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2026-05-17 - 21:47
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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 Sun May 17, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8884211050,21sleep00-21swapper/007:07:150
887629365,23sleep20-21swapper/207:07:092
901428960,23sleep30-21swapper/307:08:583
890528557,23sleep10-21swapper/107:07:311
9203996714,42cyclictest0-21swapper/010:10:150
9203996511,44cyclictest0-21swapper/010:05:010
920399648,40cyclictest0-21swapper/010:47:030
920399648,40cyclictest0-21swapper/010:47:030
9203996413,40cyclictest0-21swapper/011:30:120
920399576,23cyclictest0-21swapper/010:05:230
9203995616,37cyclictest0-21swapper/012:32:320
9203995616,37cyclictest0-21swapper/012:32:320
920399556,46cyclictest0-21swapper/010:15:150
9203995515,37cyclictest0-21swapper/009:20:110
9203995514,21cyclictest0-21swapper/009:40:460
9203995511,17cyclictest0-21swapper/010:40:250
9203995312,18cyclictest0-21swapper/010:58:370
9203995312,17cyclictest0-21swapper/010:30:250
9203995311,20cyclictest0-21swapper/011:11:400
9203995215,35cyclictest0-21swapper/011:40:090
9203995214,35cyclictest0-21swapper/009:30:260
9203995214,35cyclictest0-21swapper/009:30:250
9203995214,35cyclictest0-21swapper/009:15:230
9203995213,17cyclictest0-21swapper/010:22:190
9203995115,33cyclictest0-21swapper/009:11:560
9203995114,34cyclictest0-21swapper/010:35:320
9203995113,35cyclictest0-21swapper/011:58:430
9203995113,15cyclictest0-21swapper/011:27:570
9203995111,19cyclictest0-21swapper/012:07:040
9203995012,35cyclictest0-21swapper/011:52:280
9203995012,35cyclictest0-21swapper/011:52:280
9203995010,18cyclictest0-21swapper/007:23:040
920399499,19cyclictest0-21swapper/009:35:280
920399499,18cyclictest0-21swapper/011:00:360
9203994910,19cyclictest0-21swapper/012:28:220
9203994910,19cyclictest0-21swapper/012:28:220
920399486,17cyclictest0-21swapper/011:35:300
920399485,27cyclictest0-21swapper/008:33:250
920399485,26cyclictest0-21swapper/007:55:190
920399485,23cyclictest0-21swapper/009:50:340
920399485,23cyclictest0-21swapper/009:00:130
9203994813,17cyclictest0-21swapper/010:28:110
9203994812,15cyclictest0-21swapper/012:00:260
920399477,22cyclictest0-21swapper/012:20:230
920399476,15cyclictest0-21swapper/012:10:350
920399475,17cyclictest0-21swapper/008:25:060
9203994713,16cyclictest0-21swapper/008:10:230
9203994712,16cyclictest0-21swapper/008:05:180
920399468,20cyclictest0-21swapper/007:35:310
920399466,20cyclictest0-21swapper/009:45:140
920399466,16cyclictest0-21swapper/009:25:120
920399465,18cyclictest0-21swapper/009:05:160
9203994616,17cyclictest0-21swapper/007:45:010
9203994614,15cyclictest0-21swapper/010:50:160
9203994612,16cyclictest0-21swapper/008:45:170
9203994610,13cyclictest0-21swapper/011:20:210
920399459,19cyclictest0-21swapper/008:50:080
920399459,19cyclictest0-21swapper/008:39:530
920399459,19cyclictest0-21swapper/007:10:380
920399459,19cyclictest0-21swapper/007:10:380
920399456,16cyclictest0-21swapper/012:15:270
920399456,16cyclictest0-21swapper/011:15:180
920399456,16cyclictest0-21swapper/011:15:180
920399456,16cyclictest0-21swapper/011:05:350
920399456,16cyclictest0-21swapper/007:30:310
920399449,17cyclictest0-21swapper/008:00:150
920399447,15cyclictest0-21swapper/012:35:140
9203994417,13cyclictest0-21swapper/007:26:440
9203994416,16cyclictest0-21swapper/008:55:050
9203994413,14cyclictest0-21swapper/007:50:120
9203994412,16cyclictest0-21swapper/008:15:140
9203994410,18cyclictest0-21swapper/007:15:190
9203994410,18cyclictest0-21swapper/007:15:190
920399436,16cyclictest0-21swapper/009:55:120
197322430,2sleep229509-21stress11:15:242
197322430,2sleep229509-21stress11:15:242
920399426,15cyclictest0-21swapper/008:40:100
9203994210,17cyclictest0-21swapper/007:46:060
920399416,14cyclictest0-21swapper/008:20:140
9206993914,22cyclictest0-21swapper/309:56:223
9204993914,22cyclictest0-21swapper/110:40:131
10482395,15sleep20-21swapper/208:02:112
227462385,14sleep10-21swapper/108:52:051
226582385,14sleep20-21swapper/208:50:592
141862385,14sleep30-21swapper/308:33:263
9206993724,11cyclictest0-21swapper/310:16:183
9206993714,21cyclictest0-21swapper/310:30:123
9204993712,22cyclictest0-21swapper/110:35:131
270572375,14sleep10-21swapper/107:48:301
98082365,14sleep20-21swapper/208:22:282
9206993614,20cyclictest0-21swapper/311:49:173
9205993612,21cyclictest0-21swapper/209:45:502
9205993611,22cyclictest0-21swapper/210:51:512
9204993612,22cyclictest0-21swapper/112:20:281
9204993611,15cyclictest0-21swapper/107:54:341
311432365,14sleep30-21swapper/307:55:263
248372364,13sleep10-21swapper/108:56:031
9206993515,17cyclictest0-21swapper/311:09:523
9206993514,19cyclictest0-21swapper/309:36:233
9204993513,19cyclictest0-21swapper/111:12:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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