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2026-08-24 - 12:16
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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 Mon Aug 24, 2026 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501100irq/42-ahci0-21swapper/119:08:231
8393210795sleep70-21swapper/719:05:129
11240210794sleep80-21swapper/819:06:2510
11234210694sleep20-21swapper/219:06:184
30549501050irq/53-eth0-rx-0-21swapper/919:09:3611
12250980irq/42-ahci0-21swapper/1019:05:002
1135429584sleep110-21swapper/1119:07:513
3054950940irq/53-eth0-rx-0-21swapper/519:07:107
3054950940irq/53-eth0-rx-0-21swapper/419:06:466
12250920irq/42-ahci0-21swapper/319:08:345
1137326653sleep00-21swapper/019:08:050
839225955sleep60-21swapper/619:05:108
11718993924cyclictest23280-21kworker/11:121:20:063
11718993332cyclictest0-21swapper/1121:19:543
11712992912cyclictest831ksoftirqd/1021:16:392
11712992710cyclictest831ksoftirqd/1019:15:142
1171299269cyclictest831ksoftirqd/1023:56:412
1171299258cyclictest831ksoftirqd/1021:35:192
1171299258cyclictest831ksoftirqd/1000:03:552
1167199250cyclictest0-21swapper/020:13:120
1171299247cyclictest831ksoftirqd/1023:30:212
11712992314cyclictest831ksoftirqd/1023:47:342
11712992221cyclictest0-21swapper/1000:33:442
1167199200cyclictest0-21swapper/020:16:050
1167199200cyclictest0-21swapper/020:16:040
1171299192cyclictest831ksoftirqd/1023:35:212
1171299192cyclictest831ksoftirqd/1022:49:562
1171299192cyclictest831ksoftirqd/1022:43:352
1171299192cyclictest831ksoftirqd/1019:35:172
1171299192cyclictest831ksoftirqd/1000:29:552
1171299192cyclictest831ksoftirqd/1000:10:122
1171299192cyclictest3054950irq/53-eth0-rx-22:26:382
1171299192cyclictest3054950irq/53-eth0-rx-00:07:162
11712991914cyclictest831ksoftirqd/1020:55:142
1171199192cyclictest0-21swapper/923:18:5711
1167199194cyclictest14836-21kworker/0:121:14:360
1167199190cyclictest0-21swapper/022:13:190
11712991817cyclictest831ksoftirqd/1023:20:132
11712991817cyclictest831ksoftirqd/1022:00:012
11712991817cyclictest18654-21ssh22:13:122
11712991817cyclictest0-21swapper/1023:10:212
11712991817cyclictest0-21swapper/1023:00:302
11712991817cyclictest0-21swapper/1022:09:532
11712991817cyclictest0-21swapper/1019:23:072
1171299181cyclictest831ksoftirqd/1021:57:532
1171299181cyclictest831ksoftirqd/1021:30:212
1171299181cyclictest831ksoftirqd/1021:20:052
1171299181cyclictest831ksoftirqd/1021:05:262
1171299181cyclictest831ksoftirqd/1021:00:112
1171299181cyclictest831ksoftirqd/1020:21:152
1171299181cyclictest831ksoftirqd/1000:35:432
1171299181cyclictest3055050irq/54-eth0-tx-23:41:552
1171299181cyclictest3055050irq/54-eth0-tx-23:41:542
1171299181cyclictest3055050irq/54-eth0-tx-22:56:202
1171299181cyclictest3054950irq/53-eth0-rx-23:52:212
1171299181cyclictest3054950irq/53-eth0-rx-23:28:192
1171299181cyclictest3054950irq/53-eth0-rx-23:28:182
1171299181cyclictest3054950irq/53-eth0-rx-23:15:112
1171299181cyclictest3054950irq/53-eth0-rx-23:05:192
1171299181cyclictest3054950irq/53-eth0-rx-22:50:482
1171299181cyclictest3054950irq/53-eth0-rx-22:35:162
1171299181cyclictest3054950irq/53-eth0-rx-22:22:432
1171299181cyclictest3054950irq/53-eth0-rx-22:15:352
1171299181cyclictest3054950irq/53-eth0-rx-21:52:022
1171299181cyclictest3054950irq/53-eth0-rx-21:45:122
1171299181cyclictest3054950irq/53-eth0-rx-21:44:412
1171299181cyclictest3054950irq/53-eth0-rx-21:25:412
1171299181cyclictest3054950irq/53-eth0-rx-21:10:122
1171299181cyclictest3054950irq/53-eth0-rx-20:30:432
1171299181cyclictest3054950irq/53-eth0-rx-20:30:422
1171299181cyclictest3054950irq/53-eth0-rx-20:17:402
1171299181cyclictest3054950irq/53-eth0-rx-20:17:402
1171299181cyclictest3054950irq/53-eth0-rx-19:11:432
1171299181cyclictest3054950irq/53-eth0-rx-00:23:542
1171299181cyclictest3054950irq/53-eth0-rx-00:16:582
11711991816cyclictest25049-21processes21:25:2111
11711991816cyclictest14955-21ssh23:28:2811
11711991816cyclictest14955-21ssh23:28:2711
1171199181cyclictest761ksoftirqd/920:30:2111
1171199181cyclictest761ksoftirqd/920:30:2011
1171199181cyclictest21076-21grep22:40:1911
1171199181cyclictest17516-21kworker/9:122:19:3511
1171199181cyclictest0-21swapper/923:55:5511
1171199181cyclictest0-21swapper/923:43:2011
1171199181cyclictest0-21swapper/923:43:1911
1171199181cyclictest0-21swapper/923:20:0111
1171199181cyclictest0-21swapper/923:13:3411
1171199181cyclictest0-21swapper/922:52:5911
1171199181cyclictest0-21swapper/922:38:2611
1171199181cyclictest0-21swapper/921:15:2311
1171199181cyclictest0-21swapper/920:35:1111
1170999183cyclictest0-21swapper/723:30:529
1170999180cyclictest0-21swapper/721:23:399
11707991816cyclictest3452-21qemu-kvm21:08:437
1167199180cyclictest3055050irq/54-eth0-tx-21:26:130
11712991716cyclictest0-21swapper/1020:10:012
11712991716cyclictest0-21swapper/1019:25:212
1171299170cyclictest831ksoftirqd/1022:30:122
1171299170cyclictest831ksoftirqd/1020:40:142
1171299170cyclictest831ksoftirqd/1020:25:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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