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2025-11-28 - 05:07
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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 Nov 28, 2025 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30664501210irq/53-eth0-tx-0-21swapper/819:05:1410
30663501190irq/52-eth0-rx-0-21swapper/719:09:339
11290210895sleep30-21swapper/319:07:505
11132210394sleep90-21swapper/919:05:4311
11271210291sleep110-21swapper/1119:07:343
3066350950irq/52-eth0-rx-0-21swapper/1019:07:112
3066450940irq/53-eth0-tx-0-21swapper/119:05:261
12250930irq/42-ahci0-21swapper/219:09:034
1145427977sleep40-21swapper/419:09:156
3066350690irq/52-eth0-rx-0-21swapper/519:05:317
1115026654sleep00-21swapper/019:05:570
1125126055sleep60-21swapper/619:07:178
11612995614cyclictest0-21swapper/021:10:270
11654993231cyclictest0-21swapper/1121:10:353
11654993231cyclictest0-21swapper/1121:09:433
1161299310cyclictest0-21swapper/022:14:290
12250280irq/42-ahci0-21swapper/822:14:4310
1165499210cyclictest0-21swapper/1119:14:333
1165499195cyclictest0-21swapper/1120:13:493
1165299181cyclictest16493-21kworker/9:122:00:1411
1165299181cyclictest16493-21kworker/9:122:00:1411
1165299181cyclictest0-21swapper/920:01:2511
11649991816cyclictest24159-21qemu-kvm20:25:158
11649991816cyclictest24159-21qemu-kvm20:08:428
11649991816cyclictest24158-21qemu-kvm20:45:368
11638991816cyclictest17040-21sensors21:25:296
1165399170cyclictest93372sleep1019:46:002
1165399170cyclictest92722sleep1000:15:062
1165399170cyclictest84822sleep1000:11:172
1165399170cyclictest80262sleep1023:25:362
1165399170cyclictest7622sleep1023:16:592
1165399170cyclictest7372sleep1021:50:142
1165399170cyclictest67742sleep1021:11:462
1165399170cyclictest62632sleep1020:26:422
1165399170cyclictest59612chrt19:44:352
1165399170cyclictest59612chrt19:44:352
1165399170cyclictest51812sleep1021:55:142
1165399170cyclictest48152sleep1022:40:082
1165399170cyclictest43972sleep1023:20:362
1165399170cyclictest40872sleep1022:37:082
1165399170cyclictest321762sleep1021:45:392
1165399170cyclictest321762sleep1021:45:392
1165399170cyclictest317922sleep1021:01:442
1165399170cyclictest314522sleep1020:18:162
1165399170cyclictest307982sleep1019:31:102
1165399170cyclictest3066450irq/53-eth0-tx-20:35:112
1165399170cyclictest295362sleep1023:11:232
1165399170cyclictest291822chrt22:27:302
1165399170cyclictest285922sleep1021:41:252
1165399170cyclictest284142sleep1023:55:162
1165399170cyclictest278672sleep1020:55:322
1165399170cyclictest276312chrt20:10:502
1165399170cyclictest266612sleep1000:36:202
1165399170cyclictest26362sleep1020:22:162
1165399170cyclictest262792sleep1019:25:222
1165399170cyclictest259512sleep1023:06:592
1165399170cyclictest254142sleep1022:20:412
1165399170cyclictest239642sleep1020:06:142
1165399170cyclictest238952chrt20:50:312
1165399170cyclictest234872sleep1019:20:452
1165399170cyclictest234872sleep1019:20:442
1165399170cyclictest231792sleep1000:33:212
1165399170cyclictest219932sleep1023:45:282
1165399170cyclictest215852sleep1021:35:012
1165399170cyclictest210282sleep1020:49:192
1165399170cyclictest20312sleep1019:36:352
1165399170cyclictest201252chrt21:30:232
1165399170cyclictest200132sleep1019:18:082
1165399170cyclictest194882sleep1000:27:322
1165399170cyclictest189642sleep1022:15:052
1165399170cyclictest187722chrt22:58:332
1165399170cyclictest177122sleep1021:26:482
1165399170cyclictest174542sleep1020:00:022
1165399170cyclictest173482sleep1020:43:552
1165399170cyclictest157642sleep1000:21:192
1165399170cyclictest153222chrt22:10:042
1165399170cyclictest151752sleep1019:14:212
1165399170cyclictest149472sleep1022:51:092
1165399170cyclictest146702sleep1019:55:132
1165399170cyclictest145622chrt23:35:262
1165399170cyclictest144692sleep1022:06:162
1165399170cyclictest12250irq/42-ahci22:30:452
1165399170cyclictest12250irq/42-ahci21:09:252
1165399170cyclictest118842sleep1023:33:262
1165399170cyclictest114982sleep1022:48:562
1165399170cyclictest111742sleep1021:20:112
1165399170cyclictest107592chrt22:00:512
1165399170cyclictest107592chrt22:00:512
1165399170cyclictest104252sleep1021:16:582
1165399170cyclictest101692sleep1019:50:132
1165299170cyclictest20334-21hdparm22:15:1611
1165299170cyclictest0-21swapper/921:05:2211
11649991715cyclictest24159-21qemu-kvm20:21:498
11649991715cyclictest24158-21qemu-kvm20:35:138
11649991715cyclictest24158-21qemu-kvm20:31:508
11649991715cyclictest24158-21qemu-kvm20:10:138
1164599171cyclictest0-21swapper/519:45:237
13450160irq/18-ehci_hcd0-21swapper/021:40:270
11653991615cyclictest50282sleep1000:08:422
11652991615cyclictest0-21swapper/900:10:1611
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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