[102X] NanoAOD: add flag to keep all PS weights

[swertz]

if this PR is a backport please specify the original PR and why you need to backport that PR:

Backport of #31276 to fix nanoAOD workflows crashing in 102X because of cms-nanoAOD#538

@agrohsje

[cmsbuild]

A new Pull Request was created by @swertz (Sébastien Wertz) for CMSSW_10_2_X.

It involves the following packages:

PhysicsTools/NanoAOD

@gouskos, @cmsbuild, @fgolf, @mariadalfonso, @santocch, @peruzzim can you please review it and eventually sign? Thanks.
@gpetruc 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

[mariadalfonso]

please test

[cmsbuild]

The tests are being triggered in jenkins.

• CMSSW_10_2_X_2020-09-29-2300/slc6_amd64_gcc700: https://cmssdt.cern.ch/jenkins/job/ib-run-pr-tests/9658/console Started: 2020/09/30 10:14

[cmsbuild]

+1
Tested at: a33203d
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8c7056/9658/summary.html
CMSSW: CMSSW_10_2_X_2020-09-29-2300
SCRAM_ARCH: slc6_amd64_gcc700

[cmsbuild]

Comparison job queued.

[cmsbuild]

Comparison is ready
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-8c7056/9658/summary.html

Comparison Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 31
• DQMHistoTests: Total histograms compared: 3007544
• DQMHistoTests: Total failures: 3
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3007351
• DQMHistoTests: Total skipped: 190
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.434 KiB( 30 files compared)
• DQMHistoSizes: changed ( 1325.7 ): 0.434 KiB Physics/NanoAODDQM
• Checked 129 log files, 14 edm output root files, 31 DQM output files

[mariadalfonso]

+xpog

backport inline with changes in master and 10_6

This is needed to follow up on these failing samples
https://cms-pdmv.cern.ch/mcm/requests?prepid=HIG-RunIIFall17NanoAODv7-0*&dataset_name=*NMSSM_XToYHTo4b_MX-*_TuneCP5_13TeV-madgraph-pythia8*&page=0&shown=4294967423
The other changes in the PR would not affect the content as they are protected by the keepAllPSWeights = cms.bool(False)

[silviodonato]

merge

[santocch]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_10_2_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_11_2_X is complete. This pull request will be automatically merged.