Fix on the indexing of VFATs in GEM onlineDQM, backport to CMSSW_11_2_X

[quark2]

PR description:

We modified the structure of GEM onlineDQM in the last time (#32791, #32792), and this is a fix for an issue on the indexing of VFATs. No fix on DQM GUI is necessary for this.

This is for the backport to CMSSW_11_2_X.

PR validation:

Test are done and one can check again by runTheMatrix workflows

@jshlee @watson-ij @hyunyong

[cmsbuild]

A new Pull Request was created by @quark2 for CMSSW_11_2_X.

It involves the following packages:

DQM/GEM

@andrius-k, @kmaeshima, @ErnestaP, @ahmad3213, @cmsbuild, @jfernan2, @rvenditti can you please review it and eventually sign? Thanks.
@watson-ij this is something you requested to watch as well.
@silviodonato, @dpiparo, @qliphy you are the release manager for this.

cms-bot commands are listed here

• Backported from Fix on the indexing of VFATs in GEM onlineDQM #33193

[jfernan2]

please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-d6f1b9/13559/summary.html
COMMIT: 27f56e9
CMSSW: CMSSW_11_2_X_2021-03-16-1100/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/33192/13559/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 8 differences found in the comparisons
• DQMHistoTests: Total files compared: 36
• DQMHistoTests: Total histograms compared: 2527501
• DQMHistoTests: Total failures: 13
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2527466
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 35 files compared)
• Checked 151 log files, 37 edm output root files, 36 DQM output files
• TriggerResults: no differences found

[jfernan2]

+1
Tested at Online DQM at P5 too

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_11_2_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_11_3_X is complete. This pull request will now be reviewed by the release team before it's merged. @silviodonato, @dpiparo, @qliphy (and backports should be raised in the release meeting by the corresponding L2)

[jfernan2]

backport of #33193

[qliphy]

+1