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2026-05-25 - 20:50
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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 rack1slot1.osadl.org (updated Mon May 25, 2026 12:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226032222171,24sleep30-21swapper/307:06:193
227012210159,25sleep20-21swapper/207:07:342
227762206157,35sleep00-21swapper/007:08:330
226952197159,25sleep10-21swapper/107:07:291
311392600,0sleep10-21swapper/110:11:441
27022590,0sleep30-21swapper/311:44:463
287442240,1sleep121-21ksoftirqd/109:25:181
22983991312,1cyclictest9-21ksoftirqd/012:35:150
22983991312,1cyclictest9-21ksoftirqd/007:54:590
22983991311,1cyclictest9-21ksoftirqd/011:10:000
23008991210,1cyclictest35-21ksoftirqd/310:25:003
23008991210,1cyclictest35-21ksoftirqd/309:50:013
23008991210,1cyclictest35-21ksoftirqd/307:50:003
23000991211,1cyclictest28-21ksoftirqd/211:30:002
23000991211,1cyclictest28-21ksoftirqd/208:50:002
22983991211,1cyclictest9-21ksoftirqd/009:20:000
23008991110,1cyclictest35-21ksoftirqd/311:30:013
2300899110,5cyclictest240-21systemd-journal11:34:103
23000991110,1cyclictest28-21ksoftirqd/208:45:002
2298399119,1cyclictest9-21ksoftirqd/012:30:140
2298399113,4cyclictest8575-21cat08:55:000
2298399112,5cyclictest25121-21cut12:15:000
22983991110,0cyclictest9-21ksoftirqd/011:40:010
2298399110,6cyclictest561-21nscd11:55:080
2300899109,1cyclictest35-21ksoftirqd/310:35:133
2300899109,1cyclictest35-21ksoftirqd/309:20:003
2300899109,1cyclictest35-21ksoftirqd/308:35:003
2300099109,1cyclictest28-21ksoftirqd/211:45:002
2300099109,1cyclictest28-21ksoftirqd/208:55:012
2300099103,6cyclictest28-21ksoftirqd/209:58:592
2298399101,5cyclictest0-21swapper/009:45:140
2298399100,5cyclictest26386-21/usr/sbin/munin10:50:110
2298399100,3cyclictest0-21swapper/009:00:120
230089999,0cyclictest35-21ksoftirqd/307:25:003
230089998,1cyclictest35-21ksoftirqd/312:30:003
230089998,1cyclictest35-21ksoftirqd/309:40:123
230089998,1cyclictest35-21ksoftirqd/309:10:133
230089997,1cyclictest35-21ksoftirqd/309:00:003
230089996,1cyclictest35-21ksoftirqd/309:40:003
230089994,4cyclictest24688-21/usr/sbin/munin08:20:173
230089991,7cyclictest1982-21sendmail-mta10:41:413
230089990,6cyclictest18122-21kworker/u8:110:55:063
230009998,1cyclictest28-21ksoftirqd/209:20:142
230009998,1cyclictest28-21ksoftirqd/209:05:012
230009994,2cyclictest240-21systemd-journal09:15:002
230009990,2cyclictest0-21swapper/209:36:152
229939999,0cyclictest0-21swapper/108:40:101
229839999,0cyclictest9-21ksoftirqd/010:55:120
229839999,0cyclictest9-21ksoftirqd/010:45:120
229839999,0cyclictest9-21ksoftirqd/010:00:190
229839998,1cyclictest9-21ksoftirqd/011:00:140
229839998,1cyclictest9-21ksoftirqd/010:05:130
229839997,1cyclictest9-21ksoftirqd/011:50:130
229839997,1cyclictest9-21ksoftirqd/008:15:010
229839997,1cyclictest9-21ksoftirqd/008:05:130
229839992,4cyclictest14977-21latency_hist10:34:590
230089987,1cyclictest35-21ksoftirqd/312:25:003
230089987,1cyclictest35-21ksoftirqd/311:15:013
230089986,1cyclictest35-21ksoftirqd/308:55:013
230089986,1cyclictest35-21ksoftirqd/308:20:003
230089986,1cyclictest35-21ksoftirqd/307:55:013
230089981,4cyclictest18253-21diskstats09:55:133
230009987,1cyclictest28-21ksoftirqd/212:24:592
230009987,1cyclictest28-21ksoftirqd/210:10:202
230009987,1cyclictest28-21ksoftirqd/210:05:012
230009986,1cyclictest61650irq/122-eno111:55:122
230009986,1cyclictest61650irq/122-eno109:50:122
230009986,1cyclictest28-21ksoftirqd/212:15:132
230009985,2cyclictest14226-21ssh12:00:112
230009981,3cyclictest17932-21/usr/sbin/munin11:20:192
229939981,3cyclictest0-21swapper/109:00:131
229839988,0cyclictest9-21ksoftirqd/010:40:150
229839988,0cyclictest9-21ksoftirqd/010:25:120
229839988,0cyclictest9-21ksoftirqd/010:20:120
229839987,1cyclictest9-21ksoftirqd/011:15:000
229839986,1cyclictest9-21ksoftirqd/011:10:170
229839985,3cyclictest9-21ksoftirqd/012:25:140
229839982,3cyclictest17495-21perf09:55:000
229839980,7cyclictest3439-21ssh10:19:390
229839980,7cyclictest32306-21awk10:14:590
229839980,7cyclictest21169-21perf10:00:010
229839980,7cyclictest1634-21ssh11:41:440
229839980,6cyclictest31384-21apt-get09:30:100
229839980,4cyclictest18715-21cat10:40:010
229839980,1cyclictest25353-21munin-node09:41:440
230089976,1cyclictest35-21ksoftirqd/311:45:123
230089976,1cyclictest35-21ksoftirqd/311:15:003
230089976,1cyclictest35-21ksoftirqd/309:29:593
230089976,1cyclictest35-21ksoftirqd/307:29:063
230089975,1cyclictest6312-21ssh12:31:043
230089975,1cyclictest35-21ksoftirqd/308:45:013
230089975,1cyclictest35-21ksoftirqd/307:55:103
230089975,1cyclictest35-21ksoftirqd/307:15:013
230089975,1cyclictest35-21ksoftirqd/307:15:003
230089975,1cyclictest24758-21sh10:04:413
230089973,2cyclictest240-21systemd-journal09:05:013
230089973,2cyclictest240-21systemd-journal08:05:203
230089973,1cyclictest240-21systemd-journal11:35:093
230089970,4cyclictest0-21swapper/310:11:033
230089970,2cyclictest0-21swapper/310:25:123
230009977,0cyclictest0-21swapper/211:37:032
230009976,1cyclictest61650irq/122-eno112:11:122
230009976,1cyclictest61650irq/122-eno112:06:532
230009976,1cyclictest61650irq/122-eno110:48:552
230009976,1cyclictest61650irq/122-eno110:30:132
230009976,1cyclictest61650irq/122-eno110:25:132
230009976,1cyclictest61650irq/122-eno110:20:012
230009976,1cyclictest61650irq/122-eno110:09:242
230009976,1cyclictest28-21ksoftirqd/211:30:002
230009976,1cyclictest28-21ksoftirqd/208:35:142
230009976,1cyclictest28-21ksoftirqd/208:30:002
230009976,1cyclictest28-21ksoftirqd/207:39:592
230009976,1cyclictest28-21ksoftirqd/207:35:002
230009975,1cyclictest61650irq/122-eno112:35:172
230009975,1cyclictest61650irq/122-eno111:50:172
230009975,1cyclictest61650irq/122-eno111:07:012
230009975,1cyclictest61650irq/122-eno110:35:192
230009975,1cyclictest61650irq/122-eno109:45:192
230009975,1cyclictest28-21ksoftirqd/211:10:132
230009975,1cyclictest28-21ksoftirqd/209:35:002
230009975,1cyclictest20559-21cat09:15:172
230009974,1cyclictest240-21systemd-journal07:15:012
230009973,1cyclictest240-21systemd-journal10:50:092
230009970,3cyclictest0-21swapper/211:15:112
229939970,4cyclictest0-21swapper/107:35:111
229939970,3cyclictest0-21swapper/111:08:351
229939970,2cyclictest0-21swapper/109:47:091
229839977,0cyclictest9-21ksoftirqd/011:45:160
229839976,1cyclictest9-21ksoftirqd/011:30:110
229839976,1cyclictest9-21ksoftirqd/009:25:130
229839976,1cyclictest27853-1kworker/u9:112:19:000
229839975,1cyclictest9655-21cat08:55:150
229839975,1cyclictest9-21ksoftirqd/011:25:120
229839975,1cyclictest9-21ksoftirqd/008:30:130
229839975,1cyclictest4005-21ntp_states09:35:170
229839971,5cyclictest17932-21ssh12:05:110
229839970,6cyclictest18821-21ssh09:13:390
229839970,6cyclictest16835-21ssh12:02:440
229839970,6cyclictest0-21swapper/008:35:210
229839970,1cyclictest3749-21diskstats07:35:120
229839970,1cyclictest29648-21cstates12:20:130
229839970,1cyclictest27108-21ssh09:24:480
229839970,1cyclictest19338-21ssh11:22:450
229839970,1cyclictest0-21swapper/007:15:130
22683270,5sleep10-21swapper/110:00:201
19929270,1sleep10-21swapper/111:24:261
230089966,0cyclictest35-21ksoftirqd/311:00:213
230089965,1cyclictest7144-21ssh11:05:543
230089965,1cyclictest35-21ksoftirqd/312:10:153
230089965,1cyclictest35-21ksoftirqd/312:00:133
230089965,1cyclictest35-21ksoftirqd/311:50:123
230089965,1cyclictest35-21ksoftirqd/310:45:143
230089965,1cyclictest35-21ksoftirqd/309:30:123
230089965,1cyclictest35-21ksoftirqd/307:30:133
230089965,1cyclictest26337-21ntpq10:05:183
230089965,1cyclictest26044-21ssh09:22:063
230089965,1cyclictest19504-21ssh11:23:123
230089965,1cyclictest10613-21ssh12:37:423
230089964,1cyclictest19111-21ntpq12:05:173
230089964,1cyclictest14919-21cat09:50:173
230089963,1cyclictest548-21systemd-logind08:10:193
230089963,1cyclictest240-21systemd-journal09:07:523
230089963,1cyclictest240-21systemd-journal08:36:363
230089962,1cyclictest15612-21diskmemload10:30:523
230089960,6cyclictest13024-21sshd11:57:293
230089960,6cyclictest0-21swapper/312:17:593
230089960,1cyclictest0-21swapper/310:50:113
230009966,0cyclictest61650irq/122-eno110:15:102
230009966,0cyclictest61650irq/122-eno109:05:082
230009966,0cyclictest61650irq/122-eno108:22:062
230009966,0cyclictest61650irq/122-eno107:55:322
230009966,0cyclictest61650irq/122-eno107:50:162
230009966,0cyclictest61650irq/122-eno107:40:082
230009966,0cyclictest28-21ksoftirqd/208:55:012
230009965,1cyclictest8295-21ssh09:40:202
230009965,1cyclictest61650irq/122-eno112:30:102
230009965,1cyclictest61650irq/122-eno110:40:112
230009965,1cyclictest61650irq/122-eno109:26:332
230009965,1cyclictest31752-21ssh11:40:042
230009965,1cyclictest28-21ksoftirqd/208:15:012
230009965,1cyclictest28-21ksoftirqd/208:15:002
230009964,1cyclictest61650irq/122-eno112:25:122
230009964,1cyclictest28-21ksoftirqd/210:55:132
230009964,1cyclictest28-21ksoftirqd/207:24:592
230009963,2cyclictest17655-21tr08:05:132
230009960,2cyclictest0-21swapper/211:00:122
230009960,2cyclictest0-21swapper/208:00:102
230009960,2cyclictest0-21swapper/208:00:092
229939961,3cyclictest0-21swapper/111:38:151
229939960,4cyclictest0-21swapper/111:50:201
229939960,4cyclictest0-21swapper/111:40:141
229939960,3cyclictest0-21swapper/112:35:041
229939960,3cyclictest0-21swapper/110:40:121
229939960,3cyclictest0-21swapper/109:16:541
229939960,2cyclictest0-21swapper/112:20:171
229939960,2cyclictest0-21swapper/112:10:061
229939960,2cyclictest0-21swapper/111:03:581
229939960,2cyclictest0-21swapper/110:53:491
229939960,2cyclictest0-21swapper/110:05:101
229939960,2cyclictest0-21swapper/109:39:321
229939960,2cyclictest0-21swapper/109:24:181
229939960,2cyclictest0-21swapper/109:11:371
229939960,2cyclictest0-21swapper/107:30:121
229939960,1cyclictest0-21swapper/112:26:561
229939960,1cyclictest0-21swapper/109:55:391
229939960,1cyclictest0-21swapper/109:30:171
229939960,1cyclictest0-21swapper/108:45:111
229939960,1cyclictest0-21swapper/108:05:101
229939960,0cyclictest0-21swapper/112:30:191
229839965,1cyclictest9-21ksoftirqd/007:30:130
229839963,1cyclictest240-21systemd-journal08:16:210
229839960,6cyclictest0-21swapper/007:10:260
229839960,5cyclictest14153-21fschecks_time09:05:150
229839960,5cyclictest0-21swapper/007:55:150
229839960,3cyclictest0-21swapper/007:45:180
229839960,0cyclictest0-21swapper/008:49:050
229839960,0cyclictest0-21swapper/007:40:110
2107260,0sleep30-21swapper/310:15:513
230089955,0cyclictest35-21ksoftirqd/307:35:163
230089954,1cyclictest35-21ksoftirqd/308:25:163
230089953,1cyclictest15042-21/usr/sbin/munin08:00:233
230089953,1cyclictest15042-21/usr/sbin/munin08:00:233
230009955,0cyclictest61650irq/122-eno107:15:172
230009954,1cyclictest28-21ksoftirqd/208:30:122
230009953,1cyclictest61650irq/122-eno107:45:132
230009950,0cyclictest0-21swapper/207:25:122
229939955,0cyclictest0-21swapper/111:32:121
229939951,3cyclictest0-21swapper/111:55:111
229939951,3cyclictest0-21swapper/108:01:291
229939951,3cyclictest0-21swapper/108:01:291
229939951,2cyclictest0-21swapper/108:15:131
229939951,1cyclictest0-21swapper/111:25:091
229939950,5cyclictest0-21swapper/110:46:041
229939950,5cyclictest0-21swapper/110:35:151
229939950,5cyclictest0-21swapper/109:06:041
229939950,5cyclictest0-21swapper/108:35:171
229939950,5cyclictest0-21swapper/108:30:111
229939950,5cyclictest0-21swapper/107:56:381
229939950,5cyclictest0-21swapper/107:29:321
229939950,5cyclictest0-21swapper/107:14:351
229939950,3cyclictest0-21swapper/112:06:001
229939950,3cyclictest0-21swapper/112:01:201
229939950,3cyclictest0-21swapper/109:42:551
229939950,2cyclictest0-21swapper/111:45:501
229939950,2cyclictest0-21swapper/111:15:121
229939950,2cyclictest0-21swapper/111:10:111
229939950,2cyclictest0-21swapper/110:55:101
229939950,2cyclictest0-21swapper/110:30:071
229939950,1cyclictest0-21swapper/112:16:221
229939950,1cyclictest0-21swapper/110:25:191
229939950,1cyclictest0-21swapper/110:18:541
229939950,1cyclictest0-21swapper/107:45:191
229939950,1cyclictest0-21swapper/107:20:151
229939950,0cyclictest0-21swapper/109:50:251
229839950,5cyclictest0-21swapper/007:25:200
229839950,4cyclictest24688-21/usr/sbin/munin08:20:130
229839950,4cyclictest15042-21/usr/sbin/munin08:00:100
229839950,4cyclictest15042-21/usr/sbin/munin08:00:090
229839950,0cyclictest0-21swapper/008:25:000
229839950,0cyclictest0-21swapper/007:20:080
230089943,0cyclictest35-21ksoftirqd/307:40:123
230089942,1cyclictest4051-21taskset08:45:053
229939943,1cyclictest0-21swapper/107:15:211
229939940,3cyclictest0-21swapper/108:50:161
229939940,2cyclictest0-21swapper/110:20:131
229939940,1cyclictest0-21swapper/108:55:101
229939940,0cyclictest0-21swapper/108:10:191
229839940,1cyclictest0-21swapper/008:40:110
229939932,1cyclictest27037-21chrt08:25:021
229939931,1cyclictest0-21swapper/108:20:091
229939930,1cyclictest0-21swapper/107:50:131
229939930,1cyclictest0-21swapper/107:40:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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