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2026-06-18 - 09:36
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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 18, 2026 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30549501190irq/53-eth0-rx-0-21swapper/219:10:004
19085210691sleep00-21swapper/019:08:040
18935210693sleep70-21swapper/719:06:119
19032210591sleep60-21swapper/619:07:218
19057210290sleep50-21swapper/519:07:447
30549501000irq/53-eth0-rx-0-21swapper/119:08:151
3054950940irq/53-eth0-rx-0-21swapper/319:05:085
12250930irq/42-ahci0-21swapper/819:08:5010
3055050870irq/54-eth0-tx-0-21swapper/419:05:176
1898928074sleep100-21swapper/1019:06:492
1922427270sleep90-21swapper/919:09:1211
1900526152sleep110-21swapper/1119:07:023
1938699330cyclictest0-21swapper/020:26:530
19415992928cyclictest3054950irq/53-eth0-rx-20:26:476
19386992928cyclictest0-21swapper/019:26:500
19426992827cyclictest12250irq/42-ahci20:26:5510
1942899247cyclictest831ksoftirqd/1000:24:582
19425992423cyclictest3054950irq/53-eth0-rx-20:26:549
19403992423cyclictest3054950irq/53-eth0-rx-20:26:434
1938699230cyclictest0-21swapper/022:16:360
1938699230cyclictest0-21swapper/022:16:350
1942899225cyclictest831ksoftirqd/1019:40:132
1942899203cyclictest831ksoftirqd/1022:54:172
19429991917cyclictest272472sleep1121:21:043
1942899192cyclictest3054950irq/53-eth0-rx-23:16:392
1942899192cyclictest3054950irq/53-eth0-rx-22:44:192
1942899192cyclictest3054950irq/53-eth0-rx-21:43:392
1942799192cyclictest0-21swapper/900:23:5011
19428991817cyclictest831ksoftirqd/1021:47:142
19428991817cyclictest32730-21kworker/10:222:46:462
19428991817cyclictest0-21swapper/1023:47:082
19428991817cyclictest0-21swapper/1022:56:512
19428991817cyclictest0-21swapper/1022:35:352
19428991817cyclictest0-21swapper/1021:54:352
19428991817cyclictest0-21swapper/1021:29:242
19428991817cyclictest0-21swapper/1020:20:322
19428991817cyclictest0-21swapper/1020:08:482
19428991817cyclictest0-21swapper/1000:16:032
19428991816cyclictest3054950irq/53-eth0-rx-22:04:022
1942899181cyclictest831ksoftirqd/1023:00:132
1942899181cyclictest831ksoftirqd/1022:31:002
1942899181cyclictest831ksoftirqd/1022:30:592
1942899181cyclictest831ksoftirqd/1022:25:152
1942899181cyclictest831ksoftirqd/1022:10:192
1942899181cyclictest831ksoftirqd/1020:35:182
1942899181cyclictest831ksoftirqd/1019:25:152
1942899181cyclictest831ksoftirqd/1019:10:202
1942899181cyclictest831ksoftirqd/1000:05:202
1942899181cyclictest3055050irq/54-eth0-tx-23:26:442
1942899181cyclictest3055050irq/54-eth0-tx-22:18:032
1942899181cyclictest3055050irq/54-eth0-tx-22:18:022
1942899181cyclictest3055050irq/54-eth0-tx-20:25:122
1942899181cyclictest3054950irq/53-eth0-rx-23:50:582
1942899181cyclictest3054950irq/53-eth0-rx-23:31:122
1942899181cyclictest3054950irq/53-eth0-rx-23:06:082
1942899181cyclictest3054950irq/53-eth0-rx-22:08:072
1942899181cyclictest3054950irq/53-eth0-rx-22:08:072
1942899181cyclictest3054950irq/53-eth0-rx-21:56:112
1942899181cyclictest3054950irq/53-eth0-rx-21:11:132
1942899181cyclictest3054950irq/53-eth0-rx-00:30:412
1942899181cyclictest3054950irq/53-eth0-rx-00:27:342
1942799181cyclictest0-21swapper/923:57:2611
1942799181cyclictest0-21swapper/923:25:4211
1942799181cyclictest0-21swapper/923:11:4211
1942799181cyclictest0-21swapper/923:05:2911
1942799181cyclictest0-21swapper/923:00:2111
1942799181cyclictest0-21swapper/922:54:4211
1942799181cyclictest0-21swapper/922:25:4111
1942799181cyclictest0-21swapper/921:40:1311
1942799181cyclictest0-21swapper/921:32:1011
1942799181cyclictest0-21swapper/921:20:2911
1942799181cyclictest0-21swapper/921:10:2711
1942799181cyclictest0-21swapper/919:20:1911
1942799181cyclictest0-21swapper/919:20:1811
1942799181cyclictest0-21swapper/900:30:3411
1942799181cyclictest0-21swapper/900:17:0111
1942799181cyclictest0-21swapper/900:10:1911
1942499184cyclictest0-21swapper/621:10:178
19424991816cyclictest32007-21qemu-kvm20:08:428
13450180irq/18-ehci_hcd0-21swapper/019:10:220
19429991715cyclictest11251-21chrt21:09:143
19428991716cyclictest831ksoftirqd/1021:00:002
19428991716cyclictest0-21swapper/1023:40:022
19428991716cyclictest0-21swapper/1023:35:032
19428991716cyclictest0-21swapper/1019:20:132
19428991716cyclictest0-21swapper/1019:20:122
1942899170cyclictest831ksoftirqd/1021:20:122
1942899170cyclictest831ksoftirqd/1020:45:132
1942899170cyclictest831ksoftirqd/1020:10:112
1942899170cyclictest831ksoftirqd/1020:00:262
1942899170cyclictest831ksoftirqd/1019:55:142
1942899170cyclictest831ksoftirqd/1000:10:112
1942899170cyclictest811rcuc/1019:15:012
1942899170cyclictest811rcuc/1019:15:012
1942899170cyclictest39692sleep1020:15:082
1942899170cyclictest35952sleep1020:55:372
1942899170cyclictest34062sleep1019:30:032
1942899170cyclictest34062sleep1019:30:032
1942899170cyclictest317152sleep1020:50:242
1942899170cyclictest3055050irq/54-eth0-tx-23:20:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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