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2026-08-25 - 22:57
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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 Tue Aug 25, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1846499104205212,5166cyclictest27999-21kworker/0:208:27:340
184649998125234,4568cyclictest27999-21kworker/0:207:23:500
184649993894698,4677cyclictest23662-21kworker/0:212:23:490
184649992974677,4598cyclictest27999-21kworker/0:207:52:440
184649992264632,4580cyclictest7555-21kworker/0:009:44:060
184649989244493,4417cyclictest1891-21kworker/0:011:37:410
184649987164597,4108cyclictest27999-21kworker/0:207:19:380
184649986364329,4265cyclictest27999-21kworker/0:208:34:430
184649986174453,4160cyclictest27656-21kworker/0:108:58:590
184649985164240,4262cyclictest27999-21kworker/0:207:32:140
184649984864267,4167cyclictest27656-21kworker/0:109:04:310
184649981134352,3711cyclictest27999-21kworker/0:207:27:100
184649980584236,3772cyclictest27999-21kworker/0:208:42:250
184649980354219,3765cyclictest30383-21kworker/0:210:28:160
184649980224304,3668cyclictest27999-21kworker/0:208:49:480
184649978214327,3481cyclictest30383-21kworker/0:210:19:240
184649977404295,3431cyclictest9874-21kworker/0:110:51:410
184649976293913,3676cyclictest1891-21kworker/0:011:55:410
184649974664038,3414cyclictest27999-21kworker/0:207:37:500
184649974283908,3470cyclictest1891-21kworker/0:011:47:050
184649972943940,3304cyclictest18721-21kworker/0:211:12:070
184649971853791,3344cyclictest27999-21kworker/0:207:58:260
184649970923565,3513cyclictest22774-21kworker/0:109:56:000
184649970433527,3474cyclictest27999-21kworker/0:208:12:420
184649970243756,3264cyclictest27999-21kworker/0:207:45:170
184649969643596,3354cyclictest32490-21kworker/0:212:34:120
184649969463579,3354cyclictest24845-21kworker/0:210:05:140
184649968783625,3240cyclictest20840-21kworker/0:012:08:130
184649968783546,3318cyclictest27656-21kworker/0:109:12:290
184649968193651,3158cyclictest27999-21kworker/0:208:36:190
184649967493715,3030cyclictest27999-21kworker/0:208:21:470
184649966263413,3200cyclictest20840-21kworker/0:012:10:110
184649965863411,3162cyclictest27656-21kworker/0:109:23:570
184649965193280,3217cyclictest32490-21kworker/0:212:37:100
184649964143503,2860cyclictest27999-21kworker/0:208:05:580
184649963923538,2850cyclictest27656-21kworker/0:109:06:060
184649963303410,2916cyclictest27999-21kworker/0:208:51:240
184649962583317,2891cyclictest18721-21kworker/0:211:01:010
184649962283124,3090cyclictest9874-21kworker/0:110:40:370
184649961343226,2885cyclictest7555-21kworker/0:009:53:110
184649961023240,2812cyclictest27999-21kworker/0:207:43:430
184649960493245,2790cyclictest9874-21kworker/0:110:49:420
184649960333326,2693cyclictest7555-21kworker/0:009:32:010
184649958793181,2688cyclictest27999-21kworker/0:208:00:020
184649958053109,2682cyclictest18721-21kworker/0:211:23:490
184649957593220,2536cyclictest27999-21kworker/0:207:12:510
184649957393075,2649cyclictest9874-21kworker/0:110:38:430
184649947112473,2234cyclictest18721-21kworker/0:211:25:230
184649946292331,2275cyclictest30383-21kworker/0:210:30:170
182082778185,202sleep00-21swapper07:08:320
184649949238,440cyclictest3869-21ssh09:18:310
184649948336,387cyclictest11-21ksoftirqd/010:23:070
184649948153,367cyclictest4204-21gpm09:37:280
184649948050,370cyclictest24130-21ssh11:06:520
184649947037,372cyclictest29132-21runrttasks10:10:390
184649946732,435cyclictest0-21swapper12:03:140
184649943863,361cyclictest31727-21diskmemload09:47:580
184649943564,357cyclictest8893-21ssh11:44:170
18464994341,373cyclictest29888-21sort12:26:110
184649943357,362cyclictest31727-21diskmemload10:57:160
184649943245,373cyclictest3920-21ssh11:33:480
184649942653,189cyclictest4305-21snmpd09:27:130
184649940341,178cyclictest13-21rcuc/011:18:580
184649939535,301cyclictest0-21swapper10:04:020
18464993860,372cyclictest20478-21munin-node12:18:200
184649938435,349cyclictest0-21swapper08:18:260
184649927823,241cyclictest12-21rcu_preempt11:53:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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