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2025-11-17 - 07:33
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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 rack0slot7.osadl.org (updated Mon Nov 17, 2025 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111850994617,55cyclictest7247-21VM09:53:583
1118169945422,27cyclictest0-21swapper/121:21:441
1118629945010,439cyclictest0-21swapper/1500:24:237
1118309944714,28cyclictest522857-21StreamT~11
1118409943913,28cyclictest260157-21kworker/8:2-events20:10:2314
111836994353,27cyclictest0-21swapper/722:44:5413
111814994350,26cyclictest0-21swapper/019:27:290
1118149943324,408cyclictest0-21swapper/021:36:460
1118149943224,408cyclictest0-21swapper/020:19:230
1118149943224,408cyclictest0-21swapper/020:19:230
1118149942923,405cyclictest17-21ksoftirqd/020:03:360
1118629942722,404cyclictest0-21swapper/1523:00:597
11184599427427,0cyclictest29450irq/128-xhci_hcd19:32:162
11184599427427,0cyclictest29450irq/128-xhci_hcd19:32:152
1118269942723,404cyclictest0-21swapper/423:11:5910
1118169942723,403cyclictest0-21swapper/122:02:391
11184599426423,1cyclictest324842-21IPDL09:53:582
11184599425424,1cyclictest29450irq/128-xhci_hcd00:04:532
11183099425424,1cyclictest1294466-21kworker/5:0+i915-unordered23:59:2911
1118369942422,401cyclictest0-21swapper/720:44:5513
11183099424423,1cyclictest745949-21kworker/5:2+i915-unordered22:15:4411
1118309942424,400cyclictest0-21swapper/522:51:5811
1118149942416,406cyclictest0-21swapper/023:55:550
1118149942315,408cyclictest0-21swapper/023:11:440
1118149942313,0cyclictest0-21swapper/022:04:210
111826994220,28cyclictest0-21swapper/420:51:5110
1118149942215,403cyclictest0-21swapper/021:50:480
1118629942117,404cyclictest0-21swapper/1521:59:377
1118149942113,405cyclictest0-21swapper/022:14:450
1118369942015,402cyclictest0-21swapper/700:24:5413
1118309942018,402cyclictest0-21swapper/521:05:5811
1118249942019,400cyclictest0-21swapper/321:30:599
1118249941916,402cyclictest0-21swapper/322:05:429
111859994170,417cyclictest0-21swapper/1421:55:596
11184599417417,0cyclictest0-21swapper/1020:40:592
11184599417416,1cyclictest0-21swapper/1021:19:142
11184599417415,2cyclictest0-21swapper/1000:17:562
1118369941714,401cyclictest0-21swapper/721:59:5513
1118209941710,406cyclictest0-21swapper/220:39:548
111859994160,415cyclictest0-21swapper/1400:25:326
11184599416416,0cyclictest0-21swapper/1022:51:452
11184599416416,0cyclictest0-21swapper/1021:39:072
11184599416416,0cyclictest0-21swapper/1021:28:002
11184599416416,0cyclictest0-21swapper/1021:01:072
11184599416416,0cyclictest0-21swapper/1000:31:002
1118269941610,404cyclictest0-21swapper/421:46:5910
1118249941614,402cyclictest0-21swapper/320:16:429
1118249941614,402cyclictest0-21swapper/320:16:429
111820994169,407cyclictest0-21swapper/223:32:218
111820994168,407cyclictest0-21swapper/219:13:488
111814994169,402cyclictest0-21swapper/020:21:240
111859994150,414cyclictest0-21swapper/1423:08:596
11184599415415,0cyclictest0-21swapper/1023:49:592
11184599415415,0cyclictest0-21swapper/1023:28:002
11184599415415,0cyclictest0-21swapper/1021:34:092
11184599415415,0cyclictest0-21swapper/1020:35:042
11184599415415,0cyclictest0-21swapper/1020:13:592
11184599415415,0cyclictest0-21swapper/1020:00:102
11184599415415,0cyclictest0-21swapper/1019:41:362
11184599415415,0cyclictest0-21swapper/1019:27:072
11184599415415,0cyclictest0-21swapper/1000:36:592
11184599415415,0cyclictest0-21swapper/1000:20:002
11184599415414,1cyclictest0-21swapper/1022:16:552
111830994153,411cyclictest0-21swapper/519:34:5411
111830994153,411cyclictest0-21swapper/519:34:5411
1118269941510,405cyclictest0-21swapper/419:31:1510
1118269941510,405cyclictest0-21swapper/419:31:1410
111814994158,402cyclictest0-21swapper/020:38:320
111859994140,414cyclictest0-21swapper/1423:35:596
1118509941416,398cyclictest390759-21thunderbird00:29:373
111820994147,406cyclictest0-21swapper/219:44:468
1118169941418,28cyclictest0-21swapper/121:32:211
111859994130,413cyclictest0-21swapper/1419:32:596
111859994130,413cyclictest0-21swapper/1419:32:586
1118309941310,403cyclictest0-21swapper/523:15:1911
1118249941312,400cyclictest0-21swapper/321:48:199
111820994137,406cyclictest0-21swapper/221:11:508
1118629941212,400cyclictest0-21swapper/1520:32:597
111852994127,401cyclictest0-21swapper/1220:57:124
1118529941215,397cyclictest0-21swapper/1200:17:144
1118249941210,402cyclictest0-21swapper/323:50:519
111850994117,402cyclictest0-21swapper/1119:38:583
111842994114,406cyclictest0-21swapper/922:48:1815
111820994116,404cyclictest0-21swapper/221:37:208
111820994113,407cyclictest0-21swapper/200:18:388
111814994110,404cyclictest0-21swapper/019:33:210
111814994110,404cyclictest0-21swapper/019:33:210
111859994100,409cyclictest0-21swapper/1420:24:256
111814994109,395cyclictest0-21swapper/022:25:230
11181499410407,3cyclictest0-21swapper/021:32:450
111814994100,404cyclictest0-21swapper/020:34:480
111814994100,403cyclictest0-21swapper/021:00:280
111814994100,403cyclictest0-21swapper/000:28:230
111814994090,409cyclictest0-21swapper/023:22:290
111814994090,403cyclictest0-21swapper/000:21:490
111862994080,407cyclictest0-21swapper/1519:24:347
111855994080,405cyclictest0-21swapper/1321:14:445
111836994080,408cyclictest0-21swapper/719:34:5413
111836994080,408cyclictest0-21swapper/719:34:5313
111814994081,0cyclictest0-21swapper/000:18:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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