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2026-07-24 - 19:04
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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 Jul 24, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169662206172,23sleep20-21swapper/207:07:492
139491206173,22phc2sys0-21swapper/307:06:023
168502202170,21sleep10-21swapper/107:06:201
168492202169,22sleep00-21swapper/007:06:180
1743499692,22cyclictest28351-21grep10:55:142
1743499690,26cyclictest1992-21grep08:50:232
1743499650,29cyclictest2987-21date11:10:012
1743499640,24cyclictest16377-21date08:15:002
1743499611,21cyclictest2877-21missed_timers12:15:202
1743499590,23cyclictest6329-21awk07:50:292
237342570,2sleep20-21swapper/211:50:272
1743499570,23cyclictest23648-21awk07:20:262
139391550,1ptp4l401ktimersoftd/311:13:193
17432995249,2cyclictest111rcuc/011:45:140
17432995224,9cyclictest9-21ksoftirqd/007:55:170
17432995219,5cyclictest9-21ksoftirqd/008:17:070
128132510,2sleep20-21swapper/211:30:132
1743299505,8cyclictest9-21ksoftirqd/011:25:180
17432994924,8cyclictest9-21ksoftirqd/008:45:140
17432994916,7cyclictest9-21ksoftirqd/011:20:280
17432994831,10cyclictest9-21ksoftirqd/011:40:000
1743299482,5cyclictest9-21ksoftirqd/010:10:000
1743499470,23cyclictest28845-21awk09:45:262
1743499470,22cyclictest110462sleep210:18:322
1743299475,6cyclictest24607-21ls10:45:200
1743299474,7cyclictest9-21ksoftirqd/008:05:160
1743299474,6cyclictest1317-21runrttasks11:55:020
1743299473,5cyclictest9-21ksoftirqd/009:30:010
1743299473,10cyclictest9-21ksoftirqd/009:05:150
17432994729,8cyclictest9-21ksoftirqd/010:15:150
1743299472,5cyclictest9-21ksoftirqd/008:58:590
1743299471,5cyclictest9-21ksoftirqd/007:45:160
1743299465,5cyclictest9-21ksoftirqd/008:35:120
17432994628,8cyclictest9-21ksoftirqd/009:40:250
1743299462,5cyclictest9-21ksoftirqd/010:55:170
1743299462,5cyclictest9-21ksoftirqd/009:00:200
1743299460,12cyclictest9-21ksoftirqd/011:11:230
1743299454,6cyclictest9-21ksoftirqd/010:25:140
1743299453,5cyclictest9-21ksoftirqd/011:15:170
1743299453,4cyclictest9-21ksoftirqd/011:30:250
1743299452,5cyclictest9-21ksoftirqd/009:35:010
17435994439,2cyclictest41-21ksoftirqd/307:40:003
17434994438,3cyclictest207-21systemd-journal11:49:552
1743299445,7cyclictest9-21ksoftirqd/008:55:000
1743299445,6cyclictest661-21ps09:55:280
1743299444,6cyclictest9-21ksoftirqd/007:15:300
1743299443,7cyclictest9-21ksoftirqd/010:00:160
1743299443,7cyclictest9-21ksoftirqd/009:45:240
1743299443,5cyclictest9-21ksoftirqd/012:30:280
1743299443,3cyclictest9-21ksoftirqd/010:40:100
1743299442,5cyclictest9-21ksoftirqd/010:50:210
1743299442,5cyclictest9-21ksoftirqd/010:50:210
1743299441,7cyclictest9-21ksoftirqd/009:10:220
1743299441,5cyclictest9-21ksoftirqd/012:25:170
1743299440,5cyclictest9-21ksoftirqd/009:50:250
1743299435,6cyclictest9-21ksoftirqd/008:40:130
1743299433,7cyclictest9-21ksoftirqd/008:30:180
1743299433,5cyclictest9-21ksoftirqd/012:00:280
17432994328,4cyclictest9-21ksoftirqd/007:35:010
139391430,0ptp4l401ktimersoftd/310:43:023
139391430,0ptp4l401ktimersoftd/310:00:063
139391430,0ptp4l401ktimersoftd/309:20:013
1743499421,24cyclictest28463-21switchtime12:00:262
1743299425,5cyclictest9-21ksoftirqd/008:20:190
1743299424,4cyclictest9-21ksoftirqd/010:35:200
17432994227,4cyclictest9-21ksoftirqd/007:10:140
17432994226,4cyclictest9-21ksoftirqd/011:40:260
17432994226,4cyclictest9-21ksoftirqd/011:00:160
17432994226,4cyclictest9-21ksoftirqd/010:10:140
1743499410,30cyclictest0-21swapper/212:35:172
1743499410,30cyclictest0-21swapper/212:35:162
1743299415,5cyclictest9-21ksoftirqd/012:20:170
1743299414,6cyclictest9-21ksoftirqd/010:20:130
1743299412,7cyclictest9-21ksoftirqd/007:50:240
1743299412,7cyclictest16751-21timedrift09:20:260
17432994114,9cyclictest9-21ksoftirqd/007:20:150
139391410,0ptp4l401ktimersoftd/307:25:143
17435994034,3cyclictest41-21ksoftirqd/311:24:593
1743499401,23cyclictest7086-21fschecks_count10:10:152
1743299405,7cyclictest9-21ksoftirqd/009:35:150
1743299403,7cyclictest9-21ksoftirqd/008:25:200
1743299402,5cyclictest9-21ksoftirqd/007:40:220
1743499391,23cyclictest9440-21cat11:20:272
1743499391,19cyclictest0-21swapper/212:30:192
1743499390,23cyclictest15418-21timerwakeupswit10:25:272
1743299395,6cyclictest9-21ksoftirqd/012:37:150
1743299395,6cyclictest9-21ksoftirqd/012:37:150
17432993932,4cyclictest29080-21cron07:35:010
139391390,0ptp4l401ktimersoftd/309:35:193
17435993833,3cyclictest41-21ksoftirqd/312:20:013
17434993831,4cyclictest33-21ksoftirqd/208:55:492
1743299386,5cyclictest9-21ksoftirqd/012:15:240
1743299386,2cyclictest9-21ksoftirqd/010:30:110
1743299384,6cyclictest9-21ksoftirqd/012:06:320
1743299384,6cyclictest9-21ksoftirqd/012:06:310
1743299383,5cyclictest9-21ksoftirqd/011:05:420
1743299382,5cyclictest9-21ksoftirqd/008:10:140
139391380,0ptp4l401ktimersoftd/308:50:223
17435993733,2cyclictest41-21ksoftirqd/311:05:013
17435993732,3cyclictest41-21ksoftirqd/307:50:003
17435993732,2cyclictest41-21ksoftirqd/307:19:593
17435993730,3cyclictest41-21ksoftirqd/311:40:003
1743499370,22cyclictest7698-21irqrtprio07:55:212
1743499370,22cyclictest6081-21df_abs09:00:132
1743499370,22cyclictest16583-21fschecks_count10:30:162
17433993730,5cyclictest25-21ksoftirqd/110:46:031
17432993732,3cyclictest9-21ksoftirqd/009:20:000
1743299370,7cyclictest9-21ksoftirqd/011:50:220
57898360,3rtkit-daemon31650-21ls11:00:211
17435993631,3cyclictest41-21ksoftirqd/312:10:003
17435993631,3cyclictest41-21ksoftirqd/312:10:003
17435993631,3cyclictest41-21ksoftirqd/311:55:193
17435993631,3cyclictest41-21ksoftirqd/311:25:193
17435993631,2cyclictest41-21ksoftirqd/311:45:013
17435993630,3cyclictest41-21ksoftirqd/309:35:003
17435993630,3cyclictest41-21ksoftirqd/308:40:013
17435993630,3cyclictest41-21ksoftirqd/308:05:013
17433993630,4cyclictest25-21ksoftirqd/112:06:061
17433993630,4cyclictest25-21ksoftirqd/112:06:061
17433993630,4cyclictest25-21ksoftirqd/110:26:371
17433993630,4cyclictest25-21ksoftirqd/109:18:491
17433993630,4cyclictest25-21ksoftirqd/108:56:271
17433993630,4cyclictest25-21ksoftirqd/108:38:391
17433993629,4cyclictest25-21ksoftirqd/110:52:051
17433993629,4cyclictest25-21ksoftirqd/110:52:051
17433993629,4cyclictest25-21ksoftirqd/109:40:011
1743299363,8cyclictest9-21ksoftirqd/012:11:130
17435993532,2cyclictest391rcuc/309:40:203
17435993531,2cyclictest41-21ksoftirqd/311:55:023
17435993531,2cyclictest41-21ksoftirqd/307:15:003
17435993530,3cyclictest41-21ksoftirqd/310:20:183
17435993530,3cyclictest41-21ksoftirqd/310:00:003
17435993530,3cyclictest41-21ksoftirqd/309:50:133
17435993530,3cyclictest41-21ksoftirqd/308:05:183
17435993529,4cyclictest41-21ksoftirqd/312:21:093
17435993529,4cyclictest41-21ksoftirqd/310:12:163
17435993529,4cyclictest41-21ksoftirqd/308:15:453
17435993529,4cyclictest41-21ksoftirqd/307:50:543
17435993529,4cyclictest41-21ksoftirqd/307:43:293
17435993529,3cyclictest41-21ksoftirqd/310:20:003
17435993529,3cyclictest41-21ksoftirqd/307:33:033
1743599352,30cyclictest31139-21kworker/3:208:20:123
17434993530,3cyclictest33-21ksoftirqd/208:48:472
1743499350,32cyclictest30863-21grep07:35:262
1743499350,1cyclictest0-21swapper/207:12:492
17433993530,3cyclictest25-21ksoftirqd/110:22:001
17433993529,4cyclictest25-21ksoftirqd/107:55:051
17433993529,4cyclictest25-21ksoftirqd/107:30:351
17433993528,5cyclictest25-21ksoftirqd/111:08:131
17433993528,4cyclictest25-21ksoftirqd/108:00:591
1743299354,7cyclictest9-21ksoftirqd/007:25:240
17435993430,2cyclictest41-21ksoftirqd/311:50:013
17435993430,2cyclictest41-21ksoftirqd/310:40:003
17435993429,3cyclictest41-21ksoftirqd/310:28:263
17435993429,3cyclictest41-21ksoftirqd/308:10:153
17435993429,3cyclictest41-21ksoftirqd/307:58:123
17435993428,4cyclictest41-21ksoftirqd/312:12:143
1743599341,30cyclictest29200-21irqrtprio08:40:193
17434993428,4cyclictest33-21ksoftirqd/211:17:532
17434993428,4cyclictest33-21ksoftirqd/210:24:392
17434993428,3cyclictest33-21ksoftirqd/210:00:132
17434993427,5cyclictest33-21ksoftirqd/208:20:022
17434993427,4cyclictest33-21ksoftirqd/210:50:022
17434993427,4cyclictest33-21ksoftirqd/210:50:022
1743499341,30cyclictest2119-21apt-get07:45:122
1743499340,31cyclictest12141-1kworker/2:2H08:30:012
1743499340,30cyclictest28835-21df08:40:132
17433993429,3cyclictest25-21ksoftirqd/111:20:111
17433993429,3cyclictest25-21ksoftirqd/110:15:141
17433993428,4cyclictest25-21ksoftirqd/111:31:241
17433993428,4cyclictest25-21ksoftirqd/111:26:551
17433993428,4cyclictest25-21ksoftirqd/109:23:431
17433993428,3cyclictest1557-21cron09:59:591
17433993427,5cyclictest25-21ksoftirqd/108:19:121
17433993427,4cyclictest25-21ksoftirqd/109:32:131
17433993427,4cyclictest25-21ksoftirqd/107:18:401
17435993330,2cyclictest41-21ksoftirqd/309:15:193
17435993329,3cyclictest41-21ksoftirqd/312:40:003
17435993329,3cyclictest41-21ksoftirqd/312:40:003
17435993329,3cyclictest41-21ksoftirqd/310:55:143
17435993328,3cyclictest41-21ksoftirqd/310:07:333
17435993328,3cyclictest41-21ksoftirqd/308:59:593
17435993327,4cyclictest41-21ksoftirqd/311:18:023
17435993327,4cyclictest41-21ksoftirqd/309:27:143
17435993327,4cyclictest41-21ksoftirqd/309:01:523
17434993328,3cyclictest33-21ksoftirqd/209:30:002
17434993328,3cyclictest33-21ksoftirqd/207:15:182
17434993327,4cyclictest33-21ksoftirqd/211:26:322
17434993327,4cyclictest33-21ksoftirqd/209:35:072
17434993327,4cyclictest33-21ksoftirqd/209:34:152
17434993327,4cyclictest33-21ksoftirqd/208:17:262
17434993326,4cyclictest33-21ksoftirqd/208:33:412
1743499331,29cyclictest17094-21ls11:40:002
17433993328,3cyclictest25-21ksoftirqd/111:10:531
17433993328,3cyclictest25-21ksoftirqd/109:44:181
17433993327,4cyclictest25-21ksoftirqd/112:38:071
17433993327,4cyclictest25-21ksoftirqd/112:38:071
17433993327,4cyclictest25-21ksoftirqd/110:02:021
17433993327,4cyclictest25-21ksoftirqd/109:25:391
17433993327,4cyclictest25-21ksoftirqd/108:41:081
17433993327,4cyclictest25-21ksoftirqd/108:33:411
17433993327,4cyclictest25-21ksoftirqd/108:26:581
17433993326,4cyclictest25-21ksoftirqd/112:14:121
17433993326,4cyclictest25-21ksoftirqd/110:11:421
17432993327,4cyclictest9-21ksoftirqd/008:02:270
57898320,2rtkit-daemon0-21swapper/107:41:501
17435993228,3cyclictest41-21ksoftirqd/312:30:003
17435993227,3cyclictest41-21ksoftirqd/309:50:003
17435993227,3cyclictest41-21ksoftirqd/309:10:183
17435993227,3cyclictest41-21ksoftirqd/308:30:013
17435993227,3cyclictest41-21ksoftirqd/307:25:003
17435993226,4cyclictest41-21ksoftirqd/310:48:583
17435993226,3cyclictest41-21ksoftirqd/308:48:033
17435993225,4cyclictest41-21ksoftirqd/312:32:363
17434993227,3cyclictest33-21ksoftirqd/211:03:422
17434993227,3cyclictest33-21ksoftirqd/209:24:552
17434993226,4cyclictest33-21ksoftirqd/212:05:082
17434993226,4cyclictest33-21ksoftirqd/212:05:072
17434993226,4cyclictest33-21ksoftirqd/209:15:102
17434993226,3cyclictest3689-21irqrtprio11:10:182
17434993225,4cyclictest33-21ksoftirqd/208:38:032
17434993225,4cyclictest33-21ksoftirqd/208:09:182
17433993227,3cyclictest25-21ksoftirqd/112:22:161
17433993227,3cyclictest25-21ksoftirqd/110:57:271
17433993227,3cyclictest25-21ksoftirqd/108:08:301
17433993226,4cyclictest25-21ksoftirqd/107:29:381
17433993226,3cyclictest25-21ksoftirqd/107:45:061
17433993224,5cyclictest25-21ksoftirqd/110:31:191
139391320,0ptp4l401ktimersoftd/310:50:433
139391320,0ptp4l401ktimersoftd/310:50:433
17435993126,3cyclictest41-21ksoftirqd/311:30:113
17435993126,3cyclictest41-21ksoftirqd/310:34:593
17435993126,3cyclictest41-21ksoftirqd/309:05:103
1743499317,21cyclictest11945-21kworker/2:210:35:012
17434993126,3cyclictest33-21ksoftirqd/212:25:112
17434993126,3cyclictest33-21ksoftirqd/207:30:112
17434993125,4cyclictest33-21ksoftirqd/211:41:242
17434993125,4cyclictest33-21ksoftirqd/209:40:072
17434993124,4cyclictest33-21ksoftirqd/209:09:442
1743499311,29cyclictest30266-21kworker/2:108:03:142
1743499310,26cyclictest5808-21awk10:05:252
17433993126,3cyclictest25-21ksoftirqd/109:14:111
17433993125,4cyclictest25-21ksoftirqd/112:02:291
17433993125,4cyclictest25-21ksoftirqd/111:50:061
17433993125,4cyclictest25-21ksoftirqd/110:05:361
17433993124,4cyclictest25-21ksoftirqd/109:02:501
139391310,0ptp4l401ktimersoftd/311:05:183
17435993021,8cyclictest41-21ksoftirqd/308:30:193
17433993025,3cyclictest25-21ksoftirqd/107:35:391
17433993024,4cyclictest25-21ksoftirqd/107:25:001
17435992924,3cyclictest41-21ksoftirqd/312:01:273
1743499294,22cyclictest11684-21phc2sys09:10:222
17434992923,4cyclictest33-21ksoftirqd/207:42:042
1743499291,27cyclictest11945-21kworker/2:209:50:342
1743499290,28cyclictest7809-21kworker/2:112:12:252
1743499290,27cyclictest26711-21awk07:30:012
1743499290,26cyclictest207-21systemd-journal09:58:312
17433992924,3cyclictest25-21ksoftirqd/111:40:031
17433992924,3cyclictest25-21ksoftirqd/110:39:501
17433992923,4cyclictest25-21ksoftirqd/111:18:001
17433992923,4cyclictest25-21ksoftirqd/108:52:461
17433992922,4cyclictest25-21ksoftirqd/107:14:261
17434992823,3cyclictest33-21ksoftirqd/210:42:472
17434992822,3cyclictest33-21ksoftirqd/212:24:152
17434992811,14cyclictest24025-21hwlatdetect10:45:152
17433992823,3cyclictest25-21ksoftirqd/111:38:451
17433992821,4cyclictest25-21ksoftirqd/111:46:581
17434992722,3cyclictest33-21ksoftirqd/211:56:412
17433992722,3cyclictest25-21ksoftirqd/112:30:281
17433992722,3cyclictest25-21ksoftirqd/111:57:111
17433992722,3cyclictest25-21ksoftirqd/109:45:271
17433992722,3cyclictest25-21ksoftirqd/109:05:131
17433992722,3cyclictest25-21ksoftirqd/108:48:191
1743399272,22cyclictest20984-21apt08:25:001
17433992721,4cyclictest25-21ksoftirqd/112:15:371
17433992621,3cyclictest25-21ksoftirqd/112:25:451
17433992620,4cyclictest25-21ksoftirqd/107:50:481
17433992520,3cyclictest25-21ksoftirqd/110:40:571
17433992520,3cyclictest25-21ksoftirqd/108:10:351
17433992519,4cyclictest25-21ksoftirqd/109:53:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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