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2026-09-23 - 05:54
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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 rackdslot2.osadl.org (updated Wed Sep 23, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591231170,50phc2sys0-21swapper/319:08:253
114542225197,18sleep20-21swapper/219:07:582
114532205171,23sleep10-21swapper/119:07:571
114002205170,23sleep00-21swapper/019:07:170
3098221430,6sleep21190499cyclictest23:10:292
139291560,1ptp4l401ktimersoftd/321:52:163
139291560,1ptp4l401ktimersoftd/319:55:373
139291540,1ptp4l401ktimersoftd/321:20:013
276602510,1sleep027663-21grep19:40:250
139291510,1ptp4l401ktimersoftd/322:06:313
139291470,0ptp4l401ktimersoftd/323:26:283
1190599442,39cyclictest16166-21cron23:50:003
139291430,0ptp4l401ktimersoftd/323:15:183
139291430,0ptp4l401ktimersoftd/321:25:143
139291420,0ptp4l401ktimersoftd/322:10:343
41298410,8rtkit-daemon0-21swapper/121:21:591
41298410,8rtkit-daemon0-21swapper/022:01:500
139291410,0ptp4l401ktimersoftd/320:54:553
11903994128,10cyclictest25-21ksoftirqd/123:30:251
11905994034,4cyclictest23289-21cron00:05:003
11904994032,5cyclictest33-21ksoftirqd/220:30:582
139291390,0ptp4l401ktimersoftd/320:20:313
139291390,0ptp4l401ktimersoftd/320:20:303
11903993935,3cyclictest25-21ksoftirqd/122:20:001
11903993933,3cyclictest25-21ksoftirqd/123:10:191
139291380,0ptp4l401ktimersoftd/323:05:303
11905993832,4cyclictest41-21ksoftirqd/321:57:083
11905993832,4cyclictest41-21ksoftirqd/300:32:543
11905993832,4cyclictest41-21ksoftirqd/300:15:563
11905993831,4cyclictest41-21ksoftirqd/323:55:393
11903993833,3cyclictest25-21ksoftirqd/121:40:011
11903993833,3cyclictest25-21ksoftirqd/120:15:001
11903993832,4cyclictest25-21ksoftirqd/119:58:321
11903993831,5cyclictest25-21ksoftirqd/123:05:001
11903993831,4cyclictest25-21ksoftirqd/120:41:331
11902993832,3cyclictest9-21ksoftirqd/020:45:140
11902993831,5cyclictest9-21ksoftirqd/020:08:550
41298370,3rtkit-daemon29011-21ls20:50:280
11905993733,3cyclictest41-21ksoftirqd/319:40:003
11905993731,4cyclictest41-21ksoftirqd/322:44:463
11905993731,4cyclictest41-21ksoftirqd/322:39:133
11905993731,4cyclictest41-21ksoftirqd/300:10:473
11905993731,3cyclictest312-21rs:main3
11905993730,4cyclictest41-21ksoftirqd/300:29:333
11905993730,4cyclictest41-21ksoftirqd/300:08:513
11904993731,4cyclictest33-21ksoftirqd/219:40:552
11904993731,4cyclictest33-21ksoftirqd/219:15:482
11904993731,4cyclictest33-21ksoftirqd/200:21:142
11904993731,4cyclictest33-21ksoftirqd/200:11:312
11903993733,3cyclictest25-21ksoftirqd/123:50:001
11903993732,3cyclictest25-21ksoftirqd/122:10:011
11903993732,3cyclictest25-21ksoftirqd/122:00:161
11903993731,4cyclictest25-21ksoftirqd/120:21:351
11903993731,4cyclictest25-21ksoftirqd/120:21:341
11903993730,4cyclictest25-21ksoftirqd/122:32:251
11903993730,4cyclictest25-21ksoftirqd/100:20:041
11903993730,4cyclictest25-21ksoftirqd/100:14:191
11902993731,4cyclictest9-21ksoftirqd/023:23:110
11902993731,4cyclictest9-21ksoftirqd/021:45:460
41298360,6rtkit-daemon0-21swapper/022:34:510
11905993631,3cyclictest41-21ksoftirqd/323:40:103
11905993631,3cyclictest41-21ksoftirqd/322:21:193
11905993630,4cyclictest41-21ksoftirqd/323:00:123
11905993630,4cyclictest41-21ksoftirqd/321:46:493
11905993630,4cyclictest41-21ksoftirqd/321:44:533
11905993630,4cyclictest41-21ksoftirqd/320:56:063
11905993630,4cyclictest41-21ksoftirqd/320:09:453
11905993630,3cyclictest41-21ksoftirqd/322:30:183
11905993630,3cyclictest41-21ksoftirqd/319:10:263
11904993631,3cyclictest33-21ksoftirqd/220:37:162
11904993630,4cyclictest33-21ksoftirqd/223:39:412
11904993630,4cyclictest33-21ksoftirqd/222:22:552
11904993630,4cyclictest33-21ksoftirqd/222:01:332
11904993630,4cyclictest33-21ksoftirqd/221:49:012
11904993630,4cyclictest33-21ksoftirqd/220:41:252
11904993630,4cyclictest33-21ksoftirqd/200:38:392
11904993630,4cyclictest33-21ksoftirqd/200:33:482
11903993632,2cyclictest25-21ksoftirqd/123:25:161
11903993631,3cyclictest25-21ksoftirqd/120:50:181
11903993631,3cyclictest25-21ksoftirqd/119:40:001
11903993631,3cyclictest25-21ksoftirqd/119:35:001
11903993631,3cyclictest25-21ksoftirqd/100:40:011
11903993631,2cyclictest25-21ksoftirqd/121:30:001
11903993630,4cyclictest25-21ksoftirqd/121:49:361
11903993630,4cyclictest25-21ksoftirqd/120:18:051
11903993630,4cyclictest25-21ksoftirqd/120:04:491
11903993630,3cyclictest25-21ksoftirqd/122:55:211
11903993630,3cyclictest25-21ksoftirqd/122:55:211
11902993630,4cyclictest9-21ksoftirqd/000:20:310
139291350,0ptp4l401ktimersoftd/320:15:223
11905993530,3cyclictest41-21ksoftirqd/320:04:593
11905993529,4cyclictest41-21ksoftirqd/322:47:473
11905993529,4cyclictest41-21ksoftirqd/321:02:443
11905993529,4cyclictest41-21ksoftirqd/320:46:243
11905993529,4cyclictest41-21ksoftirqd/320:42:143
11905993529,4cyclictest41-21ksoftirqd/319:19:473
11904993530,3cyclictest33-21ksoftirqd/220:10:462
11904993529,4cyclictest33-21ksoftirqd/223:24:012
11904993529,4cyclictest33-21ksoftirqd/222:57:292
11904993529,4cyclictest33-21ksoftirqd/222:57:292
11904993529,4cyclictest33-21ksoftirqd/222:16:052
11904993529,4cyclictest33-21ksoftirqd/221:21:052
11904993529,4cyclictest33-21ksoftirqd/221:09:492
11904993529,4cyclictest33-21ksoftirqd/221:04:302
11904993529,4cyclictest33-21ksoftirqd/200:29:362
11903993531,3cyclictest25-21ksoftirqd/100:10:011
11903993530,3cyclictest25-21ksoftirqd/122:50:001
11903993530,3cyclictest25-21ksoftirqd/121:15:151
11903993530,3cyclictest25-21ksoftirqd/121:10:241
11903993530,3cyclictest25-21ksoftirqd/120:31:401
11903993529,4cyclictest25-21ksoftirqd/121:51:371
11903993528,4cyclictest25-21ksoftirqd/122:25:351
11903993528,4cyclictest25-21ksoftirqd/119:48:171
11902993530,3cyclictest9-21ksoftirqd/020:14:330
11902993529,4cyclictest9-21ksoftirqd/023:29:530
11902993529,4cyclictest9-21ksoftirqd/023:09:140
11902993529,4cyclictest9-21ksoftirqd/000:15:500
11902993528,4cyclictest9-21ksoftirqd/021:36:030
11902993528,4cyclictest9-21ksoftirqd/021:10:160
11902993527,5cyclictest9-21ksoftirqd/023:44:130
139291340,0ptp4l401ktimersoftd/323:20:223
11905993429,3cyclictest41-21ksoftirqd/320:31:123
11905993429,3cyclictest41-21ksoftirqd/320:26:303
11905993429,3cyclictest41-21ksoftirqd/319:21:053
11905993428,4cyclictest41-21ksoftirqd/320:11:533
11905993428,3cyclictest41-21ksoftirqd/300:23:593
11905993427,4cyclictest41-21ksoftirqd/323:30:593
11904993429,3cyclictest3469-21kworker/2:222:10:182
11904993429,3cyclictest33-21ksoftirqd/223:30:112
11904993429,3cyclictest33-21ksoftirqd/220:47:312
11904993429,3cyclictest33-21ksoftirqd/220:05:172
11904993428,4cyclictest33-21ksoftirqd/223:46:392
11904993428,4cyclictest33-21ksoftirqd/223:02:392
11904993428,4cyclictest33-21ksoftirqd/222:52:282
11904993428,4cyclictest33-21ksoftirqd/220:56:092
11904993428,4cyclictest33-21ksoftirqd/219:59:132
11904993428,4cyclictest33-21ksoftirqd/200:04:132
11903993431,2cyclictest25-21ksoftirqd/121:30:181
11903993430,2cyclictest25-21ksoftirqd/123:05:261
11903993429,3cyclictest25-21ksoftirqd/123:20:001
11903993429,3cyclictest25-21ksoftirqd/121:00:001
11903993429,3cyclictest25-21ksoftirqd/120:06:011
11903993429,3cyclictest25-21ksoftirqd/119:15:171
11903993428,4cyclictest25-21ksoftirqd/123:55:051
11903993428,4cyclictest25-21ksoftirqd/122:24:061
11903993428,4cyclictest25-21ksoftirqd/121:42:261
11903993428,4cyclictest25-21ksoftirqd/119:20:531
11903993427,4cyclictest25-21ksoftirqd/122:39:591
11903993427,4cyclictest25-21ksoftirqd/100:05:011
11902993429,3cyclictest9-21ksoftirqd/021:53:160
11902993428,4cyclictest9-21ksoftirqd/023:52:430
11902993428,4cyclictest9-21ksoftirqd/022:27:260
11902993428,4cyclictest9-21ksoftirqd/022:08:170
11902993428,4cyclictest9-21ksoftirqd/020:56:450
11902993428,4cyclictest9-21ksoftirqd/019:30:350
11902993427,4cyclictest9-21ksoftirqd/023:47:260
11902993427,4cyclictest9-21ksoftirqd/019:27:370
41298330,1rtkit-daemon0-21swapper/023:03:130
139291330,0ptp4l401ktimersoftd/321:30:263
11905993327,4cyclictest41-21ksoftirqd/323:10:463
11905993327,4cyclictest41-21ksoftirqd/322:17:383
11904993327,4cyclictest33-21ksoftirqd/223:54:422
11904993327,4cyclictest33-21ksoftirqd/223:29:262
11904993327,4cyclictest33-21ksoftirqd/221:40:392
11904993327,4cyclictest33-21ksoftirqd/220:21:232
11904993327,4cyclictest33-21ksoftirqd/220:21:232
11904993327,4cyclictest33-21ksoftirqd/220:17:462
11903993329,3cyclictest25-21ksoftirqd/120:40:011
11903993328,3cyclictest25-21ksoftirqd/122:40:021
11903993328,3cyclictest25-21ksoftirqd/100:19:591
11903993328,2cyclictest25-21ksoftirqd/121:05:161
11903993327,4cyclictest25-21ksoftirqd/121:01:021
11903993327,4cyclictest25-21ksoftirqd/120:46:421
11903993327,4cyclictest25-21ksoftirqd/100:25:461
11902993328,3cyclictest9-21ksoftirqd/000:10:140
11902993328,3cyclictest9-21ksoftirqd/000:05:350
11902993327,4cyclictest9-21ksoftirqd/022:43:270
11902993327,4cyclictest9-21ksoftirqd/022:16:110
11902993327,4cyclictest9-21ksoftirqd/020:01:190
11902993327,4cyclictest9-21ksoftirqd/019:57:140
11905993227,3cyclictest41-21ksoftirqd/321:37:443
11905993227,3cyclictest41-21ksoftirqd/321:14:113
11905993227,3cyclictest41-21ksoftirqd/319:32:033
11905993226,4cyclictest41-21ksoftirqd/320:39:143
11905993226,4cyclictest41-21ksoftirqd/319:55:013
11905993225,4cyclictest41-21ksoftirqd/321:19:583
11904993228,3cyclictest33-21ksoftirqd/220:25:122
11904993227,3cyclictest33-21ksoftirqd/223:57:362
11904993227,3cyclictest33-21ksoftirqd/221:31:482
11904993227,3cyclictest33-21ksoftirqd/221:26:392
11904993227,3cyclictest33-21ksoftirqd/219:10:512
11904993226,4cyclictest33-21ksoftirqd/220:50:402
11904993226,4cyclictest33-21ksoftirqd/219:34:342
11903993227,3cyclictest25-21ksoftirqd/123:52:121
11903993227,3cyclictest25-21ksoftirqd/123:20:191
11903993227,3cyclictest25-21ksoftirqd/119:26:131
11903993226,4cyclictest25-21ksoftirqd/122:50:501
11903993226,4cyclictest25-21ksoftirqd/119:42:151
11902993227,3cyclictest9-21ksoftirqd/020:32:210
11902993227,3cyclictest9-21ksoftirqd/000:02:280
11902993226,4cyclictest9-21ksoftirqd/022:55:300
11902993226,4cyclictest9-21ksoftirqd/022:55:300
11902993226,4cyclictest9-21ksoftirqd/022:24:010
11902993226,4cyclictest9-21ksoftirqd/019:18:390
11902993225,5cyclictest9-21ksoftirqd/023:38:150
139291310,0ptp4l401ktimersoftd/319:41:293
11905993126,3cyclictest41-21ksoftirqd/322:26:463
11905993126,3cyclictest41-21ksoftirqd/322:05:003
11905993125,4cyclictest41-21ksoftirqd/323:39:343
11905993125,4cyclictest41-21ksoftirqd/321:09:543
11905993125,4cyclictest41-21ksoftirqd/319:28:413
11904993126,3cyclictest33-21ksoftirqd/221:50:112
11904993126,3cyclictest33-21ksoftirqd/220:00:562
11904993126,3cyclictest33-21ksoftirqd/219:36:402
11904993125,4cyclictest33-21ksoftirqd/223:19:032
11904993125,4cyclictest33-21ksoftirqd/222:48:342
11904993125,4cyclictest33-21ksoftirqd/221:58:082
11904993125,4cyclictest33-21ksoftirqd/221:35:372
11904993125,4cyclictest33-21ksoftirqd/221:14:312
11904993125,4cyclictest33-21ksoftirqd/219:51:022
11904993124,4cyclictest33-21ksoftirqd/222:10:012
11904993124,4cyclictest33-21ksoftirqd/221:15:592
11903993127,2cyclictest25-21ksoftirqd/119:15:001
11903993126,2cyclictest25-21ksoftirqd/122:10:331
11902993126,3cyclictest9-21ksoftirqd/020:42:050
11902993125,4cyclictest9-21ksoftirqd/022:37:250
11902993125,4cyclictest9-21ksoftirqd/022:14:180
11902993125,4cyclictest9-21ksoftirqd/021:20:350
11902993125,4cyclictest9-21ksoftirqd/021:09:430
11902993125,4cyclictest9-21ksoftirqd/019:36:570
11902993124,5cyclictest9-21ksoftirqd/020:20:050
11902993124,5cyclictest9-21ksoftirqd/020:20:050
11902993124,4cyclictest9-21ksoftirqd/023:57:450
11902993124,4cyclictest9-21ksoftirqd/019:20:510
139291300,0ptp4l401ktimersoftd/319:45:443
11905993025,3cyclictest41-21ksoftirqd/322:56:143
11905993025,3cyclictest41-21ksoftirqd/322:56:143
11903993025,3cyclictest25-21ksoftirqd/123:35:271
11903993024,4cyclictest25-21ksoftirqd/123:41:011
11903993024,4cyclictest25-21ksoftirqd/120:26:241
11902993025,3cyclictest9-21ksoftirqd/023:14:480
11902993024,4cyclictest9-21ksoftirqd/022:54:420
11902993024,4cyclictest9-21ksoftirqd/019:52:430
139291290,0ptp4l401ktimersoftd/323:50:053
11904992924,3cyclictest33-21ksoftirqd/223:43:042
11904992923,4cyclictest33-21ksoftirqd/222:38:352
11903992924,3cyclictest25-21ksoftirqd/122:00:011
11903992924,3cyclictest25-21ksoftirqd/100:30:131
11903992923,4cyclictest25-21ksoftirqd/119:54:151
11902992924,3cyclictest9-21ksoftirqd/023:33:500
11902992924,3cyclictest9-21ksoftirqd/022:49:000
11902992924,3cyclictest9-21ksoftirqd/019:12:170
11902992923,4cyclictest9-21ksoftirqd/021:55:370
11902992923,4cyclictest9-21ksoftirqd/021:43:490
11902992923,4cyclictest9-21ksoftirqd/020:37:420
11902992923,4cyclictest9-21ksoftirqd/020:25:100
11902992923,4cyclictest9-21ksoftirqd/000:27:580
11902992923,3cyclictest9-21ksoftirqd/021:04:000
11904992821,4cyclictest33-21ksoftirqd/200:16:242
11902992823,3cyclictest9-21ksoftirqd/023:19:440
11902992822,4cyclictest9-21ksoftirqd/019:47:430
11905992715,9cyclictest41-21ksoftirqd/322:50:273
11904992722,3cyclictest33-21ksoftirqd/223:05:052
11902992721,3cyclictest9-21ksoftirqd/021:25:080
11904992621,3cyclictest33-21ksoftirqd/222:26:362
11904992621,3cyclictest33-21ksoftirqd/219:25:112
11902992621,3cyclictest9-21ksoftirqd/021:16:390
11902992621,3cyclictest9-21ksoftirqd/000:30:170
11902992620,3cyclictest9-21ksoftirqd/000:36:360
11904992419,3cyclictest33-21ksoftirqd/222:40:112
11904992419,3cyclictest33-21ksoftirqd/219:21:172
11904992419,3cyclictest33-21ksoftirqd/200:06:352
11902992419,3cyclictest9-21ksoftirqd/021:30:410
11904992217,3cyclictest33-21ksoftirqd/222:30:332
11904992217,3cyclictest33-21ksoftirqd/219:48:362
11902992115,4cyclictest9-21ksoftirqd/020:16:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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