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2026-08-09 - 01:44
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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 Aug 08, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3078211957,56sleep30-21swapper/307:08:183
2881211956,58sleep10-21swapper/107:06:081
2857211653,58sleep00-21swapper/007:05:500
3181211351,20sleep20-21swapper/207:09:262
266472630,1sleep124836-21stress09:10:461
196222510,1sleep124836-21stress11:25:001
3344994415,20cyclictest0-21swapper/112:36:391
334499438,25cyclictest0-21swapper/112:30:211
3344994210,22cyclictest0-21swapper/109:57:511
3345994110,28cyclictest0-21swapper/210:05:182
334499419,20cyclictest0-21swapper/109:20:241
3344994123,16cyclictest0-21swapper/111:00:241
3344994123,16cyclictest0-21swapper/111:00:241
334399409,25cyclictest0-21swapper/008:14:140
3343994014,12cyclictest0-21swapper/012:04:380
3343994014,12cyclictest0-21swapper/012:04:380
3345993914,22cyclictest0-21swapper/210:24:202
334499393,27cyclictest0-21swapper/111:06:381
3344993920,16cyclictest0-21swapper/111:26:431
3344993920,16cyclictest0-21swapper/111:26:431
82382385,13sleep20-21swapper/207:16:482
3345993818,18cyclictest0-21swapper/210:45:212
3345993817,18cyclictest0-21swapper/212:21:432
334499389,20cyclictest0-21swapper/111:15:211
334499386,22cyclictest0-21swapper/109:52:041
3344993821,15cyclictest0-21swapper/111:10:131
3344993820,16cyclictest0-21swapper/112:06:551
3344993820,16cyclictest0-21swapper/112:06:551
3344993819,16cyclictest0-21swapper/110:55:261
3344993819,16cyclictest0-21swapper/110:55:261
3343993815,20cyclictest0-21swapper/012:05:130
3343993815,20cyclictest0-21swapper/012:05:130
3343993811,10cyclictest0-21swapper/012:10:150
3343993810,22cyclictest0-21swapper/007:51:110
259162385,15sleep20-21swapper/211:36:132
46702375,12sleep20-21swapper/208:22:162
3345993714,20cyclictest0-21swapper/211:31:392
3345993714,20cyclictest0-21swapper/209:55:212
3345993710,24cyclictest0-21swapper/212:35:352
334499378,20cyclictest0-21swapper/110:15:211
334499378,20cyclictest0-21swapper/110:15:211
3344993720,15cyclictest0-21swapper/110:46:121
3344993719,16cyclictest0-21swapper/112:13:241
3343993710,21cyclictest0-21swapper/007:42:130
283072375,13sleep20-21swapper/208:04:522
259432378,10sleep30-21swapper/307:57:353
150472374,13sleep30-21swapper/307:34:173
127282378,10sleep30-21swapper/307:28:003
115012375,13sleep20-21swapper/208:39:532
90582365,13sleep00-21swapper/008:31:360
83302365,13sleep00-21swapper/007:17:460
69532364,13sleep30-21swapper/308:27:473
334599369,24cyclictest0-21swapper/209:45:302
3345993611,23cyclictest0-21swapper/208:50:222
3345993611,22cyclictest0-21swapper/209:35:022
3345993610,24cyclictest0-21swapper/208:30:232
3345993610,23cyclictest0-21swapper/211:25:162
3345993610,23cyclictest0-21swapper/211:25:162
3344993619,15cyclictest0-21swapper/112:20:161
3344993619,15cyclictest0-21swapper/110:15:021
3344993619,15cyclictest0-21swapper/109:40:281
3344993619,15cyclictest0-21swapper/109:40:271
3344993619,14cyclictest0-21swapper/111:35:171
3344993619,14cyclictest0-21swapper/109:28:111
3344993618,16cyclictest0-21swapper/109:35:231
334399369,21cyclictest0-21swapper/008:50:500
334399369,21cyclictest0-21swapper/008:05:040
334399368,23cyclictest0-21swapper/008:00:120
334399368,23cyclictest0-21swapper/007:32:420
334399368,22cyclictest0-21swapper/009:00:110
334399366,27cyclictest0-21swapper/011:09:440
3343993614,19cyclictest0-21swapper/012:25:260
3343993611,12cyclictest0-21swapper/010:10:260
3343993610,21cyclictest0-21swapper/009:05:500
3343993610,21cyclictest0-21swapper/009:05:500
3343993610,20cyclictest0-21swapper/008:20:280
326222365,12sleep30-21swapper/308:12:473
302632365,12sleep30-21swapper/308:06:293
136412365,12sleep20-21swapper/208:44:142
114852364,13sleep30-21swapper/308:39:423
35612354,13sleep20-21swapper/207:10:062
3345993514,19cyclictest0-21swapper/209:25:242
3345993510,23cyclictest0-21swapper/211:05:262
3344993521,12cyclictest0-21swapper/110:35:301
3344993518,15cyclictest0-21swapper/112:00:151
3344993518,15cyclictest0-21swapper/112:00:151
3344993517,15cyclictest0-21swapper/111:30:151
334399358,21cyclictest0-21swapper/007:20:510
334399356,20cyclictest0-21swapper/009:12:320
334399356,13cyclictest0-21swapper/011:51:530
3343993513,19cyclictest0-21swapper/010:04:560
3343993512,20cyclictest0-21swapper/009:45:310
3343993510,19cyclictest0-21swapper/009:32:140
237472354,13sleep20-21swapper/207:52:572
228152354,12sleep30-21swapper/309:05:123
228152354,12sleep30-21swapper/309:05:123
201712355,10sleep20-21swapper/208:58:052
192792354,12sleep20-21swapper/207:41:542
136952354,13sleep00-21swapper/008:44:520
113572355,12sleep00-21swapper/008:38:140
106672354,12sleep30-21swapper/307:24:273
52192345,13sleep00-21swapper/007:11:370
334599349,23cyclictest0-21swapper/208:10:252
334599347,25cyclictest0-21swapper/211:45:142
3345993411,21cyclictest0-21swapper/209:05:232
3345993411,21cyclictest0-21swapper/209:05:232
3345993411,21cyclictest0-21swapper/207:25:212
3345993410,22cyclictest0-21swapper/208:45:122
334499348,24cyclictest0-21swapper/107:40:101
334499348,24cyclictest0-21swapper/107:24:501
334499345,23cyclictest0-21swapper/107:26:251
3344993419,13cyclictest0-21swapper/110:50:361
3344993419,13cyclictest0-21swapper/110:50:351
3344993418,14cyclictest0-21swapper/112:15:311
3344993418,14cyclictest0-21swapper/111:50:191
3344993418,14cyclictest0-21swapper/110:40:151
3344993418,14cyclictest0-21swapper/110:20:341
3344993411,21cyclictest0-21swapper/110:00:091
334399349,19cyclictest0-21swapper/011:15:330
334399348,20cyclictest0-21swapper/007:47:430
334399346,13cyclictest0-21swapper/009:35:270
334399344,23cyclictest0-21swapper/009:55:320
3343993414,17cyclictest0-21swapper/012:22:270
3343993414,17cyclictest0-21swapper/009:20:320
3343993413,18cyclictest0-21swapper/011:32:550
3343993410,18cyclictest0-21swapper/007:55:340
23872343,12sleep20-21swapper/208:17:232
23452343,12sleep00-21swapper/008:16:570
225322345,13sleep20-21swapper/209:04:542
200332345,10sleep30-21swapper/308:56:223
128122343,13sleep00-21swapper/007:29:010
106332345,10sleep20-21swapper/207:24:022
3346993315,15cyclictest0-21swapper/312:30:343
3346993310,20cyclictest0-21swapper/311:45:253
3345993312,19cyclictest0-21swapper/211:55:362
3345993311,20cyclictest0-21swapper/207:45:102
3345993310,21cyclictest0-21swapper/207:30:242
334499338,23cyclictest0-21swapper/108:20:501
3344993319,12cyclictest0-21swapper/110:25:361
3344993317,14cyclictest0-21swapper/111:55:161
3344993316,15cyclictest0-21swapper/110:05:331
3344993311,19cyclictest0-21swapper/109:32:211
334399335,22cyclictest0-21swapper/008:27:150
3343993316,15cyclictest0-21swapper/007:35:300
3343993316,15cyclictest0-21swapper/007:35:300
3343993314,17cyclictest0-21swapper/010:55:320
3343993314,17cyclictest0-21swapper/010:55:320
3343993314,16cyclictest0-21swapper/011:13:530
3343993314,16cyclictest0-21swapper/009:53:350
3343993313,18cyclictest0-21swapper/010:20:260
3343993313,17cyclictest0-21swapper/011:00:130
3343993313,17cyclictest0-21swapper/011:00:130
3343993313,17cyclictest0-21swapper/009:40:580
3343993313,17cyclictest0-21swapper/009:40:580
3343993311,16cyclictest0-21swapper/008:48:160
3346993215,15cyclictest0-21swapper/311:39:293
3346993215,14cyclictest0-21swapper/310:30:513
3346993215,14cyclictest0-21swapper/309:15:513
3346993214,15cyclictest0-21swapper/311:40:113
3346993214,15cyclictest0-21swapper/310:41:293
334599325,24cyclictest0-21swapper/209:35:132
3345993216,14cyclictest0-21swapper/210:50:172
3345993216,14cyclictest0-21swapper/210:50:172
3345993213,17cyclictest0-21swapper/211:13:572
3345993213,16cyclictest0-21swapper/209:42:372
3345993213,16cyclictest0-21swapper/209:42:372
3345993210,19cyclictest0-21swapper/212:15:352
334499328,13cyclictest0-21swapper/108:33:001
334499327,15cyclictest24851-21latency_hist09:10:001
334499327,15cyclictest24851-21latency_hist09:10:001
3344993218,13cyclictest0-21swapper/108:55:501
3344993218,13cyclictest0-21swapper/107:19:501
3344993218,13cyclictest0-21swapper/107:11:501
3344993212,17cyclictest0-21swapper/109:50:021
334399329,21cyclictest0-21swapper/010:30:170
334399326,16cyclictest0-21swapper/011:25:000
334399325,24cyclictest0-21swapper/010:45:270
3343993215,15cyclictest0-21swapper/010:06:450
3343993214,16cyclictest0-21swapper/010:50:190
3343993214,16cyclictest0-21swapper/010:50:190
3343993213,17cyclictest0-21swapper/011:45:170
3346993114,15cyclictest0-21swapper/312:00:173
3346993114,15cyclictest0-21swapper/312:00:173
3346993111,17cyclictest0-21swapper/311:31:173
334599318,20cyclictest0-21swapper/212:25:312
334599316,22cyclictest0-21swapper/210:10:202
334599315,24cyclictest0-21swapper/208:30:012
3345993114,15cyclictest0-21swapper/209:20:132
3345993113,16cyclictest0-21swapper/211:40:382
3345993113,16cyclictest0-21swapper/211:20:172
3345993112,16cyclictest0-21swapper/212:00:072
3345993112,16cyclictest0-21swapper/212:00:072
3345993110,18cyclictest0-21swapper/210:00:102
334499316,19cyclictest0-21swapper/107:55:191
334499315,24cyclictest0-21swapper/108:37:101
334499315,19cyclictest0-21swapper/108:45:161
334499315,19cyclictest0-21swapper/108:40:011
334499315,19cyclictest0-21swapper/108:05:241
334499315,19cyclictest0-21swapper/107:40:011
334499315,19cyclictest0-21swapper/107:40:011
3344993117,12cyclictest0-21swapper/109:15:231
3344993113,15cyclictest0-21swapper/111:45:311
3344993110,16cyclictest0-21swapper/107:50:181
3343993115,14cyclictest0-21swapper/009:26:440
3343993114,15cyclictest0-21swapper/011:25:190
3343993114,15cyclictest0-21swapper/011:25:190
3343993113,15cyclictest0-21swapper/011:35:180
3343993113,15cyclictest0-21swapper/009:15:250
3343993112,16cyclictest0-21swapper/010:25:580
3343993112,16cyclictest0-21swapper/010:15:260
3343993112,16cyclictest0-21swapper/010:15:260
3343993111,17cyclictest0-21swapper/012:30:070
3346993014,13cyclictest0-21swapper/309:35:243
3346993013,15cyclictest0-21swapper/310:19:033
3346993013,15cyclictest0-21swapper/310:19:033
3346993010,17cyclictest0-21swapper/310:45:243
3346993010,17cyclictest0-21swapper/309:20:063
334599307,21cyclictest0-21swapper/211:15:092
334599307,21cyclictest0-21swapper/209:20:012
334599306,21cyclictest0-21swapper/211:00:232
334599306,21cyclictest0-21swapper/211:00:232
3345993015,13cyclictest0-21swapper/210:30:202
3345993011,17cyclictest0-21swapper/210:25:132
3345993010,17cyclictest0-21swapper/212:34:212
334499308,21cyclictest0-21swapper/108:12:111
334499307,17cyclictest0-21swapper/108:04:101
334499306,18cyclictest0-21swapper/108:50:161
334499305,23cyclictest0-21swapper/108:15:101
334499305,18cyclictest0-21swapper/109:00:141
334499305,18cyclictest0-21swapper/107:45:151
334399305,22cyclictest0-21swapper/010:35:190
334399305,20cyclictest0-21swapper/008:55:060
3343993015,12cyclictest0-21swapper/012:35:340
3343993014,14cyclictest0-21swapper/010:44:290
334699297,19cyclictest0-21swapper/310:59:433
334699297,19cyclictest0-21swapper/310:59:433
3346992915,13cyclictest0-21swapper/307:20:003
3346992915,12cyclictest0-21swapper/311:15:173
3346992915,12cyclictest0-21swapper/309:45:033
3346992914,13cyclictest0-21swapper/311:50:243
3346992914,13cyclictest0-21swapper/310:35:263
3346992913,14cyclictest0-21swapper/312:20:153
334599299,17cyclictest0-21swapper/212:10:332
334599299,17cyclictest0-21swapper/212:05:142
334599299,17cyclictest0-21swapper/212:05:142
334599298,19cyclictest0-21swapper/211:50:132
334599295,22cyclictest0-21swapper/208:05:442
3345992915,12cyclictest0-21swapper/210:35:342
3345992915,12cyclictest0-21swapper/209:54:542
3345992914,13cyclictest0-21swapper/209:10:192
3345992912,15cyclictest0-21swapper/207:55:152
3345992910,16cyclictest0-21swapper/210:55:162
3345992910,16cyclictest0-21swapper/210:55:162
334499297,19cyclictest0-21swapper/110:30:201
334499295,18cyclictest0-21swapper/108:25:231
334499295,16cyclictest0-21swapper/107:31:511
3343992913,14cyclictest0-21swapper/012:18:420
334699286,20cyclictest0-21swapper/309:30:263
334699285,21cyclictest0-21swapper/308:44:003
334699285,21cyclictest0-21swapper/308:17:503
334699285,21cyclictest0-21swapper/308:01:403
334699285,21cyclictest0-21swapper/307:42:003
3346992816,11cyclictest0-21swapper/308:50:103
3346992814,12cyclictest0-21swapper/311:25:333
3346992814,12cyclictest0-21swapper/311:25:333
3346992814,12cyclictest0-21swapper/311:00:173
3346992814,12cyclictest0-21swapper/311:00:173
3346992814,12cyclictest0-21swapper/310:20:283
3346992813,13cyclictest0-21swapper/310:50:273
3346992813,13cyclictest0-21swapper/310:50:273
3346992813,12cyclictest0-21swapper/311:15:023
3346992812,14cyclictest0-21swapper/312:35:373
3346992812,14cyclictest0-21swapper/309:10:173
3346992811,15cyclictest0-21swapper/312:15:333
334599289,17cyclictest0-21swapper/207:35:122
334599289,17cyclictest0-21swapper/207:35:122
3345992812,14cyclictest0-21swapper/210:15:332
3345992812,14cyclictest0-21swapper/210:15:332
334399284,10cyclictest26531-21/usr/sbin/munin11:40:110
334699275,21cyclictest0-21swapper/307:36:403
334699275,21cyclictest0-21swapper/307:36:403
334699275,21cyclictest0-21swapper/307:10:103
334699275,20cyclictest0-21swapper/312:25:173
334699275,20cyclictest0-21swapper/308:45:143
334699275,20cyclictest0-21swapper/308:33:403
3346992715,11cyclictest0-21swapper/307:50:503
3346992713,12cyclictest0-21swapper/312:06:583
3346992713,12cyclictest0-21swapper/312:06:583
3346992713,12cyclictest0-21swapper/311:55:183
3346992713,12cyclictest0-21swapper/310:25:263
3346992713,12cyclictest0-21swapper/309:40:213
3346992713,12cyclictest0-21swapper/309:40:213
3345992710,15cyclictest0-21swapper/210:40:122
334699266,17cyclictest0-21swapper/312:10:233
334699265,19cyclictest0-21swapper/308:20:393
3346992610,15cyclictest0-21swapper/309:00:203
3346992610,15cyclictest0-21swapper/307:48:093
334399266,6cyclictest0-21swapper/011:55:110
334699256,16cyclictest0-21swapper/309:25:313
3346992512,11cyclictest0-21swapper/310:05:173
3346992510,13cyclictest0-21swapper/311:05:173
334699247,14cyclictest0-21swapper/310:10:363
334699246,16cyclictest0-21swapper/311:20:243
334699246,16cyclictest0-21swapper/309:55:123
334499248,14cyclictest0-21swapper/112:25:361
334499243,6cyclictest28541-21cat11:45:011
334699229,11cyclictest0-21swapper/309:55:013
334699225,15cyclictest0-21swapper/310:00:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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