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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Moffit, B. Abbott, D. Gu, W. Gyurjyan, V. Heyes, G. Jastrzembski, E. Timmer, C. |
| Copyright Year | 2012 |
| Description | Author affiliation: Thomas Jefferson National Accelerator Facility, Newport News, VA 23606 USA (Moffit, B.; Abbott, D.; Gu, W.; Gyurjyan, V.; Heyes, G.; Jastrzembski, E.; Timmer, C.) |
| Abstract | We have evaluated the performance of several Intel-based VME Controllers for the use in the data acquisition systems (DAQs) at Jefferson Lab. For the 12 GeV upgrade, PPC-based VME controllers running vxWorks will be replaced with those that are Intel-based running Linux. Their task will be facilitated by the use of FPGAs on the VME modules to perform trigger logic and communicating trigger information over serial and fiber connections through the DAQ. The need for a hard realtime operating system on the VME controller is removed from the equation as the readout of the digitized data from the VME modules (using VME-2eSST) is done in a threaded environment with multiple CPU cores while digitization takes place in the buffered, pipelined system. In this paper we briefly discuss a bench setup for evaluating a VME Controller and its kernel and user space environment. We present results from baseline testing of various models from different vendors using different Linux kernels, including results from a kernel compiled with the CONFIG_PREEMPT_RT patch. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 294439 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781467310826 |
| e-ISBN | 9781467310840 |
| DOI | 10.1109/RTC.2012.6418141 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-09 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Kernel Linux Time factors Process control Bridges Instruction sets Aerospace electronics |
| Content Type | Text |
| Resource Type | Article |
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