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2026-07-04 - 15:30
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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 04, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
696721380,1sleep032114-21stress11:52:490
10794211451,23sleep10-21swapper/107:07:421
10665211252,55sleep00-21swapper/007:06:010
10678210951,53sleep30-21swapper/307:06:123
208321070,0sleep132114-21stress10:27:421
208321070,0sleep132114-21stress10:27:421
324732950,1sleep032116-21stress10:24:420
324732950,1sleep032116-21stress10:24:420
1079029365,23sleep20-21swapper/207:07:402
176422720,5sleep21108699cyclictest12:15:342
11085994414,19cyclictest0-21swapper/111:52:131
11085994313,20cyclictest0-21swapper/112:05:311
11085994313,15cyclictest0-21swapper/111:00:151
11085994313,15cyclictest0-21swapper/111:00:141
11087994222,17cyclictest0-21swapper/310:24:463
11087994222,17cyclictest0-21swapper/310:24:453
11085994116,22cyclictest0-21swapper/110:50:421
11087994015,22cyclictest0-21swapper/309:29:473
11087994013,24cyclictest0-21swapper/311:43:583
11085994013,24cyclictest0-21swapper/110:55:191
11085994013,24cyclictest0-21swapper/110:55:191
11085994010,15cyclictest0-21swapper/110:42:111
1108499407,19cyclictest0-21swapper/008:40:150
248082395,14sleep20-21swapper/207:38:392
12942395,13sleep20-21swapper/208:00:012
34662385,13sleep30-21swapper/308:03:553
11087993815,21cyclictest0-21swapper/310:40:333
11087993815,20cyclictest0-21swapper/311:26:133
11087993815,20cyclictest0-21swapper/310:35:113
1108599387,22cyclictest0-21swapper/111:48:591
11085993816,20cyclictest0-21swapper/110:12:381
11085993816,19cyclictest0-21swapper/111:08:261
313962375,13sleep30-21swapper/307:53:483
208692375,14sleep30-21swapper/308:42:533
186892375,13sleep20-21swapper/208:37:382
142212375,13sleep30-21swapper/308:26:403
11087993716,18cyclictest0-21swapper/312:30:253
11087993714,21cyclictest0-21swapper/310:10:313
11085993716,19cyclictest0-21swapper/111:37:021
11085993716,19cyclictest0-21swapper/111:37:021
11085993712,16cyclictest0-21swapper/111:25:061
11084993715,19cyclictest0-21swapper/009:54:400
98272365,12sleep30-21swapper/308:16:223
98272365,12sleep30-21swapper/308:16:223
55252365,13sleep20-21swapper/208:07:232
272782365,12sleep20-21swapper/208:55:592
251552365,12sleep10-21swapper/108:51:401
245722365,12sleep10-21swapper/107:35:581
219212365,11sleep30-21swapper/308:45:173
158782365,13sleep00-21swapper/007:16:250
1108799369,25cyclictest0-21swapper/309:53:553
11087993614,20cyclictest0-21swapper/309:13:503
1108599366,20cyclictest0-21swapper/110:30:161
11085993614,19cyclictest0-21swapper/111:31:211
11085993614,19cyclictest0-21swapper/111:10:231
11085993613,20cyclictest0-21swapper/111:58:341
11085993612,21cyclictest0-21swapper/109:49:481
11084993620,14cyclictest0-21swapper/007:41:030
295202355,12sleep10-21swapper/109:01:511
225562355,12sleep30-21swapper/307:33:033
166182355,12sleep10-21swapper/108:33:521
161292355,10sleep20-21swapper/207:19:232
160422355,13sleep10-21swapper/107:18:171
131672355,10sleep30-21swapper/307:14:383
128792355,12sleep00-21swapper/007:11:080
120492355,12sleep30-21swapper/308:21:553
11192355,13sleep10-21swapper/107:57:551
11086993510,22cyclictest0-21swapper/212:02:522
1108599359,18cyclictest0-21swapper/109:08:201
11085993512,20cyclictest0-21swapper/110:45:021
1108499359,17cyclictest0-21swapper/009:00:480
1108499358,25cyclictest0-21swapper/008:59:140
1108499358,15cyclictest0-21swapper/009:06:030
11084993517,15cyclictest0-21swapper/011:29:570
76872345,10sleep30-21swapper/308:11:463
57132345,10sleep30-21swapper/308:09:373
252142345,10sleep30-21swapper/308:52:273
208862345,10sleep20-21swapper/208:43:032
203672345,12sleep00-21swapper/007:28:030
186622345,10sleep10-21swapper/108:37:171
144902345,10sleep10-21swapper/108:29:591
129362345,10sleep20-21swapper/207:11:502
1108799348,23cyclictest0-21swapper/309:40:123
11087993414,18cyclictest0-21swapper/311:50:263
11087993414,18cyclictest0-21swapper/310:25:033
11087993414,18cyclictest0-21swapper/310:25:033
11087993414,18cyclictest0-21swapper/310:15:303
11087993411,20cyclictest0-21swapper/311:30:043
1108699345,27cyclictest0-21swapper/208:19:562
1108699345,27cyclictest0-21swapper/208:19:562
11086993415,16cyclictest0-21swapper/210:30:382
1108599345,21cyclictest0-21swapper/108:55:291
11085993415,17cyclictest0-21swapper/112:15:251
11084993419,14cyclictest0-21swapper/008:51:230
11084993417,16cyclictest0-21swapper/007:30:240
11084993416,15cyclictest0-21swapper/009:55:150
11084993416,15cyclictest0-21swapper/009:25:170
11084993413,18cyclictest0-21swapper/011:36:450
11084993413,18cyclictest0-21swapper/011:36:440
11084993411,20cyclictest0-21swapper/010:30:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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