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2026-05-31 - 03:38
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Sun May 31, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69369910713153458,53576cyclictest7371-21ssh23:11:000
69369910691653422,53494cyclictest0-21swapper22:16:440
69369910682953394,53372cyclictest3950irq/9-acpi23:17:020
69369910680653439,53244cyclictest10344-21ssh21:42:040
69369910677053384,53323cyclictest3950irq/9-acpi21:15:470
69369910672653474,53162cyclictest9-21ksoftirqd/020:11:080
69369910664653428,53218cyclictest0-21swapper21:47:060
69369910658453464,53120cyclictest0-21swapper00:10:370
69369910652753428,53099cyclictest0-21swapper22:40:410
69369910651553474,53041cyclictest0-21swapper23:02:380
69369910649453468,53026cyclictest0-21swapper22:06:510
69369910648753471,53016cyclictest0-21swapper23:06:290
69369910647353445,53028cyclictest0-21swapper22:32:190
69369910646953457,53012cyclictest0-21swapper19:40:190
69369910645453447,53007cyclictest0-21swapper21:57:490
69369910645053434,53016cyclictest0-21swapper22:57:260
69369910643253438,52994cyclictest0-21swapper19:39:490
69369910640853394,52951cyclictest134850irq/9-eth023:24:240
69369910626353390,52807cyclictest0-21swapper20:22:310
69369910621653474,52742cyclictest0-21swapper21:24:190
69369910621453474,52740cyclictest0-21swapper23:41:590
69369910620253472,52730cyclictest0-21swapper19:28:460
69369910619753419,52778cyclictest0-21swapper21:07:340
69369910616953448,52721cyclictest0-21swapper00:15:490
69369910613553058,53075cyclictest0-21swapper22:13:330
69369910526053059,52198cyclictest7612-21ssh23:59:140
69369910516353055,52103cyclictest0-21swapper00:38:250
69369910515253051,52099cyclictest0-21swapper22:20:450
69369910506852968,52098cyclictest0-21swapper00:06:260
6936995390929,53781cyclictest9641-21ssh22:28:080
6936995337426,53348cyclictest0-21swapper21:51:170
6936995332426,53232cyclictest0-21swapper21:26:400
6936995324124,53125cyclictest0-21swapper23:33:060
6936995309126,53065cyclictest0-21swapper19:57:540
69369924421094,1255cyclictest3950irq/9-acpi20:50:190
69369924211087,1334cyclictest0-21swapper20:59:420
69369922121047,1041cyclictest23557-21ssh00:21:400
69369921541021,1083cyclictest24577-21sh23:35:470
69369921441032,1074cyclictest18098-21sh23:26:440
69369921291073,963cyclictest9-21ksoftirqd/000:34:140
6936992016985,995cyclictest14161-21ssh22:35:100
69369920031028,854cyclictest0-21swapper20:43:070
69369919901031,865cyclictest0-21swapper19:30:060
69369919781045,837cyclictest0-21swapper20:05:570
69369919771025,858cyclictest0-21swapper22:47:530
69369919761025,858cyclictest0-21swapper19:45:510
6936991971968,965cyclictest11036-21sh00:04:150
69369919521021,807cyclictest27952-21ssh00:28:420
69369919361040,801cyclictest19450irq/14-ata_piix21:13:060
69369919291033,773cyclictest0-21swapper20:16:300
69369919201027,799cyclictest0-21swapper20:26:430
69369918751093,657cyclictest2099-21runrttasks19:50:420
6936991868935,915cyclictest1907-21snmpd20:46:280
69369918431035,713cyclictest0-21swapper22:53:350
6936991787909,865cyclictest134850irq/9-eth022:01:400
69369917771065,620cyclictest3950irq/9-acpi21:37:030
69369917631097,666cyclictest0-21swapper23:47:100
69369917441032,620cyclictest3950irq/9-acpi21:31:210
6936991730990,703cyclictest2658-21sh23:51:010
69369917271065,538cyclictest2272-21munin-node19:17:330
69369917061012,602cyclictest4759-21kworker/0:320:34:350
69369916811086,529cyclictest6929-21cyclictest19:23:440
69369916081091,450cyclictest0-21swapper21:00:420
69369914881096,392cyclictest0-21swapper20:39:360
6936991451689,758cyclictest0-21swapper20:00:050
6936991076567,506cyclictest11043-21grep19:10:210
593222160,2sleep05933-21hwlatdetect-tra19:09:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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