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2026-04-15 - 18:27
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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