CERN, Apr 14, 2011 Michele Bianco 1

RPC/LVL1 DQA Report

M. Bianco,

on behalf of RPC/LVL1 DQA group

ATLAS Muon Week

Michele Bianco 2

PreambleThe aim of the work done is to harmonize the DQA Tools available for the RPC/LVL1 DQA shifter and expert

CERN, Apr 14, 2011

Outline• The new Offline DQA web display configuration• The new Offline Monitoring Plots• The DCS DQA restyling• DCS/Offline comparisons• Online check and development

Michele Bianco 3

The Offline DQA web configurations• The actual DQA web configuration was developed to define only the DETECTOR

status along a run, not enough space was dedicate to the LVL1 DQA moreover plots LVL1 oriented are used for the detector DQA assesment.

• Few plots dedicate to LVL1 were inserted in to the L1MUB folder, but the final DQA result in is not transferred to COOL.

CERN, Apr 14, 2011

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• The New Web Display configuration completely disentagle the RPC detector and LVL1 trigger aspects.

• Plots dedicated to the Expert and Shifter are better identified.

CERN, Apr 14, 2011

The Offline DQA web configurations

Michele Bianco 5CERN, Apr 14, 2011

The LVL1 section in the new web display

All histograms are organized under the L1MUBThree differents folders define the LVL1 status at different level PAD-SectorLogic-MUCTPI

MUCTPI folder contains several histograms already present in the folder Central Trigger

PAD folder provide the status of the LVL1 trigger at CM-TriggerBox level SectorLogic folder define the DQA at the intermediate level between PAD and

MUCTPI

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• To help the LVL1 shifter to spot the problematic readout element, a grid which reproduce the detector segmentation has been applied to the trigger occupancy plots. (Similar solution was adopted with detector occupancy plots )

CERN, Apr 14, 2011

The LVL1 section in the new web display

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• To help the LVL1 shifter to spot the problematic readout element at the SectorLogic, dedicated plots with same layout adopted at the Online Level have been implemented by the Dresda group (Anja Vest – Christian Rudolph ).

• Several algorithms to define automatically the DAQ results for these plots are under test (by Christian Rudolph).

CERN, Apr 14, 2011

ONLINE OFFLINE

The LVL1 section in the new web display

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The Detector section in the new web display

Well defined Expert-Shifter folder have been implemented No overlap between Detector-Trigger plots. New plots dedicated at the detector DQA have been developed by G.

Chiodini in the RPC monitoring package, not yet in production at the Tier0. (Will be presented at the Muon DQA meeting probably next week)

CERN, Apr 14, 2011

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• New layout of RPC DCS panel has been implemented to be coherent with Offline monitoring (by Marcello Bindi).• It will be easier for the MUON-online shifter and for the MUON-DQ shifter to spot new problems ! N.B. In this slide the two figure are not referring to the same period Tower masked in DAQ (OFF) are visible in the same position in DCS panel

The DCS DQA restyling

CERN, Apr 14, 2011

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• Validation of latest DCS information (ROpanels) stored into COOL DB is still ongoing.

• Very useful results came from the crosscheck with OFFLINE Monitoring. • Mostly of the holes in Occupancy/Trigger plots has a defined reason; other holes

have been investigated. 18 ROpanels have been recuperated during last technical stop! Bug in DZ definition for BOS chambers inside DCS conversion maps found and

already fixed.

and Plan…

• Go on with validation…specific test has been done to test the “per RUN list” dynamic list that may be changing run by run.

• Plan to read COOL information(Dead+Off ROPanels) already at the Tier0-Monitoring to distinguish between known/old holes within 32 hours from stop of the RUN!

clear algorithm to detect inefficient ROpanels to be defined.

The DCS DQA Status …

CERN, Apr 14, 2011

RPC-LVL1 Online Monitoring

The LVL1 online monitoring is done with a framework (Gnam) running on the raw data selected by the trigger

Several plots have been done to monitor: Data Integrity, Synchronization, Coverage, multiplicity, time alignment, trigger thresholds, the Sector Logic

The checks are performed both at ROD level and SFI level

Feedback needed mainly from experts

Online checks have few histograms for the shifter, and a lot of detailed histograms for expert

Documentation: https://twiki.cern.ch/twiki/bin/viewauth/Atlas/RPCGnamHistos

TimingTo monitor the time distribution of the (trigger) hits in each trigger device (CM/PAD/SL)

SL timing

Very detailed information in the EXPERT area

Data Integrity

To check the formal correctness of the data fragments: it can be checked at several levels (i.e. at each step of the data processing)

Data Integrity Map:luckily it is empty

Control PlotsTo check that the data remain consistent while going through the trigger processing

The checks are performed using simulations of the devices composing the LVL1 trigger

Michele Bianco 15CERN, Apr 14, 2011

Online Monitoring Work ongoing

1) Develop algorithm for detailed checks, mainly on histogram for experts

2) Set up the OHP and DQMD for L1MU. This will allow to add detailed checks on the RPC trigger. These checks will be a duty for the ATLAS trigger shifter.

3) The ATLAS tool to look the online histograms for older run is node2gui, but at the moment it cannot be configured “like OHP". We have developed a tool to see (also via web) a selected run in a way similar to the OHP web display. (reached from svn) svn+ssh://user_name@svn.cern.ch/reps/atlasusr/mromano/WorkForQualification/tags/WorkForQualification-01-00-00

It a a general tool for all components This tool could be used from a shifter, i.e. for detailed checks

on RPC trigger histogram ....

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Conclusion• Several problems were identified and solved using

monitoring and DQA (Offline/DCS) .• Offline monitoring to DCS mapping is fully debugged at

panel level.• New DQA algo for LVL1 DQA to be validated with

collision events,• New histograms, were introduce to improve the

detector monitoring at the panel level.• DCS-Offline now use the same layout for the Detector

DQA• Online-Offline use the same layout for the LVL1 DQA• Offline Monitoring of LVL1 trigger at high-level is

missed (need manpower for this jobs)CERN, Apr 14, 2011