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2026-01-10 - 05:34
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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 rack3slot0.osadl.org (updated Sat Jan 10, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2717199114113,1cyclictest1116-21nfsd22:21:023
27197999070,1cyclictest65-21ksoftirqd/622:21:036
192072830,1sleep3686-21dbus-daemon22:29:223
2719099700,70cyclictest0-21swapper/522:21:045
2715799650,64cyclictest4448-21kworker/1:222:21:021
173972580,2sleep12715799cyclictest23:06:531
134452560,2sleep62719799cyclictest22:26:456
273432510,1sleep449-21ksoftirqd/423:30:264
141962510,0sleep30-21swapper/323:15:443
252632500,2sleep42718299cyclictest22:11:214
160772480,0sleep50-21swapper/522:03:545
160772480,0sleep50-21swapper/522:03:545
275772470,0sleep60-21swapper/623:09:466
109262460,1sleep310871-21sshd00:29:523
243782440,1sleep2321ktimersoftd/200:04:522
136192440,0sleep40-21swapper/400:16:074
113582440,0sleep60-21swapper/621:49:216
194032430,1sleep719398-21sshd21:49:547
161302430,0sleep30-21swapper/323:57:323
46522420,0sleep10-21swapper/100:31:501
276412420,0sleep10-21swapper/100:09:401
192172420,0sleep70-21swapper/721:57:077
192172420,0sleep70-21swapper/721:57:077
141422420,0sleep60-21swapper/600:20:426
104592420,0sleep10-21swapper/123:43:131
99512410,0sleep40-21swapper/423:06:164
300242410,1sleep530025-21grep22:27:565
2681624127,9sleep60-21swapper/619:06:186
2681224028,9sleep20-21swapper/219:06:142
2680124028,8sleep00-21swapper/019:06:040
2672624028,9sleep10-21swapper/119:05:011
260952400,0sleep20-21swapper/222:25:212
2452824028,8sleep30-21swapper/319:04:073
15732400,0sleep50-21swapper/523:24:115
27205993918,0cyclictest21006-21kworker/u16:422:21:037
2672923927,8sleep40-21swapper/419:05:044
2671223927,8sleep70-21swapper/719:04:517
2453023927,8sleep50-21swapper/519:04:095
56282380,0sleep70-21swapper/722:17:017
30432380,0sleep10-21swapper/100:03:311
279512380,0sleep50-21swapper/522:53:355
279512380,0sleep50-21swapper/522:53:355
245412380,0sleep30-21swapper/300:16:543
182332370,0sleep10-21swapper/123:27:351
27165993636,0cyclictest25561-21kworker/2:422:21:032
2714999360,35cyclictest30468-21kworker/0:022:21:030
113102360,2sleep02714999cyclictest21:47:070
112732360,1sleep22716599cyclictest00:15:572
2718299270,26cyclictest28246-21kworker/u16:122:21:034
132882260,1sleep213167-21sshd23:04:132
58412220,0sleep50-21swapper/522:07:465
27197992117,2cyclictest65-21ksoftirqd/600:01:056
61262200,0sleep00-21swapper/021:21:200
277552200,0sleep30-21swapper/321:39:093
27197992016,1cyclictest65-21ksoftirqd/623:22:086
2719799193,3cyclictest65-21ksoftirqd/622:50:126
2719799193,3cyclictest65-21ksoftirqd/622:50:126
233062190,1sleep723281-21sshd00:26:037
2719799185,1cyclictest65-21ksoftirqd/600:37:456
27197991815,3cyclictest65-21ksoftirqd/621:44:156
27197991815,2cyclictest492-21systemd-journal23:40:346
27197991815,1cyclictest65-21ksoftirqd/623:29:356
27197991814,1cyclictest65-21ksoftirqd/600:25:306
27171991815,2cyclictest20029-21systemd22:43:423
87192170,0sleep70-21swapper/723:06:117
301082170,0sleep30-21swapper/322:55:573
301082170,0sleep30-21swapper/322:55:573
2719799172,14cyclictest24892-21cp21:38:586
27197991715,1cyclictest65-21ksoftirqd/623:36:586
27197991715,1cyclictest65-21ksoftirqd/623:08:186
27197991715,1cyclictest65-21ksoftirqd/622:04:256
27197991715,1cyclictest65-21ksoftirqd/621:57:306
27197991715,1cyclictest65-21ksoftirqd/621:57:306
27197991712,4cyclictest65-21ksoftirqd/621:16:036
2719799170,16cyclictest6442-21kworker/6:221:09:526
177132170,1sleep717712-21systemd-cgroups00:23:237
79972160,0sleep70-21swapper/700:32:047
2720599161,0cyclictest0-21swapper/721:43:437
27197991615,1cyclictest65-21ksoftirqd/622:58:216
27197991615,1cyclictest65-21ksoftirqd/622:58:216
27197991615,1cyclictest65-21ksoftirqd/622:39:226
27197991615,1cyclictest65-21ksoftirqd/622:17:536
27197991615,1cyclictest65-21ksoftirqd/621:29:196
27197991615,1cyclictest65-21ksoftirqd/600:12:086
27197991614,1cyclictest65-21ksoftirqd/623:56:016
27197991614,1cyclictest65-21ksoftirqd/623:25:566
27197991614,1cyclictest65-21ksoftirqd/622:46:536
27197991614,1cyclictest65-21ksoftirqd/622:46:536
27197991614,1cyclictest65-21ksoftirqd/622:35:146
27197991614,1cyclictest65-21ksoftirqd/621:43:056
27197991614,1cyclictest65-21ksoftirqd/621:28:166
27197991614,1cyclictest65-21ksoftirqd/621:20:296
27197991614,1cyclictest492-21systemd-journal23:14:346
27197991613,3cyclictest65-21ksoftirqd/623:00:136
27197991613,2cyclictest65-21ksoftirqd/622:11:226
27197991612,1cyclictest65-21ksoftirqd/622:02:136
27197991612,1cyclictest65-21ksoftirqd/622:02:136
27197991612,1cyclictest65-21ksoftirqd/600:14:576
27197991611,3cyclictest65-21ksoftirqd/622:30:516
27171991615,1cyclictest41-21ksoftirqd/322:49:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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