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2026-04-24 - 09:59
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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 Fri Apr 24, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
857099107895530,5255cyclictest17895-21kworker/0:119:31:000
857099103405175,5154cyclictest17895-21kworker/0:119:24:340
85709997395202,4534cyclictest17895-21kworker/0:119:12:470
85709996565143,4502cyclictest17895-21kworker/0:119:19:470
85709989144591,4319cyclictest21783-21kworker/0:219:49:110
85709988534404,4390cyclictest21783-21kworker/0:220:08:580
85709986174316,4258cyclictest21783-21kworker/0:221:07:410
85709967803567,3153cyclictest1634-21kworker/0:121:35:560
85709967483506,3227cyclictest17895-21kworker/0:119:37:530
85709967223344,3327cyclictest21783-21kworker/0:219:57:320
85709965913303,3273cyclictest7658-21kworker/0:100:32:120
85709963923490,2851cyclictest17895-21kworker/0:119:29:240
85709962863542,2730cyclictest7658-21kworker/0:100:29:140
85709962803419,2810cyclictest21783-21kworker/0:220:43:390
85709962173223,2979cyclictest21783-21kworker/0:220:30:210
85709961533358,2753cyclictest21783-21kworker/0:220:28:250
85709945314467,35cyclictest21783-21kworker/0:220:47:160
85709938552330,1510cyclictest21783-21kworker/0:220:12:480
80332806185,202sleep00-21swapper19:06:120
85709955054,311cyclictest2152-21ssh22:50:160
85709952326,435cyclictest1121-21ssh22:46:320
85709951324,428cyclictest29753-21cat23:55:020
85709950955,383cyclictest21350-21diskmemload00:13:470
85709950753,440cyclictest23477-21ssh22:23:160
85709950553,438cyclictest27126-21ssh23:47:250
8570995044,438cyclictest31223-21ssh22:41:140
85709949852,377cyclictest6607-21ssh23:00:210
85709948952,422cyclictest622-21ssh00:01:320
85709948353,416cyclictest21350-21diskmemload22:31:300
85709948153,367cyclictest21350-21diskmemload23:32:210
85709947954,365cyclictest21350-21diskmemload00:41:350
85709947653,361cyclictest21350-21diskmemload23:15:210
85709947453,360cyclictest21350-21diskmemload22:39:180
85709947453,351cyclictest4894-21runrttasks23:55:240
85709947438,374cyclictest21350-21diskmemload23:44:530
85709947353,237cyclictest21350-21diskmemload22:03:000
85709947053,357cyclictest21350-21diskmemload23:29:040
85709946554,351cyclictest21350-21diskmemload23:22:470
85709946472,377cyclictest25906-21latency_hist19:55:040
85709946353,350cyclictest4894-21runrttasks00:19:240
85709946166,381cyclictest8819-21ssh00:20:530
85709945953,222cyclictest13069-21ssh21:57:140
85709945854,343cyclictest18550-21strings21:00:470
85709945824,420cyclictest22843-21ssh23:37:170
8570994511,435cyclictest21350-21diskmemload22:09:100
8570994504,431cyclictest21878-21seq19:42:510
8570994501,435cyclictest8935-21ssh21:47:470
8570994501,435cyclictest6967-21ssh21:43:370
8570994501,435cyclictest19351-21ssh22:13:530
8570994501,434cyclictest4711-21ssh22:55:380
8570994481,433cyclictest0-21swapper20:23:420
85709944663,369cyclictest11-21ksoftirqd/020:15:180
8570994462,429cyclictest11269-21df_abs23:10:460
8570994451,430cyclictest21350-21diskmemload23:08:590
8570994450,430cyclictest21350-21diskmemload00:36:170
8570994431,428cyclictest21350-21diskmemload00:08:290
8570994431,373cyclictest28592-21strings20:00:350
85709943855,323cyclictest21350-21diskmemload22:18:090
8570994351,374cyclictest11398-21ssh21:54:370
8570994334,369cyclictest3584-19ntpd20:59:280
85709942657,88cyclictest13-21rcuc/020:51:260
85709941625,211cyclictest24038-21ssh22:25:210
85709937635,341cyclictest0-21swapper20:37:260
85709936721,331cyclictest29378-21ssh21:23:570
85709936627,315cyclictest32762-21ssh21:30:180
85709936327,320cyclictest26649-21ssh21:19:010
85709932521,304cyclictest0-21swapper21:13:410
85709930629,260cyclictest30953-21perl21:25:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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