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2025-12-11 - 09:20
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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 Thu Dec 11, 2025 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266021340,1sleep325832-21stress22:44:213
266021340,1sleep325832-21stress22:44:213
88921240,1sleep225832-21stress23:52:192
4020211652,59sleep20-21swapper/219:06:342
2250921150,1sleep125830-21stress23:28:271
2989121120,1sleep225830-21stress21:16:172
4070211152,20sleep10-21swapper/119:07:131
403329151,35sleep00-21swapper/019:06:440
423728961,23sleep30-21swapper/319:09:123
143842780,10sleep3440699cyclictest00:25:003
41772690,1sleep125830-21stress21:33:211
4403994211,28cyclictest0-21swapper/022:20:260
46142385,12sleep20-21swapper/219:10:072
4406993815,20cyclictest0-21swapper/322:05:213
440399389,26cyclictest0-21swapper/000:04:480
440399389,26cyclictest0-21swapper/000:04:480
440399387,28cyclictest0-21swapper/021:35:330
4403993812,23cyclictest0-21swapper/022:25:470
4403993810,25cyclictest0-21swapper/021:20:220
260042385,13sleep20-21swapper/219:55:182
210532385,13sleep30-21swapper/320:56:423
203122385,13sleep30-21swapper/319:41:083
120232385,13sleep20-21swapper/219:25:112
102242385,13sleep20-21swapper/220:34:442
4406993714,21cyclictest0-21swapper/323:16:183
440499375,17cyclictest0-21swapper/100:33:291
4403993713,21cyclictest0-21swapper/021:25:230
4403993712,22cyclictest0-21swapper/022:43:170
4403993712,22cyclictest0-21swapper/022:43:170
254312375,13sleep20-21swapper/221:06:072
254312375,13sleep20-21swapper/221:06:072
235272375,14sleep20-21swapper/221:04:312
226872375,13sleep30-21swapper/319:47:373
211042375,13sleep20-21swapper/220:57:172
166202375,13sleep30-21swapper/320:46:323
161802375,13sleep10-21swapper/119:34:521
146702375,13sleep30-21swapper/320:44:553
143572375,13sleep20-21swapper/220:41:052
123662375,12sleep20-21swapper/220:39:012
123142375,13sleep10-21swapper/120:38:241
92862365,13sleep10-21swapper/119:17:001
77812365,13sleep20-21swapper/220:26:502
62682365,13sleep10-21swapper/119:11:391
4406993615,19cyclictest0-21swapper/322:24:093
4406993614,20cyclictest0-21swapper/323:29:483
4406993613,21cyclictest0-21swapper/323:09:303
4405993615,18cyclictest0-21swapper/221:29:302
4403993621,13cyclictest0-21swapper/023:20:250
4403993617,16cyclictest0-21swapper/023:33:570
4403993617,16cyclictest0-21swapper/023:33:570
4403993615,19cyclictest0-21swapper/023:35:330
32732365,13sleep10-21swapper/120:16:021
315922365,13sleep10-21swapper/120:09:081
292782365,13sleep10-21swapper/120:02:191
256312365,13sleep10-21swapper/121:08:311
256312365,13sleep10-21swapper/121:08:311
254122365,12sleep30-21swapper/321:05:523
254122365,12sleep30-21swapper/321:05:523
225242365,13sleep20-21swapper/219:45:362
202292365,10sleep20-21swapper/219:40:272
189252365,13sleep10-21swapper/120:52:391
182402365,13sleep10-21swapper/119:38:091
143982365,13sleep10-21swapper/120:41:281
101202365,13sleep10-21swapper/120:33:301
440699356,26cyclictest0-21swapper/300:00:223
440699356,26cyclictest0-21swapper/300:00:223
4406993515,17cyclictest0-21swapper/322:45:343
4406993515,17cyclictest0-21swapper/322:45:343
4406993514,19cyclictest0-21swapper/322:53:123
4406993514,19cyclictest0-21swapper/322:53:123
4406993513,19cyclictest0-21swapper/321:40:173
4406993513,19cyclictest0-21swapper/321:40:173
440499356,16cyclictest0-21swapper/123:02:291
440399359,23cyclictest0-21swapper/000:05:240
440399359,23cyclictest0-21swapper/000:05:240
440399357,26cyclictest0-21swapper/023:10:290
440399356,27cyclictest0-21swapper/023:00:550
4403993515,17cyclictest0-21swapper/022:50:260
4403993515,17cyclictest0-21swapper/022:50:260
4403993515,17cyclictest0-21swapper/022:05:180
4403993515,17cyclictest0-21swapper/021:50:090
4403993513,20cyclictest0-21swapper/000:21:030
4403993512,20cyclictest0-21swapper/021:47:300
34182355,10sleep20-21swapper/220:17:282
116622355,13sleep00-21swapper/019:23:490
116622355,13sleep00-21swapper/019:23:490
4406993414,18cyclictest0-21swapper/323:56:043
4405993414,18cyclictest0-21swapper/222:01:332
440399347,25cyclictest0-21swapper/023:45:330
4403993415,17cyclictest0-21swapper/000:33:450
4403993413,18cyclictest0-21swapper/022:47:220
4403993413,18cyclictest0-21swapper/022:47:220
4403993411,20cyclictest0-21swapper/000:18:210
35832345,10sleep30-21swapper/320:19:373
316272345,10sleep20-21swapper/220:09:342
314602344,10sleep00-21swapper/020:07:350
291562344,11sleep00-21swapper/020:00:540
166722345,12sleep00-21swapper/020:47:130
158012345,10sleep20-21swapper/219:30:282
4406993313,12cyclictest0-21swapper/322:30:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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