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2026-03-27 - 16:08
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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 100 highest latencies:
System rack3slot3.osadl.org (updated Fri Mar 27, 2026 12:46:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9918501170irq/53-eth0-rx-0-21swapper/107:09:021
128501110irq/42-ahci0-21swapper/707:09:479
12850970irq/42-ahci0-21swapper/207:08:484
12850930irq/42-ahci0-21swapper/307:08:525
991850920irq/53-eth0-rx-0-21swapper/907:06:2311
991850910irq/53-eth0-rx-0-21swapper/1107:05:063
12850910irq/42-ahci0-21swapper/507:05:087
2838028676sleep00-21swapper/007:06:050
172450790irq/56-eth1-rx-0-21swapper/807:05:2510
991850760irq/53-eth0-rx-0-21swapper/407:06:546
2867726361sleep100-21swapper/1007:09:162
2842225853sleep60-21swapper/607:06:358
2887899192cyclictest0-21swapper/1110:20:553
2887799192cyclictest991850irq/53-eth0-rx-10:36:352
2887699192cyclictest0-21swapper/911:25:0711
2887699192cyclictest0-21swapper/910:33:1511
2887699192cyclictest0-21swapper/910:16:1611
2887699192cyclictest0-21swapper/909:17:2911
2883699193cyclictest0-21swapper/010:21:140
28877991817cyclictest0-21swapper/1011:32:462
28877991817cyclictest0-21swapper/1010:13:272
28877991817cyclictest0-21swapper/1009:38:072
2887799181cyclictest991950irq/54-eth0-tx-12:35:142
2887799181cyclictest991950irq/54-eth0-tx-10:48:232
2887799181cyclictest991950irq/54-eth0-tx-10:33:512
2887799181cyclictest991850irq/53-eth0-rx-12:19:202
2887799181cyclictest991850irq/53-eth0-rx-12:14:002
2887799181cyclictest991850irq/53-eth0-rx-12:09:492
2887799181cyclictest991850irq/53-eth0-rx-11:53:492
2887799181cyclictest991850irq/53-eth0-rx-10:15:022
2887799181cyclictest991850irq/53-eth0-rx-09:32:102
2887799181cyclictest991850irq/53-eth0-rx-09:24:322
2887799181cyclictest991850irq/53-eth0-rx-09:15:192
2887799181cyclictest831ksoftirqd/1011:20:132
2887799181cyclictest12850irq/42-ahci10:09:112
2887699181cyclictest741rcuc/912:07:2511
2887699181cyclictest0-21swapper/912:37:2411
2887699181cyclictest0-21swapper/912:15:4311
2887699181cyclictest0-21swapper/912:10:1711
2887699181cyclictest0-21swapper/911:46:2011
2887699181cyclictest0-21swapper/911:41:3311
2887699181cyclictest0-21swapper/911:11:1411
2887699181cyclictest0-21swapper/911:11:1311
2887699181cyclictest0-21swapper/911:06:2511
2887699181cyclictest0-21swapper/910:46:1711
2887699181cyclictest0-21swapper/910:42:5511
2887699181cyclictest0-21swapper/910:27:5911
2887699181cyclictest0-21swapper/910:01:5711
2887699181cyclictest0-21swapper/909:57:0611
2887699181cyclictest0-21swapper/909:43:5211
2887699181cyclictest0-21swapper/909:36:2711
2887699181cyclictest0-21swapper/909:34:5111
28875991816cyclictest3323-21ntpdc09:20:1810
28873991816cyclictest9068-21qemu-kvm08:08:338
2887899175cyclictest0-21swapper/1111:23:343
2887899174cyclictest0-21swapper/1111:30:023
28877991716cyclictest21348-1kworker/10:0H08:24:252
28877991716cyclictest19685-1kworker/10:1H10:50:152
28877991716cyclictest0-21swapper/1012:30:112
28877991716cyclictest0-21swapper/1007:15:072
2887799170cyclictest991950irq/54-eth0-tx-10:25:042
2887799170cyclictest991950irq/54-eth0-tx-09:25:192
2887799170cyclictest991950irq/54-eth0-tx-07:55:112
2887799170cyclictest991850irq/53-eth0-rx-12:03:352
2887799170cyclictest991850irq/53-eth0-rx-11:55:162
2887799170cyclictest991850irq/53-eth0-rx-11:25:332
2887799170cyclictest991850irq/53-eth0-rx-11:10:492
2887799170cyclictest991850irq/53-eth0-rx-11:10:492
2887799170cyclictest991850irq/53-eth0-rx-11:05:302
2887799170cyclictest991850irq/53-eth0-rx-11:00:482
2887799170cyclictest991850irq/53-eth0-rx-10:58:022
2887799170cyclictest991850irq/53-eth0-rx-10:58:022
2887799170cyclictest991850irq/53-eth0-rx-10:40:262
2887799170cyclictest991850irq/53-eth0-rx-10:00:062
2887799170cyclictest991850irq/53-eth0-rx-09:50:452
2887799170cyclictest991850irq/53-eth0-rx-09:10:352
2887799170cyclictest991850irq/53-eth0-rx-07:41:012
2887799170cyclictest991850irq/53-eth0-rx-07:35:152
2887799170cyclictest991850irq/53-eth0-rx-07:21:162
2887799170cyclictest991850irq/53-eth0-rx-07:10:122
2887799170cyclictest88642sleep1008:06:092
2887799170cyclictest72562sleep1012:28:282
2887799170cyclictest57552sleep1011:35:112
2887799170cyclictest323022sleep1012:21:282
2887799170cyclictest320032chrt09:45:092
2887799170cyclictest307922sleep1008:36:002
2887799170cyclictest302982chrt07:51:322
2887799170cyclictest293022sleep1009:41:212
2887799170cyclictest271282chrt08:30:482
2887799170cyclictest268392sleep1007:49:072
2887799170cyclictest268392sleep1007:49:072
2887799170cyclictest21742sleep1008:43:132
2887799170cyclictest202942sleep1009:05:522
2887799170cyclictest180652chrt11:45:112
2887799170cyclictest168692sleep1009:03:392
2887799170cyclictest166882sleep1011:15:552
2887799170cyclictest162312chrt08:16:222
2887799170cyclictest158042chrt07:32:532
2887799170cyclictest151822chrt09:55:582
2887799170cyclictest148802sleep1011:40:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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