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embedded_systems:ethercat:troubleshooting:application_does_not_start [2019-02-12 13:29] – mgehrig2embedded_systems:ethercat:troubleshooting:application_does_not_start [2019-12-01 09:30] (aktuell) – graf
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 ====== Troubleshooting: Application does not start ====== ====== Troubleshooting: Application does not start ======
 +===== Kernel Version =====
 +Did you boot into the right kernel version? Please make sure to follow [[embedded_systems:ethercat:install_acontis_stack|Install the Acontis EtherCAT Stack]] and notes therein.
 +
 ===== Wrong device instance ===== ===== Wrong device instance =====
 ==== Output ==== ==== Output ====
Zeile 44: Zeile 47:
  
 ===== Timing problems ===== ===== Timing problems =====
-Warning and error messages like this:+Warning and error messages like these:
  
 <code> <code>
Zeile 52: Zeile 55:
 </code> </code>
  
-indicate timing and real-time problems.+indicates timing and real-time problems.
 See [[embedded_systems:ethercat:troubleshooting:timing_problem |Timing problems]] for more information. See [[embedded_systems:ethercat:troubleshooting:timing_problem |Timing problems]] for more information.
  
 +Add ''-v 3'' to log the EtherCAT jitter.
 +
 +I.e. Start demo:
 +<code>
 +sudo ./EcMasterDemoEval -f <path_to_eni>/ein.xml -i85254x 1 1 -perf -v 3
 +</code>
 +
 +I.e. Output:
 +<code>
 +012080 : Job times during startup <INIT> to <OP>:
 +012080 : ================================================================
 +012080 : PerfMsmt 'JOB_ProcessAllRxFrames' (avg/max) [usec]:    1.6/  5.7
 +012080 : PerfMsmt 'JOB_SendAllCycFrames  ' (avg/max) [usec]:    5.4/  8.5
 +012080 : PerfMsmt 'JOB_MasterTimer       ' (avg/max) [usec]:    1.3/ 10.9
 +012080 : PerfMsmt 'JOB_SendAcycFrames    ' (avg/max) [usec]:    2.4/ 15.7
 +012080 : PerfMsmt 'Cycle Time            ' (avg/max) [usec]:  1000.0/1030.2
 +012080 : PerfMsmt 'myAppWorkPd           ' (avg/max) [usec]:    0.0/  0.4
 +</code>
  
 +This line:\\
 +''012080 : PerfMsmt 'Cycle Time            ' (avg/max) [usec]:  1000.0/10''**30.2**\\
 +indicates a maximal jitter of 30.2nsec which is a small jitter.
  

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embedded_systems/ethercat/troubleshooting/application_does_not_start.1549974592.txt.gz · Zuletzt geändert: 2019-02-12 13:29 von mgehrig2