1. SPD – ALICE DAQ/ECS/Trigger Integration Status Report
Ivan Amos Calì
Università degli studi di Bari / CERN
On Behalf of the ALICE SPD project
2nd ALICE Integration and Commissioning workshop

2. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Outlook
Divisional Silicon Facility (DFS) setup
SPD readout with DDL, DATE and trigger system
Performance studies
Software integration
Calibration Strategies
SPD - ECS Integration
Future developments
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

3. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
SPD People Involved
Electronics integration: M. Krivda, A. Kluge, I.A.Calì
Software integration: Henrik Tydesjö, Domenico Elia, I.A.Calì
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

4. Divisional Silicon Facility (DSF)
LHCb
CERN, Building 186
Entrance
Sector test &
Sw/Hw
precommissioning
ALICE
124 m2
CMS
Optical bench
2m x 1m
Bond Lab
Half-barrel
assembly
Laser
FMD?
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

5. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
DSF “Control Room”
Analysis tool & Interlock, T monitor system
2 FED Servers
Cooling Control
FED control
PS control
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

6. Trigger and DAQ setup at DSF
Trigger Crate:
1 LTU board
1 TTCvi board
1 TTCex
1 VME Pc (lnxpool31)
Optical splitter
2 LDCs (or 1 GDC + 1 LDC) equipped with 5 D-RORCs (10 DAQ ch.)
20 Routers equipped with 1 Actel-based SIU each
1 fun-in busy board
Software:
DATE v5.24
ECS v2.8
Linux SLC4
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

7. SPD - DAQ Hw Integration
Common data headers (CDH) produced by routers using trigger information (bunch crossing, orbit number, L2 messages, etc…)
CDH checking enabled in DATE and tested with low trigger rate (SEB, misalignment between L2 message and BCNT in MEB mode)
SPD Status bits (Block attribute) used to define synchronization and missing triggers between HSs.
SOD / EOD information integrated in common data header and tested with ECS
Extra data header produced during calibration runs
Basic data format checking embedded in the routers
System tested extensively in DSF with 10 routers (20 in the experiment) and used to develop performance studies on SPD sectors
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

8. DAQ readout performance test I
SPD average event size with 4 Routers: ~124 Kbytes
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

9. DAQ readout performance test II
SPD average event size with 4 Routers: ~124 Kbytes
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

10. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Software Integration
DDL index defined for SPD (0..19) and mapping embedded in the AliROOT
Aliroot and MOOD versions of raw data decoding and displaying (.date file based). Data format checks implemented.
Calibration automatic procedures defined and final implementation ongoing
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

11. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Calibration Scenario 1
RO Electronics
Optical
VME
Ethernet (DIM)
DCS Standalone emulate Alice Trigger and DAQ system
Run number provided by Experiment Control System (ECS) for synchronization
DCS network
General purpose network
Config. DB
Data &
Ctl
Online
Analysis Tool
(ROOT based)
FED Servers
(x2)
FED Servers
(x2)
FED Servers
(x2)
FED Servers
(x2)
Data
To Permanent Data Storage (PDS)
DCS FXS
Comm.&
Status
PVSS
Archives
Condition DB
PVSS FED control
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

12. Calibration Scenario 2 RO Electronics ALICE DAQ Config. DB DAQ FXS
Optical
VME
Ethernet (DIM)
RO Electronics
ALICE DAQ
Data
Local Data Collector (LDC)
Analysis Scripts0
Monitoring Programs
(MOOD & Calib. Data Displ)
DAQ network
DCS network
Control
Config. DB
DAQ FXS
To Permanent Data Storage (PDS)
FED Servers
(x2)
FED Servers
(x2)
FED Servers
(x2)
FED Servers
(x2)
Extra data header produced inside the routers to delivery information to the analysis scripts
DCS emulate Alice trigger system
Comm.&
Status
Condition DB
PVSS FED control
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

13. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
ECS Integration
SPD FSM top node integrated in the ECS
States and action recognized by ECS and DCS
Calibration structure and sequence tested
A series of calibration runs have been developed using SPD sectors
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

14. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Outlook
Trigger status bit integration ongoing
SPD defined trigger information header ongoing
Implementation of calibration procedures in the detector algorithm framework
Parameters definition for automatic Data Quality Monitor
New Top Node FSM to be implemented (No meajur changes to be applied)
Connection from DAQ FXS and DCS configuration Db to be implemented
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

15. Detector installation & commissioning
Check location of DDL SIUs and optical patch panels
Detector installation:
When ?
Will the detector DAQ contact be present during commissioning ?
DAQ & ECS needed during commissioning
Operation from upstairs starting on ?
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

16. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Summary
Electronics integration concluded and performance test demonstrated adherence with requirements
ECS for SPD fully operative (New DCS top node?)
Calibration sequences defined and a prototype of the analysis script released
Data quality monitor and data display under development
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

17. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
BACKUP
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

18. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
SPD FSM Top Node
set_mode {mode}
OFF
Startup{mode}
STANDBY
{mode}
go_physic
READY PHYSIC
standby_physic
shutdown
cal_mode:
Minimum TH Scan
(DCS_ONLY_MIN_TH_SCAN)
(DAQ_MIN_TH_SCAN)
Mean TH Scan
(DCS_ONLY_MEAN_TH_SCAN)
(DAQ_MEAN_TH_SCAN)
Uniformity Matrix Scan
(DCS_ONLY_UNIFORMITY_SCAN)
(DAQ_UNIFORMITY_SCAN)
Noisy pixels
(DCS_ONLY_NOISY_PIX_SCAN)
(DAQ_NOISY_PIX_SCAN)
go_calibration{cal_mode, run_n}
CALIBRATION
{cal_mode}
Standby_calibration
mode:
PHYSICS
CALIBRATION
MCM_ONLY
BEAM_TUNING
run_n is the run number provided by the ECS in case of DCS_ONLY calibration runs
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

19. SPD Calibration Scenarios
DCS Standalone:
No trigger from trigger system
No Data to DAQ
DAQ active:
Minimum TH, Mean TH, Uniformity Scan:
Data pushed to DAQ
Noisy pixels
N trigger sent to detector (N = parameter)
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

20. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Calibration Sequence
DCS Standalone:
ECS sends commands to DCS FSM and waits for the DCS state READY_CALIBRATION
ECS starts a dummy DAQ run passing a run n to the DCS FSM
ECS waits for the state STANDBY_CALIBRATION of the DCS FSM
DAQ active:
ECS start a DAQ run
When DCS FSM returns to state STANDBY_CALIBRATION, the ECS stops the DAQ run
The LDC scripts are started
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

21. Calibration Data structure
LDC analysis scripts parameters: run n, scan type
Detector configuration information retrieved by extra calibration header
Files produced in ROOT format
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

22. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
DDL performance test I
1 Routers
Sub-event recoded rate
Byte recorded rate (MByte)
event size
max.
min.
392
3248
2691
1.72
1.68
10624
3113
2590
26.6
22.3
20856
3021
2512
52.6
43.7
31108
3072
2553
77.6
69.6
41328
3004
2475
103.4
85.2
51568
2515
2400
126.4
121
61808
2207
2187
134.2
111
92504
1741
1435
162
135
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

23. DDL performance test II
2 Routers
Sub-event recoded rate
Byte recorded rate (MByte)
event size
max.
min.
716
3439
2861
2.46
2.45
62108
2860
213
177
123548
2606
2167
308
257
184940
1741
322
269
3 Routers
Sub-event recoded rate
Byte recorded rate (MByte)
event size
max.
min.
1040
3439
2860
2,7
2,3
93128
2863
320
288
185424
2610
2175
463
386
277376
1745
1412
484
432
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

24. DDL performance test III
4 Routers
Sub-event recoded rate
Byte recorded rate (MByte)
event size
max.
min.
1364
3444
2862
4,7
3,7
124148
2860
426
355
247028
2620
2167
621
615
369812
1755
1459
646
538
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

25. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
SPD FSM Hierarchy
SPD DCS
Sect0-9
HSect0-1
HS0-5
Infra
Power HV LV
Cooling
FED
Interlock
Legend:
FED
(HSn)
Cooling
(Sect n)
HSnPower
Device U CU LV
(HSn) 0-1 HV
(HSn) LU
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop

26. Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop
Common data header
ALICE-INT V 5.0
11/12/2006
Ivan Amos Calì - 2nd ALICE Integration & Commissioning workshop