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2026-03-28 - 15:19
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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 792 highest latencies:
System rack7slot1.osadl.org (updated Sat Mar 28, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2159121580,1sleep1568-21stress12:30:131
13017211453,55sleep30-21swapper/307:07:303
12890211055,19sleep20-21swapper/207:05:522
1306229850,43sleep00-21swapper/007:08:030
1304329552,38sleep10-21swapper/107:07:481
279802660,1sleep2568-21stress10:10:502
81692550,1sleep0570-21stress11:57:460
13324994612,31cyclictest0-21swapper/012:12:070
13324994415,26cyclictest0-21swapper/011:12:060
231562400,1sleep2570-21stress12:33:252
13324994011,26cyclictest0-21swapper/011:33:260
13324993911,25cyclictest0-21swapper/010:43:290
221562385,12sleep20-21swapper/208:43:252
13325993815,21cyclictest0-21swapper/112:13:111
13324993811,24cyclictest0-21swapper/010:55:260
13324993810,25cyclictest0-21swapper/011:35:070
13324993810,25cyclictest0-21swapper/011:35:060
112972385,13sleep20-21swapper/208:16:272
70642374,13sleep00-21swapper/008:06:580
292242375,13sleep20-21swapper/207:45:082
283752375,12sleep20-21swapper/208:56:242
265182375,13sleep30-21swapper/308:54:453
242802375,13sleep00-21swapper/008:48:200
200862375,13sleep20-21swapper/207:20:372
177562374,13sleep20-21swapper/208:31:472
13326993710,24cyclictest0-21swapper/211:53:342
13324993715,20cyclictest0-21swapper/012:22:230
13324993712,22cyclictest0-21swapper/010:30:390
13324993712,22cyclictest0-21swapper/010:30:390
13324993712,15cyclictest0-21swapper/011:50:120
13324993710,25cyclictest0-21swapper/010:10:140
13324993710,25cyclictest0-21swapper/009:12:000
13324993710,24cyclictest0-21swapper/012:28:540
75732365,12sleep00-21swapper/008:10:120
283362365,13sleep10-21swapper/108:55:551
265732365,12sleep20-21swapper/207:36:332
262012365,13sleep20-21swapper/208:50:432
245952364,12sleep20-21swapper/207:33:322
199972365,12sleep20-21swapper/208:38:202
198102364,13sleep30-21swapper/308:35:563
155372365,12sleep20-21swapper/208:25:562
155372365,12sleep20-21swapper/208:25:562
13327993619,15cyclictest0-21swapper/312:40:013
13326993616,18cyclictest0-21swapper/209:15:582
13326993610,23cyclictest0-21swapper/211:25:592
13326993610,23cyclictest0-21swapper/210:38:072
13324993614,19cyclictest0-21swapper/012:15:340
203072355,13sleep30-21swapper/307:23:223
157672355,12sleep00-21swapper/008:28:510
157672355,12sleep00-21swapper/008:28:510
155952355,13sleep30-21swapper/308:26:393
155952355,13sleep30-21swapper/308:26:383
135752355,12sleep30-21swapper/308:23:063
13327993511,21cyclictest0-21swapper/311:20:453
1332699356,26cyclictest0-21swapper/210:06:512
13326993515,17cyclictest0-21swapper/210:42:402
13325993516,16cyclictest0-21swapper/112:29:351
13325993514,19cyclictest0-21swapper/110:00:361
13325993514,19cyclictest0-21swapper/110:00:351
13324993517,16cyclictest0-21swapper/010:05:070
13324993516,17cyclictest0-21swapper/011:00:170
13324993516,17cyclictest0-21swapper/009:15:070
13324993516,16cyclictest0-21swapper/011:25:290
13324993514,19cyclictest0-21swapper/011:20:360
13324993510,23cyclictest0-21swapper/012:00:140
13324993510,23cyclictest0-21swapper/009:33:100
7692344,10sleep30-21swapper/307:54:463
50722343,12sleep30-21swapper/308:04:133
224382345,12sleep20-21swapper/207:28:102
219432345,12sleep00-21swapper/008:40:430
180782344,10sleep20-21swapper/207:17:052
13327993419,13cyclictest0-21swapper/310:40:293
13327993416,15cyclictest0-21swapper/310:59:403
13327993413,18cyclictest0-21swapper/309:36:223
13327993411,20cyclictest0-21swapper/312:18:113
13327993411,20cyclictest0-21swapper/309:56:033
13326993415,16cyclictest0-21swapper/209:54:462
13326993415,16cyclictest0-21swapper/209:54:462
13326993410,21cyclictest0-21swapper/210:49:142
1332499349,22cyclictest0-21swapper/009:40:180
13324993414,18cyclictest0-21swapper/012:30:110
93112334,10sleep30-21swapper/308:13:223
3632334,10sleep30-21swapper/309:08:323
308572335,10sleep00-21swapper/007:46:500
306092334,10sleep30-21swapper/309:02:343
283832334,10sleep00-21swapper/008:56:300
27122334,10sleep30-21swapper/307:56:473
198132335,10sleep10-21swapper/108:35:581
178012334,10sleep00-21swapper/008:32:210
1332799339,21cyclictest0-21swapper/310:50:563
13327993319,12cyclictest0-21swapper/312:20:133
13327993315,16cyclictest0-21swapper/310:25:253
13327993315,15cyclictest0-21swapper/311:45:383
13327993313,18cyclictest0-21swapper/309:45:293
13327993313,18cyclictest0-21swapper/309:26:223
13326993317,13cyclictest0-21swapper/211:41:102
13326993317,13cyclictest0-21swapper/211:41:092
13326993315,15cyclictest0-21swapper/212:01:562
13326993314,16cyclictest0-21swapper/212:05:152
13326993312,18cyclictest0-21swapper/211:45:122
13326993311,19cyclictest0-21swapper/212:10:322
13326993311,19cyclictest0-21swapper/211:55:582
13326993311,19cyclictest0-21swapper/211:18:452
13325993315,15cyclictest0-21swapper/112:21:301
13325993315,15cyclictest0-21swapper/111:51:471
13325993315,15cyclictest0-21swapper/111:10:291
13325993312,18cyclictest0-21swapper/110:43:501
1332499339,21cyclictest0-21swapper/011:40:050
1332499339,21cyclictest0-21swapper/011:40:050
13324993314,16cyclictest0-21swapper/010:50:220
13324993310,21cyclictest0-21swapper/008:38:220
13324993310,20cyclictest0-21swapper/009:45:170
13324993310,20cyclictest0-21swapper/009:35:170
3032325,10sleep10-21swapper/109:07:461
286112324,10sleep10-21swapper/107:40:371
1332799329,20cyclictest0-21swapper/309:21:123
1332799329,20cyclictest0-21swapper/309:21:123
13327993218,12cyclictest0-21swapper/311:37:583
13327993218,12cyclictest0-21swapper/311:37:573
13327993215,15cyclictest0-21swapper/310:11:143
13327993214,15cyclictest0-21swapper/312:10:243
13327993210,19cyclictest0-21swapper/311:15:173
1332699326,23cyclictest0-21swapper/212:15:062
13326993215,15cyclictest0-21swapper/209:10:192
13326993214,15cyclictest0-21swapper/210:22:362
13326993213,17cyclictest0-21swapper/211:00:292
13326993212,17cyclictest0-21swapper/210:30:292
13326993212,17cyclictest0-21swapper/210:30:282
1332599329,21cyclictest0-21swapper/108:20:161
1332599329,20cyclictest0-21swapper/110:10:151
13325993215,15cyclictest0-21swapper/110:33:101
13325993215,15cyclictest0-21swapper/110:33:101
13325993215,15cyclictest0-21swapper/109:15:161
13325993215,14cyclictest0-21swapper/110:55:261
13325993215,14cyclictest0-21swapper/107:10:161
1332499329,21cyclictest0-21swapper/009:05:080
1332499325,21cyclictest0-21swapper/007:35:370
1332499325,21cyclictest0-21swapper/007:21:230
13324993219,12cyclictest0-21swapper/007:55:340
13324993213,17cyclictest0-21swapper/009:20:280
13324993213,17cyclictest0-21swapper/009:20:270
13324993211,19cyclictest0-21swapper/012:35:340
13324993211,19cyclictest0-21swapper/011:18:460
13324993211,18cyclictest0-21swapper/009:55:260
1332799318,21cyclictest0-21swapper/307:41:153
13327993116,12cyclictest0-21swapper/312:08:113
13327993116,12cyclictest0-21swapper/310:04:213
13327993116,12cyclictest0-21swapper/310:04:213
13327993115,14cyclictest0-21swapper/310:17:163
13327993115,13cyclictest0-21swapper/311:00:353
13327993114,14cyclictest0-21swapper/311:05:363
13327993114,14cyclictest0-21swapper/311:05:353
13327993113,15cyclictest0-21swapper/309:45:023
13326993116,14cyclictest0-21swapper/208:00:222
13326993116,13cyclictest0-21swapper/212:35:232
13326993115,13cyclictest0-21swapper/209:55:212
13326993113,15cyclictest0-21swapper/210:50:292
13326993112,16cyclictest0-21swapper/211:30:042
13326993111,18cyclictest0-21swapper/209:10:022
13326993111,17cyclictest0-21swapper/210:25:162
13326993110,18cyclictest0-21swapper/211:35:252
13326993110,18cyclictest0-21swapper/211:35:252
13326993110,18cyclictest0-21swapper/209:35:022
1332599318,20cyclictest0-21swapper/109:45:191
1332599313,22cyclictest0-21swapper/107:24:581
13325993116,12cyclictest0-21swapper/109:34:121
13325993115,14cyclictest0-21swapper/109:53:121
13325993115,14cyclictest0-21swapper/109:53:111
13325993115,13cyclictest0-21swapper/111:30:291
13325993114,15cyclictest0-21swapper/110:45:181
13325993114,15cyclictest0-21swapper/109:10:171
13325993114,14cyclictest0-21swapper/111:35:131
13325993114,14cyclictest0-21swapper/111:35:131
13325993114,14cyclictest0-21swapper/110:20:151
13325993114,14cyclictest0-21swapper/109:55:181
13325993111,18cyclictest0-21swapper/108:40:181
1332499319,16cyclictest0-21swapper/008:23:530
1332499317,22cyclictest0-21swapper/007:34:010
1332499316,22cyclictest0-21swapper/010:35:220
1332499315,20cyclictest0-21swapper/009:03:530
1332499315,20cyclictest0-21swapper/007:40:270
1332499315,20cyclictest0-21swapper/007:16:230
1332499314,16cyclictest0-21swapper/007:14:210
13324993115,14cyclictest0-21swapper/012:05:340
13324993115,14cyclictest0-21swapper/009:25:300
13324993114,15cyclictest0-21swapper/011:49:560
13324993112,17cyclictest0-21swapper/011:05:330
13324993112,17cyclictest0-21swapper/011:05:330
13324993111,17cyclictest0-21swapper/010:05:010
13324993111,17cyclictest0-21swapper/010:05:000
13327993018,11cyclictest0-21swapper/308:55:453
13327993018,11cyclictest0-21swapper/308:15:453
13327993016,12cyclictest0-21swapper/310:21:343
13327993016,12cyclictest0-21swapper/310:05:243
13327993015,12cyclictest0-21swapper/311:10:083
13327993014,14cyclictest0-21swapper/312:00:173
13327993014,14cyclictest0-21swapper/311:25:123
13327993014,14cyclictest0-21swapper/309:30:143
13327993013,15cyclictest0-21swapper/309:50:273
13327993013,15cyclictest0-21swapper/309:50:263
13327993013,14cyclictest0-21swapper/311:40:153
13327993013,14cyclictest0-21swapper/311:40:143
1332699305,23cyclictest0-21swapper/207:10:122
13326993016,12cyclictest0-21swapper/209:40:132
13326993011,17cyclictest0-21swapper/210:55:372
13325993015,12cyclictest0-21swapper/110:15:311
13325993014,14cyclictest0-21swapper/110:05:341
13325993014,14cyclictest0-21swapper/109:00:211
13325993014,13cyclictest0-21swapper/111:40:111
13325993014,13cyclictest0-21swapper/111:40:111
13325993011,17cyclictest0-21swapper/111:05:201
13325993011,17cyclictest0-21swapper/111:05:201
13325993011,17cyclictest0-21swapper/110:35:121
13325993011,17cyclictest0-21swapper/108:50:231
1332499309,15cyclictest0-21swapper/008:00:050
1332499306,18cyclictest0-21swapper/007:25:060
1332799297,19cyclictest0-21swapper/310:30:173
1332799297,19cyclictest0-21swapper/310:30:173
1332799295,21cyclictest0-21swapper/311:30:193
13327992917,11cyclictest0-21swapper/307:45:353
13327992915,13cyclictest0-21swapper/308:30:353
13327992915,12cyclictest0-21swapper/312:25:353
13327992914,12cyclictest0-21swapper/311:50:183
13327992913,14cyclictest0-21swapper/311:55:123
13327992910,17cyclictest0-21swapper/308:05:173
1332699298,18cyclictest0-21swapper/210:15:292
1332699295,22cyclictest0-21swapper/208:20:042
1332699295,22cyclictest0-21swapper/208:12:052
1332699295,22cyclictest0-21swapper/208:09:552
1332699295,22cyclictest0-21swapper/207:56:242
13326992915,12cyclictest0-21swapper/209:45:272
13326992915,12cyclictest0-21swapper/209:25:332
13326992915,11cyclictest0-21swapper/211:14:022
13326992914,12cyclictest0-21swapper/210:00:232
13326992914,12cyclictest0-21swapper/210:00:222
13326992913,14cyclictest0-21swapper/212:25:262
13326992913,14cyclictest0-21swapper/209:30:242
1332599299,18cyclictest0-21swapper/108:00:211
1332599299,17cyclictest0-21swapper/110:50:161
1332599296,20cyclictest0-21swapper/111:55:161
1332599295,22cyclictest0-21swapper/108:26:191
1332599295,22cyclictest0-21swapper/108:26:191
1332599295,22cyclictest0-21swapper/108:16:381
1332599295,22cyclictest0-21swapper/107:33:191
1332599295,18cyclictest0-21swapper/108:31:231
1332599295,15cyclictest0-21swapper/107:47:471
1332599295,13cyclictest0-21swapper/108:11:111
1332599295,13cyclictest0-21swapper/107:37:361
13325992915,12cyclictest0-21swapper/111:28:311
13325992913,14cyclictest0-21swapper/109:40:181
1332499295,23cyclictest0-21swapper/008:54:100
1332499295,18cyclictest0-21swapper/008:19:320
1332499295,18cyclictest0-21swapper/007:50:060
13324992913,14cyclictest0-21swapper/010:20:280
13324992910,12cyclictest0-21swapper/010:25:130
1332799288,18cyclictest0-21swapper/307:10:073
1332799285,21cyclictest0-21swapper/307:36:163
1332799285,21cyclictest0-21swapper/307:33:263
1332799285,21cyclictest0-21swapper/307:26:163
13327992814,12cyclictest0-21swapper/310:45:123
13327992814,12cyclictest0-21swapper/310:35:333
13327992813,13cyclictest0-21swapper/309:10:363
13327992812,14cyclictest0-21swapper/309:15:163
1332699285,21cyclictest0-21swapper/209:00:032
1332699285,21cyclictest0-21swapper/208:45:342
1332599285,21cyclictest0-21swapper/108:05:151
1332599285,21cyclictest0-21swapper/107:51:581
13325992816,11cyclictest0-21swapper/108:45:291
13325992814,12cyclictest0-21swapper/112:00:131
13325992814,12cyclictest0-21swapper/109:35:241
13325992813,12cyclictest0-21swapper/111:20:361
13325992812,14cyclictest0-21swapper/107:55:181
13324992814,12cyclictest0-21swapper/010:45:020
13327992713,13cyclictest0-21swapper/308:46:243
1332699276,19cyclictest0-21swapper/211:20:242
1332699276,18cyclictest0-21swapper/211:05:152
1332699276,18cyclictest0-21swapper/211:05:152
1332699275,20cyclictest0-21swapper/207:50:452
1332699275,20cyclictest0-21swapper/207:43:002
1332599275,20cyclictest0-21swapper/107:26:091
1332599275,12cyclictest0-21swapper/107:16:371
13325992711,14cyclictest0-21swapper/109:25:251
13324992714,11cyclictest0-21swapper/009:50:220
13324992714,11cyclictest0-21swapper/009:50:210
13324992713,12cyclictest0-21swapper/010:15:070
152422263,4sleep115366-21expr12:15:161
1332799265,20cyclictest0-21swapper/307:17:353
1332799265,10cyclictest0-21swapper/308:40:053
13326992613,11cyclictest0-21swapper/209:20:262
13326992613,11cyclictest0-21swapper/209:20:262
13325992613,11cyclictest0-21swapper/111:00:161
13325992612,12cyclictest0-21swapper/111:15:331
13325992510,13cyclictest0-21swapper/112:35:131
1332699249,13cyclictest0-21swapper/212:20:192
1332599247,15cyclictest0-21swapper/112:10:031
1332799236,15cyclictest0-21swapper/312:30:183
1332599223,6cyclictest568-21stress11:45:111
1332599216,13cyclictest0-21swapper/110:25:111
1332599204,4cyclictest567-21stress09:23:031
1332599204,4cyclictest567-21stress09:23:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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