CMSSW commands I will forget

Command	Usage
scram l	List all CMSSW releases
scram b -j 8	Compile
git cms-init	Links the CMSSW release to my private CMSSW fork
git cms-addpkg <pkg_name>	Add package you want to modify
runTheMatrix.py	List and get the HLT configurations
runTheMatrix.py -l limited --show	List commands run by the IB tests
runTheMatrix.py -nel 34434.0	Show the commands of the workflow
edmConfigDump step.py > file.txt	Print all configuration in one long file
git cms-checkdeps	List all packages that inherit from the Dataformat you changed
git cms-checkdeps -a -A	Download only the missing packages that depend on your changes
git cms-rebase-topic	Rebase but safer (e.g. git cms-rebase-topic user:branch)
git cms-merge-topic	Merge but safer (e.g. git cms-merge-topic 48425)
scram b code-format	Good indentation
scram b code-checks	Code dependencies
edmPluginDump \| grep PFValidator	Checks that the class is correctly defined in the FW
<flags CXX_FLAGS="-g -O0"/>	Insert in the build file for activating debug mode
env USER_CXXFLAGS='-g -O0' scram b -j	Then comile and look for sig_dostack_then_abort
cmsRun dumpRecoGeometry_cfg.py tag=Run4 version=D110	Dump geometry for EventDisplay

Other instructions

• Activate the cmssw environment on the openlab machines with:

source /cvmfs/cms.cern.ch/cmsset_default.sh

• Run the matrix example:

runTheMatrix.py -l 29634.0 -w upgrade -j 10 --ibeos --nEvents 10 -j 10 -i all

Errors

• undefined reference to 'VTT for SimpleTrackValidationPtBins'
  The distructor is not well defined. Replace ~SimpleTrackValidationPtBins() override; with ~SimpleTrackValidationPtBins() override = default;