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2026-07-04 - 20:00
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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 Jul 04, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31472222159,24sleep10-21swapper/107:09:591
31172207157,24sleep00-21swapper/007:09:370
28872202157,26sleep30-21swapper/307:06:393
28042201162,25sleep20-21swapper/207:05:342
120612690,0sleep10-21swapper/107:25:151
131922170,0sleep00-21swapper/009:30:460
3222991412,1cyclictest9-21ksoftirqd/007:40:010
182872140,0sleep30-21swapper/309:39:583
3222991210,1cyclictest9-21ksoftirqd/009:45:000
3247991111,0cyclictest35-21ksoftirqd/308:14:593
323999119,1cyclictest9427-21sh10:10:182
323999119,1cyclictest28-21ksoftirqd/207:35:002
323999119,1cyclictest28-21ksoftirqd/207:35:002
322299119,1cyclictest9-21ksoftirqd/012:35:140
3222991110,1cyclictest9-21ksoftirqd/011:30:140
3222991110,1cyclictest9-21ksoftirqd/009:50:000
281602110,0sleep20-21swapper/209:51:552
323999109,1cyclictest0-21swapper/211:59:112
322299109,1cyclictest9-21ksoftirqd/012:10:260
322299109,1cyclictest9-21ksoftirqd/011:00:140
322299108,1cyclictest9-21ksoftirqd/009:40:000
32479997,1cyclictest28502-21diskmemload10:16:013
32479993,5cyclictest22709-1kworker/u9:211:17:143
32479991,5cyclictest28727-21runrttasks09:10:033
32399998,0cyclictest0-21swapper/209:19:282
32399991,3cyclictest30486-21apt-get08:05:112
32399990,6cyclictest16752-21ps10:20:182
32399990,4cyclictest1187-21apt-get10:45:112
32319990,1cyclictest0-21swapper/111:10:121
32229998,1cyclictest9-21ksoftirqd/012:17:050
32229998,1cyclictest9-21ksoftirqd/012:05:130
32229998,1cyclictest9-21ksoftirqd/010:40:160
32229998,1cyclictest9-21ksoftirqd/010:29:420
32229997,1cyclictest9-21ksoftirqd/010:05:130
32229997,1cyclictest9-21ksoftirqd/007:59:590
32479982,2cyclictest28502-21diskmemload10:20:143
32479980,5cyclictest0-21swapper/312:35:113
32479980,3cyclictest0-21swapper/312:05:003
32399986,1cyclictest61650irq/122-eno112:15:212
32399986,1cyclictest61650irq/122-eno111:25:132
32399986,1cyclictest61650irq/122-eno111:20:222
32399986,1cyclictest61650irq/122-eno111:00:132
32399986,1cyclictest61650irq/122-eno110:31:352
32399986,1cyclictest61650irq/122-eno109:35:212
32399986,1cyclictest61650irq/122-eno109:20:202
32399986,1cyclictest30935-21sensors09:55:202
32399984,1cyclictest61650irq/122-eno107:19:082
32399983,2cyclictest240-21systemd-journal10:40:132
32399982,4cyclictest28-21ksoftirqd/211:53:242
32399981,6cyclictest21656-21apt-get08:55:122
32399981,4cyclictest561-21nscd10:15:142
32399980,7cyclictest16912-21/usr/sbin/munin12:35:172
32399980,0cyclictest0-21swapper/209:13:572
32319981,6cyclictest0-21swapper/111:47:331
32319980,4cyclictest0-21swapper/108:15:121
32319980,3cyclictest0-21swapper/112:35:111
32319980,1cyclictest0-21swapper/109:20:121
32229988,0cyclictest9-21ksoftirqd/012:00:140
32229987,1cyclictest9-21ksoftirqd/012:30:140
32229987,1cyclictest9-21ksoftirqd/011:55:160
32229987,1cyclictest9-21ksoftirqd/010:55:140
32229987,1cyclictest9-21ksoftirqd/009:50:100
32229987,1cyclictest9-21ksoftirqd/009:25:180
32229987,1cyclictest9-21ksoftirqd/009:10:120
32229986,1cyclictest9-21ksoftirqd/011:25:190
32229986,1cyclictest9-21ksoftirqd/010:33:530
32229986,1cyclictest9-21ksoftirqd/009:00:110
32229986,1cyclictest23789-21perf09:00:000
32229986,1cyclictest16360-21cat10:20:150
32229985,2cyclictest28502-21diskmemload11:10:190
32229983,5cyclictest16400-21latency_hist11:50:010
32229980,5cyclictest12351-21forks10:15:150
32229980,1cyclictest4146-21perl07:10:160
32229980,1cyclictest25079-21ssh11:15:390
32754270,0sleep30-21swapper/311:26:133
32479976,1cyclictest9361-21cat10:55:163
32479975,1cyclictest35-21ksoftirqd/308:04:593
32479975,1cyclictest35-21ksoftirqd/307:20:003
32479972,4cyclictest32131-21kworker/u8:010:40:203
32479972,3cyclictest6019-21apt-get12:20:113
32479971,4cyclictest0-21swapper/310:37:543
32479970,6cyclictest15361-21ssh11:47:063
32479970,6cyclictest0-21swapper/309:31:033
32479970,4cyclictest0-21swapper/311:55:033
32479970,4cyclictest0-21swapper/308:55:113
32399976,1cyclictest61650irq/122-eno112:24:472
32399976,1cyclictest61650irq/122-eno112:14:062
32399976,1cyclictest61650irq/122-eno111:48:022
32399976,1cyclictest61650irq/122-eno111:20:002
32399976,1cyclictest61650irq/122-eno111:10:202
32399976,1cyclictest61650irq/122-eno109:27:142
32399976,1cyclictest61650irq/122-eno107:35:142
32399975,1cyclictest61650irq/122-eno110:25:152
32399975,1cyclictest61650irq/122-eno109:45:162
32399975,1cyclictest61650irq/122-eno108:00:142
32399975,1cyclictest5736-21ssh11:35:122
32399975,1cyclictest28-21ksoftirqd/209:09:552
32399975,1cyclictest12422-21ntpq09:30:172
32399974,1cyclictest11215-21apt-get07:25:122
32399973,3cyclictest7702-21runrttasks10:53:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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