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2026-09-06 - 01:05
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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
Characteristics of all highest latencies:
System rack6slot6 (updated Sat Sep 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84959910714253414,53636cyclictest0-21swapper08:12:550
84959910669853435,53198cyclictest0-21swapper07:16:090
84959910668053427,53162cyclictest0-21swapper07:54:090
84959910659953442,53092cyclictest134850irq/9-eth011:25:300
84959910655353392,53094cyclictest0-21swapper11:02:340
84959910650153425,53076cyclictest0-21swapper11:19:490
84959910649753472,53025cyclictest0-21swapper08:15:560
84959910649053467,53023cyclictest0-21swapper11:11:460
84959910647153413,53058cyclictest0-21swapper09:39:100
84959910646353455,53008cyclictest0-21swapper07:10:170
84959910645853449,53009cyclictest0-21swapper11:34:530
84959910644853402,53046cyclictest0-21swapper12:39:220
84959910644153438,53003cyclictest0-21swapper12:02:310
84959910642353431,52992cyclictest0-21swapper08:36:520
84959910639953417,52982cyclictest0-21swapper10:02:160
84959910631753461,52856cyclictest0-21swapper07:23:310
84959910629553467,52828cyclictest0-21swapper10:16:300
84959910627753455,52822cyclictest0-21swapper07:30:530
84959910626453424,52749cyclictest0-21swapper08:28:390
84959910623353490,52743cyclictest0-21swapper08:04:320
84959910618153456,52725cyclictest0-21swapper08:52:560
84959910617153451,52720cyclictest0-21swapper08:42:130
84959910616253403,52759cyclictest0-21swapper09:40:300
84959910614053393,52747cyclictest0-21swapper07:44:370
84959910612053425,52695cyclictest0-21swapper07:58:310
84959910603153381,52637cyclictest28994-21kworker/u2:209:14:530
84959910577753337,52437cyclictest0-21swapper11:38:340
84959910498352926,52052cyclictest0-21swapper12:11:040
8495995387253408,464cyclictest0-21swapper10:35:460
8495995382853391,437cyclictest0-21swapper10:22:520
8495995358824,53470cyclictest0-21swapper11:40:050
8495995356453388,176cyclictest0-21swapper09:06:500
8495995353227,53412cyclictest0-21swapper12:33:400
8495995329427,53200cyclictest0-21swapper09:50:030
8495995327727,0cyclictest5350irq/9-uhci_hcd:10:57:120
8495995325032,408cyclictest0-21swapper10:43:580
8495995307226,53046cyclictest0-21swapper09:34:380
8495995307026,52952cyclictest0-21swapper10:26:530
8495995278727,52760cyclictest0-21swapper07:37:450
8495995277627,52749cyclictest0-21swapper09:01:190
84959923531086,1139cyclictest1907-21snmpd09:59:360
84959923191086,1233cyclictest9246-21ssh11:08:350
84959923151106,1161cyclictest1907-21snmpd08:21:370
84959922401034,1083cyclictest1907-21snmpd10:50:300
84959921961070,1034cyclictest3950irq/9-acpi11:56:490
84959921291077,927cyclictest25732-21diskmemload09:24:250
84959921161085,939cyclictest134850irq/9-eth012:17:450
84959920841022,1027cyclictest5350irq/9-uhci_hcd:10:09:080
84959920801105,910cyclictest3950irq/9-acpi11:48:070
8495992027987,1006cyclictest0-21swapper08:48:350
84959920221009,888cyclictest25732-21diskmemload11:20:590
84959919971038,866cyclictest0-21swapper08:07:430
84959919651093,746cyclictest6012-21ssh11:50:380
84959919251032,771cyclictest0-21swapper10:46:190
84959919161043,780cyclictest0-21swapper07:45:070
84959918991038,768cyclictest0-21swapper12:20:060
84959918771067,717cyclictest6048-21kworker/0:209:29:370
8495991829945,847cyclictest30936-21ssh09:16:330
84959918191011,712cyclictest0-21swapper12:08:430
84959917201084,636cyclictest0-21swapper10:14:200
8495991713891,797cyclictest18068-21ssh09:45:210
84959916491075,484cyclictest8493-21cyclictest08:33:010
84959915051014,426cyclictest0-21swapper08:59:480
84959915021010,425cyclictest0-21swapper07:26:420
84959914271039,388cyclictest0-21swapper12:29:390
84959914001063,337cyclictest0-21swapper10:31:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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