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2026-05-27 - 19:20
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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 Wed May 27, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11434211959,20sleep20-21swapper/207:07:142
11472211855,58sleep30-21swapper/307:07:433
1135329151,35sleep10-21swapper/107:06:171
1138628456,23sleep00-21swapper/007:06:400
11755996713,39cyclictest0-21swapper/111:10:411
191102580,1sleep032283-21stress09:52:200
11755995313,17cyclictest0-21swapper/109:25:321
11755995311,17cyclictest0-21swapper/111:00:331
11755995214,15cyclictest0-21swapper/112:15:271
1175599519,20cyclictest0-21swapper/111:44:171
1175599518,21cyclictest0-21swapper/111:15:071
11755995116,15cyclictest0-21swapper/110:36:051
11755995015,17cyclictest0-21swapper/112:13:171
11755995015,17cyclictest0-21swapper/112:13:161
11755995015,15cyclictest0-21swapper/109:10:221
11755995015,15cyclictest0-21swapper/109:10:221
11755995014,16cyclictest0-21swapper/109:55:311
11755995014,16cyclictest0-21swapper/109:30:241
11755995014,15cyclictest0-21swapper/111:55:141
11755995014,15cyclictest0-21swapper/109:40:181
11755995011,14cyclictest0-21swapper/109:40:031
1175599499,21cyclictest0-21swapper/109:24:451
11755994915,15cyclictest0-21swapper/111:20:121
11755994915,13cyclictest0-21swapper/109:45:121
11755994915,13cyclictest0-21swapper/109:45:121
11755994914,15cyclictest0-21swapper/110:58:231
11755994914,15cyclictest0-21swapper/110:58:221
11755994813,17cyclictest0-21swapper/107:16:191
11755994811,19cyclictest0-21swapper/111:35:241
1175599475,24cyclictest0-21swapper/107:13:191
11755994713,14cyclictest0-21swapper/111:05:141
11755994711,13cyclictest0-21swapper/112:30:271
11754994715,17cyclictest0-21swapper/011:45:220
1175599465,24cyclictest0-21swapper/109:00:291
11755994613,12cyclictest0-21swapper/111:55:021
11755994610,14cyclictest0-21swapper/109:17:111
1175599456,19cyclictest0-21swapper/112:25:321
1175599456,16cyclictest0-21swapper/110:14:491
1175599455,25cyclictest0-21swapper/107:51:501
11755994512,17cyclictest0-21swapper/111:30:191
11755994512,14cyclictest0-21swapper/110:50:011
11755994511,14cyclictest0-21swapper/110:54:211
1175599446,18cyclictest0-21swapper/111:45:191
1175599445,19cyclictest0-21swapper/108:30:381
11755994415,15cyclictest0-21swapper/108:03:001
1175599436,18cyclictest0-21swapper/110:30:221
1175599435,23cyclictest0-21swapper/107:30:301
1175599435,19cyclictest0-21swapper/107:45:011
1175599435,19cyclictest0-21swapper/107:45:011
11755994310,12cyclictest0-21swapper/112:05:221
1175599425,35cyclictest0-21swapper/108:59:301
1175599425,21cyclictest0-21swapper/108:12:091
1175599425,19cyclictest0-21swapper/108:15:151
11755994214,10cyclictest0-21swapper/108:21:281
1175499427,32cyclictest0-21swapper/010:31:220
11754994212,27cyclictest0-21swapper/011:29:230
11754994212,27cyclictest0-21swapper/011:29:220
1175599419,13cyclictest0-21swapper/110:05:111
11755994115,10cyclictest0-21swapper/107:42:391
1175599409,11cyclictest0-21swapper/107:35:171
1175599405,19cyclictest0-21swapper/108:45:201
11757993910,26cyclictest0-21swapper/312:24:403
1175599398,14cyclictest0-21swapper/112:35:021
1175599396,17cyclictest0-21swapper/110:15:141
1175599396,17cyclictest0-21swapper/110:15:141
1175599395,19cyclictest0-21swapper/107:57:041
11754993915,21cyclictest0-21swapper/011:38:550
11754993913,23cyclictest0-21swapper/009:35:030
232992384,14sleep20-21swapper/207:34:562
211962385,13sleep20-21swapper/208:43:262
169202386,13sleep20-21swapper/208:33:562
167482385,14sleep20-21swapper/207:19:052
1175599389,11cyclictest0-21swapper/108:09:071
11754993817,19cyclictest0-21swapper/010:35:110
11754993815,21cyclictest0-21swapper/009:31:200
14872375,14sleep20-21swapper/207:56:422
11757993714,20cyclictest0-21swapper/310:17:523
11757993714,20cyclictest0-21swapper/310:17:523
1175499379,21cyclictest0-21swapper/008:25:270
1175499378,23cyclictest0-21swapper/007:38:570
11754993715,19cyclictest0-21swapper/012:35:250
11754993714,20cyclictest0-21swapper/011:50:480
11754993710,25cyclictest0-21swapper/010:59:580
11754993710,25cyclictest0-21swapper/010:59:580
318542365,13sleep30-21swapper/307:53:273
210182365,13sleep00-21swapper/007:28:340
190582365,13sleep30-21swapper/308:38:413
138262365,11sleep30-21swapper/307:14:403
1175799368,25cyclictest0-21swapper/312:37:093
1175499368,22cyclictest0-21swapper/008:08:290
1175499367,23cyclictest0-21swapper/007:22:280
11754993613,20cyclictest0-21swapper/009:26:530
79482355,11sleep00-21swapper/008:10:240
165312354,13sleep00-21swapper/007:16:270
160882356,11sleep00-21swapper/008:30:210
124932355,12sleep30-21swapper/308:23:023
11756993515,17cyclictest0-21swapper/210:16:312
11756993515,17cyclictest0-21swapper/210:16:302
1175599358,11cyclictest0-21swapper/108:39:281
1175499357,23cyclictest0-21swapper/007:55:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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