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2026-03-28 - 13:45
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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 Sat Mar 28, 2026 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287922213144,46sleep30-21swapper/307:08:193
289052202161,27sleep20-21swapper/207:09:482
286182200160,27sleep00-21swapper/007:06:030
285792196158,25sleep10-21swapper/107:05:321
138252680,0sleep10-21swapper/109:39:591
169632180,0sleep10-21swapper/112:30:141
2901599150,14cyclictest6886-21ls07:30:002
29015991413,1cyclictest28-21ksoftirqd/212:28:542
102982140,0sleep30-21swapper/308:45:113
303362130,0sleep00-21swapper/007:10:170
29015991311,1cyclictest28-21ksoftirqd/210:08:052
29015991311,1cyclictest28-21ksoftirqd/210:08:052
2901599130,12cyclictest30470-21sh08:20:002
29001991311,1cyclictest9-21ksoftirqd/008:30:000
2900199130,13cyclictest0-21swapper/009:20:110
29015991211,1cyclictest28-21ksoftirqd/212:34:592
29015991211,1cyclictest28-21ksoftirqd/209:40:132
29015991210,1cyclictest28-21ksoftirqd/212:15:002
29001991211,1cyclictest9-21ksoftirqd/011:20:000
2900199120,7cyclictest17708-21apt-get11:50:110
2900199120,7cyclictest17708-21apt-get11:50:100
2901599119,1cyclictest28-21ksoftirqd/210:05:002
2901599119,1cyclictest28-21ksoftirqd/207:40:012
29015991111,0cyclictest28-21ksoftirqd/207:50:132
29015991110,1cyclictest28-21ksoftirqd/210:52:072
2901599110,10cyclictest0-21swapper/212:01:522
29001991110,1cyclictest9-21ksoftirqd/011:40:000
29001991110,1cyclictest9-21ksoftirqd/009:05:000
2900199111,5cyclictest17603-21latency_hist09:44:590
2901799100,2cyclictest0-21swapper/307:15:113
2901599109,1cyclictest28-21ksoftirqd/211:45:152
2901599109,1cyclictest28-21ksoftirqd/210:40:192
2901599109,1cyclictest28-21ksoftirqd/210:10:052
2901599108,1cyclictest28-21ksoftirqd/209:36:242
2901599108,1cyclictest28-21ksoftirqd/208:35:012
29015991010,0cyclictest28-21ksoftirqd/210:55:152
2900199109,1cyclictest9-21ksoftirqd/012:15:010
2900199109,1cyclictest9-21ksoftirqd/010:50:140
2900199109,1cyclictest9-21ksoftirqd/010:20:000
2900199109,1cyclictest9-21ksoftirqd/007:35:010
2900199108,1cyclictest9-21ksoftirqd/012:24:590
2900199108,1cyclictest9-21ksoftirqd/010:20:160
2900199108,1cyclictest9-21ksoftirqd/008:50:000
2900199102,4cyclictest10089-21latency_hist08:44:590
290179998,1cyclictest35-21ksoftirqd/308:40:003
290179990,1cyclictest0-21swapper/310:40:133
290159998,1cyclictest28-21ksoftirqd/211:55:112
290159998,1cyclictest28-21ksoftirqd/211:40:162
290159998,1cyclictest28-21ksoftirqd/211:35:112
290159998,1cyclictest28-21ksoftirqd/211:30:152
290159998,1cyclictest28-21ksoftirqd/211:05:002
290159998,1cyclictest28-21ksoftirqd/210:45:142
290159998,1cyclictest28-21ksoftirqd/210:35:132
290159998,1cyclictest28-21ksoftirqd/210:30:132
290159998,1cyclictest28-21ksoftirqd/209:30:122
290159997,2cyclictest28-21ksoftirqd/209:50:202
290159997,1cyclictest28-21ksoftirqd/212:20:222
290159997,1cyclictest28-21ksoftirqd/210:20:202
290159997,1cyclictest28-21ksoftirqd/207:55:152
290159997,1cyclictest28-21ksoftirqd/207:15:142
290159990,9cyclictest0-21swapper/211:23:182
290159990,7cyclictest16393-21kworker/u8:011:07:542
290149990,8cyclictest0-21swapper/108:25:091
290019999,0cyclictest9-21ksoftirqd/010:00:140
290019998,1cyclictest9-21ksoftirqd/012:05:130
290019998,1cyclictest9-21ksoftirqd/011:15:010
290019990,3cyclictest22102-21apt-get09:10:110
11350290,0sleep10-21swapper/110:18:061
290159987,1cyclictest28-21ksoftirqd/212:10:102
290159987,1cyclictest28-21ksoftirqd/208:40:112
290159986,1cyclictest61650irq/122-eno110:20:002
290159986,1cyclictest61650irq/122-eno107:30:222
290159986,1cyclictest28-21ksoftirqd/211:15:122
290159986,1cyclictest28-21ksoftirqd/211:10:162
290159986,1cyclictest28-21ksoftirqd/209:26:332
290159986,1cyclictest28-21ksoftirqd/209:11:062
290149981,5cyclictest0-21swapper/110:55:121
290149980,1cyclictest0-21swapper/107:45:091
290019987,1cyclictest9-21ksoftirqd/011:40:130
290019987,1cyclictest9-21ksoftirqd/010:45:010
290019987,1cyclictest9-21ksoftirqd/007:55:140
290019987,1cyclictest29019-21ssh09:17:400
290019986,1cyclictest9-21ksoftirqd/011:55:130
290019986,1cyclictest9-21ksoftirqd/007:25:140
290019983,1cyclictest240-21systemd-journal12:35:000
290019982,3cyclictest5793-21perf09:30:000
290019981,6cyclictest733-21sshd09:36:160
290019980,7cyclictest13264-21ssh11:01:030
290019980,1cyclictest24917-21ssh09:54:160
290019980,1cyclictest16791-21ssh11:48:190
290179976,1cyclictest9717-21cat12:20:173
290179976,1cyclictest10360-21cat07:35:143
290179973,4cyclictest31364-21munin-node12:02:223
290179973,2cyclictest240-21systemd-journal09:19:523
290179971,3cyclictest21852-21diskmemload11:40:033
290179970,2cyclictest0-21swapper/311:25:543
290179970,1cyclictest693-21runrttasks10:50:123
290179970,1cyclictest0-21swapper/309:41:393
290159976,1cyclictest61650irq/122-eno112:05:162
290159976,1cyclictest61650irq/122-eno109:55:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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