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2026-06-18 - 23:38
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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 Thu Jun 18, 2026 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1305822410,16sleep30-21swapper/307:05:233
136642203169,22sleep10-21swapper/107:09:081
136402203170,22sleep20-21swapper/207:08:502
135762201168,22sleep00-21swapper/007:08:000
1189621440,6sleep31403599cyclictest09:15:143
1148921410,2sleep11403399cyclictest10:20:111
28722820,2sleep12873-21mailstats07:50:251
1403299719,18cyclictest22255-21latency10:40:190
138491650,1ptp4l391rcuc/309:10:243
93382550,2sleep29339-21grep11:20:142
138491550,1ptp4l401ktimersoftd/309:22:553
322072540,4sleep1231rcuc/112:05:221
264202520,2sleep20-21swapper/207:35:132
50798470,2rtkit-daemon0-21swapper/107:32:251
50798470,10rtkit-daemon0-21swapper/112:00:261
138491440,0ptp4l401ktimersoftd/307:38:123
14032994312,18cyclictest22079-21cut09:35:180
138491430,0ptp4l401ktimersoftd/311:35:273
138491430,0ptp4l401ktimersoftd/311:10:263
138491430,0ptp4l401ktimersoftd/308:30:043
138491420,0ptp4l401ktimersoftd/312:30:143
138491420,0ptp4l401ktimersoftd/311:27:113
138491420,0ptp4l401ktimersoftd/308:15:553
138491420,0ptp4l401ktimersoftd/308:13:053
138491420,0ptp4l401ktimersoftd/307:25:303
287702410,6sleep21403499cyclictest09:50:012
224152410,2sleep10-21swapper/110:40:211
14033994134,4cyclictest23350-21cron11:49:591
138491410,0ptp4l401ktimersoftd/308:00:153
1403499400,2cyclictest0-21swapper/207:55:332
138491400,1ptp4l401ktimersoftd/309:46:473
1403499398,30cyclictest0-21swapper/207:14:042
1403499398,30cyclictest0-21swapper/207:14:042
1403499390,37cyclictest0-21swapper/207:25:332
14033993831,4cyclictest25-21ksoftirqd/107:45:461
14034993731,4cyclictest33-21ksoftirqd/210:50:112
14034993731,4cyclictest33-21ksoftirqd/210:10:312
14034993730,4cyclictest33-21ksoftirqd/209:36:582
14032993731,4cyclictest9-21ksoftirqd/012:00:000
14035993631,3cyclictest41-21ksoftirqd/310:50:113
14035993630,4cyclictest41-21ksoftirqd/310:41:323
14034993631,3cyclictest33-21ksoftirqd/210:08:302
14034993631,3cyclictest33-21ksoftirqd/209:15:112
14034993630,4cyclictest33-21ksoftirqd/211:46:182
14034993630,4cyclictest33-21ksoftirqd/211:26:042
14034993630,4cyclictest33-21ksoftirqd/210:47:582
14034993630,4cyclictest33-21ksoftirqd/209:24:132
14032993631,3cyclictest9-21ksoftirqd/010:56:380
14032993631,3cyclictest9-21ksoftirqd/010:50:000
14032993630,4cyclictest9-21ksoftirqd/007:28:040
14032993630,4cyclictest9-21ksoftirqd/007:24:150
14035993530,3cyclictest41-21ksoftirqd/309:50:113
14035993530,3cyclictest41-21ksoftirqd/309:40:023
14035993529,4cyclictest41-21ksoftirqd/309:31:283
14035993529,4cyclictest41-21ksoftirqd/308:08:113
14035993528,5cyclictest41-21ksoftirqd/310:23:273
14034993530,3cyclictest33-21ksoftirqd/210:21:252
14034993529,4cyclictest33-21ksoftirqd/212:20:362
14034993529,4cyclictest33-21ksoftirqd/211:41:562
14034993529,4cyclictest33-21ksoftirqd/211:32:092
14034993529,4cyclictest33-21ksoftirqd/207:17:552
14034993528,4cyclictest33-21ksoftirqd/212:00:302
14033993529,4cyclictest25-21ksoftirqd/112:33:341
14033993529,4cyclictest25-21ksoftirqd/111:20:581
14033993529,4cyclictest25-21ksoftirqd/109:26:131
14033993529,4cyclictest25-21ksoftirqd/107:56:221
14032993530,3cyclictest9-21ksoftirqd/011:42:390
14032993530,3cyclictest9-21ksoftirqd/010:28:570
14032993529,4cyclictest9-21ksoftirqd/011:32:400
14032993529,4cyclictest9-21ksoftirqd/009:26:110
14032993529,4cyclictest9-21ksoftirqd/008:56:180
14032993529,4cyclictest9-21ksoftirqd/007:16:410
14035993429,3cyclictest41-21ksoftirqd/311:54:123
14035993428,4cyclictest41-21ksoftirqd/312:24:233
14035993428,4cyclictest41-21ksoftirqd/312:15:123
14035993428,4cyclictest41-21ksoftirqd/312:15:123
14035993428,4cyclictest41-21ksoftirqd/311:17:153
14035993428,4cyclictest41-21ksoftirqd/308:29:143
14035993428,4cyclictest41-21ksoftirqd/307:23:593
14035993428,3cyclictest41-21ksoftirqd/311:34:363
14035993428,3cyclictest41-21ksoftirqd/309:39:583
14034993429,3cyclictest33-21ksoftirqd/210:55:382
14034993429,3cyclictest33-21ksoftirqd/209:14:342
14034993428,4cyclictest33-21ksoftirqd/210:18:052
14034993428,4cyclictest33-21ksoftirqd/209:02:182
14034993427,4cyclictest33-21ksoftirqd/208:06:262
14033993429,3cyclictest25-21ksoftirqd/110:55:101
14033993428,4cyclictest25-21ksoftirqd/112:11:321
14033993428,4cyclictest25-21ksoftirqd/112:11:321
14033993428,4cyclictest25-21ksoftirqd/111:42:111
14033993428,4cyclictest25-21ksoftirqd/111:33:581
14033993428,4cyclictest25-21ksoftirqd/111:12:321
14033993428,4cyclictest25-21ksoftirqd/111:06:371
14033993428,4cyclictest25-21ksoftirqd/109:49:471
14033993428,4cyclictest25-21ksoftirqd/108:49:051
14033993428,4cyclictest25-21ksoftirqd/108:24:591
14033993428,4cyclictest25-21ksoftirqd/107:21:081
14032993429,3cyclictest9-21ksoftirqd/011:19:590
14032993428,4cyclictest9-21ksoftirqd/012:28:040
14032993428,4cyclictest9-21ksoftirqd/012:12:110
14032993428,4cyclictest9-21ksoftirqd/012:12:110
14032993428,4cyclictest9-21ksoftirqd/012:06:420
14032993428,4cyclictest9-21ksoftirqd/011:03:120
14032993428,4cyclictest9-21ksoftirqd/010:03:540
14032993428,4cyclictest9-21ksoftirqd/009:11:390
14032993428,4cyclictest9-21ksoftirqd/009:04:240
14032993428,4cyclictest9-21ksoftirqd/007:43:090
14032993428,3cyclictest9-21ksoftirqd/012:04:240
14035993327,4cyclictest41-21ksoftirqd/311:57:233
14035993327,4cyclictest41-21ksoftirqd/311:09:443
14035993327,4cyclictest41-21ksoftirqd/310:30:093
14035993327,3cyclictest41-21ksoftirqd/307:55:243
14034993328,3cyclictest33-21ksoftirqd/210:36:452
14034993328,3cyclictest33-21ksoftirqd/208:02:472
14034993327,4cyclictest33-21ksoftirqd/212:29:182
14034993327,4cyclictest33-21ksoftirqd/212:13:172
14034993327,4cyclictest33-21ksoftirqd/212:13:172
14034993327,4cyclictest33-21ksoftirqd/209:43:232
14034993327,4cyclictest33-21ksoftirqd/208:51:222
14034993327,4cyclictest33-21ksoftirqd/208:21:182
14034993327,4cyclictest33-21ksoftirqd/208:17:282
14034993327,4cyclictest33-21ksoftirqd/208:11:322
14033993328,3cyclictest25-21ksoftirqd/108:19:311
14033993328,3cyclictest25-21ksoftirqd/107:35:101
14033993327,4cyclictest25-21ksoftirqd/110:00:591
14033993327,4cyclictest25-21ksoftirqd/109:20:421
14033993327,4cyclictest25-21ksoftirqd/108:05:121
14033993325,5cyclictest25-21ksoftirqd/110:27:021
14032993328,3cyclictest9-21ksoftirqd/011:45:100
14032993328,3cyclictest9-21ksoftirqd/009:54:480
14032993328,3cyclictest9-21ksoftirqd/009:47:290
14032993328,3cyclictest9-21ksoftirqd/009:07:510
14032993328,3cyclictest9-21ksoftirqd/007:35:270
14032993327,4cyclictest9-21ksoftirqd/012:32:450
14032993327,4cyclictest9-21ksoftirqd/011:53:540
14032993327,4cyclictest9-21ksoftirqd/008:45:320
14032993327,4cyclictest9-21ksoftirqd/008:36:450
14032993327,4cyclictest9-21ksoftirqd/008:15:390
14032993327,4cyclictest9-21ksoftirqd/008:12:420
14032993327,4cyclictest9-21ksoftirqd/007:45:100
1403299331,20cyclictest0-21swapper/009:43:090
14035993227,3cyclictest41-21ksoftirqd/312:27:103
14035993227,3cyclictest41-21ksoftirqd/310:05:103
14035993227,3cyclictest41-21ksoftirqd/308:20:213
14035993226,4cyclictest41-21ksoftirqd/310:56:043
14035993225,4cyclictest41-21ksoftirqd/307:15:443
14034993227,3cyclictest33-21ksoftirqd/210:00:592
14034993227,3cyclictest33-21ksoftirqd/208:42:482
14034993226,4cyclictest33-21ksoftirqd/211:36:112
14034993226,4cyclictest33-21ksoftirqd/211:16:212
14034993226,4cyclictest33-21ksoftirqd/211:08:392
14034993226,4cyclictest33-21ksoftirqd/211:04:342
14034993226,4cyclictest33-21ksoftirqd/208:32:292
14034993226,4cyclictest33-21ksoftirqd/208:29:362
14034993226,4cyclictest33-21ksoftirqd/207:42:432
14033993227,3cyclictest25-21ksoftirqd/110:06:111
14033993226,4cyclictest25-21ksoftirqd/111:59:331
14033993226,4cyclictest25-21ksoftirqd/110:46:271
14033993226,4cyclictest25-21ksoftirqd/110:38:131
14033993226,4cyclictest25-21ksoftirqd/109:09:561
14033993226,4cyclictest25-21ksoftirqd/107:18:311
14032993227,3cyclictest9-21ksoftirqd/012:40:000
14032993227,3cyclictest9-21ksoftirqd/010:24:160
14032993227,3cyclictest9-21ksoftirqd/010:09:230
14032993227,3cyclictest9-21ksoftirqd/007:34:310
14032993226,4cyclictest9-21ksoftirqd/010:15:380
14032993226,4cyclictest9-21ksoftirqd/008:21:040
1403299320,4cyclictest20273-21cat10:35:240
1403299320,4cyclictest16436-21latency_hist07:15:010
1403299320,4cyclictest16436-21latency_hist07:15:010
1403299320,3cyclictest21185-21latency_hist09:35:000
1403299320,2cyclictest106892chrt11:21:080
138491320,0ptp4l401ktimersoftd/311:48:273
14035993127,3cyclictest41-21ksoftirqd/308:54:113
14035993126,3cyclictest41-21ksoftirqd/310:36:573
14035993125,4cyclictest41-21ksoftirqd/312:36:253
14035993125,4cyclictest41-21ksoftirqd/309:57:203
14035993125,4cyclictest41-21ksoftirqd/309:27:353
14035993125,4cyclictest41-21ksoftirqd/308:38:403
14035993125,4cyclictest41-21ksoftirqd/307:30:483
14035993124,4cyclictest41-21ksoftirqd/311:04:303
14034993126,3cyclictest33-21ksoftirqd/212:19:252
14034993126,3cyclictest33-21ksoftirqd/212:19:252
14034993126,3cyclictest33-21ksoftirqd/212:05:132
14034993126,3cyclictest33-21ksoftirqd/211:57:512
14034993126,3cyclictest33-21ksoftirqd/209:31:082
14034993126,3cyclictest33-21ksoftirqd/209:26:152
14034993126,3cyclictest33-21ksoftirqd/207:31:562
14034993125,4cyclictest33-21ksoftirqd/211:10:072
14034993125,4cyclictest33-21ksoftirqd/209:54:452
14034993125,4cyclictest33-21ksoftirqd/208:39:082
14033993126,3cyclictest25-21ksoftirqd/111:29:011
14033993125,4cyclictest25-21ksoftirqd/111:38:381
14033993125,4cyclictest25-21ksoftirqd/109:58:421
14033993125,4cyclictest25-21ksoftirqd/109:39:201
14033993125,4cyclictest25-21ksoftirqd/109:04:061
14032993126,3cyclictest9-21ksoftirqd/011:08:040
14032993125,4cyclictest9-21ksoftirqd/009:56:230
14032993125,4cyclictest9-21ksoftirqd/009:15:320
14032993125,4cyclictest9-21ksoftirqd/008:02:020
14032993124,4cyclictest9-21ksoftirqd/011:12:540
14032993112,16cyclictest4512-21if_enp1s007:55:160
1403299310,3cyclictest8909-21grep08:05:130
1403299310,3cyclictest13726-21latency_hist11:30:000
138491310,0ptp4l401ktimersoftd/308:55:213
138491310,0ptp4l401ktimersoftd/308:49:253
14035993025,3cyclictest41-21ksoftirqd/311:44:323
14035993025,3cyclictest41-21ksoftirqd/310:01:323
14035993024,3cyclictest41-21ksoftirqd/312:01:443
14034993024,4cyclictest33-21ksoftirqd/212:32:192
14034993024,4cyclictest33-21ksoftirqd/210:42:522
1403499301,27cyclictest31338-21apt-get09:55:122
14033993024,4cyclictest25-21ksoftirqd/110:53:171
14033993024,4cyclictest25-21ksoftirqd/108:56:201
14033993024,4cyclictest25-21ksoftirqd/108:43:191
14033993024,4cyclictest25-21ksoftirqd/108:27:111
14032993025,3cyclictest9-21ksoftirqd/008:28:260
14032993024,3cyclictest9-21ksoftirqd/010:34:060
1403299300,3cyclictest8381-21taskset10:12:210
1403299300,3cyclictest6951-21irqrtprio12:20:160
1403299300,3cyclictest0-21swapper/008:40:210
1403299300,2cyclictest0-21swapper/012:20:010
1403299300,2cyclictest0-21swapper/012:20:000
138491300,0ptp4l401ktimersoftd/310:28:433
138491300,0ptp4l401ktimersoftd/310:13:503
138491300,0ptp4l401ktimersoftd/307:13:443
138491300,0ptp4l401ktimersoftd/307:13:433
14035992923,4cyclictest41-21ksoftirqd/309:04:363
14034992924,3cyclictest33-21ksoftirqd/211:51:262
14034992924,3cyclictest33-21ksoftirqd/208:55:232
14034992924,3cyclictest33-21ksoftirqd/207:46:592
14034992924,3cyclictest33-21ksoftirqd/207:24:192
14033992923,4cyclictest25-21ksoftirqd/112:22:471
14033992923,4cyclictest25-21ksoftirqd/110:15:421
14033992923,4cyclictest25-21ksoftirqd/109:43:011
14033992923,4cyclictest25-21ksoftirqd/109:34:111
14033992922,4cyclictest25-21ksoftirqd/108:50:341
1403299296,20cyclictest16888-21if_enp4s011:35:180
1403299293,20cyclictest13914-21apt-get09:20:120
1403299290,4cyclictest31574-21df08:50:120
138491290,9ptp4l0-21swapper/310:48:293
14035992823,3cyclictest41-21ksoftirqd/312:10:393
14035992823,3cyclictest41-21ksoftirqd/312:10:393
14035992823,3cyclictest41-21ksoftirqd/311:22:243
14035992823,3cyclictest41-21ksoftirqd/307:47:413
14035992822,4cyclictest41-21ksoftirqd/310:17:043
14035992822,4cyclictest41-21ksoftirqd/307:42:473
14034992822,3cyclictest33-21ksoftirqd/210:33:422
14033992823,3cyclictest25-21ksoftirqd/112:39:111
14033992823,3cyclictest25-21ksoftirqd/110:12:131
14033992823,3cyclictest25-21ksoftirqd/109:50:261
14033992822,4cyclictest25-21ksoftirqd/109:15:371
14033992822,4cyclictest25-21ksoftirqd/108:35:291
14033992822,3cyclictest25-21ksoftirqd/107:40:131
1403299280,3cyclictest26338-21cstates10:50:120
14035992721,4cyclictest41-21ksoftirqd/308:42:293
14034992720,4cyclictest33-21ksoftirqd/209:07:552
14033992722,3cyclictest25-21ksoftirqd/111:50:191
14033992722,3cyclictest25-21ksoftirqd/108:31:261
14033992722,3cyclictest25-21ksoftirqd/107:14:551
14033992722,3cyclictest25-21ksoftirqd/107:14:541
14033992721,3cyclictest25-21ksoftirqd/112:16:261
14033992721,3cyclictest25-21ksoftirqd/112:16:261
1403299279,16cyclictest1722-21df07:50:140
14032992722,3cyclictest9-21ksoftirqd/008:32:470
14035992621,3cyclictest41-21ksoftirqd/309:06:573
14034992621,3cyclictest33-21ksoftirqd/210:27:202
14034992621,3cyclictest33-21ksoftirqd/207:54:582
14034992620,4cyclictest33-21ksoftirqd/208:45:542
14033992621,3cyclictest25-21ksoftirqd/110:30:101
14033992620,4cyclictest25-21ksoftirqd/109:13:081
14035992520,3cyclictest41-21ksoftirqd/307:54:083
14035992519,4cyclictest41-21ksoftirqd/312:05:283
14034992520,3cyclictest33-21ksoftirqd/212:36:132
14033992519,4cyclictest25-21ksoftirqd/112:25:531
14033992519,4cyclictest25-21ksoftirqd/111:16:011
14033992418,3cyclictest25-21ksoftirqd/107:28:571
14033992317,4cyclictest25-21ksoftirqd/111:00:311
14033992115,4cyclictest25-21ksoftirqd/108:00:481
14033991911,4cyclictest13551-21latency_hist08:14:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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