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2026-04-28 - 11:34
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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 Tue Apr 28, 2026 00:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27840210995sleep40-21swapper/419:07:236
9918501050irq/53-eth0-rx-0-21swapper/119:09:251
9918501020irq/53-eth0-rx-0-21swapper/819:09:5010
991850970irq/53-eth0-rx-0-21swapper/219:06:394
991850950irq/53-eth0-rx-0-21swapper/519:06:277
2795529482sleep70-21swapper/719:08:149
991850880irq/53-eth0-rx-0-21swapper/1119:05:473
12850880irq/42-ahci0-21swapper/319:08:485
2775427968sleep00-21swapper/019:06:190
2806227472sleep100-21swapper/1019:09:432
991850660irq/53-eth0-rx-0-21swapper/919:05:1611
2785525853sleep60-21swapper/619:07:378
28242994645cyclictest0-21swapper/1122:13:223
2822399323cyclictest1443-21kworker/0:022:15:090
28242993029cyclictest0-21swapper/1122:15:143
28223993029cyclictest0-21swapper/020:25:200
28223993015cyclictest2745-21runrttasks22:13:470
28242992928cyclictest0-21swapper/1120:25:313
28233992521cyclictest16120-21snmp_rack3slot921:01:105
28236992215cyclictest31894-21ssh23:32:247
28242992120cyclictest0-21swapper/1119:22:513
2824199200cyclictest0-21swapper/1021:54:552
28223992011cyclictest0-21swapper/021:15:100
2824199192cyclictest991850irq/53-eth0-rx-23:34:232
2824199192cyclictest991850irq/53-eth0-rx-22:27:172
2824199192cyclictest991850irq/53-eth0-rx-22:21:172
2824199192cyclictest991850irq/53-eth0-rx-00:17:492
2824199192cyclictest77072sleep1019:20:422
2824099192cyclictest0-21swapper/923:56:3611
2824099192cyclictest0-21swapper/922:11:1311
28242991817cyclictest0-21swapper/1122:09:453
28241991817cyclictest22059-21rm22:57:252
2824199181cyclictest991950irq/54-eth0-tx-21:58:292
2824199181cyclictest991850irq/53-eth0-rx-23:57:562
2824199181cyclictest991850irq/53-eth0-rx-23:51:292
2824199181cyclictest991850irq/53-eth0-rx-23:17:432
2824199181cyclictest991850irq/53-eth0-rx-23:09:452
2824199181cyclictest991850irq/53-eth0-rx-22:45:592
2824199181cyclictest991850irq/53-eth0-rx-22:17:232
2824199181cyclictest991850irq/53-eth0-rx-21:27:132
2824199181cyclictest991850irq/53-eth0-rx-21:20:412
2824199181cyclictest991850irq/53-eth0-rx-21:15:522
2824199181cyclictest991850irq/53-eth0-rx-20:45:262
2824199181cyclictest991850irq/53-eth0-rx-20:43:472
2824199181cyclictest991850irq/53-eth0-rx-19:55:282
2824199181cyclictest991850irq/53-eth0-rx-00:32:082
2824199181cyclictest991850irq/53-eth0-rx-00:29:552
2824199181cyclictest991850irq/53-eth0-rx-00:22:292
2824199181cyclictest12850irq/42-ahci19:25:182
2824199180cyclictest991850irq/53-eth0-rx-22:42:512
2824099182cyclictest0-21swapper/922:32:2511
2824099181cyclictest31809-1kworker/9:2H19:18:4211
2824099181cyclictest0-21swapper/923:45:2711
2824099181cyclictest0-21swapper/923:35:4611
2824099181cyclictest0-21swapper/923:30:1011
2824099181cyclictest0-21swapper/923:15:1011
2824099181cyclictest0-21swapper/922:25:5611
2824099181cyclictest0-21swapper/922:21:3711
2824099181cyclictest0-21swapper/922:15:4411
2824099181cyclictest0-21swapper/921:59:4911
2824099181cyclictest0-21swapper/921:30:4511
2824099181cyclictest0-21swapper/921:19:5811
2824099181cyclictest0-21swapper/920:33:1811
2824099181cyclictest0-21swapper/919:37:5211
2824099181cyclictest0-21swapper/900:32:1011
2824099181cyclictest0-21swapper/900:28:3411
2824099181cyclictest0-21swapper/900:00:4711
28236991816cyclictest26677-21qemu-kvm22:44:547
28236991816cyclictest26676-21qemu-kvm22:28:407
28242991716cyclictest12-21rcu_preempt19:14:273
2824199170cyclictest991950irq/54-eth0-tx-20:10:262
2824199170cyclictest991850irq/53-eth0-rx-23:45:122
2824199170cyclictest991850irq/53-eth0-rx-23:40:062
2824199170cyclictest991850irq/53-eth0-rx-23:35:192
2824199170cyclictest991850irq/53-eth0-rx-23:25:582
2824199170cyclictest991850irq/53-eth0-rx-23:20:112
2824199170cyclictest991850irq/53-eth0-rx-23:11:282
2824199170cyclictest991850irq/53-eth0-rx-23:00:092
2824199170cyclictest991850irq/53-eth0-rx-22:50:552
2824199170cyclictest991850irq/53-eth0-rx-22:50:542
2824199170cyclictest991850irq/53-eth0-rx-22:35:072
2824199170cyclictest991850irq/53-eth0-rx-22:30:422
2824199170cyclictest991850irq/53-eth0-rx-22:10:042
2824199170cyclictest991850irq/53-eth0-rx-22:05:122
2824199170cyclictest991850irq/53-eth0-rx-22:01:042
2824199170cyclictest991850irq/53-eth0-rx-21:45:082
2824199170cyclictest991850irq/53-eth0-rx-21:40:132
2824199170cyclictest991850irq/53-eth0-rx-21:35:582
2824199170cyclictest991850irq/53-eth0-rx-21:30:172
2824199170cyclictest991850irq/53-eth0-rx-21:10:022
2824199170cyclictest991850irq/53-eth0-rx-21:06:482
2824199170cyclictest991850irq/53-eth0-rx-20:55:132
2824199170cyclictest991850irq/53-eth0-rx-20:50:122
2824199170cyclictest991850irq/53-eth0-rx-20:35:142
2824199170cyclictest991850irq/53-eth0-rx-20:27:002
2824199170cyclictest991850irq/53-eth0-rx-20:05:022
2824199170cyclictest991850irq/53-eth0-rx-20:05:012
2824199170cyclictest991850irq/53-eth0-rx-19:50:262
2824199170cyclictest991850irq/53-eth0-rx-19:45:172
2824199170cyclictest991850irq/53-eth0-rx-19:34:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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