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2026-06-25 - 16:48
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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 Thu Jun 25, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149002208153,21sleep10-21swapper/107:09:351
147582206156,24sleep00-21swapper/007:07:450
148872205153,40sleep30-21swapper/307:09:253
147652203162,26sleep20-21swapper/207:07:502
2107121140,0sleep11502099cyclictest10:50:141
198832640,0sleep20-21swapper/210:49:272
77032610,0sleep20-21swapper/208:00:142
115312480,0sleep30-21swapper/309:14:323
213092220,0sleep10-21swapper/108:30:001
240232190,0sleep00-21swapper/010:10:200
15012991311,1cyclictest9-21ksoftirqd/012:40:000
1502499120,12cyclictest0-21swapper/212:00:102
1501299123,4cyclictest31632-21apt-get11:05:010
15012991211,1cyclictest9-21ksoftirqd/009:45:010
116662120,0sleep00-21swapper/011:20:120
69212110,0sleep30-21swapper/311:14:273
1502499119,1cyclictest28-21ksoftirqd/209:40:002
15024991111,0cyclictest0-21swapper/210:23:092
1501299119,1cyclictest9-21ksoftirqd/011:20:000
1501299119,1cyclictest9-21ksoftirqd/008:44:590
1501299110,10cyclictest20658-21/usr/sbin/munin12:15:150
1502499108,1cyclictest28-21ksoftirqd/211:50:012
1502499108,1cyclictest28-21ksoftirqd/211:50:002
1502499101,8cyclictest8071-21diskmemload10:50:172
1501299109,1cyclictest9-21ksoftirqd/011:30:000
1501299108,1cyclictest9-21ksoftirqd/010:45:130
1501299108,1cyclictest9-21ksoftirqd/007:30:000
1501299102,4cyclictest20429-21cat12:15:000
1501299100,7cyclictest240-21systemd-journal11:10:030
150329998,1cyclictest35-21ksoftirqd/310:25:013
150249990,7cyclictest11671-21ssh10:37:422
150249990,0cyclictest0-21swapper/209:49:592
150129999,0cyclictest9-21ksoftirqd/012:30:190
150129999,0cyclictest9-21ksoftirqd/010:35:110
150129998,1cyclictest9-21ksoftirqd/012:25:000
150129998,1cyclictest9-21ksoftirqd/009:29:590
150129998,1cyclictest9-21ksoftirqd/007:30:020
150129998,1cyclictest21617-21ssh10:50:180
150129990,9cyclictest0-21swapper/010:55:180
150129990,5cyclictest0-21swapper/009:50:100
150329983,1cyclictest8071-21diskmemload11:54:373
150329982,3cyclictest0-21swapper/310:31:083
150329981,3cyclictest240-21systemd-journal07:35:003
150329980,3cyclictest11671-21ssh12:01:483
150249986,1cyclictest61650irq/122-eno108:00:002
150249986,1cyclictest28-21ksoftirqd/209:05:012
150249986,1cyclictest21807-21sh10:08:382
150249986,1cyclictest17123-21ntpq09:20:162
150249980,7cyclictest17356-21kworker/2:009:55:142
150209980,0cyclictest0-21swapper/110:00:201
150209980,0cyclictest0-21swapper/107:40:211
150129988,0cyclictest9-21ksoftirqd/010:30:150
150129987,1cyclictest9-21ksoftirqd/009:55:140
150129986,1cyclictest9-21ksoftirqd/011:40:140
150129986,1cyclictest9-21ksoftirqd/008:15:000
150129986,1cyclictest16518-21basename08:20:000
150129983,1cyclictest27901-21/usr/sbin/munin07:35:150
150129980,7cyclictest29880-21sed09:35:190
150129980,7cyclictest19039-21ssh09:23:380
150129980,7cyclictest11056-21sed12:00:210
150329976,1cyclictest35-21ksoftirqd/311:35:533
150329974,1cyclictest35-21ksoftirqd/308:06:463
150329973,2cyclictest240-21systemd-journal12:40:003
150329973,2cyclictest240-21systemd-journal11:58:043
150329973,1cyclictest240-21systemd-journal10:40:013
150329971,5cyclictest32704-21/usr/sbin/munin08:50:193
150329971,4cyclictest3591-21apt-get09:00:103
150329971,4cyclictest1357-21cat12:30:193
150329971,3cyclictest8071-21diskmemload12:10:253
150329970,6cyclictest0-21swapper/310:49:523
150329970,3cyclictest0-21swapper/309:46:233
150329970,3cyclictest0-21swapper/308:55:133
150329970,2cyclictest8071-21diskmemload11:10:003
150329970,1cyclictest8071-21diskmemload10:19:083
150249976,1cyclictest61650irq/122-eno111:18:242
150249976,1cyclictest61650irq/122-eno111:12:032
150249976,1cyclictest61650irq/122-eno111:04:512
150249976,1cyclictest61650irq/122-eno110:30:132
150249976,1cyclictest61650irq/122-eno110:27:462
150249976,1cyclictest28-21ksoftirqd/209:40:032
150249975,1cyclictest61650irq/122-eno112:40:002
150249975,1cyclictest61650irq/122-eno112:25:132
150249975,1cyclictest61650irq/122-eno107:35:112
150249975,1cyclictest28-21ksoftirqd/208:29:592
150249973,4cyclictest0-21swapper/211:41:132
150249973,1cyclictest0-21swapper/210:19:202
150249972,2cyclictest240-21systemd-journal12:30:362
150249970,2cyclictest18647-21users12:10:202
150249970,1cyclictest0-21swapper/211:36:082
150209977,0cyclictest0-21swapper/112:24:181
150209977,0cyclictest0-21swapper/111:56:341
150209977,0cyclictest0-21swapper/111:09:261
150209977,0cyclictest0-21swapper/110:49:291
150209977,0cyclictest0-21swapper/110:13:291
150209977,0cyclictest0-21swapper/109:44:471
150209974,2cyclictest0-21swapper/111:45:201
150209974,2cyclictest0-21swapper/111:45:191
150209971,1cyclictest0-21swapper/110:05:001
150209970,5cyclictest0-21swapper/110:35:461
150209970,5cyclictest0-21swapper/108:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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