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2026-03-24 - 03:07
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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 50 highest latencies:
System rack6slot6 (updated Tue Mar 24, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87539910760353474,54008cyclictest20668-21ssh23:26:240
87539910713053441,53568cyclictest13350-21ssh00:02:340
87539910674953413,53245cyclictest0-21swapper20:36:250
87539910670653407,53299cyclictest0-21swapper22:21:450
87539910653553395,53073cyclictest0-21swapper20:21:310
87539910651253433,53079cyclictest0-21swapper22:12:530
87539910649053409,53081cyclictest0-21swapper21:47:050
87539910648853468,53020cyclictest0-21swapper20:58:410
87539910646653412,53054cyclictest0-21swapper21:16:260
87539910645153452,52999cyclictest0-21swapper22:34:090
87539910643153434,52997cyclictest0-21swapper23:13:200
87539910637853156,53218cyclictest0-21swapper20:54:000
87539910625453413,52750cyclictest0-21swapper22:41:010
87539910623453410,52824cyclictest0-21swapper20:45:580
87539910623453307,52912cyclictest22535-21sh21:56:180
87539910617953410,52769cyclictest0-21swapper19:26:550
87539910613453430,52704cyclictest0-21swapper19:44:500
87539910613253429,52703cyclictest0-21swapper20:13:480
87539910605752978,53077cyclictest0-21swapper22:53:450
87539910516653056,52104cyclictest0-21swapper00:25:210
87539910508152974,52105cyclictest0-21swapper00:24:210
87539910507452971,52101cyclictest0-21swapper20:30:530
8753995338827,53270cyclictest0-21swapper22:38:500
8753995333425,53216cyclictest0-21swapper23:00:060
8753995309324,53069cyclictest0-21swapper23:15:110
8753995308026,53054cyclictest0-21swapper21:07:440
8753995296524,52941cyclictest0-21swapper20:28:130
87539925791055,1088cyclictest0-21swapper00:11:370
87539925081088,1294cyclictest29072-21ssh23:39:180
87539923211024,1199cyclictest21711-21diskmemload21:51:160
87539923121050,1196cyclictest3950irq/9-acpi23:21:120
87539922201096,1031cyclictest3950irq/9-acpi22:59:160
87539921621062,1034cyclictest5165-21ssh21:31:310
87539921511039,1073cyclictest12633-21taskset22:29:270
87539920911096,898cyclictest2099-21runrttasks23:31:550
87539920841041,1023cyclictest0-21swapper21:40:530
87539920241098,835cyclictest8745-21cyclictest22:02:200
87539919971023,953cyclictest0-21swapper21:26:190
87539919911034,861cyclictest0-21swapper19:33:370
87539919771026,857cyclictest0-21swapper19:55:430
8753991970964,972cyclictest3950irq/9-acpi22:17:540
8753991966949,983cyclictest0-21swapper21:13:460
8753991965949,982cyclictest0-21swapper22:08:310
8753991925959,931cyclictest0-21swapper21:21:380
87539919211026,858cyclictest21711-21diskmemload23:06:180
87539918461040,715cyclictest0-21swapper19:36:080
87539918261081,648cyclictest1907-21snmpd19:52:220
87539918161080,641cyclictest134850irq/9-eth000:19:490
8753991760956,767cyclictest2099-21runrttasks20:00:450
87539917391067,581cyclictest0-21swapper00:06:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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