Trigger Coordination Report
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1 Trigger Coordination Report Wesley H. Smith U. Wisconsin CMS Trigger Coordinator LHCC CMS Review May 6, 2008 Outline: Level 1 Trigger DAQ & HLT Infrastructure HLT Algorithm performance Christos Leonidopoulos W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 1
2 Calorimeter Trigger Primitives HCAL: All installed, operating in Global Runs ECAL Barrel: All Trigger Concentrator Cards (TCC68) installed Tests w/ Regional Cal. Trig. patterns, timing Ready for operation in CRuZeT ECAL Endcap: TCC48 submitted for board manufacture Present schedule completes in Fall under negotiation ECAL MIP Triggers w/15 SM in Nov/Dec Run: APD gain x 4 ECAL Barrel TCC s ECAL Endcap TCC Crystal pulses: W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 2
3 Regional Calorimeter Trigger Hardware RCT is complete & ready for CRuZeT For CRAFT: Finalize timing Monitoring: Link Status: RCT Crate RCT Timing Crate Efficiency Status (EN Data): Links off in order to test display W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 3
4 Global Calorimeter Trigger Status: All 63 input (Source Cards) are in & debugged All Electron trigger cards installed 6 & working Electron trigger validated with EN data: Events Readout data Emulator vs. Trigger output: Electron Cand #1 E T E T Events Electron Cand # Half of Jet trigger cards installed & under test Available for May run: Electron Trigger. Positive Rapidity Jet Trigger Data Use with emulator to study jet triggers All Hardware Integrated in Trigger Supervisor Source Cards, Electrons and Jets Available for June run: All Electron & Jet Triggers Events Events E T η φ W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 4
5 Drift Tube Trigger Local Trigger + Sector Collector ready (5 wheels) Phi Drift Tube Track Finder connection ready Eta connection being prepared All DTTF Crates mounted All 72 Phi Track Finder Boards will be installed All Timing & Data Link Boards available CSC connection: Cables in place & Transition boards installed DT Trigger Validated in EN: Position & angle of DT trigger primitives, as a function of the TDC track parameter in stations 1 & 2: DTTF Crates St. 1 DTTP position DTTP angle Central Crate St. 2 W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 5
6 CSC Trigger ME1 ME2 ME3 CSC Cables local run April 17 Reconstructed positions from 3 CSC stations with CSC trigger (213/234 CSCs active) Trigger configuration: LHC pattern trigger (cosmic ray rate ~ 28 Hz) Single Crate, installed & operational since Spring 07 Timed in with DTTF & GMT Integrated with Trigger Supervisor, Emulator Validated Monitoring data available, panel in development, DQM in use with plots available CSC TF Crate W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 6
7 RPC Trigger Tested in Global Runs: Timing checked against DT, CSC Link System (UX) Barrel system finishing commissioning Endcap system: YE+ installed, YE starting New production to complete YE Trigger System (US) Trigger Boards (64): full number at CERN Trigger Crates (12): half installed, rest in 1 month Cabling keeping up Readout Mother Board Data Concentrator Card OK Integrated with Trigger Supervisor LBB 12 per Tower Muon through 4 sectors (RPC trigger) Trigger Crate 12 W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 7
8 Global Muon Trigger Accept 2station μ triggers only for where CSC coverage is missing Check with ~6M min. bias for low lumi. thresh (3 GeV) Find rate increase is small < 1 khz Efficiency vs. after modification station4 station3 :2 station2 station1 CSC coverage W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 8
9 Global Trigger All modules installed & in operation w/ final firmware Final Decision Logic Module commissioned w/muons, ECAL, HCAL Installed a hot spare crate (GT2) in USC55 on top of production crate (GT1) each crate is controlled via CAEN by a separate crate PC TTC clock/orbit signals fanned out to serve both crates can quickly switch between crates can test spare modules or upgrade software without interfering with normal operation of Global Trigger Software: Integrated w/online configuration DB XDAQ/Trigger Supervisor monitoring Panels for monitoring, control, configuration GT Crate W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 9
10 L1 Emulator Configuration L1 emulator: bitwise reproduction of trigger hardware in CMSSW: Current use cases: Test hardware during commissioning (e.g. pattern tests). Study triggers with MC (used in HLT exercise and CSA07). Future: Run in filter farm at P5 for prompt hardware monitoring during data taking. Stage new trigger algorithms before migration to hardware. L1 Trigger subsystems Current work: deploy emulator online. Emulator configuration must match hardware. Emulator modules configured from DB Online & Offline DB synchronized before each run. online XDAQ online CMSSW offline CMSSW OMD S Trigger Supervisor L1 Hardware L1 O2O ORCO N EventSetup L1 Emulator ORCOF F W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination
11 L1 Trigger Software Trigger Supervisor Progress bar Integration with TTC Reporting, monitoring, handling of errors, alarms Integration with Configuration & Conditions Databases Trigger DQM Histograms for almost all trigger systems run online for UMM Emulatorbased data validation ongoing Plans: Semiautomated procedure to run at CAF, (replica of the online DQM but on all events). Run L1T DQM at Tier0 and FNAL Tier1. Integrate with offline DQM workflow. Run Emulator DQM in HLT. Run Control Trigger Supervisor Trigger Subsystems UMM Display of Trigger vs. Bunch Crossing W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 11
12 DAQ Capability 0 khz EVB (readout) installed Use of EVB Farm as 25 khz EVB + limited Filter Farm With 0 ms/core (@2 GHz on EVB nodes): 14 khz Summer 2007 HLT exercise menu measured 43 ms on 3 GHz Operational Now Drop to 7 khz during MayJune (recable) & August (integrate new PCs) Dedicated Nodes for Filter Farm Purchase 900 PCs (dual 2.6 GHz) 720 HLT, 180 DAQ Services Capacity 50 khz (Phase 2 in khz) Contingency in present rack space for 112 more PCs Operational: expect end of summer Storage: (i.e. HLT accept rate) Expect about 0.7 khz peak, assuming 1.5 MB evt size (1 GB/s) Local Storage: Now: 120 TB (34 hours at 1 GB/s) Link to Tier0 (1 Gb/s & one spare needs sustained throughput) W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 12
13 Summary of DAQ Schedule Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 50% EVB Daq test Daq test Daq test 50% EVB khz ~7 ~7 ~14 ~7 ~14 khz ~50 ~50 ~50 ~50 Cable 0% Integr CMS CR I B=0T CR II B=0T CR B=4T LHC beam ready *Will continue to operate HLT@EVB until HLT@FF is commissioned W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 13
14 DAQ Commissioning, Testing & Operating Plans Complete: Tested Storage Manager Tested transfers to Tier0 over CDR Link (120 MB/s so far) Mar (UMM): Technical run: EVB farm (640 PCs) in SCX configured as EVB + limited HLT & transfer to CDR T0 link: chain working May & June: Cosmic Run: B=0 July: Cosmic Run: B=4T Ready for Beam RU: Readout Unit, BU: Builder Unit, FU: Filter Unit EVB: Event Builder, RB: Resource Broker, ES: Event Server SM: Storage Manager, EP: Event Processor CDR: Central Data Recording, SAN: Storage Area Network W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 14
15 HLT SW Infrastructure Support for reducedcontent streams (for calibration etc.) Ready and tested (since CMSSW 1_8_0) Error event stream Filter Unit side done & Storage Manager side underway Exception streams Collect all events generating (nonfatal) exception in at least one path Underway (not ready for CRuZeT) Hard HLT Timeout Stop processing event in HLT if T p >T c Considered an extreme measure to supplement soft timeout HLT rate monitor Scalers collected from Filter Units & summed up in HLT Scaler Gatherer (HLTSG) stored to online DB per lumi section Proofof principle implementation in operation Prescale Service Unique table of working points agreed between L1 and HLT W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 15
16 HLT Configuration Offline/development switching to ConfDB Phase out of CVS menu will be completed with 2_1_0 Agreed scheme of link to production DB & relation to online Support offline access to HLT menus used for datataking W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 16
17 HLT Validation Farm (Higher Level Trigger online) Currently: 20 DAQ PC (2x2GHz dualcore, 4GB) Install 2TB disk on hilton01 to serve input data Playback MC from CASTOR Playback cosmics from SM HiLTon Installation phase 1(June) Replace current nodes with U PC (same as filter farm phase 1) (move current PCs back in DAQ spare pool) 0.51TB SATA disk each (playback input, test samples) HiLTon Installation phase 2 (December) Duplicate system with second rack Introduce CDR relay via SM loggers for fast transfer from CASTOR (HiLTon 20 PCs) W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 17
18 HLT Online Operations Gear up for 24/7 operation of HLT in P5 Event Filter core team in charge of operations Adding to experts team HLT Online Operations Forum to coordinate HLT online decisions with other stakeholders Checkpoint validation of HLT menus for datataking CMSSW version and related issues Coordinate with offline reconstruction Calibrations, configurations etc. Coordinate with Tier 0 e.g. number/content of online streams etc. Coordinate with subdetector communities W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 18
19 2008 HLT Status and Outlook CMSSW_1_8_0: new HLT data model Started switch of HLT menu development to ConfDB Storage Manager hardware: phased in for first time in UMM UMM Special stream operations Calibration, Express with specific event content CMSSW_2_0_0: Ready for data taking Only minor refinements for monitoring remaining CrUZeT: First operation with tracker Tests complete table online CRAFT: Integrate all lessons learned for LHC startup JulyAugust Filter Farm Installation: 50 khz Will continue to operate with EVB FF nodes until commissioned 14 khz capability (7 khz during recabling) W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 19
20 Trigger Coordination Organization & LINKS Trigger Coordinator Wesley Smith Deputy Christos Leonidopoulos 2008 Trigger Study Group Chaired by Dep. Tr. Cor. Trigger Executive Board Chaired by Tr. Cor. HLT Code Integration Martin Gruenewald Dorian Kcira POG Link Offline Link POG Contacts I mu: A. Everett mu: M. Vander Donckt eg: A. Ghezzi POG Contacts II tau: S. Gennai bjet: A. Bocci diffraction: S. Ovyn POG Contacts III L1/MB: D. Hofman HI: G. Roland Trigger Menu Development Leonard Apanasevich Pedram Bargassa PAG Link Rates & Prescales ChiNhan Ngyuen Vladimir Rekovic Menu Compile & Eval. Andrea Bocci, Simone Gennai Alessio Ghezzi Muriel Vander Donckt Performance Metrics Silvia Goy Lopez Marta Felcini Trigger Menu Integration Tulika Bose Emanuelle Perez Offline Link Data Unpacking Bryan Dahmes Menu Optimization & Testing Maurizio Pierini Calibration/ Alignment Stephanie Beauceron Jim Pivarski Trigger Performance Monica Vazquez Peter Wittich DPG Link Algorithm Performance Nuno Leonardo Online DQM Lorenzo Agostino Offline DQM Jeff Berryhill Physics Link: Data Streams Ilaria Segoni TriDAS Link: Event Filter Emilio Meschi Offline Link: Reconstruction & Fwk Shahram Rahatlou TriDAS/Offline Link: L1 Emulator Jim Brooke Trigger DPG L1 Trigger DPG Physics Object Groups Offline Reco & Fwk Physics Analysis Groups Offline Release Planning Trig. Perform. Algorithm perform. Online DQM Offline DQM Lorenzo Agostino L1 Data Monitor Data/Emul. Comp. L1 DQM modules Nuno Leonardo L1 Emulator Emulator code L1 unpack code Jim Brooke W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 20
21 Trigger Coordination Summary All trigger systems operating & have been used to trigger Global Calorimeter trigger is on fast track for full operation Manageable Delays: ECAL Endcap & RPC Endcap triggers L1 Trigger software is functional and maturing L1 Emulators are operational DQM available for all trigger systems 7 khz DAQ operational now. 50 khz DAQ by Sep. 1 HLT infrastructure is mature and robust HLT validation Farm is working Plan in place for HLT operations Effective Trigger Coordination organization in place Next: Trigger Menus (talk by C. Leonidopoulos) W. Smith, U. Wisconsin, LHCC CMS Review, May 6, 2008 Trigger Coordination 21
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