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2025-12-23 - 06:01
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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, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Tue Dec 23, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1921099114136030,5379cyclictest25816-21kworker/0:019:31:320
1921099109405587,5343cyclictest12090-21kworker/0:023:48:040
1921099103825491,4876cyclictest18481-21kworker/0:120:42:310
192109998415242,4594cyclictest25816-21kworker/0:019:35:420
192109997735098,4664cyclictest2035-21kworker/0:122:19:330
192109997625090,4661cyclictest25816-21kworker/0:019:27:310
192109994794853,4615cyclictest5675-21kworker/0:121:22:570
192109991864720,4454cyclictest25816-21kworker/0:019:54:240
192109990804636,4429cyclictest1726-21kworker/0:021:14:490
192109990594662,4386cyclictest25816-21kworker/0:020:26:230
192109990064639,4362cyclictest18481-21kworker/0:120:49:390
192109988884583,4294cyclictest25816-21kworker/0:020:04:280
192109988544564,4279cyclictest26112-21kworker/0:223:09:440
192109987844530,4250cyclictest18481-21kworker/0:121:07:070
192109986914481,4206cyclictest12320-21kworker/0:121:38:470
192109986444556,4077cyclictest18481-21kworker/0:121:01:040
192109985694493,4046cyclictest15431-21kworker/0:021:48:490
192109985654274,4248cyclictest22869-21kworker/0:219:21:410
192109985404403,4126cyclictest25816-21kworker/0:019:44:400
192109985284249,4236cyclictest18481-21kworker/0:120:59:280
192109984154341,4063cyclictest9127-21kworker/0:021:30:350
192109983324354,3927cyclictest25816-21kworker/0:019:58:000
192109982714138,4109cyclictest21677-21kworker/0:221:59:510
192109980394202,3777cyclictest9127-21kworker/0:021:29:000
192109980004110,3867cyclictest22869-21kworker/0:219:14:250
192109979363949,3935cyclictest25816-21kworker/0:020:13:280
192109979184266,3637cyclictest29809-21kworker/0:023:29:410
192109978944218,3636cyclictest4903-21kworker/0:222:29:380
192109978874114,3758cyclictest16167-21kworker/0:122:50:000
192109976854047,3586cyclictest9260-21kworker/0:123:36:590
192109976664168,3487cyclictest25816-21kworker/0:020:09:350
192109975463980,3542cyclictest21677-21kworker/0:222:10:250
192109975363881,3632cyclictest21988-21kworker/0:000:24:380
192109975214050,3448cyclictest21988-21kworker/0:000:06:230
192109973523963,3338cyclictest10284-21kworker/0:022:36:560
192109973484075,3249cyclictest20060-21kworker/0:023:00:200
192109973313957,3323cyclictest25816-21kworker/0:020:24:470
192109972403811,3378cyclictest25816-21kworker/0:019:48:040
192109970263743,3272cyclictest21988-21kworker/0:000:14:490
192109969623688,3251cyclictest29809-21kworker/0:023:19:030
192109969383801,3126cyclictest18481-21kworker/0:120:32:380
192109965193431,3000cyclictest21988-21kworker/0:000:04:200
192109963963209,3173cyclictest10284-21kworker/0:022:40:100
192109963723518,2843cyclictest22869-21kworker/0:219:16:090
192109961333254,2827cyclictest25816-21kworker/0:020:18:560
192109961203347,2722cyclictest20060-21kworker/0:022:56:560
192109960223098,2872cyclictest17745-21kworker/0:223:55:450
192109957332961,2711cyclictest21677-21kworker/0:222:07:030
192109951682718,2439cyclictest18481-21kworker/0:120:38:080
192109947072543,2113cyclictest3281-21kworker/0:200:32:030
192109941684077,78cyclictest18481-21kworker/0:120:53:570
190872783183,203sleep00-21swapper19:09:280
192109953029,438cyclictest6943-21cat23:31:020
192109952234,426cyclictest161762chrt21:41:020
192109951933,424cyclictest4192-21lldpd23:43:120
192109951455,398cyclictest32330-21diskmemload23:50:570
192109950955,384cyclictest32330-21diskmemload22:22:030
192109950855,440cyclictest4559-21ssh21:17:480
192109950855,438cyclictest22150-21ssh21:53:110
192109950730,407cyclictest2631-21ssh00:30:050
192109947556,358cyclictest4894-21runrttasks22:02:380
192109946953,355cyclictest9024-21sed22:30:430
192109946431,417cyclictest293512chrt00:16:090
192109944263,366cyclictest20262-21ssh22:54:210
192109944234,392cyclictest30415-21idleruntime-cro23:15:010
192109942155,352cyclictest32330-21diskmemload23:20:280
192109926220,228cyclictest7175-21ssh00:36:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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