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2025-11-29 - 15:16
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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 Nov 29, 2025 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7155212457,23sleep30-21swapper/307:09:063
7134211652,59sleep00-21swapper/007:08:500
7008211351,56sleep10-21swapper/107:07:241
7086211151,21sleep20-21swapper/207:08:202
734099599,29cyclictest0-21swapper/211:20:152
7340995911,27cyclictest0-21swapper/210:53:572
7340995910,28cyclictest0-21swapper/209:51:162
734099589,45cyclictest0-21swapper/212:00:022
734099589,29cyclictest0-21swapper/210:24:262
7340995817,21cyclictest0-21swapper/211:00:282
7340995817,21cyclictest0-21swapper/211:00:282
7340995814,22cyclictest0-21swapper/210:55:252
734099578,29cyclictest0-21swapper/210:34:262
734099578,28cyclictest0-21swapper/212:00:052
7340995714,21cyclictest0-21swapper/210:00:312
734099566,30cyclictest0-21swapper/212:14:532
734099566,24cyclictest0-21swapper/212:35:182
734099566,24cyclictest0-21swapper/212:35:172
7340995611,41cyclictest0-21swapper/210:40:362
734099559,43cyclictest0-21swapper/210:17:302
734099557,28cyclictest0-21swapper/210:35:112
734099549,42cyclictest0-21swapper/212:05:202
734099546,28cyclictest0-21swapper/210:25:212
7340995312,38cyclictest0-21swapper/209:35:122
7340995310,23cyclictest0-21swapper/212:30:232
734099528,41cyclictest0-21swapper/209:55:092
7340995215,17cyclictest0-21swapper/210:13:222
7340995213,17cyclictest0-21swapper/211:05:172
734099519,23cyclictest0-21swapper/210:45:252
734099517,23cyclictest0-21swapper/209:25:062
734099516,27cyclictest0-21swapper/212:25:212
7340995112,18cyclictest0-21swapper/211:30:272
134222510,1sleep128611-21stress09:47:251
134222510,1sleep128611-21stress09:47:251
7340995012,12cyclictest0-21swapper/210:08:222
7340995010,17cyclictest0-21swapper/209:23:122
734099495,26cyclictest0-21swapper/207:49:342
7340994914,17cyclictest0-21swapper/208:10:222
7340994913,15cyclictest0-21swapper/212:15:302
7340994913,14cyclictest0-21swapper/209:15:242
734099485,26cyclictest0-21swapper/208:17:032
734099485,26cyclictest0-21swapper/208:06:132
734099485,26cyclictest0-21swapper/207:52:242
734099485,26cyclictest0-21swapper/207:18:432
7340994814,15cyclictest0-21swapper/211:38:532
7340994814,15cyclictest0-21swapper/211:38:522
734099478,36cyclictest0-21swapper/211:50:172
734099475,24cyclictest0-21swapper/208:45:132
7340994714,14cyclictest0-21swapper/209:31:232
734099468,16cyclictest0-21swapper/209:40:142
734099467,21cyclictest0-21swapper/211:40:302
734099465,24cyclictest0-21swapper/209:02:532
7340994615,15cyclictest0-21swapper/209:05:342
7340994611,16cyclictest0-21swapper/208:25:252
33062460,1sleep028611-21stress11:50:520
734099455,24cyclictest0-21swapper/207:24:142
734099446,18cyclictest0-21swapper/211:10:332
734099446,15cyclictest0-21swapper/211:48:512
734099445,22cyclictest0-21swapper/207:39:422
7340994413,15cyclictest0-21swapper/208:22:342
7340994412,12cyclictest0-21swapper/211:15:182
7340994313,15cyclictest0-21swapper/207:32:512
7340994311,16cyclictest0-21swapper/208:44:582
734099425,22cyclictest0-21swapper/207:13:132
7340994210,11cyclictest0-21swapper/212:20:252
734099415,34cyclictest0-21swapper/208:00:252
734099415,34cyclictest0-21swapper/208:00:242
734099415,16cyclictest0-21swapper/207:25:132
734099405,19cyclictest0-21swapper/207:44:462
734099405,18cyclictest0-21swapper/208:33:522
7339994022,16cyclictest0-21swapper/112:06:231
7339994017,20cyclictest0-21swapper/110:59:391
734099395,18cyclictest0-21swapper/207:55:082
734099395,18cyclictest0-21swapper/207:55:082
734099395,17cyclictest0-21swapper/208:53:042
7339993921,15cyclictest0-21swapper/112:04:001
7339993919,17cyclictest0-21swapper/111:22:171
734199388,27cyclictest0-21swapper/310:47:263
7341993810,25cyclictest0-21swapper/309:11:323
734099389,13cyclictest0-21swapper/208:35:062
734099389,11cyclictest0-21swapper/209:10:312
734099385,17cyclictest0-21swapper/208:58:052
7339993822,13cyclictest0-21swapper/111:48:491
7339993821,14cyclictest0-21swapper/110:27:231
7339993819,16cyclictest0-21swapper/112:39:511
7339993819,16cyclictest0-21swapper/112:39:511
7339993819,16cyclictest0-21swapper/110:12:001
7339993814,21cyclictest0-21swapper/110:01:201
123502380,1sleep028611-21stress12:13:550
734199379,25cyclictest0-21swapper/312:27:013
7339993720,15cyclictest0-21swapper/109:50:281
7339993719,15cyclictest0-21swapper/112:34:221
7339993718,16cyclictest0-21swapper/112:10:111
7339993718,16cyclictest0-21swapper/111:30:401
7339993717,17cyclictest0-21swapper/111:05:441
7339993715,20cyclictest0-21swapper/110:40:331
67072375,13sleep30-21swapper/308:20:073
734199369,25cyclictest0-21swapper/310:44:393
7341993615,19cyclictest0-21swapper/309:29:183
7341993614,19cyclictest0-21swapper/310:08:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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