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2026-05-15 - 11:39
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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 376 highest latencies:
System rack7slot1.osadl.org (updated Fri May 15, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20260211451,58sleep10-21swapper/119:06:521
20177211053,20sleep30-21swapper/319:05:543
20508210850,20sleep00-21swapper/019:09:520
20159210650,50sleep20-21swapper/219:05:412
20621995032,15cyclictest0-21swapper/121:47:581
20621994932,15cyclictest0-21swapper/121:41:041
20621994831,15cyclictest0-21swapper/122:20:171
20621994831,15cyclictest0-21swapper/121:35:191
20621994830,16cyclictest0-21swapper/123:00:371
234792470,1sleep18632-21stress00:12:531
20621994731,14cyclictest0-21swapper/123:05:251
20621994731,14cyclictest0-21swapper/123:05:251
20621994731,14cyclictest0-21swapper/122:42:421
20621994730,15cyclictest0-21swapper/123:30:151
20621994730,15cyclictest0-21swapper/121:55:151
20621994730,15cyclictest0-21swapper/121:55:151
20621994730,15cyclictest0-21swapper/121:15:191
20621994729,16cyclictest0-21swapper/121:14:041
20621994729,16cyclictest0-21swapper/100:05:161
20621994729,15cyclictest0-21swapper/100:30:251
20621994727,17cyclictest0-21swapper/122:35:181
20621994630,14cyclictest0-21swapper/121:21:401
20621994629,15cyclictest0-21swapper/122:49:201
20621994629,14cyclictest0-21swapper/100:25:331
20621994529,14cyclictest0-21swapper/123:55:301
20621994529,14cyclictest0-21swapper/121:25:141
20621994528,14cyclictest0-21swapper/123:40:251
20621994430,12cyclictest0-21swapper/100:20:211
20621994427,15cyclictest0-21swapper/123:11:371
20621994427,15cyclictest0-21swapper/123:11:371
20621994425,17cyclictest0-21swapper/123:25:361
20621994328,13cyclictest0-21swapper/123:15:321
20621994328,13cyclictest0-21swapper/123:15:311
20621994327,14cyclictest0-21swapper/121:30:331
20621994326,15cyclictest0-21swapper/123:50:091
20621994326,15cyclictest0-21swapper/123:50:091
20621994326,15cyclictest0-21swapper/100:00:241
20621994325,16cyclictest0-21swapper/121:55:021
20621994228,12cyclictest0-21swapper/122:59:371
20621994228,12cyclictest0-21swapper/122:00:281
20622994127,12cyclictest0-21swapper/222:14:052
20621994125,14cyclictest0-21swapper/122:25:231
20622993911,25cyclictest0-21swapper/223:49:402
20622993911,25cyclictest0-21swapper/223:49:402
20622993911,25cyclictest0-21swapper/223:41:442
2062199399,22cyclictest0-21swapper/121:00:151
20621993923,14cyclictest0-21swapper/122:15:221
20621993923,14cyclictest0-21swapper/100:17:151
20621993921,16cyclictest0-21swapper/123:35:101
20621993918,19cyclictest0-21swapper/122:30:191
20621993917,19cyclictest0-21swapper/122:53:501
3225223810,11sleep30-21swapper/300:34:383
2062299389,26cyclictest0-21swapper/223:50:292
2062299389,26cyclictest0-21swapper/223:50:292
20622993815,20cyclictest0-21swapper/222:27:332
20622993815,20cyclictest0-21swapper/200:21:302
20622993811,24cyclictest0-21swapper/200:34:122
20622993810,25cyclictest0-21swapper/222:15:382
20621993826,10cyclictest0-21swapper/123:20:351
20621993812,16cyclictest0-21swapper/121:05:221
2062099386,21cyclictest0-21swapper/022:00:220
20622993714,20cyclictest0-21swapper/222:30:042
2062099379,22cyclictest0-21swapper/022:50:060
40192365,13sleep20-21swapper/220:57:492
255742365,13sleep20-21swapper/219:18:502
224502365,13sleep20-21swapper/219:11:272
20622993614,20cyclictest0-21swapper/222:05:342
20622993613,20cyclictest0-21swapper/223:05:312
20622993613,20cyclictest0-21swapper/223:05:302
20622993611,22cyclictest0-21swapper/221:52:112
20622993610,23cyclictest0-21swapper/223:29:412
151992365,13sleep30-21swapper/320:10:103
319792355,13sleep00-21swapper/020:46:480
319792355,13sleep00-21swapper/020:46:480
317902355,13sleep30-21swapper/319:30:413
298682355,13sleep20-21swapper/219:29:032
298032355,13sleep00-21swapper/019:28:130
2062399359,23cyclictest0-21swapper/323:28:413
2062399358,24cyclictest0-21swapper/323:36:033
2062399357,25cyclictest0-21swapper/300:27:183
20621993516,4cyclictest2276-21/usr/sbin/munin20:55:181
20621993514,19cyclictest0-21swapper/120:25:141
20621993512,21cyclictest0-21swapper/122:10:151
20620993512,20cyclictest0-21swapper/000:36:270
20620993512,20cyclictest0-21swapper/000:36:270
20620993511,21cyclictest0-21swapper/022:30:290
124002355,13sleep20-21swapper/220:00:312
59352345,13sleep20-21swapper/219:45:352
299702345,12sleep30-21swapper/320:44:153
254862345,13sleep20-21swapper/220:31:402
214412345,13sleep20-21swapper/220:25:012
212822345,13sleep30-21swapper/320:23:103
20623993411,21cyclictest0-21swapper/321:15:303
20623993411,20cyclictest0-21swapper/323:34:533
20623993411,20cyclictest0-21swapper/321:51:393
20623993410,21cyclictest0-21swapper/322:55:283
20623993410,21cyclictest0-21swapper/322:07:413
2062299349,22cyclictest0-21swapper/222:40:082
20622993416,16cyclictest0-21swapper/221:55:152
20622993416,16cyclictest0-21swapper/221:55:152
20622993414,14cyclictest0-21swapper/222:20:212
20622993412,20cyclictest0-21swapper/223:15:202
20622993412,20cyclictest0-21swapper/223:15:202
2062199349,22cyclictest0-21swapper/123:45:281
2062199349,22cyclictest0-21swapper/123:45:281
2062199349,13cyclictest0-21swapper/120:30:171
20621993411,20cyclictest0-21swapper/100:35:331
20621993411,20cyclictest0-21swapper/100:35:321
20621993410,14cyclictest0-21swapper/120:40:181
2062099349,15cyclictest0-21swapper/020:35:150
20620993410,18cyclictest0-21swapper/020:07:210
148532345,13sleep20-21swapper/220:09:222
277652335,13sleep00-21swapper/019:24:320
2062399336,24cyclictest0-21swapper/323:54:223
2062399336,24cyclictest0-21swapper/323:54:213
20623993317,13cyclictest0-21swapper/322:37:363
20623993315,15cyclictest0-21swapper/323:17:563
20623993315,15cyclictest0-21swapper/323:17:563
20623993312,18cyclictest0-21swapper/321:35:143
20622993314,17cyclictest0-21swapper/200:35:072
20622993314,17cyclictest0-21swapper/200:35:072
20622993311,19cyclictest0-21swapper/221:20:052
2062199338,23cyclictest0-21swapper/119:57:221
2062199338,23cyclictest0-21swapper/119:30:021
2062199338,23cyclictest0-21swapper/119:17:021
2062099335,23cyclictest0-21swapper/019:10:220
20620993316,15cyclictest0-21swapper/019:56:170
20620993315,16cyclictest0-21swapper/022:58:030
20620993311,16cyclictest0-21swapper/020:34:500
20620993310,17cyclictest0-21swapper/019:48:200
183282335,14sleep00-21swapper/020:15:210
16002335,13sleep30-21swapper/319:36:143
275522325,13sleep20-21swapper/220:35:482
255452325,13sleep30-21swapper/320:32:203
20623993212,17cyclictest0-21swapper/300:35:153
20623993212,17cyclictest0-21swapper/300:35:153
20623993211,18cyclictest0-21swapper/322:11:153
2062299328,17cyclictest0-21swapper/222:45:302
2062299325,17cyclictest0-21swapper/220:22:542
2062299325,16cyclictest0-21swapper/220:40:462
2062199328,22cyclictest0-21swapper/119:25:181
2062199328,16cyclictest0-21swapper/119:40:211
2062199328,14cyclictest0-21swapper/120:45:031
2062199328,14cyclictest0-21swapper/120:45:031
2062199328,14cyclictest0-21swapper/120:37:031
2062199328,13cyclictest0-21swapper/120:11:591
20620993216,14cyclictest0-21swapper/019:33:200
20620993215,15cyclictest0-21swapper/021:10:130
20620993211,18cyclictest0-21swapper/000:11:310
20620993211,17cyclictest0-21swapper/020:14:490
20620993210,19cyclictest0-21swapper/023:01:590
20620993210,17cyclictest0-21swapper/020:01:000
20620993210,16cyclictest0-21swapper/020:57:410
84682315,10sleep00-21swapper/021:09:020
20623993116,12cyclictest0-21swapper/323:47:153
20623993116,12cyclictest0-21swapper/323:47:153
20623993116,12cyclictest0-21swapper/322:16:543
20623993115,14cyclictest0-21swapper/323:20:073
20623993115,13cyclictest0-21swapper/322:32:153
20623993111,18cyclictest0-21swapper/321:55:323
20623993111,18cyclictest0-21swapper/321:55:323
2062299318,20cyclictest0-21swapper/200:00:152
2062299315,24cyclictest0-21swapper/220:53:452
2062299315,24cyclictest0-21swapper/220:53:452
2062299315,24cyclictest0-21swapper/219:51:152
2062299315,24cyclictest0-21swapper/219:23:152
20622993115,14cyclictest0-21swapper/222:55:112
20622993115,14cyclictest0-21swapper/222:50:322
20622993115,13cyclictest0-21swapper/223:30:172
20622993114,15cyclictest0-21swapper/223:00:322
20622993114,15cyclictest0-21swapper/221:40:212
20622993113,11cyclictest0-21swapper/200:10:112
20622993110,19cyclictest0-21swapper/222:40:002
2062199318,21cyclictest0-21swapper/119:45:121
2062199318,16cyclictest0-21swapper/120:20:051
2062099319,16cyclictest0-21swapper/020:50:060
2062099319,16cyclictest0-21swapper/020:50:060
20620993116,12cyclictest0-21swapper/000:20:570
20620993115,13cyclictest0-21swapper/022:10:180
20620993114,15cyclictest0-21swapper/000:30:340
20620993111,18cyclictest0-21swapper/020:41:580
20620993111,18cyclictest0-21swapper/019:39:200
20620993111,17cyclictest0-21swapper/023:21:030
20620993111,15cyclictest0-21swapper/020:26:490
20620993110,19cyclictest0-21swapper/022:40:260
20620993110,19cyclictest0-21swapper/022:25:150
20620993110,16cyclictest0-21swapper/019:15:060
20620993110,15cyclictest0-21swapper/020:21:200
20620993110,15cyclictest0-21swapper/019:41:140
191852314,10sleep30-21swapper/320:19:063
2062399309,18cyclictest0-21swapper/322:25:303
2062399309,18cyclictest0-21swapper/321:33:303
20623993014,14cyclictest0-21swapper/300:25:023
20623993013,14cyclictest0-21swapper/323:40:153
20623993013,14cyclictest0-21swapper/321:45:203
20623993013,14cyclictest0-21swapper/321:25:273
20623993010,17cyclictest0-21swapper/321:10:193
20623993010,17cyclictest0-21swapper/300:05:013
2062299306,18cyclictest0-21swapper/219:55:592
2062299305,18cyclictest0-21swapper/219:31:252
20622993016,12cyclictest0-21swapper/222:00:252
20622993015,14cyclictest0-21swapper/220:15:262
20622993014,14cyclictest0-21swapper/200:05:372
20622993011,17cyclictest0-21swapper/200:30:002
2062199309,19cyclictest0-21swapper/119:35:121
2062199306,14cyclictest0-21swapper/120:00:081
2062199305,23cyclictest0-21swapper/119:11:421
20621993016,13cyclictest0-21swapper/120:54:411
20621993016,13cyclictest0-21swapper/120:54:411
20621993016,13cyclictest0-21swapper/119:20:121
2062099307,20cyclictest0-21swapper/023:25:130
20620993016,12cyclictest0-21swapper/019:50:470
20620993015,13cyclictest0-21swapper/023:30:240
20620993015,12cyclictest0-21swapper/021:50:090
20620993014,14cyclictest0-21swapper/023:50:230
20620993014,14cyclictest0-21swapper/023:50:230
20620993010,15cyclictest0-21swapper/021:01:210
2062399299,17cyclictest0-21swapper/323:10:023
2062399299,17cyclictest0-21swapper/323:10:023
2062399295,22cyclictest0-21swapper/323:04:343
2062399295,21cyclictest0-21swapper/322:40:233
2062399295,21cyclictest0-21swapper/319:20:183
20623992915,12cyclictest0-21swapper/323:10:113
20623992915,12cyclictest0-21swapper/323:10:113
20623992915,12cyclictest0-21swapper/322:50:223
20623992914,12cyclictest0-21swapper/300:05:183
20623992913,14cyclictest0-21swapper/323:59:573
2062299295,22cyclictest0-21swapper/221:07:152
2062299295,22cyclictest0-21swapper/219:35:052
20622992915,12cyclictest0-21swapper/221:45:172
20622992913,14cyclictest0-21swapper/223:55:152
2062199299,18cyclictest0-21swapper/120:15:151
2062199299,18cyclictest0-21swapper/120:05:141
2062199299,18cyclictest0-21swapper/119:50:151
20621992912,9cyclictest147-21usb-storage22:05:161
2062099299,18cyclictest0-21swapper/000:00:140
20620992915,12cyclictest0-21swapper/023:40:340
20620992915,12cyclictest0-21swapper/022:47:430
20620992915,12cyclictest0-21swapper/021:20:160
20620992911,16cyclictest0-21swapper/021:15:370
2062399285,22cyclictest0-21swapper/320:00:013
2062399285,21cyclictest0-21swapper/321:05:253
2062399285,21cyclictest0-21swapper/321:01:013
2062399285,21cyclictest0-21swapper/320:55:513
2062399285,21cyclictest0-21swapper/320:54:513
2062399285,21cyclictest0-21swapper/320:54:513
2062399285,21cyclictest0-21swapper/320:35:113
2062399285,21cyclictest0-21swapper/319:52:113
2062399285,21cyclictest0-21swapper/319:45:413
2062399285,21cyclictest0-21swapper/319:25:163
20623992816,11cyclictest0-21swapper/320:05:113
20623992814,13cyclictest0-21swapper/319:15:183
20623992814,12cyclictest0-21swapper/321:40:123
2062299285,21cyclictest0-21swapper/220:46:252
2062299285,21cyclictest0-21swapper/220:46:252
20622992817,10cyclictest0-21swapper/220:11:252
20622992816,11cyclictest0-21swapper/221:00:052
20622992816,11cyclictest0-21swapper/219:40:552
20622992813,13cyclictest0-21swapper/221:15:382
2062099289,17cyclictest0-21swapper/023:35:160
2062099285,18cyclictest0-21swapper/022:20:220
20620992815,11cyclictest0-21swapper/021:38:140
20620992814,12cyclictest0-21swapper/023:12:430
20620992814,12cyclictest0-21swapper/023:12:430
20620992814,12cyclictest0-21swapper/000:25:180
20620992813,12cyclictest0-21swapper/021:27:570
20620992812,13cyclictest0-21swapper/000:16:090
20620992810,16cyclictest0-21swapper/023:55:100
20620992810,15cyclictest0-21swapper/022:05:160
2062399275,20cyclictest0-21swapper/320:49:413
2062399275,20cyclictest0-21swapper/320:49:413
2062399275,20cyclictest0-21swapper/319:40:253
20623992716,10cyclictest0-21swapper/319:10:453
20623992715,11cyclictest0-21swapper/319:55:023
20623992713,12cyclictest0-21swapper/300:10:193
20623992713,11cyclictest0-21swapper/322:00:083
20622992714,11cyclictest0-21swapper/221:25:142
2062099275,16cyclictest0-21swapper/021:40:310
20620992713,12cyclictest0-21swapper/023:05:140
20620992713,12cyclictest0-21swapper/023:05:140
20620992713,12cyclictest0-21swapper/022:15:200
20620992713,12cyclictest0-21swapper/021:55:300
20620992713,12cyclictest0-21swapper/021:55:290
2062399265,19cyclictest0-21swapper/320:28:113
2062299268,16cyclictest0-21swapper/223:35:182
20622992611,13cyclictest0-21swapper/223:15:022
20623992512,11cyclictest0-21swapper/322:20:143
2062299257,16cyclictest0-21swapper/223:15:002
2062099256,17cyclictest0-21swapper/023:15:330
2062099256,17cyclictest0-21swapper/023:15:330
2062299243,8cyclictest8631-21stress21:38:182
2062299238,13cyclictest0-21swapper/223:20:352
2062299235,16cyclictest0-21swapper/221:30:202
2062399227,13cyclictest0-21swapper/322:45:303
2062299227,13cyclictest0-21swapper/221:10:162
2062299223,4cyclictest8633-21stress00:15:282
2062099223,6cyclictest8633-21stress00:05:270
2062099223,6cyclictest11708-21if_eth323:45:230
2062099223,6cyclictest11708-21if_eth323:45:230
2062099223,11cyclictest8633-21stress21:45:500
147422223,3sleep08633-21stress22:36:450
2062399213,16cyclictest23924-21/usr/sbin/munin00:15:213
2062099217,12cyclictest0-21swapper/021:30:020
2062399193,14cyclictest14183-21ps21:20:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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