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2025-12-02 - 17:21
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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 all highest latencies:
System rackdslot4.osadl.org (updated Tue Dec 02, 2025 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2700223860,61sleep20-21swapper/207:05:172
427791224196,18phc2sys0-21swapper/307:06:593
287192200166,22sleep00-21swapper/007:09:540
286802200167,22sleep10-21swapper/107:09:241
2688421670,4sleep22922499cyclictest12:25:242
153182720,6sleep12922399cyclictest11:00:151
143332670,6sleep32922599cyclictest09:50:283
29222996621,5cyclictest9-21ksoftirqd/010:20:200
287022640,1sleep20-21swapper/212:30:172
2922599581,16cyclictest21986-21cat11:10:293
427291560,1ptp4l391rcuc/309:10:493
2922599561,14cyclictest4619-21/usr/sbin/munin07:25:123
2922599561,14cyclictest20279-21/usr/sbin/munin09:00:153
114352560,3sleep09-21ksoftirqd/007:35:370
61992530,2sleep10-21swapper/111:45:191
2922599531,10cyclictest2953-21sort11:40:163
29222995319,9cyclictest9-21ksoftirqd/007:10:200
2922599522,17cyclictest1264-21snmpd09:17:433
29223995246,3cyclictest227-21systemd-journal07:15:001
2922299524,8cyclictest9-21ksoftirqd/007:30:140
2922299522,6cyclictest9-21ksoftirqd/009:10:440
2922599511,14cyclictest31691-21cat10:25:273
2922599510,9cyclictest4083-21mailstats09:30:253
2922299516,4cyclictest9-21ksoftirqd/008:05:190
2922299513,6cyclictest29221-21cyclictest11:00:180
284022510,2sleep30-21swapper/312:30:143
162722510,2sleep30-21swapper/307:45:263
427291500,1ptp4l391rcuc/309:22:163
29222995032,8cyclictest9-21ksoftirqd/012:10:280
2922599490,16cyclictest32673-21/usr/sbin/munin11:35:223
2922299496,7cyclictest9-21ksoftirqd/007:25:010
2922299495,7cyclictest9-21ksoftirqd/010:05:230
2922299495,5cyclictest9-21ksoftirqd/008:30:240
2922299493,6cyclictest9-21ksoftirqd/011:50:020
2922299493,6cyclictest9-21ksoftirqd/011:50:020
36998480,2rtkit-daemon368-21rtkit-daemon09:11:481
2922599481,11cyclictest227462sleep312:19:193
2922599471,15cyclictest1621-21gnome-shell10:19:583
2922299475,7cyclictest9-21ksoftirqd/011:25:120
29222994727,11cyclictest9-21ksoftirqd/008:00:140
2922299472,6cyclictest9-21ksoftirqd/007:15:250
2922299471,6cyclictest9-21ksoftirqd/012:35:140
2922599460,17cyclictest27419-21cpuspeed10:20:133
29223994626,4cyclictest25-21ksoftirqd/111:42:581
2922299463,8cyclictest9-21ksoftirqd/011:40:210
29222994629,7cyclictest9-21ksoftirqd/012:20:260
2922299462,6cyclictest9-21ksoftirqd/009:25:230
2922299462,5cyclictest9-21ksoftirqd/009:04:020
29222994618,7cyclictest9-21ksoftirqd/010:58:270
2922599453,11cyclictest1264-21snmpd07:18:063
2922599450,15cyclictest17096-21/usr/sbin/munin08:55:213
2922299453,8cyclictest9-21ksoftirqd/009:30:210
29222994529,8cyclictest9-21ksoftirqd/008:15:120
2922599442,7cyclictest12538-21diskstats07:40:143
2922299445,7cyclictest9-21ksoftirqd/012:06:270
2922299442,6cyclictest9-21ksoftirqd/007:57:030
2922299442,5cyclictest9-21ksoftirqd/007:47:040
29222994417,7cyclictest9-21ksoftirqd/009:37:460
106422440,2sleep20-21swapper/210:50:162
427291430,0ptp4l401ktimersoftd/311:26:083
2922599433,7cyclictest9102-21meminfo11:50:223
2922599433,7cyclictest9102-21meminfo11:50:223
2922599432,9cyclictest8138-21hddtemp_smartct09:40:173
2922599432,15cyclictest18095-21/usr/sbin/munin12:10:243
2922599431,8cyclictest3579-21swap08:25:253
2922599430,8cyclictest12950-21apt-get12:00:103
2922599430,7cyclictest20666-21ls07:55:263
29223994337,3cyclictest25-21ksoftirqd/107:30:121
29223994336,4cyclictest22030-21cron09:05:001
2922299437,7cyclictest9-21ksoftirqd/011:20:270
2922299430,5cyclictest9-21ksoftirqd/012:00:140
2922599421,8cyclictest5643-21perl09:35:183
2922299424,7cyclictest9-21ksoftirqd/008:20:180
29222994225,8cyclictest9-21ksoftirqd/010:10:170
427291410,0ptp4l401ktimersoftd/312:25:123
427291410,0ptp4l401ktimersoftd/310:56:493
427291410,0ptp4l401ktimersoftd/310:05:173
2922299414,9cyclictest9-21ksoftirqd/010:30:160
2922299413,4cyclictest9-21ksoftirqd/011:59:000
2922299406,8cyclictest9-21ksoftirqd/011:38:080
2922299405,6cyclictest9-21ksoftirqd/009:50:240
2922299403,6cyclictest9-21ksoftirqd/011:45:250
29222994036,2cyclictest111rcuc/012:15:250
2922299402,8cyclictest9-21ksoftirqd/008:55:160
2922299402,6cyclictest9-21ksoftirqd/008:25:130
2922299400,5cyclictest9-21ksoftirqd/008:40:130
29225993934,3cyclictest41-21ksoftirqd/308:38:193
29225993932,4cyclictest41-21ksoftirqd/308:30:533
2922599391,7cyclictest6308-21memory10:40:223
2922599391,7cyclictest6308-21memory10:40:223
2922599391,7cyclictest22538-21perl08:00:153
2922599391,12cyclictest19523-21ls11:05:283
29224993932,4cyclictest15155-21anacron12:04:502
29223993933,4cyclictest25-21ksoftirqd/112:06:291
29223993932,5cyclictest25-21ksoftirqd/107:37:301
29223993932,4cyclictest25-21ksoftirqd/107:47:091
2922399391,37cyclictest28978-21kworker/1:008:40:381
2922299395,8cyclictest9-21ksoftirqd/008:52:400
2922299393,7cyclictest9-21ksoftirqd/010:00:000
29222993934,3cyclictest9-21ksoftirqd/010:45:000
29222993934,3cyclictest9-21ksoftirqd/010:45:000
29222993934,3cyclictest9-21ksoftirqd/009:49:590
29222993934,3cyclictest9-21ksoftirqd/009:20:000
29222993932,4cyclictest9-21ksoftirqd/007:25:300
2922299392,8cyclictest9-21ksoftirqd/009:05:050
29222993922,6cyclictest9-21ksoftirqd/009:40:240
29225993832,4cyclictest41-21ksoftirqd/311:24:153
29223993832,4cyclictest25-21ksoftirqd/111:09:201
29223993832,4cyclictest25-21ksoftirqd/110:15:571
29223993832,4cyclictest25-21ksoftirqd/108:10:371
29223993831,4cyclictest25-21ksoftirqd/107:50:461
2922299385,6cyclictest9-21ksoftirqd/012:26:040
2922299384,8cyclictest9-21ksoftirqd/010:36:370
2922299383,5cyclictest9-21ksoftirqd/010:29:200
29222993833,3cyclictest9-21ksoftirqd/010:05:000
29222993832,4cyclictest9-21ksoftirqd/010:51:420
29222993832,3cyclictest9-21ksoftirqd/007:53:590
2922299382,5cyclictest9-21ksoftirqd/010:15:110
29222993820,7cyclictest9-21ksoftirqd/012:30:210
2922299381,6cyclictest9-21ksoftirqd/008:46:270
2922299381,6cyclictest9-21ksoftirqd/008:46:260
2922299381,5cyclictest9-21ksoftirqd/011:15:170
29225993732,3cyclictest41-21ksoftirqd/311:16:183
29225993731,4cyclictest41-21ksoftirqd/308:50:003
29225993731,4cyclictest41-21ksoftirqd/308:50:003
2922599371,15cyclictest23077-21cat10:10:183
29224993731,4cyclictest33-21ksoftirqd/211:21:182
29224993731,4cyclictest33-21ksoftirqd/210:59:422
29224993731,4cyclictest33-21ksoftirqd/210:00:532
29224993731,4cyclictest33-21ksoftirqd/208:24:592
29224993731,4cyclictest33-21ksoftirqd/207:50:042
29224993731,3cyclictest33-21ksoftirqd/211:45:002
29224993730,4cyclictest33-21ksoftirqd/210:11:592
29223993731,4cyclictest25-21ksoftirqd/112:35:381
29223993731,4cyclictest25-21ksoftirqd/112:16:521
29223993731,4cyclictest25-21ksoftirqd/111:31:271
29223993731,4cyclictest25-21ksoftirqd/110:07:261
29223993731,4cyclictest25-21ksoftirqd/109:33:091
29223993731,4cyclictest25-21ksoftirqd/107:22:551
29223993730,4cyclictest25-21ksoftirqd/111:12:171
29223993730,4cyclictest25-21ksoftirqd/110:40:091
29223993730,4cyclictest25-21ksoftirqd/110:40:081
2922299378,4cyclictest9-21ksoftirqd/010:45:260
2922299375,7cyclictest9-21ksoftirqd/008:10:180
2922299375,6cyclictest21597-21ps11:10:250
29222993730,4cyclictest9-21ksoftirqd/011:07:390
2922299372,6cyclictest9-21ksoftirqd/011:30:330
29225993631,3cyclictest41-21ksoftirqd/307:36:323
29225993630,4cyclictest41-21ksoftirqd/312:37:563
29225993630,4cyclictest41-21ksoftirqd/311:30:463
29225993630,4cyclictest41-21ksoftirqd/309:05:543
29225993629,4cyclictest41-21ksoftirqd/312:05:073
29224993631,3cyclictest33-21ksoftirqd/209:24:192
29224993630,4cyclictest33-21ksoftirqd/212:11:322
29224993630,4cyclictest33-21ksoftirqd/211:53:152
29224993630,4cyclictest33-21ksoftirqd/211:53:142
29224993630,4cyclictest33-21ksoftirqd/211:49:212
29224993630,4cyclictest33-21ksoftirqd/207:45:382
29224993630,3cyclictest33-21ksoftirqd/208:58:002
29224993613,20cyclictest7295-21seq10:43:322
29224993613,20cyclictest7295-21seq10:43:322
29223993631,3cyclictest25-21ksoftirqd/109:59:001
29223993631,3cyclictest25-21ksoftirqd/109:42:161
29223993630,4cyclictest25-21ksoftirqd/110:54:371
29223993630,4cyclictest25-21ksoftirqd/110:13:121
29223993630,4cyclictest25-21ksoftirqd/109:19:521
29223993630,4cyclictest25-21ksoftirqd/108:29:061
29223993630,3cyclictest25-21ksoftirqd/110:35:551
29222993632,3cyclictest9-21ksoftirqd/009:20:240
29222993631,3cyclictest9-21ksoftirqd/008:35:170
29225993529,4cyclictest41-21ksoftirqd/311:59:573
29225993529,4cyclictest41-21ksoftirqd/309:58:383
2922599350,15cyclictest30064-21ps07:10:183
29224993530,3cyclictest33-21ksoftirqd/208:31:182
29224993529,4cyclictest33-21ksoftirqd/211:07:332
29224993529,4cyclictest33-21ksoftirqd/209:18:092
29224993529,4cyclictest33-21ksoftirqd/209:10:472
29224993529,4cyclictest33-21ksoftirqd/209:00:492
29224993529,4cyclictest33-21ksoftirqd/208:09:502
29224993529,4cyclictest33-21ksoftirqd/207:22:322
29224993529,3cyclictest33-21ksoftirqd/209:56:582
29224993514,18cyclictest4614-21/usr/sbin/munin07:25:212
2922499351,31cyclictest24175-21cron08:05:012
29224993513,19cyclictest10827-21sh11:55:152
29223993530,3cyclictest25-21ksoftirqd/112:05:011
29223993530,3cyclictest25-21ksoftirqd/109:48:171
29223993530,3cyclictest25-21ksoftirqd/107:56:551
29223993529,4cyclictest25-21ksoftirqd/111:28:501
29223993529,4cyclictest25-21ksoftirqd/107:19:541
29223993528,4cyclictest25-21ksoftirqd/112:26:511
29223993528,4cyclictest25-21ksoftirqd/109:52:591
29223993528,4cyclictest25-21ksoftirqd/108:52:441
2922399352,31cyclictest28978-21kworker/1:008:39:181
2922599343,7cyclictest41-21ksoftirqd/308:40:303
29225993429,3cyclictest41-21ksoftirqd/310:52:063
29225993429,3cyclictest41-21ksoftirqd/307:50:083
29225993428,4cyclictest41-21ksoftirqd/311:46:253
29225993428,4cyclictest41-21ksoftirqd/310:32:023
29225993428,4cyclictest41-21ksoftirqd/308:20:383
29225993427,4cyclictest41-21ksoftirqd/310:00:463
29224993429,3cyclictest33-21ksoftirqd/210:28:102
29224993429,3cyclictest33-21ksoftirqd/210:23:452
29224993429,3cyclictest33-21ksoftirqd/210:17:152
29224993429,3cyclictest33-21ksoftirqd/210:07:522
29224993429,3cyclictest33-21ksoftirqd/208:14:042
29224993428,4cyclictest33-21ksoftirqd/212:06:192
29224993428,4cyclictest33-21ksoftirqd/211:17:562
29224993428,4cyclictest33-21ksoftirqd/208:41:022
29224993428,4cyclictest33-21ksoftirqd/208:29:342
29224993428,4cyclictest33-21ksoftirqd/207:57:462
29224993428,4cyclictest33-21ksoftirqd/207:14:242
2922499340,3cyclictest502-21awk09:25:152
29223993429,3cyclictest25-21ksoftirqd/107:26:561
29223993428,3cyclictest25-21ksoftirqd/109:23:411
29223993427,4cyclictest25-21ksoftirqd/112:35:001
29223993427,4cyclictest25-21ksoftirqd/112:21:541
29223993427,4cyclictest25-21ksoftirqd/109:39:031
2922399340,2cyclictest121rcu_preempt10:46:101
2922299343,5cyclictest9-21ksoftirqd/007:40:140
29225993328,3cyclictest41-21ksoftirqd/310:45:123
29225993328,3cyclictest41-21ksoftirqd/308:16:593
29225993327,4cyclictest41-21ksoftirqd/309:47:483
2922599330,10cyclictest16173-21ls08:50:273
29224993328,3cyclictest33-21ksoftirqd/211:01:112
29224993328,3cyclictest33-21ksoftirqd/208:53:282
29224993326,4cyclictest33-21ksoftirqd/207:43:362
29224993310,3cyclictest31097-21cat08:15:242
29223993328,3cyclictest25-21ksoftirqd/112:14:431
29223993328,3cyclictest25-21ksoftirqd/111:17:291
29223993327,4cyclictest25-21ksoftirqd/111:54:011
29223993327,4cyclictest25-21ksoftirqd/111:54:011
29223993327,4cyclictest25-21ksoftirqd/111:36:571
29223993327,4cyclictest25-21ksoftirqd/110:56:051
29223993327,4cyclictest25-21ksoftirqd/110:24:111
29223993327,4cyclictest25-21ksoftirqd/108:58:221
29225993228,3cyclictest41-21ksoftirqd/308:11:033
29225993227,3cyclictest41-21ksoftirqd/310:35:123
29224993227,3cyclictest33-21ksoftirqd/211:35:472
29224993227,3cyclictest33-21ksoftirqd/210:31:532
29224993227,3cyclictest33-21ksoftirqd/209:09:392
29224993227,3cyclictest33-21ksoftirqd/208:37:452
29224993226,4cyclictest33-21ksoftirqd/210:46:592
29224993226,4cyclictest33-21ksoftirqd/209:45:412
29224993226,4cyclictest33-21ksoftirqd/209:39:472
29224993225,4cyclictest33-21ksoftirqd/209:43:442
29224993211,3cyclictest20548-21expr11:10:162
29224993210,4cyclictest31619-21grep12:35:222
29223993226,4cyclictest25-21ksoftirqd/111:24:091
29223993226,4cyclictest25-21ksoftirqd/109:27:071
29223993226,4cyclictest25-21ksoftirqd/108:04:301
29223993226,3cyclictest25-21ksoftirqd/108:47:051
29223993226,3cyclictest25-21ksoftirqd/108:47:041
29223993226,3cyclictest25-21ksoftirqd/108:30:421
29223993225,4cyclictest25-21ksoftirqd/110:01:531
29223993225,4cyclictest25-21ksoftirqd/109:08:171
29225993126,3cyclictest41-21ksoftirqd/311:00:123
29225993126,3cyclictest41-21ksoftirqd/309:30:013
29225993124,4cyclictest41-21ksoftirqd/308:07:253
29224993126,3cyclictest33-21ksoftirqd/212:16:442
29224993126,3cyclictest33-21ksoftirqd/211:34:172
29224993126,3cyclictest33-21ksoftirqd/207:31:022
29224993125,4cyclictest33-21ksoftirqd/208:47:292
29224993125,4cyclictest33-21ksoftirqd/208:47:292
29224993125,4cyclictest33-21ksoftirqd/207:38:562
29224993111,3cyclictest24707-21timerandwakeup12:20:272
29223993126,3cyclictest25-21ksoftirqd/108:21:431
29224993024,4cyclictest33-21ksoftirqd/209:31:292
29223993025,3cyclictest25-21ksoftirqd/111:57:301
29223993024,3cyclictest25-21ksoftirqd/108:19:061
2922599295,8cyclictest41-21ksoftirqd/307:32:403
29224992922,4cyclictest33-21ksoftirqd/207:16:012
29225992823,3cyclictest41-21ksoftirqd/312:23:483
29225992823,3cyclictest41-21ksoftirqd/307:24:523
2922499287,4cyclictest27689-21cpu11:25:112
2922499287,3cyclictest4927-21sh10:40:002
29224992811,3cyclictest14336-21users09:50:282
29223992823,3cyclictest25-21ksoftirqd/110:33:331
29223992823,3cyclictest25-21ksoftirqd/107:44:481
29223992722,3cyclictest25-21ksoftirqd/108:07:441
29223992014,3cyclictest32338-21dump-pmu-power10:29:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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