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2026-06-03 - 21:37
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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 50 highest latencies:
System rack3slot0.osadl.org (updated Wed Jun 03, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233742950,2sleep71461499cyclictest10:03:097
254232880,2sleep41459099cyclictest11:15:474
254232880,2sleep41459099cyclictest11:15:474
226472760,2sleep21457199cyclictest12:30:092
159752740,1sleep315971-21systemd-cgroups09:21:483
209702590,10sleep213550irq/24-ahci[00012:03:582
303852550,0sleep130374-21sshd11:12:231
315592530,0sleep40-21swapper/410:22:124
267432500,0sleep7711rcuc/709:53:567
7602490,0sleep30-21swapper/310:18:353
1412124924,8sleep40-21swapper/407:04:254
74102480,0sleep20-21swapper/210:43:092
206002480,2sleep71461499cyclictest11:19:107
156552480,1sleep215653-21grepconf.sh10:13:452
1413624825,8sleep10-21swapper/107:04:381
79772470,0sleep20-21swapper/210:58:062
173992470,1sleep117385-21sshd09:42:211
230602460,1sleep323046-21sshd11:26:513
1441424624,8sleep00-21swapper/007:08:220
1415924634,9sleep20-21swapper/207:04:552
139932460,0sleep50-21swapper/510:50:575
312122450,0sleep00-21swapper/010:31:290
60932440,0sleep20-21swapper/212:12:312
289342440,0sleep1241ktimersoftd/109:11:131
237592440,1sleep123744-21sshd12:32:081
244112430,0sleep00-21swapper/012:30:150
188812430,0sleep70-21swapper/712:13:167
148982430,0sleep00-21swapper/011:09:340
128662430,1sleep61-21systemd09:19:436
48232420,0sleep00-21swapper/010:28:090
267832420,0sleep50-21swapper/511:56:565
267832420,0sleep50-21swapper/511:56:565
1436124230,8sleep70-21swapper/707:07:417
90512410,0sleep60-21swapper/609:58:366
322082410,0sleep50-21swapper/509:50:345
303152410,0sleep40-21swapper/411:47:504
237082410,0sleep20-21swapper/211:32:342
203002410,0sleep00-21swapper/009:33:150
194602410,0sleep30-21swapper/311:45:173
191212410,0sleep10-21swapper/109:31:151
1419824129,8sleep50-21swapper/507:05:315
108612410,0sleep2311rcuc/210:50:462
70952400,0sleep50-21swapper/512:36:455
60872400,0sleep70-21swapper/711:40:487
117012400,0sleep50-21swapper/510:26:385
42742390,0sleep10-21swapper/109:47:091
1420523926,9sleep30-21swapper/307:05:373
1409623925,10sleep60-21swapper/607:04:036
190062380,0sleep20-21swapper/211:06:072
1459899232,6cyclictest31362-21sshd11:40:245
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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