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2025-12-20 - 21:53
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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 Dec 20, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2552199102875246,5031cyclictest13403-21kworker/0:208:14:520
255219998425205,4626cyclictest5416-21kworker/0:107:58:480
255219998305203,4616cyclictest2518-21kworker/0:109:07:350
255219995525061,4480cyclictest5416-21kworker/0:107:53:260
255219995115046,4461cyclictest5416-21kworker/0:107:42:420
255219987684598,4167cyclictest3230-21kworker/0:007:13:020
255219987214464,4247cyclictest3230-21kworker/0:007:23:530
255219984994226,4259cyclictest13403-21kworker/0:208:53:290
255219984574214,4220cyclictest19269-21kworker/0:111:45:420
255219982624402,3846cyclictest19269-21kworker/0:112:13:220
255219982194096,4108cyclictest31992-21kworker/0:207:26:310
255219982124063,4097cyclictest31992-21kworker/0:207:36:090
255219981824328,3802cyclictest31992-21kworker/0:207:31:100
255219981584425,3673cyclictest19269-21kworker/0:111:43:450
255219981474030,4065cyclictest13403-21kworker/0:208:47:480
255219980674281,3735cyclictest13403-21kworker/0:208:36:170
255219980473978,4055cyclictest13403-21kworker/0:208:08:070
255219979034236,3662cyclictest3230-21kworker/0:007:19:560
255219978974192,3654cyclictest19269-21kworker/0:110:58:480
255219978544229,3614cyclictest13403-21kworker/0:208:31:330
255219978484190,3618cyclictest19269-21kworker/0:111:14:440
255219978203859,3918cyclictest5416-21kworker/0:107:46:250
255219977303843,3873cyclictest19269-21kworker/0:112:16:450
255219977084091,3566cyclictest13403-21kworker/0:208:42:010
255219975234128,3381cyclictest19269-21kworker/0:111:55:500
255219974323996,3421cyclictest2518-21kworker/0:109:16:280
255219973523887,3423cyclictest2518-21kworker/0:109:12:510
255219972853886,3347cyclictest5319-21kworker/0:010:11:410
255219972573797,3445cyclictest2518-21kworker/0:109:35:290
255219971463837,3257cyclictest19269-21kworker/0:112:04:010
255219970903686,3389cyclictest19269-21kworker/0:110:39:020
255219970593884,3124cyclictest19269-21kworker/0:111:23:290
255219970533607,3422cyclictest19269-21kworker/0:110:50:260
255219968743780,3080cyclictest13403-21kworker/0:208:02:460
255219968323664,3117cyclictest10247-21kworker/0:212:26:050
255219968003599,3190cyclictest13403-21kworker/0:208:20:200
255219967043433,3247cyclictest19269-21kworker/0:111:35:310
255219965603443,3102cyclictest19269-21kworker/0:110:47:090
255219965513530,2970cyclictest13403-21kworker/0:208:18:570
255219965313510,3006cyclictest2518-21kworker/0:109:54:030
255219965093559,2945cyclictest2518-21kworker/0:109:01:100
255219964533326,3112cyclictest2518-21kworker/0:109:46:180
255219964433307,3121cyclictest19269-21kworker/0:112:06:050
255219964253452,2921cyclictest13403-21kworker/0:208:29:570
255219964153453,2911cyclictest19269-21kworker/0:111:33:300
255219963873532,2840cyclictest2518-21kworker/0:109:32:020
255219962343364,2819cyclictest10247-21kworker/0:212:38:200
255219962343364,2818cyclictest2518-21kworker/0:109:23:140
255219961713431,2688cyclictest2518-21kworker/0:108:59:340
255219959433168,2760cyclictest19269-21kworker/0:111:25:240
255219959093219,2676cyclictest13467-21kworker/0:210:25:290
255219959093211,2684cyclictest19269-21kworker/0:111:53:480
255219957343111,2571cyclictest2518-21kworker/0:109:42:450
255219950282411,2602cyclictest2518-21kworker/0:110:03:210
255219947962499,2286cyclictest2518-21kworker/0:109:55:380
255219942782192,2046cyclictest2518-21kworker/0:110:05:250
255219937232133,1575cyclictest19269-21kworker/0:111:02:140
255219934722123,1326cyclictest2518-21kworker/0:109:25:260
252992837184,203sleep00-21swapper07:08:480
255219948734,439cyclictest4298-21ssh11:07:150
255219946233,367cyclictest9439-21apt-get11:17:050
255219942854,312cyclictest17432-21ssh10:30:380
255219942054,351cyclictest6578-21diskmemload10:41:440
255219941753,349cyclictest6578-21diskmemload12:21:070
255219939651,285cyclictest6578-21diskmemload12:32:450
255219923723,201cyclictest10119-21ssh10:16:380
255219923132,199cyclictest0-21swapper10:22:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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