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2026-06-30 - 13:57
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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 all highest latencies:
System rackdslot4.osadl.org (updated Tue Jun 30, 2026 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89872203171,21sleep10-21swapper/119:07:101
89872203171,21sleep10-21swapper/119:07:091
89162203170,22sleep00-21swapper/019:06:160
89162203170,22sleep00-21swapper/019:06:150
89502202169,22sleep20-21swapper/219:06:412
89502202169,22sleep20-21swapper/219:06:412
138591202169,22phc2sys0-21swapper/319:07:303
138591202169,22phc2sys0-21swapper/319:07:293
1967521350,4sleep3951099cyclictest20:35:123
2656421210,5sleep1950899cyclictest23:00:001
138491710,1ptp4l391rcuc/323:25:243
138491660,8ptp4l401ktimersoftd/319:31:573
142792650,4sleep30-21swapper/322:35:113
9507996230,4cyclictest9-21ksoftirqd/020:10:150
9507996229,4cyclictest9-21ksoftirqd/023:10:000
9507996223,10cyclictest9-21ksoftirqd/019:10:160
9507996122,11cyclictest9-21ksoftirqd/020:50:180
9507996122,11cyclictest9-21ksoftirqd/020:50:180
9507996026,4cyclictest9-21ksoftirqd/023:20:130
9507996024,3cyclictest9-21ksoftirqd/023:55:110
9507995930,3cyclictest9-21ksoftirqd/022:30:010
9507995928,11cyclictest9-21ksoftirqd/021:25:160
9507995927,9cyclictest9-21ksoftirqd/000:00:180
9507995926,7cyclictest9-21ksoftirqd/000:20:000
9507995926,6cyclictest9-21ksoftirqd/022:50:210
9507995827,4cyclictest9-21ksoftirqd/022:35:130
9507995827,4cyclictest9-21ksoftirqd/020:35:200
9507995826,4cyclictest9-21ksoftirqd/021:00:210
9507995824,3cyclictest9-21ksoftirqd/019:55:160
9507995823,9cyclictest9-21ksoftirqd/022:15:250
9507995822,10cyclictest9-21ksoftirqd/021:35:140
9507995729,4cyclictest9-21ksoftirqd/021:10:140
9507995728,5cyclictest9-21ksoftirqd/021:15:200
9507995728,4cyclictest9-21ksoftirqd/020:10:000
9507995727,7cyclictest9-21ksoftirqd/023:20:000
9507995726,6cyclictest9-21ksoftirqd/000:35:250
9507995726,5cyclictest9-21ksoftirqd/019:20:000
9507995726,4cyclictest9-21ksoftirqd/019:35:000
9507995724,4cyclictest9-21ksoftirqd/000:10:160
9507995724,3cyclictest9-21ksoftirqd/023:45:240
9507995722,4cyclictest9-21ksoftirqd/023:40:130
950799567,10cyclictest19188-21idleruntime-cro19:30:000
9507995627,6cyclictest9-21ksoftirqd/000:05:310
9507995625,4cyclictest9-21ksoftirqd/000:25:130
9507995623,6cyclictest9-21ksoftirqd/022:30:130
9507995623,10cyclictest9-21ksoftirqd/019:20:150
9507995622,3cyclictest9-21ksoftirqd/021:05:130
9507995619,4cyclictest9-21ksoftirqd/023:00:260
9507995619,4cyclictest9-21ksoftirqd/019:45:260
323752560,2sleep20-21swapper/223:10:162
9507995529,3cyclictest9-21ksoftirqd/019:50:260
9507995521,5cyclictest9-21ksoftirqd/020:55:290
9507995519,6cyclictest9-21ksoftirqd/022:05:130
9507995421,5cyclictest9-21ksoftirqd/022:40:130
9507995420,5cyclictest9-21ksoftirqd/022:10:240
9507995324,3cyclictest9-21ksoftirqd/019:40:170
9507995318,5cyclictest9-21ksoftirqd/023:35:130
950799525,4cyclictest9-21ksoftirqd/021:50:180
78072520,1sleep10-21swapper/123:25:201
138491520,1ptp4l391rcuc/321:40:313
950799517,8cyclictest9-21ksoftirqd/020:25:170
950799514,9cyclictest9-21ksoftirqd/021:50:000
9508995044,3cyclictest11629-21awk21:25:001
9507995010,4cyclictest9-21ksoftirqd/022:50:000
950799497,3cyclictest9-21ksoftirqd/000:25:000
950799493,6cyclictest9-21ksoftirqd/023:50:260
9507994923,3cyclictest9-21ksoftirqd/020:43:410
950799491,9cyclictest9-21ksoftirqd/020:30:210
950799486,7cyclictest9-21ksoftirqd/021:20:210
950799486,3cyclictest9-21ksoftirqd/020:00:280
950799485,6cyclictest9-21ksoftirqd/021:30:190
950799485,3cyclictest7714-21sed23:25:190
9507994830,10cyclictest9-21ksoftirqd/023:30:140
9507994814,10cyclictest9-21ksoftirqd/022:55:120
950799475,2cyclictest9-21ksoftirqd/020:45:120
950799473,8cyclictest9-21ksoftirqd/022:20:180
9507994718,5cyclictest9-21ksoftirqd/020:20:260
950799465,2cyclictest9-21ksoftirqd/021:55:240
950799464,2cyclictest9-21ksoftirqd/000:35:010
950799463,5cyclictest9-21ksoftirqd/020:15:260
950799452,5cyclictest9-21ksoftirqd/019:30:150
138491450,0ptp4l401ktimersoftd/320:53:433
138491450,0ptp4l401ktimersoftd/320:53:433
951099441,40cyclictest26710-21grep20:50:013
950799445,2cyclictest9-21ksoftirqd/021:40:240
950799442,2cyclictest121rcu_preempt23:10:130
9510994336,4cyclictest14252-21cron19:20:003
950799430,5cyclictest9-21ksoftirqd/022:00:240
138491430,0ptp4l401ktimersoftd/323:57:443
138491430,0ptp4l401ktimersoftd/321:10:193
138491430,0ptp4l401ktimersoftd/319:47:403
138491420,0ptp4l401ktimersoftd/322:50:403
9510994127,12cyclictest41-21ksoftirqd/319:29:593
138491410,0ptp4l401ktimersoftd/323:05:163
950999408,9cyclictest0-21swapper/220:00:002
138491400,1ptp4l401ktimersoftd/321:17:173
138491400,0ptp4l401ktimersoftd/322:34:333
9510993932,4cyclictest41-21ksoftirqd/321:25:003
9510993832,4cyclictest41-21ksoftirqd/322:16:583
9510993832,3cyclictest41-21ksoftirqd/322:30:003
9510993826,10cyclictest41-21ksoftirqd/323:50:113
9508993834,2cyclictest25-21ksoftirqd/120:30:011
9508993833,3cyclictest25-21ksoftirqd/120:15:001
9508993832,3cyclictest25-21ksoftirqd/120:39:591
50798380,2rtkit-daemon0-21swapper/119:15:291
9510993732,3cyclictest41-21ksoftirqd/300:40:003
9510993731,4cyclictest41-21ksoftirqd/320:33:193
9510993731,3cyclictest41-21ksoftirqd/319:40:013
9510993730,4cyclictest41-21ksoftirqd/323:04:583
9508993732,3cyclictest25-21ksoftirqd/119:59:591
9508993731,3cyclictest25-21ksoftirqd/123:20:191
9510993631,3cyclictest41-21ksoftirqd/323:40:103
9510993630,4cyclictest41-21ksoftirqd/320:06:283
9510993630,3cyclictest9308-21cron00:35:013
9509993631,3cyclictest33-21ksoftirqd/221:50:002
9509993630,4cyclictest33-21ksoftirqd/220:25:322
9509993630,4cyclictest33-21ksoftirqd/219:13:392
9509993630,4cyclictest33-21ksoftirqd/200:26:432
9509993630,4cyclictest33-21ksoftirqd/200:15:522
9509993630,4cyclictest33-21ksoftirqd/200:12:352
9508993631,3cyclictest25-21ksoftirqd/123:50:001
9508993631,3cyclictest25-21ksoftirqd/122:27:471
9508993631,3cyclictest25-21ksoftirqd/120:40:111
9508993631,2cyclictest25-21ksoftirqd/121:00:001
9508993630,4cyclictest25-21ksoftirqd/123:19:501
9508993630,4cyclictest25-21ksoftirqd/121:33:551
9508993630,4cyclictest25-21ksoftirqd/119:31:511
9510993531,2cyclictest41-21ksoftirqd/319:22:143
9510993530,3cyclictest41-21ksoftirqd/322:10:003
9510993529,4cyclictest41-21ksoftirqd/323:34:373
9510993529,4cyclictest41-21ksoftirqd/319:52:233
9509993529,4cyclictest33-21ksoftirqd/221:42:112
9509993529,4cyclictest33-21ksoftirqd/219:51:432
9508993531,3cyclictest25-21ksoftirqd/123:10:001
9508993531,2cyclictest25-21ksoftirqd/119:15:011
9508993529,4cyclictest25-21ksoftirqd/123:56:251
9508993529,4cyclictest25-21ksoftirqd/122:11:381
9508993529,4cyclictest25-21ksoftirqd/120:01:251
9508993529,3cyclictest25-21ksoftirqd/121:09:591
9508993529,3cyclictest25-21ksoftirqd/100:10:001
9508993529,3cyclictest25-21ksoftirqd/100:00:161
9508993528,4cyclictest25-21ksoftirqd/122:00:001
231782350,31sleep233-21ksoftirqd/223:55:212
9510993429,3cyclictest41-21ksoftirqd/322:40:193
9510993429,3cyclictest41-21ksoftirqd/321:25:113
9510993429,3cyclictest41-21ksoftirqd/300:00:093
9510993428,4cyclictest41-21ksoftirqd/322:56:013
9510993428,4cyclictest41-21ksoftirqd/321:30:403
9510993428,4cyclictest41-21ksoftirqd/320:44:033
9510993428,3cyclictest41-21ksoftirqd/322:00:003
9509993429,3cyclictest33-21ksoftirqd/223:15:112
9509993429,3cyclictest33-21ksoftirqd/222:25:292
9509993428,4cyclictest33-21ksoftirqd/222:31:332
9509993428,4cyclictest33-21ksoftirqd/222:24:072
9509993428,4cyclictest33-21ksoftirqd/221:00:392
9509993428,4cyclictest33-21ksoftirqd/219:28:042
9509993428,4cyclictest33-21ksoftirqd/219:24:072
9509993428,4cyclictest33-21ksoftirqd/219:17:442
9509993428,4cyclictest33-21ksoftirqd/200:08:452
9508993430,2cyclictest25-21ksoftirqd/122:15:181
9508993429,3cyclictest25-21ksoftirqd/123:50:181
9508993428,4cyclictest25-21ksoftirqd/123:43:451
9508993428,4cyclictest25-21ksoftirqd/121:54:131
9508993428,4cyclictest25-21ksoftirqd/121:44:221
9508993428,4cyclictest25-21ksoftirqd/121:11:051
9508993428,4cyclictest25-21ksoftirqd/120:53:041
9508993428,4cyclictest25-21ksoftirqd/120:53:031
9508993428,4cyclictest25-21ksoftirqd/119:44:241
9508993428,4cyclictest25-21ksoftirqd/100:25:331
9508993428,4cyclictest25-21ksoftirqd/100:21:361
9508993428,3cyclictest25-21ksoftirqd/100:15:161
138491340,0ptp4l401ktimersoftd/320:25:293
9510993328,3cyclictest41-21ksoftirqd/323:45:133
9510993328,2cyclictest41-21ksoftirqd/300:15:163
9510993327,4cyclictest41-21ksoftirqd/321:53:393
9510993327,4cyclictest41-21ksoftirqd/321:37:513
9510993327,4cyclictest41-21ksoftirqd/321:08:463
9510993327,4cyclictest41-21ksoftirqd/300:26:363
9510993326,4cyclictest41-21ksoftirqd/321:50:003
9509993328,3cyclictest33-21ksoftirqd/221:54:272
9509993327,4cyclictest33-21ksoftirqd/223:41:582
9509993327,4cyclictest33-21ksoftirqd/223:39:492
9509993327,4cyclictest33-21ksoftirqd/222:50:552
9509993327,4cyclictest33-21ksoftirqd/222:06:182
9509993327,4cyclictest33-21ksoftirqd/221:56:392
9509993327,4cyclictest33-21ksoftirqd/220:12:452
9509993327,4cyclictest33-21ksoftirqd/200:02:282
9509993326,5cyclictest33-21ksoftirqd/220:49:232
9508993328,3cyclictest25-21ksoftirqd/122:05:011
9508993327,4cyclictest25-21ksoftirqd/123:12:281
9508993327,4cyclictest25-21ksoftirqd/123:04:091
9508993327,4cyclictest25-21ksoftirqd/122:37:591
9508993327,4cyclictest25-21ksoftirqd/122:22:371
9508993327,4cyclictest25-21ksoftirqd/120:15:561
9508993327,4cyclictest25-21ksoftirqd/120:07:511
9508993327,4cyclictest25-21ksoftirqd/119:37:141
86332330,6sleep3951099cyclictest20:10:253
9510993227,3cyclictest41-21ksoftirqd/319:40:193
9510993226,4cyclictest41-21ksoftirqd/322:14:253
9510993226,4cyclictest41-21ksoftirqd/320:03:483
9510993226,4cyclictest41-21ksoftirqd/300:20:583
9510993226,3cyclictest41-21ksoftirqd/323:25:003
9509993227,3cyclictest33-21ksoftirqd/222:57:082
9509993227,3cyclictest33-21ksoftirqd/220:00:242
9509993227,3cyclictest33-21ksoftirqd/219:47:592
9509993226,4cyclictest33-21ksoftirqd/222:18:492
9509993226,4cyclictest33-21ksoftirqd/222:11:512
9509993226,4cyclictest33-21ksoftirqd/220:53:122
9509993226,4cyclictest33-21ksoftirqd/220:53:122
9508993227,3cyclictest25-21ksoftirqd/120:32:051
9508993227,3cyclictest25-21ksoftirqd/119:55:001
9508993226,4cyclictest25-21ksoftirqd/119:21:531
9508993226,4cyclictest25-21ksoftirqd/100:36:211
9508993226,4cyclictest25-21ksoftirqd/100:33:161
9508993226,3cyclictest25-21ksoftirqd/120:20:291
138491320,0ptp4l401ktimersoftd/321:00:353
138491320,0ptp4l401ktimersoftd/320:55:163
138491320,0ptp4l401ktimersoftd/319:55:223
138491320,0ptp4l401ktimersoftd/300:10:193
9510993126,3cyclictest41-21ksoftirqd/322:22:153
9510993126,3cyclictest41-21ksoftirqd/320:21:003
9510993125,4cyclictest41-21ksoftirqd/323:18:583
9510993125,4cyclictest41-21ksoftirqd/322:02:023
9510993125,4cyclictest41-21ksoftirqd/300:09:153
9509993127,2cyclictest16575-21cron21:35:002
9509993126,3cyclictest33-21ksoftirqd/223:02:482
9509993126,3cyclictest33-21ksoftirqd/220:44:002
9509993126,3cyclictest33-21ksoftirqd/220:15:452
9509993126,3cyclictest33-21ksoftirqd/200:34:592
9509993125,4cyclictest33-21ksoftirqd/222:46:062
9509993125,4cyclictest33-21ksoftirqd/221:28:242
950899314,3cyclictest25-21ksoftirqd/121:50:001
9508993126,3cyclictest25-21ksoftirqd/121:35:131
9508993126,2cyclictest25-21ksoftirqd/122:05:141
9508993125,4cyclictest25-21ksoftirqd/122:46:241
9508993125,4cyclictest25-21ksoftirqd/122:33:531
9510993025,3cyclictest41-21ksoftirqd/322:49:363
9509993025,3cyclictest33-21ksoftirqd/223:46:382
9509993025,3cyclictest33-21ksoftirqd/221:11:272
9509993025,3cyclictest33-21ksoftirqd/220:31:362
9509993024,4cyclictest33-21ksoftirqd/222:00:082
9509993024,4cyclictest33-21ksoftirqd/200:23:262
9508993026,3cyclictest25-21ksoftirqd/121:30:001
9508993025,3cyclictest25-21ksoftirqd/123:40:001
9508993024,4cyclictest25-21ksoftirqd/121:01:021
9510992924,3cyclictest41-21ksoftirqd/319:10:123
9509992924,3cyclictest33-21ksoftirqd/223:05:212
9509992924,3cyclictest33-21ksoftirqd/222:42:192
9509992924,3cyclictest33-21ksoftirqd/219:32:582
9508992923,4cyclictest25-21ksoftirqd/122:50:291
950899290,2cyclictest121rcu_preempt00:10:201
9510992823,3cyclictest41-21ksoftirqd/323:10:123
9509992824,3cyclictest33-21ksoftirqd/221:37:322
9509992823,3cyclictest33-21ksoftirqd/223:30:082
9509992823,3cyclictest33-21ksoftirqd/219:35:492
9509992823,3cyclictest33-21ksoftirqd/200:37:552
9509992822,4cyclictest33-21ksoftirqd/220:36:042
9508992824,2cyclictest25-21ksoftirqd/123:30:151
9508992824,2cyclictest25-21ksoftirqd/122:40:221
9508992823,3cyclictest25-21ksoftirqd/119:29:591
138491280,0ptp4l401ktimersoftd/323:37:583
9509992722,3cyclictest33-21ksoftirqd/220:20:322
9509992722,3cyclictest33-21ksoftirqd/219:40:112
9509992721,4cyclictest33-21ksoftirqd/223:52:252
9508992723,2cyclictest25-21ksoftirqd/119:45:121
9508992722,3cyclictest25-21ksoftirqd/120:45:171
9509992621,3cyclictest33-21ksoftirqd/222:35:132
9509992621,3cyclictest33-21ksoftirqd/221:17:232
9509992620,4cyclictest33-21ksoftirqd/223:28:102
9508992622,2cyclictest8586-21cat21:15:281
9509992520,3cyclictest33-21ksoftirqd/223:20:402
9509992418,4cyclictest33-21ksoftirqd/220:58:552
138491240,0ptp4l401ktimersoftd/320:15:193
9509992318,3cyclictest33-21ksoftirqd/221:05:092
9509992317,4cyclictest33-21ksoftirqd/220:06:392
9509992115,4cyclictest33-21ksoftirqd/221:21:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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