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2026-07-19 - 07:22
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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 792 highest latencies:
System rackdslot2.osadl.org (updated Sun Jul 19, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591231168,52phc2sys0-21swapper/319:05:113
165102207173,22sleep00-21swapper/019:08:210
163732207174,22sleep20-21swapper/219:06:382
163332206171,23sleep10-21swapper/119:06:101
739621220,7sleep21711099cyclictest00:25:192
139291590,1ptp4l401ktimersoftd/300:30:203
139291560,1ptp4l401ktimersoftd/322:03:513
1395915437,9phc2sys0-21swapper/319:10:013
139291540,1ptp4l401ktimersoftd/300:02:103
139291520,1ptp4l401ktimersoftd/323:41:313
139291510,1ptp4l391rcuc/320:47:193
139291480,1ptp4l401ktimersoftd/321:58:413
139291420,0ptp4l401ktimersoftd/322:45:043
17112994035,3cyclictest41-21ksoftirqd/321:25:003
17106994034,4cyclictest9-21ksoftirqd/020:20:000
17112993932,4cyclictest41-21ksoftirqd/321:10:313
17110993934,3cyclictest33-21ksoftirqd/220:40:002
17110993928,9cyclictest33-21ksoftirqd/223:35:262
17108993934,3cyclictest25-21ksoftirqd/120:00:001
139291390,0ptp4l401ktimersoftd/323:13:273
17112993832,4cyclictest41-21ksoftirqd/322:09:203
17112993831,5cyclictest41-21ksoftirqd/323:36:533
17112993831,4cyclictest41-21ksoftirqd/300:37:593
17110993834,3cyclictest33-21ksoftirqd/223:50:212
17106993833,3cyclictest9-21ksoftirqd/021:35:000
17106993833,3cyclictest9-21ksoftirqd/020:50:000
17106993832,3cyclictest9-21ksoftirqd/023:05:200
17112993733,3cyclictest41-21ksoftirqd/321:00:003
17112993731,4cyclictest41-21ksoftirqd/322:39:133
17112993731,4cyclictest41-21ksoftirqd/321:06:183
17112993731,4cyclictest41-21ksoftirqd/319:30:023
17112993731,3cyclictest41-21ksoftirqd/321:30:133
17110993732,3cyclictest33-21ksoftirqd/222:51:522
17110993731,4cyclictest33-21ksoftirqd/222:35:072
17110993730,5cyclictest33-21ksoftirqd/200:02:532
17110993726,9cyclictest33-21ksoftirqd/220:05:132
17108993730,4cyclictest25-21ksoftirqd/121:50:331
17106993733,3cyclictest9-21ksoftirqd/020:30:010
17106993732,3cyclictest9-21ksoftirqd/020:05:000
17106993731,4cyclictest9-21ksoftirqd/019:51:570
17106993731,3cyclictest9-21ksoftirqd/019:40:120
17112993631,3cyclictest41-21ksoftirqd/323:56:263
17112993630,4cyclictest41-21ksoftirqd/323:25:113
17112993630,4cyclictest41-21ksoftirqd/322:42:023
17112993630,4cyclictest41-21ksoftirqd/320:09:473
17112993630,4cyclictest41-21ksoftirqd/300:24:363
17112993630,4cyclictest41-21ksoftirqd/300:13:453
17110993631,3cyclictest33-21ksoftirqd/220:50:002
17110993630,4cyclictest33-21ksoftirqd/222:06:512
17110993630,4cyclictest33-21ksoftirqd/220:44:072
17110993630,4cyclictest33-21ksoftirqd/220:22:172
17110993630,4cyclictest33-21ksoftirqd/219:31:452
17110993630,3cyclictest33-21ksoftirqd/221:35:002
17110993625,9cyclictest33-21ksoftirqd/221:50:142
17108993631,3cyclictest25-21ksoftirqd/119:14:241
17108993630,4cyclictest25-21ksoftirqd/123:44:091
17108993630,4cyclictest25-21ksoftirqd/123:17:061
17108993630,4cyclictest25-21ksoftirqd/122:45:451
17108993630,4cyclictest25-21ksoftirqd/120:17:581
17108993630,4cyclictest25-21ksoftirqd/119:17:281
17108993630,4cyclictest25-21ksoftirqd/100:15:561
17108993630,4cyclictest25-21ksoftirqd/100:06:251
17108993629,4cyclictest25-21ksoftirqd/100:29:191
1710899362,31cyclictest29312-21wc19:35:131
17106993632,3cyclictest9-21ksoftirqd/022:50:000
17106993631,3cyclictest9-21ksoftirqd/023:35:210
17106993631,3cyclictest9-21ksoftirqd/021:50:000
17106993631,3cyclictest9-21ksoftirqd/021:50:000
17106993631,3cyclictest9-21ksoftirqd/021:05:130
17106993630,4cyclictest9-21ksoftirqd/022:13:150
17106993630,4cyclictest9-21ksoftirqd/021:20:310
17106993630,4cyclictest9-21ksoftirqd/019:22:060
41298350,2rtkit-daemon411-21rtkit-daemon21:05:000
41298350,2rtkit-daemon411-21rtkit-daemon19:39:260
17112993530,3cyclictest41-21ksoftirqd/319:19:313
17112993529,4cyclictest41-21ksoftirqd/322:27:303
17112993529,4cyclictest41-21ksoftirqd/321:03:413
17112993529,4cyclictest41-21ksoftirqd/320:14:593
17112993529,3cyclictest41-21ksoftirqd/322:17:483
17112993529,3cyclictest41-21ksoftirqd/320:40:003
17110993531,3cyclictest33-21ksoftirqd/200:38:462
17110993531,2cyclictest33-21ksoftirqd/220:50:192
17110993530,3cyclictest33-21ksoftirqd/220:15:102
17110993530,3cyclictest33-21ksoftirqd/220:15:002
17110993529,4cyclictest33-21ksoftirqd/223:07:292
17110993529,3cyclictest33-21ksoftirqd/222:25:132
17110993529,3cyclictest33-21ksoftirqd/221:10:122
17110993523,10cyclictest33-21ksoftirqd/222:20:262
17110993523,10cyclictest33-21ksoftirqd/222:20:262
17110993522,11cyclictest33-21ksoftirqd/220:30:012
17108993530,3cyclictest25-21ksoftirqd/121:05:361
17108993530,3cyclictest25-21ksoftirqd/100:21:251
17108993529,4cyclictest25-21ksoftirqd/122:44:171
17108993529,4cyclictest25-21ksoftirqd/119:24:381
17106993530,3cyclictest9-21ksoftirqd/023:50:210
17106993530,3cyclictest9-21ksoftirqd/023:05:000
17106993530,3cyclictest9-21ksoftirqd/019:10:190
17106993529,4cyclictest9-21ksoftirqd/020:07:100
17106993529,4cyclictest9-21ksoftirqd/019:49:050
17106993529,4cyclictest9-21ksoftirqd/000:01:300
17106993529,3cyclictest9-21ksoftirqd/022:40:010
17106993528,4cyclictest9-21ksoftirqd/023:57:570
17106993528,4cyclictest9-21ksoftirqd/020:20:240
17112993429,3cyclictest41-21ksoftirqd/323:48:053
17112993429,3cyclictest41-21ksoftirqd/321:45:093
17112993429,3cyclictest41-21ksoftirqd/321:45:093
17112993429,3cyclictest41-21ksoftirqd/300:07:553
17112993428,4cyclictest41-21ksoftirqd/319:58:383
17112993419,5cyclictest41-21ksoftirqd/319:25:173
17110993430,3cyclictest33-21ksoftirqd/200:30:232
17110993429,3cyclictest33-21ksoftirqd/223:49:012
17110993429,3cyclictest33-21ksoftirqd/222:18:442
17110993429,3cyclictest33-21ksoftirqd/219:45:092
17110993428,4cyclictest33-21ksoftirqd/222:34:072
17110993428,4cyclictest33-21ksoftirqd/221:29:082
17110993428,4cyclictest33-21ksoftirqd/200:16:242
17110993428,4cyclictest33-21ksoftirqd/200:07:142
17110993427,4cyclictest33-21ksoftirqd/223:00:002
17108993429,3cyclictest25-21ksoftirqd/122:08:011
17108993429,3cyclictest25-21ksoftirqd/121:36:361
17108993429,3cyclictest25-21ksoftirqd/120:23:161
17108993429,3cyclictest25-21ksoftirqd/119:25:151
17108993428,4cyclictest25-21ksoftirqd/122:24:551
17108993428,4cyclictest25-21ksoftirqd/122:24:551
17108993428,4cyclictest25-21ksoftirqd/120:59:541
17108993427,4cyclictest25-21ksoftirqd/119:48:371
17106993429,3cyclictest9-21ksoftirqd/022:45:010
17106993428,4cyclictest9-21ksoftirqd/020:13:200
17106993428,4cyclictest9-21ksoftirqd/019:56:440
17106993428,4cyclictest9-21ksoftirqd/019:19:440
17106993428,4cyclictest9-21ksoftirqd/000:36:490
17106993428,3cyclictest9-21ksoftirqd/021:26:330
17106993428,3cyclictest9-21ksoftirqd/019:25:150
17106993428,3cyclictest9-21ksoftirqd/000:16:040
17106993428,3cyclictest13895-21mailstats23:30:260
17106993427,4cyclictest9-21ksoftirqd/021:58:220
17106993427,4cyclictest9-21ksoftirqd/021:10:160
17106993427,4cyclictest9-21ksoftirqd/020:33:100
17112993328,3cyclictest41-21ksoftirqd/323:33:093
17112993328,3cyclictest41-21ksoftirqd/323:23:543
17112993328,3cyclictest41-21ksoftirqd/321:43:143
17112993328,3cyclictest41-21ksoftirqd/320:41:083
17112993328,3cyclictest41-21ksoftirqd/320:30:043
17112993328,3cyclictest41-21ksoftirqd/320:24:313
17112993328,3cyclictest41-21ksoftirqd/300:15:383
17110993328,3cyclictest33-21ksoftirqd/222:12:052
17110993328,3cyclictest33-21ksoftirqd/221:00:032
17110993328,3cyclictest33-21ksoftirqd/219:26:242
17110993327,4cyclictest33-21ksoftirqd/223:16:352
17110993327,4cyclictest33-21ksoftirqd/221:57:362
17110993327,4cyclictest33-21ksoftirqd/220:01:222
17110993327,4cyclictest33-21ksoftirqd/219:36:552
17110993327,4cyclictest33-21ksoftirqd/200:22:302
17108993328,3cyclictest25-21ksoftirqd/122:54:001
17108993328,3cyclictest25-21ksoftirqd/120:54:591
17108993328,3cyclictest25-21ksoftirqd/120:01:051
17108993328,3cyclictest25-21ksoftirqd/100:35:111
17108993327,4cyclictest25-21ksoftirqd/123:36:161
17108993327,4cyclictest25-21ksoftirqd/120:40:291
17108993327,4cyclictest25-21ksoftirqd/120:27:491
17108993327,3cyclictest25-21ksoftirqd/121:45:281
17108993327,3cyclictest25-21ksoftirqd/121:45:281
17108993327,3cyclictest25-21ksoftirqd/121:15:391
17108993326,4cyclictest25-21ksoftirqd/119:53:231
17106993328,3cyclictest9-21ksoftirqd/022:15:110
17106993328,3cyclictest9-21ksoftirqd/021:20:000
17106993328,3cyclictest9-21ksoftirqd/020:56:240
17106993327,3cyclictest9-21ksoftirqd/022:33:470
17106993327,3cyclictest9-21ksoftirqd/020:38:270
17106993326,4cyclictest9-21ksoftirqd/000:27:540
17112993227,3cyclictest41-21ksoftirqd/323:52:253
17112993227,3cyclictest41-21ksoftirqd/323:20:013
17112993227,3cyclictest41-21ksoftirqd/323:02:293
17112993227,3cyclictest41-21ksoftirqd/322:14:493
17112993227,3cyclictest41-21ksoftirqd/320:52:063
17112993227,3cyclictest41-21ksoftirqd/319:54:133
17112993227,3cyclictest41-21ksoftirqd/319:45:123
17112993226,4cyclictest41-21ksoftirqd/322:59:553
17112993226,4cyclictest41-21ksoftirqd/321:37:153
17112993226,4cyclictest41-21ksoftirqd/320:29:523
17112993226,4cyclictest41-21ksoftirqd/320:19:493
17112993226,4cyclictest41-21ksoftirqd/319:39:103
17112993226,3cyclictest41-21ksoftirqd/322:20:213
17112993226,3cyclictest41-21ksoftirqd/322:20:213
17110993227,3cyclictest33-21ksoftirqd/222:48:382
17110993227,3cyclictest33-21ksoftirqd/221:44:222
17108993227,3cyclictest25-21ksoftirqd/123:46:421
17108993227,3cyclictest25-21ksoftirqd/123:27:171
17108993227,3cyclictest25-21ksoftirqd/123:07:441
17108993227,3cyclictest25-21ksoftirqd/121:03:191
17108993227,3cyclictest25-21ksoftirqd/120:33:551
17108993226,4cyclictest25-21ksoftirqd/123:59:191
17108993226,4cyclictest25-21ksoftirqd/123:32:191
17108993226,4cyclictest25-21ksoftirqd/122:55:121
17108993226,4cyclictest25-21ksoftirqd/122:39:511
17108993226,4cyclictest25-21ksoftirqd/122:16:371
17108993226,4cyclictest25-21ksoftirqd/121:40:541
17108993226,4cyclictest25-21ksoftirqd/120:06:161
17106993227,3cyclictest9-21ksoftirqd/023:20:210
17106993227,3cyclictest9-21ksoftirqd/022:51:220
17106993227,3cyclictest9-21ksoftirqd/022:01:510
17106993227,3cyclictest9-21ksoftirqd/000:15:000
17106993226,4cyclictest9-21ksoftirqd/023:45:380
17106993226,4cyclictest9-21ksoftirqd/023:27:000
17106993226,4cyclictest9-21ksoftirqd/020:41:000
17106993226,3cyclictest9-21ksoftirqd/022:55:200
17112993127,3cyclictest41-21ksoftirqd/321:15:243
17112993126,3cyclictest41-21ksoftirqd/323:07:203
17112993126,3cyclictest41-21ksoftirqd/319:40:173
17112993126,3cyclictest41-21ksoftirqd/319:20:153
17110993126,3cyclictest33-21ksoftirqd/223:55:452
17110993126,3cyclictest33-21ksoftirqd/221:15:362
17110993126,3cyclictest33-21ksoftirqd/220:31:512
17110993126,3cyclictest33-21ksoftirqd/219:17:302
17110993125,4cyclictest33-21ksoftirqd/221:35:182
17108993125,4cyclictest25-21ksoftirqd/123:11:531
17108993125,4cyclictest25-21ksoftirqd/122:14:401
17106993126,3cyclictest9-21ksoftirqd/023:12:440
17106993126,3cyclictest9-21ksoftirqd/019:30:170
17106993126,3cyclictest9-21ksoftirqd/000:20:200
17106993125,4cyclictest9-21ksoftirqd/020:51:190
17106993125,3cyclictest9-21ksoftirqd/021:40:170
139291310,0ptp4l401ktimersoftd/322:50:363
139291310,0ptp4l401ktimersoftd/322:31:243
17112993024,4cyclictest41-21ksoftirqd/321:29:413
17110993025,3cyclictest33-21ksoftirqd/221:08:342
17110993025,3cyclictest33-21ksoftirqd/219:55:212
17110993025,3cyclictest33-21ksoftirqd/219:43:292
17110993025,3cyclictest33-21ksoftirqd/219:12:082
17110993018,10cyclictest33-21ksoftirqd/222:40:132
17108993025,3cyclictest25-21ksoftirqd/122:30:131
17108993025,3cyclictest25-21ksoftirqd/122:00:011
17108993025,3cyclictest25-21ksoftirqd/121:31:331
17108993025,3cyclictest25-21ksoftirqd/121:27:391
17108993025,3cyclictest25-21ksoftirqd/120:47:111
17108993025,3cyclictest25-21ksoftirqd/100:02:061
17108993024,4cyclictest25-21ksoftirqd/122:04:451
17108993024,4cyclictest25-21ksoftirqd/120:14:301
17108993024,4cyclictest25-21ksoftirqd/100:10:461
17106993026,2cyclictest9-21ksoftirqd/022:05:180
17106993025,3cyclictest9-21ksoftirqd/023:41:040
17106993025,3cyclictest9-21ksoftirqd/000:35:010
17106993024,4cyclictest9-21ksoftirqd/021:50:560
139291300,0ptp4l401ktimersoftd/320:00:193
17110992924,3cyclictest33-21ksoftirqd/223:41:192
17110992924,3cyclictest33-21ksoftirqd/200:11:292
17110992924,2cyclictest33-21ksoftirqd/222:05:012
17110992923,4cyclictest33-21ksoftirqd/219:50:082
17108992924,3cyclictest25-21ksoftirqd/120:38:001
17108992923,4cyclictest25-21ksoftirqd/123:53:011
17108992923,4cyclictest25-21ksoftirqd/121:10:531
17106992924,3cyclictest9-21ksoftirqd/023:20:010
17106992823,3cyclictest9-21ksoftirqd/022:25:130
17106992823,3cyclictest9-21ksoftirqd/000:07:080
17106992822,4cyclictest9-21ksoftirqd/021:36:080
17112992721,4cyclictest41-21ksoftirqd/321:53:243
17110992722,3cyclictest33-21ksoftirqd/221:21:382
17110992721,4cyclictest33-21ksoftirqd/223:01:392
17110992621,2cyclictest33-21ksoftirqd/223:30:002
17110992620,3cyclictest33-21ksoftirqd/223:15:012
17110992615,9cyclictest33-21ksoftirqd/221:45:272
17110992615,9cyclictest33-21ksoftirqd/221:45:272
17108992621,3cyclictest25-21ksoftirqd/123:24:101
17108992621,3cyclictest25-21ksoftirqd/122:25:111
17108992621,3cyclictest25-21ksoftirqd/119:40:441
17108992621,3cyclictest25-21ksoftirqd/119:30:391
17108992620,4cyclictest25-21ksoftirqd/100:31:121
17108992619,5cyclictest25-21ksoftirqd/123:02:421
17112992521,2cyclictest41-21ksoftirqd/300:25:263
17110992521,3cyclictest33-21ksoftirqd/223:35:002
17110992521,3cyclictest33-21ksoftirqd/219:20:192
17106992419,3cyclictest9-21ksoftirqd/022:20:200
17106992419,3cyclictest9-21ksoftirqd/022:20:200
17110992216,3cyclictest33-21ksoftirqd/220:55:132
17110992116,3cyclictest33-21ksoftirqd/223:21:252
17108991914,3cyclictest25-21ksoftirqd/121:22:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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