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2026-05-25 - 03:14
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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 Mon May 25, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1971021500,1sleep230574-21stress21:58:512
9925213067,23sleep30-21swapper/319:08:343
9942211452,57sleep00-21swapper/019:08:470
2185621110,1sleep030574-21stress22:03:300
2185621110,1sleep030574-21stress22:03:300
10014211151,21sleep20-21swapper/219:09:432
972128557,23sleep10-21swapper/119:06:031
10140994311,29cyclictest0-21swapper/022:44:560
10140994311,29cyclictest0-21swapper/022:44:560
10140994311,29cyclictest0-21swapper/000:30:390
10140994311,29cyclictest0-21swapper/000:30:390
10140994216,23cyclictest0-21swapper/021:20:070
10140994211,28cyclictest0-21swapper/022:45:090
10140994211,28cyclictest0-21swapper/022:45:080
1014099419,30cyclictest0-21swapper/021:43:220
1014099419,29cyclictest0-21swapper/021:55:310
10140994111,27cyclictest0-21swapper/022:28:430
10140994011,26cyclictest0-21swapper/023:26:370
10140994011,26cyclictest0-21swapper/022:36:510
10140994011,26cyclictest0-21swapper/022:16:170
10140994011,26cyclictest0-21swapper/022:10:030
43292398,12sleep10-21swapper/120:07:551
148782399,12sleep10-21swapper/119:16:351
10140993910,26cyclictest0-21swapper/021:26:480
44162385,13sleep30-21swapper/320:08:583
236802389,12sleep10-21swapper/119:38:081
10143993810,12cyclictest0-21swapper/321:25:443
10142993814,21cyclictest0-21swapper/222:39:082
1014099389,18cyclictest0-21swapper/000:10:330
10140993815,20cyclictest0-21swapper/022:50:040
10140993815,20cyclictest0-21swapper/022:30:190
10140993812,23cyclictest0-21swapper/023:00:400
10140993811,24cyclictest0-21swapper/023:30:050
10140993810,25cyclictest0-21swapper/023:42:240
10140993810,25cyclictest0-21swapper/022:55:040
63532375,13sleep20-21swapper/220:10:492
324772375,13sleep20-21swapper/219:59:222
324282375,13sleep10-21swapper/119:58:451
257962375,13sleep10-21swapper/119:42:291
192052375,13sleep30-21swapper/319:26:153
131522375,13sleep30-21swapper/320:29:513
10143993714,20cyclictest0-21swapper/321:30:363
10143993714,20cyclictest0-21swapper/321:30:363
1014299374,18cyclictest0-21swapper/223:29:332
10141993712,22cyclictest0-21swapper/121:53:521
10140993715,15cyclictest0-21swapper/023:10:300
10140993710,24cyclictest0-21swapper/021:17:250
10140993710,24cyclictest0-21swapper/021:10:350
299522365,13sleep00-21swapper/019:50:380
258702365,12sleep10-21swapper/120:56:191
239442364,13sleep20-21swapper/220:54:162
237412364,13sleep30-21swapper/320:51:483
216012364,13sleep20-21swapper/219:34:042
194272365,13sleep00-21swapper/020:41:590
107732364,13sleep00-21swapper/020:21:540
10143993616,17cyclictest0-21swapper/322:04:593
10143993616,17cyclictest0-21swapper/322:04:593
1014299368,26cyclictest0-21swapper/219:42:022
44732355,13sleep00-21swapper/020:09:400
302252353,13sleep20-21swapper/221:06:432
281012353,13sleep30-21swapper/319:49:293
238652355,12sleep10-21swapper/120:53:151
172812354,12sleep10-21swapper/119:24:081
119842354,13sleep10-21swapper/119:11:571
1014399356,26cyclictest0-21swapper/321:50:343
10143993520,13cyclictest0-21swapper/321:21:403
10143993510,22cyclictest0-21swapper/300:07:013
1014299359,24cyclictest0-21swapper/220:20:122
1014299358,25cyclictest0-21swapper/221:03:022
1014299358,25cyclictest0-21swapper/221:03:022
1014299358,25cyclictest0-21swapper/220:47:322
10142993514,18cyclictest0-21swapper/221:18:142
10140993513,16cyclictest0-21swapper/000:40:010
10140993511,21cyclictest0-21swapper/000:20:250
20892345,12sleep10-21swapper/120:02:301
128282344,12sleep10-21swapper/120:25:481
121162345,12sleep00-21swapper/019:13:290
1014399349,22cyclictest0-21swapper/322:45:503
1014399349,22cyclictest0-21swapper/322:45:503
10143993411,20cyclictest0-21swapper/321:38:233
10143993411,20cyclictest0-21swapper/321:11:493
1014299348,24cyclictest0-21swapper/220:58:122
1014299348,24cyclictest0-21swapper/220:41:422
10141993415,16cyclictest0-21swapper/100:26:571
10141993415,16cyclictest0-21swapper/100:26:571
10141993410,21cyclictest0-21swapper/123:31:231
10140993412,19cyclictest0-21swapper/022:05:330
10140993412,19cyclictest0-21swapper/022:05:330
10140993411,20cyclictest0-21swapper/021:35:040
10140993410,21cyclictest0-21swapper/023:45:210
300822335,9sleep20-21swapper/219:52:082
238122335,9sleep30-21swapper/319:39:463
192202334,11sleep00-21swapper/019:26:240
171932335,9sleep30-21swapper/320:36:003
150072335,9sleep20-21swapper/220:30:502
1014399338,22cyclictest0-21swapper/300:18:423
10143993313,17cyclictest0-21swapper/300:11:253
10143993312,18cyclictest0-21swapper/323:18:303
10143993310,20cyclictest0-21swapper/300:36:463
10143993310,20cyclictest0-21swapper/300:20:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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