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2026-06-20 - 23:05
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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 Jun 20, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147609912023,58cyclictest28060-21sshd12:15:211
14767999087,1cyclictest1844-21nfsd12:15:212
157982810,0sleep10-21swapper/111:38:191
1477699800,79cyclictest16630-21kworker/3:412:15:213
1480299794,20cyclictest28147-21systemd12:15:216
286192720,0sleep30-21swapper/309:35:273
301662690,0sleep70-21swapper/709:46:527
15112610,1sleep5709-21systemd-logind09:10:545
279962520,2sleep01475399cyclictest11:33:220
58522500,0sleep30-21swapper/310:33:103
225772500,0sleep50-21swapper/511:16:055
323972480,0sleep332396-21sshd12:29:073
27012480,0sleep30-21swapper/312:08:093
109462480,1sleep510948-21bash11:45:445
38052470,1sleep53801-21systemd12:04:265
140332470,1sleep61844-21nfsd10:48:506
140332470,1sleep61844-21nfsd10:48:506
75552460,0sleep50-21swapper/511:32:145
301952460,0sleep330196-21sshd09:20:133
296642460,1sleep329669-21grep12:27:073
265672460,0sleep70-21swapper/709:10:247
234042460,0sleep40-21swapper/409:17:584
152172460,0sleep20-21swapper/210:41:262
49142450,0sleep70-21swapper/709:28:107
304712450,1sleep11-21systemd11:31:381
217752450,0sleep7721ktimersoftd/710:17:047
14786994543,1cyclictest1-21systemd12:15:214
13212450,0sleep10-21swapper/112:06:141
1441924432,9sleep40-21swapper/407:05:074
48742430,2sleep01475399cyclictest12:27:360
298252430,0sleep40-21swapper/410:51:454
298252430,0sleep40-21swapper/410:51:454
280622430,0sleep40-21swapper/412:09:384
205552430,0sleep70-21swapper/709:21:377
197322430,0sleep70-21swapper/711:06:217
153932430,0sleep00-21swapper/008:58:080
302552420,1sleep41-21systemd10:13:404
24832420,1sleep1721-21dbus-daemon09:10:581
182962420,1sleep10-21swapper/108:08:041
1431024229,9sleep30-21swapper/307:03:373
120782420,1sleep512076-21bash10:33:365
90232410,6sleep11476099cyclictest09:43:341
38832410,0sleep10-21swapper/109:58:481
299632410,0sleep60-21swapper/611:56:186
139882410,0sleep70-21swapper/711:30:407
266272400,0sleep40-21swapper/411:58:004
196322400,0sleep60-21swapper/611:12:056
164222400,0sleep60-21swapper/612:07:076
1445824027,9sleep70-21swapper/707:05:427
1429924028,9sleep10-21swapper/107:03:271
111592400,0sleep50-21swapper/511:59:065
83642390,0sleep70-21swapper/711:18:557
1480899390,38cyclictest23157-21kworker/u16:012:15:227
1443323927,8sleep00-21swapper/007:05:190
1430923926,9sleep20-21swapper/207:03:362
1430323928,8sleep50-21swapper/507:03:315
1214123927,8sleep60-21swapper/607:02:526
14794993838,0cyclictest30927-21kworker/5:212:15:215
81052370,0sleep30-21swapper/311:53:033
293352370,1sleep557-21ksoftirqd/512:23:085
284042370,0sleep60-21swapper/612:32:546
284042370,0sleep60-21swapper/612:32:546
24062370,2sleep31477699cyclictest11:52:473
208982360,0sleep40-21swapper/411:00:344
269822340,2sleep01475399cyclictest09:27:390
125892340,1sleep312588-21sshd09:55:293
77832330,0sleep20-21swapper/209:09:072
14753993214,16cyclictest0-21swapper/012:15:210
183752220,0sleep00-21swapper/010:20:410
1477699227,2cyclictest41-21ksoftirqd/312:33:503
1477699227,2cyclictest41-21ksoftirqd/312:33:503
1476099223,2cyclictest23732-21systemd09:42:401
14794992115,3cyclictest57-21ksoftirqd/511:08:065
14776992116,4cyclictest41-21ksoftirqd/309:48:453
1479499201,9cyclictest28481-21sshd12:11:375
1477699197,2cyclictest41-21ksoftirqd/311:28:503
1477699194,2cyclictest41-21ksoftirqd/311:33:063
14776991915,1cyclictest41-21ksoftirqd/310:47:373
1476099194,6cyclictest18026-21grepconf.sh12:30:131
1476099192,2cyclictest22635-21bash11:21:401
78682180,0sleep50-21swapper/511:54:575
238352180,0sleep5551rcuc/509:17:595
1477699184,3cyclictest41-21ksoftirqd/310:11:033
14776991817,1cyclictest41-21ksoftirqd/310:23:053
14776991816,1cyclictest41-21ksoftirqd/311:42:103
14776991816,1cyclictest41-21ksoftirqd/309:43:443
14776991813,3cyclictest41-21ksoftirqd/311:09:043
92752170,1sleep21-21systemd09:49:282
71212170,0sleep1464-21systemd-journal12:21:521
14794991711,1cyclictest25310-21sshd09:48:275
1477699176,1cyclictest41-21ksoftirqd/312:04:413
1477699173,2cyclictest41-21ksoftirqd/311:26:463
1477699172,3cyclictest41-21ksoftirqd/311:00:323
14776991716,1cyclictest41-21ksoftirqd/310:39:263
14776991715,1cyclictest41-21ksoftirqd/312:18:433
14776991715,1cyclictest41-21ksoftirqd/311:47:023
14776991715,1cyclictest41-21ksoftirqd/311:13:073
14776991715,1cyclictest41-21ksoftirqd/311:06:303
14776991715,1cyclictest41-21ksoftirqd/310:13:523
14776991715,1cyclictest41-21ksoftirqd/309:57:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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