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2024-04-19 - 04:40
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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
Characteristics of the 50 highest latencies:
System rackeslot2.osadl.org (updated Fri Apr 19, 2024 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372082621130,2sleep30-21swapper/321:00:123
35931702970,2sleep10-21swapper/119:10:171
39613412670,1sleep20-21swapper/223:30:262
37615752370,2chrt0-21swapper/321:25:303
2358491290,8ptp4l164790irq/127-enp1s0-TxRx-023:50:123
2358491290,3ptp4l0-21swapper/323:55:113
2358491270,3ptp4l0-21swapper/319:15:113
2358491260,5ptp4l164790irq/127-enp1s0-TxRx-019:25:103
359111899253,3cyclictest471rcuog/222:30:120
2358491250,5ptp4l164790irq/127-enp1s0-TxRx-000:27:583
37878682240,2sleep20-21swapper/221:45:002
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-022:51:113
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-022:07:553
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-021:57:293
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-020:20:253
2358491240,5ptp4l164790irq/127-enp1s0-TxRx-019:10:023
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-022:34:083
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-021:51:123
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-021:20:493
2358491240,4ptp4l164790irq/127-enp1s0-TxRx-000:30:563
2358491240,3ptp4l0-21swapper/319:30:133
406538322319,2sleep20-21swapper/200:35:282
405056822319,2sleep20-21swapper/200:27:502
401782922319,2sleep20-21swapper/200:06:302
401024222319,2sleep20-21swapper/200:02:182
400223022319,2sleep20-21swapper/223:57:282
398665522319,2sleep20-21swapper/223:48:062
393859122319,2sleep20-21swapper/223:17:442
392983122319,2sleep20-21swapper/223:11:072
392203422319,2sleep20-21swapper/223:07:022
391469422319,2sleep20-21swapper/223:03:172
390005422319,2sleep20-21swapper/222:55:112
389897822319,2sleep20-21swapper/222:53:472
389013322319,2sleep20-21swapper/222:47:062
388195922319,2sleep20-21swapper/222:41:492
386654022319,2sleep20-21swapper/222:32:432
385912822319,2sleep20-21swapper/222:28:512
384350622319,2sleep20-21swapper/222:19:412
382593122319,2sleep20-21swapper/222:06:312
381852822319,2sleep20-21swapper/222:02:372
377924422319,2sleep20-21swapper/221:38:572
377003522319,2sleep20-21swapper/221:31:272
376336622319,2sleep20-21swapper/221:28:592
375360422319,2sleep20-21swapper/221:20:282
374673122319,2sleep20-21swapper/221:17:292
370826322319,2sleep20-21swapper/220:46:102
361141422319,2sleep20-21swapper/219:25:152
360998822319,2sleep20-21swapper/219:20:292
3591118992320,2cyclictest3597604-21irqcore19:15:020
359066122318,3sleep20-21swapper/219:06:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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