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2026-04-15 - 21:21
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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 the highest latencies:
System rack1slot1.osadl.org (updated Wed Apr 15, 2026 12:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71882210159,25sleep30-21swapper/307:07:163
72742208157,38sleep00-21swapper/007:08:210
72372203163,26sleep20-21swapper/207:07:552
72702199159,26sleep10-21swapper/107:08:181
65052630,0sleep10-21swapper/111:24:171
101552440,0sleep10-21swapper/112:10:151
123142150,0sleep10-21swapper/107:15:191
81112140,0sleep30-21swapper/312:08:253
266982140,0sleep10-21swapper/111:50:131
748999129,1cyclictest28-21ksoftirqd/209:15:002
7486991210,1cyclictest9-21ksoftirqd/008:10:010
7496991110,1cyclictest35-21ksoftirqd/312:15:003
748999119,1cyclictest28-21ksoftirqd/211:30:002
748999119,1cyclictest14113-21/usr/sbin/munin08:30:202
748699111,7cyclictest16645-21apt-get10:55:100
23112119,1sleep228-21ksoftirqd/210:35:172
749699109,1cyclictest35-21ksoftirqd/312:20:003
749699100,2cyclictest0-21swapper/307:15:013
748999109,1cyclictest28-21ksoftirqd/209:10:012
748999100,5cyclictest0-21swapper/210:40:122
748699109,1cyclictest9-21ksoftirqd/011:55:110
748699109,1cyclictest9-21ksoftirqd/010:35:160
748699108,1cyclictest9-21ksoftirqd/011:45:150
74969998,1cyclictest35-21ksoftirqd/311:50:003
74969998,1cyclictest35-21ksoftirqd/309:30:003
74969990,3cyclictest0-21swapper/312:20:113
74899998,1cyclictest28-21ksoftirqd/212:25:002
74899998,1cyclictest28-21ksoftirqd/208:20:002
74899998,0cyclictest28-21ksoftirqd/211:30:212
74899997,1cyclictest28-21ksoftirqd/209:45:002
74899997,1cyclictest28-21ksoftirqd/209:20:112
74899997,1cyclictest28-21ksoftirqd/207:25:002
74899991,6cyclictest32755-21diskmemload11:10:112
74899990,8cyclictest24028-21cron09:40:002
74879990,4cyclictest0-21swapper/111:05:061
74869998,1cyclictest9-21ksoftirqd/012:25:000
74869998,1cyclictest9-21ksoftirqd/012:05:140
74869998,1cyclictest9-21ksoftirqd/010:30:110
74869998,1cyclictest9-21ksoftirqd/009:45:190
74869998,1cyclictest9-21ksoftirqd/009:25:000
74869997,1cyclictest9-21ksoftirqd/010:25:130
74869997,1cyclictest9-21ksoftirqd/009:50:110
74869996,1cyclictest9-21ksoftirqd/009:10:000
74869990,5cyclictest12495-21ssh09:25:100
30843290,1sleep121-21ksoftirqd/110:30:151
74969988,0cyclictest35-21ksoftirqd/311:00:013
74969980,3cyclictest18399-21grep10:15:003
74969980,3cyclictest0-21swapper/311:25:113
74969980,0cyclictest0-21swapper/310:36:213
74899987,1cyclictest28-21ksoftirqd/210:30:152
74899986,1cyclictest61650irq/122-eno112:15:162
74899986,1cyclictest61650irq/122-eno111:01:392
74899986,1cyclictest61650irq/122-eno110:20:132
74899986,1cyclictest61650irq/122-eno110:00:542
74899986,1cyclictest28-21ksoftirqd/212:35:132
74899986,1cyclictest28-21ksoftirqd/212:35:132
74899986,1cyclictest28-21ksoftirqd/208:50:002
74899986,1cyclictest28-21ksoftirqd/207:50:002
74899984,3cyclictest693-21runrttasks11:24:132
74879980,5cyclictest0-21swapper/112:25:121
74869988,0cyclictest9-21ksoftirqd/010:20:110
74869988,0cyclictest9-21ksoftirqd/010:15:170
74869987,1cyclictest9-21ksoftirqd/012:15:110
74869987,1cyclictest9-21ksoftirqd/010:00:010
74869986,1cyclictest9-21ksoftirqd/012:05:000
74869986,1cyclictest9-21ksoftirqd/011:25:130
74869986,1cyclictest9-21ksoftirqd/008:15:150
74869984,2cyclictest240-21systemd-journal09:20:000
74869984,2cyclictest240-21systemd-journal07:45:000
74869984,0cyclictest0-21swapper/007:45:180
74869983,4cyclictest0-21swapper/009:40:120
74869982,5cyclictest18656-21latency_hist08:40:000
74869982,4cyclictest202492sleep008:40:210
74869980,6cyclictest0-21swapper/011:40:110
74869980,6cyclictest0-21swapper/011:40:110
74869980,4cyclictest9087-21apt-get10:45:130
74869980,1cyclictest17433-21ssh09:30:150
74969976,1cyclictest35-21ksoftirqd/312:00:013
74969976,1cyclictest35-21ksoftirqd/310:20:163
74969976,1cyclictest35-21ksoftirqd/307:30:003
74969976,1cyclictest35-21ksoftirqd/307:13:103
74969976,1cyclictest344-21cat09:50:153
74969975,1cyclictest35-21ksoftirqd/311:55:013
74969975,1cyclictest35-21ksoftirqd/308:15:113
74969975,1cyclictest19101-21ssh09:32:123
74969974,1cyclictest240-21systemd-journal10:20:003
74969973,2cyclictest30633-21apt-get09:05:123
74969973,1cyclictest240-21systemd-journal07:55:013
74969973,1cyclictest240-21systemd-journal07:55:013
74969972,3cyclictest32755-21diskmemload11:17:173
74969972,0cyclictest32755-21diskmemload09:22:063
74969971,4cyclictest7470-21cyclictest09:46:313
74969971,1cyclictest240-21systemd-journal10:55:003
74969970,3cyclictest11372-21sshd08:23:103
74969970,3cyclictest0-21swapper/309:35:123
74899976,1cyclictest61650irq/122-eno111:17:052
74899976,1cyclictest61650irq/122-eno109:18:302
74899976,1cyclictest61650irq/122-eno108:40:002
74899976,1cyclictest61650irq/122-eno107:35:102
74899976,1cyclictest561-21nscd11:35:142
74899976,1cyclictest28-21ksoftirqd/207:20:002
74899976,0cyclictest61650irq/122-eno110:10:112
74899975,1cyclictest61650irq/122-eno110:50:142
74899975,1cyclictest28-21ksoftirqd/210:00:012
74899975,1cyclictest28-21ksoftirqd/208:05:152
74899975,1cyclictest2568-21ntpq12:00:172
74899975,1cyclictest22456-21ssh11:45:112
74899974,2cyclictest18671-21apt-get10:15:102
74899972,3cyclictest61650irq/122-eno109:00:112
74899970,7cyclictest0-21swapper/212:06:042
74879972,2cyclictest0-21swapper/111:18:581
74879971,3cyclictest0-21swapper/109:10:111
74879971,3cyclictest0-21swapper/108:30:151
74879970,4cyclictest0-21swapper/112:00:381
74879970,4cyclictest0-21swapper/109:54:471
74869977,0cyclictest9-21ksoftirqd/010:50:120
74869976,1cyclictest9-21ksoftirqd/007:55:010
74869976,1cyclictest9-21ksoftirqd/007:55:010
74869976,1cyclictest9-21ksoftirqd/007:35:130
74869976,1cyclictest5544-1kworker/u9:010:05:130
74869975,1cyclictest9-21ksoftirqd/008:45:120
74869975,1cyclictest9-21ksoftirqd/008:10:010
74869974,0cyclictest32755-21diskmemload11:52:420
74869971,4cyclictest32755-21diskmemload11:05:110
74869971,2cyclictest0-21swapper/008:25:000
74869970,6cyclictest32142-21ssh11:15:110
74869970,6cyclictest29114-21diskstats12:35:130
74869970,6cyclictest29114-21diskstats12:35:130
74869970,6cyclictest21392-21ssh11:00:170
74869970,6cyclictest18433-1kworker/u9:209:35:140
74869970,6cyclictest0-21swapper/011:35:150
74869970,6cyclictest0-21swapper/009:55:130
74869970,1cyclictest9500-21ssh12:10:120
74869970,1cyclictest5229-21ssh11:20:470
74869970,1cyclictest30827-21ssh11:12:560
74869970,1cyclictest17338-21uniq12:20:140
74869970,1cyclictest12817-21ssh11:30:550
74869970,1cyclictest0-21swapper/012:30:140
74869970,1cyclictest0-21swapper/009:10:470
74869970,1cyclictest0-21swapper/007:25:160
74969965,1cyclictest6760-21ssh09:16:433
74969965,1cyclictest5308-21ssh09:55:583
74969965,1cyclictest3542-21ssh09:13:393
74969965,1cyclictest35-21ksoftirqd/312:00:013
74969965,1cyclictest35-21ksoftirqd/311:05:133
74969965,1cyclictest35-21ksoftirqd/308:45:003
74969965,1cyclictest35-21ksoftirqd/308:05:013
74969965,1cyclictest35-21ksoftirqd/307:45:003
74969965,1cyclictest3372-21sshd11:20:113
74969965,1cyclictest32260-21ssh10:31:233
74969965,1cyclictest30814-21ssh12:36:313
74969965,1cyclictest30814-21ssh12:36:313
74969965,1cyclictest28315-21ssh10:26:013
74969965,1cyclictest26427-21ssh09:41:103
74969965,1cyclictest22988-21ssh12:26:283
74969965,1cyclictest20529-21ssh11:41:153
74969965,1cyclictest20529-21ssh11:41:153
74969965,1cyclictest18981-21ntpq07:30:163
74969965,1cyclictest17061-21ssh11:37:103
74969965,1cyclictest12249-21ssh10:05:153
74969964,1cyclictest35-21ksoftirqd/308:25:143
74969964,1cyclictest35-21ksoftirqd/308:10:013
74969964,1cyclictest26608-21ssh12:30:253
74969963,1cyclictest240-21systemd-journal08:55:003
74969961,3cyclictest0-21swapper/307:35:103
74969961,1cyclictest0-21swapper/310:41:423
74969960,4cyclictest10042-21kworker/3:008:55:133
74969960,3cyclictest20508-21aten_r1power_cu11:00:133
74969960,3cyclictest0-21swapper/311:31:083
74969960,2cyclictest0-21swapper/310:46:413
74969960,2cyclictest0-21swapper/310:03:403
74899966,0cyclictest61650irq/122-eno112:21:522
74899966,0cyclictest61650irq/122-eno112:10:112
74899966,0cyclictest61650irq/122-eno111:55:062
74899966,0cyclictest61650irq/122-eno111:52:012
74899966,0cyclictest61650irq/122-eno111:40:142
74899966,0cyclictest61650irq/122-eno111:40:142
74899966,0cyclictest61650irq/122-eno111:05:112
74899966,0cyclictest61650irq/122-eno110:56:352
74899966,0cyclictest61650irq/122-eno110:45:132
74899966,0cyclictest61650irq/122-eno110:25:012
74899966,0cyclictest61650irq/122-eno109:30:012
74899966,0cyclictest28-21ksoftirqd/208:50:102
74899965,1cyclictest61650irq/122-eno109:50:132
74899965,1cyclictest61650irq/122-eno109:45:142
74899965,1cyclictest61650irq/122-eno107:25:102
74899965,1cyclictest13844-21ssh10:07:582
74899964,1cyclictest61650irq/122-eno112:30:162
74899964,1cyclictest61650irq/122-eno108:25:142
74899964,1cyclictest61650irq/122-eno107:30:122
74899964,1cyclictest28-21ksoftirqd/207:40:132
74899963,1cyclictest240-21systemd-journal08:20:022
74899962,2cyclictest548-21systemd-logind09:25:182
74899961,3cyclictest0-21swapper/208:40:122
74879963,0cyclictest0-21swapper/112:20:191
74879961,1cyclictest0-21swapper/112:35:561
74879961,1cyclictest0-21swapper/112:35:561
74879960,6cyclictest0-21swapper/110:00:191
74879960,6cyclictest0-21swapper/108:25:161
74879960,4cyclictest0-21swapper/109:37:411
74879960,3cyclictest0-21swapper/112:15:011
74879960,3cyclictest0-21swapper/110:26:011
74879960,3cyclictest0-21swapper/109:32:091
74879960,2cyclictest0-21swapper/112:09:271
74879960,1cyclictest0-21swapper/109:55:111
74879960,1cyclictest0-21swapper/109:20:141
74879960,1cyclictest0-21swapper/107:25:101
74869963,2cyclictest13887-21perf08:30:000
74869963,1cyclictest240-21systemd-journal09:02:330
74869961,2cyclictest32755-21diskmemload10:10:300
74869961,1cyclictest10733-21/usr/sbin/munin07:15:190
74869960,5cyclictest22414-21kworker/0:010:40:150
74869960,5cyclictest0-21swapper/007:50:110
74869960,3cyclictest0-21swapper/007:30:100
74869960,0cyclictest0-21swapper/008:50:030
74869960,0cyclictest0-21swapper/008:01:110
74869960,0cyclictest0-21swapper/007:20:160
74969954,1cyclictest28161-21ssh11:10:123
74969954,1cyclictest25795-21cat07:45:163
74969953,1cyclictest35-21ksoftirqd/308:10:013
74969951,2cyclictest0-21swapper/307:20:113
74969950,5cyclictest0-21swapper/307:54:043
74969950,3cyclictest21193-21apt-get08:45:113
74899955,0cyclictest61650irq/122-eno107:10:112
74899954,1cyclictest28-21ksoftirqd/208:00:152
74899954,1cyclictest28-21ksoftirqd/207:55:012
74899954,1cyclictest28-21ksoftirqd/207:55:012
74899953,1cyclictest26818-21uname08:55:162
74899952,2cyclictest557-21irqbalance07:50:072
74899950,1cyclictest4666-21/usr/sbin/munin08:10:142
74879955,0cyclictest0-21swapper/109:45:111
74879953,1cyclictest0-21swapper/111:45:011
74879952,2cyclictest0-21swapper/110:45:121
74879951,3cyclictest0-21swapper/110:55:101
74879951,2cyclictest0-21swapper/108:20:111
74879951,1cyclictest0-21swapper/108:55:131
74879950,5cyclictest0-21swapper/110:11:441
74879950,4cyclictest0-21swapper/110:17:091
74879950,4cyclictest0-21swapper/109:25:491
74879950,3cyclictest0-21swapper/110:35:121
74879950,3cyclictest0-21swapper/108:10:181
74879950,3cyclictest0-21swapper/107:53:021
74879950,2cyclictest0-21swapper/110:50:121
74879950,2cyclictest0-21swapper/107:40:111
74879950,1cyclictest0-21swapper/111:37:271
74879950,1cyclictest0-21swapper/111:27:151
74879950,1cyclictest0-21swapper/109:17:261
74879950,0cyclictest0-21swapper/110:42:161
74869954,1cyclictest9-21ksoftirqd/008:30:140
74869950,5cyclictest0-21swapper/008:58:060
74869950,4cyclictest7688-21/usr/sbin/munin07:10:150
13084250,1sleep10-21swapper/111:31:391
74969942,1cyclictest17081-21cut08:35:133
74969942,1cyclictest14686-21cut08:30:143
74969940,1cyclictest0-21swapper/309:00:103
74879944,0cyclictest0-21swapper/109:00:051
74879944,0cyclictest0-21swapper/108:35:591
74879942,1cyclictest14953-21chrt07:21:361
74879941,3cyclictest0-21swapper/111:10:151
74879941,2cyclictest0-21swapper/107:55:011
74879941,2cyclictest0-21swapper/107:55:011
74879941,1cyclictest0-21swapper/107:30:131
74879940,4cyclictest0-21swapper/107:48:491
74879940,3cyclictest0-21swapper/111:41:301
74879940,3cyclictest0-21swapper/111:41:301
74879940,3cyclictest0-21swapper/111:00:191
74879940,3cyclictest0-21swapper/108:48:101
74879940,2cyclictest0-21swapper/112:31:381
74879940,2cyclictest0-21swapper/110:05:091
74879940,2cyclictest0-21swapper/109:40:121
74879940,2cyclictest0-21swapper/108:05:121
74879940,1cyclictest0-21swapper/110:20:091
74879940,1cyclictest0-21swapper/107:35:101
74879940,0cyclictest0-21swapper/111:55:191
74879931,2cyclictest0-21swapper/108:15:161
74879931,1cyclictest0-21swapper/109:05:111
74879931,1cyclictest0-21swapper/108:50:101
74879931,1cyclictest0-21swapper/108:40:121
74879931,1cyclictest0-21swapper/108:00:121
74879931,1cyclictest0-21swapper/107:10:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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