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2026-07-25 - 02:18
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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 Jul 25, 2026 00:46:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501160irq/53-eth0-rx-0-21swapper/119:09:071
122501010irq/42-ahci0-21swapper/319:08:485
30549501000irq/53-eth0-rx-0-21swapper/719:09:219
3054950980irq/53-eth0-rx-0-21swapper/419:05:156
12250970irq/42-ahci0-21swapper/219:07:074
3054950920irq/53-eth0-rx-0-21swapper/819:07:2510
3054950920irq/53-eth0-rx-0-21swapper/519:05:107
3054950850irq/53-eth0-rx-0-21swapper/1119:08:143
2005727565sleep90-21swapper/919:08:0311
1996726753sleep00-21swapper/019:06:540
1994726152sleep100-21swapper/1019:06:392
1995825955sleep60-21swapper/619:06:478
2035799340cyclictest0-21swapper/022:26:090
20357992725cyclictest43932sleep021:29:330
2035799202cyclictest0-21swapper/022:11:120
2039899192cyclictest3054950irq/53-eth0-rx-23:56:002
2039899192cyclictest3054950irq/53-eth0-rx-23:49:512
2039899192cyclictest3054950irq/53-eth0-rx-23:49:502
2039899192cyclictest3054950irq/53-eth0-rx-23:18:302
2039899192cyclictest3054950irq/53-eth0-rx-23:03:422
2039899192cyclictest3054950irq/53-eth0-rx-22:51:322
2039899192cyclictest3054950irq/53-eth0-rx-22:00:002
2039899192cyclictest3054950irq/53-eth0-rx-21:38:052
2039899192cyclictest3054950irq/53-eth0-rx-00:38:392
2039799192cyclictest0-21swapper/923:46:5411
2039799192cyclictest0-21swapper/923:46:5311
20398991817cyclictest22378-21kworker/10:223:10:002
20398991817cyclictest22378-21kworker/10:223:06:342
20398991817cyclictest0-21swapper/1023:20:202
20398991817cyclictest0-21swapper/1000:22:312
2039899181cyclictest3055050irq/54-eth0-tx-21:56:372
2039899181cyclictest3055050irq/54-eth0-tx-21:54:502
2039899181cyclictest3055050irq/54-eth0-tx-00:00:482
2039899181cyclictest3054950irq/53-eth0-rx-23:50:052
2039899181cyclictest3054950irq/53-eth0-rx-23:50:052
2039899181cyclictest3054950irq/53-eth0-rx-23:37:382
2039899181cyclictest3054950irq/53-eth0-rx-23:33:102
2039899181cyclictest3054950irq/53-eth0-rx-23:25:332
2039899181cyclictest3054950irq/53-eth0-rx-23:25:322
2039899181cyclictest3054950irq/53-eth0-rx-21:45:302
2039899181cyclictest3054950irq/53-eth0-rx-21:33:122
2039899181cyclictest3054950irq/53-eth0-rx-21:27:292
2039899181cyclictest3054950irq/53-eth0-rx-21:24:502
2039899181cyclictest3054950irq/53-eth0-rx-21:14:182
2039899181cyclictest3054950irq/53-eth0-rx-21:14:172
2039899181cyclictest3054950irq/53-eth0-rx-19:35:272
2039899181cyclictest3054950irq/53-eth0-rx-19:20:122
2039899181cyclictest3054950irq/53-eth0-rx-00:25:382
2039899181cyclictest3054950irq/53-eth0-rx-00:11:502
2039899181cyclictest3054950irq/53-eth0-rx-00:05:152
20397991816cyclictest7200-21taskset19:30:5411
2039799181cyclictest761ksoftirqd/923:10:0011
2039799181cyclictest761ksoftirqd/921:20:2711
2039799181cyclictest761ksoftirqd/919:15:1111
2039799181cyclictest3054950irq/53-eth0-rx-21:41:4111
2039799181cyclictest27232-21cpuspeed_turbos20:45:1111
2039799181cyclictest12615-21ssh00:38:0811
2039799181cyclictest0-21swapper/923:35:2511
2039799181cyclictest0-21swapper/923:34:5611
2039799181cyclictest0-21swapper/922:47:4211
2039799181cyclictest0-21swapper/922:20:3811
2039799181cyclictest0-21swapper/922:07:0411
2039799181cyclictest0-21swapper/921:45:1111
2039799181cyclictest0-21swapper/919:20:0011
2039799181cyclictest0-21swapper/900:30:2711
2039799181cyclictest0-21swapper/900:24:3311
2039799181cyclictest0-21swapper/900:00:1211
20394991816cyclictest503-21qemu-kvm20:27:258
20394991816cyclictest502-21qemu-kvm20:47:348
20386991816cyclictest20113-21qemu-kvm19:34:147
20386991816cyclictest12139-21qemu-kvm21:08:257
20398991716cyclictest19830-1kworker/10:1H20:20:012
20398991716cyclictest0-21swapper/1019:15:172
2039899170cyclictest87872sleep1022:25:012
2039899170cyclictest85182sleep1021:04:032
2039899170cyclictest8282sleep1020:50:512
2039899170cyclictest72152sleep1019:31:052
2039899170cyclictest49432sleep1020:15:112
2039899170cyclictest42402chrt22:45:292
2039899170cyclictest41302sleep1020:11:102
2039899170cyclictest327512sleep1020:05:572
2039899170cyclictest325392chrt22:16:492
2039899170cyclictest3054950irq/53-eth0-rx-23:40:222
2039899170cyclictest3054950irq/53-eth0-rx-23:40:212
2039899170cyclictest3054950irq/53-eth0-rx-22:42:282
2039899170cyclictest3054950irq/53-eth0-rx-22:20:332
2039899170cyclictest3054950irq/53-eth0-rx-21:40:362
2039899170cyclictest3054950irq/53-eth0-rx-21:15:112
2039899170cyclictest3054950irq/53-eth0-rx-20:55:582
2039899170cyclictest3054950irq/53-eth0-rx-19:56:512
2039899170cyclictest3054950irq/53-eth0-rx-19:40:472
2039899170cyclictest3054950irq/53-eth0-rx-00:30:122
2039899170cyclictest3054950irq/53-eth0-rx-00:15:012
2039899170cyclictest296562sleep1020:46:022
2039899170cyclictest261122chrt20:42:262
2039899170cyclictest249422sleep1022:10:242
2039899170cyclictest241772sleep1022:35:272
2039899170cyclictest218322sleep1019:51:332
2039899170cyclictest212962sleep1022:08:492
2039899170cyclictest208462sleep1019:10:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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