 27 Nov 2020, Konstantin Olchanski, Forum, History plot consuming too much memory
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>
> Taking this down a tangent, I have a mild concern that a user could temporarily
> flood our gigabit network if we do have faster disks to read the history data.
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27 Nov 2020, Konstantin Olchanski, Forum, Building an experiment using CAEN VME interface - unknown type name 'VARIANT_BOOL'
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> The header file used to defined the CAEN types (CAENVMEtypes.h) defines 'CAEN_BOOL' like this:
>
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27 Nov 2020, Konstantin Olchanski, Forum, Invalid name "Analyzer/Tests"
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https://bitbucket.org/tmidas/midas/issues/298/invalid-odb-names-in-example-midas
K.O. |
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01 Dec 2020, Stefan Ritt, Forum, subrun
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There is no "mechanism" foreseen to be executed after each subrun. But you could
run a shell script after each run which loops over all subruns and converts them
one after the other.
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01 Dec 2020, Ben Smith, Forum, subrun
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We use the lazylogger for something similar to this. You can specify the path to a custom script, and it will be run for each midas file that gets written:
https://midas.triumf.ca/MidasWiki/index.php/Lazylogger#Using_a_script
This means that you don't have to wait until the end of the run to start processing.
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07 Dec 2020, Isaac Labrie Boulay, Forum, Invalid name "Analyzer/Tests"
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> https://bitbucket.org/tmidas/midas/issues/298/invalid-odb-names-in-example-midas
> K.O.
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 09 Dec 2020, Frederik Wauters, Forum, history and variables confusion
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I have a fe, with 2 "equipments" (2 different types of LV supplies).
Equipment/../Setting has a "Names" key, with the actual channel names (ch1, ch2, ...) of the devices.
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09 Dec 2020, Stefan Ritt, Forum, history and variables confusion
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First, the writing of banks is completely independent of the history system. Banks go to the log file only,
while the history is only linked to the "Variables" section in the ODB.
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10 Dec 2020, Frederik Wauters, Forum, history and variables confusion 
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I wanted to have a c++ style driver, e.g. a instance of a "PowerSupply" class. This was not compatible with the list of DEVICE_DRIVER structs, with needs
a C function entry point with variable arguments.
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11 Dec 2020, Frederik Wauters, Forum, history and variables confusion
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1. ok, so calling the same readout functions from different equipments is just a bad idea, my bad, no blame for Midas to write data from both bank to both
odb trees ...
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15 Dec 2020, Konstantin Olchanski, Forum, history and variables confusion
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I think you are facing several problems:
a) mlogger does not clearly explain what history names will be used for which entries
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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Hi all,
I'm currently trying to build events through doing block transfers. The worry was
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16 Dec 2020, Konstantin Olchanski, Forum, Issues building banks.
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> I'm currently trying to build events through doing block transfers.
I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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Thanks for the quick reply,
> > I'm currently trying to build events through doing block transfers.
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16 Dec 2020, Konstantin Olchanski, Forum, Issues building banks.
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> > > I'm currently trying to build events through doing block transfers.
> >
> > I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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> > > > I'm currently trying to build events through doing block transfers.
> > >
> > > I am confused by your question. I assume you read a CAEN V792 ADC, but I do not know what VME master you
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16 Dec 2020, Stefan Ritt, Forum, Issues building banks.
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> This is very hard to do using the mfe.c frontend. (the main reason I wrote the TMFE C++ frontend class).
Actually that's not true. Just look at
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16 Dec 2020, Isaac Labrie Boulay, Forum, Issues building banks.
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> > This is very hard to do using the mfe.c frontend. (the main reason I wrote the TMFE C++ frontend class).
>
> Actually that's not true. Just look at
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08 Jan 2021, Stefan Ritt, Forum, history and variables confusion
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We kind of agreed to rewrite the slow control system in C++. Each device will have its own driver derived from a common base class implementing the general
communication. The reason we need a "system" and not only a "hand-written" driver is because we want:
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13 Jan 2021, Isaac Labrie Boulay, Forum, poll_event() is very slow.
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Hi all,
I'm currently trying to see if I can speed up polling in a frontend I'm testing.
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