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2026-11-15 - 05:27
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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 Nov 15, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165289910736553443,53800cyclictest1907-21snmpd20:03:090
165289910705453387,53543cyclictest2099-21runrttasks20:32:070
165289910695053378,53482cyclictest9-21ksoftirqd/000:11:310
165289910693653408,53436cyclictest325-21ssh23:32:490
165289910688253478,53404cyclictest5047-21kworker/u2:022:55:290
165289910678953455,53211cyclictest2099-21runrttasks21:54:410
165289910669953384,53218cyclictest1907-21snmpd22:21:190
165289910651253471,53041cyclictest0-21swapper23:38:510
165289910649753467,53030cyclictest0-21swapper00:30:260
165289910649653463,53033cyclictest0-21swapper23:23:170
165289910647053458,53012cyclictest0-21swapper19:45:240
165289910646053449,53011cyclictest0-21swapper21:16:200
165289910645553405,53050cyclictest0-21swapper22:15:070
165289910643753395,53042cyclictest0-21swapper23:08:320
165289910643653396,53040cyclictest0-21swapper00:37:080
165289910641953432,52987cyclictest0-21swapper21:40:370
165289910641453427,52898cyclictest9-21ksoftirqd/020:08:100
165289910639353415,52978cyclictest0-21swapper23:43:120
165289910633653408,52834cyclictest0-21swapper20:38:190
165289910629053448,52750cyclictest0-21swapper19:38:220
165289910625153383,52803cyclictest0-21swapper21:46:490
165289910624053452,52788cyclictest0-21swapper20:19:140
165289910621353473,52740cyclictest0-21swapper21:02:460
165289910620953438,52771cyclictest0-21swapper23:55:060
165289910620253463,52739cyclictest0-21swapper20:14:320
165289910617353449,52724cyclictest0-21swapper19:31:000
165289910614953442,52707cyclictest0-21swapper20:56:040
165289910613953432,52707cyclictest0-21swapper19:59:280
165289910603653365,52658cyclictest10-21rcuc/000:05:090
165289910502852911,52115cyclictest10-21rcuc/021:57:220
16528995389326,0cyclictest0-21swapper22:45:060
16528995370853434,184cyclictest29876-21kworker/u2:122:02:530
16528995367322,0cyclictest0-21swapper22:14:070
16528995365053472,178cyclictest0-21swapper00:24:140
16528995363253455,177cyclictest0-21swapper19:52:560
16528995347827,0cyclictest0-21swapper21:05:370
16528995333926,53313cyclictest0-21swapper21:20:510
16528995322822,53114cyclictest0-21swapper00:15:420
16528995316625,53141cyclictest0-21swapper23:14:040
165289951212669,2448cyclictest1741-21hald20:29:370
165289924071093,1187cyclictest8448-21ssh22:09:450
165289923681104,1136cyclictest0-21swapper00:26:450
165289922591050,1083cyclictest1907-21snmpd19:43:030
165289921661091,950cyclictest1851-21ssh21:11:290
165289921441094,926cyclictest2099-21runrttasks23:45:230
165289921251068,934cyclictest22769-21rm23:18:050
165289920881052,911cyclictest2099-21runrttasks22:26:500
165289919881034,861cyclictest0-21swapper21:29:540
165289918981033,773cyclictest0-21swapper22:51:270
165289918851053,740cyclictest5046-21kworker/0:222:31:220
165289918521058,673cyclictest0-21swapper20:48:520
165289918191029,790cyclictest0-21swapper20:42:200
165289917241003,684cyclictest19914-21diskmemload21:38:360
165289916801094,521cyclictest134850irq/9-eth022:38:140
165289916581067,493cyclictest21346-21ssh00:03:480
165289916461051,472cyclictest2099-21runrttasks23:54:260
165289916281009,619cyclictest0-21swapper20:52:530
165289916101096,450cyclictest3950irq/9-acpi23:25:570
165289915781032,455cyclictest9-21ksoftirqd/019:26:580
165289915771044,439cyclictest0-21swapper19:24:580
165289915741044,437cyclictest0-21swapper20:24:550
165289915561038,425cyclictest9-21ksoftirqd/021:34:550
165289914701098,372cyclictest0-21swapper23:03:410
165289914131069,344cyclictest0-21swapper22:44:450
1652899891542,347cyclictest23169-21hwlatdetect-tra19:10:340
1652899861527,331cyclictest21309-21hwlatdetect-tra19:16:350
3127022140,2sleep031271-21hwlatdetect-tra19:08:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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