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kpedro88/FixIgprof106X.sh

Last active October 19, 2021 20:44
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README.md

Fix igprof for CMSSW_10_6_X

igprof may hang in CMSSW_10_6_X because of a bad interaction between itself, popen/fork, and tbb. This manifests in a call to GetLinuxSysInfo(), which occurs in the constructor of TMVA::Config in ROOT 6.14. To mitigate this issue, a modified libTMVA.so is distributed here. The modification can be viewed at kpedro88:root/cms/v6-14-00-patches/8ba6b0f_fixIgprof_106X.

To install this modification in a CMSSW_10_6_X area (these instructions assume cmsrel and cmsenv have already been called, i.e. the area has been created and the environment is active):

wget https://gist.githubusercontent.com/kpedro88/fee1e6d1ff5b9e4ee96c4ac1203c23d4/raw/FixIgprof106X.sh
chmod +x FixIgprof106X.sh
./FixIgprof106X.sh
cmsenv
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FixIgprof106X.sh
#!/bin/bash
TOOLS=$CMSSW_BASE/config/toolbox/slc7_amd64_gcc700/tools/selected
GIST=fee1e6d1ff5b9e4ee96c4ac1203c23d4
mkdir $CMSSW_BASE/rootfix
cd $CMSSW_BASE/rootfix
lndir $ROOTSYS
cp ${TOOLS}/root_interface.xml root_interface.xml.orig
git clone https://gist.github.com/fee1e6d1ff5b9e4ee96c4ac1203c23d4.git
cp -f ${GIST}/libTMVA.so lib/
cp -f ${GIST}/root_interface.xml ${TOOLS}/
scram setup root_interface
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libTMVA.so
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root_interface.xml
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