Beam Spot Monitoring

Introduction

This twiki describes the ongoing development of implementing beam spot monitoring to Online/Offline DQM and how to use it.

How to use it

1) Check out the codes:

cmsrel CMSSW_2_2_5
cd CMSSW_2_2_5/src
cmsenv
cmscvsroot CMSSW
cvs co -d UserCode/BeamSpotMonitoring UserCode/Jeng/BeamSpotMonitoring
scramv1 b
cd UserCode/BeamSpotMonitoring/test/

2) Start DQM Gui Server:

  • Follow the instruction under the section of "Starting the GUI server"
  • Remember to stop GUI server and collector when you are done with the test. See "Stopping the GUI server and the collector"

3) Edit dqmStandalone_cfg.py (or dqmReadFromRAW_cfg), change <DQM Gui Server Host> to the machine that runs gui service

process.ep = cms.EndPath(process.outP)
process.p = cms.Path(process.dqmSource+process.dqmClient+process.dqmEnv+process.dqmSaver)

process.DQMStore.verbose = 0
process.DQMStore.collateHistograms = False

process.DQM.collectorHost = "<DQM Gui Server Host>"
process.DQM.collectorPort = 9190

process.dqmSaver.convention = 'Online'
process.dqmSaver.dirName = '/tmp'
process.dqmSaver.producer = 'DQM'

process.dqmEnv.subSystemFolder = 'BeamSpotMonitor'

4) Run:

cmsRun dqmStandalone_cfg.py

5) Open web browser to check histograms:

http://<DQM Gui Server Host>:8888/dqm/devtest

Histograms

Lists of the proposed histograms:

d0bs.png

TBD.

Plan

TBD.

-- GengyuanJeng - 24 Mar 2009

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Topic revision: r3 - 2009-03-30 - GengyuanJeng
 
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