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2025-12-14 - 07:58
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sun Dec 14, 2025 01:00:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
964899214209,3cyclictest0-21swapper/920:50:1939
964899214209,3cyclictest0-21swapper/920:50:1939
966599205198,5cyclictest0-21swapper/2523:49:1318
966599205198,5cyclictest0-21swapper/2523:49:1318
966599205198,5cyclictest0-21swapper/2523:49:1318
965599202194,6cyclictest25005-21gdbus22:10:208
965599202194,6cyclictest25005-21gdbus22:10:208
964099200195,4cyclictest0-21swapper/300:22:1423
964099200195,4cyclictest0-21swapper/300:22:1423
964099200195,4cyclictest0-21swapper/300:22:1423
965599199193,4cyclictest0-21swapper/1621:51:128
965599199193,4cyclictest0-21swapper/1621:51:128
966899198193,4cyclictest0-21swapper/2723:17:3120
966899198193,4cyclictest0-21swapper/2723:17:3120
965799198106,80cyclictest0-21swapper/1821:05:0210
9646991980,3cyclictest0-21swapper/821:17:0538
9646991980,3cyclictest0-21swapper/821:17:0538
965599197192,4cyclictest0-21swapper/1623:21:218
965599197192,4cyclictest0-21swapper/1623:21:218
965599197176,19cyclictest0-21swapper/1623:49:058
965599197176,19cyclictest0-21swapper/1623:49:058
965599197176,19cyclictest0-21swapper/1623:49:058
965599196181,9cyclictest0-21swapper/1621:16:078
965599196181,9cyclictest0-21swapper/1621:16:078
965599193188,4cyclictest0-21swapper/1622:27:298
965599193188,4cyclictest0-21swapper/1622:27:298
965599193188,4cyclictest0-21swapper/1622:27:298
966899190180,8cyclictest0-21swapper/2723:15:0420
966899190180,8cyclictest0-21swapper/2723:15:0420
966899190180,8cyclictest0-21swapper/2722:43:3520
966899190180,8cyclictest0-21swapper/2722:43:3520
966899190180,8cyclictest0-21swapper/2722:43:3520
965599190180,8cyclictest0-21swapper/1600:32:198
965599190180,8cyclictest0-21swapper/1600:32:198
964399189180,7cyclictest0-21swapper/622:05:1236
964399189180,7cyclictest0-21swapper/622:05:1236
964199189166,17cyclictest37355-21CPU34
964199189166,17cyclictest37355-21CPU34
965599188180,6cyclictest0-21swapper/1622:36:148
965599188180,6cyclictest0-21swapper/1622:36:148
965599188168,11cyclictest24248-21kill23:53:378
965599188168,11cyclictest24248-21kill23:53:378
965599188168,11cyclictest24248-21kill23:53:378
965599187178,7cyclictest0-21swapper/1623:27:058
965599187178,7cyclictest0-21swapper/1623:27:058
965599187178,7cyclictest0-21swapper/1623:27:058
965599186179,5cyclictest0-21swapper/1600:02:518
965599186179,5cyclictest0-21swapper/1600:02:518
966399185139,37cyclictest0-21swapper/2300:08:0116
966399185139,37cyclictest0-21swapper/2300:08:0116
966399185139,37cyclictest0-21swapper/2300:08:0116
965599185172,11cyclictest0-21swapper/1621:13:188
965599185172,11cyclictest0-21swapper/1621:13:188
966399184138,34cyclictest0-21swapper/2323:48:5616
966399184138,34cyclictest0-21swapper/2323:48:5616
966399184138,34cyclictest0-21swapper/2323:48:5616
965599184175,7cyclictest0-21swapper/1621:22:328
965599184175,7cyclictest0-21swapper/1621:22:328
965599184175,7cyclictest0-21swapper/1621:22:328
965599184170,10cyclictest0-21swapper/1622:08:478
965599184170,10cyclictest0-21swapper/1622:08:478
967899183174,7cyclictest0-21swapper/3500:31:3529
967899183174,7cyclictest0-21swapper/3500:31:3529
965599183170,11cyclictest0-21swapper/1619:22:328
965599183170,11cyclictest0-21swapper/1619:22:328
966599182175,3cyclictest37269-21CPU18
966599182175,3cyclictest37269-21CPU18
965599182163,17cyclictest0-21swapper/1623:12:348
965599182163,17cyclictest0-21swapper/1623:12:348
967599181176,2cyclictest0-21swapper/3222:13:4726
967599181176,2cyclictest0-21swapper/3222:13:4726
965599181173,6cyclictest0-21swapper/1623:40:378
965599181173,6cyclictest0-21swapper/1623:40:378
965599181173,6cyclictest0-21swapper/1623:40:378
965599181171,5cyclictest8569-21systemd-cgroups22:54:308
965599181171,5cyclictest8569-21systemd-cgroups22:54:308
966099180153,15cyclictest171rcu_preempt22:32:5113
966099180153,15cyclictest171rcu_preempt22:32:5113
966099180153,15cyclictest171rcu_preempt22:32:5113
965599180170,8cyclictest0-21swapper/1619:19:418
965599180170,8cyclictest0-21swapper/1619:19:418
968399179168,8cyclictest0-21swapper/3922:47:2033
968399179168,8cyclictest0-21swapper/3922:47:2033
968399179168,8cyclictest0-21swapper/3922:47:2033
966599179173,5cyclictest0-21swapper/2521:35:1118
966599179173,5cyclictest0-21swapper/2521:35:1118
965599179169,8cyclictest0-21swapper/1621:44:488
965599179169,8cyclictest0-21swapper/1621:44:488
965599179168,9cyclictest0-21swapper/1621:29:248
965599179168,9cyclictest0-21swapper/1621:29:248
965599179168,9cyclictest0-21swapper/1621:29:248
966399178128,48cyclictest0-21swapper/2322:13:2016
966399178128,48cyclictest0-21swapper/2322:13:2016
966099178164,13cyclictest0-21swapper/2021:19:1613
966099178164,13cyclictest0-21swapper/2021:19:1613
965799178134,37cyclictest0-21swapper/1822:43:2610
965799178134,37cyclictest0-21swapper/1822:43:2610
965799178134,37cyclictest0-21swapper/1822:43:2610
965599178170,5cyclictest0-21swapper/1622:57:568
965599178170,5cyclictest0-21swapper/1622:57:568
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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