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2026-05-14 - 12:05
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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 Thu May 14, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29203211251,56sleep20-21swapper/219:06:522
2916029353,35sleep30-21swapper/319:06:253
2936528557,23sleep00-21swapper/019:08:540
2910828454,25sleep10-21swapper/119:05:461
29552994214,22cyclictest0-21swapper/020:45:050
29552994113,22cyclictest0-21swapper/020:41:210
29553994016,21cyclictest0-21swapper/123:49:481
2955299409,24cyclictest0-21swapper/020:05:050
29552994012,21cyclictest0-21swapper/020:30:210
29552993916,17cyclictest0-21swapper/021:05:050
29552993914,18cyclictest0-21swapper/019:13:200
20022395,13sleep30-21swapper/320:31:053
41982385,13sleep30-21swapper/319:22:053
29555993814,21cyclictest0-21swapper/323:15:323
29553993813,23cyclictest0-21swapper/123:56:471
2955299388,24cyclictest0-21swapper/019:21:500
42322374,13sleep20-21swapper/219:22:322
323742375,13sleep20-21swapper/220:27:372
2955399377,27cyclictest0-21swapper/121:35:141
29553993714,21cyclictest0-21swapper/123:16:591
29552993716,14cyclictest0-21swapper/019:45:000
29552993715,19cyclictest0-21swapper/022:07:560
29552993715,19cyclictest0-21swapper/000:15:430
29552993713,19cyclictest0-21swapper/020:38:200
29552993712,22cyclictest0-21swapper/000:03:230
213972375,13sleep30-21swapper/320:00:593
172812375,13sleep30-21swapper/319:53:283
171622375,13sleep20-21swapper/221:06:052
171412375,13sleep20-21swapper/219:51:482
150232375,13sleep30-21swapper/319:47:183
129982375,13sleep20-21swapper/219:44:062
128632375,13sleep00-21swapper/020:56:260
109772375,13sleep00-21swapper/020:54:370
108042375,13sleep10-21swapper/120:52:261
86642365,13sleep10-21swapper/120:47:281
84962365,10sleep20-21swapper/219:31:262
84242365,13sleep30-21swapper/319:30:313
43422365,13sleep10-21swapper/120:37:491
29554993620,13cyclictest0-21swapper/200:20:192
29554993611,22cyclictest0-21swapper/221:12:412
29554993611,22cyclictest0-21swapper/221:12:402
29554993610,23cyclictest0-21swapper/221:52:182
2955299369,13cyclictest0-21swapper/023:55:140
2955299367,23cyclictest0-21swapper/019:50:060
29552993615,18cyclictest0-21swapper/022:58:570
29552993615,18cyclictest0-21swapper/022:11:350
29552993614,17cyclictest0-21swapper/019:55:060
29552993612,18cyclictest0-21swapper/020:25:270
29552993612,18cyclictest0-21swapper/019:15:290
29552993610,18cyclictest0-21swapper/020:10:160
29552993610,18cyclictest0-21swapper/020:10:160
278892365,13sleep00-21swapper/020:16:240
235842364,13sleep20-21swapper/220:06:222
20402365,13sleep10-21swapper/119:17:291
63922355,16sleep00-21swapper/019:26:590
42842355,13sleep30-21swapper/320:37:123
321892355,10sleep30-21swapper/320:25:283
29555993515,17cyclictest0-21swapper/322:56:133
29555993513,19cyclictest0-21swapper/322:49:373
29555993512,20cyclictest0-21swapper/321:31:493
29555993512,20cyclictest0-21swapper/300:33:373
29554993515,17cyclictest0-21swapper/200:07:222
29554993511,21cyclictest0-21swapper/221:24:072
2955399358,25cyclictest0-21swapper/122:40:201
2955299356,23cyclictest0-21swapper/020:01:480
2955299356,22cyclictest0-21swapper/019:45:350
2955299356,22cyclictest0-21swapper/019:37:540
29552993514,18cyclictest0-21swapper/022:26:480
29552993514,18cyclictest0-21swapper/022:26:470
29552993514,18cyclictest0-21swapper/022:03:300
22632354,12sleep20-21swapper/220:34:222
21782354,13sleep20-21swapper/219:19:162
215672355,12sleep10-21swapper/120:03:011
193922355,12sleep10-21swapper/119:58:001
174252355,12sleep30-21swapper/321:09:123
108052355,10sleep30-21swapper/319:38:253
85822345,10sleep20-21swapper/220:46:322
29555993414,17cyclictest0-21swapper/322:30:553
29555993414,17cyclictest0-21swapper/321:36:483
29555993414,17cyclictest0-21swapper/321:25:363
29555993412,19cyclictest0-21swapper/300:39:133
2955499348,23cyclictest0-21swapper/222:45:252
2955499347,24cyclictest0-21swapper/221:58:072
29554993415,16cyclictest0-21swapper/222:25:242
29554993415,16cyclictest0-21swapper/222:25:242
29554993414,17cyclictest0-21swapper/222:12:122
29554993411,20cyclictest0-21swapper/223:55:102
29554993411,20cyclictest0-21swapper/221:25:112
29554993411,20cyclictest0-21swapper/221:15:302
29553993410,15cyclictest0-21swapper/119:50:051
2955299346,25cyclictest0-21swapper/022:15:150
2955299345,26cyclictest0-21swapper/023:15:120
2955299345,23cyclictest0-21swapper/021:04:490
29552993415,16cyclictest0-21swapper/023:50:200
29552993415,16cyclictest0-21swapper/023:27:580
29552993414,17cyclictest0-21swapper/022:45:170
29552993414,17cyclictest0-21swapper/022:36:390
29552993413,18cyclictest0-21swapper/023:40:080
29552993413,18cyclictest0-21swapper/023:40:080
29552993410,21cyclictest0-21swapper/000:26:370
108012345,10sleep30-21swapper/320:52:233
7322330,3sleep317576-21stress21:45:143
7322330,3sleep317576-21stress21:45:133
302962334,10sleep20-21swapper/220:24:112
300372335,10sleep10-21swapper/120:21:101
29555993315,15cyclictest0-21swapper/323:44:293
29555993315,15cyclictest0-21swapper/323:44:293
29555993315,15cyclictest0-21swapper/323:36:143
29555993315,15cyclictest0-21swapper/323:36:143
29555993315,15cyclictest0-21swapper/321:40:353
29555993312,18cyclictest0-21swapper/323:55:303
2955499337,23cyclictest0-21swapper/223:20:202
29554993315,16cyclictest0-21swapper/200:15:012
29554993315,15cyclictest0-21swapper/221:36:262
29554993311,19cyclictest0-21swapper/200:12:022
29554993311,19cyclictest0-21swapper/200:12:012
29554993310,20cyclictest0-21swapper/223:30:342
2955399339,21cyclictest0-21swapper/123:30:121
2955399339,17cyclictest0-21swapper/120:18:491
2955399338,22cyclictest0-21swapper/122:27:061
2955399338,22cyclictest0-21swapper/122:27:061
2955399337,24cyclictest0-21swapper/121:30:181
2955399337,23cyclictest0-21swapper/122:05:251
2955399336,25cyclictest0-21swapper/123:28:441
29553993319,13cyclictest0-21swapper/120:43:021
29553993318,14cyclictest0-21swapper/120:32:011
29553993313,18cyclictest0-21swapper/100:35:131
29553993313,17cyclictest0-21swapper/122:36:511
29553993310,20cyclictest0-21swapper/122:02:531
29552993314,16cyclictest0-21swapper/023:45:560
29552993314,16cyclictest0-21swapper/023:30:030
29552993314,14cyclictest0-21swapper/020:20:050
29552993310,20cyclictest0-21swapper/000:10:250
29552993310,20cyclictest0-21swapper/000:10:250
284472335,10sleep30-21swapper/320:20:043
29555993216,13cyclictest0-21swapper/323:01:013
29555993216,13cyclictest0-21swapper/323:01:003
29555993215,15cyclictest0-21swapper/321:50:313
29555993215,15cyclictest0-21swapper/321:20:263
29554993211,18cyclictest0-21swapper/200:35:172
29554993210,19cyclictest0-21swapper/222:35:262
2955399329,21cyclictest0-21swapper/121:20:271
2955399328,22cyclictest0-21swapper/119:20:551
2955399327,23cyclictest0-21swapper/100:15:111
2955399327,22cyclictest0-21swapper/100:05:281
2955399326,23cyclictest0-21swapper/100:30:331
2955399325,25cyclictest0-21swapper/120:26:321
2955399325,24cyclictest0-21swapper/119:40:121
29553993219,12cyclictest0-21swapper/119:37:421
29553993215,15cyclictest0-21swapper/100:30:001
29553993211,18cyclictest0-21swapper/100:20:231
29552993215,15cyclictest0-21swapper/021:10:240
29552993215,15cyclictest0-21swapper/021:10:230
29552993214,15cyclictest0-21swapper/023:21:150
29552993214,15cyclictest0-21swapper/022:20:070
29552993214,15cyclictest0-21swapper/022:20:070
29552993212,15cyclictest0-21swapper/019:30:050
108932325,10sleep20-21swapper/220:53:352
2955599314,25cyclictest0-21swapper/321:00:253
29555993116,12cyclictest0-21swapper/323:20:053
29555993116,12cyclictest0-21swapper/300:25:213
29555993115,13cyclictest0-21swapper/300:20:233
29555993113,15cyclictest0-21swapper/322:43:153
29554993116,12cyclictest0-21swapper/223:50:102
29554993116,12cyclictest0-21swapper/223:49:342
29554993115,14cyclictest0-21swapper/223:25:132
29554993115,13cyclictest0-21swapper/222:05:132
29554993114,15cyclictest0-21swapper/222:50:292
29554993114,14cyclictest0-21swapper/221:45:232
29554993114,14cyclictest0-21swapper/221:45:232
29554993111,17cyclictest0-21swapper/223:05:232
29554993111,17cyclictest0-21swapper/223:05:222
29554993111,17cyclictest0-21swapper/200:26:552
2955399319,19cyclictest0-21swapper/123:50:031
2955399317,21cyclictest0-21swapper/122:58:471
2955399317,21cyclictest0-21swapper/121:10:191
2955399317,21cyclictest0-21swapper/121:10:191
2955399315,16cyclictest0-21swapper/119:31:491
29553993114,15cyclictest0-21swapper/122:33:201
29553993114,15cyclictest0-21swapper/121:30:011
29553993114,15cyclictest0-21swapper/100:14:581
29553993114,15cyclictest0-21swapper/100:14:571
29553993113,16cyclictest0-21swapper/123:05:111
29553993113,16cyclictest0-21swapper/123:05:111
29553993110,18cyclictest0-21swapper/121:40:201
2955299315,23cyclictest0-21swapper/021:50:190
29552993115,14cyclictest0-21swapper/022:50:230
29552993114,15cyclictest0-21swapper/021:55:260
29552993113,15cyclictest0-21swapper/023:11:020
29552993110,18cyclictest0-21swapper/000:05:240
151902315,10sleep10-21swapper/121:03:241
2955599307,21cyclictest0-21swapper/320:59:343
2955599307,21cyclictest0-21swapper/320:13:243
2955599307,21cyclictest0-21swapper/320:13:243
2955599307,20cyclictest0-21swapper/321:15:163
2955599305,22cyclictest0-21swapper/321:55:223
2955599304,24cyclictest0-21swapper/320:17:253
2955599304,24cyclictest0-21swapper/319:40:113
29555993011,16cyclictest0-21swapper/300:15:213
29555993011,16cyclictest0-21swapper/300:05:293
29554993016,12cyclictest0-21swapper/222:15:092
29554993013,15cyclictest0-21swapper/222:25:002
29554993013,15cyclictest0-21swapper/222:25:002
29554993011,17cyclictest0-21swapper/223:00:302
29554993011,17cyclictest0-21swapper/223:00:302
2955399306,22cyclictest0-21swapper/122:45:171
2955399306,22cyclictest0-21swapper/121:06:251
2955399306,22cyclictest0-21swapper/100:00:021
2955399306,21cyclictest0-21swapper/122:10:111
2955399305,23cyclictest0-21swapper/119:11:411
2955399305,17cyclictest0-21swapper/120:05:221
2955299303,12cyclictest17575-21stress21:24:200
29552993014,14cyclictest0-21swapper/021:45:280
29552993014,14cyclictest0-21swapper/021:45:280
29552993014,13cyclictest0-21swapper/022:40:040
29555992917,11cyclictest0-21swapper/319:59:323
29555992915,12cyclictest0-21swapper/322:52:163
29555992915,12cyclictest0-21swapper/321:10:173
29555992915,12cyclictest0-21swapper/321:10:163
29555992914,12cyclictest0-21swapper/322:15:203
29555992912,14cyclictest0-21swapper/323:50:303
29555992912,14cyclictest0-21swapper/323:10:123
29555992911,16cyclictest0-21swapper/322:35:113
2955499299,13cyclictest0-21swapper/220:40:282
2955499298,19cyclictest0-21swapper/200:30:232
2955499295,22cyclictest0-21swapper/220:59:592
2955499295,22cyclictest0-21swapper/220:16:292
2955499295,22cyclictest0-21swapper/220:13:392
2955499295,22cyclictest0-21swapper/220:13:392
2955499295,22cyclictest0-21swapper/219:10:292
29554992916,11cyclictest0-21swapper/219:26:592
29554992915,12cyclictest0-21swapper/223:35:282
29554992915,12cyclictest0-21swapper/223:35:272
29554992915,12cyclictest0-21swapper/222:55:292
29554992911,16cyclictest0-21swapper/223:40:112
29554992911,16cyclictest0-21swapper/223:40:112
29554992910,16cyclictest0-21swapper/222:30:052
2955399299,19cyclictest0-21swapper/120:10:121
2955399299,19cyclictest0-21swapper/120:10:111
2955399299,18cyclictest0-21swapper/123:10:341
2955399296,21cyclictest0-21swapper/122:15:141
2955399295,22cyclictest0-21swapper/120:55:111
2955399295,22cyclictest0-21swapper/119:28:121
29553992914,14cyclictest0-21swapper/119:49:311
2955299297,19cyclictest0-21swapper/000:20:150
2955299294,15cyclictest0-21swapper/021:40:260
29552992912,15cyclictest0-21swapper/023:06:160
29552992912,15cyclictest0-21swapper/023:06:160
29552992910,16cyclictest0-21swapper/022:30:270
29555992818,9cyclictest0-21swapper/320:45:023
29555992816,11cyclictest0-21swapper/319:15:443
29555992814,12cyclictest0-21swapper/322:25:263
29555992814,12cyclictest0-21swapper/322:25:253
29555992813,12cyclictest0-21swapper/300:00:133
29555992812,14cyclictest0-21swapper/323:05:043
29555992812,14cyclictest0-21swapper/323:05:043
29555992811,15cyclictest0-21swapper/323:45:173
29555992811,14cyclictest0-21swapper/322:21:543
29555992811,14cyclictest0-21swapper/322:21:543
2955499285,21cyclictest0-21swapper/220:03:582
29554992816,11cyclictest0-21swapper/219:55:492
29554992814,12cyclictest0-21swapper/223:10:252
29554992814,12cyclictest0-21swapper/222:40:182
29554992814,12cyclictest0-21swapper/200:00:282
29554992810,11cyclictest0-21swapper/221:00:402
29554992810,11cyclictest0-21swapper/219:35:052
29553992813,13cyclictest0-21swapper/123:35:351
29553992813,13cyclictest0-21swapper/123:35:341
29552992814,12cyclictest0-21swapper/021:25:150
29552992814,12cyclictest0-21swapper/021:15:200
2955599279,16cyclictest0-21swapper/320:42:243
2955599279,16cyclictest0-21swapper/320:07:433
2955599275,19cyclictest0-21swapper/322:05:223
2955599274,21cyclictest0-21swapper/319:11:413
29555992716,10cyclictest0-21swapper/319:29:353
29555992713,12cyclictest0-21swapper/322:10:073
2955499275,20cyclictest0-21swapper/219:45:392
2955499275,10cyclictest0-21swapper/220:35:592
29554992713,12cyclictest0-21swapper/222:05:022
2955399276,19cyclictest0-21swapper/121:55:271
29553992711,14cyclictest0-21swapper/121:45:161
29553992711,14cyclictest0-21swapper/121:45:151
29553992710,15cyclictest0-21swapper/123:05:011
29553992710,15cyclictest0-21swapper/123:05:001
2955299276,19cyclictest0-21swapper/021:30:160
29555992612,12cyclictest0-21swapper/323:25:233
29553992610,13cyclictest0-21swapper/122:20:061
29553992610,13cyclictest0-21swapper/122:20:061
2955299266,17cyclictest0-21swapper/000:35:270
2955299265,19cyclictest0-21swapper/023:35:180
2955299265,19cyclictest0-21swapper/023:35:170
29555992512,11cyclictest0-21swapper/322:00:093
29555992512,11cyclictest0-21swapper/300:10:183
29555992512,11cyclictest0-21swapper/300:10:183
2955399255,18cyclictest0-21swapper/123:40:181
2955399255,18cyclictest0-21swapper/123:40:171
2955299256,16cyclictest0-21swapper/000:30:270
29554992410,12cyclictest0-21swapper/223:15:182
2955299245,17cyclictest0-21swapper/023:00:170
2955299245,17cyclictest0-21swapper/023:00:170
29553992310,11cyclictest0-21swapper/121:50:341
2955299238,6cyclictest17579-21iperf21:36:060
2955599226,13cyclictest0-21swapper/323:35:033
2955399225,15cyclictest0-21swapper/122:50:181
209262222,3sleep117576-21stress21:15:311
2955399215,14cyclictest0-21swapper/123:20:271
2955499205,12cyclictest30723-21munin-node21:40:112
2955499202,17cyclictest17574-21stress21:33:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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