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2026-06-08 - 22:46
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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 Mon Jun 08, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52082220155,22sleep00-21swapper/007:05:440
55242204164,26sleep30-21swapper/307:09:533
55082201162,26sleep20-21swapper/207:09:402
34282201161,27sleep10-21swapper/107:05:071
220192690,1sleep222022-21fschecks_count08:50:152
259462620,2sleep335-21ksoftirqd/311:10:533
305222520,0sleep30-21swapper/309:50:153
199912240,0sleep20-21swapper/209:36:212
22252170,0sleep00-21swapper/011:24:490
562899140,13cyclictest0-21swapper/210:10:142
562399130,12cyclictest0-21swapper/110:10:101
561899133,5cyclictest10799-21perf12:20:000
561899130,2cyclictest0-21swapper/009:15:050
561899130,1cyclictest30692-21diskmemload11:59:220
561899130,1cyclictest2782-21if_err_eno110:40:140
561899130,1cyclictest16259-21grep07:30:130
561899130,1cyclictest11341-21aten2.4-expect07:20:120
561899121,10cyclictest30692-21diskmemload10:35:030
561899121,1cyclictest30692-21diskmemload10:30:180
561899120,2cyclictest30692-21diskmemload09:12:150
561899120,11cyclictest0-21swapper/009:45:100
561899120,1cyclictest19213-21gunzip09:35:200
561899120,0cyclictest0-21swapper/008:25:110
563599119,1cyclictest35-21ksoftirqd/308:00:013
5635991110,1cyclictest35-21ksoftirqd/308:09:593
5635991110,0cyclictest35-21ksoftirqd/311:45:003
5628991110,1cyclictest28-21ksoftirqd/210:30:012
5628991110,1cyclictest28-21ksoftirqd/210:30:002
5628991110,1cyclictest0-21swapper/209:16:062
5628991110,1cyclictest0-21swapper/208:25:202
562899110,10cyclictest16667-21sh12:25:452
561899119,1cyclictest9-21ksoftirqd/008:10:000
561899113,0cyclictest30692-21diskmemload09:24:440
561899112,8cyclictest30692-21diskmemload12:05:320
561899112,0cyclictest30692-21diskmemload10:23:520
561899111,9cyclictest25155-21awk07:50:000
561899111,2cyclictest30692-21diskmemload10:10:280
561899111,1cyclictest30692-21diskmemload11:09:190
561899111,0cyclictest6894-21apt-get08:20:010
561899111,0cyclictest30692-21diskmemload09:56:020
561899110,2cyclictest0-21swapper/011:31:080
561899110,1cyclictest9812-21latency07:15:160
561899110,1cyclictest6917-21/usr/sbin/munin10:45:190
561899110,1cyclictest30692-21diskmemload09:31:520
561899110,1cyclictest28132-21cstates07:55:140
561899110,1cyclictest0-21swapper/011:54:580
561899110,0cyclictest30692-21diskmemload09:53:030
561899110,0cyclictest0-21swapper/011:25:580
561899110,0cyclictest0-21swapper/011:16:590
561899110,0cyclictest0-21swapper/010:00:460
563599109,1cyclictest35-21ksoftirqd/312:14:593
563599108,1cyclictest35-21ksoftirqd/312:35:123
562899109,1cyclictest28-21ksoftirqd/210:59:592
562899101,7cyclictest0-21swapper/211:10:142
561899104,5cyclictest18999-21grep07:35:150
561899103,7cyclictest9-21ksoftirqd/009:00:090
561899103,6cyclictest7104-21cat12:15:000
561899103,6cyclictest30692-21diskmemload10:27:000
561899103,6cyclictest30692-21diskmemload10:27:000
561899102,0cyclictest30692-21diskmemload09:42:300
561899101,8cyclictest0-21swapper/012:35:100
561899101,6cyclictest0-21swapper/011:46:100
561899101,0cyclictest30692-21diskmemload12:22:460
561899100,10cyclictest0-21swapper/009:28:550
561899100,1cyclictest0-21swapper/012:04:340
561899100,1cyclictest0-21swapper/010:54:080
561899100,0cyclictest0-21swapper/012:32:560
561899100,0cyclictest0-21swapper/011:42:210
561899100,0cyclictest0-21swapper/011:12:180
56359999,0cyclictest35-21ksoftirqd/309:25:003
56359998,1cyclictest35-21ksoftirqd/312:35:003
56359998,1cyclictest35-21ksoftirqd/309:05:003
56359997,1cyclictest35-21ksoftirqd/307:15:003
56359992,5cyclictest15858-21apt-get10:15:113
56289998,1cyclictest8062-21sh10:47:262
56289997,1cyclictest28-21ksoftirqd/210:40:012
56289994,4cyclictest0-21swapper/209:10:142
56189991,0cyclictest30692-21diskmemload10:57:300
56189990,5cyclictest0-21swapper/008:00:110
56189990,2cyclictest0-21swapper/010:05:140
56189990,1cyclictest240-21systemd-journal08:40:010
56189990,1cyclictest240-21systemd-journal07:55:010
56189990,1cyclictest240-21systemd-journal07:14:590
56189990,0cyclictest30692-21diskmemload12:25:450
6203280,1sleep20-21swapper/212:13:062
56359987,1cyclictest35-21ksoftirqd/311:50:003
56359987,1cyclictest35-21ksoftirqd/311:25:013
56359987,1cyclictest21005-21sensors10:20:183
56359987,0cyclictest35-21ksoftirqd/310:55:003
56359986,1cyclictest35-21ksoftirqd/311:00:003
56359986,1cyclictest35-21ksoftirqd/309:00:003
56359986,1cyclictest1029-21snmpd09:36:533
56359986,1cyclictest1029-21snmpd09:09:313
56359986,1cyclictest1029-21snmpd08:27:433
56359986,1cyclictest1029-21snmpd07:39:273
56359980,5cyclictest16782-21apt-get08:40:123
56289988,0cyclictest0-21swapper/208:35:202
56289986,1cyclictest61650irq/122-eno107:40:112
56289986,1cyclictest1029-21snmpd12:37:232
56289986,1cyclictest1029-21snmpd09:25:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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