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2025-12-25 - 21:16
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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 rackdslot4.osadl.org (updated Thu Dec 25, 2025 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591205161,33phc2sys0-21swapper/307:08:403
23932201167,22sleep00-21swapper/007:07:260
23952200167,22sleep10-21swapper/107:07:261
23432194162,21sleep20-21swapper/207:06:562
1069521860,6sleep1289099cyclictest09:35:121
25982161123,13sleep20-21swapper/207:10:012
1870421390,3sleep2289199cyclictest07:40:172
2914821350,6sleep2289199cyclictest11:15:202
2356121270,4sleep1289099cyclictest11:05:151
33662660,3sleep10-21swapper/112:35:141
33662660,3sleep10-21swapper/112:35:131
128362610,1sleep312835-21cpu07:30:143
107182600,2sleep30-21swapper/311:45:003
319102550,2sleep00-21swapper/008:05:220
45732480,2sleep30-21swapper/311:30:203
2892994811,5cyclictest41-21ksoftirqd/307:48:273
2890994639,4cyclictest30144-21cron09:10:001
289299455,4cyclictest0-21swapper/311:25:193
289299453,39cyclictest17847-21cron08:45:013
138491430,0ptp4l401ktimersoftd/307:27:323
2891994234,5cyclictest6174-21irqrtprio07:15:182
2890994237,3cyclictest25-21ksoftirqd/112:20:001
288999410,2cyclictest121rcu_preempt10:33:250
138491410,34ptp4l0-21swapper/307:10:013
2891994034,3cyclictest33-21ksoftirqd/210:19:592
2890994034,3cyclictest25-21ksoftirqd/111:45:001
2890993933,3cyclictest25-21ksoftirqd/111:54:591
2890993933,3cyclictest25-21ksoftirqd/109:25:001
138491390,0ptp4l401ktimersoftd/307:24:573
289299384,15cyclictest2984-21/usr/sbin/munin09:20:153
2892993822,13cyclictest41-21ksoftirqd/309:55:003
2890993832,3cyclictest25-21ksoftirqd/110:00:011
2890993832,3cyclictest25-21ksoftirqd/109:45:191
2890993832,3cyclictest25-21ksoftirqd/107:20:011
2889993831,4cyclictest9-21ksoftirqd/012:00:010
2892993730,5cyclictest41-21ksoftirqd/312:04:343
2891993731,4cyclictest33-21ksoftirqd/210:40:502
2890993731,3cyclictest25-21ksoftirqd/111:35:001
2890993731,3cyclictest25-21ksoftirqd/108:45:001
2890993731,3cyclictest25-21ksoftirqd/108:20:151
2890993731,3cyclictest25-21ksoftirqd/108:10:181
2890993731,3cyclictest25-21ksoftirqd/107:55:001
2890993730,3cyclictest25-21ksoftirqd/110:10:001
2889993732,3cyclictest9-21ksoftirqd/010:50:000
138491370,0ptp4l401ktimersoftd/311:00:133
2892993630,4cyclictest41-21ksoftirqd/309:03:413
2892993629,4cyclictest41-21ksoftirqd/310:00:023
2891993633,2cyclictest33-21ksoftirqd/207:40:012
2891993630,4cyclictest33-21ksoftirqd/209:55:112
2891993630,4cyclictest33-21ksoftirqd/209:27:152
2891993630,4cyclictest33-21ksoftirqd/209:24:542
2891993629,5cyclictest33-21ksoftirqd/210:54:592
2891993629,4cyclictest33-21ksoftirqd/209:47:012
2890993631,3cyclictest25-21ksoftirqd/112:30:201
2890993631,3cyclictest25-21ksoftirqd/109:25:191
2890993630,4cyclictest25-21ksoftirqd/110:25:331
2890993630,4cyclictest25-21ksoftirqd/109:43:071
2890993630,4cyclictest25-21ksoftirqd/109:00:381
2890993630,3cyclictest25-21ksoftirqd/109:35:001
2890993629,4cyclictest2719-21cron09:19:591
2890993629,3cyclictest25-21ksoftirqd/110:15:001
2889993631,3cyclictest9-21ksoftirqd/012:00:130
2889993630,4cyclictest9-21ksoftirqd/008:57:000
2889993630,4cyclictest9-21ksoftirqd/007:53:300
2892993529,4cyclictest41-21ksoftirqd/311:35:503
2892993529,4cyclictest41-21ksoftirqd/311:13:353
2892993528,4cyclictest41-21ksoftirqd/309:26:053
2891993530,3cyclictest33-21ksoftirqd/210:40:012
2891993529,4cyclictest33-21ksoftirqd/212:33:092
2891993529,4cyclictest33-21ksoftirqd/210:46:182
2891993529,4cyclictest33-21ksoftirqd/208:11:342
2891993529,3cyclictest33-21ksoftirqd/208:20:202
2890993530,3cyclictest25-21ksoftirqd/108:00:291
2890993529,4cyclictest25-21ksoftirqd/111:23:161
2890993529,4cyclictest25-21ksoftirqd/108:35:311
2890993529,4cyclictest25-21ksoftirqd/108:27:501
2890993529,3cyclictest25-21ksoftirqd/110:40:181
2890993529,3cyclictest25-21ksoftirqd/110:35:001
2890993529,3cyclictest25-21ksoftirqd/107:45:191
2890993529,3cyclictest25-21ksoftirqd/107:22:451
2890993528,4cyclictest25-21ksoftirqd/110:53:561
2889993529,4cyclictest9-21ksoftirqd/012:28:100
2889993529,4cyclictest9-21ksoftirqd/012:24:100
2889993529,4cyclictest9-21ksoftirqd/007:48:530
2889993528,4cyclictest9-21ksoftirqd/007:40:110
2892993429,3cyclictest41-21ksoftirqd/310:43:463
2892993428,4cyclictest41-21ksoftirqd/309:42:583
2891993429,3cyclictest33-21ksoftirqd/209:30:202
2891993429,3cyclictest33-21ksoftirqd/209:15:182
2891993429,3cyclictest33-21ksoftirqd/208:40:272
2891993428,4cyclictest33-21ksoftirqd/212:15:442
2891993428,4cyclictest33-21ksoftirqd/212:09:342
2891993428,4cyclictest33-21ksoftirqd/212:09:342
2891993428,4cyclictest33-21ksoftirqd/211:31:122
2891993428,4cyclictest33-21ksoftirqd/209:41:232
2891993428,4cyclictest33-21ksoftirqd/208:31:282
2891993428,4cyclictest33-21ksoftirqd/208:26:012
2890993429,3cyclictest25-21ksoftirqd/110:40:001
2890993429,3cyclictest25-21ksoftirqd/110:20:211
2890993428,4cyclictest25-21ksoftirqd/112:21:091
2890993428,4cyclictest25-21ksoftirqd/112:03:561
2890993428,4cyclictest25-21ksoftirqd/111:19:391
2890993428,4cyclictest25-21ksoftirqd/108:57:261
2890993428,3cyclictest25-21ksoftirqd/111:55:121
2890993428,3cyclictest25-21ksoftirqd/111:15:001
2890993427,4cyclictest25-21ksoftirqd/109:11:261
2889993430,2cyclictest9-21ksoftirqd/007:20:010
2889993428,4cyclictest9-21ksoftirqd/010:44:050
2889993428,4cyclictest9-21ksoftirqd/010:08:180
2889993428,4cyclictest9-21ksoftirqd/009:57:460
2889993428,4cyclictest9-21ksoftirqd/009:52:040
2889993428,4cyclictest9-21ksoftirqd/009:18:030
2892993328,3cyclictest41-21ksoftirqd/312:07:523
2892993328,3cyclictest41-21ksoftirqd/312:07:513
2892993328,3cyclictest41-21ksoftirqd/308:37:343
2891993328,3cyclictest33-21ksoftirqd/211:50:202
2891993328,3cyclictest33-21ksoftirqd/208:09:222
2891993327,4cyclictest33-21ksoftirqd/211:25:392
2891993327,4cyclictest33-21ksoftirqd/211:11:512
2891993327,4cyclictest33-21ksoftirqd/211:01:592
2891993327,4cyclictest33-21ksoftirqd/209:38:112
2891993327,4cyclictest33-21ksoftirqd/209:03:152
2891993327,4cyclictest33-21ksoftirqd/208:53:572
2891993327,4cyclictest33-21ksoftirqd/207:48:022
2891993327,3cyclictest33-21ksoftirqd/207:57:502
2890993327,4cyclictest25-21ksoftirqd/112:25:501
2890993327,4cyclictest25-21ksoftirqd/111:38:121
2890993327,4cyclictest25-21ksoftirqd/110:47:291
2890993327,3cyclictest25-21ksoftirqd/109:55:001
2890993327,3cyclictest25-21ksoftirqd/108:15:191
2890993327,3cyclictest25-21ksoftirqd/107:35:011
2889993328,3cyclictest9-21ksoftirqd/012:10:000
2889993328,3cyclictest9-21ksoftirqd/012:10:000
2889993328,3cyclictest9-21ksoftirqd/011:48:270
2889993327,4cyclictest9-21ksoftirqd/011:54:530
2889993327,4cyclictest9-21ksoftirqd/011:35:400
2889993327,4cyclictest9-21ksoftirqd/007:55:380
2892993226,4cyclictest41-21ksoftirqd/311:53:393
2892993226,3cyclictest41-21ksoftirqd/308:55:133
2892993225,4cyclictest41-21ksoftirqd/310:58:083
2892993225,4cyclictest41-21ksoftirqd/310:38:213
2891993227,3cyclictest33-21ksoftirqd/212:15:002
2891993227,3cyclictest33-21ksoftirqd/210:09:362
2891993227,3cyclictest33-21ksoftirqd/210:01:292
2891993227,3cyclictest33-21ksoftirqd/209:15:012
2891993227,3cyclictest33-21ksoftirqd/209:05:182
2891993226,4cyclictest33-21ksoftirqd/208:35:452
2891993226,3cyclictest33-21ksoftirqd/212:35:112
2891993226,3cyclictest33-21ksoftirqd/212:35:112
2891993226,3cyclictest33-21ksoftirqd/212:25:132
2891993226,3cyclictest33-21ksoftirqd/211:38:002
2891993225,5cyclictest33-21ksoftirqd/207:28:412
2891993220,9cyclictest33-21ksoftirqd/211:55:252
2890993228,3cyclictest25-21ksoftirqd/112:10:011
2890993228,3cyclictest25-21ksoftirqd/112:10:011
2890993226,4cyclictest25-21ksoftirqd/111:04:071
2890993226,4cyclictest25-21ksoftirqd/110:02:201
2890993226,3cyclictest25-21ksoftirqd/111:50:001
2890993226,3cyclictest25-21ksoftirqd/110:20:001
2890993226,3cyclictest25-21ksoftirqd/108:45:191
2890993226,3cyclictest25-21ksoftirqd/107:55:111
2890993225,4cyclictest14369-21kworker/1:212:10:251
2890993224,5cyclictest25-21ksoftirqd/107:35:181
2889993227,3cyclictest9-21ksoftirqd/012:16:030
2889993227,3cyclictest9-21ksoftirqd/012:10:280
2889993227,3cyclictest9-21ksoftirqd/011:41:170
2889993227,3cyclictest9-21ksoftirqd/011:06:020
2889993226,4cyclictest9-21ksoftirqd/011:23:440
2889993226,4cyclictest9-21ksoftirqd/011:04:250
2889993226,4cyclictest9-21ksoftirqd/010:56:230
2889993226,4cyclictest9-21ksoftirqd/009:09:130
2889993226,4cyclictest9-21ksoftirqd/008:41:570
2889993225,4cyclictest9-21ksoftirqd/010:15:430
138491320,2ptp4l0-21swapper/308:50:203
138491320,1ptp4l391rcuc/308:03:003
289299314,6cyclictest0-21swapper/311:55:233
2892993126,3cyclictest41-21ksoftirqd/311:15:263
2892993126,3cyclictest41-21ksoftirqd/309:45:113
2892993126,3cyclictest41-21ksoftirqd/308:15:113
2892993125,4cyclictest41-21ksoftirqd/310:33:233
2892993125,4cyclictest41-21ksoftirqd/308:26:473
2892993125,4cyclictest41-21ksoftirqd/307:18:243
2892993125,3cyclictest41-21ksoftirqd/309:30:023
2891993126,3cyclictest33-21ksoftirqd/211:10:012
2891993125,4cyclictest33-21ksoftirqd/212:20:472
2891993125,4cyclictest33-21ksoftirqd/207:21:312
2891993125,3cyclictest33-21ksoftirqd/209:50:182
2891993124,5cyclictest33-21ksoftirqd/210:58:542
2891993120,9cyclictest33-21ksoftirqd/211:20:252
2890993127,2cyclictest25-21ksoftirqd/107:25:121
2890993126,3cyclictest25-21ksoftirqd/107:40:141
2890993124,3cyclictest25-21ksoftirqd/108:55:001
2889993126,3cyclictest9-21ksoftirqd/010:11:230
2889993126,3cyclictest9-21ksoftirqd/010:00:310
2889993126,3cyclictest9-21ksoftirqd/008:40:010
2889993126,3cyclictest9-21ksoftirqd/008:10:190
2889993126,3cyclictest9-21ksoftirqd/007:13:510
2889993125,4cyclictest9-21ksoftirqd/009:49:070
2889993125,4cyclictest9-21ksoftirqd/009:31:310
2889993125,4cyclictest9-21ksoftirqd/008:31:380
2889993125,4cyclictest9-21ksoftirqd/007:38:260
2889993125,4cyclictest9-21ksoftirqd/007:26:300
2889993124,5cyclictest9-21ksoftirqd/007:22:090
2889993124,4cyclictest9-21ksoftirqd/007:34:050
289299303,16cyclictest1967-21Xorg10:15:593
2892993025,3cyclictest41-21ksoftirqd/312:28:413
2892993025,3cyclictest41-21ksoftirqd/311:46:093
2892993025,3cyclictest41-21ksoftirqd/309:08:313
2891993025,3cyclictest33-21ksoftirqd/212:00:282
2891993025,3cyclictest33-21ksoftirqd/210:34:192
2891993025,3cyclictest33-21ksoftirqd/210:14:402
2891993025,3cyclictest33-21ksoftirqd/208:15:132
2891993024,4cyclictest33-21ksoftirqd/210:22:032
2891993024,4cyclictest33-21ksoftirqd/208:46:072
2891993024,4cyclictest33-21ksoftirqd/207:52:442
2891993023,4cyclictest33-21ksoftirqd/207:31:552
2890993025,3cyclictest25-21ksoftirqd/110:55:201
2889993025,3cyclictest9-21ksoftirqd/009:43:150
2889993025,3cyclictest9-21ksoftirqd/008:54:070
2889993024,4cyclictest9-21ksoftirqd/010:21:330
2889993024,4cyclictest9-21ksoftirqd/008:22:060
2889993024,4cyclictest9-21ksoftirqd/008:16:050
2889993023,4cyclictest9-21ksoftirqd/012:30:300
138491300,0ptp4l401ktimersoftd/311:20:173
2892992924,3cyclictest41-21ksoftirqd/312:35:293
2892992924,3cyclictest41-21ksoftirqd/312:35:283
2892992923,4cyclictest41-21ksoftirqd/310:53:103
2891992924,3cyclictest33-21ksoftirqd/208:04:582
2891992923,4cyclictest33-21ksoftirqd/211:44:002
2890992924,3cyclictest25-21ksoftirqd/108:10:001
2889992924,3cyclictest9-21ksoftirqd/010:25:080
2889992924,3cyclictest9-21ksoftirqd/009:24:420
2889992924,3cyclictest9-21ksoftirqd/009:01:110
2889992923,4cyclictest9-21ksoftirqd/012:36:520
2889992923,4cyclictest9-21ksoftirqd/012:36:520
2889992923,4cyclictest9-21ksoftirqd/011:30:060
2889992923,4cyclictest9-21ksoftirqd/009:28:540
2889992923,4cyclictest9-21ksoftirqd/008:04:570
2889992923,3cyclictest9-21ksoftirqd/010:50:040
2892992824,2cyclictest41-21ksoftirqd/307:40:133
2892992823,3cyclictest41-21ksoftirqd/310:11:333
2892992823,3cyclictest41-21ksoftirqd/307:59:583
2892992823,3cyclictest41-21ksoftirqd/307:35:373
2892992822,4cyclictest41-21ksoftirqd/312:22:073
2892992822,4cyclictest41-21ksoftirqd/312:17:143
2892992822,4cyclictest41-21ksoftirqd/308:15:003
2892992822,4cyclictest41-21ksoftirqd/307:51:053
2891992819,7cyclictest33-21ksoftirqd/211:45:242
2890992823,3cyclictest25-21ksoftirqd/111:25:361
2890992823,3cyclictest25-21ksoftirqd/107:10:251
2889992823,3cyclictest9-21ksoftirqd/011:16:220
2889992823,3cyclictest9-21ksoftirqd/011:10:120
2889992823,3cyclictest9-21ksoftirqd/009:39:560
2889992823,3cyclictest9-21ksoftirqd/008:28:040
289299275,5cyclictest41-21ksoftirqd/309:11:323
2892992722,3cyclictest41-21ksoftirqd/312:33:433
2892992722,3cyclictest41-21ksoftirqd/312:15:003
2892992722,3cyclictest41-21ksoftirqd/311:05:203
2892992722,3cyclictest41-21ksoftirqd/310:27:083
2892992722,3cyclictest41-21ksoftirqd/310:08:133
2892992721,4cyclictest41-21ksoftirqd/309:36:433
2891992722,3cyclictest33-21ksoftirqd/210:28:412
2891992722,3cyclictest33-21ksoftirqd/208:56:552
2890992721,3cyclictest25-21ksoftirqd/108:30:111
2889992722,3cyclictest9-21ksoftirqd/011:28:540
2889992721,4cyclictest9-21ksoftirqd/010:38:110
2892992622,3cyclictest41-21ksoftirqd/309:19:563
2892992621,3cyclictest41-21ksoftirqd/308:31:243
2892992621,3cyclictest41-21ksoftirqd/308:05:203
2889992621,3cyclictest9-21ksoftirqd/009:14:020
138491260,1ptp4l401ktimersoftd/310:45:113
2892992519,4cyclictest41-21ksoftirqd/309:55:523
289299248,6cyclictest41-21ksoftirqd/308:49:173
2892992418,4cyclictest41-21ksoftirqd/310:22:013
138491240,0ptp4l401ktimersoftd/308:21:593
2889992317,4cyclictest9-21ksoftirqd/008:49:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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