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2026-04-11 - 22:50
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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 rackdslot4.osadl.org (updated Sat Apr 11, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
627122760,8sleep26301-21multi.sh07:07:482
214922580,7sleep30-21swapper/307:07:423
305722310,11sleep00-21swapper/007:06:430
1686922280,5sleep116904-21multi.sh07:09:091
365921310,3sleep090299cyclictest07:15:030
1385918161,11phc2sys0-21swapper/307:10:003
55162620,1sleep05519-21sort11:35:190
903995929,7cyclictest25-21ksoftirqd/110:30:141
903995724,7cyclictest25-21ksoftirqd/108:40:001
138491570,9ptp4l401ktimersoftd/307:53:533
903995629,7cyclictest25-21ksoftirqd/112:35:241
903995623,5cyclictest25-21ksoftirqd/107:25:131
183152560,2sleep20-21swapper/208:50:012
903995427,7cyclictest25-21ksoftirqd/110:20:241
903995425,7cyclictest25-21ksoftirqd/108:25:011
903995420,7cyclictest25-21ksoftirqd/111:45:211
138491540,1ptp4l401ktimersoftd/308:42:583
138491540,1ptp4l401ktimersoftd/308:42:583
90399535,4cyclictest25-21ksoftirqd/110:00:171
903995324,7cyclictest25-21ksoftirqd/112:05:001
90399525,4cyclictest25-21ksoftirqd/110:35:271
903995220,7cyclictest25-21ksoftirqd/108:40:121
903995220,7cyclictest25-21ksoftirqd/108:40:121
90399517,7cyclictest25-21ksoftirqd/110:10:221
90399516,4cyclictest25-21ksoftirqd/110:15:231
90399516,4cyclictest25-21ksoftirqd/107:50:251
90399515,4cyclictest25-21ksoftirqd/109:50:251
90399515,4cyclictest25-21ksoftirqd/108:50:261
90399512,10cyclictest25-21ksoftirqd/111:05:141
903995118,7cyclictest25-21ksoftirqd/111:52:311
903995115,6cyclictest25-21ksoftirqd/111:25:231
90399505,8cyclictest25-21ksoftirqd/108:05:131
90399505,4cyclictest25-21ksoftirqd/111:35:161
90399505,3cyclictest25-21ksoftirqd/109:30:241
903995023,7cyclictest25-21ksoftirqd/107:35:211
903995021,8cyclictest25-21ksoftirqd/108:25:171
904994915,32cyclictest0-21swapper/207:55:242
90399496,6cyclictest25-21ksoftirqd/108:15:151
90399495,9cyclictest25-21ksoftirqd/110:45:241
90399495,8cyclictest25-21ksoftirqd/111:00:251
90399495,7cyclictest25-21ksoftirqd/111:55:211
90399495,3cyclictest25-21ksoftirqd/111:15:191
90399495,3cyclictest25-21ksoftirqd/108:45:011
90399494,9cyclictest25-21ksoftirqd/108:30:151
90399493,5cyclictest25-21ksoftirqd/112:20:151
90399493,4cyclictest25-21ksoftirqd/107:15:261
90399492,4cyclictest25-21ksoftirqd/107:30:141
138491490,0ptp4l391rcuc/311:35:173
90399486,8cyclictest25-21ksoftirqd/109:40:001
90399485,8cyclictest25-21ksoftirqd/112:05:241
90399485,7cyclictest25-21ksoftirqd/107:10:161
90399484,8cyclictest25-21ksoftirqd/109:05:201
90399483,4cyclictest25-21ksoftirqd/111:20:191
90399482,5cyclictest25-21ksoftirqd/111:30:151
903994818,7cyclictest25-21ksoftirqd/109:47:391
90399475,7cyclictest25-21ksoftirqd/107:45:001
90399465,8cyclictest0-21swapper/112:10:151
90399465,6cyclictest25-21ksoftirqd/109:25:191
90399465,6cyclictest25-21ksoftirqd/108:10:141
90399465,6cyclictest25-21ksoftirqd/107:50:001
90399464,7cyclictest25-21ksoftirqd/110:50:131
90399462,9cyclictest25-21ksoftirqd/108:55:011
90399462,7cyclictest25-21ksoftirqd/107:58:151
90499450,43cyclictest0-21swapper/211:45:242
90399456,7cyclictest25-21ksoftirqd/109:02:511
90399455,7cyclictest25-21ksoftirqd/110:25:151
90399455,7cyclictest25-21ksoftirqd/107:20:251
90399455,7cyclictest25-21ksoftirqd/107:20:251
90399454,7cyclictest25-21ksoftirqd/112:25:211
90399453,6cyclictest25-21ksoftirqd/111:40:231
90399453,4cyclictest25-21ksoftirqd/111:10:161
90399452,6cyclictest25-21ksoftirqd/112:30:201
90399452,6cyclictest25-21ksoftirqd/109:55:201
903994517,7cyclictest25-21ksoftirqd/110:43:121
904994415,27cyclictest0-21swapper/208:15:232
90399445,7cyclictest25-21ksoftirqd/110:55:181
90399442,9cyclictest25-21ksoftirqd/109:15:131
90399441,5cyclictest25-21ksoftirqd/109:20:251
90399432,5cyclictest0-21swapper/112:15:241
138491430,0ptp4l401ktimersoftd/309:32:153
904994236,3cyclictest25702-21cron10:10:002
904994222,17cyclictest33-21ksoftirqd/212:31:382
90399423,6cyclictest25-21ksoftirqd/110:05:151
90399422,7cyclictest25-21ksoftirqd/108:00:251
90399421,8cyclictest25-21ksoftirqd/109:10:221
90399414,9cyclictest25-21ksoftirqd/109:35:211
138491410,0ptp4l401ktimersoftd/308:06:133
90499380,36cyclictest14049-21cron11:55:002
50798380,2rtkit-daemon0-21swapper/207:17:102
138491380,1ptp4l401ktimersoftd/310:04:313
134991380,2getstats0-21swapper/307:25:173
905993731,4cyclictest41-21ksoftirqd/311:05:133
905993731,3cyclictest41-21ksoftirqd/310:30:013
905993730,4cyclictest41-21ksoftirqd/309:07:393
905993730,4cyclictest41-21ksoftirqd/308:22:423
904993732,3cyclictest33-21ksoftirqd/208:59:592
904993731,4cyclictest33-21ksoftirqd/210:11:012
904993731,4cyclictest33-21ksoftirqd/209:47:142
904993730,4cyclictest33-21ksoftirqd/211:26:022
904993730,4cyclictest33-21ksoftirqd/210:38:562
902993730,4cyclictest9-21ksoftirqd/012:04:200
902993730,4cyclictest9-21ksoftirqd/007:20:450
902993730,4cyclictest9-21ksoftirqd/007:20:450
905993629,4cyclictest41-21ksoftirqd/312:31:063
905993629,4cyclictest41-21ksoftirqd/311:04:413
902993630,4cyclictest9-21ksoftirqd/009:46:470
902993630,4cyclictest9-21ksoftirqd/007:37:420
902993629,4cyclictest9-21ksoftirqd/011:25:550
902993629,4cyclictest9-21ksoftirqd/011:21:220
138491360,0ptp4l401ktimersoftd/309:17:563
905993529,4cyclictest41-21ksoftirqd/311:30:013
905993529,4cyclictest41-21ksoftirqd/308:27:313
905993529,3cyclictest41-21ksoftirqd/307:22:543
905993529,3cyclictest41-21ksoftirqd/307:22:543
904993530,3cyclictest33-21ksoftirqd/212:20:132
904993529,4cyclictest33-21ksoftirqd/211:32:242
904993529,4cyclictest33-21ksoftirqd/211:19:282
904993529,4cyclictest33-21ksoftirqd/210:00:382
904993529,4cyclictest33-21ksoftirqd/208:35:512
904993528,4cyclictest33-21ksoftirqd/207:41:052
902993530,3cyclictest9-21ksoftirqd/010:25:460
902993530,3cyclictest9-21ksoftirqd/007:34:500
902993529,4cyclictest9-21ksoftirqd/011:32:090
902993529,4cyclictest9-21ksoftirqd/010:03:120
902993529,4cyclictest9-21ksoftirqd/009:53:500
902993529,4cyclictest9-21ksoftirqd/009:43:540
902993529,4cyclictest9-21ksoftirqd/008:10:430
902993529,3cyclictest9-21ksoftirqd/008:50:120
902993528,4cyclictest9-21ksoftirqd/012:30:550
902993528,4cyclictest9-21ksoftirqd/009:22:360
902993528,4cyclictest9-21ksoftirqd/008:03:450
902993528,4cyclictest9-21ksoftirqd/007:44:000
264162350,8sleep0223-21systemd-journal12:19:590
138491350,0ptp4l401ktimersoftd/312:10:263
138491350,0ptp4l401ktimersoftd/310:10:133
905993429,3cyclictest41-21ksoftirqd/310:36:013
905993428,4cyclictest41-21ksoftirqd/310:08:563
905993428,4cyclictest41-21ksoftirqd/309:48:273
905993428,4cyclictest41-21ksoftirqd/309:13:483
905993428,3cyclictest41-21ksoftirqd/310:15:123
905993428,3cyclictest41-21ksoftirqd/309:55:403
905993427,4cyclictest41-21ksoftirqd/312:36:153
905993427,4cyclictest41-21ksoftirqd/311:19:543
905993427,4cyclictest41-21ksoftirqd/307:15:023
90499345,27cyclictest0-21swapper/211:00:342
904993428,4cyclictest33-21ksoftirqd/211:38:582
904993428,4cyclictest33-21ksoftirqd/210:20:112
904993428,4cyclictest33-21ksoftirqd/209:44:242
904993428,4cyclictest33-21ksoftirqd/209:19:052
904993428,4cyclictest33-21ksoftirqd/208:26:302
904993428,4cyclictest33-21ksoftirqd/208:21:242
904993428,4cyclictest33-21ksoftirqd/207:48:112
904993428,4cyclictest33-21ksoftirqd/207:22:312
904993428,4cyclictest33-21ksoftirqd/207:22:312
904993428,3cyclictest33-21ksoftirqd/212:06:272
904993427,4cyclictest33-21ksoftirqd/212:02:572
904993427,4cyclictest33-21ksoftirqd/209:32:282
904993427,4cyclictest33-21ksoftirqd/207:11:482
902993429,3cyclictest9-21ksoftirqd/010:53:070
902993428,4cyclictest9-21ksoftirqd/011:41:370
902993428,4cyclictest9-21ksoftirqd/011:18:010
902993428,4cyclictest9-21ksoftirqd/010:23:570
902993428,4cyclictest9-21ksoftirqd/010:19:010
902993428,4cyclictest9-21ksoftirqd/008:05:340
902993428,4cyclictest9-21ksoftirqd/007:54:390
902993428,3cyclictest9-21ksoftirqd/007:56:190
902993427,4cyclictest9-21ksoftirqd/012:39:060
902993427,4cyclictest9-21ksoftirqd/012:05:320
902993427,4cyclictest9-21ksoftirqd/009:29:060
902993427,4cyclictest9-21ksoftirqd/008:23:110
50798340,7rtkit-daemon0-21swapper/308:37:013
50798340,5rtkit-daemon30786-21latency_hist09:15:002
905993328,3cyclictest41-21ksoftirqd/308:33:513
905993327,4cyclictest41-21ksoftirqd/309:21:313
904993327,4cyclictest33-21ksoftirqd/212:37:482
904993327,3cyclictest33-21ksoftirqd/208:41:382
904993327,3cyclictest33-21ksoftirqd/208:41:382
904993326,4cyclictest33-21ksoftirqd/210:29:172
904993326,4cyclictest33-21ksoftirqd/208:01:072
904993325,5cyclictest33-21ksoftirqd/207:33:432
902993327,4cyclictest9-21ksoftirqd/012:11:090
902993327,4cyclictest9-21ksoftirqd/009:58:590
902993327,4cyclictest9-21ksoftirqd/009:12:170
902993327,4cyclictest9-21ksoftirqd/008:49:150
902993327,4cyclictest9-21ksoftirqd/008:41:280
902993327,4cyclictest9-21ksoftirqd/008:41:280
138491330,0ptp4l401ktimersoftd/311:45:133
905993227,3cyclictest41-21ksoftirqd/308:04:483
905993226,4cyclictest41-21ksoftirqd/311:44:523
905993226,4cyclictest41-21ksoftirqd/309:04:023
905993225,4cyclictest41-21ksoftirqd/309:28:133
904993227,3cyclictest33-21ksoftirqd/210:16:042
904993227,3cyclictest33-21ksoftirqd/209:06:042
904993226,4cyclictest33-21ksoftirqd/211:22:242
904993226,4cyclictest33-21ksoftirqd/207:25:442
904993225,5cyclictest33-21ksoftirqd/211:43:282
904993225,4cyclictest33-21ksoftirqd/210:56:302
904993225,4cyclictest33-21ksoftirqd/209:37:182
904993225,4cyclictest33-21ksoftirqd/207:53:362
904993212,4cyclictest17858-21seq09:52:372
902993227,3cyclictest9-21ksoftirqd/010:47:250
902993227,3cyclictest9-21ksoftirqd/010:05:110
902993226,4cyclictest9-21ksoftirqd/010:11:270
902993226,4cyclictest9-21ksoftirqd/007:47:280
905993125,4cyclictest41-21ksoftirqd/311:51:063
905993125,4cyclictest41-21ksoftirqd/311:21:143
905993125,4cyclictest41-21ksoftirqd/307:37:003
904993126,3cyclictest33-21ksoftirqd/208:54:502
904993125,4cyclictest33-21ksoftirqd/211:56:112
904993125,4cyclictest33-21ksoftirqd/210:51:042
904993125,4cyclictest33-21ksoftirqd/209:21:062
902993126,3cyclictest9-21ksoftirqd/011:50:520
902993125,4cyclictest9-21ksoftirqd/008:16:250
902993125,4cyclictest9-21ksoftirqd/007:11:460
138491310,0ptp4l401ktimersoftd/310:34:503
138491310,0ptp4l401ktimersoftd/307:30:233
905993025,3cyclictest41-21ksoftirqd/310:20:113
905993024,3cyclictest41-21ksoftirqd/307:57:593
904993025,3cyclictest33-21ksoftirqd/212:26:152
904993025,3cyclictest33-21ksoftirqd/210:40:542
904993024,4cyclictest33-21ksoftirqd/209:28:322
902993024,4cyclictest9-21ksoftirqd/011:03:190
902993024,4cyclictest9-21ksoftirqd/010:35:490
902993023,4cyclictest9-21ksoftirqd/007:26:060
138491300,1ptp4l401ktimersoftd/309:39:203
138491300,0ptp4l401ktimersoftd/312:26:063
138491300,0ptp4l401ktimersoftd/309:50:113
138491300,0ptp4l401ktimersoftd/308:59:183
138491300,0ptp4l401ktimersoftd/308:10:253
138491300,0ptp4l401ktimersoftd/307:49:543
905992924,3cyclictest41-21ksoftirqd/312:00:003
905992923,4cyclictest41-21ksoftirqd/308:46:133
905992921,5cyclictest41-21ksoftirqd/310:53:133
904992923,4cyclictest33-21ksoftirqd/211:07:562
904992923,4cyclictest33-21ksoftirqd/209:03:122
904992923,3cyclictest33-21ksoftirqd/211:13:532
904992923,3cyclictest33-21ksoftirqd/208:10:112
902992924,3cyclictest9-21ksoftirqd/008:29:480
902992923,4cyclictest9-21ksoftirqd/008:33:420
902992923,3cyclictest9-21ksoftirqd/010:34:360
902992922,4cyclictest9-21ksoftirqd/012:29:140
902992922,4cyclictest9-21ksoftirqd/009:07:120
902992922,4cyclictest9-21ksoftirqd/009:03:020
902992922,4cyclictest9-21ksoftirqd/008:36:190
138491290,2ptp4l0-21swapper/312:05:103
138491290,0ptp4l401ktimersoftd/312:03:223
138491290,0ptp4l401ktimersoftd/308:15:593
905992823,3cyclictest41-21ksoftirqd/310:40:503
905992822,4cyclictest41-21ksoftirqd/312:15:463
905992822,4cyclictest41-21ksoftirqd/310:56:143
905992822,4cyclictest41-21ksoftirqd/310:45:203
905992821,4cyclictest41-21ksoftirqd/307:40:463
904992823,3cyclictest33-21ksoftirqd/210:33:502
902992823,3cyclictest9-21ksoftirqd/012:20:070
902992823,3cyclictest9-21ksoftirqd/011:46:470
902992822,4cyclictest9-21ksoftirqd/011:07:500
138491280,0ptp4l401ktimersoftd/308:52:433
904992722,3cyclictest33-21ksoftirqd/210:46:432
904992721,3cyclictest33-21ksoftirqd/207:35:442
90499270,2cyclictest0-21swapper/209:56:522
902992721,4cyclictest9-21ksoftirqd/011:10:390
902992621,3cyclictest9-21ksoftirqd/010:40:110
138491260,0ptp4l401ktimersoftd/312:20:033
905992520,3cyclictest41-21ksoftirqd/309:43:133
90499257,17cyclictest0-21swapper/212:14:282
904992519,4cyclictest33-21ksoftirqd/212:15:482
90499250,23cyclictest8324-21apt-get08:30:122
902992520,3cyclictest9-21ksoftirqd/010:55:210
902992520,3cyclictest9-21ksoftirqd/009:39:560
902992519,4cyclictest9-21ksoftirqd/009:16:100
902992519,3cyclictest9-21ksoftirqd/008:56:560
138491250,0ptp4l401ktimersoftd/311:30:033
904992419,3cyclictest33-21ksoftirqd/208:05:292
138491230,0ptp4l401ktimersoftd/311:10:023
902992217,3cyclictest9-21ksoftirqd/009:34:070
902992015,3cyclictest1303-21runrttasks11:55:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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