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2025-11-24 - 22:23
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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 Nov 24, 2025 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12182248191,46sleep20-21swapper/207:09:582
137191221154,22phc2sys0-21swapper/307:08:433
10202204171,22sleep10-21swapper/107:07:291
9672201168,22sleep00-21swapper/007:06:470
101242640,4sleep10-21swapper/107:25:261
206202610,2sleep20-21swapper/212:20:002
136991600,1ptp4l6467-1kworker/3:2H08:50:283
136991530,2ptp4l401ktimersoftd/309:27:183
1536994336,4cyclictest481-21rs:main2
136991430,0ptp4l401ktimersoftd/310:35:233
136991430,0ptp4l401ktimersoftd/310:35:233
136991430,0ptp4l401ktimersoftd/307:13:443
136991410,0ptp4l401ktimersoftd/312:05:263
136991410,0ptp4l401ktimersoftd/310:15:113
290122400,4sleep10-21swapper/112:35:231
136991400,0ptp4l401ktimersoftd/312:25:223
153699398,30cyclictest8321-21kworker/2:108:33:482
153699398,30cyclictest8321-21kworker/2:108:33:472
1534993935,2cyclictest481-21rs:main0
1534993933,3cyclictest9-21ksoftirqd/009:20:000
1537993832,3cyclictest41-21ksoftirqd/312:19:593
1536993833,3cyclictest33-21ksoftirqd/210:25:002
59298370,3rtkit-daemon9716-21strings09:40:231
1537993730,4cyclictest7338-21cron08:30:013
1536993731,4cyclictest33-21ksoftirqd/211:48:192
1534993732,3cyclictest9-21ksoftirqd/008:25:000
1534993731,3cyclictest9-21ksoftirqd/009:40:010
1534993727,8cyclictest9-21ksoftirqd/011:15:000
136991370,1ptp4l401ktimersoftd/310:00:513
1537993630,4cyclictest41-21ksoftirqd/311:42:303
1537993630,3cyclictest41-21ksoftirqd/307:40:183
153699363,32cyclictest17906-21kworker/2:012:33:222
1536993630,4cyclictest33-21ksoftirqd/208:55:332
153699361,34cyclictest8321-21kworker/2:108:43:112
1535993630,4cyclictest25-21ksoftirqd/107:11:331
1535993630,3cyclictest25-21ksoftirqd/111:20:001
1534993631,3cyclictest9-21ksoftirqd/011:40:000
1534993631,3cyclictest9-21ksoftirqd/010:55:010
1534993631,3cyclictest9-21ksoftirqd/009:40:200
1534993630,4cyclictest9-21ksoftirqd/011:30:010
1534993630,3cyclictest9-21ksoftirqd/011:55:280
1534993630,3cyclictest9-21ksoftirqd/010:45:000
136991360,0ptp4l401ktimersoftd/311:22:233
1537993530,3cyclictest41-21ksoftirqd/309:41:023
153699354,30cyclictest8321-21kworker/2:109:40:072
153699353,31cyclictest19303-21kworker/2:008:10:242
1536993529,4cyclictest33-21ksoftirqd/208:46:332
1536993529,3cyclictest33-21ksoftirqd/211:41:252
1536993528,4cyclictest33-21ksoftirqd/209:36:482
153699352,32cyclictest19303-21kworker/2:008:27:592
1535993528,5cyclictest25-21ksoftirqd/111:46:211
1534993531,2cyclictest9-21ksoftirqd/007:20:000
1534993530,3cyclictest9-21ksoftirqd/010:15:000
1534993529,4cyclictest9-21ksoftirqd/007:53:160
1534993529,3cyclictest9-21ksoftirqd/012:25:190
1534993529,3cyclictest9-21ksoftirqd/009:00:190
1534993529,3cyclictest9-21ksoftirqd/008:20:010
1534993529,3cyclictest9-21ksoftirqd/008:09:590
1534993529,3cyclictest9-21ksoftirqd/007:59:590
1534993528,5cyclictest9-21ksoftirqd/007:47:430
1537993429,3cyclictest41-21ksoftirqd/309:52:433
1537993429,3cyclictest41-21ksoftirqd/308:24:453
1537993429,3cyclictest41-21ksoftirqd/308:04:213
1537993428,4cyclictest41-21ksoftirqd/311:31:513
1537993428,4cyclictest41-21ksoftirqd/309:37:133
1537993428,4cyclictest41-21ksoftirqd/309:06:483
153799341,31cyclictest2408-21cron10:35:003
153699347,25cyclictest8321-21kworker/2:109:50:072
153699345,27cyclictest17906-21kworker/2:012:36:512
1536993429,3cyclictest33-21ksoftirqd/212:13:082
1536993428,4cyclictest33-21ksoftirqd/210:05:132
1536993428,4cyclictest33-21ksoftirqd/209:33:062
1536993428,4cyclictest33-21ksoftirqd/209:18:472
1536993428,3cyclictest33-21ksoftirqd/208:21:042
1536993428,3cyclictest33-21ksoftirqd/207:37:552
1536993427,4cyclictest33-21ksoftirqd/211:37:362
153699342,31cyclictest19303-21kworker/2:008:16:202
1535993429,3cyclictest25-21ksoftirqd/111:44:551
1535993429,3cyclictest25-21ksoftirqd/110:52:321
1535993428,4cyclictest25-21ksoftirqd/109:37:031
1535993428,4cyclictest25-21ksoftirqd/109:28:171
1535993428,4cyclictest25-21ksoftirqd/108:30:401
1535993428,4cyclictest25-21ksoftirqd/108:30:401
1534993429,3cyclictest9-21ksoftirqd/011:45:000
1534993429,3cyclictest9-21ksoftirqd/008:35:200
1534993428,3cyclictest9-21ksoftirqd/010:25:000
1534993428,3cyclictest9-21ksoftirqd/008:56:060
1534993427,4cyclictest9-21ksoftirqd/011:16:390
1534993427,4cyclictest9-21ksoftirqd/009:21:460
136991340,0ptp4l401ktimersoftd/311:15:113
1537993327,4cyclictest41-21ksoftirqd/312:30:123
1537993327,4cyclictest41-21ksoftirqd/308:56:293
1536993328,3cyclictest33-21ksoftirqd/209:11:292
1536993327,4cyclictest33-21ksoftirqd/211:24:362
1536993327,4cyclictest33-21ksoftirqd/210:02:082
1536993327,4cyclictest33-21ksoftirqd/208:53:402
153699332,29cyclictest13452-21cat12:05:012
1535993328,3cyclictest25-21ksoftirqd/112:25:201
1535993328,3cyclictest25-21ksoftirqd/111:50:121
1535993328,3cyclictest25-21ksoftirqd/109:00:351
1535993327,4cyclictest25-21ksoftirqd/112:32:391
1535993327,4cyclictest25-21ksoftirqd/112:24:401
1535993327,4cyclictest25-21ksoftirqd/111:59:331
1535993327,4cyclictest25-21ksoftirqd/111:22:421
1535993327,4cyclictest25-21ksoftirqd/110:22:571
1535993327,4cyclictest25-21ksoftirqd/110:18:311
1535993327,4cyclictest25-21ksoftirqd/110:10:341
1535993327,4cyclictest25-21ksoftirqd/109:14:171
1535993327,4cyclictest25-21ksoftirqd/109:06:141
1535993327,4cyclictest25-21ksoftirqd/108:07:291
1534993328,3cyclictest9-21ksoftirqd/009:13:190
1534993328,3cyclictest9-21ksoftirqd/007:10:140
1534993327,3cyclictest9-21ksoftirqd/011:05:120
1534993327,3cyclictest9-21ksoftirqd/009:45:210
1534993327,3cyclictest9-21ksoftirqd/009:10:010
1534993326,5cyclictest9-21ksoftirqd/009:52:110
1534993326,4cyclictest9-21ksoftirqd/012:20:180
153499332,2cyclictest121rcu_preempt08:03:520
1537993227,3cyclictest41-21ksoftirqd/307:55:123
1537993227,3cyclictest41-21ksoftirqd/307:20:183
1537993226,4cyclictest41-21ksoftirqd/308:09:563
1537993225,4cyclictest41-21ksoftirqd/310:12:493
153699324,26cyclictest8321-21kworker/2:109:28:152
1536993228,3cyclictest33-21ksoftirqd/210:35:252
1536993228,3cyclictest33-21ksoftirqd/210:35:252
1536993227,3cyclictest33-21ksoftirqd/210:17:222
1536993226,4cyclictest33-21ksoftirqd/210:58:242
1536993226,4cyclictest33-21ksoftirqd/207:50:452
1536993226,4cyclictest33-21ksoftirqd/207:11:352
1536993226,3cyclictest33-21ksoftirqd/211:55:512
1536993225,4cyclictest33-21ksoftirqd/209:49:582
1536993225,4cyclictest33-21ksoftirqd/209:20:122
1535993227,3cyclictest25-21ksoftirqd/110:57:461
1535993227,3cyclictest25-21ksoftirqd/109:30:401
1535993226,4cyclictest25-21ksoftirqd/110:35:531
1535993226,4cyclictest25-21ksoftirqd/110:35:521
1535993226,4cyclictest25-21ksoftirqd/109:51:151
1535993226,4cyclictest25-21ksoftirqd/109:47:151
1534993227,3cyclictest9-21ksoftirqd/012:40:000
1534993227,3cyclictest9-21ksoftirqd/012:30:180
1534993227,3cyclictest9-21ksoftirqd/011:23:200
1534993227,3cyclictest9-21ksoftirqd/010:55:180
1534993227,3cyclictest9-21ksoftirqd/008:50:000
1534993227,3cyclictest9-21ksoftirqd/007:20:180
1534993226,4cyclictest9-21ksoftirqd/010:49:190
1534993226,4cyclictest9-21ksoftirqd/010:18:550
1534993226,4cyclictest9-21ksoftirqd/008:40:460
1534993226,4cyclictest9-21ksoftirqd/007:33:500
136991320,0ptp4l401ktimersoftd/312:20:153
1537993126,3cyclictest41-21ksoftirqd/312:35:203
1537993126,3cyclictest41-21ksoftirqd/310:53:353
1537993126,3cyclictest41-21ksoftirqd/309:19:213
1537993125,4cyclictest41-21ksoftirqd/310:48:183
1537993125,4cyclictest41-21ksoftirqd/310:44:053
1537993125,4cyclictest41-21ksoftirqd/309:49:093
1537993125,4cyclictest41-21ksoftirqd/309:31:163
1537993125,4cyclictest41-21ksoftirqd/309:20:053
1537993125,4cyclictest41-21ksoftirqd/307:19:453
1537993124,4cyclictest41-21ksoftirqd/308:38:203
1537993110,19cyclictest0-21swapper/312:10:363
153699319,20cyclictest11806-21seq10:53:372
1536993126,3cyclictest33-21ksoftirqd/212:27:402
1536993126,3cyclictest33-21ksoftirqd/211:29:492
1536993126,3cyclictest33-21ksoftirqd/210:47:242
1536993125,4cyclictest33-21ksoftirqd/212:06:082
1536993125,4cyclictest33-21ksoftirqd/210:42:032
1536993125,4cyclictest33-21ksoftirqd/207:30:552
1536993125,4cyclictest33-21ksoftirqd/207:29:432
1536993112,17cyclictest18536-21expr07:45:132
1536993111,18cyclictest24335-21sort09:05:152
1535993127,3cyclictest25-21ksoftirqd/109:20:011
1535993126,3cyclictest25-21ksoftirqd/111:30:111
1535993126,3cyclictest25-21ksoftirqd/111:27:111
1535993125,4cyclictest25-21ksoftirqd/110:49:041
1535993125,4cyclictest25-21ksoftirqd/110:31:311
1535993125,4cyclictest25-21ksoftirqd/109:59:141
1535993125,4cyclictest25-21ksoftirqd/109:24:081
1535993125,4cyclictest25-21ksoftirqd/108:29:571
1535993125,4cyclictest25-21ksoftirqd/108:12:181
1535993125,4cyclictest25-21ksoftirqd/107:30:511
1534993126,3cyclictest9-21ksoftirqd/012:10:010
1534993126,3cyclictest9-21ksoftirqd/011:54:260
1534993126,3cyclictest9-21ksoftirqd/011:35:000
1534993126,3cyclictest9-21ksoftirqd/010:32:510
1534993126,3cyclictest9-21ksoftirqd/010:30:010
1534993125,4cyclictest9-21ksoftirqd/012:17:370
1534993125,4cyclictest9-21ksoftirqd/008:13:430
1534993125,3cyclictest9-21ksoftirqd/012:00:170
1534993125,3cyclictest9-21ksoftirqd/010:00:160
1534993124,4cyclictest9-21ksoftirqd/011:48:450
1534993124,4cyclictest9-21ksoftirqd/008:52:570
136991310,6ptp4l153799cyclictest11:45:163
1537993026,3cyclictest41-21ksoftirqd/311:40:003
1537993025,3cyclictest41-21ksoftirqd/311:03:033
1537993024,4cyclictest41-21ksoftirqd/310:55:563
1537993024,4cyclictest41-21ksoftirqd/307:27:043
153699309,18cyclictest10114-21expr08:35:142
1536993024,4cyclictest33-21ksoftirqd/211:16:532
1536993023,4cyclictest33-21ksoftirqd/208:00:102
153699301,27cyclictest20644-21grep11:10:242
1535993026,3cyclictest25-21ksoftirqd/111:35:251
1535993025,3cyclictest25-21ksoftirqd/108:56:551
1535993024,4cyclictest25-21ksoftirqd/108:50:541
1535993023,4cyclictest25-21ksoftirqd/108:45:131
1534993026,3cyclictest9-21ksoftirqd/008:30:180
1534993026,3cyclictest9-21ksoftirqd/008:30:180
1534993025,3cyclictest9-21ksoftirqd/010:35:200
1534993025,3cyclictest9-21ksoftirqd/010:35:200
1534993025,3cyclictest9-21ksoftirqd/009:56:360
1534993024,3cyclictest9-21ksoftirqd/012:10:210
136991300,0ptp4l401ktimersoftd/311:07:203
136991300,0ptp4l401ktimersoftd/310:25:183
136991300,0ptp4l401ktimersoftd/309:01:393
136991300,0ptp4l401ktimersoftd/307:35:273
136991300,0ptp4l401ktimersoftd/307:31:213
1537992926,2cyclictest41-21ksoftirqd/308:40:203
1537992923,4cyclictest41-21ksoftirqd/309:14:033
1537992922,4cyclictest41-21ksoftirqd/307:45:583
153699298,19cyclictest17523-21sed11:05:162
1536992924,3cyclictest33-21ksoftirqd/207:18:472
1536992923,4cyclictest33-21ksoftirqd/211:50:352
1536992923,4cyclictest33-21ksoftirqd/210:26:322
1536992923,3cyclictest33-21ksoftirqd/210:30:132
1535992925,3cyclictest25-21ksoftirqd/108:17:191
1535992925,3cyclictest25-21ksoftirqd/107:40:181
1535992924,3cyclictest25-21ksoftirqd/112:19:061
1535992924,3cyclictest25-21ksoftirqd/112:06:381
1535992924,3cyclictest25-21ksoftirqd/111:05:581
1535992923,4cyclictest25-21ksoftirqd/111:12:271
1535992923,4cyclictest25-21ksoftirqd/107:49:521
1535992922,5cyclictest25-21ksoftirqd/110:41:061
1534992925,3cyclictest9-21ksoftirqd/011:00:190
1534992924,3cyclictest9-21ksoftirqd/009:30:190
1534992923,4cyclictest9-21ksoftirqd/009:25:110
136991290,0ptp4l401ktimersoftd/311:29:103
1537992823,3cyclictest41-21ksoftirqd/311:58:523
1537992823,3cyclictest41-21ksoftirqd/310:09:273
1537992822,4cyclictest41-21ksoftirqd/312:00:353
1537992822,4cyclictest41-21ksoftirqd/307:51:193
153699289,16cyclictest27945-21cpuspeed_turbos08:05:152
153699288,18cyclictest29689-21fschecks_time11:30:152
1536992813,13cyclictest15959-21open_inodes11:00:232
153699281,23cyclictest7311-21irqrtprio07:20:182
1535992823,3cyclictest25-21ksoftirqd/112:11:561
1535992823,3cyclictest25-21ksoftirqd/107:55:201
1535992823,3cyclictest25-21ksoftirqd/107:16:181
1535992822,4cyclictest25-21ksoftirqd/110:01:021
1535992822,4cyclictest25-21ksoftirqd/108:42:071
1534992824,3cyclictest9-21ksoftirqd/010:05:200
1534992823,3cyclictest9-21ksoftirqd/007:35:470
1534992822,3cyclictest9-21ksoftirqd/007:25:280
136991280,6ptp4l153799cyclictest09:55:103
1537992723,2cyclictest136991ptp4l10:20:213
1537992722,3cyclictest41-21ksoftirqd/308:17:453
1537992721,4cyclictest41-21ksoftirqd/308:49:203
153699275,3cyclictest22593-21cut09:00:182
1536992722,3cyclictest33-21ksoftirqd/210:14:262
1536992721,4cyclictest33-21ksoftirqd/207:42:402
1535992722,3cyclictest25-21ksoftirqd/111:03:331
1535992722,3cyclictest25-21ksoftirqd/110:05:261
1535992722,3cyclictest25-21ksoftirqd/108:35:201
1535992722,3cyclictest25-21ksoftirqd/107:50:121
1535992721,4cyclictest25-21ksoftirqd/108:22:131
1535992721,4cyclictest25-21ksoftirqd/108:03:491
136991270,0ptp4l401ktimersoftd/308:33:063
136991270,0ptp4l401ktimersoftd/308:33:063
1537992621,3cyclictest41-21ksoftirqd/311:50:193
1537992621,3cyclictest41-21ksoftirqd/308:12:253
153699264,3cyclictest15903-21tr09:55:132
1535992621,3cyclictest25-21ksoftirqd/107:36:211
1536992518,5cyclictest33-21ksoftirqd/207:55:062
1535992520,3cyclictest25-21ksoftirqd/112:00:371
1535992519,4cyclictest25-21ksoftirqd/110:28:221
1535992419,3cyclictest25-21ksoftirqd/107:23:271
1534992418,4cyclictest9-21ksoftirqd/008:27:340
136991240,0ptp4l401ktimersoftd/311:10:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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