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2026-04-19 - 05:46
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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 Sun Apr 19, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1534299105825420,5151cyclictest27082-21kworker/0:119:27:540
153429997325183,4538cyclictest21749-21kworker/0:221:01:250
153429992274750,4473cyclictest9043-21kworker/0:120:17:590
153429990974687,4406cyclictest28412-21kworker/0:019:56:160
153429988854454,4416cyclictest26092-21kworker/0:119:36:280
153429987784725,4048cyclictest28412-21kworker/0:020:03:270
153429987014335,4314cyclictest9043-21kworker/0:120:23:390
153429986364440,4173cyclictest9134-21kworker/0:122:46:050
153429985964410,4175cyclictest10559-21kworker/0:221:43:550
153429983104342,3908cyclictest28412-21kworker/0:019:54:400
153429982184321,3883cyclictest16096-21kworker/0:100:18:020
153429981684283,3861cyclictest30334-21kworker/0:222:25:250
153429980994160,3923cyclictest30334-21kworker/0:222:35:250
153429980774028,3976cyclictest21749-21kworker/0:220:53:060
153429980364000,3984cyclictest28412-21kworker/0:019:48:030
153429980203987,3973cyclictest21749-21kworker/0:220:59:510
153429976813922,3699cyclictest13060-21kworker/0:020:46:070
153429976674224,3392cyclictest27082-21kworker/0:119:22:070
153429975874070,3457cyclictest13060-21kworker/0:020:31:300
153429975823791,3776cyclictest23441-21kworker/0:019:31:180
153429974023705,3674cyclictest18696-21kworker/0:022:03:030
153429971363773,3340cyclictest4183-21kworker/0:220:08:400
153429970653765,3288cyclictest28412-21kworker/0:019:43:290
153429970543731,3308cyclictest21749-21kworker/0:221:17:440
153429970333617,3401cyclictest30334-21kworker/0:222:22:300
153429969363704,3228cyclictest13272-21kworker/0:200:03:010
153429968113397,3363cyclictest1342-21kworker/0:021:32:090
153429968093501,3257cyclictest30334-21kworker/0:222:33:330
153429967123538,3113cyclictest18696-21kworker/0:022:10:400
153429966843455,3214cyclictest14523-21kworker/0:022:58:500
153429966753439,3221cyclictest9134-21kworker/0:122:44:030
153429966733513,3145cyclictest21749-21kworker/0:221:14:190
153429966493440,3194cyclictest5297-21kworker/0:123:50:270
153429966373553,3073cyclictest13060-21kworker/0:020:40:110
153429966093517,3068cyclictest26201-21kworker/0:223:24:440
153429965193269,3236cyclictest25348-21kworker/0:200:31:330
153429964813412,2994cyclictest16096-21kworker/0:100:14:170
153429964543355,3084cyclictest2798-21kworker/0:223:37:120
153429963853249,3076cyclictest19563-21kworker/0:223:08:210
153429963573264,3050cyclictest10559-21kworker/0:221:49:440
153429963073425,2858cyclictest16096-21kworker/0:100:29:290
153429962013109,3078cyclictest1342-21kworker/0:021:35:370
153429961883376,2752cyclictest5297-21kworker/0:123:48:290
153429961723109,3049cyclictest10559-21kworker/0:221:53:020
153429961583186,2949cyclictest1342-21kworker/0:021:26:260
153429961463267,2828cyclictest1342-21kworker/0:021:24:110
153429959863276,2659cyclictest18696-21kworker/0:021:59:300
153429959163090,2815cyclictest9043-21kworker/0:120:25:150
153429956473159,2485cyclictest27082-21kworker/0:119:13:000
153429953522814,2534cyclictest27082-21kworker/0:119:16:160
153429952732668,2594cyclictest4183-21kworker/0:220:10:150
153429949962632,2353cyclictest21749-21kworker/0:221:08:140
153429945852300,2233cyclictest13060-21kworker/0:020:38:350
153429937242176,1534cyclictest23547-21kworker/0:023:11:390
148482782184,178sleep00-21swapper19:06:340
153429957353,459cyclictest28306-21diskmemload23:30:040
153429954033,492cyclictest26641-21rm23:19:290
153429951856,279cyclictest28306-21diskmemload23:00:220
153429951362,437cyclictest293792chrt22:15:570
153429950855,439cyclictest25523-21ssh22:09:280
153429950755,438cyclictest5696-21ssh23:42:470
153429950755,438cyclictest12366-21ssh23:58:270
153429948030,388cyclictest16323-21ssh00:08:060
153429945570,88cyclictest12951-21egrep22:50:150
153429943354,88cyclictest28281-21ssh00:35:320
153429941854,351cyclictest11-21ksoftirqd/023:33:160
153429941752,350cyclictest22550-21fschecks_time00:21:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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