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2026-06-15 - 00:17
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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 Sun Jun 14, 2026 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198532216151,51sleep00-21swapper/007:05:400
199312205149,43sleep10-21swapper/107:06:411
199532202162,26sleep30-21swapper/307:06:593
199772201163,24sleep20-21swapper/207:07:192
137912760,0sleep10-21swapper/108:00:161
107262140,0sleep30-21swapper/307:55:143
2028599130,12cyclictest827-21/usr/sbin/munin10:20:212
20269991311,1cyclictest9-21ksoftirqd/009:15:010
20292991210,1cyclictest35-21ksoftirqd/311:00:013
2028599120,0cyclictest0-21swapper/209:42:492
2028599110,11cyclictest0-21swapper/209:46:142
2026999119,1cyclictest9-21ksoftirqd/008:00:000
2026999119,1cyclictest101rcuc/010:10:150
2026999113,4cyclictest12755-21wc11:20:000
20269991110,1cyclictest9-21ksoftirqd/010:50:140
20269991110,1cyclictest9-21ksoftirqd/008:15:010
20269991110,1cyclictest9-21ksoftirqd/007:35:000
245692100,0sleep10-21swapper/109:24:311
2028599101,4cyclictest10583-21apt-get07:55:132
2028599100,5cyclictest13526-21diskmemload11:40:122
2026999109,1cyclictest9-21ksoftirqd/010:25:000
2026999109,1cyclictest9-21ksoftirqd/009:20:000
2026999108,1cyclictest9-21ksoftirqd/010:05:170
2026999108,1cyclictest9-21ksoftirqd/010:00:140
2026999102,4cyclictest23717-21apt-get11:35:000
2026999102,4cyclictest11223-21latency_hist09:05:000
20269991010,0cyclictest9-21ksoftirqd/010:25:190
2026999100,9cyclictest0-21swapper/012:10:140
202929998,1cyclictest35-21ksoftirqd/312:35:003
202929998,1cyclictest35-21ksoftirqd/309:50:003
202929998,0cyclictest35-21ksoftirqd/312:37:403
202929990,8cyclictest1029-21snmpd10:37:263
202859999,0cyclictest0-21swapper/211:48:322
202859998,1cyclictest28-21ksoftirqd/210:15:462
202859994,2cyclictest240-21systemd-journal09:10:012
202859994,2cyclictest240-21systemd-journal09:10:012
202859991,5cyclictest22547-21kworker/u8:110:52:442
202699999,0cyclictest9-21ksoftirqd/009:45:000
202699998,1cyclictest9-21ksoftirqd/012:20:010
202699998,1cyclictest9-21ksoftirqd/011:04:130
202699998,1cyclictest9-21ksoftirqd/007:39:590
202699997,1cyclictest9-21ksoftirqd/009:20:130
202699997,1cyclictest9-21ksoftirqd/008:55:000
202699991,4cyclictest8853-21sed09:00:000
202699991,4cyclictest19319-21perf10:45:000
202699990,4cyclictest9839-21cut12:00:000
202929986,1cyclictest35-21ksoftirqd/307:15:013
202929986,1cyclictest1029-21snmpd10:50:483
202929986,1cyclictest1029-21snmpd10:00:423
202929986,1cyclictest1029-21snmpd09:56:153
202929986,1cyclictest1029-21snmpd09:56:153
202929986,1cyclictest1029-21snmpd08:15:273
202929981,6cyclictest14820-1kworker/u9:210:41:033
202929981,4cyclictest0-21swapper/309:40:183
202859986,1cyclictest61650irq/122-eno111:50:172
202859986,1cyclictest61650irq/122-eno110:55:102
202859986,1cyclictest61650irq/122-eno109:37:112
202859986,1cyclictest18278-21cat09:15:162
202859981,4cyclictest24185-21apt-get11:35:112
202859980,6cyclictest22651-21munin-node08:38:192
202859980,4cyclictest0-21swapper/210:28:232
202789981,3cyclictest0-21swapper/111:30:111
202699988,0cyclictest9-21ksoftirqd/011:10:130
202699987,1cyclictest9-21ksoftirqd/010:30:110
202699987,1cyclictest9-21ksoftirqd/009:35:130
202699987,1cyclictest9-21ksoftirqd/009:30:140
202699987,1cyclictest9-21ksoftirqd/009:30:000
202699987,1cyclictest9-21ksoftirqd/008:45:000
202699986,1cyclictest9-21ksoftirqd/009:40:120
202699986,1cyclictest1029-21snmpd11:49:510
202699986,1cyclictest1029-21snmpd09:07:200
202699986,1cyclictest1029-21snmpd09:07:190
202699986,1cyclictest1029-21snmpd08:02:050
202699980,6cyclictest4582-21ssh11:07:380
202699980,5cyclictest0-21swapper/011:50:400
202929976,1cyclictest35-21ksoftirqd/308:27:323
202929976,1cyclictest21362-21cat07:10:133
202929976,1cyclictest1029-21snmpd12:11:313
202929976,1cyclictest1029-21snmpd11:31:333
202929976,1cyclictest1029-21snmpd11:17:533
202929976,1cyclictest1029-21snmpd11:06:503
202929976,1cyclictest1029-21snmpd10:27:303
202929975,1cyclictest19503-21ssh10:45:023
202929975,1cyclictest1029-21snmpd12:20:333
202929975,1cyclictest1029-21snmpd12:07:133
202929975,1cyclictest1029-21snmpd11:46:483
202929975,1cyclictest1029-21snmpd11:36:533
202929975,1cyclictest1029-21snmpd10:21:053
202929975,1cyclictest1029-21snmpd10:14:543
202929972,1cyclictest3318-21awk08:45:193
202929971,3cyclictest13526-21diskmemload09:50:053
202929970,6cyclictest15632-21ssh09:10:423
202929970,5cyclictest0-21swapper/311:40:153
202929970,4cyclictest693-21runrttasks12:25:093
202929970,1cyclictest0-21swapper/310:08:113
202859976,1cyclictest61650irq/122-eno112:25:092
202859976,1cyclictest61650irq/122-eno112:15:092
202859976,1cyclictest61650irq/122-eno111:11:462
202859976,1cyclictest61650irq/122-eno109:55:122
202859976,1cyclictest61650irq/122-eno109:55:122
202859976,1cyclictest61650irq/122-eno109:53:562
202859976,1cyclictest61650irq/122-eno109:31:092
202859976,1cyclictest61650irq/122-eno109:13:442
202859976,1cyclictest61650irq/122-eno107:40:012
202859976,1cyclictest15169-21sensors12:05:192
202859976,1cyclictest1029-21snmpd07:50:182
202859976,0cyclictest61650irq/122-eno112:02:472
202859976,0cyclictest61650irq/122-eno111:05:222
202859976,0cyclictest28-21ksoftirqd/207:10:312
202859975,1cyclictest61650irq/122-eno110:35:132
202859975,1cyclictest61650irq/122-eno110:05:232
202859975,1cyclictest61650irq/122-eno108:55:192
202859975,1cyclictest1029-21snmpd11:22:382
202859975,1cyclictest1029-21snmpd11:17:372
202859975,1cyclictest1029-21snmpd10:48:272
202859975,1cyclictest1029-21snmpd07:27:112
202859975,1cyclictest1029-21snmpd07:17:562
202859974,2cyclictest26763-21cat10:10:162
202859973,2cyclictest240-21systemd-journal07:30:002
202859971,6cyclictest0-21swapper/208:04:412
202859971,1cyclictest0-21swapper/208:20:462
202859970,3cyclictest0-21swapper/210:04:372
202859970,1cyclictest4122-21hddtemp_smartct12:35:152
202789970,7cyclictest0-21swapper/110:10:131
202789970,6cyclictest0-21swapper/112:03:131
202789970,6cyclictest0-21swapper/108:50:101
202789970,6cyclictest0-21swapper/108:22:131
202789970,4cyclictest0-21swapper/111:55:111
202789970,4cyclictest0-21swapper/111:10:101
202789970,4cyclictest0-21swapper/110:09:011
202789970,2cyclictest0-21swapper/108:10:121
202789970,1cyclictest0-21swapper/108:43:071
202699976,1cyclictest9-21ksoftirqd/012:20:160
202699976,1cyclictest9-21ksoftirqd/007:25:140
202699976,1cyclictest31002-21ssh11:44:230
202699976,1cyclictest12794-21ssh12:03:070
202699975,1cyclictest9-21ksoftirqd/008:45:130
202699975,1cyclictest9-21ksoftirqd/008:29:330
202699975,1cyclictest9-21ksoftirqd/008:25:000
202699975,1cyclictest1029-21snmpd07:16:230
202699975,1cyclictest1029-21snmpd07:13:320
202699974,1cyclictest13526-21diskmemload11:25:480
202699971,6cyclictest28915-21ssh12:25:120
202699971,4cyclictest13526-21diskmemload11:24:470
202699970,6cyclictest15817-21ssh09:55:170
202699970,6cyclictest15817-21ssh09:55:160
202699970,6cyclictest0-21swapper/010:55:110
202699970,1cyclictest32043-21/usr/sbin/munin12:30:110
202699970,1cyclictest2878-21apt-get07:40:010
202699970,1cyclictest260462sleep011:35:340
202699970,1cyclictest22285-21ssh10:48:050
202699970,1cyclictest0-21swapper/010:35:150
202699970,1cyclictest0-21swapper/008:19:220
202929966,0cyclictest35-21ksoftirqd/309:15:153
202929965,1cyclictest3651-21cat11:50:153
202929965,1cyclictest35-21ksoftirqd/310:35:003
202929965,1cyclictest35-21ksoftirqd/308:44:593
202929965,1cyclictest35-21ksoftirqd/308:40:003
202929965,1cyclictest35-21ksoftirqd/307:45:003
202929965,1cyclictest18572-21ssh11:25:403
202929965,1cyclictest1029-21snmpd08:55:463
202929964,1cyclictest35-21ksoftirqd/307:30:523
202929964,1cyclictest1029-21snmpd11:10:083
202929964,1cyclictest1029-21snmpd10:57:143
202929964,1cyclictest1029-21snmpd09:26:443
202929962,3cyclictest0-21swapper/308:30:123
202929961,3cyclictest25898-21apt-get07:20:123
202929961,2cyclictest13761-21hddtemp_smartct08:00:163
202929961,1cyclictest0-21swapper/312:17:543
202929960,2cyclictest0-21swapper/309:36:263
202929960,1cyclictest0-21swapper/311:55:133
202929960,1cyclictest0-21swapper/309:05:213
202929960,1cyclictest0-21swapper/309:05:203
202929960,1cyclictest0-21swapper/307:45:123
202929960,0cyclictest13526-21diskmemload12:00:113
202929960,0cyclictest13526-21diskmemload09:31:183
202859966,0cyclictest61650irq/122-eno112:20:132
202859966,0cyclictest61650irq/122-eno112:10:142
202859966,0cyclictest61650irq/122-eno111:55:272
202859966,0cyclictest61650irq/122-eno111:31:072
202859966,0cyclictest61650irq/122-eno111:25:152
202859966,0cyclictest61650irq/122-eno110:40:162
202859966,0cyclictest61650irq/122-eno110:30:042
202859966,0cyclictest61650irq/122-eno108:50:022
202859966,0cyclictest61650irq/122-eno108:09:522
202859966,0cyclictest61650irq/122-eno107:35:182
202859965,1cyclictest30783-21ssh11:00:092
202859965,1cyclictest1029-21snmpd07:20:102
202859965,0cyclictest61650irq/122-eno109:25:122
202859965,0cyclictest28-21ksoftirqd/207:50:002
202859964,1cyclictest28-21ksoftirqd/208:15:092
202859963,1cyclictest240-21systemd-journal08:45:002
202859961,2cyclictest0-21swapper/208:45:112
202859960,6cyclictest0-21swapper/208:26:372
202859960,5cyclictest0-21swapper/209:02:292
202859960,2cyclictest0-21swapper/209:20:112
202789966,0cyclictest0-21swapper/110:28:451
202789963,0cyclictest0-21swapper/108:15:191
202789962,1cyclictest0-21swapper/111:35:011
202789961,2cyclictest27656-21chrt12:23:411
202789961,2cyclictest0-21swapper/112:05:221
202789960,6cyclictest0-21swapper/112:25:491
202789960,6cyclictest0-21swapper/110:49:071
202789960,6cyclictest0-21swapper/109:48:571
202789960,5cyclictest0-21swapper/111:43:151
202789960,5cyclictest0-21swapper/110:24:191
202789960,5cyclictest0-21swapper/109:27:081
202789960,5cyclictest0-21swapper/107:15:161
202789960,5cyclictest0-21swapper/107:10:261
202789960,4cyclictest0-21swapper/110:15:111
202789960,3cyclictest60632sleep112:38:141
202789960,3cyclictest0-21swapper/110:37:321
202789960,2cyclictest0-21swapper/109:18:461
202789960,1cyclictest137962sleep109:10:131
202789960,1cyclictest0-21swapper/112:30:171
202789960,1cyclictest0-21swapper/111:15:111
202789960,1cyclictest0-21swapper/110:50:131
202789960,1cyclictest0-21swapper/110:40:011
202789960,1cyclictest0-21swapper/110:00:111
202789960,1cyclictest0-21swapper/108:30:231
202699964,1cyclictest13526-21diskmemload12:35:120
202699960,5cyclictest29260-21latency_hist08:35:000
202699960,5cyclictest13728-21/usr/sbin/munin12:05:130
202699960,5cyclictest13526-21diskmemload09:50:360
202699960,5cyclictest0-21swapper/010:15:030
1082260,0sleep20-21swapper/212:30:192
202929955,0cyclictest0-21swapper/307:38:453
202929953,1cyclictest1029-21snmpd11:21:523
202929952,1cyclictest29735-21/usr/sbin/munin07:25:203
202929952,1cyclictest294-21systemd-udevd08:06:083
202929951,2cyclictest0-21swapper/307:50:203
202929951,0cyclictest0-21swapper/309:20:173
202929950,5cyclictest0-21swapper/308:50:093
202929950,5cyclictest0-21swapper/308:14:353
202929950,2cyclictest0-21swapper/308:20:203
202929950,0cyclictest0-21swapper/310:15:123
202859953,1cyclictest27107-21apt-get08:30:122
202859951,2cyclictest18273-21grep08:10:152
202789953,1cyclictest4516-21chrt11:07:281
202789953,1cyclictest25884-21chrt07:20:031
202789952,1cyclictest0-21swapper/109:58:051
202789952,1cyclictest0-21swapper/109:58:041
202789951,4cyclictest0-21swapper/111:20:351
202789951,2cyclictest0-21swapper/110:32:251
202789951,1cyclictest0-21swapper/109:32:561
202789950,5cyclictest0-21swapper/109:01:131
202789950,5cyclictest0-21swapper/107:29:381
202789950,4cyclictest0-21swapper/111:50:151
202789950,2cyclictest0-21swapper/111:02:091
202789950,2cyclictest0-21swapper/110:55:131
202789950,1cyclictest0-21swapper/109:40:101
202789950,1cyclictest0-21swapper/107:55:111
202789950,1cyclictest0-21swapper/107:45:121
202789950,1cyclictest0-21swapper/107:30:121
202789950,0cyclictest0-21swapper/107:55:001
202699954,1cyclictest9-21ksoftirqd/007:50:120
202699952,1cyclictest26424-21/usr/sbin/munin07:20:140
202699950,5cyclictest0-21swapper/008:05:200
202699950,4cyclictest0-21swapper/007:45:120
202699950,0cyclictest0-21swapper/008:35:060
13536250,1sleep10-21swapper/109:10:011
13536250,1sleep10-21swapper/109:10:011
202929940,2cyclictest0-21swapper/309:00:103
202789944,0cyclictest0-21swapper/107:41:201
202789943,1cyclictest31316-21chrt08:36:451
202789943,1cyclictest1968-21chrt08:45:101
202789942,1cyclictest315022sleep111:45:091
202789941,1cyclictest0-21swapper/109:50:121
202789940,4cyclictest0-21swapper/108:25:211
202789940,3cyclictest0-21swapper/108:55:111
202789940,2cyclictest0-21swapper/112:10:141
202789940,2cyclictest0-21swapper/111:25:091
202789940,2cyclictest0-21swapper/108:10:011
202789940,1cyclictest0-21swapper/112:15:121
202789940,1cyclictest0-21swapper/109:35:111
202789940,0cyclictest0-21swapper/107:35:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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