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2026-04-25 - 13:20
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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 Sat Apr 25, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283049997305149,4569cyclictest32374-21kworker/0:020:43:270
283049990574749,4306cyclictest27795-21kworker/0:119:12:400
283049989404733,4193cyclictest32374-21kworker/0:020:31:250
283049985284223,4254cyclictest32374-21kworker/0:019:24:390
283049984814342,4128cyclictest32374-21kworker/0:020:53:520
283049981314460,3641cyclictest32374-21kworker/0:021:06:470
283049980704319,3728cyclictest32374-21kworker/0:019:58:490
283049979404267,3658cyclictest32374-21kworker/0:019:38:040
283049976093761,3797cyclictest32374-21kworker/0:019:34:050
283049974123773,3588cyclictest32374-21kworker/0:020:18:240
283049971943573,3607cyclictest32374-21kworker/0:021:02:540
283049969043756,3143cyclictest32374-21kworker/0:019:26:150
283049968843744,3129cyclictest27795-21kworker/0:119:16:080
283049964623412,3013cyclictest32374-21kworker/0:020:20:250
279552781182,177sleep00-21swapper19:07:440
283049949936,450cyclictest31870-21grep22:01:210
283049948935,439cyclictest8888-21diskmemload22:13:500
283049948533,438cyclictest25848-21ssh23:02:350
28304994836,416cyclictest681-21ssh00:35:280
283049948154,375cyclictest8888-21diskmemload21:27:000
283049947833,445cyclictest0-21swapper20:01:130
283049946773,209cyclictest9736-21ssh22:25:330
283049946032,368cyclictest11-21ksoftirqd/019:51:500
283049945333,420cyclictest0-21swapper20:27:110
283049945032,356cyclictest27865-21ssh23:06:460
283049943532,343cyclictest15120-21ssh21:23:270
283049942933,381cyclictest6690-21ssh23:33:020
283049942910,248cyclictest8888-21diskmemload00:24:020
283049942537,388cyclictest0-21swapper21:12:160
283049941932,372cyclictest4192-21lldpd22:44:500
283049941833,362cyclictest3542-21sshd20:55:230
283049941832,372cyclictest32293-21apt-get23:17:220
283049941333,366cyclictest11204-21ssh22:30:140
283049941327,372cyclictest6952-21kworker/0:022:22:490
283049941232,366cyclictest18526-21nfs_client21:31:000
283049940948,347cyclictest4253-21lldpd20:39:100
283049940931,316cyclictest181132sleep000:00:360
283049940732,361cyclictest13359-21grep23:50:130
283049940729,212cyclictest12773-21ssh23:47:480
283049940653,292cyclictest8888-21diskmemload23:21:180
283049940634,311cyclictest4192-21lldpd00:26:310
283049940536,309cyclictest345450irq/10-yenta21:41:090
283049940456,334cyclictest9265-21cron23:40:010
283049940431,313cyclictest24007-21ssh22:59:220
28304994035,384cyclictest316-21kworker/u2:022:07:420
283049940334,355cyclictest32524-21df_abs20:45:310
283049940232,356cyclictest21556-21ssh21:37:510
283049940152,288cyclictest8888-21diskmemload21:51:000
283049939931,353cyclictest25494-21cstates00:16:360
283049939655,281cyclictest8888-21diskmemload21:19:150
283049939620,88cyclictest8888-21diskmemload00:06:020
283049939452,283cyclictest6541-21apt-get22:17:240
283049939434,301cyclictest30470-21ssh21:58:430
283049939333,360cyclictest0-21swapper23:11:530
283049939213,366cyclictest19332-21ssh22:47:430
283049939038,338cyclictest8888-21diskmemload22:37:320
283049939034,296cyclictest32293-21runrttasks00:32:330
283049938949,279cyclictest20280-21ssh22:50:360
283049938834,340cyclictest25998-21ssh21:48:100
283049938734,339cyclictest4510-21ssh23:28:030
283049938732,293cyclictest10927-21fschecks_count19:46:080
283049938653,263cyclictest23501-21ssh00:12:060
283049938632,354cyclictest0-21swapper20:06:530
283049938632,294cyclictest10102-21seq23:40:480
283049938538,347cyclictest0-21swapper23:57:360
283049938333,337cyclictest902-21jbd2/sda1-819:44:270
283049938032,279cyclictest20687-21cron20:15:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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