You are here: TWiki> Online Web>DataFlowMonitor (2010-02-25, dsvantes)
create new tag
, view all tags
The Data Flow monitor present amount of data sent throughout the DAQ as well as certain transmission errors. The following DAQ stages are included:
  • TELL1s
  • Switch (subfarm)
  • Farm nodes, received (MEPRx) and sent (DiskWR) statistics and transmission errors
  • Store streams
  • Store nodes (currently only LHCb global statistics)

To open the main PVSS panel of this component, execute the following shortcut:

LHCb: /group/online/ecs/Shortcuts38/LHCb/ECS/ (.lnk on Windows)
FEST: /group/online/ecs/Shortcuts38/LHCb/ECS/ (.lnk on Windows)

A button for direct access will be added later on the main run panel.

Overview panel


The overview panel displays two tables with amount of data registered for the run, before and after the HLT respectively. Rates at each stage are also displayed (at top of panel). Panels with more detailed statistics is found by clicking the buttons.

Per TELL1 statistics overview


Statistics are also gathered per TELL1.

-- Main.dsvantes - 25 Feb 2010

Topic attachments
I Attachment Action Size Date Who Comment
PNGpng OverviewLHCb.png manage 65.9 K 2010-02-25 - 14:53 UnknownUser Overview panel for Data flow
PNGpng OverviewTell1LHCb.png manage 68.1 K 2010-02-25 - 15:04 UnknownUser  
Topic revision: r2 - 2010-02-25 - dsvantes

This site is powered by the TWiki collaboration platform Powered by PerlCopyright © 2008-2022 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
Ideas, requests, problems regarding TWiki? Send feedback