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ITS Quality Assurance (& DQM)

ITS Quality Assurance (& DQM). P. Cerello, P. Christakoglou, W. Ferrarese, M. Nicassio, M. Siciliano. ALICE OFFLINE WEEK – April 2008. Summary. ITS Offline QA Approach Status Plans ITS QA code for the Online DQM Status What’s Next…. Offline QA. Approach

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ITS Quality Assurance (& DQM)

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  1. ITS Quality Assurance(& DQM) P. Cerello, P. Christakoglou, W. Ferrarese, M. Nicassio, M. Siciliano ALICE OFFLINE WEEK – April 2008

  2. Summary • ITS Offline QA • Approach • Status • Plans • ITS QA code for the Online DQM • Status • What’s Next…

  3. Offline QA • Approach • Minimize code duplication (SDD & SSD) • Code for QA & DQM in AliRoot • amoreAgent to drive the DQM, which calls AliRoot • DQM GUI in Amore • Online Monitoring • Used during the last cosmic run • Build QA distributions on real Data

  4. SOURCE Definition of monitored objects Code implementation Code in SVN Warnings Comparison with ref. data Online - RAW READY IN PROGRESS NOT STARTED Online - RecP Offline - RAW Offline - RecPoints Offline - ESD Offline - Digits SPD QA • Implementation status

  5. SPD QA • Implementation status

  6. SOURCE Definition of monitored objects Code implementation Code in SVN Warnings Comparison with ref. data Online - RAW Online - RecP READY IN PROGRESS NOT STARTED Offline - RAW Offline - RecPoints Offline - ESD Offline - Digits SSD QA • Implementation status

  7. Event type SSD data size SSD data size/ DAQ data size SSD data size per DDL DDL map LDC map SSD QA - RAWS • Data size distribution for each DDL • Data size distribution for each LDC • Occupancy as a function of the pair (Nladder,Nmodule)

  8. READY IN PROGRESS NOT STARTED SDD QA • Implementation status SOURCE Definition of monitored objects Code implementation Code in SVN Warnings Comparison with ref. data Online - RAW Online - RecP Offline - RAW Offline - RecPoints Offline - ESD Offline - Digits

  9. SDD QA/DQM • Module map for injector run

  10. SDD QA/DQM • Cluster charge

  11. SDD QA/DQM • Cluster Global coordinates Layer 4 Layer 3

  12. SDD DQM • SDD Amore/DQM GUI

  13. What’s Next? • ONLINE DQM/QA • SPD • Until now, stay with MOOD • SDD/SSD • AMORE + AliRoot • Improve the GUI • Optimize the updating frequency (-> speed) • Add long-term detector controls (SDDs) • Drift speed vs time • Baseline vs time • … • Minimize the number of histograms… • Exploit the improvements in the new AMORE version • Custom time interval for update • New Subscribe procedure • AMORE improvements wishlist • Update histograms dynamically ONLY when they are requested from a GUI agent (minimize task load…)

  14. What’s Next? • OFFLINE QA • SPD/SDD/SSD • Improve the DataMaker implementation • QA Checker implementation • Define the reference distributions • This is the difficult part • The detector behaviour is not understood (yet) • It can be implemented on simulated data, but it is meaningless (you get what you put…) • Reference distributions should be blessed by the hardware people • Implement the QA set of checks and provide the QA result • Who does the SPD/SDD/SSD merging?

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