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2026-05-02 - 21:22
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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 Sat May 02, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131812205172,22sleep10-21swapper/107:08:481
130332204171,22sleep30-21swapper/307:06:533
132622202168,23sleep20-21swapper/207:09:482
132052202170,21sleep00-21swapper/007:09:060
3024821660,6sleep01372799cyclictest07:40:260
1400721560,6sleep11372999cyclictest09:20:001
11882840,3sleep30-21swapper/311:05:013
113752690,7sleep2321ktimersoftd/212:30:002
13730995932,18cyclictest33-21ksoftirqd/207:50:002
220632530,3sleep222068-21irqrtprio08:30:192
220632530,3sleep222068-21irqrtprio08:30:192
167422530,2sleep20-21swapper/211:35:122
1372999490,3cyclictest16167-21runrttasks10:28:431
13730994833,12cyclictest33-21ksoftirqd/208:05:002
1372999471,2cyclictest0-21swapper/109:50:231
13731994640,3cyclictest18748-21grep10:35:003
1373099440,42cyclictest0-21swapper/211:30:222
1385914333,4phc2sys0-21swapper/307:10:023
138491430,0ptp4l401ktimersoftd/310:50:263
138491420,0ptp4l401ktimersoftd/312:10:133
138491420,0ptp4l401ktimersoftd/310:35:133
138491420,0ptp4l401ktimersoftd/309:42:383
1373099420,41cyclictest0-21swapper/211:55:232
13729994236,4cyclictest8869-21cron10:15:011
13729994213,27cyclictest0-21swapper/111:59:421
138491410,0ptp4l401ktimersoftd/309:20:263
138491410,0ptp4l401ktimersoftd/308:27:283
138491410,0ptp4l401ktimersoftd/308:20:163
1372999410,40cyclictest0-21swapper/107:26:431
1372999410,3cyclictest22504-21ps08:30:231
1372999410,3cyclictest22504-21ps08:30:231
13731994035,3cyclictest41-21ksoftirqd/307:30:003
13730994012,26cyclictest0-21swapper/208:22:532
138491390,0ptp4l401ktimersoftd/309:05:463
13727993933,3cyclictest9-21ksoftirqd/011:50:130
13727993933,3cyclictest9-21ksoftirqd/007:35:000
50798380,5rtkit-daemon13411-21chrt08:14:120
13731993833,3cyclictest41-21ksoftirqd/310:20:003
1372999380,2cyclictest0-21swapper/112:00:221
13727993833,3cyclictest9-21ksoftirqd/011:30:000
13727993833,3cyclictest9-21ksoftirqd/010:20:000
50798370,2rtkit-daemon0-21swapper/007:50:130
13731993732,3cyclictest41-21ksoftirqd/309:40:003
1373099379,27cyclictest0-21swapper/210:05:532
1373099371,34cyclictest0-21swapper/207:13:532
13729993730,5cyclictest25-21ksoftirqd/108:59:061
13727993733,2cyclictest9-21ksoftirqd/010:00:000
13727993733,2cyclictest9-21ksoftirqd/009:10:000
13727993732,3cyclictest9-21ksoftirqd/012:00:010
13727993732,3cyclictest9-21ksoftirqd/010:35:000
13727993732,3cyclictest9-21ksoftirqd/009:40:010
13727993732,2cyclictest9-21ksoftirqd/010:10:010
13731993631,3cyclictest41-21ksoftirqd/308:50:003
13730993630,4cyclictest33-21ksoftirqd/211:41:262
13730993630,4cyclictest33-21ksoftirqd/211:07:042
13730993630,4cyclictest33-21ksoftirqd/210:58:092
13730993630,4cyclictest33-21ksoftirqd/210:14:412
13730993630,4cyclictest33-21ksoftirqd/209:45:592
13729993630,4cyclictest25-21ksoftirqd/109:05:441
13727993632,2cyclictest9-21ksoftirqd/009:00:000
13727993632,2cyclictest9-21ksoftirqd/008:35:000
13727993632,2cyclictest9-21ksoftirqd/008:35:000
13727993631,3cyclictest9-21ksoftirqd/011:35:000
13727993631,3cyclictest9-21ksoftirqd/011:05:010
13727993631,3cyclictest9-21ksoftirqd/007:40:000
13731993532,2cyclictest41-21ksoftirqd/311:15:013
13731993530,3cyclictest41-21ksoftirqd/311:56:593
13731993530,3cyclictest41-21ksoftirqd/311:47:543
13731993530,3cyclictest41-21ksoftirqd/311:47:533
13731993530,3cyclictest41-21ksoftirqd/311:25:003
13731993530,3cyclictest41-21ksoftirqd/308:01:543
13731993529,4cyclictest41-21ksoftirqd/312:32:223
13731993529,4cyclictest41-21ksoftirqd/312:17:103
13731993529,4cyclictest41-21ksoftirqd/310:40:103
13731993529,4cyclictest41-21ksoftirqd/310:29:593
13731993529,4cyclictest41-21ksoftirqd/310:04:313
13731993529,3cyclictest41-21ksoftirqd/311:20:003
13730993529,4cyclictest33-21ksoftirqd/211:28:272
13730993529,4cyclictest33-21ksoftirqd/210:27:252
13730993529,4cyclictest33-21ksoftirqd/210:21:592
13730993529,4cyclictest33-21ksoftirqd/209:57:282
13730993529,4cyclictest33-21ksoftirqd/209:50:342
13730993529,4cyclictest33-21ksoftirqd/209:41:592
13730993529,4cyclictest33-21ksoftirqd/209:31:202
13730993529,4cyclictest33-21ksoftirqd/207:53:442
13730993528,4cyclictest33-21ksoftirqd/209:23:322
13730993513,19cyclictest5211-21sed07:55:242
13729993530,3cyclictest25-21ksoftirqd/111:25:001
13729993529,4cyclictest25-21ksoftirqd/111:36:561
13729993529,4cyclictest25-21ksoftirqd/110:47:141
13729993529,4cyclictest25-21ksoftirqd/110:47:141
13729993529,4cyclictest25-21ksoftirqd/108:21:551
13729993529,4cyclictest25-21ksoftirqd/107:33:371
13729993529,4cyclictest25-21ksoftirqd/107:11:041
13729993529,3cyclictest420-21rs:main1
13729993512,20cyclictest9675-21sed09:10:191
13727993530,3cyclictest9-21ksoftirqd/010:15:010
13727993530,3cyclictest9-21ksoftirqd/008:20:000
13727993529,4cyclictest9-21ksoftirqd/012:29:010
13727993529,4cyclictest9-21ksoftirqd/012:17:310
13727993529,3cyclictest9-21ksoftirqd/012:05:010
13731993429,3cyclictest41-21ksoftirqd/312:25:523
13731993429,3cyclictest41-21ksoftirqd/310:55:143
13731993429,3cyclictest41-21ksoftirqd/309:10:143
13731993429,3cyclictest41-21ksoftirqd/307:56:463
13731993429,2cyclictest41-21ksoftirqd/309:30:213
13731993428,4cyclictest41-21ksoftirqd/307:41:333
13731993428,4cyclictest41-21ksoftirqd/307:30:583
13731993427,5cyclictest41-21ksoftirqd/311:40:433
13730993429,3cyclictest33-21ksoftirqd/210:40:002
13730993429,3cyclictest33-21ksoftirqd/209:25:192
13730993428,4cyclictest33-21ksoftirqd/212:30:522
13730993428,4cyclictest33-21ksoftirqd/211:11:382
13730993428,4cyclictest33-21ksoftirqd/210:42:452
13730993428,4cyclictest33-21ksoftirqd/209:06:212
13730993428,4cyclictest33-21ksoftirqd/208:47:322
13730993428,4cyclictest33-21ksoftirqd/208:19:582
13730993428,4cyclictest33-21ksoftirqd/207:17:582
13730993428,3cyclictest33-21ksoftirqd/209:00:012
13730993411,20cyclictest9281-21cat09:10:142
13729993429,3cyclictest25-21ksoftirqd/107:46:441
13729993428,4cyclictest25-21ksoftirqd/112:30:591
13729993428,4cyclictest25-21ksoftirqd/111:41:461
13729993428,4cyclictest25-21ksoftirqd/110:50:431
13729993428,4cyclictest25-21ksoftirqd/109:04:401
13729993428,4cyclictest25-21ksoftirqd/108:10:041
13729993428,4cyclictest25-21ksoftirqd/107:56:401
13729993428,4cyclictest25-21ksoftirqd/107:43:281
13729993427,5cyclictest25-21ksoftirqd/107:15:531
1372999341,31cyclictest0-21swapper/110:05:231
13727993430,3cyclictest9-21ksoftirqd/011:38:160
13727993430,3cyclictest9-21ksoftirqd/008:40:140
13727993430,2cyclictest9-21ksoftirqd/007:10:190
13727993429,3cyclictest9-21ksoftirqd/011:20:420
13727993429,3cyclictest9-21ksoftirqd/010:45:280
13727993429,3cyclictest9-21ksoftirqd/010:45:270
13727993429,3cyclictest9-21ksoftirqd/009:16:120
13727993429,3cyclictest9-21ksoftirqd/008:40:000
13727993429,3cyclictest9-21ksoftirqd/008:00:130
13727993428,4cyclictest9-21ksoftirqd/009:32:350
13727993428,4cyclictest9-21ksoftirqd/007:56:550
13727993428,3cyclictest9-21ksoftirqd/011:50:000
13727993428,3cyclictest9-21ksoftirqd/011:50:000
13731993328,3cyclictest41-21ksoftirqd/311:37:133
13731993328,3cyclictest41-21ksoftirqd/308:10:203
13731993328,3cyclictest41-21ksoftirqd/308:06:213
13731993327,4cyclictest41-21ksoftirqd/308:36:583
13731993327,4cyclictest41-21ksoftirqd/307:24:323
13731993327,4cyclictest41-21ksoftirqd/307:18:563
13731993327,3cyclictest41-21ksoftirqd/309:20:003
13730993328,3cyclictest33-21ksoftirqd/211:23:592
13730993328,3cyclictest33-21ksoftirqd/207:41:592
13730993327,4cyclictest33-21ksoftirqd/212:12:232
13730993327,4cyclictest33-21ksoftirqd/210:45:502
13730993327,4cyclictest33-21ksoftirqd/210:45:492
13730993327,4cyclictest33-21ksoftirqd/208:11:252
13729993328,3cyclictest25-21ksoftirqd/109:38:551
13729993328,3cyclictest25-21ksoftirqd/107:22:491
13729993327,4cyclictest25-21ksoftirqd/112:06:001
13729993327,4cyclictest25-21ksoftirqd/111:28:541
13729993327,4cyclictest25-21ksoftirqd/111:01:581
13729993327,4cyclictest25-21ksoftirqd/109:55:351
13729993327,4cyclictest25-21ksoftirqd/109:24:581
13729993313,18cyclictest18271-21sed10:30:271
13729993310,3cyclictest26970-21expr09:45:131
1372999330,32cyclictest0-21swapper/111:34:131
1372999330,31cyclictest23674-21ls10:45:001
13727993330,2cyclictest9-21ksoftirqd/009:50:180
13727993330,2cyclictest9-21ksoftirqd/009:00:540
13727993328,3cyclictest9-21ksoftirqd/010:40:000
13727993328,3cyclictest9-21ksoftirqd/007:28:070
13727993327,4cyclictest9-21ksoftirqd/011:19:340
13727993327,4cyclictest9-21ksoftirqd/010:26:470
13727993327,4cyclictest9-21ksoftirqd/008:47:350
13727993327,4cyclictest9-21ksoftirqd/007:21:000
138491320,1ptp4l401ktimersoftd/308:15:103
138491320,0ptp4l401ktimersoftd/308:40:153
13731993227,3cyclictest41-21ksoftirqd/308:34:343
13731993227,3cyclictest41-21ksoftirqd/308:34:343
13731993226,4cyclictest41-21ksoftirqd/312:00:283
13731993226,4cyclictest41-21ksoftirqd/311:27:553
13731993226,4cyclictest41-21ksoftirqd/311:07:463
13731993226,4cyclictest41-21ksoftirqd/310:48:283
13731993226,4cyclictest41-21ksoftirqd/310:48:283
13731993226,4cyclictest41-21ksoftirqd/308:50:303
13730993227,3cyclictest33-21ksoftirqd/211:55:002
13730993227,3cyclictest33-21ksoftirqd/208:50:542
13730993226,4cyclictest33-21ksoftirqd/212:36:462
13730993226,4cyclictest33-21ksoftirqd/212:36:462
13730993226,4cyclictest33-21ksoftirqd/212:15:482
13729993227,3cyclictest25-21ksoftirqd/112:22:081
13729993227,3cyclictest25-21ksoftirqd/109:25:111
13729993227,3cyclictest25-21ksoftirqd/108:45:411
13729993227,3cyclictest25-21ksoftirqd/108:15:051
13729993226,4cyclictest25-21ksoftirqd/112:28:431
13729993226,4cyclictest25-21ksoftirqd/111:11:091
13729993226,4cyclictest25-21ksoftirqd/111:08:241
13727993228,2cyclictest9-21ksoftirqd/009:10:140
13727993227,3cyclictest9-21ksoftirqd/012:33:590
13727993227,3cyclictest9-21ksoftirqd/008:20:190
13727993227,3cyclictest9-21ksoftirqd/007:46:530
13727993227,3cyclictest9-21ksoftirqd/007:19:280
13727993225,5cyclictest9-21ksoftirqd/010:41:430
138491310,0ptp4l401ktimersoftd/312:20:513
138491310,0ptp4l401ktimersoftd/309:48:233
138491310,0ptp4l401ktimersoftd/308:55:023
13731993126,3cyclictest41-21ksoftirqd/312:37:163
13731993126,3cyclictest41-21ksoftirqd/312:37:163
13731993126,3cyclictest41-21ksoftirqd/309:25:123
13731993125,4cyclictest41-21ksoftirqd/307:53:013
13731993125,4cyclictest41-21ksoftirqd/307:48:443
13731993125,3cyclictest41-21ksoftirqd/309:50:183
13730993126,3cyclictest33-21ksoftirqd/208:44:502
13730993112,16cyclictest26861-21cut10:50:142
13730993111,17cyclictest12233-21grep09:15:142
13729993126,3cyclictest25-21ksoftirqd/112:14:301
13729993126,3cyclictest25-21ksoftirqd/111:15:531
13729993126,3cyclictest25-21ksoftirqd/110:01:541
13729993126,3cyclictest25-21ksoftirqd/108:38:271
13729993126,3cyclictest25-21ksoftirqd/107:54:551
13729993125,4cyclictest25-21ksoftirqd/108:25:321
13727993127,2cyclictest9-21ksoftirqd/010:03:010
13727993126,3cyclictest9-21ksoftirqd/011:09:190
13727993126,3cyclictest9-21ksoftirqd/010:55:280
13727993126,3cyclictest9-21ksoftirqd/010:53:500
13727993125,4cyclictest9-21ksoftirqd/011:14:570
13727993125,3cyclictest9-21ksoftirqd/012:12:090
13727993125,3cyclictest9-21ksoftirqd/008:55:000
13731993025,3cyclictest41-21ksoftirqd/311:30:123
13731993025,3cyclictest41-21ksoftirqd/310:06:043
13731993025,3cyclictest41-21ksoftirqd/309:04:513
13731993024,4cyclictest41-21ksoftirqd/312:05:063
13731993024,4cyclictest41-21ksoftirqd/311:52:303
13731993024,4cyclictest41-21ksoftirqd/307:36:243
1373099309,3cyclictest23324-21grep09:35:282
13730993025,3cyclictest33-21ksoftirqd/212:07:402
13730993025,3cyclictest33-21ksoftirqd/208:58:302
13730993025,3cyclictest33-21ksoftirqd/208:06:082
13730993025,3cyclictest33-21ksoftirqd/207:34:562
13730993024,4cyclictest33-21ksoftirqd/208:26:422
13730993024,4cyclictest33-21ksoftirqd/207:27:442
1373099301,6cyclictest1319-21snmpd12:20:112
13730993010,3cyclictest22618-21wc11:45:202
13730993010,3cyclictest22618-21wc11:45:202
13729993025,3cyclictest25-21ksoftirqd/112:35:121
13729993025,3cyclictest25-21ksoftirqd/112:35:121
13729993025,3cyclictest25-21ksoftirqd/111:45:431
13729993025,3cyclictest25-21ksoftirqd/111:45:421
13729993025,3cyclictest25-21ksoftirqd/108:04:311
13729993011,3cyclictest25611-21cat11:50:241
13727993026,3cyclictest9-21ksoftirqd/009:25:190
13727993026,3cyclictest9-21ksoftirqd/009:25:000
13727993024,4cyclictest9-21ksoftirqd/012:35:030
13727993024,4cyclictest9-21ksoftirqd/012:35:030
13727993024,4cyclictest9-21ksoftirqd/012:20:120
13727993024,4cyclictest9-21ksoftirqd/009:46:020
13731992924,3cyclictest41-21ksoftirqd/310:10:163
1373099298,3cyclictest31253-21cut12:05:012
1373099290,27cyclictest0-21swapper/210:30:032
1372999298,3cyclictest27617-21missed_timers08:40:211
13729992923,4cyclictest25-21ksoftirqd/112:18:521
13729992910,3cyclictest502-21cat08:50:251
1372999290,28cyclictest0-21swapper/109:40:331
13727992924,3cyclictest9-21ksoftirqd/008:25:140
13727992923,4cyclictest9-21ksoftirqd/008:05:050
13731992823,3cyclictest41-21ksoftirqd/309:55:183
1373099288,3cyclictest3969-21latency_hist10:05:012
1373099288,3cyclictest24000-21cstates08:35:132
13730992823,3cyclictest33-21ksoftirqd/210:15:482
1372999288,4cyclictest27642-21switchtime07:35:261
13729992822,4cyclictest25-21ksoftirqd/110:38:151
1372999282,15cyclictest22541-21kworker/1:210:15:041
13729992811,3cyclictest20665-21wc09:30:281
13727992823,3cyclictest9-21ksoftirqd/011:42:160
13727992823,3cyclictest9-21ksoftirqd/010:20:100
13727992823,3cyclictest9-21ksoftirqd/009:42:390
1372799280,2cyclictest121rcu_preempt12:05:190
1373099277,3cyclictest27941-21uptime07:35:282
13730992722,3cyclictest33-21ksoftirqd/207:21:442
13730992720,4cyclictest33-21ksoftirqd/211:20:002
13729992722,3cyclictest25-21ksoftirqd/108:06:001
13731992621,3cyclictest41-21ksoftirqd/310:20:203
1373099267,3cyclictest31484-21tr11:00:132
13729992621,3cyclictest25-21ksoftirqd/110:58:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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