3 // @file run-compression.C
4 // @brief Define and run custom chains for the TPC data compression
5 // @author Matthias.Richter@ift.uib.no
7 // The macro can be used to either define chains to be run in the
8 // AliRoot reconstruction or to run a chain standalone. Some of the
9 // configurations can only be run embedded into AliRoot reconstruction
10 // in order to couple to the input.
11 // 1) AliRoot reconstruction examples, just use the macro in front of
12 // the reconstruction macro, e.g.
13 // aliroot -b -q -l run-compression.C $ALICE_ROOT/HLT/exa/recraw-local.C'("raw.root", "local://OCDB", 0, 5, "HLT", "loglevel=0x7c chains=compressor-input-writer")'
15 // 2) standalone chains can be used if all input files are available
16 // on disk and the configuration file for the publisher is existing
17 // aliroot -b -q -l run-compressor.C'(1, 2, 1, "writer", "compressor compressor-publisher", 167808, "local://OCDB")'
20 // 'hltout-cluster-writer' writes clusters for every event in directory
21 // hltout-compressed-cluster and a publisher configuration
22 // file hltout-compressed-cluster.txt
24 // 'tpc-raw-writer' writes TPC raw DDL files per event in directory tpc-raw
25 // and a publisher configuration file tpc-raw.txt
27 // 'compressor-input-writer' writes input to compression component (clusters
28 // from HWCF and reconstructed tracks) to directory compressor-input
29 // and publisher configuration file compressor-input.txt
31 // 'compressor' the compressor component is configured to write a
32 // statistics file HLT.TPCDataCompression-histograms*.root
34 // 'huffmantrainer' huffman table trainer
36 // 'writer' cluster monitor component, requires to define input, e.g
37 // "compressor compressor-publisher"
38 // "compressed-cluster-publisher"
39 // "monitor-publisher"
41 // "TPC-hwcfdata TPC-compression" (note: defined by AliHLTTPCAgent)
42 const int defaultMode=0;
43 const int defaultDeflaterMode=2;
44 const char* defaultMonitorInput="compressor compressor-publisher";
45 const char* defaultCDBUri="local://OCDB";
46 void run_compression(int mode=defaultMode, int deflaterMode=defaultDeflaterMode, int events=1,
47 const char* chain=NULL,
48 const char* monitorInput=defaultMonitorInput,
50 const char* cdbURI=defaultCDBUri)
52 // setup the OCDB access
53 // required to load the GRP entry in order to initialize the magnetic field
55 AliCDBManager::Instance()->SetDefaultStorage(cdbURI);
56 AliCDBManager::Instance()->SetRun(runno);
58 grpman.ReadGRPEntry();
62 // init the HLT system
63 AliHLTSystem* pHLT=AliHLTPluginBase::GetInstance();
65 ///////////////////////////////////////////////////////////////////////////////////////////
67 // list of configurations
69 ///////////////////////////////////////////////////////////////////////////////////////////
71 // handling of compressed clusters from HLTOUT
72 // 'hltout-cluster-writer' writes clusters for every event in directory hltout-compressed-cluster
73 // and a publisher configuration file hltout-compressed-cluster.txt
74 // 'compressed-cluster-publisher' publishes according to list hltout-compressed-cluster.txt
75 AliHLTConfiguration hltoutpublisher("hltout-publisher", "AliHLTOUTPublisher", "", "-datatype 'REMCLSCM' 'TPC '");
76 AliHLTConfiguration hltoutclusterwriter("hltout-cluster-writer", "FileWriter", "hltout-publisher", "-directory hltout-compressed-cluster -subdir -specfmt=_0x%08x -blocknofmt= -publisher-conf hltout-compressed-cluster.txt");
77 AliHLTConfiguration hltoutclusterpublisher("compressed-cluster-publisher", "FilePublisher", "", "-datafilelist hltout-compressed-cluster.txt");
79 // processing of TPC raw data
80 // 'tpc-raw-writer' writes TPC raw DDL files per event in directory tpc-raw and a publisher
81 // configuration file tpc-raw.txt
82 // 'compressor-input-writer' writes input to compression component (clusters from HWCF and reconstructed tracks)
83 // to directory compressor-input and publisher configuration file compressor-input.txt
84 // 'compressor-publisher' publishes files according to configuration file
85 AliHLTConfiguration tpcrawwriter("tpc-raw-writer", "FileWriter","TPC-raw-data", "-directory tpc-raw -subdir -specfmt=_0x%08x -blocknofmt= -publisher-conf tpc-raw.txt");
86 AliHLTConfiguration emulatorhwclust1writer("compressor-input-writer", "FileWriter","TPC-hwcfdata TPC-globalmerger", "-directory compressor-input -subdir -specfmt=_0x%08x -blocknofmt= -publisher-conf compressor-input.txt");
87 AliHLTConfiguration compressorpublisher("compressor-publisher", "FilePublisher", "", "-datafilelist compressor-input.txt");
89 // compressor configuration
90 // input from file list created by 'compressor-input-writer'
91 TString compressorArgument;
92 if (mode>0) compressorArgument+=Form(" -mode %d", mode); // take default from configuration object if mode==0
93 if (deflaterMode>0) compressorArgument+=Form(" -deflater-mode %d", deflaterMode); // take default from configuration object if deflaterMode==0
94 compressorArgument+=Form(" -histogram-file HLT.TPCDataCompression-histograms-mode%d-%s.root -cluster-verification 0", mode, (deflaterMode==2?"huffman":"simple"));
95 AliHLTConfiguration compressor("compressor", "TPCDataCompressor", "compressor-publisher", compressorArgument.Data());
97 // huffman trainer configuration
98 // input from file list created by 'compressor-input-writer'
99 TString trainerArgument;
100 trainerArgument.Form("-deflater-mode 3 -mode %d", mode);
101 AliHLTConfiguration trainer("huffmantrainer", "TPCDataCompressor", "compressor-publisher", trainerArgument.Data());
103 // writer component for the compressor output
104 AliHLTConfiguration compressoroutputwriter("compressor-output-writer", "FileWriter","compressor", "-directory compressor-output -subdir -specfmt=_0x%08x -blocknofmt= -publisher-conf compressor-output.txt");
105 AliHLTConfiguration compressoroutputpublisher("compressor-data", "FilePublisher","", "-datafilelist compressor-output.txt");
107 // specifc configuration to publish some data blocks for the
108 // monitoring component
109 AliHLTConfiguration monitorpublisher("monitor-publisher", "FilePublisher", "", "-datafilelist monitor-input.txt");
111 // the monitoring ccomponent setup
112 TString writerArguments(Form("-concatenate-events -overwrite -datafile HLT.TPCcluster-compression-mode%d-histograms.root",mode));
113 AliHLTConfiguration monitor("monitor", "TPCDataCompressorMonitor", monitorInput, "");
114 AliHLTConfiguration writer("writer", "ROOTFileWriter", "monitor", writerArguments);
117 pHLT->ScanOptions("loglevel=0x7c");
118 pHLT->BuildTaskList(chain);
123 // an abbreviated version setting default deflaterMode to 2
124 void run_compression(int mode, int events,
126 const char* monitorInput=defaultMonitorInput,
128 const char* cdbURI=defaultCDBUri)
130 run_compression(mode, defaultDeflaterMode, events, chain, monitorInput, runno, cdbURI);
133 // an abbreviated version setting default deflaterMode to 2 and
134 // omitting monitorInput
136 // aliroot -b -q -l run-compression.C'(1, 5, "compressor", "", 167808)'
137 void run_compression(int mode, int events,
140 const char* cdbURI=defaultCDBUri)
142 run_compression(mode, defaultDeflaterMode, events, chain, defaultMonitorInput, runno, cdbURI);