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2026-07-22 - 16:29
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Wed Jul 22, 2026 12:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1854999109215597,5321cyclictest28844-21kworker/0:208:23:120
185499999995081,4868cyclictest6267-21kworker/0:209:23:520
185499998225092,4708cyclictest25811-21kworker/0:007:16:040
185499997345087,4637cyclictest28844-21kworker/0:207:37:300
185499995495108,4439cyclictest25811-21kworker/0:007:12:570
185499988924562,4320cyclictest28844-21kworker/0:209:00:560
185499987194463,4242cyclictest437-21kworker/0:009:13:550
185499986734318,4341cyclictest28844-21kworker/0:208:39:570
185499986554326,4278cyclictest28844-21kworker/0:208:46:380
185499986294426,4180cyclictest29743-21kworker/0:210:15:410
185499985604510,4040cyclictest28844-21kworker/0:208:16:540
185499985604413,4137cyclictest28844-21kworker/0:208:10:540
185499985504277,4260cyclictest28844-21kworker/0:207:41:170
185499984994255,4230cyclictest28844-21kworker/0:208:59:210
185499978614164,3687cyclictest28844-21kworker/0:208:29:160
185499977254159,3516cyclictest25811-21kworker/0:007:21:500
185499976434121,3509cyclictest28844-21kworker/0:208:03:580
185499974803736,3730cyclictest31125-21kworker/0:109:06:310
185499970653762,3299cyclictest9009-21kworker/0:009:34:360
185499968633660,3192cyclictest28844-21kworker/0:208:05:200
185499968103647,3149cyclictest25811-21kworker/0:007:30:570
185499967473631,3103cyclictest22229-21kworker/0:209:57:340
185499965663617,2945cyclictest28844-21kworker/0:208:41:330
185499965283454,3061cyclictest28844-21kworker/0:208:33:400
185499965053342,3113cyclictest28844-21kworker/0:207:47:230
185499964193391,2969cyclictest28844-21kworker/0:208:52:460
185499963243450,2824cyclictest28844-21kworker/0:207:52:400
185499962943253,2992cyclictest437-21kworker/0:009:16:220
185499962573357,2890cyclictest16588-21kworker/0:209:45:130
185499962233317,2892cyclictest29743-21kworker/0:210:13:420
185499960953336,2708cyclictest25811-21kworker/0:007:26:160
185499959343256,2628cyclictest28844-21kworker/0:207:58:090
185499948312625,2193cyclictest9009-21kworker/0:009:43:390
185499932771852,1411cyclictest6267-21kworker/0:209:25:530
182282776183,203sleep00-21swapper07:07:590
185499952194,258cyclictest13-21rcuc/011:41:290
185499952155,452cyclictest4924-21runrttasks11:29:060
185499951727,428cyclictest4924-21runrttasks11:14:310
185499950353,389cyclictest31830-21diskmemload11:30:490
185499950155,386cyclictest13358-21ssh09:36:470
185499949953,273cyclictest31830-21diskmemload10:03:260
185499949655,381cyclictest27309-21ssh10:06:530
185499949653,384cyclictest2042-21ssh11:39:170
185499949653,383cyclictest19736-21ssh11:05:060
185499949626,400cyclictest15367-21sort10:55:020
185499949553,267cyclictest31830-21diskmemload12:16:510
185499948755,418cyclictest31830-21diskmemload12:22:000
185499948755,257cyclictest16156-21ssh12:11:020
185499948753,420cyclictest31830-21diskmemload11:15:220
185499948155,412cyclictest17160-21ssh10:58:220
185499948154,366cyclictest31830-21diskmemload12:30:150
185499947654,236cyclictest14775-21ssh12:07:530
185499947155,355cyclictest7243-21gzip11:50:440
185499947154,356cyclictest4924-21runrttasks10:49:240
185499946953,347cyclictest31830-21diskmemload10:22:150
185499946556,340cyclictest9219-21runrttasks11:55:350
185499946353,350cyclictest6488-21ssh11:49:240
185499946188,198cyclictest27893-21chrt12:39:150
18549994514,434cyclictest6201-21ssh10:32:050
18549994484,431cyclictest31830-21diskmemload11:22:250
185499944585,346cyclictest351950irq/10-yenta10:42:240
185499944054,327cyclictest31830-21diskmemload11:05:590
18549994395,373cyclictest29683-21ssh12:42:160
185499943677,346cyclictest351950irq/10-yenta10:25:070
185499942830,338cyclictest23346-21ssh12:27:500
185499942270,176cyclictest11-21ksoftirqd/010:35:250
185499942146,94cyclictest20438-21ssh09:52:100
185499941746,87cyclictest31830-21diskmemload12:02:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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