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2023-12-08 - 00:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot6 (updated Tue Dec 05, 2023 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24883991448,63cyclictest7629-21/usr/sbin/munin19:50:281
248839914313,67cyclictest0-21swapper/121:45:211
248789912694,18cyclictest14-21ksoftirqd/020:15:230
248789912293,18cyclictest14-21ksoftirqd/000:10:220
248839912185,22cyclictest26-21ksoftirqd/122:15:201
248789912190,19cyclictest14-21ksoftirqd/000:25:210
248789911989,18cyclictest14-21ksoftirqd/021:00:240
248789911883,23cyclictest14-21ksoftirqd/020:00:210
24878991149,89cyclictest0-21swapper/022:30:200
248789911484,20cyclictest14-21ksoftirqd/020:55:210
248839911368,32cyclictest26-21ksoftirqd/121:10:221
248789911282,18cyclictest14-21ksoftirqd/020:20:220
248789911181,20cyclictest14-21ksoftirqd/022:10:220
248789911079,18cyclictest14-21ksoftirqd/022:45:230
248789910913,81cyclictest0-21swapper/000:00:210
248789910913,81cyclictest0-21swapper/000:00:210
248789910413,75cyclictest0-21swapper/023:20:220
248789910371,19cyclictest14-21ksoftirqd/021:20:200
248789910353,42cyclictest14-21ksoftirqd/022:05:190
248789910271,19cyclictest14-21ksoftirqd/021:15:220
248789910252,38cyclictest14-21ksoftirqd/022:25:240
248789910211,75cyclictest0-21swapper/019:55:210
248789910067,20cyclictest14-21ksoftirqd/021:55:220
248789910066,20cyclictest14-21ksoftirqd/021:50:230
248789910053,34cyclictest14-21ksoftirqd/023:30:220
2487899996,52cyclictest14-21ksoftirqd/023:10:240
24883999848,38cyclictest26-21ksoftirqd/123:50:211
24878999762,22cyclictest14-21ksoftirqd/022:55:240
24883999612,65cyclictest0-21swapper/123:20:191
24878999664,19cyclictest14-21ksoftirqd/023:50:230
24878999561,21cyclictest14-21ksoftirqd/023:55:220
24878999560,23cyclictest14-21ksoftirqd/019:30:230
24878999560,21cyclictest14-21ksoftirqd/023:15:210
24878999556,27cyclictest14-21ksoftirqd/020:50:240
24878999540,42cyclictest14-21ksoftirqd/019:45:240
24883999411,62cyclictest0-21swapper/120:50:211
2487899947,68cyclictest0-21swapper/023:45:390
24878999451,31cyclictest14-21ksoftirqd/022:00:220
24878999442,40cyclictest14-21ksoftirqd/000:35:220
24878999255,26cyclictest14-21ksoftirqd/022:15:210
2487899923,64cyclictest27218-21/usr/sbin/munin19:15:330
2487899923,64cyclictest11949-21users21:30:500
24878999213,64cyclictest0-21swapper/019:10:230
24878999141,38cyclictest14-21ksoftirqd/020:40:210
24878999136,41cyclictest14-21ksoftirqd/022:35:250
24883999011,59cyclictest0-21swapper/123:15:181
2487899909,67cyclictest0-21swapper/021:05:200
24878999037,41cyclictest14-21ksoftirqd/000:05:230
2487899899,66cyclictest3668-21diskmemload21:10:240
2487899899,65cyclictest0-21swapper/023:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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