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2026-05-12 - 04:48
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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 Tue May 12, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32066210346,51sleep30-21swapper/319:09:233
3183329945,49sleep00-21swapper/019:06:430
3189229252,35sleep20-21swapper/219:07:252
3174728355,23sleep10-21swapper/119:05:391
71022750,1sleep320135-21stress21:54:003
71022750,1sleep320135-21stress21:54:003
285992700,1sleep320137-21stress22:44:103
285992700,1sleep320137-21stress22:44:093
219172620,1sleep320135-21stress21:10:413
219172620,1sleep320135-21stress21:10:413
3072440,1sleep020137-21stress22:51:430
32224994226,14cyclictest0-21swapper/300:08:213
32224994126,13cyclictest0-21swapper/323:39:413
32224994126,13cyclictest0-21swapper/323:39:413
32224994126,13cyclictest0-21swapper/300:25:233
32220994112,26cyclictest0-21swapper/021:48:370
32224994024,14cyclictest0-21swapper/323:56:093
32224994024,14cyclictest0-21swapper/323:56:083
3222299406,16cyclictest0-21swapper/123:15:331
32224993924,13cyclictest0-21swapper/323:51:483
32224993924,13cyclictest0-21swapper/321:35:183
32224993924,13cyclictest0-21swapper/300:20:363
3222499388,27cyclictest0-21swapper/323:20:573
3222299389,26cyclictest0-21swapper/123:02:031
3222299386,29cyclictest0-21swapper/122:10:231
3222099389,26cyclictest0-21swapper/021:55:160
32220993812,20cyclictest0-21swapper/021:05:390
32220993811,24cyclictest0-21swapper/023:02:320
46422375,13sleep20-21swapper/219:16:552
3732375,13sleep10-21swapper/120:22:511
32224993720,15cyclictest0-21swapper/322:15:153
3222399377,27cyclictest0-21swapper/221:40:182
3222299377,27cyclictest0-21swapper/123:05:031
32220993712,19cyclictest0-21swapper/019:50:440
135642375,13sleep00-21swapper/020:54:380
3222499367,27cyclictest0-21swapper/322:00:173
3222499367,26cyclictest0-21swapper/321:20:283
3222499366,27cyclictest0-21swapper/321:55:243
32224993616,17cyclictest0-21swapper/323:45:313
3222099365,24cyclictest0-21swapper/020:56:420
3222099365,24cyclictest0-21swapper/020:45:410
32220993614,12cyclictest0-21swapper/019:10:220
175812365,12sleep00-21swapper/019:46:280
3222499359,23cyclictest0-21swapper/323:15:213
3222499359,23cyclictest0-21swapper/300:35:493
3222499359,23cyclictest0-21swapper/300:30:343
3222499357,26cyclictest0-21swapper/322:50:353
32224993526,7cyclictest29911-21ntp_offset22:45:273
32224993523,10cyclictest0-21swapper/321:40:373
32224993521,12cyclictest0-21swapper/300:12:213
32223993516,16cyclictest0-21swapper/200:35:352
32222993512,21cyclictest0-21swapper/122:16:241
3222099355,24cyclictest0-21swapper/019:57:540
32220993515,18cyclictest0-21swapper/023:44:070
32220993514,19cyclictest0-21swapper/023:09:030
32220993513,20cyclictest0-21swapper/021:10:040
32220993513,20cyclictest0-21swapper/021:10:040
32220993513,19cyclictest0-21swapper/021:38:010
32220993512,20cyclictest0-21swapper/023:55:210
32220993512,20cyclictest0-21swapper/023:55:210
32220993512,20cyclictest0-21swapper/023:30:060
32220993512,20cyclictest0-21swapper/022:10:180
32220993510,22cyclictest0-21swapper/022:49:590
284342355,10sleep00-21swapper/020:12:440
155872355,12sleep00-21swapper/019:43:450
5142345,12sleep00-21swapper/020:24:350
3222499348,23cyclictest0-21swapper/323:00:173
3222499348,23cyclictest0-21swapper/323:00:013
3222499347,25cyclictest0-21swapper/300:00:163
3222499344,27cyclictest0-21swapper/321:15:293
32224993424,8cyclictest20137-21stress21:25:293
32224993420,12cyclictest0-21swapper/321:30:163
3222399349,22cyclictest0-21swapper/222:11:052
32223993416,16cyclictest0-21swapper/222:28:422
32223993416,16cyclictest0-21swapper/222:28:412
32223993416,16cyclictest0-21swapper/200:15:152
32223993416,16cyclictest0-21swapper/200:15:142
32223993415,17cyclictest0-21swapper/222:30:152
32223993415,17cyclictest0-21swapper/222:30:142
32222993415,16cyclictest0-21swapper/122:07:181
32222993414,17cyclictest0-21swapper/123:27:321
32222993411,21cyclictest0-21swapper/122:27:181
32222993411,21cyclictest0-21swapper/122:27:181
3222099345,23cyclictest0-21swapper/020:25:260
3222099345,23cyclictest0-21swapper/020:25:260
3222099345,22cyclictest0-21swapper/020:05:480
32220993415,17cyclictest0-21swapper/023:10:060
32220993411,20cyclictest0-21swapper/023:30:020
32220993411,20cyclictest0-21swapper/021:40:310
32220993410,21cyclictest0-21swapper/021:30:230
95712335,10sleep10-21swapper/120:45:091
3222499338,22cyclictest0-21swapper/322:35:123
3222499337,24cyclictest0-21swapper/320:56:243
3222499336,25cyclictest0-21swapper/322:20:173
3222499335,26cyclictest0-21swapper/323:05:293
32224993318,12cyclictest0-21swapper/323:26:223
3222399334,26cyclictest0-21swapper/221:37:592
32223993316,15cyclictest0-21swapper/221:20:062
32223993315,15cyclictest0-21swapper/200:13:002
32223993312,18cyclictest0-21swapper/221:31:552
32222993312,18cyclictest0-21swapper/100:30:301
3222099339,18cyclictest0-21swapper/019:25:580
3222099335,22cyclictest0-21swapper/020:30:060
3222099335,21cyclictest0-21swapper/020:40:030
32220993315,15cyclictest0-21swapper/022:10:010
32220993315,15cyclictest0-21swapper/021:15:120
32220993311,19cyclictest0-21swapper/021:25:340
32220993310,21cyclictest0-21swapper/000:30:180
32220993310,18cyclictest0-21swapper/020:15:050
177912335,10sleep20-21swapper/221:03:182
134362335,13sleep00-21swapper/019:38:510
3222499329,20cyclictest0-21swapper/300:15:213
3222499329,20cyclictest0-21swapper/300:15:213
3222499328,21cyclictest0-21swapper/323:40:233
3222499327,23cyclictest0-21swapper/320:45:493
3222499326,24cyclictest0-21swapper/323:32:113
3222499326,24cyclictest0-21swapper/322:05:153
3222499326,23cyclictest0-21swapper/323:11:373
3222499325,25cyclictest0-21swapper/322:30:343
3222499325,25cyclictest0-21swapper/322:30:343
3222399325,19cyclictest0-21swapper/220:45:202
3222399325,19cyclictest0-21swapper/219:40:362
32223993216,13cyclictest0-21swapper/222:50:182
32223993213,16cyclictest0-21swapper/222:40:242
32223993213,16cyclictest0-21swapper/222:40:242
32223993212,18cyclictest0-21swapper/222:15:482
3222299327,22cyclictest0-21swapper/121:20:121
3222299326,23cyclictest0-21swapper/123:20:101
3222299326,23cyclictest0-21swapper/122:50:081
3222299326,23cyclictest0-21swapper/100:29:031
3222299325,25cyclictest0-21swapper/121:02:141
3222299325,25cyclictest0-21swapper/119:11:551
3222299325,16cyclictest0-21swapper/121:07:571
32222993216,14cyclictest0-21swapper/121:46:031
32222993216,14cyclictest0-21swapper/119:17:151
32222993214,15cyclictest0-21swapper/122:57:481
3222099325,21cyclictest0-21swapper/021:00:060
3222099324,22cyclictest0-21swapper/020:35:060
3222099324,22cyclictest0-21swapper/020:02:240
32220993215,15cyclictest0-21swapper/023:45:270
32220993215,15cyclictest0-21swapper/022:15:060
32220993214,15cyclictest0-21swapper/022:35:280
32220993211,18cyclictest0-21swapper/022:20:240
32220993211,16cyclictest0-21swapper/019:20:260
29702325,10sleep00-21swapper/019:15:060
242852325,13sleep10-21swapper/120:04:301
197942325,10sleep10-21swapper/119:52:281
19062325,10sleep20-21swapper/219:14:472
175462325,10sleep10-21swapper/119:46:021
3222499318,21cyclictest0-21swapper/320:31:293
3222499318,21cyclictest0-21swapper/320:00:493
3222499318,21cyclictest0-21swapper/319:47:293
3222499318,20cyclictest0-21swapper/322:25:153
3222499318,20cyclictest0-21swapper/322:25:153
3222499318,20cyclictest0-21swapper/321:45:073
32224993118,11cyclictest0-21swapper/320:08:593
3222399314,25cyclictest0-21swapper/219:30:302
3222399314,24cyclictest0-21swapper/223:06:542
3222399314,24cyclictest0-21swapper/223:01:592
32223993116,13cyclictest0-21swapper/222:00:162
32223993115,13cyclictest0-21swapper/221:55:372
32223993113,15cyclictest0-21swapper/200:20:292
32223993112,16cyclictest0-21swapper/223:45:002
3222299317,21cyclictest0-21swapper/122:30:141
3222299317,21cyclictest0-21swapper/122:30:141
3222299316,22cyclictest0-21swapper/122:45:241
3222299316,22cyclictest0-21swapper/121:50:141
3222299316,22cyclictest0-21swapper/121:50:131
3222299315,24cyclictest0-21swapper/120:55:351
3222299315,24cyclictest0-21swapper/119:23:151
32222993114,15cyclictest0-21swapper/121:25:311
32222993114,14cyclictest0-21swapper/123:10:301
32222993113,16cyclictest0-21swapper/121:40:191
32222993111,17cyclictest0-21swapper/123:30:211
3222099315,24cyclictest0-21swapper/022:05:020
32220993116,12cyclictest0-21swapper/023:24:590
32220993114,15cyclictest0-21swapper/000:00:040
32220993112,16cyclictest0-21swapper/022:40:210
32220993112,16cyclictest0-21swapper/022:40:210
32220993111,17cyclictest0-21swapper/000:05:360
32220993110,15cyclictest0-21swapper/019:30:190
3222499308,21cyclictest0-21swapper/320:24:193
3222499308,21cyclictest0-21swapper/319:21:393
3222499308,20cyclictest0-21swapper/320:44:493
3222499308,11cyclictest0-21swapper/319:42:193
32224993018,11cyclictest0-21swapper/320:38:393
32224993018,11cyclictest0-21swapper/320:25:093
32224993018,11cyclictest0-21swapper/320:25:083
32224993018,11cyclictest0-21swapper/320:17:093
32224993018,11cyclictest0-21swapper/319:53:393
32224993018,11cyclictest0-21swapper/319:32:483
32224993018,11cyclictest0-21swapper/319:16:293
3222399308,19cyclictest0-21swapper/222:35:162
3222399305,19cyclictest0-21swapper/219:52:112
3222399305,18cyclictest0-21swapper/220:58:512
3222399303,25cyclictest0-21swapper/219:26:102
32223993015,14cyclictest0-21swapper/220:25:352
32223993015,14cyclictest0-21swapper/220:25:352
32223993015,14cyclictest0-21swapper/219:36:302
32223993015,13cyclictest0-21swapper/223:35:352
32223993015,13cyclictest0-21swapper/223:35:352
32223993015,12cyclictest0-21swapper/200:03:372
32223993014,15cyclictest0-21swapper/219:20:102
32223993013,15cyclictest0-21swapper/223:30:192
32223993013,15cyclictest0-21swapper/223:20:182
32223993010,18cyclictest0-21swapper/222:55:332
3222299306,22cyclictest0-21swapper/121:20:011
3222299306,16cyclictest0-21swapper/120:39:121
3222299305,22cyclictest0-21swapper/123:45:341
32222993016,13cyclictest0-21swapper/120:11:151
32222993015,13cyclictest0-21swapper/100:05:291
32222993010,17cyclictest0-21swapper/123:50:291
32220993014,14cyclictest0-21swapper/023:55:010
32220993013,15cyclictest0-21swapper/023:35:120
32220993013,15cyclictest0-21swapper/023:35:120
32220993010,17cyclictest0-21swapper/000:10:120
3222499298,20cyclictest0-21swapper/321:03:593
3222499297,20cyclictest0-21swapper/319:13:493
3222499295,22cyclictest0-21swapper/319:56:183
32224992923,4cyclictest14859-21ntp_states22:10:283
32224992914,12cyclictest8307-21ntpq19:25:203
32224992911,17cyclictest0-21swapper/319:38:333
3222399295,21cyclictest0-21swapper/221:25:142
3222399294,23cyclictest0-21swapper/223:10:082
3222399293,24cyclictest0-21swapper/220:34:252
32223992916,11cyclictest0-21swapper/222:20:112
32223992916,11cyclictest0-21swapper/200:30:262
32223992914,12cyclictest0-21swapper/200:25:172
32223992913,15cyclictest0-21swapper/220:36:152
3222299296,21cyclictest0-21swapper/121:10:161
3222299296,21cyclictest0-21swapper/121:10:161
3222299296,20cyclictest0-21swapper/100:15:231
3222299296,20cyclictest0-21swapper/100:15:231
3222299296,12cyclictest0-21swapper/119:40:001
3222299295,22cyclictest0-21swapper/120:40:201
3222299295,21cyclictest0-21swapper/121:55:161
3222299295,13cyclictest0-21swapper/119:43:161
32222992916,12cyclictest0-21swapper/119:26:451
32222992915,13cyclictest0-21swapper/119:56:551
32222992915,12cyclictest0-21swapper/123:39:341
32222992915,12cyclictest0-21swapper/123:39:341
32222992915,12cyclictest0-21swapper/122:35:191
32222992914,13cyclictest0-21swapper/100:35:151
32222992914,13cyclictest0-21swapper/100:10:131
32222992912,15cyclictest0-21swapper/122:00:151
32222992911,11cyclictest0-21swapper/120:25:421
32222992911,11cyclictest0-21swapper/120:25:421
32220992915,12cyclictest0-21swapper/021:50:150
32220992915,12cyclictest0-21swapper/021:50:150
32220992915,12cyclictest0-21swapper/000:20:270
32220992913,14cyclictest0-21swapper/021:25:010
3222499285,21cyclictest0-21swapper/320:50:393
32224992822,4cyclictest27525-21latency20:10:183
3222399287,15cyclictest0-21swapper/220:40:372
3222399285,20cyclictest0-21swapper/200:00:012
3222399285,20cyclictest0-21swapper/200:00:012
3222399285,11cyclictest0-21swapper/220:53:302
3222399284,22cyclictest0-21swapper/219:55:552
3222399284,22cyclictest0-21swapper/219:46:492
3222399283,24cyclictest0-21swapper/221:05:022
3222399283,23cyclictest0-21swapper/220:21:302
3222399283,23cyclictest0-21swapper/220:00:102
32223992816,10cyclictest0-21swapper/221:18:172
32223992815,12cyclictest0-21swapper/220:05:302
32223992812,14cyclictest0-21swapper/222:05:192
3222299286,19cyclictest0-21swapper/122:40:131
3222299286,19cyclictest0-21swapper/122:40:121
3222299285,13cyclictest0-21swapper/120:32:171
32222992816,11cyclictest0-21swapper/120:15:451
32222992814,12cyclictest0-21swapper/122:20:231
32222992811,15cyclictest0-21swapper/100:00:291
32222992811,12cyclictest0-21swapper/120:06:141
3222099285,21cyclictest0-21swapper/022:25:200
3222099285,21cyclictest0-21swapper/022:25:200
32224992722,4cyclictest0-21swapper/321:05:253
3222399273,22cyclictest0-21swapper/220:15:212
32223992714,11cyclictest0-21swapper/221:10:322
32223992714,11cyclictest0-21swapper/221:10:312
32223992713,12cyclictest0-21swapper/223:25:242
32223992712,13cyclictest0-21swapper/223:50:272
32223992710,14cyclictest0-21swapper/223:45:252
3222299275,20cyclictest0-21swapper/119:30:171
32222992715,11cyclictest0-21swapper/120:53:451
32220992713,12cyclictest0-21swapper/000:35:220
32223992611,12cyclictest0-21swapper/221:50:252
32223992611,12cyclictest0-21swapper/221:50:252
3222299266,17cyclictest0-21swapper/123:55:141
3222299266,17cyclictest0-21swapper/123:55:141
3222299266,17cyclictest0-21swapper/121:30:211
32220992615,9cyclictest0-21swapper/022:55:160
3222399254,20cyclictest0-21swapper/220:10:242
3222099255,4cyclictest20136-21stress00:15:150
3222099255,4cyclictest20136-21stress00:15:140
3222099253,10cyclictest11198-21taskset23:16:590
3222399244,18cyclictest0-21swapper/222:45:122
3222299247,12cyclictest0-21swapper/100:25:001
3222099244,18cyclictest0-21swapper/000:25:280
3222399235,15cyclictest0-21swapper/200:05:132
3222399223,17cyclictest20134-21stress21:49:002
3222399215,14cyclictest0-21swapper/223:15:322
3222099213,16cyclictest20136-21stress22:33:020
3222099213,16cyclictest20136-21stress22:33:010
3222299204,7cyclictest1022-21jbd2/loop1-823:40:261
311402202,16sleep120134-21stress21:35:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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