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2026-05-30 - 11:17
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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 Sat May 30, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174542235169,22sleep00-21swapper/019:07:570
139491235169,22phc2sys0-21swapper/319:08:093
174602206172,23sleep10-21swapper/119:08:021
175282203172,20sleep20-21swapper/219:08:562
1682921670,8sleep11790499cyclictest20:15:131
139391710,0ptp4l391rcuc/322:25:233
17906996429,8cyclictest41-21ksoftirqd/300:35:143
17906995426,7cyclictest41-21ksoftirqd/300:10:293
17906995327,9cyclictest41-21ksoftirqd/321:00:183
17906995325,8cyclictest41-21ksoftirqd/323:30:183
17906995325,8cyclictest41-21ksoftirqd/323:30:183
1790699522,8cyclictest41-21ksoftirqd/322:57:323
17906995219,8cyclictest41-21ksoftirqd/322:10:003
17906995125,9cyclictest41-21ksoftirqd/323:20:223
17906995125,8cyclictest41-21ksoftirqd/321:55:123
1790699493,5cyclictest0-21swapper/321:30:253
17906994927,8cyclictest41-21ksoftirqd/323:25:133
17906994923,9cyclictest41-21ksoftirqd/320:15:183
17906994923,9cyclictest41-21ksoftirqd/319:40:183
1790699482,6cyclictest41-21ksoftirqd/323:55:013
17906994825,10cyclictest41-21ksoftirqd/300:30:233
1790699472,6cyclictest41-21ksoftirqd/319:10:273
17906994720,8cyclictest41-21ksoftirqd/300:15:133
57898460,2rtkit-daemon577-21rtkit-daemon23:41:112
1790699466,6cyclictest41-21ksoftirqd/320:50:153
1790699463,7cyclictest41-21ksoftirqd/320:40:203
17906994615,3cyclictest41-21ksoftirqd/321:54:173
1790699460,5cyclictest41-21ksoftirqd/319:30:133
1790699455,7cyclictest41-21ksoftirqd/321:45:203
1790699454,6cyclictest41-21ksoftirqd/319:20:123
1790699454,4cyclictest41-21ksoftirqd/319:50:173
1790699454,4cyclictest41-21ksoftirqd/319:45:183
1790699453,6cyclictest41-21ksoftirqd/321:40:013
1790699453,6cyclictest41-21ksoftirqd/320:10:183
1790699452,7cyclictest41-21ksoftirqd/320:30:133
1790699451,7cyclictest41-21ksoftirqd/319:55:163
1790699445,6cyclictest41-21ksoftirqd/319:35:143
17906994439,3cyclictest9054-21sh22:14:593
1790699443,5cyclictest41-21ksoftirqd/321:18:323
1790699443,5cyclictest41-21ksoftirqd/321:18:323
1790699442,6cyclictest41-21ksoftirqd/323:04:143
17906994418,8cyclictest41-21ksoftirqd/323:35:243
1790699441,7cyclictest41-21ksoftirqd/323:15:153
1790699436,7cyclictest41-21ksoftirqd/321:05:223
1790699435,8cyclictest41-21ksoftirqd/320:40:003
1790699435,7cyclictest41-21ksoftirqd/300:25:203
1790699435,6cyclictest41-21ksoftirqd/320:25:173
1790699435,6cyclictest41-21ksoftirqd/320:25:173
1790699434,4cyclictest41-21ksoftirqd/319:18:003
1790699432,6cyclictest41-21ksoftirqd/320:03:063
1790699432,5cyclictest41-21ksoftirqd/322:52:313
1790699432,5cyclictest41-21ksoftirqd/322:39:193
17906994315,9cyclictest41-21ksoftirqd/323:45:243
139391430,0ptp4l401ktimersoftd/322:48:443
1790699426,6cyclictest41-21ksoftirqd/321:40:243
1790699423,6cyclictest41-21ksoftirqd/320:45:163
1790699422,7cyclictest41-21ksoftirqd/300:01:553
57898410,2rtkit-daemon577-21rtkit-daemon20:13:332
1790699412,5cyclictest41-21ksoftirqd/323:42:063
1790699412,3cyclictest41-21ksoftirqd/322:20:173
17906994116,4cyclictest41-21ksoftirqd/320:20:433
1790699411,5cyclictest41-21ksoftirqd/321:10:503
1790699405,7cyclictest41-21ksoftirqd/322:40:153
1790699402,6cyclictest41-21ksoftirqd/322:34:463
1790699392,5cyclictest41-21ksoftirqd/322:19:383
17906993918,9cyclictest41-21ksoftirqd/323:50:123
1790699390,5cyclictest41-21ksoftirqd/321:25:133
1790699384,7cyclictest41-21ksoftirqd/323:10:213
1790699382,5cyclictest41-21ksoftirqd/320:55:133
1790699381,4cyclictest0-21swapper/320:05:183
17905993832,4cyclictest33-21ksoftirqd/221:10:002
17904993832,4cyclictest25-21ksoftirqd/121:42:071
1790699375,6cyclictest41-21ksoftirqd/321:20:193
17906993732,3cyclictest41-21ksoftirqd/323:09:593
1790699372,6cyclictest41-21ksoftirqd/322:00:193
1790699372,6cyclictest41-21ksoftirqd/322:00:193
17904993732,3cyclictest9049-21cron22:14:591
17904993732,3cyclictest25-21ksoftirqd/100:40:001
17904993731,4cyclictest25-21ksoftirqd/121:13:301
17904993731,4cyclictest25-21ksoftirqd/120:46:221
1790699363,8cyclictest41-21ksoftirqd/300:07:233
17905993630,4cyclictest33-21ksoftirqd/223:39:252
17905993630,4cyclictest33-21ksoftirqd/223:32:272
17905993630,4cyclictest33-21ksoftirqd/223:32:272
17905993630,4cyclictest33-21ksoftirqd/220:19:072
17904993630,4cyclictest25-21ksoftirqd/123:57:371
17904993630,4cyclictest25-21ksoftirqd/119:27:471
17904993629,5cyclictest25-21ksoftirqd/121:19:031
17904993629,5cyclictest25-21ksoftirqd/121:19:031
17903993627,6cyclictest9-21ksoftirqd/019:35:000
17906993531,3cyclictest41-21ksoftirqd/319:30:003
17906993530,3cyclictest41-21ksoftirqd/300:24:593
17905993530,3cyclictest33-21ksoftirqd/222:11:402
17905993530,3cyclictest33-21ksoftirqd/200:08:502
17905993529,4cyclictest33-21ksoftirqd/222:27:552
17905993529,4cyclictest33-21ksoftirqd/221:48:132
17905993529,4cyclictest33-21ksoftirqd/221:44:242
17905993529,4cyclictest33-21ksoftirqd/220:47:032
17905993529,4cyclictest33-21ksoftirqd/200:32:012
17905993528,5cyclictest33-21ksoftirqd/220:51:572
17904993529,4cyclictest25-21ksoftirqd/123:48:071
17904993529,4cyclictest25-21ksoftirqd/123:13:281
17904993529,4cyclictest25-21ksoftirqd/123:03:341
17904993529,4cyclictest25-21ksoftirqd/121:03:151
17904993529,4cyclictest25-21ksoftirqd/120:37:231
17904993528,5cyclictest25-21ksoftirqd/122:21:461
17904993528,5cyclictest25-21ksoftirqd/121:22:491
17903993529,4cyclictest9-21ksoftirqd/022:57:070
17903993529,4cyclictest9-21ksoftirqd/020:54:230
17903993522,5cyclictest9-21ksoftirqd/022:47:320
17905993429,3cyclictest33-21ksoftirqd/221:20:242
17905993428,4cyclictest33-21ksoftirqd/223:47:512
17905993428,4cyclictest33-21ksoftirqd/220:31:512
17905993427,5cyclictest33-21ksoftirqd/223:20:042
17904993429,3cyclictest25-21ksoftirqd/123:27:371
17904993428,4cyclictest25-21ksoftirqd/123:24:471
17904993428,4cyclictest25-21ksoftirqd/122:56:551
17904993428,4cyclictest25-21ksoftirqd/121:55:061
17904993428,4cyclictest25-21ksoftirqd/121:29:301
17904993428,4cyclictest25-21ksoftirqd/120:52:321
17904993427,5cyclictest25-21ksoftirqd/122:45:031
17904993427,5cyclictest25-21ksoftirqd/122:28:321
17904993427,4cyclictest25-21ksoftirqd/120:28:291
17904993427,4cyclictest25-21ksoftirqd/120:28:291
17903993429,3cyclictest9-21ksoftirqd/023:50:000
17903993428,4cyclictest9-21ksoftirqd/022:33:070
17903993428,4cyclictest9-21ksoftirqd/022:11:420
17903993428,4cyclictest9-21ksoftirqd/020:26:070
17903993428,4cyclictest9-21ksoftirqd/020:26:070
17903993428,4cyclictest9-21ksoftirqd/000:35:100
17903993428,3cyclictest9-21ksoftirqd/000:33:430
17903993421,4cyclictest9-21ksoftirqd/019:38:330
17905993328,3cyclictest33-21ksoftirqd/222:23:032
17905993328,3cyclictest33-21ksoftirqd/220:40:132
17905993328,3cyclictest33-21ksoftirqd/220:37:202
17905993327,4cyclictest33-21ksoftirqd/223:04:072
17905993327,4cyclictest33-21ksoftirqd/222:47:262
17905993327,4cyclictest33-21ksoftirqd/222:35:432
17905993327,4cyclictest33-21ksoftirqd/222:09:352
17905993327,4cyclictest33-21ksoftirqd/221:31:322
17905993327,4cyclictest33-21ksoftirqd/221:18:282
17905993327,4cyclictest33-21ksoftirqd/221:18:282
17905993327,4cyclictest33-21ksoftirqd/219:28:242
17905993327,4cyclictest33-21ksoftirqd/200:25:512
17904993328,3cyclictest25-21ksoftirqd/119:30:101
17904993327,4cyclictest25-21ksoftirqd/122:33:331
17904993327,4cyclictest25-21ksoftirqd/121:53:421
17904993327,4cyclictest25-21ksoftirqd/120:21:191
17904993327,4cyclictest25-21ksoftirqd/100:34:471
17904993326,5cyclictest25-21ksoftirqd/120:44:541
17903993327,4cyclictest9-21ksoftirqd/000:11:160
17903993327,4cyclictest9-21ksoftirqd/000:06:270
17903993327,4cyclictest9-21ksoftirqd/000:02:380
17903993327,3cyclictest9-21ksoftirqd/021:30:010
17903993327,3cyclictest9-21ksoftirqd/020:14:400
17905993227,3cyclictest33-21ksoftirqd/222:00:202
17905993227,3cyclictest33-21ksoftirqd/222:00:202
17905993227,3cyclictest33-21ksoftirqd/221:28:202
17905993226,4cyclictest33-21ksoftirqd/223:55:542
17905993226,4cyclictest33-21ksoftirqd/223:16:552
17905993226,4cyclictest33-21ksoftirqd/222:43:532
17905993226,4cyclictest33-21ksoftirqd/220:26:452
17905993226,4cyclictest33-21ksoftirqd/220:26:452
17905993226,4cyclictest33-21ksoftirqd/200:11:222
17904993227,3cyclictest25-21ksoftirqd/120:00:401
17904993227,3cyclictest25-21ksoftirqd/119:47:011
17904993226,4cyclictest25-21ksoftirqd/122:18:171
17904993226,4cyclictest25-21ksoftirqd/119:51:461
17904993226,4cyclictest25-21ksoftirqd/119:41:351
17903993227,3cyclictest9-21ksoftirqd/020:58:280
17903993226,4cyclictest9-21ksoftirqd/023:44:290
17903993226,4cyclictest9-21ksoftirqd/023:12:520
17903993226,4cyclictest9-21ksoftirqd/023:08:380
17903993226,4cyclictest9-21ksoftirqd/021:56:530
17903993226,4cyclictest9-21ksoftirqd/021:53:450
17903993226,4cyclictest9-21ksoftirqd/020:05:290
17903993226,3cyclictest9-21ksoftirqd/022:17:300
17905993127,3cyclictest33-21ksoftirqd/221:35:142
17905993126,3cyclictest33-21ksoftirqd/221:55:002
17905993126,3cyclictest33-21ksoftirqd/220:09:582
17905993126,3cyclictest33-21ksoftirqd/219:42:482
17905993126,3cyclictest33-21ksoftirqd/219:17:012
17905993126,3cyclictest33-21ksoftirqd/200:16:332
17905993125,4cyclictest33-21ksoftirqd/219:23:152
17905993125,4cyclictest33-21ksoftirqd/200:37:292
17905993125,4cyclictest33-21ksoftirqd/200:21:172
17904993126,3cyclictest29526-21cron21:50:001
17904993125,4cyclictest25-21ksoftirqd/120:13:401
17904993125,4cyclictest25-21ksoftirqd/119:58:481
17903993126,3cyclictest9-21ksoftirqd/023:50:160
17903993126,3cyclictest9-21ksoftirqd/023:31:210
17903993126,3cyclictest9-21ksoftirqd/023:31:210
17903993126,3cyclictest9-21ksoftirqd/022:20:100
17903993126,3cyclictest9-21ksoftirqd/021:32:180
17903993126,3cyclictest9-21ksoftirqd/000:26:570
17903993125,4cyclictest9-21ksoftirqd/023:20:580
17903993125,4cyclictest9-21ksoftirqd/022:09:330
17903993125,4cyclictest9-21ksoftirqd/021:06:230
17903993125,4cyclictest9-21ksoftirqd/020:43:360
17903993125,4cyclictest9-21ksoftirqd/020:32:130
17903993125,4cyclictest9-21ksoftirqd/019:58:270
17903993125,4cyclictest9-21ksoftirqd/019:21:120
17905993025,3cyclictest33-21ksoftirqd/221:01:092
17905993025,3cyclictest33-21ksoftirqd/219:58:212
17905993024,4cyclictest33-21ksoftirqd/222:31:012
17905993024,4cyclictest33-21ksoftirqd/222:16:572
17905993024,4cyclictest33-21ksoftirqd/221:58:282
17905993024,4cyclictest33-21ksoftirqd/221:14:262
17904993025,3cyclictest25-21ksoftirqd/122:01:531
17904993025,3cyclictest25-21ksoftirqd/122:01:531
17904993025,3cyclictest25-21ksoftirqd/100:15:121
17904993024,4cyclictest25-21ksoftirqd/122:53:101
17904993024,4cyclictest25-21ksoftirqd/122:44:031
17904993024,4cyclictest25-21ksoftirqd/122:06:011
17904993024,4cyclictest25-21ksoftirqd/121:35:561
17904993024,4cyclictest25-21ksoftirqd/119:22:061
1790499300,29cyclictest0-21swapper/119:14:341
17903993025,3cyclictest9-21ksoftirqd/019:26:380
17903993025,3cyclictest9-21ksoftirqd/000:15:570
17903993025,3cyclictest6587-21kworker/0:223:05:000
17903993024,4cyclictest9-21ksoftirqd/023:19:380
17903993024,4cyclictest9-21ksoftirqd/022:41:300
17903993024,4cyclictest9-21ksoftirqd/021:47:190
17903993024,4cyclictest9-21ksoftirqd/021:44:170
17903993024,4cyclictest9-21ksoftirqd/021:36:320
17903993024,4cyclictest9-21ksoftirqd/020:48:380
17903993024,4cyclictest9-21ksoftirqd/020:23:580
17903993024,3cyclictest9-21ksoftirqd/020:19:410
17903993023,5cyclictest9-21ksoftirqd/022:26:490
17903993023,4cyclictest9-21ksoftirqd/023:35:380
17905992924,3cyclictest33-21ksoftirqd/219:10:032
17905992923,4cyclictest33-21ksoftirqd/220:03:472
17905992923,4cyclictest33-21ksoftirqd/219:55:002
17904992924,3cyclictest25-21ksoftirqd/123:16:531
17904992924,3cyclictest25-21ksoftirqd/100:11:011
17904992923,4cyclictest25-21ksoftirqd/123:05:411
17904992923,4cyclictest25-21ksoftirqd/122:35:541
17904992923,4cyclictest25-21ksoftirqd/121:06:041
17904992923,4cyclictest25-21ksoftirqd/120:32:181
17904992923,4cyclictest25-21ksoftirqd/119:36:221
17904992923,4cyclictest25-21ksoftirqd/100:01:501
17903992924,3cyclictest9-21ksoftirqd/021:17:220
17903992924,3cyclictest9-21ksoftirqd/021:17:220
17903992924,3cyclictest9-21ksoftirqd/020:03:280
17905992823,3cyclictest33-21ksoftirqd/220:23:572
17905992823,3cyclictest33-21ksoftirqd/219:30:102
1790599282,24cyclictest31972-21kworker/2:023:05:282
17904992823,3cyclictest25-21ksoftirqd/100:05:561
17904992822,4cyclictest25-21ksoftirqd/123:31:181
17904992822,4cyclictest25-21ksoftirqd/123:31:181
17904992822,4cyclictest25-21ksoftirqd/119:19:131
17903992823,3cyclictest9-21ksoftirqd/022:39:520
17903992823,3cyclictest9-21ksoftirqd/021:24:160
17903992823,3cyclictest9-21ksoftirqd/020:38:030
17903992822,4cyclictest9-21ksoftirqd/023:59:290
17903992822,4cyclictest9-21ksoftirqd/019:51:170
17903992822,4cyclictest9-21ksoftirqd/019:48:320
17903992822,4cyclictest9-21ksoftirqd/019:41:100
17905992721,4cyclictest33-21ksoftirqd/219:36:272
17904992723,3cyclictest25-21ksoftirqd/100:20:131
17904992722,3cyclictest25-21ksoftirqd/121:35:001
17903992722,3cyclictest9-21ksoftirqd/019:17:030
17903992722,3cyclictest9-21ksoftirqd/019:10:110
17903992721,4cyclictest9-21ksoftirqd/000:24:030
1790599261,24cyclictest3077-21kworker/2:223:29:202
17904992621,3cyclictest25-21ksoftirqd/123:35:191
17904992620,4cyclictest25-21ksoftirqd/100:29:141
17905992519,4cyclictest33-21ksoftirqd/223:14:262
1790599251,23cyclictest3077-21kworker/2:200:03:082
17904992520,3cyclictest25-21ksoftirqd/123:54:131
17904992520,3cyclictest25-21ksoftirqd/120:56:331
17903992520,3cyclictest9-21ksoftirqd/022:51:350
17903992518,5cyclictest9-21ksoftirqd/021:00:530
1790599242,12cyclictest30339-21kworker/2:122:53:042
17905992419,3cyclictest33-21ksoftirqd/223:50:172
17905992418,4cyclictest33-21ksoftirqd/220:58:022
17903992419,3cyclictest9-21ksoftirqd/021:10:240
17905992319,3cyclictest33-21ksoftirqd/222:55:182
17905992216,4cyclictest33-21ksoftirqd/219:48:582
17903992217,3cyclictest9-21ksoftirqd/023:29:570
17903992117,3cyclictest9-21ksoftirqd/022:00:220
17903992117,3cyclictest9-21ksoftirqd/022:00:210
17904992015,3cyclictest25-21ksoftirqd/120:05:201
17904991914,3cyclictest17876-21df_abs23:40:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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