshot.jpg ${PROJECT_DIRECTORY}/doc/html/"  "${PROJECT_DIRECTORY}/doc/")
                endforeach(file ${PNGS})
 
                exec_program("cp ${PROJECT_DIRECTORY}/doc/webcruft/Paje_MSG_screenshot_thn.jpg ${PROJECT_DIRECTORY}/doc/webcruft/Paje_MSG_screenshot.jpg ${PROJECT_DIRECTORY}/doc/html/"  "${PROJECT_DIRECTORY}/doc/")

+               exec_program("cp ${PROJECT_DIRECTORY}/doc/triva-time_interval.png ${PROJECT_DIRECTORY}/doc/html/"  "${PROJECT_DIRECTORY}/doc/")

                exec_program("cp ${PROJECT_DIRECTORY}/doc/simgrid.css ${PROJECT_DIRECTORY}/doc/html/"  "${PROJECT_DIRECTORY}/doc/") 
 
                set(top_srcdir "..")
                exec_program("cp ${PROJECT_DIRECTORY}/doc/simgrid.css ${PROJECT_DIRECTORY}/doc/html/"  "${PROJECT_DIRECTORY}/doc/") 
 
                set(top_srcdir "..")

diff --git a/doc/FAQ.doc b/doc/FAQ.doc
index 66f2f86..1e10e5f 100644 (file)
--- a/doc/FAQ.doc
+++ b/doc/FAQ.doc
@@ -1808,6 +1808,91 @@ int main (int argc, char **argv)
 }
 \endverbatim
 
 }
 \endverbatim
 

+\subsubsection faq_tracing_analyzing Analyzing the SimGrid Traces
+
+The SimGrid library, during an instrumented simulation, creates a trace file in
+the Paje file format that contains the platform utilization for the simulation
+that was executed. The visualization analysis of this file is performed with the
+visualization tool <a href="http://triva.gforge.inria.fr">Triva</a>, with
+special configurations tunned to SimGrid needs. This part of the documentation
+explains how to configure and use Triva to analyse a SimGrid trace file.
+
+- <b>Installing Triva</b>: the tool is available in the INRIAGforge, 
+at <a href="http://triva.gforge.inria.fr">http://triva.gforge.inria.fr</a>.
+Use the following command to get the sources, and then check the file
+<i>INSTALL.simplified</i>. This file contains instructions to install
+the tool's dependencies in a Ubuntu/Debian Linux.
+\verbatim
+$ svn checkout svn://scm.gforge.inria.fr/svn/triva
+$ cd triva
+$ cat INSTALL.simplified
+\endverbatim
+
+- <b>Executing Triva</b>: a binary called <i>Triva</i> is available after the
+  installation (you can execute it passing <em>--help</em> to check its
+options). If the triva binary is not available after following the
+installation instructions, you may want to execute the following command to
+initialize the GNUstep environment variables (note that the location of the
+<i>GNUstep.sh</i> file may vary depending on your GNUstep installation - the
+command is known to work in Ubuntu and Debian Linux):
+\verbatim
+$ source /usr/share/GNUstep/Makefiles/GNUstep.sh
+\endverbatim
+You should be able to see this output after the installation of triva:
+\verbatim
+$ ./Triva.app/Triva --help
+Usage: Triva [OPTION...] TRACEFILE
+Trace Analysis through Visualization
+
+ You need to use one of the following options:
+  -g, --graph                Graph Analysis
+  -t, --treemap              Treemap Analysis
+
+ Other auxiliary options to check the trace file:
+  -c, --check                Check the integrity of trace file
+  -h, --hierarchy            Export the trace type hierarchy
+
+  -?, --help                 Give this help list
+      --usage                Give a short usage message
+\endverbatim
+Triva expects that the user choose one of the available options 
+(currently <em>--graph</em> or <em>--treemap</em> for a visualization analysis)
+and the trace file from the simulation.
+
+- <b>Understanding Triva - time-slice</b>: the analysis of a trace file using
+  the tool always takes into account the concept of the <em>time-slice</em>.
+This concept means that what is being visualized in the screen is always
+calculated considering a specific time frame, with its beggining and end
+timestamp. The time-slice is configured by the user and can be changed
+dynamically through the window called <em>Time Interval</em> that is opened
+whenever a trace file is being analyzed. The next figure depicts the time-slice
+configuration window.
+In the top of the window, in the space named <i>Trace Time</i>,
+the two fields show the beggining of the trace (which usually starts in 0) and
+the end (that depends on the time simulated by SimGrid). The middle of the
+window, in the square named <i>Time Slice Configuration</i>, contains the
+aspects related to the time-slice, including its <i>start</i> and its
+<i>size</i>. The gray rectangle in the bottom of this part indicates the 
+<i>current time-slice</i> that is considered for the drawings. If the checkbox 
+<i>Update Drawings on Sliders Change</i> is not selected, the button
+<i>Apply</i> must be clicked in order to inform triva that the
+new time-slice must be considered. The bottom part of the window, in the space
+indicated by the square <i>Time Slice Animation</i> can be used to advance
+the time-frame automatically. The user configures the amount of time that the
+time-frame will forward and how frequent this update will happen. Once this is
+configured, the user clicks the <i>Play</i> button in order to see the dynamic
+changes on the drawings.
+<center>
+\htmlonly
+<a href="triva-time_interval.png" border=0><img src="triva-time_interval.png" width="50%" border=0></a>
+\endhtmlonly
+</center>
+<b>Remarks:</b> when the trace has too many hosts or links, the computation to
+take into account a new time-slice can be expensive. When this happens, the
+<i>Frequency</i> parameter, but also updates caused by change on configurations
+when the checkbox <i>Update Drawings on Sliders
+Change</i> is selected will not be followed.
+

 \section faq_troubleshooting Troubleshooting
 
 \subsection faq_trouble_lib_compil SimGrid compilation and installation problems
 \section faq_troubleshooting Troubleshooting
 
 \subsection faq_trouble_lib_compil SimGrid compilation and installation problems

diff --git a/doc/triva-time_interval.png b/doc/triva-time_interval.png
new file mode 100644 (file)
index 0000000..b321914
Binary files /dev/null and b/doc/triva-time_interval.png differ

diff --git a/doc/triva-time_interval.svg b/doc/triva-time_interval.svg
new file mode 100644 (file)
index 0000000..ba1475e
--- /dev/null
+++ b/doc/triva-time_interval.svg
@@ -0,0 +1,552 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="573.99164"
+   height="495"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.47pre4 r22446"
+   sodipodi:docname="triva-time_interval.svg">
+  <defs
+     id="defs4">
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend"
+       style="overflow:visible">
+      <path
+         id="path3782"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <marker
+       inkscape:stockid="Arrow1Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow1Lend"
+       style="overflow:visible">
+      <path
+         id="path3764"
+         d="M 0,0 5,-5 -12.5,0 5,5 0,0 z"
+         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;marker-start:none"
+         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
+    </marker>
+    <inkscape:perspective
+       sodipodi:type="inkscape:persp3d"
+       inkscape:vp_x="0 : 526.18109 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_z="744.09448 : 526.18109 : 1"
+       inkscape:persp3d-origin="372.04724 : 350.78739 : 1"
+       id="perspective10" />
+    <inkscape:perspective
+       id="perspective2824"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3612"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3634"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3656"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3674"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3696"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3718"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective3740"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4402"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-4"
+       style="overflow:visible">
+      <path
+         id="path3782-4"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4430"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4455"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-9"
+       style="overflow:visible">
+      <path
+         id="path3782-3"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4483"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-2"
+       style="overflow:visible">
+      <path
+         id="path3782-2"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4511"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4536"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-3"
+       style="overflow:visible">
+      <path
+         id="path3782-1"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4564"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-98"
+       style="overflow:visible">
+      <path
+         id="path3782-8"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4592"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4619"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-37"
+       style="overflow:visible">
+      <path
+         id="path3782-49"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4647"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4674"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-7"
+       style="overflow:visible">
+      <path
+         id="path3782-6"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4702"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-48"
+       style="overflow:visible">
+      <path
+         id="path3782-23"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4730"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4757"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-6"
+       style="overflow:visible">
+      <path
+         id="path3782-28"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4785"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <inkscape:perspective
+       id="perspective4814"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+    <marker
+       inkscape:stockid="Arrow2Lend"
+       orient="auto"
+       refY="0"
+       refX="0"
+       id="Arrow2Lend-73"
+       style="overflow:visible">
+      <path
+         id="path3782-32"
+         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
+         d="M 8.7185878,4.0337352 -2.2072895,0.01601326 8.7185884,-4.0017078 c -1.7454984,2.3720609 -1.7354408,5.6174519 -6e-7,8.035443 z"
+         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
+    </marker>
+    <inkscape:perspective
+       id="perspective4842"
+       inkscape:persp3d-origin="0.5 : 0.33333333 : 1"
+       inkscape:vp_z="1 : 0.5 : 1"
+       inkscape:vp_y="0 : 1000 : 0"
+       inkscape:vp_x="0 : 0.5 : 1"
+       sodipodi:type="inkscape:persp3d" />
+  </defs>
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.35"
+     inkscape:cx="390.75467"
+     inkscape:cy="55.770122"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     inkscape:window-width="1440"
+     inkscape:window-height="876"
+     inkscape:window-x="1920"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-63.011158,-193.86217)">
+    <image
+       y="193.86217"
+       x="195.42857"
+       id="image3658"
+       height="495"
+       width="312"
+       xlink:href="file:///home/schnorr/Desktop/Screenshot-Triva%20-%20Time%20Interval-1.png" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="64.285713"
+       y="237.8446"
+       id="text3662"><tspan
+         sodipodi:role="line"
+         id="tspan3664"
+         x="64.285713"
+         y="237.8446"
+         style="font-size:16px">Trace Start Time</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 142.85714,243.79075 c 14.6599,25.14101 75.71317,17.26193 81.42857,17.14286"
+       id="path3756"
+       sodipodi:nodetypes="cc" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 566.54165,245.38145 c -14.6599,25.14101 -75.71317,17.26193 -81.42857,17.14286"
+       id="path3756-3"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="509.96484"
+       y="237.8446"
+       id="text3662-9"><tspan
+         sodipodi:role="line"
+         id="tspan3664-7"
+         x="509.96484"
+         y="237.8446"
+         style="font-size:16px">Trace End Time</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 142.02978,353.95287 c 14.6599,25.14101 75.71317,17.26193 81.42857,17.14286"
+       id="path3756-7"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="66.393417"
+       y="350.46991"
+       id="text3662-3"><tspan
+         sodipodi:role="line"
+         id="tspan3664-8"
+         x="66.393417"
+         y="350.46991"
+         style="font-size:16px">Time-Slice Start</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 560.8281,393.91765 c -14.6599,25.14101 -75.71317,17.26193 -81.42857,17.14286"
+       id="path3756-3-6"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="509.65402"
+       y="390.46988"
+       id="text3662-3-7"><tspan
+         sodipodi:role="line"
+         id="tspan3664-8-4"
+         x="509.65402"
+         y="390.46988"
+         style="font-size:16px">Time-Slice Size</tspan></text>
+    <rect
+       style="fill:none;stroke:#ff0000;stroke-width:2;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       id="rect4609"
+       width="52.142853"
+       height="42.142853"
+       x="295.71429"
+       y="485.21933" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 160.60121,487.5243 c 14.6599,25.14101 127.14174,19.40479 132.85714,19.28572"
+       id="path3756-7-4"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="106.0826"
+       y="461.89844"
+       id="text3662-3-6"><tspan
+         sodipodi:role="line"
+         id="tspan3664-8-6"
+         x="106.0826"
+         y="461.89844"
+         style="font-size:16px">Current</tspan><tspan
+         sodipodi:role="line"
+         x="106.0826"
+         y="481.89844"
+         style="font-size:16px"
+         id="tspan4664">Time-Slice</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 561.54238,575.34623 c -14.6599,25.14101 -75.71317,17.26193 -81.42857,17.14286"
+       id="path3756-3-6-8"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="511.59653"
+       y="531.89844"
+       id="text3662-3-7-2"><tspan
+         sodipodi:role="line"
+         id="tspan3664-8-4-0"
+         x="511.59653"
+         y="531.89844"
+         style="font-size:16px">Time-Slice</tspan><tspan
+         sodipodi:role="line"
+         x="511.59653"
+         y="551.89844"
+         style="font-size:16px"
+         id="tspan4802">goes forward of</tspan><tspan
+         sodipodi:role="line"
+         x="511.59653"
+         y="571.89844"
+         style="font-size:16px"
+         id="tspan4804">this amount</tspan></text>
+    <path
+       style="fill:none;stroke:#000000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;marker-end:url(#Arrow2Lend)"
+       d="m 141.3155,614.66716 c 14.6599,25.14101 75.71317,17.26193 81.42857,17.14286"
+       id="path3756-7-0"
+       sodipodi:nodetypes="cc" />
+    <text
+       xml:space="preserve"
+       style="font-size:40px;font-style:normal;font-weight:normal;fill:#000000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="62.128345"
+       y="570.46985"
+       id="text3662-3-7-2-2"><tspan
+         sodipodi:role="line"
+         x="62.128345"
+         y="570.46985"
+         style="font-size:16px"
+         id="tspan4804-9">Screen is update</tspan><tspan
+         sodipodi:role="line"
+         x="62.128345"
+         y="590.46985"
+         style="font-size:16px"
+         id="tspan4884">every this</tspan><tspan
+         sodipodi:role="line"
+         x="62.128345"
+         y="610.46985"
+         style="font-size:16px"
+         id="tspan4886">amount of time</tspan><tspan
+         sodipodi:role="line"
+         x="62.128345"
+         y="630.46985"
+         style="font-size:16px"
+         id="tspan4880" /></text>
+  </g>
+</svg>