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2026-05-11 - 20:35
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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 Mon May 11, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491232168,52phc2sys0-21swapper/307:09:003
152862222194,18sleep10-21swapper/107:07:581
156472205172,22sleep20-21swapper/207:09:212
156962204171,22sleep00-21swapper/007:09:510
139391810,1ptp4l401ktimersoftd/308:30:293
139391650,1ptp4l401ktimersoftd/310:55:143
139391650,0ptp4l401ktimersoftd/309:49:503
16000994611,25cyclictest23538-21seq08:31:220
139391440,0ptp4l401ktimersoftd/308:42:373
139391430,0ptp4l401ktimersoftd/311:26:403
139391410,0ptp4l401ktimersoftd/311:14:203
139391410,0ptp4l401ktimersoftd/307:15:193
139391390,1ptp4l401ktimersoftd/307:29:403
16003993820,3cyclictest41-21ksoftirqd/310:28:583
16003993819,4cyclictest41-21ksoftirqd/309:39:313
139391380,7ptp4l401ktimersoftd/309:30:133
16003993730,5cyclictest41-21ksoftirqd/312:15:533
16001993731,4cyclictest25-21ksoftirqd/108:14:301
16001993730,5cyclictest25-21ksoftirqd/109:41:461
16000993732,3cyclictest9-21ksoftirqd/008:44:590
16000993731,4cyclictest9-21ksoftirqd/009:25:000
16000993731,4cyclictest9-21ksoftirqd/009:25:000
16000993731,4cyclictest9-21ksoftirqd/009:10:110
16000993729,6cyclictest9-21ksoftirqd/009:54:410
16003993630,4cyclictest41-21ksoftirqd/310:07:563
16002993630,4cyclictest33-21ksoftirqd/208:57:592
16002993630,4cyclictest33-21ksoftirqd/208:22:592
16002993630,4cyclictest33-21ksoftirqd/208:22:582
16001993630,4cyclictest25-21ksoftirqd/111:57:371
16001993630,4cyclictest25-21ksoftirqd/111:50:591
16001993630,4cyclictest25-21ksoftirqd/110:58:321
16001993630,4cyclictest25-21ksoftirqd/109:34:241
16001993630,4cyclictest25-21ksoftirqd/107:57:441
16001993629,4cyclictest25-21ksoftirqd/109:25:111
16003993529,4cyclictest41-21ksoftirqd/308:09:583
16002993529,4cyclictest33-21ksoftirqd/210:14:002
16002993529,4cyclictest33-21ksoftirqd/209:03:572
16002993529,4cyclictest33-21ksoftirqd/207:31:582
16002993529,4cyclictest33-21ksoftirqd/207:31:572
16001993530,3cyclictest25-21ksoftirqd/108:28:411
16001993530,3cyclictest25-21ksoftirqd/108:15:101
16001993529,4cyclictest25-21ksoftirqd/112:07:561
16001993529,4cyclictest25-21ksoftirqd/111:46:341
16001993529,4cyclictest25-21ksoftirqd/107:39:511
16000993530,3cyclictest18826-21turbostat10:40:000
16000993529,4cyclictest9-21ksoftirqd/011:57:400
16000993529,4cyclictest9-21ksoftirqd/009:59:540
139391350,10ptp4l401ktimersoftd/308:55:113
139391350,0ptp4l401ktimersoftd/310:15:243
16003993429,3cyclictest41-21ksoftirqd/311:54:283
16003993428,4cyclictest41-21ksoftirqd/309:15:493
16003993428,4cyclictest41-21ksoftirqd/307:54:253
16003993428,4cyclictest41-21ksoftirqd/307:37:203
16003993426,5cyclictest41-21ksoftirqd/307:40:123
16002993430,2cyclictest2244-21turbostat12:20:002
16002993429,3cyclictest33-21ksoftirqd/212:01:402
16002993429,3cyclictest33-21ksoftirqd/209:50:522
16002993429,3cyclictest33-21ksoftirqd/208:07:342
16002993429,3cyclictest21459-21cron08:34:562
16002993428,4cyclictest33-21ksoftirqd/210:39:082
16001993429,3cyclictest25-21ksoftirqd/111:09:311
16001993429,3cyclictest25-21ksoftirqd/110:20:151
16001993428,4cyclictest25-21ksoftirqd/112:30:311
16001993428,4cyclictest25-21ksoftirqd/111:43:131
16001993428,4cyclictest25-21ksoftirqd/110:53:351
16001993428,4cyclictest25-21ksoftirqd/107:46:451
16001993427,5cyclictest25-21ksoftirqd/109:24:061
16001993427,5cyclictest25-21ksoftirqd/109:24:051
16000993429,3cyclictest9-21ksoftirqd/012:10:000
16000993428,4cyclictest9-21ksoftirqd/011:05:050
16000993428,4cyclictest9-21ksoftirqd/010:05:320
16000993428,4cyclictest9-21ksoftirqd/009:30:390
16000993428,4cyclictest9-21ksoftirqd/008:23:590
16000993428,4cyclictest9-21ksoftirqd/008:23:580
16000993428,4cyclictest9-21ksoftirqd/007:13:030
16003993327,4cyclictest41-21ksoftirqd/312:34:183
16003993327,4cyclictest41-21ksoftirqd/310:39:263
16003993327,4cyclictest41-21ksoftirqd/308:53:073
16003993327,4cyclictest41-21ksoftirqd/308:53:063
16003993327,4cyclictest41-21ksoftirqd/307:56:583
16003993327,4cyclictest41-21ksoftirqd/307:21:443
16002993328,3cyclictest33-21ksoftirqd/211:55:112
16002993328,3cyclictest33-21ksoftirqd/211:28:382
16002993328,3cyclictest33-21ksoftirqd/210:30:132
16002993328,3cyclictest33-21ksoftirqd/207:45:192
16002993327,4cyclictest33-21ksoftirqd/212:09:582
16002993327,4cyclictest33-21ksoftirqd/211:23:572
16002993327,4cyclictest33-21ksoftirqd/208:41:212
16002993327,4cyclictest33-21ksoftirqd/208:26:062
16001993328,3cyclictest25-21ksoftirqd/108:53:561
16001993328,3cyclictest25-21ksoftirqd/108:53:551
16001993327,4cyclictest25-21ksoftirqd/112:21:121
16001993327,4cyclictest25-21ksoftirqd/111:21:031
16001993327,4cyclictest25-21ksoftirqd/111:16:131
16001993327,4cyclictest25-21ksoftirqd/110:49:271
16001993327,4cyclictest25-21ksoftirqd/110:05:061
16001993327,4cyclictest25-21ksoftirqd/109:36:041
16001993327,4cyclictest25-21ksoftirqd/109:16:521
16001993327,4cyclictest25-21ksoftirqd/109:13:421
16001993327,4cyclictest25-21ksoftirqd/109:06:161
16001993327,4cyclictest25-21ksoftirqd/108:58:501
16001993327,4cyclictest25-21ksoftirqd/108:20:031
16001993327,4cyclictest25-21ksoftirqd/108:20:021
16001993327,4cyclictest25-21ksoftirqd/107:40:511
16001993327,4cyclictest25-21ksoftirqd/107:19:421
16001993327,3cyclictest25-21ksoftirqd/109:50:361
16001993326,5cyclictest25-21ksoftirqd/110:37:431
1600199330,2cyclictest121rcu_preempt09:00:251
16000993328,3cyclictest9-21ksoftirqd/011:50:120
16000993328,3cyclictest9-21ksoftirqd/011:29:080
16000993327,4cyclictest9-21ksoftirqd/012:32:140
16000993327,4cyclictest9-21ksoftirqd/010:55:340
16000993327,4cyclictest9-21ksoftirqd/007:24:490
1600099331,4cyclictest14322-21meminfo11:35:210
16000993310,21cyclictest14081-21latency_hist10:30:010
16000993310,20cyclictest2213-21needreboot11:10:210
1600099330,4cyclictest5201-21grep11:15:280
1394913327,3phc2sys41-21ksoftirqd/309:40:243
16003993227,3cyclictest41-21ksoftirqd/312:20:103
16003993227,3cyclictest41-21ksoftirqd/312:04:303
16003993227,3cyclictest41-21ksoftirqd/308:20:003
16003993226,4cyclictest41-21ksoftirqd/312:25:313
16003993226,4cyclictest41-21ksoftirqd/308:20:043
16003993226,4cyclictest41-21ksoftirqd/308:20:043
16003993226,4cyclictest41-21ksoftirqd/307:32:203
16003993226,4cyclictest41-21ksoftirqd/307:32:193
16003993226,4cyclictest41-21ksoftirqd/307:14:063
16002993227,3cyclictest33-21ksoftirqd/212:23:302
16002993227,3cyclictest33-21ksoftirqd/211:50:542
16002993227,3cyclictest33-21ksoftirqd/211:38:292
16002993227,3cyclictest33-21ksoftirqd/211:00:412
16002993227,3cyclictest33-21ksoftirqd/208:37:022
16002993227,3cyclictest33-21ksoftirqd/207:36:302
16002993226,4cyclictest33-21ksoftirqd/210:40:282
16002993226,4cyclictest33-21ksoftirqd/208:46:472
16001993227,3cyclictest25-21ksoftirqd/107:50:331
16001993226,4cyclictest25-21ksoftirqd/111:34:391
16001993226,4cyclictest25-21ksoftirqd/110:32:251
16001993226,4cyclictest25-21ksoftirqd/109:55:071
1600099328,21cyclictest20678-21expr09:35:130
16000993227,3cyclictest9-21ksoftirqd/012:17:060
16000993227,3cyclictest9-21ksoftirqd/012:00:480
16000993227,3cyclictest9-21ksoftirqd/011:03:370
16000993227,3cyclictest9-21ksoftirqd/010:02:150
16000993227,3cyclictest9-21ksoftirqd/009:41:050
16000993227,3cyclictest9-21ksoftirqd/009:25:120
16000993227,3cyclictest9-21ksoftirqd/009:05:030
16000993226,4cyclictest9-21ksoftirqd/012:12:090
16000993226,4cyclictest9-21ksoftirqd/011:30:330
16000993226,4cyclictest9-21ksoftirqd/010:34:520
16000993226,4cyclictest9-21ksoftirqd/008:56:210
16000993226,4cyclictest9-21ksoftirqd/007:55:030
16000993226,3cyclictest9-21ksoftirqd/008:37:210
16000993225,5cyclictest9-21ksoftirqd/010:46:520
16000993213,17cyclictest11318-21sed08:05:250
16000993211,19cyclictest31323-21sed07:40:220
139391320,10ptp4l401ktimersoftd/311:45:273
139391320,0ptp4l401ktimersoftd/312:07:583
139391320,0ptp4l401ktimersoftd/311:05:223
322662310,3sleep20-21swapper/210:00:002
16003993126,3cyclictest41-21ksoftirqd/311:59:083
16003993126,3cyclictest41-21ksoftirqd/311:20:053
16003993126,3cyclictest41-21ksoftirqd/308:11:433
16003993125,4cyclictest41-21ksoftirqd/312:12:483
16003993125,4cyclictest41-21ksoftirqd/311:39:543
16003993125,4cyclictest41-21ksoftirqd/310:52:003
16003993125,4cyclictest41-21ksoftirqd/310:04:033
16003993125,4cyclictest41-21ksoftirqd/309:11:203
16003993125,4cyclictest41-21ksoftirqd/308:37:143
16003993125,4cyclictest41-21ksoftirqd/308:26:383
16002993125,4cyclictest33-21ksoftirqd/211:14:302
16002993125,4cyclictest33-21ksoftirqd/211:09:572
16002993125,4cyclictest33-21ksoftirqd/210:19:542
16002993125,4cyclictest33-21ksoftirqd/210:06:502
16002993125,4cyclictest33-21ksoftirqd/209:32:492
16002993125,4cyclictest33-21ksoftirqd/208:52:462
16002993125,4cyclictest33-21ksoftirqd/208:52:452
16002993125,4cyclictest33-21ksoftirqd/208:03:062
16002993125,4cyclictest33-21ksoftirqd/207:51:122
16002993120,10cyclictest33-21ksoftirqd/210:20:282
16001993126,3cyclictest25-21ksoftirqd/112:20:001
16001993125,4cyclictest25-21ksoftirqd/112:28:181
16001993125,4cyclictest25-21ksoftirqd/112:01:351
16001993125,4cyclictest25-21ksoftirqd/111:28:301
16001993125,4cyclictest25-21ksoftirqd/107:20:541
16001993123,5cyclictest25-21ksoftirqd/111:35:191
1600099319,19cyclictest16563-21sed11:40:190
16000993126,3cyclictest9-21ksoftirqd/011:49:410
16000993126,3cyclictest9-21ksoftirqd/010:43:110
16000993126,3cyclictest9-21ksoftirqd/010:24:540
16000993126,3cyclictest9-21ksoftirqd/008:25:480
16000993126,3cyclictest9-21ksoftirqd/008:00:120
16000993125,4cyclictest9-21ksoftirqd/008:16:200
16000993125,4cyclictest9-21ksoftirqd/007:45:080
16000993125,4cyclictest9-21ksoftirqd/007:37:180
16000993125,4cyclictest9-21ksoftirqd/007:16:590
16003993025,3cyclictest41-21ksoftirqd/310:32:523
16003993025,3cyclictest41-21ksoftirqd/309:52:283
16003993025,3cyclictest41-21ksoftirqd/308:46:463
16003993025,3cyclictest41-21ksoftirqd/307:45:503
16003993024,4cyclictest41-21ksoftirqd/311:43:553
16003993024,4cyclictest41-21ksoftirqd/311:02:433
16003993024,4cyclictest41-21ksoftirqd/308:03:533
16002993025,3cyclictest33-21ksoftirqd/212:10:192
16002993025,3cyclictest26391-21wc10:55:142
16002993024,4cyclictest33-21ksoftirqd/211:30:392
16002993024,4cyclictest33-21ksoftirqd/210:47:072
16001993025,3cyclictest25-21ksoftirqd/107:10:271
16001993024,4cyclictest25-21ksoftirqd/110:29:241
16001993024,4cyclictest25-21ksoftirqd/109:45:271
16001993024,4cyclictest25-21ksoftirqd/108:32:181
16001993024,4cyclictest25-21ksoftirqd/108:04:471
16001993024,4cyclictest25-21ksoftirqd/107:30:571
16001993024,4cyclictest25-21ksoftirqd/107:30:571
16001993023,5cyclictest25-21ksoftirqd/112:36:171
1600099308,19cyclictest13573-21mailstats08:10:240
16000993025,3cyclictest9-21ksoftirqd/012:39:110
16000993025,3cyclictest9-21ksoftirqd/007:25:090
16000993024,4cyclictest9-21ksoftirqd/012:27:090
16000993024,4cyclictest9-21ksoftirqd/008:51:220
16000993024,4cyclictest9-21ksoftirqd/008:51:220
16000993010,18cyclictest4059-21wc12:20:270
16003992924,3cyclictest41-21ksoftirqd/312:38:293
16003992923,4cyclictest41-21ksoftirqd/309:22:073
16003992923,4cyclictest41-21ksoftirqd/309:22:063
16003992923,4cyclictest41-21ksoftirqd/309:06:543
16002992924,3cyclictest33-21ksoftirqd/208:10:012
16002992924,3cyclictest33-21ksoftirqd/207:55:472
16002992924,3cyclictest20514-21cron07:19:592
16002992924,2cyclictest33-21ksoftirqd/209:50:002
16002992923,4cyclictest33-21ksoftirqd/210:54:522
16002992923,4cyclictest33-21ksoftirqd/208:15:502
16002992923,4cyclictest33-21ksoftirqd/207:41:332
16002992923,4cyclictest33-21ksoftirqd/207:21:592
16001992923,4cyclictest25-21ksoftirqd/110:40:321
16001992923,4cyclictest25-21ksoftirqd/107:28:531
16000992924,3cyclictest9-21ksoftirqd/009:45:360
16000992924,3cyclictest9-21ksoftirqd/009:19:590
139391290,8ptp4l401ktimersoftd/309:58:423
16003992823,3cyclictest41-21ksoftirqd/310:49:363
16003992822,4cyclictest41-21ksoftirqd/311:33:293
16002992824,2cyclictest33-21ksoftirqd/211:15:202
16002992823,3cyclictest33-21ksoftirqd/212:30:272
16002992823,3cyclictest33-21ksoftirqd/211:40:262
16002992823,3cyclictest33-21ksoftirqd/209:36:292
16002992823,3cyclictest33-21ksoftirqd/209:05:012
16002992822,4cyclictest33-21ksoftirqd/212:37:382
16002992822,4cyclictest33-21ksoftirqd/209:43:272
16002992817,9cyclictest33-21ksoftirqd/211:45:272
16001992823,3cyclictest25-21ksoftirqd/112:11:001
16001992823,3cyclictest25-21ksoftirqd/110:19:281
16001992822,4cyclictest25-21ksoftirqd/108:36:111
1600099289,17cyclictest30580-21users08:45:290
16000992823,3cyclictest9-21ksoftirqd/007:54:230
16003992722,3cyclictest41-21ksoftirqd/311:17:023
16003992722,3cyclictest41-21ksoftirqd/310:43:473
16003992722,3cyclictest41-21ksoftirqd/309:25:153
16003992722,3cyclictest41-21ksoftirqd/309:03:243
16003992721,4cyclictest41-21ksoftirqd/310:20:593
16002992723,3cyclictest33-21ksoftirqd/210:25:192
16002992722,3cyclictest33-21ksoftirqd/209:29:012
16002992722,3cyclictest33-21ksoftirqd/207:26:392
16002992722,3cyclictest33-21ksoftirqd/207:11:002
16002992721,4cyclictest33-21ksoftirqd/209:10:582
16002992718,8cyclictest33-21ksoftirqd/209:20:232
16002992718,8cyclictest33-21ksoftirqd/209:20:232
16001992722,3cyclictest25-21ksoftirqd/108:47:421
16000992722,3cyclictest9-21ksoftirqd/011:22:050
16000992722,3cyclictest9-21ksoftirqd/007:31:150
16000992722,3cyclictest9-21ksoftirqd/007:31:150
16000992721,4cyclictest9-21ksoftirqd/009:01:260
16002992621,3cyclictest33-21ksoftirqd/209:16:402
16001992620,4cyclictest25-21ksoftirqd/111:13:041
16001992620,4cyclictest25-21ksoftirqd/108:40:291
1600099263,4cyclictest24014-21apt-get10:50:120
16000992621,3cyclictest9-21ksoftirqd/010:11:010
16002992520,3cyclictest33-21ksoftirqd/212:30:002
16002992520,3cyclictest33-21ksoftirqd/210:03:302
1600099255,2cyclictest7529-21df_abs10:15:130
16003992419,3cyclictest41-21ksoftirqd/310:11:583
16001992418,4cyclictest25-21ksoftirqd/111:04:541
16001992217,3cyclictest25-21ksoftirqd/110:03:521
16001992216,4cyclictest25-21ksoftirqd/110:10:131
16001991813,3cyclictest25-21ksoftirqd/108:05:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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