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2026-07-13 - 07:54
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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 Mon Jul 13, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
319639916928,124cyclictest17362-21grepconf.sh23:42:106
319639916928,124cyclictest17362-21grepconf.sh23:42:106
761721160,0sleep50-21swapper/523:54:325
204322560,0sleep00-21swapper/021:46:440
63252540,1sleep56327-21bash22:09:405
166572530,1sleep116639-21sshd21:26:271
3028025236,11sleep00-21swapper/019:02:130
253002520,1sleep725296-21systemd22:08:547
31946995030,20cyclictest4005-21kworker/u16:323:42:113
31946995030,20cyclictest4005-21kworker/u16:323:42:113
77022490,1sleep27568-21sshd22:46:372
217282490,0sleep621729-21systemd-cgroups21:55:556
124312490,1sleep712432-21sshd22:41:227
265822480,0sleep20-21swapper/221:10:342
247062480,0sleep40-21swapper/423:11:224
85062470,0sleep20-21swapper/223:10:242
240982470,1sleep11-21systemd00:28:321
40162460,0sleep00-21swapper/022:13:110
39892460,0sleep30-21swapper/322:20:433
223982460,0sleep5551rcuc/522:05:085
120162460,1sleep41-21systemd00:09:294
320282450,0sleep61-21systemd23:59:386
75992440,0sleep00-21swapper/023:17:430
53722440,0sleep70-21swapper/723:34:087
45532440,0sleep30-21swapper/321:40:153
318072440,1sleep11844-21nfsd00:10:381
313262440,0sleep30-21swapper/322:25:563
31928994321,22cyclictest0-21swapper/023:42:110
31928994321,22cyclictest0-21swapper/023:42:110
130662430,1sleep3391rcuc/322:15:393
316112420,2sleep43195199cyclictest21:23:344
312712420,0sleep50-21swapper/521:18:065
267662420,1sleep126738-21sshd23:33:301
167972420,0sleep50-21swapper/521:07:415
157892420,0sleep20-21swapper/222:37:482
50442410,0sleep25046-21systemd-cgroups00:05:272
3174524122,15sleep60-21swapper/619:06:126
315242410,0sleep50-21swapper/500:36:215
307612410,0sleep20-21swapper/221:12:342
28992410,0sleep10-21swapper/121:08:571
175002410,0sleep20-21swapper/221:28:122
3171824029,8sleep10-21swapper/119:05:511
3160124027,9sleep50-21swapper/519:04:115
3151924027,9sleep40-21swapper/419:03:054
309072400,1sleep730905-21sshd21:08:397
168552400,0sleep20-21swapper/222:10:172
123532400,0sleep30-21swapper/300:05:523
31941993938,1cyclictest27011-21kworker/2:523:42:102
31941993938,1cyclictest27011-21kworker/2:523:42:102
3173323927,8sleep70-21swapper/719:06:057
3153123928,8sleep30-21swapper/319:03:123
256092390,0sleep10-21swapper/121:14:101
188012390,0sleep60-21swapper/623:09:086
2932223825,9sleep20-21swapper/219:01:592
3197199297,21cyclictest0-21swapper/723:42:107
3197199297,21cyclictest0-21swapper/723:42:107
121642270,0sleep10-21swapper/121:31:401
31951992422,1cyclictest4005-21kworker/u16:323:42:114
31951992422,1cyclictest4005-21kworker/u16:323:42:114
3196399215,1cyclictest65-21ksoftirqd/621:50:206
31928992114,4cyclictest9-21ksoftirqd/021:23:540
31963992013,5cyclictest65-21ksoftirqd/622:16:476
31951992017,2cyclictest49-21ksoftirqd/422:07:084
3193499200,20cyclictest13401-21kworker/1:023:42:101
3193499200,20cyclictest13401-21kworker/1:023:42:101
31928992015,4cyclictest9-21ksoftirqd/022:42:100
157292200,0sleep10-21swapper/121:57:191
3192899190,4cyclictest857-21polkitd23:51:220
87982180,1sleep48800-21grepconf.sh22:59:294
86462180,1sleep28593-21sshd23:32:272
31963991817,1cyclictest65-21ksoftirqd/621:45:556
31963991814,1cyclictest65-21ksoftirqd/623:34:116
31963991814,1cyclictest65-21ksoftirqd/621:57:466
31963991814,1cyclictest464-21systemd-journal22:54:066
31963991813,4cyclictest464-21systemd-journal00:03:086
3196399181,1cyclictest65-21ksoftirqd/622:08:576
3196399180,3cyclictest65-21ksoftirqd/622:43:146
31928991816,1cyclictest9-21ksoftirqd/023:12:190
31928991815,3cyclictest9-21ksoftirqd/021:16:500
31928991815,1cyclictest9-21ksoftirqd/021:09:220
31928991814,3cyclictest9-21ksoftirqd/000:36:370
31928991813,3cyclictest9-21ksoftirqd/021:57:450
31928991811,4cyclictest9-21ksoftirqd/022:20:590
3192899181,2cyclictest9-21ksoftirqd/022:39:010
3192899180,17cyclictest9651-21kworker/0:400:28:370
70252170,0sleep50-21swapper/523:14:045
3196399175,3cyclictest65-21ksoftirqd/622:50:476
3196399175,3cyclictest65-21ksoftirqd/622:50:476
3196399175,1cyclictest65-21ksoftirqd/622:19:036
3196399173,1cyclictest65-21ksoftirqd/600:36:226
31963991716,1cyclictest65-21ksoftirqd/622:30:346
31963991715,1cyclictest65-21ksoftirqd/623:53:006
31963991715,1cyclictest65-21ksoftirqd/623:41:316
31963991715,1cyclictest65-21ksoftirqd/622:02:506
31963991715,1cyclictest65-21ksoftirqd/621:30:426
31963991715,1cyclictest65-21ksoftirqd/600:14:526
31963991715,1cyclictest65-21ksoftirqd/600:08:096
31963991714,1cyclictest65-21ksoftirqd/623:24:256
31963991713,1cyclictest65-21ksoftirqd/623:02:556
31963991713,1cyclictest65-21ksoftirqd/621:25:216
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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