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2026-09-06 - 07:38
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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 100 highest latencies:
System rack6slot5.osadl.org (updated Sun Sep 06, 2026 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3236499100105113,4847cyclictest12962-21kworker/0:120:01:380
323649996615166,4484cyclictest26300-21kworker/0:020:24:500
323649994644890,4571cyclictest12962-21kworker/0:119:29:170
323649990264510,4494cyclictest12962-21kworker/0:119:22:360
323649989844512,4430cyclictest12962-21kworker/0:119:33:500
323649989304614,4306cyclictest12962-21kworker/0:119:44:060
323649988504459,4368cyclictest26300-21kworker/0:020:52:570
323649985854442,4133cyclictest12962-21kworker/0:119:19:350
323649981054253,3802cyclictest18880-21kworker/0:122:31:320
323649980964375,3708cyclictest26300-21kworker/0:021:19:430
323649980504050,3986cyclictest12962-21kworker/0:119:14:080
323649979564301,3631cyclictest26300-21kworker/0:020:38:160
323649976264137,3475cyclictest4401-21kworker/0:222:03:210
323649975224068,3403cyclictest25172-21kworker/0:122:48:450
323649975173895,3608cyclictest31030-21kworker/0:221:50:440
323649971963801,3345cyclictest4401-21kworker/0:222:18:010
323649971703607,3521cyclictest26300-21kworker/0:020:48:530
323649970123506,3464cyclictest24381-21kworker/0:120:12:240
323649969713502,3455cyclictest15209-21kworker/0:023:47:260
323649966923596,3086cyclictest26300-21kworker/0:021:05:070
323649965803493,3044cyclictest26300-21kworker/0:020:34:190
323649965723595,2927cyclictest31030-21kworker/0:221:48:460
323649965033547,2905cyclictest12962-21kworker/0:119:51:310
323649963783385,2978cyclictest26300-21kworker/0:021:03:320
323649961073281,2784cyclictest3928-21kworker/0:223:08:310
323649960833162,2870cyclictest8815-21kworker/0:200:38:220
323649959393078,2811cyclictest26300-21kworker/0:021:32:360
323649959163098,2804cyclictest25172-21kworker/0:122:50:370
323649947232400,2309cyclictest12962-21kworker/0:119:36:200
323649925832526,44cyclictest3928-21kworker/0:223:10:290
320792776185,203sleep00-21swapper19:08:160
323649966854,372cyclictest19961-21ssh21:24:110
323649948934,441cyclictest4224-21lldpd21:13:450
323649948733,440cyclictest22693-21ssh22:38:150
323649946422,382cyclictest7442-21latency_hist00:30:020
323649946232,370cyclictest3917-21runrttasks21:59:290
323649946164,88cyclictest32592-21df23:00:270
323649945623,372cyclictest13905-21gltestperf23:30:290
323649945075,352cyclictest4924-21runrttasks23:51:270
32364994502,434cyclictest0-21swapper22:42:350
32364994492,434cyclictest0-21swapper21:42:510
32364994492,434cyclictest0-21swapper20:56:540
32364994433,426cyclictest344450irq/10-eth021:35:290
32364994362,374cyclictest12995-21diskmemload00:16:570
32364994342,373cyclictest0-21swapper20:44:200
32364994342,372cyclictest0-21swapper23:29:060
32364994342,372cyclictest0-21swapper20:26:400
323649943153,213cyclictest0-21swapper23:19:580
323649942053,86cyclictest8853-21ssh22:09:170
323649941936,372cyclictest12-21rcu_preempt22:28:170
323649941858,347cyclictest28031-21kworker/u2:000:07:020
323649941537,87cyclictest4305-21snmpd23:20:280
323649941351,303cyclictest32703-21ssh00:12:260
323649941048,303cyclictest0-21swapper19:49:060
323649940535,356cyclictest7368-1kworker/0:1H23:40:530
323649940129,358cyclictest17509-21ssh23:38:050
323649940018,368cyclictest21510-21cstates21:26:340
323649939329,364cyclictest0-21swapper20:07:390
323649939237,297cyclictest0-21swapper22:21:120
323649939231,361cyclictest0-21swapper22:57:330
323649939036,293cyclictest3867-21runrttasks00:20:510
323649939023,354cyclictest25132-21gltestperf20:15:210
323649937832,285cyclictest344450irq/10-eth019:59:090
323649937738,279cyclictest28622-21ssh00:03:510
323649937431,343cyclictest344450irq/10-eth023:59:480
323649937421,340cyclictest11-21ksoftirqd/022:13:140
323649936335,152cyclictest9221-21ssh00:33:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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