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2026-08-22 - 09:16
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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 Sat Aug 22, 2026 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501200irq/53-eth0-rx-0-21swapper/819:09:0310
9564210894sleep10-21swapper/119:06:311
9633210593sleep50-21swapper/519:07:227
122501030irq/42-ahci0-21swapper/719:09:289
30549501000irq/53-eth0-rx-0-21swapper/219:09:494
12250980irq/42-ahci0-21swapper/419:09:016
3054950930irq/53-eth0-rx-0-21swapper/319:06:475
12250930irq/42-ahci0-21swapper/919:06:0611
963927363sleep110-21swapper/1119:07:283
670926653sleep60-21swapper/619:05:128
984226159sleep100-21swapper/1019:09:292
670325853sleep00-21swapper/019:05:060
998699310cyclictest0-21swapper/019:20:340
9986993028cyclictest0-21swapper/021:19:570
9986993028cyclictest0-21swapper/021:19:570
10027992912cyclictest831ksoftirqd/1022:35:282
10027992811cyclictest831ksoftirqd/1022:02:222
10027992710cyclictest831ksoftirqd/1023:58:142
10027992710cyclictest831ksoftirqd/1023:58:132
761240ksoftirqd/90-21swapper/923:59:1211
761240ksoftirqd/90-21swapper/923:59:1211
1002799247cyclictest831ksoftirqd/1020:20:132
10027992114cyclictest831ksoftirqd/1023:16:582
1002799192cyclictest3055050irq/54-eth0-tx-00:05:052
1002799192cyclictest3054950irq/53-eth0-rx-23:45:192
1002799192cyclictest3054950irq/53-eth0-rx-22:55:232
1002799192cyclictest3054950irq/53-eth0-rx-22:48:472
1002799192cyclictest3054950irq/53-eth0-rx-22:41:132
1002799192cyclictest3054950irq/53-eth0-rx-22:10:082
1002799192cyclictest3054950irq/53-eth0-rx-21:12:012
1002799192cyclictest3054950irq/53-eth0-rx-00:11:082
1002799192cyclictest3054950irq/53-eth0-rx-00:11:082
1002799192cyclictest12250irq/42-ahci22:08:412
10027991917cyclictest26455-1kworker/10:1H19:20:002
10027991917cyclictest10531-21kworker/10:122:22:042
1002699192cyclictest0-21swapper/922:35:1311
1002699192cyclictest0-21swapper/900:28:0911
1002699192cyclictest0-21swapper/900:02:4811
1002599195cyclictest0-21swapper/800:15:1610
9986991817cyclictest3054950irq/53-eth0-rx-22:17:110
9986991817cyclictest0-21swapper/021:10:310
10027991817cyclictest831ksoftirqd/1020:55:212
10027991817cyclictest0-21swapper/1023:32:402
10027991817cyclictest0-21swapper/1021:57:062
10027991817cyclictest0-21swapper/1021:49:442
10027991817cyclictest0-21swapper/1020:50:242
1002799181cyclictest831ksoftirqd/1023:35:132
1002799181cyclictest831ksoftirqd/1021:40:112
1002799181cyclictest831ksoftirqd/1019:30:122
1002799181cyclictest811rcuc/1019:45:182
1002799181cyclictest3055050irq/54-eth0-tx-23:50:402
1002799181cyclictest3055050irq/54-eth0-tx-23:11:072
1002799181cyclictest3055050irq/54-eth0-tx-22:30:252
1002799181cyclictest3055050irq/54-eth0-tx-21:50:232
1002799181cyclictest3054950irq/53-eth0-rx-23:40:172
1002799181cyclictest3054950irq/53-eth0-rx-23:24:082
1002799181cyclictest3054950irq/53-eth0-rx-23:06:432
1002799181cyclictest3054950irq/53-eth0-rx-23:02:342
1002799181cyclictest3054950irq/53-eth0-rx-22:25:102
1002799181cyclictest3054950irq/53-eth0-rx-22:16:362
1002799181cyclictest3054950irq/53-eth0-rx-21:35:312
1002799181cyclictest3054950irq/53-eth0-rx-21:31:502
1002799181cyclictest3054950irq/53-eth0-rx-21:26:082
1002799181cyclictest3054950irq/53-eth0-rx-21:22:182
1002799181cyclictest3054950irq/53-eth0-rx-21:22:172
1002799181cyclictest3054950irq/53-eth0-rx-21:17:582
1002799181cyclictest3054950irq/53-eth0-rx-21:17:572
1002799181cyclictest3054950irq/53-eth0-rx-19:35:202
1002799181cyclictest3054950irq/53-eth0-rx-00:39:492
1002799181cyclictest3054950irq/53-eth0-rx-00:20:092
1002799181cyclictest3054950irq/53-eth0-rx-00:17:242
1002799181cyclictest3054950irq/53-eth0-rx-00:02:292
1002799181cyclictest12250irq/42-ahci20:46:392
1002799181cyclictest12250irq/42-ahci20:08:392
1002799181cyclictest12250irq/42-ahci00:25:072
1002799180cyclictest3054950irq/53-eth0-rx-22:50:152
1002699181cyclictest9642-21ssh22:06:3711
1002699181cyclictest8654-1kworker/9:1H20:47:1211
1002699181cyclictest797-21ssh22:51:5311
1002699181cyclictest3054950irq/53-eth0-rx-23:00:1411
1002699181cyclictest11034-1kworker/9:1H23:11:1411
1002699181cyclictest0-21swapper/923:53:1411
1002699181cyclictest0-21swapper/922:55:0211
1002699181cyclictest0-21swapper/922:22:3711
1002699181cyclictest0-21swapper/922:00:1411
1002699181cyclictest0-21swapper/921:57:1611
1002699181cyclictest0-21swapper/921:50:1811
1002699181cyclictest0-21swapper/921:45:2411
1002699181cyclictest0-21swapper/921:33:0511
1002699181cyclictest0-21swapper/921:23:4811
1002699181cyclictest0-21swapper/921:23:4811
1002699181cyclictest0-21swapper/919:10:0111
1002699181cyclictest0-21swapper/900:31:4911
1002699181cyclictest0-21swapper/900:07:5811
1002599184cyclictest0-21swapper/821:54:1210
10020991816cyclictest10630-21qemu-kvm22:08:388
1000799180cyclictest0-21swapper/422:20:416
1000799180cyclictest0-21swapper/421:36:496
1000799180cyclictest0-21swapper/421:11:316
9991991715cyclictest2305-21snmpd22:30:274
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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