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2025-12-19 - 04:30
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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 Fri Dec 19, 2025 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
264102203170,23sleep20-21swapper/219:09:542
260762203171,21sleep10-21swapper/119:05:391
139491203169,22phc2sys0-21swapper/319:09:193
264082201168,22sleep00-21swapper/019:09:520
264212172123,40sleep10-21swapper/119:10:011
1659521650,6sleep02671499cyclictest00:25:130
3274621540,7sleep12671599cyclictest23:50:251
91692630,7sleep12671599cyclictest20:45:231
139391610,1ptp4l401ktimersoftd/319:34:173
66532590,5sleep36657-21cpuspeed_turbos19:35:143
139391550,1ptp4l401ktimersoftd/323:05:213
156352510,2sleep115640-21irqrtprio23:15:191
26716994639,4cyclictest207-21systemd-journal20:29:592
26714994539,3cyclictest21619-21sh23:30:000
139391440,0ptp4l401ktimersoftd/300:23:073
139391420,0ptp4l401ktimersoftd/322:44:143
139391420,0ptp4l401ktimersoftd/320:55:223
140072410,4sleep014012-21cut19:50:150
134391410,2getstats0-21swapper/300:30:063
26715993934,3cyclictest25-21ksoftirqd/123:40:011
26714993934,3cyclictest9-21ksoftirqd/020:05:010
139391390,34ptp4l41-21ksoftirqd/320:25:243
139391390,0ptp4l401ktimersoftd/322:09:563
139391390,0ptp4l401ktimersoftd/321:16:263
134491390,2getstats0-21swapper/300:15:003
26716993822,3cyclictest33-21ksoftirqd/221:55:132
26714993832,3cyclictest9-21ksoftirqd/022:00:010
26717993732,3cyclictest41-21ksoftirqd/322:35:003
26717993731,4cyclictest41-21ksoftirqd/322:59:123
26715993731,4cyclictest25-21ksoftirqd/120:09:091
26714993731,4cyclictest9-21ksoftirqd/022:31:590
26717993631,3cyclictest41-21ksoftirqd/320:02:323
26717993630,4cyclictest41-21ksoftirqd/322:27:143
26716993630,4cyclictest33-21ksoftirqd/220:58:322
26716993629,5cyclictest33-21ksoftirqd/219:59:402
26715993631,3cyclictest25-21ksoftirqd/100:05:011
26715993630,4cyclictest25-21ksoftirqd/122:28:011
26715993630,4cyclictest25-21ksoftirqd/122:17:061
26715993630,4cyclictest25-21ksoftirqd/120:27:591
26715993630,4cyclictest25-21ksoftirqd/119:53:291
26715993630,3cyclictest25-21ksoftirqd/121:22:581
26714993631,3cyclictest9-21ksoftirqd/022:19:590
26714993629,4cyclictest9-21ksoftirqd/022:45:170
26717993529,4cyclictest41-21ksoftirqd/320:18:103
26717993527,6cyclictest41-21ksoftirqd/321:55:003
26716993530,3cyclictest33-21ksoftirqd/223:15:392
26716993529,4cyclictest33-21ksoftirqd/223:07:422
26716993529,4cyclictest33-21ksoftirqd/219:10:092
26716993529,4cyclictest33-21ksoftirqd/200:09:352
26715993530,3cyclictest25-21ksoftirqd/122:30:121
26715993530,3cyclictest25-21ksoftirqd/119:16:591
26715993529,4cyclictest25-21ksoftirqd/123:25:461
26715993529,4cyclictest25-21ksoftirqd/123:01:021
26715993529,4cyclictest25-21ksoftirqd/121:04:211
26715993529,4cyclictest25-21ksoftirqd/120:12:091
26715993529,4cyclictest25-21ksoftirqd/119:43:581
26715993529,4cyclictest25-21ksoftirqd/119:23:281
26715993528,4cyclictest25-21ksoftirqd/100:05:141
26714993530,3cyclictest9-21ksoftirqd/023:55:180
26714993530,3cyclictest9-21ksoftirqd/019:17:260
26714993528,4cyclictest9-21ksoftirqd/022:57:470
26714993528,4cyclictest9-21ksoftirqd/000:12:120
139391350,1ptp4l401ktimersoftd/319:15:513
26717993429,3cyclictest41-21ksoftirqd/319:47:183
26717993428,4cyclictest41-21ksoftirqd/319:56:563
26717993428,3cyclictest139391ptp4l00:29:573
26716993430,3cyclictest33-21ksoftirqd/222:27:412
26716993429,3cyclictest33-21ksoftirqd/221:15:132
26716993429,3cyclictest33-21ksoftirqd/221:12:292
26716993428,4cyclictest33-21ksoftirqd/222:53:452
26716993428,4cyclictest33-21ksoftirqd/220:31:372
26716993428,4cyclictest33-21ksoftirqd/219:44:552
26716993427,4cyclictest33-21ksoftirqd/200:20:192
26715993429,3cyclictest25-21ksoftirqd/100:25:101
26715993428,4cyclictest25-21ksoftirqd/123:06:161
26715993428,4cyclictest25-21ksoftirqd/122:38:031
26715993428,4cyclictest25-21ksoftirqd/121:32:341
26715993428,3cyclictest25-21ksoftirqd/120:20:001
26714993428,4cyclictest9-21ksoftirqd/000:36:090
26714993428,3cyclictest9-21ksoftirqd/023:40:000
26714993428,3cyclictest28888-21latency_hist19:15:000
26717993328,3cyclictest41-21ksoftirqd/323:37:453
26717993328,3cyclictest41-21ksoftirqd/323:20:173
26717993328,3cyclictest41-21ksoftirqd/323:17:103
26717993328,3cyclictest41-21ksoftirqd/320:34:153
26717993327,4cyclictest41-21ksoftirqd/320:54:493
2671699336,26cyclictest981-21kworker/2:022:05:232
26716993328,3cyclictest33-21ksoftirqd/221:28:012
26716993327,4cyclictest33-21ksoftirqd/222:59:362
26716993327,4cyclictest33-21ksoftirqd/221:23:522
26716993327,4cyclictest33-21ksoftirqd/219:31:562
26716993327,4cyclictest33-21ksoftirqd/200:34:152
26716993326,4cyclictest33-21ksoftirqd/223:10:132
26715993329,3cyclictest25-21ksoftirqd/120:22:491
26715993328,3cyclictest25-21ksoftirqd/122:22:411
26715993327,4cyclictest25-21ksoftirqd/123:48:411
26715993327,4cyclictest25-21ksoftirqd/122:46:271
26715993327,4cyclictest25-21ksoftirqd/121:45:051
26715993327,4cyclictest25-21ksoftirqd/121:19:371
26715993327,4cyclictest25-21ksoftirqd/100:36:461
26715993327,4cyclictest25-21ksoftirqd/100:13:361
26715993326,4cyclictest25-21ksoftirqd/120:56:471
26714993328,3cyclictest9-21ksoftirqd/023:55:000
26714993328,3cyclictest9-21ksoftirqd/023:20:200
26714993328,3cyclictest9-21ksoftirqd/021:25:120
26714993328,3cyclictest9-21ksoftirqd/019:20:160
26714993328,2cyclictest9-21ksoftirqd/022:30:010
26714993327,4cyclictest9-21ksoftirqd/020:56:060
26714993327,3cyclictest9-21ksoftirqd/023:33:020
26714993326,4cyclictest9-21ksoftirqd/022:03:460
139391330,0ptp4l401ktimersoftd/322:45:273
26717993228,2cyclictest41-21ksoftirqd/321:35:213
26717993226,4cyclictest41-21ksoftirqd/323:50:353
26717993226,4cyclictest41-21ksoftirqd/321:23:123
26717993226,4cyclictest41-21ksoftirqd/320:08:593
26716993227,3cyclictest33-21ksoftirqd/221:04:162
26716993227,3cyclictest33-21ksoftirqd/200:39:082
26716993226,4cyclictest33-21ksoftirqd/223:24:382
26716993226,4cyclictest33-21ksoftirqd/221:47:262
26716993226,3cyclictest33-21ksoftirqd/219:50:002
2671699322,17cyclictest22748-21kworker/2:220:46:092
26715993227,3cyclictest25-21ksoftirqd/123:55:551
26715993227,3cyclictest25-21ksoftirqd/122:41:531
26715993227,3cyclictest25-21ksoftirqd/122:10:041
26715993227,3cyclictest25-21ksoftirqd/121:56:521
26715993226,4cyclictest25-21ksoftirqd/122:02:051
26715993226,4cyclictest25-21ksoftirqd/121:27:161
26714993227,3cyclictest9-21ksoftirqd/023:40:180
26714993227,3cyclictest9-21ksoftirqd/000:30:120
26714993227,3cyclictest9-21ksoftirqd/000:15:130
26714993226,4cyclictest9-21ksoftirqd/020:52:290
26714993226,4cyclictest9-21ksoftirqd/020:16:430
26714993226,4cyclictest9-21ksoftirqd/019:35:590
26714993226,4cyclictest9-21ksoftirqd/000:09:250
26714993226,4cyclictest9-21ksoftirqd/000:00:060
26714993226,3cyclictest9-21ksoftirqd/023:00:120
26714993226,3cyclictest9-21ksoftirqd/022:05:200
26714993226,3cyclictest9-21ksoftirqd/021:48:080
139391320,0ptp4l401ktimersoftd/300:19:003
26717993126,3cyclictest41-21ksoftirqd/323:29:223
26717993126,3cyclictest41-21ksoftirqd/322:36:503
26717993126,3cyclictest41-21ksoftirqd/321:31:083
26717993126,3cyclictest41-21ksoftirqd/320:10:363
26717993125,4cyclictest41-21ksoftirqd/323:58:343
26717993125,4cyclictest41-21ksoftirqd/322:54:473
26717993125,4cyclictest41-21ksoftirqd/321:13:013
26717993125,4cyclictest41-21ksoftirqd/320:22:313
26717993125,4cyclictest41-21ksoftirqd/319:14:323
26717993125,4cyclictest41-21ksoftirqd/300:07:483
26717993125,4cyclictest41-21ksoftirqd/300:02:303
26716993126,3cyclictest33-21ksoftirqd/222:20:302
26716993126,3cyclictest33-21ksoftirqd/220:37:352
26716993126,3cyclictest33-21ksoftirqd/220:05:132
26716993126,3cyclictest33-21ksoftirqd/219:24:582
26716993126,3cyclictest33-21ksoftirqd/200:11:032
26716993125,4cyclictest33-21ksoftirqd/223:31:442
26716993125,4cyclictest33-21ksoftirqd/221:53:492
26716993125,4cyclictest33-21ksoftirqd/221:35:302
26716993125,4cyclictest33-21ksoftirqd/221:05:032
26716993125,4cyclictest33-21ksoftirqd/220:42:002
26716993125,4cyclictest33-21ksoftirqd/200:26:532
26716993125,4cyclictest33-21ksoftirqd/200:00:522
26716993125,3cyclictest33-21ksoftirqd/220:22:562
26715993126,3cyclictest25-21ksoftirqd/123:33:141
26715993126,3cyclictest25-21ksoftirqd/122:54:551
26715993126,3cyclictest25-21ksoftirqd/122:05:201
26715993125,4cyclictest25-21ksoftirqd/121:40:141
26715993125,4cyclictest25-21ksoftirqd/120:37:261
26715993125,4cyclictest25-21ksoftirqd/119:26:251
26714993126,3cyclictest9-21ksoftirqd/022:40:190
26714993126,3cyclictest9-21ksoftirqd/021:44:590
26714993126,3cyclictest9-21ksoftirqd/021:35:010
26714993126,3cyclictest9-21ksoftirqd/021:00:340
26714993126,3cyclictest9-21ksoftirqd/000:20:120
26714993125,4cyclictest9-21ksoftirqd/021:53:270
26714993125,4cyclictest9-21ksoftirqd/020:39:450
26714993125,4cyclictest9-21ksoftirqd/019:34:550
26714993125,3cyclictest9-21ksoftirqd/020:25:000
139391310,0ptp4l401ktimersoftd/321:45:183
26717993026,3cyclictest41-21ksoftirqd/320:39:133
26716993025,3cyclictest33-21ksoftirqd/222:37:222
26716993025,3cyclictest33-21ksoftirqd/222:00:112
26716993025,3cyclictest33-21ksoftirqd/219:16:592
26716993024,4cyclictest33-21ksoftirqd/223:43:272
26716993024,4cyclictest33-21ksoftirqd/223:39:582
26716993016,5cyclictest33-21ksoftirqd/223:48:452
26715993026,3cyclictest25-21ksoftirqd/121:51:431
26715993025,3cyclictest25-21ksoftirqd/121:37:321
26715993025,3cyclictest25-21ksoftirqd/120:01:581
26715993025,3cyclictest25-21ksoftirqd/119:57:131
26715993024,4cyclictest25-21ksoftirqd/121:07:341
26714993026,3cyclictest9-21ksoftirqd/020:30:000
26714993025,3cyclictest9-21ksoftirqd/019:48:510
26714993024,4cyclictest9-21ksoftirqd/023:05:550
26714993024,4cyclictest9-21ksoftirqd/022:23:350
26714993024,4cyclictest9-21ksoftirqd/019:27:160
1394913024,3phc2sys41-21ksoftirqd/323:10:213
139391300,9ptp4l401ktimersoftd/320:45:423
139391300,0ptp4l401ktimersoftd/319:43:243
139391300,0ptp4l401ktimersoftd/300:39:363
26717992924,3cyclictest41-21ksoftirqd/323:30:423
26717992924,3cyclictest41-21ksoftirqd/321:27:023
26717992924,3cyclictest41-21ksoftirqd/319:50:133
26717992923,4cyclictest41-21ksoftirqd/322:01:033
26717992923,4cyclictest41-21ksoftirqd/321:40:423
26717992923,4cyclictest41-21ksoftirqd/320:43:483
26716992924,3cyclictest33-21ksoftirqd/222:41:332
26716992924,3cyclictest33-21ksoftirqd/219:36:132
26716992924,3cyclictest33-21ksoftirqd/200:15:432
26716992923,4cyclictest33-21ksoftirqd/222:10:452
26716992923,4cyclictest33-21ksoftirqd/221:31:102
26716992923,4cyclictest33-21ksoftirqd/220:12:192
26716992923,4cyclictest33-21ksoftirqd/219:26:102
26715992924,3cyclictest25-21ksoftirqd/120:50:091
26715992924,3cyclictest25-21ksoftirqd/119:40:001
26715992923,4cyclictest25-21ksoftirqd/123:23:091
26715992923,4cyclictest25-21ksoftirqd/100:32:361
26714992925,3cyclictest9-21ksoftirqd/022:53:120
26714992924,3cyclictest9-21ksoftirqd/020:30:210
26714992923,4cyclictest9-21ksoftirqd/023:14:100
26714992923,4cyclictest9-21ksoftirqd/022:35:070
139391290,0ptp4l401ktimersoftd/322:11:553
139391290,0ptp4l401ktimersoftd/321:00:523
139391290,0ptp4l401ktimersoftd/319:26:583
26716992823,3cyclictest33-21ksoftirqd/223:55:272
26716992823,3cyclictest33-21ksoftirqd/223:26:042
26716992823,3cyclictest33-21ksoftirqd/220:51:542
26716992822,4cyclictest33-21ksoftirqd/222:49:482
26716992822,4cyclictest33-21ksoftirqd/221:42:082
26715992823,3cyclictest25-21ksoftirqd/100:15:201
26715992822,4cyclictest25-21ksoftirqd/122:56:141
26714992824,2cyclictest9-21ksoftirqd/020:50:000
26714992822,4cyclictest9-21ksoftirqd/023:17:500
26714992822,4cyclictest9-21ksoftirqd/021:11:550
26714992822,4cyclictest9-21ksoftirqd/019:55:320
139391280,0ptp4l401ktimersoftd/321:56:503
139391280,0ptp4l401ktimersoftd/319:22:493
26717992722,3cyclictest41-21ksoftirqd/323:04:243
26717992722,3cyclictest41-21ksoftirqd/322:20:013
26717992722,3cyclictest28277-21grep23:40:273
26717992719,6cyclictest41-21ksoftirqd/321:09:373
26716992722,3cyclictest33-21ksoftirqd/222:30:112
26716992722,3cyclictest33-21ksoftirqd/222:16:542
26716992721,4cyclictest33-21ksoftirqd/220:02:042
26715992722,3cyclictest25-21ksoftirqd/123:15:001
26715992721,4cyclictest25-21ksoftirqd/121:10:351
26714992723,2cyclictest9-21ksoftirqd/022:14:590
26714992723,2cyclictest9-21ksoftirqd/020:05:200
26714992722,3cyclictest9-21ksoftirqd/021:05:130
26714992721,3cyclictest9-21ksoftirqd/020:41:520
26716992620,4cyclictest33-21ksoftirqd/220:15:522
26715992621,3cyclictest25-21ksoftirqd/119:49:351
26715992621,3cyclictest25-21ksoftirqd/100:23:141
26715992620,4cyclictest25-21ksoftirqd/119:33:031
26714992621,3cyclictest9-21ksoftirqd/023:45:100
26714992621,3cyclictest9-21ksoftirqd/020:10:190
26714992621,3cyclictest9-21ksoftirqd/019:42:410
139391260,0ptp4l401ktimersoftd/322:18:273
26716992520,3cyclictest33-21ksoftirqd/223:01:462
26715992520,3cyclictest25-21ksoftirqd/123:43:141
26714992519,4cyclictest9-21ksoftirqd/021:16:200
26716992419,3cyclictest33-21ksoftirqd/219:50:042
26715992417,5cyclictest25-21ksoftirqd/120:42:191
26714992419,3cyclictest9-21ksoftirqd/021:20:150
139391240,0ptp4l401ktimersoftd/323:45:203
26716992318,3cyclictest33-21ksoftirqd/223:54:112
26715992318,3cyclictest25-21ksoftirqd/120:34:451
26714992116,3cyclictest9-21ksoftirqd/021:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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