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2025-11-19 - 14:02
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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 Nov 19, 2025 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32629211253,54sleep00-21swapper/019:07:100
32494210677,24sleep20-21swapper/219:05:312
3270828961,23sleep30-21swapper/319:08:093
31528254,23sleep10-21swapper/119:09:071
49199419,29cyclictest0-21swapper/122:13:351
491994010,27cyclictest0-21swapper/121:34:111
490994012,25cyclictest0-21swapper/021:13:060
490993915,21cyclictest0-21swapper/022:55:010
490993915,21cyclictest0-21swapper/021:20:250
491993810,25cyclictest0-21swapper/100:16:181
491993810,25cyclictest0-21swapper/100:16:181
49099386,29cyclictest0-21swapper/022:36:010
490993812,23cyclictest0-21swapper/022:56:260
490993810,25cyclictest0-21swapper/022:49:190
209402385,13sleep20-21swapper/219:54:002
53182375,13sleep20-21swapper/219:16:342
493993715,19cyclictest0-21swapper/300:35:333
492993714,20cyclictest0-21swapper/222:06:482
492993712,22cyclictest0-21swapper/221:35:352
49199379,25cyclictest0-21swapper/121:35:281
491993711,23cyclictest0-21swapper/100:33:041
491993710,24cyclictest0-21swapper/123:05:321
491993710,24cyclictest0-21swapper/123:05:321
491993710,24cyclictest0-21swapper/122:15:101
49099379,24cyclictest0-21swapper/000:00:440
490993715,19cyclictest0-21swapper/000:30:490
490993711,23cyclictest0-21swapper/000:09:080
297622375,13sleep20-21swapper/220:14:252
275622375,13sleep20-21swapper/220:09:152
232362375,13sleep20-21swapper/219:59:572
165402375,13sleep20-21swapper/219:43:492
75622365,12sleep20-21swapper/219:21:522
59702365,13sleep00-21swapper/020:33:110
493993614,19cyclictest0-21swapper/322:15:353
492993615,18cyclictest0-21swapper/221:44:182
492993612,20cyclictest0-21swapper/222:25:192
491993614,20cyclictest0-21swapper/100:27:381
49099369,24cyclictest0-21swapper/021:15:140
49099369,24cyclictest0-21swapper/021:15:130
49099368,25cyclictest0-21swapper/023:36:560
49099365,29cyclictest0-21swapper/019:35:490
490993616,17cyclictest0-21swapper/021:51:460
39222365,12sleep20-21swapper/220:29:562
39222365,12sleep20-21swapper/220:29:562
252842365,13sleep10-21swapper/120:03:211
146792365,12sleep20-21swapper/220:51:502
121502365,13sleep20-21swapper/219:34:152
103722365,13sleep10-21swapper/120:42:541
493993521,12cyclictest0-21swapper/323:54:523
493993519,14cyclictest0-21swapper/323:45:013
493993519,14cyclictest0-21swapper/323:45:013
493993517,16cyclictest0-21swapper/323:34:403
493993514,18cyclictest0-21swapper/323:35:183
493993512,20cyclictest0-21swapper/323:58:403
49099358,24cyclictest0-21swapper/023:00:150
49099357,25cyclictest0-21swapper/000:35:500
490993516,16cyclictest0-21swapper/000:25:530
490993515,18cyclictest0-21swapper/000:15:370
490993515,18cyclictest0-21swapper/000:15:370
490993515,17cyclictest0-21swapper/022:32:040
490993515,17cyclictest0-21swapper/022:32:040
490993511,21cyclictest0-21swapper/023:50:080
273342355,12sleep10-21swapper/120:06:301
187952355,12sleep00-21swapper/019:49:360
170092355,13sleep10-21swapper/120:58:181
16942355,12sleep00-21swapper/020:24:250
164212355,13sleep10-21swapper/119:42:241
141012355,10sleep20-21swapper/219:35:592
104702355,10sleep20-21swapper/220:44:122
493993415,16cyclictest0-21swapper/322:20:173
493993415,16cyclictest0-21swapper/321:32:553
492993415,16cyclictest0-21swapper/221:46:052
490993416,16cyclictest0-21swapper/022:40:030
490993414,19cyclictest0-21swapper/020:51:480
490993410,21cyclictest0-21swapper/000:21:160
490993410,21cyclictest0-21swapper/000:21:160
37192344,10sleep00-21swapper/020:27:260
37192344,10sleep00-21swapper/020:27:250
298092345,10sleep30-21swapper/320:14:583
294922345,11sleep00-21swapper/020:11:020
25052345,10sleep20-21swapper/219:13:222
193052345,10sleep30-21swapper/321:04:343
191062345,10sleep10-21swapper/121:02:021
174262345,10sleep20-21swapper/221:00:122
170832345,10sleep20-21swapper/220:59:152
125392345,10sleep20-21swapper/220:47:372
99572335,10sleep30-21swapper/319:29:273
49399338,23cyclictest0-21swapper/320:59:243
49399338,23cyclictest0-21swapper/320:51:043
493993316,15cyclictest0-21swapper/300:15:083
493993316,15cyclictest0-21swapper/300:15:083
493993315,16cyclictest0-21swapper/323:00:253
493993314,16cyclictest0-21swapper/321:28:443
493993313,18cyclictest0-21swapper/321:18:383
493993313,18cyclictest0-21swapper/321:18:383
492993315,15cyclictest0-21swapper/221:52:542
49199336,24cyclictest0-21swapper/100:05:211
49199333,8cyclictest14215-21tr23:20:161
491993313,18cyclictest0-21swapper/121:22:591
49099339,22cyclictest0-21swapper/000:14:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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