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2025-07-02 - 16:06
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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 rackdslot3.osadl.org (updated Wed Jul 02, 2025 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191206171,23phc2sys0-21swapper/307:08:433
48742203169,22sleep20-21swapper/207:09:362
47522203168,23sleep10-21swapper/107:08:071
47512197164,22sleep00-21swapper/007:08:060
385421730,6sleep2520199cyclictest09:20:262
66792620,4sleep00-21swapper/009:25:290
5202996226,8cyclictest41-21ksoftirqd/310:00:013
5202996129,8cyclictest41-21ksoftirqd/309:40:013
5202996126,8cyclictest41-21ksoftirqd/312:25:003
5202996024,8cyclictest41-21ksoftirqd/310:24:593
5202995931,7cyclictest41-21ksoftirqd/308:35:263
5202995931,3cyclictest41-21ksoftirqd/312:05:013
5202995926,4cyclictest41-21ksoftirqd/311:45:003
5202995923,8cyclictest41-21ksoftirqd/310:05:013
5202995829,7cyclictest41-21ksoftirqd/308:10:003
5202995825,8cyclictest41-21ksoftirqd/311:05:013
5202995825,8cyclictest41-21ksoftirqd/311:05:003
5202995729,4cyclictest41-21ksoftirqd/311:10:013
5202995721,7cyclictest41-21ksoftirqd/311:15:173
5202995629,7cyclictest41-21ksoftirqd/309:20:013
5202995626,4cyclictest41-21ksoftirqd/307:35:173
5202995625,8cyclictest41-21ksoftirqd/311:00:003
5202995624,8cyclictest41-21ksoftirqd/307:15:323
5202995624,4cyclictest41-21ksoftirqd/311:35:003
5202995526,8cyclictest41-21ksoftirqd/311:25:003
5202995526,7cyclictest41-21ksoftirqd/310:35:203
5202995525,4cyclictest41-21ksoftirqd/310:15:173
5202995524,4cyclictest41-21ksoftirqd/312:30:233
5202995523,8cyclictest41-21ksoftirqd/311:30:003
5202995519,8cyclictest41-21ksoftirqd/312:05:243
5202995426,7cyclictest41-21ksoftirqd/309:35:003
5202995425,4cyclictest41-21ksoftirqd/312:35:203
5202995424,9cyclictest41-21ksoftirqd/310:05:193
5202995424,8cyclictest41-21ksoftirqd/309:50:013
5202995423,7cyclictest41-21ksoftirqd/311:40:003
5202995418,8cyclictest41-21ksoftirqd/307:50:003
5202995324,7cyclictest41-21ksoftirqd/308:40:013
5202995324,7cyclictest41-21ksoftirqd/308:05:003
5202995324,7cyclictest41-21ksoftirqd/308:05:003
5202995324,3cyclictest41-21ksoftirqd/307:25:313
5202995323,8cyclictest41-21ksoftirqd/310:50:183
5202995323,4cyclictest41-21ksoftirqd/311:10:203
5202995320,5cyclictest41-21ksoftirqd/308:55:003
5202995318,4cyclictest41-21ksoftirqd/307:55:003
5202995318,3cyclictest121rcu_preempt08:45:173
132492530,2sleep10-21swapper/111:55:211
5202995226,7cyclictest41-21ksoftirqd/308:15:243
5202995221,8cyclictest41-21ksoftirqd/309:20:183
5202995221,8cyclictest41-21ksoftirqd/309:15:003
5202995221,7cyclictest41-21ksoftirqd/312:15:193
5202995220,4cyclictest41-21ksoftirqd/308:30:293
5202995219,8cyclictest41-21ksoftirqd/307:45:013
5202995219,4cyclictest41-21ksoftirqd/307:20:243
5202995211,4cyclictest41-21ksoftirqd/309:40:273
136991520,0ptp4l401ktimersoftd/308:57:563
5202995125,6cyclictest41-21ksoftirqd/309:25:233
5202995124,6cyclictest41-21ksoftirqd/308:10:203
5202995123,7cyclictest41-21ksoftirqd/310:15:003
5202995121,9cyclictest41-21ksoftirqd/312:10:253
5202995121,8cyclictest41-21ksoftirqd/312:25:233
5202995121,7cyclictest41-21ksoftirqd/310:30:143
5202995121,7cyclictest41-21ksoftirqd/310:30:143
5202995121,3cyclictest41-21ksoftirqd/311:55:283
5202995120,6cyclictest41-21ksoftirqd/310:40:283
5202995021,8cyclictest41-21ksoftirqd/308:20:113
5202995019,10cyclictest41-21ksoftirqd/307:10:273
5202994914,5cyclictest41-21ksoftirqd/311:50:183
5202994820,4cyclictest41-21ksoftirqd/309:05:313
5202994819,7cyclictest41-21ksoftirqd/311:45:263
5202994818,8cyclictest41-21ksoftirqd/307:55:273
5202994814,9cyclictest41-21ksoftirqd/310:50:003
5202994718,3cyclictest41-21ksoftirqd/309:00:263
5202994714,4cyclictest41-21ksoftirqd/309:50:193
5202994520,3cyclictest41-21ksoftirqd/308:25:263
5202994511,5cyclictest41-21ksoftirqd/307:30:213
5202994511,5cyclictest41-21ksoftirqd/307:30:213
520299443,3cyclictest41-21ksoftirqd/310:25:233
5200994337,3cyclictest3517-21grep10:30:001
520199408,30cyclictest25955-21kworker/2:111:45:152
520199403,36cyclictest25955-21kworker/2:111:03:232
520199403,36cyclictest25955-21kworker/2:111:03:232
5201994019,18cyclictest33-21ksoftirqd/209:55:002
520199393,35cyclictest25955-21kworker/2:111:37:512
520199392,35cyclictest25955-21kworker/2:110:42:522
520199391,37cyclictest25955-21kworker/2:110:59:552
520199391,36cyclictest32706-21kworker/2:108:25:322
5201993911,18cyclictest1297-21runrttasks12:04:482
520199387,30cyclictest25955-21kworker/2:112:08:472
520199387,30cyclictest23600-21kworker/2:009:03:122
520199387,29cyclictest25955-21kworker/2:110:20:242
520199386,31cyclictest25955-21kworker/2:110:35:522
520199386,30cyclictest23600-21kworker/2:009:06:482
520199382,35cyclictest32706-21kworker/2:107:58:002
520199381,36cyclictest25955-21kworker/2:110:18:512
520199381,36cyclictest12849-21kworker/2:009:47:312
520199381,35cyclictest32706-21kworker/2:107:47:432
520199381,35cyclictest32706-21kworker/2:107:23:362
520199377,29cyclictest32706-21kworker/2:108:08:202
520199376,29cyclictest25955-21kworker/2:111:55:032
520199376,29cyclictest25955-21kworker/2:110:10:152
5201993730,4cyclictest33-21ksoftirqd/210:26:252
520199371,35cyclictest32706-21kworker/2:107:37:202
520199371,34cyclictest12849-21kworker/2:010:05:032
5200993732,3cyclictest11844-21sh09:40:011
5199993731,4cyclictest4851-21cron11:40:000
520199366,29cyclictest25955-21kworker/2:110:46:122
520199366,28cyclictest7033-21kworker/2:209:34:192
520199365,30cyclictest12849-21kworker/2:010:00:272
520199365,29cyclictest25955-21kworker/2:111:17:072
520199365,29cyclictest25955-21kworker/2:110:52:522
520199364,30cyclictest32706-21kworker/2:108:11:482
520199363,32cyclictest7033-21kworker/2:209:38:552
520199363,32cyclictest32706-21kworker/2:107:17:472
520199363,31cyclictest32706-21kworker/2:108:21:562
5201993630,4cyclictest33-21ksoftirqd/211:53:482
5201993629,4cyclictest33-21ksoftirqd/211:41:582
5201993629,4cyclictest33-21ksoftirqd/207:41:442
520199362,33cyclictest23600-21kworker/2:008:55:272
520199362,33cyclictest20294-21kworker/2:012:25:552
520199361,34cyclictest32706-21kworker/2:108:53:032
520199361,33cyclictest25955-21kworker/2:111:22:282
5200993632,3cyclictest25-21ksoftirqd/111:50:001
5199993630,4cyclictest9-21ksoftirqd/011:54:240
5199993629,5cyclictest9-21ksoftirqd/008:31:090
520199355,29cyclictest20294-21kworker/2:012:19:312
520199355,28cyclictest25955-21kworker/2:111:34:192
5201993529,4cyclictest33-21ksoftirqd/209:54:432
5201993529,4cyclictest33-21ksoftirqd/208:31:032
5201993529,4cyclictest33-21ksoftirqd/207:34:112
5201993529,4cyclictest33-21ksoftirqd/207:34:112
520199350,34cyclictest29798-21kworker/2:212:36:192
5200993530,3cyclictest25-21ksoftirqd/108:00:001
5200993530,3cyclictest25-21ksoftirqd/107:35:011
5200993530,3cyclictest25-21ksoftirqd/107:35:011
5200993529,4cyclictest25-21ksoftirqd/109:53:261
520199344,28cyclictest32706-21kworker/2:107:28:122
5201993429,3cyclictest33-21ksoftirqd/211:28:502
5201993428,4cyclictest33-21ksoftirqd/208:45:472
5200993430,2cyclictest25-21ksoftirqd/111:45:001
5200993429,3cyclictest25-21ksoftirqd/112:25:201
5199993428,4cyclictest9-21ksoftirqd/011:17:010
5199993428,4cyclictest9-21ksoftirqd/007:11:500
520199334,28cyclictest32706-21kworker/2:107:54:272
520199333,29cyclictest7033-21kworker/2:209:29:402
520199333,28cyclictest32706-21kworker/2:107:12:272
520199333,28cyclictest23600-21kworker/2:009:15:082
520199333,17cyclictest25955-21kworker/2:110:30:282
520199333,17cyclictest25955-21kworker/2:110:30:282
5201993329,3cyclictest33-21ksoftirqd/209:12:492
520199332,30cyclictest20294-21kworker/2:012:22:312
5201993313,17cyclictest20892-21ls11:05:162
520199331,30cyclictest7033-21kworker/2:209:40:152
520199330,32cyclictest29798-21kworker/2:212:33:592
5200993328,3cyclictest25-21ksoftirqd/112:15:191
5200993328,3cyclictest25-21ksoftirqd/110:10:021
5200993327,4cyclictest25-21ksoftirqd/111:09:561
5200993327,4cyclictest25-21ksoftirqd/110:47:331
5200993327,4cyclictest25-21ksoftirqd/109:03:311
5200993327,4cyclictest25-21ksoftirqd/108:05:061
5199993327,4cyclictest9-21ksoftirqd/012:39:290
5199993327,4cyclictest9-21ksoftirqd/011:30:090
5199993327,4cyclictest9-21ksoftirqd/011:24:270
5199993327,4cyclictest9-21ksoftirqd/010:56:320
5199993327,4cyclictest9-21ksoftirqd/010:26:470
309882330,3sleep10-21swapper/111:25:201
520199323,28cyclictest32706-21kworker/2:108:04:282
520199323,28cyclictest32706-21kworker/2:108:04:282
5201993227,3cyclictest33-21ksoftirqd/208:37:002
520199322,29cyclictest25955-21kworker/2:111:11:592
5200993227,3cyclictest25-21ksoftirqd/111:19:591
5200993227,3cyclictest25-21ksoftirqd/108:57:171
5200993227,3cyclictest25-21ksoftirqd/108:17:041
5200993227,3cyclictest1297-21runrttasks12:07:251
5200993226,4cyclictest25-21ksoftirqd/112:38:181
5200993226,4cyclictest25-21ksoftirqd/111:32:341
5200993226,4cyclictest25-21ksoftirqd/110:01:091
5200993226,4cyclictest25-21ksoftirqd/108:35:501
5200993225,4cyclictest25-21ksoftirqd/112:00:481
5199993227,3cyclictest9-21ksoftirqd/011:57:210
5199993226,4cyclictest9-21ksoftirqd/010:53:030
5199993226,4cyclictest9-21ksoftirqd/008:42:200
5199993226,4cyclictest9-21ksoftirqd/008:10:470
5199993226,4cyclictest9-21ksoftirqd/008:05:580
5200993126,3cyclictest25-21ksoftirqd/112:35:001
5200993126,3cyclictest25-21ksoftirqd/112:11:531
5200993126,3cyclictest25-21ksoftirqd/110:53:261
5200993126,3cyclictest25-21ksoftirqd/110:08:301
5200993126,3cyclictest25-21ksoftirqd/108:45:011
5200993125,4cyclictest25-21ksoftirqd/110:18:051
5200993125,4cyclictest25-21ksoftirqd/109:45:401
5200993125,4cyclictest25-21ksoftirqd/107:51:151
5200993124,4cyclictest25-21ksoftirqd/108:11:481
5200993123,5cyclictest25-21ksoftirqd/107:11:231
5199993126,3cyclictest9-21ksoftirqd/010:39:390
5199993126,3cyclictest9-21ksoftirqd/009:57:340
5199993125,4cyclictest9-21ksoftirqd/011:02:130
5199993125,4cyclictest9-21ksoftirqd/011:02:130
5199993125,4cyclictest9-21ksoftirqd/010:40:590
5199993125,4cyclictest9-21ksoftirqd/010:34:210
5199993125,4cyclictest9-21ksoftirqd/010:34:210
5199993125,4cyclictest9-21ksoftirqd/010:20:370
5199993125,4cyclictest9-21ksoftirqd/009:21:160
5199993125,4cyclictest9-21ksoftirqd/007:44:270
5199993125,4cyclictest9-21ksoftirqd/007:17:120
520199300,3cyclictest0-21swapper/208:15:242
520199300,18cyclictest32706-21kworker/2:108:40:192
5200993026,2cyclictest25-21ksoftirqd/111:00:001
5200993025,3cyclictest25-21ksoftirqd/111:40:001
5200993025,3cyclictest25-21ksoftirqd/111:15:011
5200993025,3cyclictest25-21ksoftirqd/108:52:401
5200993024,4cyclictest25-21ksoftirqd/111:24:081
5200993024,4cyclictest25-21ksoftirqd/109:10:451
5200993024,4cyclictest25-21ksoftirqd/109:07:561
5200993024,4cyclictest25-21ksoftirqd/108:22:351
5200993024,3cyclictest25-21ksoftirqd/112:20:181
5200993024,3cyclictest25-21ksoftirqd/107:47:371
5199993025,3cyclictest9-21ksoftirqd/010:15:000
5199993025,3cyclictest9-21ksoftirqd/008:24:440
5199993024,4cyclictest9-21ksoftirqd/011:28:290
5199993024,4cyclictest9-21ksoftirqd/010:15:120
5199993024,4cyclictest9-21ksoftirqd/008:53:030
5199993024,4cyclictest9-21ksoftirqd/007:59:190
5199993024,4cyclictest9-21ksoftirqd/007:27:070
5201992923,4cyclictest33-21ksoftirqd/212:12:432
5200992925,3cyclictest25-21ksoftirqd/111:50:221
5200992925,3cyclictest25-21ksoftirqd/109:33:141
5200992924,3cyclictest25-21ksoftirqd/110:35:001
5200992924,3cyclictest25-21ksoftirqd/110:35:001
5200992924,3cyclictest25-21ksoftirqd/110:20:451
5200992924,3cyclictest25-21ksoftirqd/109:15:531
5200992924,3cyclictest25-21ksoftirqd/108:25:131
5200992923,3cyclictest25-21ksoftirqd/111:05:001
5200992923,3cyclictest25-21ksoftirqd/111:05:001
5199992924,3cyclictest9-21ksoftirqd/012:00:120
5199992923,4cyclictest9-21ksoftirqd/012:15:580
5199992923,4cyclictest9-21ksoftirqd/009:35:110
5199992923,4cyclictest9-21ksoftirqd/009:01:380
5199992923,4cyclictest9-21ksoftirqd/008:39:110
5200992823,3cyclictest25-21ksoftirqd/109:27:051
5200992823,3cyclictest25-21ksoftirqd/108:45:201
5200992823,3cyclictest25-21ksoftirqd/107:15:391
5200992822,4cyclictest25-21ksoftirqd/109:55:471
5199992823,3cyclictest9-21ksoftirqd/012:26:170
5199992823,3cyclictest9-21ksoftirqd/009:47:060
5199992823,3cyclictest9-21ksoftirqd/009:20:010
5199992823,3cyclictest9-21ksoftirqd/008:03:100
5199992823,3cyclictest9-21ksoftirqd/008:03:100
5199992823,3cyclictest9-21ksoftirqd/007:33:040
5199992823,3cyclictest9-21ksoftirqd/007:33:040
5199992822,4cyclictest9-21ksoftirqd/011:10:590
5199992822,4cyclictest9-21ksoftirqd/009:08:000
5199992822,4cyclictest9-21ksoftirqd/007:51:210
5199992822,4cyclictest9-21ksoftirqd/007:47:070
5200992721,4cyclictest25-21ksoftirqd/107:25:221
5200992721,3cyclictest25-21ksoftirqd/107:42:011
5199992722,3cyclictest9-21ksoftirqd/010:08:550
5199992722,3cyclictest9-21ksoftirqd/007:36:080
5199992721,4cyclictest9-21ksoftirqd/008:57:040
5200992621,3cyclictest25-21ksoftirqd/110:40:261
5200992621,3cyclictest25-21ksoftirqd/108:04:341
5200992621,3cyclictest25-21ksoftirqd/108:04:331
5200992621,3cyclictest25-21ksoftirqd/107:22:541
5200992620,4cyclictest25-21ksoftirqd/108:30:151
5199992621,3cyclictest9-21ksoftirqd/011:09:390
5199992621,3cyclictest9-21ksoftirqd/010:48:540
5199992621,3cyclictest9-21ksoftirqd/009:41:330
5199992621,3cyclictest9-21ksoftirqd/008:45:080
5199992620,4cyclictest9-21ksoftirqd/012:30:020
5200992521,2cyclictest25-21ksoftirqd/107:35:161
5200992520,3cyclictest25-21ksoftirqd/110:35:201
5200992520,3cyclictest25-21ksoftirqd/109:20:201
5199992520,3cyclictest9-21ksoftirqd/012:14:200
5199992520,3cyclictest9-21ksoftirqd/008:28:570
5199992519,4cyclictest9-21ksoftirqd/009:31:180
5199992518,5cyclictest9-21ksoftirqd/011:45:330
5199992518,4cyclictest6127-21cron08:20:010
5199992419,3cyclictest9-21ksoftirqd/012:24:460
5199992418,4cyclictest9-21ksoftirqd/007:20:410
5199992319,3cyclictest9-21ksoftirqd/009:53:360
5199992317,4cyclictest9-21ksoftirqd/010:02:030
5199992317,4cyclictest9-21ksoftirqd/009:13:540
5200992117,3cyclictest25-21ksoftirqd/109:40:281
5199992115,4cyclictest9-21ksoftirqd/011:44:330
5199991914,3cyclictest19358-21latency_hist12:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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