Even better, parse the log data to provide prettier display. You could call it something like Timer Log. It would also be much nicer if the log information were funneled to a buffer to be potentially displayed in a dialog box in the GUI. That seems like a pretty trivial thing to implement. Even if you can do all that, it still means you have to shut everything down and start ParaView up again any time you want to know how fast something went.Īt a minimum, the logging options should be selectable through the GUI. Setting command lines for pvserver can be challenging if you are relying on an installation provided by a system administrator. Command line arguments and environment variables are pain to set up in Windows and damn near impossible on Mac. Moving to an entirely command-line/environment-variable/file interface seems like a step way back. The current (5.6 and previous) log window is simple to use and reasonably effective. I’m not super excited about this change, particularly with the loss of the GUI. This is slated to be included in ParaView 5.7 release. That may be added in future, if needed.Īny feedback, suggestions, comments are welcome as always. GUIĬurrently, there is no graphical interface to access the log. bin/pvserver -l=/tmp/messages.log will generate /tmp/messages.log.0 and /tmp/messages.log.1 log files. home/utkarsh/Kitware/ParaView3/ParaViewBin-Qt5/bin/pluginsĪlso, if a file log output was specified using -l= or -log= option then each MPI rank will write to separate file by suffixing the filename with. ( 0.175s) vtkPVPluginLoader.cxx:296 9| Loading Plugins from standard PLUGIN_PATHS ( 0.175s) vtkPVPluginLoader.cxx:270 9| appDir: /home/utkarsh/Kitware/ParaView3/ParaViewBin-Qt5/bin/plugins > env PARAVIEW_LOG_PLUGIN_VERBOSITY=INFO mpirun -np 2. When running with MPI, the process names get suffixed by the rank number, thus making it easier to identify which message is coming from which rank e.g. ( 1.469s) vtkPVDataDeliveryManage:697 INFO| 0.001 s: full resolution data migration Notice how the log references the Sphere source and entities related to it using the name that’s shown in the Pipeline Browser ! > env PARAVIEW_LOG_DATA_MOVEMENT_VERBOSITY=INFO. PARAVIEW_LOG_PLUGIN_VERBOSITY: Messages related to plugin loading are logged under this category.Īs a example, here’s the output generated on launching ParaView and creating a Sphere source when PARAVIEW_LOG_DATA_MOVEMENT_VERBOSITY was elevated to INFO. PARAVIEW_LOG_PIPELINE_VERBOSITY: This category is used to log messages related to pipeline updates e.g. loading of settings and other configuration files etc. PARAVIEW_LOG_APPLICATION_VERBOSITY: This category is used for messages generated by the GUI and other user interface components, e.g. PARAVIEW_LOG_RENDERING_VERBOSITY: These are messages related to rendering e.g. PARAVIEW_LOG_DATA_MOVEMENT_VERBOSITY=INFO environment variable will show data movement messages on the terminal. Set the environment variable PARAVIEW_LOG_DATA_MOVEMENT_VERBOSITY to a verbosity value to elevate these messages to e.g. PARAVIEW_LOG_DATA_MOVEMENT_VERBOSITY: These are messages related to data movement between processes that may happen when rendering, for example. Currently, following categories are supported (more may be added later): During a run, it is possible to elevate the level for chosen category of log messages by using environment variables. Elevating verbosity level for a categoryīy default all ParaVIew messages are logged at the maximum verbosity level i.e. Any of the verbosity values accepted by the -v can be used for the suffix. to log all messages to file, one can use paraview -l=/tmp/allmessages.log,MAX. For example, by default the terminal output ( stderr) is configured to a verbosity level of INFO (0) thus any message logged with a level suffix after the filename e.g. That message will then show up on log outputs configured for a level equal or greater to the message’s verbosity level. When a message is logged, a verbosity level is provided. The logging framework supports logging with multiple verbosity levels, were -2 is used for ERROR messages, -1 for WARNING, 0 for INFO, and so on till 9 for TRACE (or MAX). ParaView now provides an ability to developers to add entries to a log with helpful information that users may use to debug issues or identify bottlenecks. The new logging infrastructure will ultimately replace the Timer Log available in ParaView to view execution times for various tasks. This post acts as a brief summary of the implementation that we have under works on the ParaView side to access these new logging capabilities. VTK recently introduced a new logging infrastructure described in this post.
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