Megatest

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<h2 class="Section">
<a class="toc" name="toc-Section-3.2">3.2</a> Simple Test with Multiple Steps 
</h2>
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To run multiple steps simply add them to the main.csh file. Here we add a step to test “cpu2”. The second step that tests cpu2 will only run after the step that tested “cpu1” completes.
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<a class="toc" name="toc-Paragraph-9"></a><div class="listing">
<pre class="listing">#!/bin/tcsh -x
​
# run the cpu1 simulation.
#   The step name is "run_simulation"
#   The commandline being run for this step is "runsim cpu1"
#   The logpro file to validate the output from the run is "runsim.logpro"
​

<h3 class="Subsection">
<a class="toc" name="toc-Subsection-3.3.1">3.3.1</a> The Makefile
</h3>
<div class="Unindented">
A good way to run steps in parallel within a single test, especially when there are following steps, is to use the Unix Make utility. Writing Makefiles is beyond the scope of this document but here is a minimal example that will run “runsim cpu1” and “runsim cpu2” in parallel. For more information on make try “info make” at the Linux command prompt.
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<div class="Paragraph">
<a class="toc" name="toc-Paragraph-10"></a><div class="listing">
<pre class="listing"># Example Makefile to run two steps in parallel
​
RTLDIR=/path/to/rtl
CPUS = cpu1 cpu2
​
run_simulation_$(CPUS).html : $(RTLDIR)/$(CPUS)
	$(MEGATEST) -runstep run_simulation_$(CPUS) -logpro runsim.logpro "runsim $(CPUS)

<div class="Unindented">
Since no jobs run after the cpu1 and cpu2 simulations in this test it is possible to use iterated mode.
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<h3 class="Subsection">
<a class="toc" name="toc-Subsection-3.4.1">3.4.1</a> Update you testconfig file for iteration
</h3>
<div class="Paragraph">
<a class="toc" name="toc-Paragraph-11"></a><div class="listing">
<pre class="listing">[setup]
runscript main.csh
​
[items]
CPU cpu1 cpu2
</pre>
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</div>
<h3 class="Subsection">
<a class="toc" name="toc-Subsection-3.4.2">3.4.2</a> Rewrite your main.csh for iteration
</h3>
<div class="Paragraph">
<a class="toc" name="toc-Paragraph-12"></a><div class="listing">
<pre class="listing">#!/bin/tcsh -x
​
# run the cpu simulation but now use the environment variable $CPU
# to select what cpu to run the simulation against
​
$MEGATEST -runstep run_simulation -logpro runsim.logpro "runsim $CPU"
</pre>

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