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2025-06-20 - 06:17
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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 rackfslot7.osadl.org (updated Fri Jun 20, 2025 00:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2884987997416,39cyclictest878-21mta-sts-daemon20:05:175
2884984995515,39cyclictest0-21swapper/221:10:212
2884989995314,38cyclictest0-21swapper/722:20:187
2884987995318,35cyclictest0-21swapper/521:25:165
2884989995214,19cyclictest0-21swapper/723:10:197
2884989995214,19cyclictest0-21swapper/719:15:187
2884982995233,19cyclictest2958028-21kworker/0:0+ice21:37:010
2884988995132,0cyclictest2992364-21kworker/6:2-events00:30:196
2884985995113,19cyclictest0-21swapper/320:35:193
2884985995113,19cyclictest0-21swapper/320:10:193
2884983995133,18cyclictest0-21swapper/120:45:191
2884983995113,19cyclictest0-21swapper/121:50:161
2884982995132,19cyclictest3051202-21kworker/0:2+ice00:10:370
2884982995132,0cyclictest2884483-21kworker/0:0+ice19:48:140
2884989995032,18cyclictest0-21swapper/721:55:177
2884984995031,19cyclictest0-21swapper/200:20:232
2884984995011,19cyclictest0-21swapper/221:00:192
2884982995031,0cyclictest3020173-21kworker/0:1+ice23:21:330
2884982995031,0cyclictest0-21swapper/019:25:490
2884989994911,38cyclictest0-21swapper/723:00:187
2884988994949,0cyclictest0-21swapper/623:06:386
2884989994810,19cyclictest0-21swapper/719:35:177
2884982994829,19cyclictest2958028-21kworker/0:0+ice21:43:260
288498999479,19cyclictest0-21swapper/722:35:187
288498599479,19cyclictest0-21swapper/300:20:223
288498499469,18cyclictest0-21swapper/222:25:182
288498499469,18cyclictest0-21swapper/222:25:172
288498499468,19cyclictest0-21swapper/200:15:172
288498399468,19cyclictest0-21swapper/123:55:171
2884987994527,0cyclictest0-21swapper/523:45:225
288498599457,19cyclictest0-21swapper/322:45:193
288498599457,19cyclictest0-21swapper/322:45:183
2884984994425,19cyclictest0-21swapper/219:55:172
288498999424,38cyclictest0-21swapper/723:25:177
2884989994224,18cyclictest0-21swapper/720:15:187
2884985994122,19cyclictest0-21swapper/319:25:173
288498399401,39cyclictest0-21swapper/119:40:221
2884989993914,24cyclictest0-21swapper/723:40:197
2884985993920,19cyclictest0-21swapper/320:55:173
288498599390,20cyclictest0-21swapper/320:05:173
288498499390,20cyclictest0-21swapper/220:30:152
288498399390,20cyclictest0-21swapper/121:45:181
288498399390,20cyclictest0-21swapper/119:35:181
2884982993920,0cyclictest2958028-21kworker/0:0+ice21:47:410
2884982993918,20cyclictest3039919-21kworker/0:0+ice23:55:410
2884987993814,19cyclictest0-21swapper/519:40:225
288498799380,19cyclictest0-21swapper/519:25:185
2884985993819,19cyclictest0-21swapper/323:40:193
288498599380,19cyclictest0-21swapper/319:45:193
2884982993819,19cyclictest171ktimers/021:11:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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