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2025-11-25 - 07:40
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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 Tue Nov 25, 2025 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165072221161,50sleep00-21swapper/019:06:400
137191210146,52phc2sys0-21swapper/319:08:233
166602203169,22sleep10-21swapper/119:08:331
146342203170,22sleep20-21swapper/219:05:062
2884021380,6sleep01706499cyclictest22:55:160
153502600,1sleep10-21swapper/121:20:151
136991570,1ptp4l401ktimersoftd/320:40:443
136991570,1ptp4l401ktimersoftd/319:55:363
136991550,1ptp4l401ktimersoftd/300:19:233
84282530,2sleep28432-21sed22:10:262
202042530,2sleep20-21swapper/222:35:262
136991530,1ptp4l401ktimersoftd/322:55:223
245132500,2sleep30-21swapper/323:55:143
153892490,2sleep30-21swapper/320:11:373
136991430,0ptp4l401ktimersoftd/319:50:213
136991420,0ptp4l401ktimersoftd/322:20:133
136991420,0ptp4l401ktimersoftd/322:15:543
136991410,1ptp4l401ktimersoftd/322:33:543
136991390,0ptp4l401ktimersoftd/320:36:393
17065993832,4cyclictest25-21ksoftirqd/123:10:001
17064993834,2cyclictest0-21swapper/019:10:010
17067993730,5cyclictest41-21ksoftirqd/323:03:313
17066993731,4cyclictest33-21ksoftirqd/220:06:422
136991370,0ptp4l401ktimersoftd/321:35:013
17066993630,4cyclictest33-21ksoftirqd/223:54:452
17066993630,4cyclictest33-21ksoftirqd/200:39:332
17066993629,5cyclictest33-21ksoftirqd/221:24:532
17065993631,3cyclictest25-21ksoftirqd/121:35:001
17065993629,5cyclictest25-21ksoftirqd/122:52:341
17064993630,4cyclictest9-21ksoftirqd/022:49:240
17067993529,4cyclictest41-21ksoftirqd/321:03:483
17067993529,4cyclictest41-21ksoftirqd/300:38:183
17067993528,4cyclictest41-21ksoftirqd/322:43:213
17066993529,4cyclictest33-21ksoftirqd/223:24:512
17065993530,3cyclictest25-21ksoftirqd/123:48:041
17065993529,4cyclictest25-21ksoftirqd/122:57:031
17065993529,4cyclictest25-21ksoftirqd/120:19:371
17065993529,4cyclictest25-21ksoftirqd/100:12:571
17065993528,4cyclictest25-21ksoftirqd/123:41:001
17065993528,4cyclictest25-21ksoftirqd/122:25:121
17064993529,4cyclictest9-21ksoftirqd/021:36:310
17064993529,4cyclictest9-21ksoftirqd/020:35:290
17064993528,4cyclictest9-21ksoftirqd/023:40:100
17067993428,4cyclictest41-21ksoftirqd/323:54:453
17067993428,4cyclictest41-21ksoftirqd/323:14:263
17067993428,4cyclictest41-21ksoftirqd/322:38:433
17067993428,4cyclictest41-21ksoftirqd/320:56:023
17067993428,4cyclictest41-21ksoftirqd/320:47:513
17067993428,4cyclictest41-21ksoftirqd/320:00:503
17067993428,4cyclictest41-21ksoftirqd/300:01:443
17066993429,3cyclictest33-21ksoftirqd/222:17:102
17066993428,4cyclictest33-21ksoftirqd/223:59:262
17066993428,4cyclictest33-21ksoftirqd/222:44:362
17066993428,4cyclictest33-21ksoftirqd/222:20:452
17066993428,4cyclictest33-21ksoftirqd/221:12:582
17066993428,4cyclictest33-21ksoftirqd/220:43:132
17066993428,4cyclictest33-21ksoftirqd/220:25:322
17066993428,4cyclictest33-21ksoftirqd/220:25:322
17066993428,4cyclictest33-21ksoftirqd/219:58:572
17066993427,5cyclictest33-21ksoftirqd/219:18:482
17066993426,5cyclictest33-21ksoftirqd/219:45:122
17065993429,3cyclictest25-21ksoftirqd/122:42:021
17065993429,3cyclictest25-21ksoftirqd/121:10:121
17065993428,4cyclictest25-21ksoftirqd/120:54:351
17065993428,4cyclictest25-21ksoftirqd/119:22:051
17065993428,4cyclictest25-21ksoftirqd/119:22:041
17065993427,4cyclictest25-21ksoftirqd/120:25:001
17064993429,3cyclictest9-21ksoftirqd/019:19:390
17064993429,3cyclictest9-21ksoftirqd/000:10:110
17064993428,4cyclictest9-21ksoftirqd/022:10:530
17064993428,4cyclictest9-21ksoftirqd/021:26:080
17064993428,4cyclictest9-21ksoftirqd/020:14:310
17064993427,5cyclictest9-21ksoftirqd/023:14:500
172232330,3sleep21706699cyclictest19:10:142
17067993329,3cyclictest41-21ksoftirqd/321:45:003
17067993329,3cyclictest41-21ksoftirqd/321:44:593
17067993328,3cyclictest41-21ksoftirqd/322:46:073
17067993327,4cyclictest41-21ksoftirqd/319:24:073
17067993327,4cyclictest41-21ksoftirqd/319:24:073
17066993327,4cyclictest33-21ksoftirqd/223:30:532
17066993327,4cyclictest33-21ksoftirqd/221:16:112
17066993327,4cyclictest33-21ksoftirqd/220:30:392
17066993327,4cyclictest33-21ksoftirqd/220:30:392
17066993327,4cyclictest33-21ksoftirqd/200:34:072
17066993326,5cyclictest33-21ksoftirqd/223:09:592
17066993326,5cyclictest33-21ksoftirqd/222:30:042
17065993328,3cyclictest25-21ksoftirqd/121:17:451
17065993327,4cyclictest25-21ksoftirqd/123:55:551
17065993327,4cyclictest25-21ksoftirqd/122:17:561
17065993327,4cyclictest25-21ksoftirqd/121:40:091
17065993327,4cyclictest25-21ksoftirqd/121:40:091
17065993327,4cyclictest25-21ksoftirqd/120:27:311
17065993327,4cyclictest25-21ksoftirqd/120:27:311
17065993327,4cyclictest25-21ksoftirqd/120:10:551
17065993327,4cyclictest25-21ksoftirqd/100:37:241
17065993326,5cyclictest25-21ksoftirqd/119:33:441
17064993328,3cyclictest9-21ksoftirqd/020:18:400
17064993327,4cyclictest9-21ksoftirqd/023:07:400
17064993327,4cyclictest9-21ksoftirqd/022:39:210
17064993327,4cyclictest9-21ksoftirqd/022:27:280
17064993327,4cyclictest9-21ksoftirqd/021:32:290
17064993327,4cyclictest9-21ksoftirqd/020:46:440
17064993327,4cyclictest9-21ksoftirqd/000:31:530
136991330,9ptp4l0-21swapper/319:42:043
136991330,0ptp4l401ktimersoftd/323:20:063
136991330,0ptp4l401ktimersoftd/300:31:533
136991330,0ptp4l401ktimersoftd/300:20:253
17067993227,3cyclictest41-21ksoftirqd/322:55:003
17067993226,4cyclictest41-21ksoftirqd/323:18:313
17067993226,4cyclictest41-21ksoftirqd/321:20:453
17067993226,4cyclictest41-21ksoftirqd/321:11:103
17067993226,4cyclictest41-21ksoftirqd/319:11:033
17067993226,4cyclictest41-21ksoftirqd/300:07:413
17066993227,3cyclictest33-21ksoftirqd/223:43:112
17066993227,3cyclictest33-21ksoftirqd/223:03:052
17066993226,4cyclictest33-21ksoftirqd/220:55:372
17066993226,4cyclictest33-21ksoftirqd/200:23:292
17066993226,3cyclictest33-21ksoftirqd/222:06:222
17066993226,3cyclictest33-21ksoftirqd/221:26:262
17065993227,3cyclictest25-21ksoftirqd/123:24:471
17065993227,3cyclictest25-21ksoftirqd/119:50:191
17065993227,3cyclictest25-21ksoftirqd/100:35:011
17065993226,4cyclictest25-21ksoftirqd/123:36:591
17065993226,4cyclictest25-21ksoftirqd/121:07:071
17065993226,4cyclictest25-21ksoftirqd/119:17:231
17065993226,4cyclictest25-21ksoftirqd/119:14:141
17065993226,4cyclictest25-21ksoftirqd/100:27:211
17065993225,5cyclictest25-21ksoftirqd/100:24:471
17064993227,3cyclictest9-21ksoftirqd/023:19:220
17064993227,3cyclictest9-21ksoftirqd/021:54:110
17064993227,3cyclictest9-21ksoftirqd/020:31:360
17064993227,3cyclictest9-21ksoftirqd/020:31:360
17064993227,3cyclictest9-21ksoftirqd/020:02:270
17064993227,3cyclictest9-21ksoftirqd/019:22:320
17064993227,3cyclictest9-21ksoftirqd/019:22:320
17064993226,4cyclictest9-21ksoftirqd/023:54:590
17064993226,4cyclictest9-21ksoftirqd/022:43:540
17064993226,4cyclictest9-21ksoftirqd/022:34:560
17064993226,4cyclictest9-21ksoftirqd/021:57:290
17064993226,4cyclictest9-21ksoftirqd/020:06:360
17064993225,5cyclictest9-21ksoftirqd/021:17:090
17064993225,5cyclictest9-21ksoftirqd/019:36:480
17064993225,5cyclictest9-21ksoftirqd/000:28:040
17064993225,4cyclictest9-21ksoftirqd/022:10:010
17064993220,4cyclictest9-21ksoftirqd/022:20:000
136991320,0ptp4l401ktimersoftd/323:45:083
136991320,0ptp4l401ktimersoftd/323:28:383
136991320,0ptp4l401ktimersoftd/321:51:453
136991320,0ptp4l401ktimersoftd/319:32:373
17067993126,3cyclictest41-21ksoftirqd/321:07:223
17067993126,3cyclictest41-21ksoftirqd/319:17:373
17067993125,4cyclictest41-21ksoftirqd/323:33:483
17067993125,4cyclictest41-21ksoftirqd/321:34:373
17067993125,4cyclictest41-21ksoftirqd/300:29:043
17066993127,3cyclictest33-21ksoftirqd/220:22:402
17066993126,3cyclictest33-21ksoftirqd/221:55:312
17066993126,3cyclictest33-21ksoftirqd/221:37:252
17066993125,4cyclictest33-21ksoftirqd/222:51:582
17066993125,4cyclictest33-21ksoftirqd/222:26:032
17066993125,3cyclictest33-21ksoftirqd/223:35:502
17066993124,4cyclictest33-21ksoftirqd/221:33:552
17066993124,4cyclictest33-21ksoftirqd/219:23:062
17066993124,4cyclictest33-21ksoftirqd/219:23:062
17066993124,4cyclictest33-21ksoftirqd/200:26:532
17066993124,4cyclictest33-21ksoftirqd/200:10:332
17066993123,5cyclictest33-21ksoftirqd/222:00:122
17065993125,4cyclictest25-21ksoftirqd/121:29:211
17065993125,4cyclictest25-21ksoftirqd/120:42:201
17065993124,5cyclictest25-21ksoftirqd/123:30:531
17064993126,3cyclictest9-21ksoftirqd/023:55:390
17064993126,3cyclictest9-21ksoftirqd/022:54:550
17064993126,3cyclictest9-21ksoftirqd/021:45:460
17064993126,3cyclictest9-21ksoftirqd/020:28:260
17064993126,3cyclictest9-21ksoftirqd/020:28:260
17064993125,4cyclictest9-21ksoftirqd/023:34:360
17064993125,4cyclictest9-21ksoftirqd/022:00:340
17064993125,4cyclictest9-21ksoftirqd/021:10:590
17064993125,4cyclictest9-21ksoftirqd/019:53:330
136991310,10ptp4l401ktimersoftd/319:36:073
136991310,0ptp4l401ktimersoftd/323:07:083
136991310,0ptp4l401ktimersoftd/322:08:323
136991310,0ptp4l401ktimersoftd/320:52:273
136991310,0ptp4l401ktimersoftd/319:26:143
31732300,2sleep30-21swapper/319:45:253
17067993025,3cyclictest41-21ksoftirqd/322:02:023
17067993023,4cyclictest41-21ksoftirqd/300:11:543
17066993026,2cyclictest33-21ksoftirqd/222:56:202
17066993024,4cyclictest33-21ksoftirqd/221:51:252
17066993024,4cyclictest33-21ksoftirqd/220:14:332
17066993023,5cyclictest33-21ksoftirqd/221:03:272
17066993023,5cyclictest33-21ksoftirqd/219:40:532
17065993024,4cyclictest25-21ksoftirqd/123:02:491
17065993024,4cyclictest25-21ksoftirqd/122:20:481
17065993024,4cyclictest25-21ksoftirqd/120:09:421
17065993024,4cyclictest25-21ksoftirqd/100:01:141
17064993025,3cyclictest9-21ksoftirqd/022:20:430
17064993025,3cyclictest9-21ksoftirqd/021:20:060
17064993025,3cyclictest9-21ksoftirqd/021:06:130
17064993025,3cyclictest9-21ksoftirqd/020:24:550
17064993024,4cyclictest9-21ksoftirqd/023:47:250
17064993024,4cyclictest9-21ksoftirqd/021:41:160
17064993024,4cyclictest9-21ksoftirqd/021:41:160
17064993024,4cyclictest9-21ksoftirqd/020:53:460
17064993024,4cyclictest9-21ksoftirqd/019:44:060
17064993024,4cyclictest9-21ksoftirqd/000:19:540
17064993023,5cyclictest9-21ksoftirqd/023:23:450
17064993023,4cyclictest9-21ksoftirqd/020:43:070
136991300,0ptp4l401ktimersoftd/321:16:133
17067992924,3cyclictest41-21ksoftirqd/322:11:123
17067992924,3cyclictest41-21ksoftirqd/321:55:053
17067992924,3cyclictest41-21ksoftirqd/320:09:553
17067992923,4cyclictest41-21ksoftirqd/321:27:593
17066992923,4cyclictest33-21ksoftirqd/220:47:062
17066992922,4cyclictest33-21ksoftirqd/220:04:532
17065992924,3cyclictest25-21ksoftirqd/123:26:431
17065992924,3cyclictest25-21ksoftirqd/121:00:011
17065992923,4cyclictest25-21ksoftirqd/122:05:321
17065992923,4cyclictest25-21ksoftirqd/120:38:511
17065992923,4cyclictest25-21ksoftirqd/120:30:561
17065992923,4cyclictest25-21ksoftirqd/120:30:561
17065992922,4cyclictest25-21ksoftirqd/122:00:351
17064992926,2cyclictest9-21ksoftirqd/019:57:330
17064992923,4cyclictest9-21ksoftirqd/023:00:100
17064992923,4cyclictest9-21ksoftirqd/000:36:020
17064992923,4cyclictest9-21ksoftirqd/000:07:580
17064992923,4cyclictest9-21ksoftirqd/000:03:170
136991290,7ptp4l401ktimersoftd/323:42:463
136991290,7ptp4l401ktimersoftd/321:47:533
136991290,0ptp4l401ktimersoftd/320:27:133
136991290,0ptp4l401ktimersoftd/320:27:133
17067992823,3cyclictest41-21ksoftirqd/320:22:333
17067992822,4cyclictest41-21ksoftirqd/323:36:023
17067992822,4cyclictest41-21ksoftirqd/322:26:443
17066992823,3cyclictest33-21ksoftirqd/220:54:402
17066992823,3cyclictest33-21ksoftirqd/200:18:162
17066992822,4cyclictest33-21ksoftirqd/219:38:262
17066992822,4cyclictest33-21ksoftirqd/200:03:232
17066992820,5cyclictest33-21ksoftirqd/221:46:502
17065992822,4cyclictest25-21ksoftirqd/119:39:091
17064992823,3cyclictest9-21ksoftirqd/019:48:590
17064992823,3cyclictest9-21ksoftirqd/000:22:230
17064992822,4cyclictest9-21ksoftirqd/019:30:340
17064992822,3cyclictest9-21ksoftirqd/021:02:370
136991280,0ptp4l401ktimersoftd/320:30:403
136991280,0ptp4l401ktimersoftd/320:30:403
17066992722,3cyclictest33-21ksoftirqd/222:47:522
17066992721,4cyclictest33-21ksoftirqd/223:45:582
17066992721,4cyclictest33-21ksoftirqd/219:26:042
17065992722,3cyclictest25-21ksoftirqd/122:37:161
17065992722,3cyclictest25-21ksoftirqd/122:00:001
17065992722,3cyclictest25-21ksoftirqd/121:45:201
17065992722,3cyclictest25-21ksoftirqd/120:50:001
17065992721,4cyclictest25-21ksoftirqd/122:45:211
17065992721,4cyclictest25-21ksoftirqd/120:03:001
17066992621,3cyclictest33-21ksoftirqd/221:42:112
17066992621,3cyclictest33-21ksoftirqd/221:42:112
17066992621,3cyclictest33-21ksoftirqd/219:55:002
17066992621,3cyclictest33-21ksoftirqd/219:30:172
17066992620,4cyclictest33-21ksoftirqd/220:36:072
17065992621,3cyclictest25-21ksoftirqd/100:19:141
17065992620,4cyclictest25-21ksoftirqd/123:19:051
17065992620,4cyclictest25-21ksoftirqd/121:35:211
17065992620,4cyclictest25-21ksoftirqd/121:00:091
17065992620,4cyclictest25-21ksoftirqd/119:45:551
17065992620,4cyclictest25-21ksoftirqd/119:25:411
17065992619,5cyclictest25-21ksoftirqd/100:06:431
17064992621,3cyclictest9-21ksoftirqd/019:26:090
17064992620,4cyclictest9-21ksoftirqd/023:25:570
17064992620,4cyclictest9-21ksoftirqd/020:56:350
17066992520,3cyclictest33-21ksoftirqd/223:26:342
17066992520,3cyclictest33-21ksoftirqd/220:18:022
17065992520,3cyclictest25-21ksoftirqd/119:43:121
17065992519,4cyclictest25-21ksoftirqd/121:50:081
17065992519,4cyclictest25-21ksoftirqd/119:59:471
136991250,0ptp4l401ktimersoftd/320:15:143
17066992418,4cyclictest33-21ksoftirqd/223:12:352
17065992418,4cyclictest25-21ksoftirqd/123:53:221
17065992418,3cyclictest3559-21grep23:10:161
17066992318,3cyclictest33-21ksoftirqd/223:18:132
17066992318,3cyclictest33-21ksoftirqd/221:08:222
17065992318,3cyclictest25-21ksoftirqd/122:31:231
17065992318,3cyclictest25-21ksoftirqd/122:14:591
17064992317,4cyclictest9-21ksoftirqd/023:37:410
17066992014,4cyclictest33-21ksoftirqd/200:09:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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