Profiling tools update.

[gartung]

Add toolfile for Google perftools profiler library.
Update libunwind and gpertools version to latest.
Build igprof with internal debug messages enabled by env var.

[cmsbuild]

A new Pull Request was created by @gartung (Patrick Gartung) for branch IB/CMSSW_12_0_X/master.

@cmsbuild, @smuzaffar, @mrodozov can you please review it and eventually sign? Thanks.
cms-bot commands are listed here

[cmsbuild]

Pull request #6854 was updated.

[gartung]

please test with cms-sw/cmssw#33566

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f4a577/14676/summary.html
COMMIT: 0d26bff
CMSSW: CMSSW_12_0_X_2021-04-28-1100/slc7_amd64_gcc900
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/6854/14676/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• Run4-hgx282X Introduce ESGetToken in all classes in Validation/HGCalValidation/test cmssw#33540 @bsunanda: Run4-hgx282X Introduce ESGetToken in all classes in Validation/HGCalValidation/test
• re-introduce IORawData/CSCCommissioning module for CSC data files conversion cmssw#33437 @barvic: re-introduce IORawData/CSCCommissioning module for CSC data files conversion
• TkDQM phase2: Remove validation header from DQM package cmssw#33557 @sroychow: TkDQM phase2: Remove validation header from DQM package

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f4a577/14676/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-f4a577/14676/git-merge-result

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 0 differences found in the comparisons
• DQMHistoTests: Total files compared: 38
• DQMHistoTests: Total histograms compared: 2877605
• DQMHistoTests: Total failures: 2
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 2877581
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 37 files compared)
• Checked 160 log files, 37 edm output root files, 38 DQM output files
• TriggerResults: no differences found

[smuzaffar]

+externals

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_12_0_X/master IBs (tests are also fine). 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)

[smuzaffar]

this PR should go in the IB before cms-sw/cmssw#33566