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2026-04-22 - 02:21
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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 highest latencies:
System rack7slot1.osadl.org (updated Wed Apr 22, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27102211651,58sleep30-21swapper/319:05:173
28138211551,23sleep10-21swapper/119:07:121
28283211355,53sleep20-21swapper/219:09:062
28303210851,22sleep00-21swapper/019:09:200
2447621070,1sleep216164-21stress21:27:242
269232980,3sleep316163-21stress21:35:013
28453996115,26cyclictest0-21swapper/022:37:050
2845499456,36cyclictest0-21swapper/123:30:291
2845499419,29cyclictest0-21swapper/100:15:391
2845499419,29cyclictest0-21swapper/100:15:391
28455994010,27cyclictest0-21swapper/222:02:312
2845499398,28cyclictest0-21swapper/122:07:211
2845499398,28cyclictest0-21swapper/121:35:531
2410123910,14sleep20-21swapper/223:57:422
28455993811,24cyclictest0-21swapper/223:24:362
2845499388,20cyclictest0-21swapper/123:17:151
2845499387,28cyclictest0-21swapper/122:28:041
28453993810,16cyclictest0-21swapper/000:05:320
28456993710,24cyclictest0-21swapper/321:24:443
28456993710,24cyclictest0-21swapper/321:24:443
28455993714,21cyclictest0-21swapper/222:24:202
2845499376,28cyclictest0-21swapper/100:10:231
28454993712,22cyclictest0-21swapper/121:46:421
28454993712,22cyclictest0-21swapper/121:46:421
159612375,12sleep20-21swapper/221:08:272
95952365,12sleep10-21swapper/119:38:121
72642365,12sleep20-21swapper/219:30:552
7102365,12sleep30-21swapper/320:32:153
2845699367,26cyclictest0-21swapper/322:18:003
28456993614,19cyclictest0-21swapper/322:54:573
28456993614,19cyclictest0-21swapper/300:17:583
28456993614,19cyclictest0-21swapper/300:17:583
28456993612,21cyclictest0-21swapper/300:20:533
28456993611,23cyclictest0-21swapper/322:45:273
28456993610,24cyclictest0-21swapper/322:31:223
28456993610,23cyclictest0-21swapper/322:09:053
28455993614,19cyclictest0-21swapper/221:52:052
28455993614,19cyclictest0-21swapper/221:52:052
28455993611,22cyclictest0-21swapper/221:47:262
28455993611,22cyclictest0-21swapper/221:47:262
28455993610,23cyclictest0-21swapper/221:12:502
28455993610,23cyclictest0-21swapper/221:12:502
28453993612,21cyclictest0-21swapper/000:14:170
97142355,11sleep20-21swapper/219:39:412
96682355,11sleep30-21swapper/319:39:063
93052354,12sleep10-21swapper/120:50:541
73662355,12sleep30-21swapper/320:48:273
293222354,12sleep30-21swapper/320:25:103
28456993513,19cyclictest0-21swapper/323:45:303
28456993511,21cyclictest0-21swapper/300:00:343
2845599359,15cyclictest0-21swapper/222:55:522
28455993514,18cyclictest0-21swapper/222:47:022
28455993511,22cyclictest0-21swapper/221:56:002
28455993510,22cyclictest0-21swapper/222:30:172
2845499359,23cyclictest0-21swapper/123:35:061
28454993516,16cyclictest0-21swapper/123:20:261
28454993515,17cyclictest0-21swapper/100:30:161
28454993512,20cyclictest0-21swapper/122:40:301
28453993511,21cyclictest0-21swapper/021:28:280
28453993511,21cyclictest0-21swapper/000:02:220
28453993510,22cyclictest0-21swapper/023:39:280
183062355,13sleep10-21swapper/119:59:331
180482355,11sleep20-21swapper/219:56:182
116572355,11sleep20-21swapper/220:58:282
93832344,12sleep30-21swapper/320:51:523
52612345,11sleep10-21swapper/119:28:011
30542345,11sleep30-21swapper/319:22:303
29672344,11sleep10-21swapper/119:21:281
287932343,12sleep20-21swapper/220:21:442
2845699348,24cyclictest0-21swapper/323:50:283
28456993413,18cyclictest0-21swapper/321:37:053
28456993412,19cyclictest0-21swapper/300:10:333
28456993410,21cyclictest0-21swapper/322:00:333
2845599349,22cyclictest0-21swapper/222:10:212
2845599349,22cyclictest0-21swapper/221:33:342
2845599349,22cyclictest0-21swapper/200:10:362
2845599349,15cyclictest0-21swapper/221:35:192
28455993411,20cyclictest0-21swapper/200:35:482
2845499349,22cyclictest0-21swapper/123:55:241
2845499348,23cyclictest0-21swapper/121:20:581
2845499348,23cyclictest0-21swapper/121:20:581
2845499348,13cyclictest0-21swapper/120:30:381
28454993416,15cyclictest0-21swapper/123:25:141
28454993412,19cyclictest0-21swapper/100:20:081
28454993411,20cyclictest0-21swapper/100:26:491
2845399346,25cyclictest0-21swapper/023:50:150
28453993417,15cyclictest0-21swapper/020:30:060
28453993416,16cyclictest0-21swapper/022:20:160
28453993415,16cyclictest0-21swapper/022:40:100
28453993415,16cyclictest0-21swapper/021:30:030
28453993411,20cyclictest0-21swapper/023:56:250
28453993411,18cyclictest0-21swapper/020:35:230
28453993410,22cyclictest0-21swapper/019:24:570
28453993410,18cyclictest0-21swapper/019:50:020
182312345,11sleep30-21swapper/319:58:353
136022344,11sleep20-21swapper/221:01:022
121592343,12sleep10-21swapper/119:45:101
116632345,11sleep30-21swapper/320:58:343
51382335,11sleep10-21swapper/120:42:481
2845699339,21cyclictest0-21swapper/323:35:193
2845699337,23cyclictest0-21swapper/300:25:173
28456993315,15cyclictest0-21swapper/323:30:133
28456993315,15cyclictest0-21swapper/323:00:263
28456993312,19cyclictest0-21swapper/323:40:223
28456993311,19cyclictest0-21swapper/300:30:253
2845599339,21cyclictest0-21swapper/223:45:342
2845599336,24cyclictest0-21swapper/223:00:042
28455993311,19cyclictest0-21swapper/222:05:242
28455993311,19cyclictest0-21swapper/200:29:472
2845499339,21cyclictest0-21swapper/123:40:241
2845499339,21cyclictest0-21swapper/121:40:191
2845499337,23cyclictest0-21swapper/121:30:271
28454993315,16cyclictest0-21swapper/121:50:161
28454993315,16cyclictest0-21swapper/121:50:161
28454993311,19cyclictest0-21swapper/100:08:011
28454993310,20cyclictest0-21swapper/123:05:431
28454993310,20cyclictest0-21swapper/123:05:431
28454993310,20cyclictest0-21swapper/122:10:111
2845399339,21cyclictest0-21swapper/023:04:500
28453993316,15cyclictest0-21swapper/022:55:200
28453993316,14cyclictest0-21swapper/022:10:390
28453993315,15cyclictest0-21swapper/022:25:160
28453993314,17cyclictest0-21swapper/000:31:540
28453993314,16cyclictest0-21swapper/021:55:310
244782333,12sleep30-21swapper/320:11:223
244782333,12sleep30-21swapper/320:11:223
137882335,11sleep30-21swapper/321:03:233
117352335,9sleep30-21swapper/319:43:113
7352325,9sleep30-21swapper/319:16:213
286642323,12sleep30-21swapper/319:10:073
2845699329,20cyclictest0-21swapper/323:27:553
28455993216,14cyclictest0-21swapper/200:30:112
28455993216,13cyclictest0-21swapper/222:50:032
28455993215,14cyclictest0-21swapper/222:35:482
28455993211,18cyclictest0-21swapper/221:15:052
2845499328,21cyclictest0-21swapper/123:45:221
2845499327,22cyclictest0-21swapper/122:30:021
2845499326,23cyclictest0-21swapper/123:10:071
28454993210,19cyclictest0-21swapper/100:35:221
2845399329,17cyclictest0-21swapper/020:12:210
2845399329,17cyclictest0-21swapper/020:12:210
2845399329,17cyclictest0-21swapper/019:25:280
2845399328,21cyclictest0-21swapper/023:27:190
2845399325,25cyclictest0-21swapper/020:03:020
2845399325,25cyclictest0-21swapper/019:55:320
2845399325,20cyclictest0-21swapper/019:16:240
28453993217,13cyclictest0-21swapper/020:25:430
28453993215,15cyclictest0-21swapper/022:50:120
28453993215,15cyclictest0-21swapper/000:25:240
28453993214,15cyclictest0-21swapper/023:33:430
28453993210,18cyclictest0-21swapper/019:45:320
28453993210,16cyclictest0-21swapper/019:30:370
28453993210,16cyclictest0-21swapper/019:14:210
75732314,12sleep30-21swapper/319:34:493
2845699316,22cyclictest0-21swapper/322:40:353
2845699316,22cyclictest0-21swapper/322:35:213
28456993119,11cyclictest0-21swapper/321:08:193
28456993119,11cyclictest0-21swapper/320:21:193
28456993118,12cyclictest0-21swapper/320:41:193
28456993116,12cyclictest0-21swapper/322:28:563
28456993112,17cyclictest0-21swapper/321:15:363
28456993110,18cyclictest0-21swapper/300:35:323
28455993115,14cyclictest0-21swapper/223:10:162
28455993112,17cyclictest0-21swapper/223:40:262
28455993110,18cyclictest0-21swapper/200:00:252
2845499319,19cyclictest0-21swapper/121:15:191
2845499315,24cyclictest0-21swapper/121:10:321
2845499315,24cyclictest0-21swapper/121:10:321
2845499315,24cyclictest0-21swapper/120:10:221
2845499315,24cyclictest0-21swapper/120:10:221
28454993116,14cyclictest0-21swapper/121:06:021
28454993110,19cyclictest0-21swapper/122:45:091
2845399319,20cyclictest0-21swapper/021:01:520
2845399319,19cyclictest0-21swapper/021:35:130
2845399318,21cyclictest0-21swapper/019:35:180
2845399315,24cyclictest0-21swapper/020:22:520
2845399315,19cyclictest0-21swapper/019:42:340
28453993117,13cyclictest0-21swapper/020:45:220
28453993117,13cyclictest0-21swapper/020:42:520
28453993115,14cyclictest0-21swapper/023:15:170
28453993115,14cyclictest0-21swapper/020:55:480
28453993114,16cyclictest0-21swapper/020:15:020
28453993114,14cyclictest0-21swapper/023:40:100
28453993114,14cyclictest0-21swapper/023:13:270
28453993113,16cyclictest0-21swapper/023:05:130
28453993113,16cyclictest0-21swapper/023:05:130
28453993111,18cyclictest0-21swapper/000:15:050
28453993111,18cyclictest0-21swapper/000:15:050
28453993111,17cyclictest0-21swapper/021:21:010
28453993111,17cyclictest0-21swapper/021:21:010
28453993110,18cyclictest0-21swapper/021:50:330
28453993110,18cyclictest0-21swapper/021:50:330
136422315,9sleep10-21swapper/121:01:291
2845699308,21cyclictest0-21swapper/319:27:593
2845699308,20cyclictest0-21swapper/320:35:273
2845699307,20cyclictest0-21swapper/323:20:213
28456993018,11cyclictest0-21swapper/319:46:093
28456993016,12cyclictest0-21swapper/323:14:223
28456993014,14cyclictest0-21swapper/323:55:293
28456993014,14cyclictest0-21swapper/323:15:313
2845599309,18cyclictest0-21swapper/222:15:212
2845599305,23cyclictest0-21swapper/220:10:012
2845599305,23cyclictest0-21swapper/220:10:012
2845599305,23cyclictest0-21swapper/219:42:312
2845599305,23cyclictest0-21swapper/219:10:512
28455993016,12cyclictest0-21swapper/200:15:172
28455993016,12cyclictest0-21swapper/200:15:172
28455993015,13cyclictest0-21swapper/223:50:042
28455993015,13cyclictest0-21swapper/221:20:122
28455993015,13cyclictest0-21swapper/221:20:122
28455993010,18cyclictest0-21swapper/222:25:032
2845499309,14cyclictest0-21swapper/120:15:321
2845499305,23cyclictest0-21swapper/120:03:021
2845499304,24cyclictest0-21swapper/119:15:321
28454993016,13cyclictest0-21swapper/120:57:321
28454993016,13cyclictest0-21swapper/120:25:021
28454993016,13cyclictest0-21swapper/119:40:421
28454993015,13cyclictest0-21swapper/121:55:211
28454993014,13cyclictest0-21swapper/122:50:271
28454993013,15cyclictest0-21swapper/123:50:251
28454993010,18cyclictest0-21swapper/120:35:231
28454993010,18cyclictest0-21swapper/119:50:171
2845399309,19cyclictest0-21swapper/023:20:340
2845399309,17cyclictest0-21swapper/020:50:060
2845399306,21cyclictest0-21swapper/023:45:270
28453993016,13cyclictest0-21swapper/021:05:070
28453993015,12cyclictest0-21swapper/000:37:130
28453993014,14cyclictest0-21swapper/022:45:160
28453993014,14cyclictest0-21swapper/022:15:120
28453993014,14cyclictest0-21swapper/000:20:350
28453993012,15cyclictest0-21swapper/021:45:190
28453993012,15cyclictest0-21swapper/021:45:190
28453993010,15cyclictest0-21swapper/020:06:210
223572304,11sleep10-21swapper/120:06:391
2845699299,18cyclictest0-21swapper/323:05:193
2845699299,18cyclictest0-21swapper/323:05:193
2845699295,22cyclictest0-21swapper/320:05:293
28456992913,14cyclictest0-21swapper/322:55:243
2845599299,17cyclictest0-21swapper/223:35:352
2845599299,17cyclictest0-21swapper/200:20:212
2845599295,22cyclictest0-21swapper/220:29:212
2845599295,22cyclictest0-21swapper/219:25:012
2845599295,22cyclictest0-21swapper/219:17:212
28455992915,12cyclictest0-21swapper/222:40:122
28455992910,16cyclictest0-21swapper/200:05:192
2845499299,18cyclictest0-21swapper/122:58:021
2845499299,14cyclictest0-21swapper/119:30:471
2845499298,19cyclictest0-21swapper/122:20:171
2845499294,23cyclictest0-21swapper/119:10:421
28454992915,13cyclictest0-21swapper/120:45:321
28454992910,17cyclictest0-21swapper/120:20:131
28453992913,14cyclictest0-21swapper/021:15:210
28453992913,14cyclictest0-21swapper/021:10:260
28453992913,14cyclictest0-21swapper/021:10:260
2845699288,18cyclictest0-21swapper/320:15:043
2845699285,21cyclictest0-21swapper/319:54:193
28456992816,11cyclictest0-21swapper/320:01:493
28456992813,12cyclictest0-21swapper/321:40:033
28456992812,14cyclictest0-21swapper/322:10:043
28456992811,15cyclictest0-21swapper/321:14:283
28456992811,15cyclictest0-21swapper/321:14:283
2845599285,15cyclictest0-21swapper/219:50:222
2845599284,22cyclictest0-21swapper/220:30:112
28455992816,11cyclictest0-21swapper/220:45:112
28455992816,11cyclictest0-21swapper/220:40:212
28455992816,11cyclictest0-21swapper/220:17:212
28455992816,11cyclictest0-21swapper/220:00:312
28455992816,11cyclictest0-21swapper/219:20:312
28454992813,13cyclictest0-21swapper/122:15:211
28454992812,14cyclictest0-21swapper/121:25:321
28453992812,14cyclictest0-21swapper/022:30:150
28453992812,14cyclictest0-21swapper/021:40:090
2845699279,16cyclictest0-21swapper/322:20:233
2845699278,17cyclictest0-21swapper/321:45:283
2845699278,17cyclictest0-21swapper/321:45:283
2845599274,22cyclictest0-21swapper/220:36:312
28455992716,10cyclictest0-21swapper/219:45:312
28454992711,14cyclictest0-21swapper/122:03:191
28453992711,14cyclictest0-21swapper/022:00:130
28456992613,11cyclictest0-21swapper/321:55:163
28455992614,11cyclictest0-21swapper/220:07:222
28455992613,11cyclictest0-21swapper/220:50:142
2845499268,16cyclictest0-21swapper/100:00:121
2845499267,17cyclictest0-21swapper/123:00:261
28453992611,12cyclictest0-21swapper/022:05:360
104602253,4sleep210529-21/usr/sbin/munin23:25:262
2845599225,15cyclictest0-21swapper/223:05:182
2845599225,15cyclictest0-21swapper/223:05:182
2845499226,14cyclictest0-21swapper/122:35:281
2845699218,11cyclictest24745-1awk21:30:003
2845699216,13cyclictest0-21swapper/321:50:293
2845699216,13cyclictest0-21swapper/321:50:293
2845599218,11cyclictest0-21swapper/223:15:182
2845599216,13cyclictest0-21swapper/221:40:162
2845699206,12cyclictest0-21swapper/300:05:273
2845599206,12cyclictest0-21swapper/223:30:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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