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2026-06-04 - 13:24
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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 Thu Jun 04, 2026 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501140irq/42-ahci0-21swapper/219:08:274
30549501090irq/53-eth0-rx-0-21swapper/119:09:191
22993210894sleep50-21swapper/519:07:347
30549501060irq/53-eth0-rx-0-21swapper/319:09:445
23025210391sleep60-21swapper/619:08:008
3054950940irq/53-eth0-rx-0-21swapper/419:05:486
3054950930irq/53-eth0-rx-0-21swapper/819:07:4610
3054950920irq/53-eth0-rx-0-21swapper/919:08:0111
3054950840irq/53-eth0-rx-0-21swapper/719:06:499
2314727467sleep100-21swapper/1019:08:512
2292826654sleep00-21swapper/019:06:420
2286325955sleep110-21swapper/1119:05:533
23384993617cyclictest0-21swapper/1119:20:503
2333599310cyclictest0-21swapper/020:12:380
3054950280irq/53-eth0-rx-0-21swapper/120:12:391
23383992811cyclictest831ksoftirqd/1022:36:102
23383992811cyclictest831ksoftirqd/1022:15:272
2338399236cyclictest831ksoftirqd/1023:35:332
2338399236cyclictest831ksoftirqd/1022:10:122
2338399236cyclictest831ksoftirqd/1000:19:392
2338399225cyclictest831ksoftirqd/1023:40:452
2338399214cyclictest831ksoftirqd/1022:01:132
2338399192cyclictest831ksoftirqd/1021:40:142
2338399192cyclictest3054950irq/53-eth0-rx-23:17:482
2338399192cyclictest3054950irq/53-eth0-rx-21:39:262
2338399192cyclictest3054950irq/53-eth0-rx-00:09:482
2338399192cyclictest3054950irq/53-eth0-rx-00:09:472
23383991917cyclictest6130-21kworker/10:122:23:562
2338099190cyclictest0-21swapper/923:57:5311
2338099190cyclictest0-21swapper/923:57:5211
2338099190cyclictest0-21swapper/923:47:4111
2338099190cyclictest0-21swapper/923:40:0711
2338099190cyclictest0-21swapper/923:36:0111
2338099190cyclictest0-21swapper/922:40:0011
2338099190cyclictest0-21swapper/900:34:1611
2337499193cyclictest0-21swapper/800:11:0110
2337499193cyclictest0-21swapper/800:11:0010
23383991817cyclictest0-21swapper/1023:51:502
23383991817cyclictest0-21swapper/1023:04:012
23383991817cyclictest0-21swapper/1021:30:482
23383991817cyclictest0-21swapper/1000:30:262
2338399181cyclictest831ksoftirqd/1023:55:142
2338399181cyclictest831ksoftirqd/1023:55:132
2338399181cyclictest831ksoftirqd/1023:10:142
2338399181cyclictest831ksoftirqd/1022:05:182
2338399181cyclictest831ksoftirqd/1021:27:312
2338399181cyclictest831ksoftirqd/1000:35:572
2338399181cyclictest3055050irq/54-eth0-tx-23:30:262
2338399181cyclictest3055050irq/54-eth0-tx-21:22:442
2338399181cyclictest3055050irq/54-eth0-tx-00:29:092
2338399181cyclictest3054950irq/53-eth0-rx-23:26:392
2338399181cyclictest3054950irq/53-eth0-rx-23:09:222
2338399181cyclictest3054950irq/53-eth0-rx-22:33:402
2338399181cyclictest3054950irq/53-eth0-rx-22:25:192
2338399181cyclictest3054950irq/53-eth0-rx-21:16:242
2338399181cyclictest3054950irq/53-eth0-rx-21:10:112
2338399181cyclictest3054950irq/53-eth0-rx-19:33:132
2338399181cyclictest3054950irq/53-eth0-rx-00:21:222
2338399181cyclictest114150irq/18-i801_smb22:55:202
2338399180cyclictest12250irq/42-ahci20:14:422
2338099181cyclictest0-21swapper/923:01:5211
2338099181cyclictest0-21swapper/922:29:1311
2338099181cyclictest0-21swapper/920:56:2011
2338099180cyclictest32391-21ssh22:17:4311
2338099180cyclictest0-21swapper/923:15:1711
2338099180cyclictest0-21swapper/922:59:4611
2338099180cyclictest0-21swapper/922:54:0911
2338099180cyclictest0-21swapper/922:31:1111
2338099180cyclictest0-21swapper/922:21:3811
2338099180cyclictest0-21swapper/900:12:2111
2338099180cyclictest0-21swapper/900:12:2011
2338099180cyclictest0-21swapper/900:07:5411
2338099180cyclictest0-21swapper/900:07:5411
2337499183cyclictest0-21swapper/820:52:0310
2337499183cyclictest0-21swapper/819:31:5010
2337499183cyclictest0-21swapper/819:29:3910
2337499183cyclictest0-21swapper/819:15:0210
2337499183cyclictest0-21swapper/800:38:1610
2337499183cyclictest0-21swapper/800:07:3610
2337499183cyclictest0-21swapper/800:07:3610
2335999180cyclictest0-21swapper/323:22:445
23335991814cyclictest0-21swapper/019:10:020
2333599180cyclictest0-21swapper/021:19:180
2338399170cyclictest95342sleep1020:56:032
2338399170cyclictest94012sleep1019:43:552
2338399170cyclictest831ksoftirqd/1022:45:112
2338399170cyclictest831ksoftirqd/1022:40:362
2338399170cyclictest831ksoftirqd/1021:45:132
2338399170cyclictest831ksoftirqd/1020:50:352
2338399170cyclictest831ksoftirqd/1019:50:102
2338399170cyclictest831ksoftirqd/1019:35:012
2338399170cyclictest831ksoftirqd/1019:20:002
2338399170cyclictest831ksoftirqd/1000:10:132
2338399170cyclictest831ksoftirqd/1000:10:122
2338399170cyclictest67712sleep1021:56:222
2338399170cyclictest6272chrt20:39:362
2338399170cyclictest50802sleep1020:47:042
2338399170cyclictest41082chrt20:40:492
2338399170cyclictest319092sleep1020:30:362
2338399170cyclictest3054950irq/53-eth0-rx-22:50:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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