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2026-06-10 - 03:38
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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 rack7slot1.osadl.org (updated Wed Jun 10, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
915721250,1sleep228384-21stress22:53:092
7562211253,20sleep20-21swapper/219:08:382
737429851,42sleep00-21swapper/019:06:150
742029065,20sleep30-21swapper/319:06:503
740328355,23sleep10-21swapper/119:06:361
179112470,1sleep028384-21stress23:14:130
65972460,1sleep028384-21stress21:30:540
7772994311,29cyclictest0-21swapper/221:44:582
7770994327,14cyclictest0-21swapper/021:54:520
7770994211,28cyclictest0-21swapper/023:06:350
7770994211,28cyclictest0-21swapper/023:06:350
7770994116,15cyclictest0-21swapper/000:13:490
7772994015,22cyclictest0-21swapper/222:45:002
7770994013,24cyclictest0-21swapper/000:01:270
777099399,27cyclictest0-21swapper/022:47:560
777099398,28cyclictest0-21swapper/022:55:020
777099398,28cyclictest0-21swapper/022:51:380
7770993911,25cyclictest0-21swapper/023:36:190
236092395,32sleep30-21swapper/319:44:163
235942398,12sleep10-21swapper/119:44:061
214502399,12sleep10-21swapper/119:39:171
140862390,1sleep228384-21stress00:20:042
7772993810,25cyclictest0-21swapper/221:28:362
777099388,27cyclictest0-21swapper/023:02:360
777099388,27cyclictest0-21swapper/021:45:070
7770993812,23cyclictest0-21swapper/023:52:260
7770993811,24cyclictest0-21swapper/023:30:030
238082385,13sleep00-21swapper/019:45:010
7772993714,20cyclictest0-21swapper/222:55:132
7772993713,21cyclictest0-21swapper/223:56:512
777099378,26cyclictest0-21swapper/000:20:060
7770993715,20cyclictest0-21swapper/023:46:100
7770993713,21cyclictest0-21swapper/021:35:040
85732365,12sleep10-21swapper/120:22:121
7772993616,17cyclictest0-21swapper/200:37:372
7772993613,20cyclictest0-21swapper/221:52:462
7770993614,19cyclictest0-21swapper/022:40:540
7770993612,21cyclictest0-21swapper/000:15:070
7770993612,21cyclictest0-21swapper/000:15:070
322092365,13sleep30-21swapper/320:02:323
281242365,11sleep20-21swapper/221:07:442
238062365,11sleep20-21swapper/220:57:572
7772993516,16cyclictest0-21swapper/223:35:472
7772993516,16cyclictest0-21swapper/221:47:372
7772993510,22cyclictest0-21swapper/222:46:582
777099357,25cyclictest0-21swapper/000:33:100
7770993514,18cyclictest0-21swapper/023:20:240
7770993514,18cyclictest0-21swapper/000:39:170
64652355,11sleep20-21swapper/220:17:592
40952355,11sleep00-21swapper/020:11:080
19392355,12sleep10-21swapper/120:06:561
7773993411,20cyclictest0-21swapper/323:46:113
7772993416,15cyclictest0-21swapper/223:12:442
7772993414,17cyclictest0-21swapper/200:30:202
777199348,23cyclictest0-21swapper/123:33:091
7771993412,15cyclictest0-21swapper/100:30:051
7771993411,20cyclictest0-21swapper/100:03:401
7771993410,21cyclictest0-21swapper/100:35:421
777099349,17cyclictest0-21swapper/023:40:060
777099349,17cyclictest0-21swapper/023:40:060
777099348,23cyclictest0-21swapper/000:25:200
777099348,15cyclictest0-21swapper/000:05:280
7770993414,17cyclictest0-21swapper/023:25:090
7770993414,17cyclictest0-21swapper/022:35:310
7770993410,18cyclictest0-21swapper/021:09:030
40822345,11sleep30-21swapper/320:10:593
279892344,11sleep30-21swapper/319:54:473
257402344,11sleep30-21swapper/319:48:413
215272344,11sleep00-21swapper/020:51:260
19942345,11sleep30-21swapper/320:07:383
151902344,11sleep30-21swapper/320:38:473
106962344,12sleep30-21swapper/320:26:433
7773993315,16cyclictest0-21swapper/322:10:373
7773993315,16cyclictest0-21swapper/321:28:433
7773993315,15cyclictest0-21swapper/323:21:013
7773993315,15cyclictest0-21swapper/300:31:283
7773993311,19cyclictest0-21swapper/322:27:013
7773993311,19cyclictest0-21swapper/322:27:013
7773993311,19cyclictest0-21swapper/322:21:473
7772993316,14cyclictest0-21swapper/221:20:042
7772993316,14cyclictest0-21swapper/221:20:042
7772993312,18cyclictest0-21swapper/223:09:342
7772993312,18cyclictest0-21swapper/223:09:332
7772993311,19cyclictest0-21swapper/223:45:082
7771993316,14cyclictest0-21swapper/122:14:301
7771993315,15cyclictest0-21swapper/100:20:341
7771993310,20cyclictest0-21swapper/122:34:231
7771993310,20cyclictest0-21swapper/122:34:231
7771993310,20cyclictest0-21swapper/121:18:481
777099339,21cyclictest0-21swapper/021:10:210
777099339,18cyclictest0-21swapper/020:35:300
777099335,17cyclictest0-21swapper/019:55:410
7770993317,14cyclictest0-21swapper/019:25:160
7770993316,14cyclictest0-21swapper/022:25:480
7770993316,14cyclictest0-21swapper/022:25:480
7770993315,17cyclictest0-21swapper/019:15:060
7770993312,18cyclictest0-21swapper/021:15:260
65352334,11sleep00-21swapper/020:18:540
299342335,11sleep30-21swapper/319:56:553
214912335,9sleep30-21swapper/319:39:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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