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2026-07-11 - 12:59
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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 Sat Jul 11, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5383212057,23sleep20-21swapper/219:09:442
5258211451,23sleep00-21swapper/019:08:100
5264211350,21sleep10-21swapper/119:08:151
509529368,20sleep30-21swapper/319:06:123
550699535,35cyclictest26577-21stress23:10:320
550699533,34cyclictest26577-21stress00:10:370
550699516,28cyclictest26579-21stress21:55:300
550699503,31cyclictest26579-21stress21:55:000
550699495,28cyclictest26579-21stress22:28:320
550699493,34cyclictest26579-21stress00:00:290
550699493,34cyclictest26579-21stress00:00:290
550699486,23cyclictest0-21swapper/000:20:020
550699468,22cyclictest0-21swapper/000:09:110
550699465,38cyclictest0-21swapper/023:40:270
550699457,28cyclictest26579-21stress00:38:410
550699457,28cyclictest26579-21stress00:38:410
550699455,32cyclictest0-21swapper/019:55:120
550699455,32cyclictest0-21swapper/019:25:240
550699455,27cyclictest0-21swapper/019:15:140
550699455,27cyclictest0-21swapper/019:15:140
550699446,23cyclictest0-21swapper/022:30:170
550699446,23cyclictest0-21swapper/000:30:360
550699436,33cyclictest26579-21stress22:50:510
550699435,24cyclictest0-21swapper/023:00:350
550699435,24cyclictest0-21swapper/023:00:350
550699433,30cyclictest26577-21stress22:17:360
550699428,32cyclictest0-21swapper/000:25:300
550699425,25cyclictest0-21swapper/020:15:060
550699425,24cyclictest0-21swapper/020:20:140
550699425,24cyclictest0-21swapper/019:10:230
550699423,37cyclictest26577-21stress23:20:010
550699422,30cyclictest26579-21stress23:25:220
550699416,32cyclictest26579-21stress22:45:300
550699415,33cyclictest26577-21stress23:20:140
550699415,24cyclictest0-21swapper/020:50:220
550699415,22cyclictest0-21swapper/022:15:000
550699413,28cyclictest26579-21stress21:46:130
5506994124,14cyclictest0-21swapper/021:26:150
550699409,28cyclictest0-21swapper/021:30:150
550699409,28cyclictest0-21swapper/021:30:150
550699406,30cyclictest26579-21stress22:40:230
550699405,31cyclictest26579-21stress23:48:080
550699403,34cyclictest2428-21df_inode23:55:150
550699403,22cyclictest26577-21stress21:40:160
551499399,20cyclictest0-21swapper/223:13:052
550699396,30cyclictest26579-21stress23:31:440
550699396,29cyclictest26577-21stress23:06:070
550699396,25cyclictest0-21swapper/019:40:060
550699395,32cyclictest0-21swapper/019:34:480
550699395,31cyclictest26579-21stress22:55:250
550699395,24cyclictest0-21swapper/020:05:230
550699394,18cyclictest0-21swapper/021:17:040
550699393,4cyclictest26577-21stress21:23:350
550699393,33cyclictest26579-21stress22:21:390
550699392,6cyclictest26577-21stress21:35:310
550699392,6cyclictest26577-21stress21:35:310
300902395,12sleep20-21swapper/220:02:252
551499386,20cyclictest0-21swapper/222:05:132
551499386,20cyclictest0-21swapper/222:05:122
550699387,18cyclictest0-21swapper/020:35:230
550699386,28cyclictest26579-21stress21:11:140
550699385,3cyclictest0-21swapper/020:10:180
550699385,31cyclictest0-21swapper/020:00:210
550699385,30cyclictest0-21swapper/020:45:190
550699385,29cyclictest26577-21stress23:35:150
550699385,24cyclictest0-21swapper/019:50:220
301862385,12sleep30-21swapper/320:03:313
256032385,15sleep30-21swapper/319:50:563
551499375,22cyclictest0-21swapper/223:30:522
5507993713,22cyclictest0-21swapper/100:30:011
550699376,25cyclictest0-21swapper/020:55:150
550699375,30cyclictest0-21swapper/021:08:260
550699375,30cyclictest0-21swapper/021:08:260
550699375,30cyclictest0-21swapper/020:40:220
550699375,30cyclictest0-21swapper/020:30:120
550699375,28cyclictest26579-21stress23:50:110
5506993719,16cyclictest0-21swapper/022:35:310
130082375,16sleep30-21swapper/320:35:513
108202375,15sleep30-21swapper/320:30:373
103872375,11sleep10-21swapper/119:17:101
103872375,11sleep10-21swapper/119:17:101
86592365,13sleep10-21swapper/120:25:391
5520993613,20cyclictest0-21swapper/321:21:413
550799369,24cyclictest0-21swapper/123:01:091
550799369,24cyclictest0-21swapper/123:01:091
550799367,15cyclictest0-21swapper/121:20:171
5507993612,21cyclictest0-21swapper/123:50:291
550699369,22cyclictest0-21swapper/020:25:000
550699368,25cyclictest1899-21runrttasks19:39:050
550699366,28cyclictest0-21swapper/019:20:210
550699366,28cyclictest0-21swapper/019:20:200
550699365,29cyclictest0-21swapper/021:00:190
550699365,29cyclictest0-21swapper/000:20:230
550699365,16cyclictest0-21swapper/019:47:160
550699363,3cyclictest26579-21stress22:05:200
550699363,3cyclictest26579-21stress22:05:200
550699362,31cyclictest26579-21stress22:00:460
234532365,15sleep10-21swapper/119:46:401
219382365,15sleep30-21swapper/320:57:563
148442365,15sleep20-21swapper/219:28:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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