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2026-07-16 - 16:06
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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 rack1slot1.osadl.org (updated Thu Jul 16, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158642219156,49sleep20-21swapper/207:07:512
159522200160,26sleep30-21swapper/307:09:013
158622198142,42sleep00-21swapper/007:07:480
156892197160,24sleep10-21swapper/107:05:331
1613499130,13cyclictest0-21swapper/210:00:112
1612399130,13cyclictest0-21swapper/010:00:120
16134991211,1cyclictest28-21ksoftirqd/207:25:012
1612399123,4cyclictest23244-21latency_hist11:29:590
16123991210,1cyclictest9-21ksoftirqd/011:05:110
16123991210,1cyclictest9-21ksoftirqd/008:15:130
16123991210,1cyclictest9-21ksoftirqd/008:15:130
1614299119,1cyclictest35-21ksoftirqd/310:05:003
16142991110,1cyclictest35-21ksoftirqd/310:55:013
1613499115,5cyclictest28-21ksoftirqd/209:55:542
16134991110,1cyclictest0-21swapper/211:55:142
1613499110,11cyclictest0-21swapper/209:12:482
1612399119,1cyclictest9-21ksoftirqd/011:30:120
16123991111,0cyclictest9-21ksoftirqd/010:55:140
16123991110,1cyclictest9-21ksoftirqd/012:35:100
16123991110,1cyclictest9-21ksoftirqd/012:10:160
16123991110,1cyclictest9-21ksoftirqd/011:35:120
16123991110,1cyclictest9-21ksoftirqd/010:20:160
1614299109,1cyclictest35-21ksoftirqd/310:45:003
1614299109,0cyclictest35-21ksoftirqd/311:30:003
16142991010,0cyclictest35-21ksoftirqd/310:30:013
1614299100,7cyclictest240-21systemd-journal12:22:283
1613499109,1cyclictest28-21ksoftirqd/209:39:592
1612399109,1cyclictest9-21ksoftirqd/010:50:110
1612399109,1cyclictest9-21ksoftirqd/010:30:150
1612399109,1cyclictest9-21ksoftirqd/009:15:000
1612399109,1cyclictest9-21ksoftirqd/008:05:000
1612399109,1cyclictest9-21ksoftirqd/007:30:100
1612399109,0cyclictest9-21ksoftirqd/011:00:120
1612399109,0cyclictest9-21ksoftirqd/011:00:110
1612399108,1cyclictest9-21ksoftirqd/011:45:120
1612399108,1cyclictest9-21ksoftirqd/009:30:140
1612399100,4cyclictest240-21systemd-journal11:54:560
25666290,1sleep30-21swapper/311:31:173
25420290,1sleep30-21swapper/312:11:423
161429999,0cyclictest35-21ksoftirqd/311:05:013
161429999,0cyclictest35-21ksoftirqd/311:05:013
161429999,0cyclictest35-21ksoftirqd/309:18:213
161429998,1cyclictest35-21ksoftirqd/312:40:003
161429998,1cyclictest35-21ksoftirqd/311:20:003
161429998,1cyclictest35-21ksoftirqd/307:45:003
161429997,1cyclictest35-21ksoftirqd/308:25:003
161349998,1cyclictest28-21ksoftirqd/212:18:302
161349990,9cyclictest0-21swapper/211:30:352
161239999,0cyclictest9-21ksoftirqd/010:40:500
161239999,0cyclictest9-21ksoftirqd/010:36:390
161239999,0cyclictest9-21ksoftirqd/010:12:240
161239999,0cyclictest9-21ksoftirqd/009:50:110
161239998,1cyclictest9-21ksoftirqd/012:25:120
161239998,1cyclictest9-21ksoftirqd/012:15:110
161239998,1cyclictest9-21ksoftirqd/012:10:000
161239998,1cyclictest9-21ksoftirqd/012:00:130
161239998,1cyclictest9-21ksoftirqd/009:56:300
161239997,1cyclictest9-21ksoftirqd/007:59:280
161239992,3cyclictest30977-21perf07:39:590
161239990,4cyclictest12708-21perf08:10:010
161239990,1cyclictest240-21systemd-journal11:12:130
14316290,0sleep30-21swapper/310:36:473
161429986,1cyclictest35-21ksoftirqd/307:25:013
161429982,2cyclictest8761-21diskmemload09:36:173
161429981,4cyclictest24275-21apt-get10:10:123
161349986,1cyclictest61650irq/122-eno110:50:102
161349986,1cyclictest61650irq/122-eno110:45:222
161349986,1cyclictest61650irq/122-eno110:20:132
161349983,4cyclictest6708-21kworker/u8:212:32:252
161349982,3cyclictest8761-21diskmemload10:15:112
161349980,5cyclictest0-21swapper/208:40:132
161349980,4cyclictest11566-21/usr/sbin/munin11:15:202
161349980,4cyclictest0-21swapper/209:30:512
161349980,0cyclictest0-21swapper/209:17:422
161269982,2cyclictest0-21swapper/109:50:161
161269980,4cyclictest0-21swapper/110:40:101
161239988,0cyclictest9-21ksoftirqd/012:31:220
161239988,0cyclictest9-21ksoftirqd/009:49:280
161239988,0cyclictest9-21ksoftirqd/009:35:110
161239988,0cyclictest9-21ksoftirqd/009:18:330
161239987,1cyclictest9-21ksoftirqd/011:56:410
161239987,1cyclictest9-21ksoftirqd/010:45:140
161239987,1cyclictest9-21ksoftirqd/010:15:120
161239987,1cyclictest9-21ksoftirqd/008:45:110
161239986,1cyclictest9-21ksoftirqd/012:20:140
161239986,1cyclictest9-21ksoftirqd/008:25:210
161239983,5cyclictest9-21ksoftirqd/007:10:130
161239980,1cyclictest27019-21munin-run08:40:000
161239980,1cyclictest22751-21memory07:20:180
18682270,0sleep10-21swapper/111:23:371
161429977,0cyclictest29700-21sensors10:15:193
161429976,1cyclictest35-21ksoftirqd/309:05:003
161429976,1cyclictest35-21ksoftirqd/308:15:013
161429976,1cyclictest35-21ksoftirqd/307:55:223
161429976,1cyclictest13245-21cat09:55:153
161429975,1cyclictest9112-21ssh12:32:153
161429975,1cyclictest8761-21diskmemload11:41:373
161429975,1cyclictest35-21ksoftirqd/308:20:013
161429975,1cyclictest35-21ksoftirqd/308:20:003
161429975,1cyclictest0-21swapper/311:05:193
161429974,1cyclictest8761-21diskmemload09:12:273
161429974,1cyclictest548-21systemd-logind11:55:183
161429972,4cyclictest30940-21perf07:39:593
161429971,4cyclictest8761-21diskmemload11:50:133
161429971,4cyclictest8761-21diskmemload10:30:213
161429971,1cyclictest8761-21diskmemload10:08:443
161429970,6cyclictest27035-21apt-get12:15:113
161429970,4cyclictest0-21swapper/309:20:483
161429970,0cyclictest0-21swapper/310:56:083
161349976,1cyclictest61650irq/122-eno111:25:192
161349976,1cyclictest61650irq/122-eno111:20:112
161349976,1cyclictest61650irq/122-eno111:10:122
161349976,1cyclictest61650irq/122-eno110:35:122
161349976,1cyclictest61650irq/122-eno110:28:012
161349976,1cyclictest61650irq/122-eno110:10:542
161349976,1cyclictest61650irq/122-eno109:49:482
161349976,1cyclictest61650irq/122-eno109:28:222
161349976,1cyclictest61650irq/122-eno107:50:112
161349976,1cyclictest61650irq/122-eno107:45:192
161349976,1cyclictest61650irq/122-eno107:37:292
161349976,1cyclictest28-21ksoftirqd/211:02:272
161349976,1cyclictest28-21ksoftirqd/211:02:272
161349976,0cyclictest61650irq/122-eno111:46:272
161349976,0cyclictest61650irq/122-eno111:09:372
161349975,1cyclictest8761-21diskmemload10:30:112
161349975,1cyclictest61650irq/122-eno112:35:132
161349975,1cyclictest61650irq/122-eno112:25:142
161349975,1cyclictest61650irq/122-eno112:05:132
161349975,1cyclictest61650irq/122-eno111:50:162
161349975,1cyclictest1705-21ssh09:40:202
161349974,1cyclictest61650irq/122-eno110:05:172
161349974,1cyclictest240-21systemd-journal08:15:002
161349972,2cyclictest8761-21diskmemload09:20:012
161349971,4cyclictest31473-21apt-get11:40:132
161349970,2cyclictest0-21swapper/210:59:402
161349970,1cyclictest0-21swapper/209:53:522
161349970,1cyclictest0-21swapper/208:39:282
161269974,0cyclictest0-21swapper/109:34:251
161269971,1cyclictest0-21swapper/108:35:121
161269970,4cyclictest0-21swapper/109:44:271
161239977,0cyclictest9-21ksoftirqd/010:25:150
161239976,1cyclictest9-21ksoftirqd/011:15:100
161239976,1cyclictest9-21ksoftirqd/009:20:110
161239976,1cyclictest9-21ksoftirqd/009:00:160
161239975,1cyclictest4401-21grep07:50:140
161239973,3cyclictest0-21swapper/009:40:190
161239972,4cyclictest9-21ksoftirqd/007:15:140
161239972,4cyclictest8761-21diskmemload09:25:110
161239971,3cyclictest14673-21kworker/u8:010:05:030
161239970,6cyclictest894-21wc07:45:000
161239970,6cyclictest24450-21ls07:25:130
161239970,6cyclictest15008-21cron08:15:000
161239970,6cyclictest1094-21taskset07:45:070
161239970,4cyclictest15563-21apt-get11:20:110
161239970,1cyclictest2581-21ssh11:44:380
11270270,0sleep30-21swapper/309:53:083
26550260,0sleep10-21swapper/110:11:341
161429966,0cyclictest17722-21sensors07:10:193
161429965,1cyclictest8761-21diskmemload11:36:073
161429965,1cyclictest35-21ksoftirqd/311:10:143
161429965,1cyclictest35-21ksoftirqd/307:25:133
161429965,1cyclictest22171-21ssh10:46:283
161429965,1cyclictest22040-21ntpq09:25:163
161429965,1cyclictest1210-21ntpq10:20:183
161429964,0cyclictest8761-21diskmemload11:23:263
161429963,0cyclictest8761-21diskmemload12:25:143
161429961,4cyclictest27037-21awk08:39:593
161429961,2cyclictest16113-21cyclictest11:46:513
161429961,2cyclictest0-21swapper/309:46:453
161429960,4cyclictest0-21swapper/308:25:123
161429960,3cyclictest0-21swapper/309:40:203
161429960,2cyclictest0-21swapper/312:00:053
161429960,2cyclictest0-21swapper/309:30:113
161429960,1cyclictest0-21swapper/309:05:113
161349966,0cyclictest61650irq/122-eno112:10:212
161349966,0cyclictest61650irq/122-eno112:00:282
161349966,0cyclictest61650irq/122-eno110:41:012
161349966,0cyclictest61650irq/122-eno108:55:142
161349966,0cyclictest61650irq/122-eno108:50:102
161349966,0cyclictest61650irq/122-eno108:25:102
161349966,0cyclictest61650irq/122-eno108:08:452
161349966,0cyclictest61650irq/122-eno108:04:542
161349966,0cyclictest61650irq/122-eno107:40:172
161349966,0cyclictest61650irq/122-eno107:10:162
161349964,1cyclictest61650irq/122-eno111:35:142
161349964,1cyclictest61650irq/122-eno108:20:142
161349964,1cyclictest61650irq/122-eno107:55:132
161349963,1cyclictest240-21systemd-journal09:00:102
161349960,1cyclictest0-21swapper/207:15:102
161349960,0cyclictest0-21swapper/212:20:042
161269963,2cyclictest22742sleep111:02:271
161269963,2cyclictest22742sleep111:02:271
161269962,3cyclictest0-21swapper/109:10:191
161269961,3cyclictest0-21swapper/110:05:171
161269960,6cyclictest0-21swapper/110:39:271
161269960,6cyclictest0-21swapper/107:20:041
161269960,5cyclictest0-21swapper/110:45:151
161269960,4cyclictest0-21swapper/110:01:151
161269960,3cyclictest0-21swapper/111:55:461
161269960,3cyclictest0-21swapper/111:53:131
161269960,3cyclictest0-21swapper/109:55:201
161269960,3cyclictest0-21swapper/109:22:371
161269960,2cyclictest0-21swapper/112:27:181
161269960,2cyclictest0-21swapper/111:16:291
161269960,2cyclictest0-21swapper/110:29:451
161269960,1cyclictest0-21swapper/110:19:461
161239965,1cyclictest9-21ksoftirqd/009:05:140
161239965,1cyclictest9-21ksoftirqd/008:20:120
161239963,1cyclictest240-21systemd-journal08:44:550
161239960,5cyclictest0-21swapper/008:50:130
161429955,0cyclictest17501-21kworker/3:207:31:183
161429954,1cyclictest35-21ksoftirqd/307:15:013
161429953,1cyclictest9594-21sensors08:00:193
161429953,1cyclictest32306-21cstates08:50:123
161429953,1cyclictest27260-21taskset08:40:033
161429953,1cyclictest12658-21taskset08:10:013
161429952,2cyclictest3460-21apt-get07:50:093
161429952,2cyclictest0-21swapper/308:55:123
161429951,3cyclictest19188-21telnet12:05:133
161349955,0cyclictest61650irq/122-eno109:08:412
161349954,1cyclictest61650irq/122-eno108:30:072
161349953,1cyclictest24850-21tail07:25:152
161349953,1cyclictest15303-21cut08:15:132
161349953,1cyclictest15303-21cut08:15:122
161349950,1cyclictest26448-21/usr/sbin/munin07:30:102
161349950,1cyclictest0-21swapper/208:45:162
161269955,0cyclictest0-21swapper/112:35:011
161269955,0cyclictest0-21swapper/111:45:231
161269955,0cyclictest0-21swapper/111:10:521
161269955,0cyclictest0-21swapper/109:05:121
161269955,0cyclictest0-21swapper/108:21:011
161269955,0cyclictest0-21swapper/108:02:121
161269952,0cyclictest0-21swapper/110:51:151
161269951,3cyclictest0-21swapper/112:20:391
161269951,2cyclictest0-21swapper/108:50:091
161269950,5cyclictest0-21swapper/111:35:161
161269950,5cyclictest0-21swapper/108:40:041
161269950,5cyclictest0-21swapper/108:12:231
161269950,5cyclictest0-21swapper/107:40:401
161269950,5cyclictest0-21swapper/107:26:211
161269950,4cyclictest0-21swapper/112:16:061
161269950,3cyclictest0-21swapper/112:05:081
161269950,3cyclictest0-21swapper/111:34:511
161269950,3cyclictest0-21swapper/110:31:181
161269950,2cyclictest0-21swapper/111:43:131
161269950,2cyclictest0-21swapper/110:23:491
161269950,2cyclictest0-21swapper/109:37:021
161269950,1cyclictest0-21swapper/112:30:211
161269950,1cyclictest0-21swapper/112:10:311
161269950,1cyclictest0-21swapper/110:59:211
161269950,1cyclictest0-21swapper/109:29:231
161269950,1cyclictest0-21swapper/109:15:111
161269950,0cyclictest0-21swapper/112:01:201
161269950,0cyclictest0-21swapper/109:45:111
161269950,0cyclictest0-21swapper/107:35:181
161239955,0cyclictest9-21ksoftirqd/008:55:120
161239954,1cyclictest23055-21diskstats08:30:120
161429942,1cyclictest24257-21sed08:30:203
161429940,3cyclictest0-21swapper/308:45:123
161429940,1cyclictest240-21systemd-journal07:46:233
161269944,0cyclictest0-21swapper/108:55:021
161269944,0cyclictest0-21swapper/107:53:481
161269943,1cyclictest29623-21chrt08:45:101
161269941,3cyclictest0-21swapper/109:00:491
161269941,2cyclictest0-21swapper/107:45:121
161269940,4cyclictest0-21swapper/107:10:191
161269940,3cyclictest0-21swapper/108:20:011
161269940,3cyclictest0-21swapper/108:20:001
161269940,2cyclictest0-21swapper/111:05:481
161269940,1cyclictest0-21swapper/111:25:441
161269940,1cyclictest0-21swapper/108:30:111
161269932,1cyclictest26446-21chrt07:30:091
161269931,1cyclictest0-21swapper/108:25:121
161269930,3cyclictest0-21swapper/107:55:171
161269930,1cyclictest0-21swapper/108:05:011
161269930,0cyclictest0-21swapper/107:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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