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2026-04-14 - 22:10
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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 Tue Apr 14, 2026 13:04:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3389599436426,9cyclictest373-21kswapd111:26:439
3389599436426,9cyclictest373-21kswapd111:26:439
3389599436426,9cyclictest373-21kswapd111:26:439
3390499284279,3cyclictest22935-21kworker/u81:4+events_unbound11:26:4518
3390499284279,3cyclictest22935-21kworker/u81:4+events_unbound11:26:4518
3390499284279,3cyclictest22935-21kworker/u81:4+events_unbound11:26:4518
3391699269252,15cyclictest373-21kswapd111:26:4328
3391699269252,15cyclictest373-21kswapd111:26:4328
3391699269252,15cyclictest373-21kswapd111:26:4328
3389899247242,3cyclictest25716-21kworker/u81:2+events_unbound11:34:1913
3389899247242,3cyclictest25716-21kworker/u81:2+events_unbound11:34:1913
3389899247242,3cyclictest25716-21kworker/u81:2+events_unbound11:34:1913
3388499228195,19cyclictest0-21swapper/709:56:1537
3388499228195,19cyclictest0-21swapper/709:56:1537
3388499228195,19cyclictest0-21swapper/709:56:1437
3388499225215,7cyclictest0-21swapper/710:00:1437
3388499225215,7cyclictest0-21swapper/710:00:1437
3387899219210,5cyclictest3609-21CPU12
3387899219210,5cyclictest3609-21CPU12
3387899219210,5cyclictest3609-21CPU12
3388099212205,5cyclictest0-21swapper/410:13:0734
3388099212205,5cyclictest0-21swapper/410:13:0734
3387899209191,10cyclictest0-21swapper/212:03:0012
3387899209191,10cyclictest0-21swapper/212:03:0012
3388799208202,4cyclictest0-21swapper/912:35:2639
3388799208202,4cyclictest0-21swapper/912:35:2639
3388799208202,4cyclictest0-21swapper/912:35:2639
3387899208198,9cyclictest0-21swapper/209:56:1512
3387899208198,9cyclictest0-21swapper/209:56:1512
3387899208198,9cyclictest0-21swapper/209:56:1512
3388299205190,9cyclictest3544-21CPU36
3388299205190,9cyclictest3544-21CPU36
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,5cyclictest0-21swapper/211:56:5412
3387899205198,3cyclictest37354-21CPU12
3387899205198,3cyclictest37354-21CPU12
3389999201193,6cyclictest0-21swapper/2111:16:0814
3389999201193,6cyclictest0-21swapper/2111:16:0814
3389999201193,6cyclictest0-21swapper/2111:16:0814
3388499201188,8cyclictest0-21swapper/712:16:2937
3388499201188,8cyclictest0-21swapper/712:16:2937
3388499200176,19cyclictest0-21swapper/707:57:0237
3388499200176,19cyclictest0-21swapper/707:57:0137
3388099198193,4cyclictest0-21swapper/408:48:5634
3388099198193,4cyclictest0-21swapper/408:48:5634
3387899198190,6cyclictest9032-21sshd12:24:5512
3387899198190,6cyclictest9032-21sshd12:24:5512
3387899198190,6cyclictest9032-21sshd12:24:5512
3388499197190,5cyclictest0-21swapper/709:10:2037
3388499197190,5cyclictest0-21swapper/709:10:2037
3388499197190,5cyclictest0-21swapper/709:10:2037
3388299196188,6cyclictest0-21swapper/610:25:0936
3388299196188,6cyclictest0-21swapper/610:25:0936
3389599195185,7cyclictest37267-21CPU9
3389599195185,7cyclictest37267-21CPU9
3389599195185,7cyclictest37267-21CPU9
3387699195187,6cyclictest0-21swapper/010:38:540
3387699195187,6cyclictest0-21swapper/010:38:540
3387699195187,6cyclictest0-21swapper/010:38:540
3389999193184,6cyclictest0-21swapper/2111:44:2514
3389999193184,6cyclictest0-21swapper/2111:44:2514
3389999193184,6cyclictest0-21swapper/2111:44:2414
3388099191188,2cyclictest0-21swapper/408:50:4634
3388099191188,2cyclictest0-21swapper/408:50:4634
3391599190175,5cyclictest171rcu_preempt11:02:0427
3391599190175,5cyclictest171rcu_preempt11:02:0427
3391199190184,4cyclictest0-21swapper/3010:45:2124
3391199190184,4cyclictest0-21swapper/3010:45:2124
3391199190184,4cyclictest0-21swapper/3010:45:2124
3388999190187,2cyclictest373-21kswapd111:26:433
3388999190187,2cyclictest373-21kswapd111:26:433
3388999190187,2cyclictest373-21kswapd111:26:423
3388799190183,5cyclictest0-21swapper/907:25:1539
3388799190183,5cyclictest0-21swapper/907:25:1539
3388799190177,11cyclictest0-21swapper/912:34:3839
3388799190177,11cyclictest0-21swapper/912:34:3839
3388799190177,11cyclictest0-21swapper/912:34:3839
3391699189174,9cyclictest0-21swapper/3411:39:0528
3391699189174,9cyclictest0-21swapper/3411:39:0428
3387899189180,5cyclictest37268-21CPU12
3387899189180,5cyclictest37268-21CPU12
3389999188182,4cyclictest0-21swapper/2112:09:0714
3389999188182,4cyclictest0-21swapper/2112:09:0714
3389999188182,4cyclictest0-21swapper/2109:34:5314
3389999188182,4cyclictest0-21swapper/2109:34:5314
3389999188182,4cyclictest0-21swapper/2109:34:5314
3389999188182,4cyclictest0-21swapper/2109:34:5214
3388999188178,8cyclictest0-21swapper/1109:30:043
3388999188178,8cyclictest0-21swapper/1109:30:043
3388999188178,8cyclictest0-21swapper/1109:30:043
3391599186161,12cyclictest0-21swapper/3312:21:2727
3391599186161,12cyclictest0-21swapper/3312:21:2727
3391599186161,12cyclictest0-21swapper/3312:21:2727
3391599186157,12cyclictest171rcu_preempt08:11:0127
3390599186162,22cyclictest372-21kswapd011:26:4319
3390599186162,22cyclictest372-21kswapd011:26:4319
3390599186162,22cyclictest372-21kswapd011:26:4319
3389999186177,5cyclictest37355-21CPU14
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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