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2025-12-01 - 09:43
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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 100 highest latencies:
System rack6slot6 (updated Mon Dec 01, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176199910701353412,53536cyclictest377-1kworker/u3:100:16:550
176199910676853411,53265cyclictest0-21swapper22:09:180
176199910675053473,53214cyclictest17618-21cyclictest23:00:530
176199910668753429,53195cyclictest133750irq/9-eth022:31:240
176199910663253484,53148cyclictest0-21swapper20:38:320
176199910663153388,53151cyclictest0-21swapper23:35:130
176199910661153419,53129cyclictest9-21ksoftirqd/022:25:230
176199910660753390,53125cyclictest0-21swapper19:41:350
176199910654553404,53141cyclictest0-21swapper20:54:060
176199910653953440,53099cyclictest0-21swapper19:54:590
176199910653953384,53091cyclictest0-21swapper21:38:390
176199910653353396,53137cyclictest0-21swapper23:57:090
176199910651453476,53038cyclictest0-21swapper23:30:310
176199910648553461,53024cyclictest0-21swapper21:34:080
176199910647953459,53020cyclictest0-21swapper21:20:540
176199910646953456,53013cyclictest0-21swapper23:23:490
176199910645153404,53047cyclictest0-21swapper19:49:380
176199910641553427,52988cyclictest0-21swapper00:06:520
176199910641353426,52987cyclictest0-21swapper22:10:180
176199910639553465,52930cyclictest0-21swapper00:38:010
176199910633753421,52825cyclictest0-21swapper20:57:070
176199910622353474,52749cyclictest0-21swapper20:49:250
176199910621353438,52775cyclictest0-21swapper21:51:430
176199910620853467,52741cyclictest0-21swapper22:17:500
176199910620653469,52737cyclictest0-21swapper19:16:480
176199910616853402,52766cyclictest0-21swapper20:29:590
176199910615753442,52715cyclictest0-21swapper19:26:410
176199910615753398,52759cyclictest0-21swapper20:33:400
176199910613153430,52701cyclictest0-21swapper23:25:100
176199910611853426,52692cyclictest0-21swapper20:01:210
176199910507952982,52092cyclictest0-21swapper22:39:370
17619995405353395,535cyclictest2345-21diskmemload00:24:270
17619995384953411,438cyclictest0-21swapper23:50:370
17619995383028,53675cyclictest26479-21ssh21:42:200
17619995370021,53585cyclictest0-21swapper22:48:190
17619995362453472,152cyclictest0-21swapper19:14:480
17619995362053469,151cyclictest0-21swapper19:56:500
17619995360453452,152cyclictest0-21swapper20:42:030
17619995358653434,152cyclictest0-21swapper20:11:540
17619995354323,53520cyclictest0-21swapper00:04:210
17619995324621,53132cyclictest0-21swapper20:08:330
17619995310826,52990cyclictest0-21swapper20:15:050
17619995310727,53080cyclictest0-21swapper23:19:380
17619995304025,52922cyclictest0-21swapper00:32:490
17619995278623,52763cyclictest0-21swapper21:02:290
176199954012777,2612cyclictest1744-21hald23:41:350
176199921371089,920cyclictest12454-21sh22:52:500
176199921031020,993cyclictest3950irq/9-acpi22:04:370
176199920451059,886cyclictest23680-21ssh23:08:450
176199920221064,863cyclictest3950irq/9-acpi23:45:360
176199920181034,862cyclictest0-21swapper20:23:480
176199920111028,861cyclictest0-21swapper21:05:400
176199920101031,858cyclictest0-21swapper19:37:240
176199920061029,854cyclictest0-21swapper19:22:500
176199919881031,864cyclictest0-21swapper00:14:540
176199919501071,785cyclictest0-21swapper00:27:180
176199919341064,775cyclictest0-21swapper21:10:410
176199919311062,777cyclictest0-21swapper22:41:270
17619991922941,967cyclictest0-21swapper22:23:020
176199917051078,627cyclictest0-21swapper21:16:530
176199916791073,606cyclictest0-21swapper19:34:130
17619991555946,584cyclictest30693-21ssh21:48:320
176199915211031,427cyclictest9-21ksoftirqd/021:57:140
17619991486675,800cyclictest0-21swapper22:59:420
176199914591030,364cyclictest0-21swapper23:13:260
176199914441085,359cyclictest0-21swapper21:29:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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