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2026-03-19 - 06:28
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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 Thu Mar 19, 2026 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
934211653,57sleep00-21swapper/019:07:150
1160211453,56sleep10-21swapper/119:09:411
1075211450,58sleep30-21swapper/319:08:393
90528459,20sleep20-21swapper/219:06:532
234132820,3sleep220940-21stress21:15:112
129199606,17cyclictest0-21swapper/021:35:170
1291995716,17cyclictest0-21swapper/000:10:300
1291995414,21cyclictest0-21swapper/023:25:260
1291995410,20cyclictest0-21swapper/000:32:440
129299533,39cyclictest0-21swapper/122:52:081
1292995320,23cyclictest0-21swapper/123:25:541
129199539,41cyclictest0-21swapper/021:55:190
1291995314,16cyclictest0-21swapper/022:05:270
1291995310,40cyclictest0-21swapper/022:40:190
129299523,38cyclictest0-21swapper/121:28:241
129299523,31cyclictest0-21swapper/122:00:251
129299523,31cyclictest0-21swapper/122:00:251
1292995220,22cyclictest0-21swapper/122:14:441
1292995220,21cyclictest0-21swapper/123:20:251
129299521,40cyclictest0-21swapper/100:20:181
1291995214,35cyclictest0-21swapper/000:06:490
1291995211,18cyclictest0-21swapper/000:02:040
129299513,37cyclictest0-21swapper/100:33:491
1291995114,17cyclictest0-21swapper/019:55:470
129299508,31cyclictest0-21swapper/121:45:461
1292995020,20cyclictest0-21swapper/122:05:411
1292995018,17cyclictest0-21swapper/122:57:341
1292995018,17cyclictest0-21swapper/121:35:311
129299497,31cyclictest0-21swapper/121:31:101
1292994919,16cyclictest0-21swapper/123:10:131
129199497,16cyclictest0-21swapper/023:34:330
1291994916,19cyclictest0-21swapper/019:15:060
1291994915,15cyclictest0-21swapper/023:48:270
1291994914,32cyclictest0-21swapper/023:22:010
1291994913,15cyclictest0-21swapper/023:05:340
1291994912,18cyclictest0-21swapper/000:25:310
1291994910,18cyclictest0-21swapper/021:50:320
1291994910,18cyclictest0-21swapper/021:50:320
1291994910,15cyclictest0-21swapper/019:26:130
129199488,21cyclictest0-21swapper/020:01:130
129199486,19cyclictest0-21swapper/022:00:300
129199486,19cyclictest0-21swapper/022:00:300
129199486,18cyclictest0-21swapper/022:10:290
129199485,24cyclictest0-21swapper/021:11:190
1291994816,19cyclictest0-21swapper/019:45:070
1291994814,16cyclictest0-21swapper/022:15:300
1291994814,16cyclictest0-21swapper/019:10:050
1291994812,18cyclictest0-21swapper/000:39:410
1291994811,23cyclictest0-21swapper/021:05:220
1291994811,20cyclictest0-21swapper/019:50:290
129299473,33cyclictest20942-21stress21:20:061
129299473,33cyclictest20942-21stress21:20:061
1292994718,20cyclictest0-21swapper/123:56:091
1292994713,20cyclictest0-21swapper/122:35:261
1292994713,20cyclictest0-21swapper/121:40:121
1291994717,15cyclictest0-21swapper/020:50:000
1291994717,15cyclictest0-21swapper/020:50:000
1291994715,19cyclictest0-21swapper/020:40:310
1291994714,17cyclictest0-21swapper/019:30:160
1291994714,16cyclictest0-21swapper/020:35:120
1292994612,19cyclictest0-21swapper/122:20:241
1292994612,19cyclictest0-21swapper/122:20:241
129199466,17cyclictest0-21swapper/022:25:320
129199466,16cyclictest0-21swapper/023:35:190
129199466,16cyclictest0-21swapper/022:55:560
129199466,16cyclictest0-21swapper/021:40:150
1291994616,17cyclictest0-21swapper/020:30:240
1291994616,17cyclictest0-21swapper/020:21:080
1291994612,17cyclictest0-21swapper/023:00:510
1291994612,17cyclictest0-21swapper/021:45:230
1291994610,13cyclictest0-21swapper/019:40:210
129299453,39cyclictest548-21/usr/sbin/munin00:10:161
129299452,33cyclictest20942-21stress23:30:281
1292994512,19cyclictest0-21swapper/122:40:251
1292994511,20cyclictest0-21swapper/122:15:231
129199458,18cyclictest0-21swapper/020:50:200
129199457,18cyclictest0-21swapper/020:10:060
129199457,16cyclictest0-21swapper/022:35:180
129199456,16cyclictest0-21swapper/021:20:340
129199456,16cyclictest0-21swapper/021:20:330
1291994516,16cyclictest0-21swapper/020:57:490
1291994515,15cyclictest0-21swapper/022:52:100
129299446,24cyclictest0-21swapper/121:11:101
129299444,29cyclictest20939-21stress00:00:021
1292994420,22cyclictest0-21swapper/123:05:131
1292994419,23cyclictest0-21swapper/123:45:151
129199446,18cyclictest0-21swapper/021:34:570
1291994416,16cyclictest0-21swapper/021:02:110
1291994416,13cyclictest0-21swapper/019:35:210
129199436,18cyclictest0-21swapper/021:29:560
129199436,16cyclictest0-21swapper/000:15:140
129299423,26cyclictest20939-21stress21:55:291
129299423,22cyclictest18749-21modprobe21:05:001
129199425,19cyclictest0-21swapper/000:21:080
1291994213,27cyclictest0-21swapper/020:05:270
1291994213,17cyclictest0-21swapper/019:20:070
1291994213,16cyclictest0-21swapper/020:25:510
129299415,22cyclictest0-21swapper/123:15:181
129299413,26cyclictest20939-21stress22:45:251
1292994120,19cyclictest0-21swapper/123:00:201
1292994120,19cyclictest0-21swapper/100:35:131
1292994120,19cyclictest0-21swapper/100:05:281
1292994119,19cyclictest0-21swapper/121:15:351
129199417,15cyclictest0-21swapper/021:15:310
1291994111,14cyclictest0-21swapper/000:00:010
81532405,15sleep30-21swapper/319:21:143
1293994016,22cyclictest0-21swapper/223:50:482
129299403,28cyclictest31919-21latency_hist20:20:001
129299403,27cyclictest20939-21stress23:40:171
129299403,19cyclictest0-21swapper/120:00:151
129199405,24cyclictest0-21swapper/020:15:220
129499397,30cyclictest0-21swapper/300:25:023
1293993915,22cyclictest0-21swapper/222:19:342
129299395,24cyclictest0-21swapper/119:55:111
129299394,17cyclictest0-21swapper/119:15:131
129299393,33cyclictest20939-21stress00:18:371
129299393,19cyclictest0-21swapper/120:20:141
129299393,19cyclictest0-21swapper/119:35:161
129299393,18cyclictest0-21swapper/120:35:121
129299391,26cyclictest27069-21cat20:05:221
55572384,16sleep30-21swapper/320:30:273
1294993814,22cyclictest0-21swapper/300:00:153
1294993814,21cyclictest0-21swapper/323:45:273
1293993811,24cyclictest0-21swapper/200:37:352
129299385,31cyclictest0-21swapper/122:30:231
129299384,18cyclictest0-21swapper/119:45:191
129299384,17cyclictest0-21swapper/120:30:171
129299384,17cyclictest0-21swapper/119:25:011
129299383,19cyclictest0-21swapper/120:45:121
129299383,19cyclictest0-21swapper/120:45:111
129299383,19cyclictest0-21swapper/120:10:131
129299383,19cyclictest0-21swapper/119:50:131
129299383,19cyclictest0-21swapper/119:40:161
129299383,18cyclictest0-21swapper/121:05:171
129299383,18cyclictest0-21swapper/120:55:161
129299383,18cyclictest0-21swapper/120:25:151
129299383,18cyclictest0-21swapper/119:30:141
129299383,17cyclictest0-21swapper/119:20:291
129299382,34cyclictest20939-21stress23:35:591
1292993819,17cyclictest0-21swapper/100:25:201
101602384,16sleep20-21swapper/220:44:212
230302374,16sleep20-21swapper/219:55:292
1293993716,18cyclictest0-21swapper/223:17:312
1293993716,18cyclictest0-21swapper/222:22:382
1293993716,18cyclictest0-21swapper/222:22:372
129299374,4cyclictest20939-21stress22:28:581
129299373,18cyclictest0-21swapper/120:50:181
129299373,18cyclictest0-21swapper/120:40:101
129299373,17cyclictest0-21swapper/119:10:241
1292993720,14cyclictest0-21swapper/121:50:151
1292993720,14cyclictest0-21swapper/121:50:141
62092364,17sleep30-21swapper/319:18:293
1293993611,23cyclictest0-21swapper/222:30:072
100882363,16sleep30-21swapper/320:43:263
83242355,14sleep20-21swapper/219:23:262
62302355,15sleep20-21swapper/219:18:452
141532355,14sleep20-21swapper/220:51:002
129499356,26cyclictest0-21swapper/300:10:123
1293993512,20cyclictest0-21swapper/200:25:312
104532355,9sleep20-21swapper/219:28:112
207982344,14sleep20-21swapper/221:09:152
129399348,24cyclictest0-21swapper/222:25:352
1293993413,18cyclictest0-21swapper/222:40:032
129299342,5cyclictest14450irq/38-xhci_hcd23:50:141
210682335,9sleep20-21swapper/219:52:422
129499336,24cyclictest0-21swapper/322:15:273
1294993315,16cyclictest0-21swapper/300:07:373
1294993315,15cyclictest0-21swapper/323:20:293
1294993315,15cyclictest0-21swapper/322:50:113
1294993314,17cyclictest0-21swapper/323:50:113
129399336,25cyclictest0-21swapper/221:51:112
129399336,25cyclictest0-21swapper/221:51:112
1293993317,13cyclictest0-21swapper/222:00:032
1293993317,13cyclictest0-21swapper/222:00:032
1293993315,16cyclictest0-21swapper/200:30:202
1293993314,17cyclictest0-21swapper/223:35:432
1293993314,17cyclictest0-21swapper/222:39:352
1293993313,17cyclictest0-21swapper/223:27:472
1293993312,19cyclictest0-21swapper/223:40:262
129499325,25cyclictest0-21swapper/320:35:213
129499325,25cyclictest0-21swapper/319:40:113
129499325,24cyclictest0-21swapper/300:38:103
1294993217,13cyclictest0-21swapper/323:35:143
129399326,24cyclictest0-21swapper/223:02:262
129399326,24cyclictest0-21swapper/200:02:442
1293993215,15cyclictest0-21swapper/221:55:102
1293993215,14cyclictest0-21swapper/223:55:152
1293993214,15cyclictest0-21swapper/200:21:542
129499315,24cyclictest0-21swapper/321:03:313
129499315,24cyclictest0-21swapper/320:51:213
129499315,24cyclictest0-21swapper/320:45:123
129499315,24cyclictest0-21swapper/320:45:113
129499315,24cyclictest0-21swapper/320:22:323
129499315,24cyclictest0-21swapper/320:16:013
129499315,24cyclictest0-21swapper/320:10:213
129499315,24cyclictest0-21swapper/320:05:143
129499315,24cyclictest0-21swapper/319:58:323
129499315,24cyclictest0-21swapper/319:35:023
1294993116,12cyclictest0-21swapper/322:25:293
1294993112,16cyclictest0-21swapper/321:35:143
129399315,24cyclictest0-21swapper/220:55:222
1293993117,12cyclictest0-21swapper/222:05:042
1293993116,13cyclictest0-21swapper/221:20:282
1293993116,13cyclictest0-21swapper/221:20:272
1293993115,14cyclictest0-21swapper/200:10:152
1293993113,16cyclictest0-21swapper/221:35:222
1293993112,16cyclictest0-21swapper/221:10:122
129862305,9sleep20-21swapper/219:35:082
129499307,21cyclictest0-21swapper/323:30:253
129499306,21cyclictest0-21swapper/321:45:133
129499306,21cyclictest0-21swapper/321:40:313
129499305,24cyclictest0-21swapper/320:00:123
129499305,23cyclictest0-21swapper/321:06:223
129499305,23cyclictest0-21swapper/320:26:123
129499305,23cyclictest0-21swapper/319:35:513
129499305,21cyclictest0-21swapper/322:10:163
1294993016,12cyclictest0-21swapper/323:17:463
1294993015,14cyclictest0-21swapper/320:55:513
1294993015,14cyclictest0-21swapper/319:27:113
1294993015,12cyclictest0-21swapper/322:45:173
1294993015,12cyclictest0-21swapper/300:30:103
1294993013,14cyclictest0-21swapper/322:04:543
1294993013,14cyclictest0-21swapper/322:04:543
1294993010,18cyclictest0-21swapper/322:39:323
1294993010,18cyclictest0-21swapper/322:30:213
129399305,23cyclictest0-21swapper/219:10:172
129399304,24cyclictest0-21swapper/221:00:142
129399304,24cyclictest0-21swapper/220:00:152
1293993013,14cyclictest0-21swapper/200:15:182
1293993013,14cyclictest0-21swapper/200:05:242
126542305,9sleep20-21swapper/219:34:122
1294992916,10cyclictest0-21swapper/321:10:253
1294992915,12cyclictest0-21swapper/323:25:183
1294992915,12cyclictest0-21swapper/321:18:593
1294992914,12cyclictest0-21swapper/323:00:343
1294992913,14cyclictest0-21swapper/323:55:313
129399295,22cyclictest0-21swapper/220:25:192
129399295,22cyclictest0-21swapper/219:45:152
129399294,23cyclictest0-21swapper/220:45:122
129399294,23cyclictest0-21swapper/220:45:122
129399294,23cyclictest0-21swapper/220:20:222
129399294,23cyclictest0-21swapper/219:40:162
1293992914,12cyclictest0-21swapper/223:07:562
1293992912,14cyclictest0-21swapper/223:10:452
136502283,5sleep313705-21users22:05:353
129499288,17cyclictest0-21swapper/321:22:303
129499288,17cyclictest0-21swapper/321:22:303
129499286,19cyclictest0-21swapper/321:55:233
129499285,21cyclictest0-21swapper/319:12:213
1294992814,12cyclictest0-21swapper/322:40:313
1294992812,14cyclictest0-21swapper/319:45:193
1294992810,16cyclictest0-21swapper/322:20:363
1294992810,16cyclictest0-21swapper/322:20:363
129399285,21cyclictest0-21swapper/220:10:122
129399284,22cyclictest0-21swapper/220:30:102
1293992816,11cyclictest0-21swapper/220:15:022
1293992814,12cyclictest0-21swapper/221:25:152
1293992813,12cyclictest0-21swapper/223:00:032
1293992811,15cyclictest0-21swapper/222:50:222
1293992810,15cyclictest0-21swapper/223:45:202
1294992713,12cyclictest0-21swapper/300:20:163
1294992710,15cyclictest0-21swapper/321:50:143
1294992710,15cyclictest0-21swapper/321:50:133
129399275,20cyclictest0-21swapper/220:35:072
1293992713,12cyclictest0-21swapper/223:30:112
1294992612,13cyclictest0-21swapper/319:50:213
1294992611,13cyclictest0-21swapper/321:25:123
129399265,19cyclictest0-21swapper/220:05:202
1291992613,11cyclictest0-21swapper/023:10:140
129499246,15cyclictest0-21swapper/323:05:253
129399246,15cyclictest0-21swapper/223:20:112
129199243,18cyclictest19572-21ntp_states22:20:280
129199243,18cyclictest19572-21ntp_states22:20:280
129499236,15cyclictest0-21swapper/323:10:173
129199238,13cyclictest0-21swapper/022:30:270
129399227,13cyclictest0-21swapper/221:30:272
129199227,13cyclictest0-21swapper/022:45:160
129499216,13cyclictest0-21swapper/321:30:273
129399213,16cyclictest20940-21stress22:10:072
129199216,13cyclictest0-21swapper/023:50:240
129199213,16cyclictest20940-21stress23:15:180
1294992014,4cyclictest22175-21munin-run23:45:023
129399206,12cyclictest20944-21iperf21:42:442
129499192,16cyclictest20940-21stress00:17:413
1294991915,3cyclictest20940-21stress22:55:413
1293991914,4cyclictest20940-21stress21:45:282
1293991910,7cyclictest0-21swapper/222:45:172
129199182,3cyclictest20938-21stress23:40:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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