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2025-12-26 - 05:11
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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 Dec 26, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62339999995273,4715cyclictest24909-21kworker/0:020:59:200
62339999825161,4810cyclictest24909-21kworker/0:021:04:220
62339999075218,4677cyclictest26857-21kworker/0:122:04:470
62339998575333,4521cyclictest5516-21kworker/0:019:13:170
62339998335190,4632cyclictest5516-21kworker/0:019:23:520
62339997635160,4598cyclictest24909-21kworker/0:020:49:270
62339997575152,4594cyclictest22517-21kworker/0:022:19:020
62339996905126,4560cyclictest24909-21kworker/0:020:25:490
62339994144897,4506cyclictest24909-21kworker/0:021:09:120
62339992384811,4416cyclictest24909-21kworker/0:020:11:410
62339992264556,4618cyclictest5205-21kworker/0:022:48:200
62339991514666,4474cyclictest24909-21kworker/0:020:39:470
62339991454519,4575cyclictest8359-21kworker/0:223:02:560
62339991034645,4454cyclictest24909-21kworker/0:020:44:340
62339990904637,4442cyclictest26857-21kworker/0:121:45:210
62339990614725,4332cyclictest8359-21kworker/0:223:18:160
62339989534573,4376cyclictest24909-21kworker/0:019:57:450
62339989024641,4250cyclictest24909-21kworker/0:020:20:590
62339988324609,4219cyclictest12803-21kworker/0:219:31:480
62339986414505,4121cyclictest30781-21kworker/0:222:36:280
62339986304606,4020cyclictest12803-21kworker/0:219:27:530
62339986194500,4108cyclictest12803-21kworker/0:219:35:510
62339985694376,4182cyclictest8359-21kworker/0:223:31:440
62339981894066,4080cyclictest24909-21kworker/0:020:52:580
62339981744376,3787cyclictest24909-21kworker/0:020:07:110
62339981584227,3880cyclictest8359-21kworker/0:223:43:390
62339978884023,3851cyclictest3861-21kworker/0:023:53:550
62339978284154,3623cyclictest12803-21kworker/0:219:51:370
62339977334133,3585cyclictest19160-21kworker/0:000:19:430
62339977084095,3590cyclictest25268-21kworker/0:122:33:460
62339976484058,3530cyclictest12803-21kworker/0:219:47:030
62339974984083,3363cyclictest8359-21kworker/0:223:36:500
62339974484056,3368cyclictest25941-21kworker/0:200:27:100
62339974103955,3404cyclictest12803-21kworker/0:219:42:440
62339973883958,3415cyclictest25941-21kworker/0:200:38:240
62339973223953,3358cyclictest24909-21kworker/0:020:02:250
62339972073891,3311cyclictest8359-21kworker/0:223:11:260
62339971693495,3631cyclictest24909-21kworker/0:020:19:320
62339971563920,3185cyclictest8359-21kworker/0:222:54:580
62339970723784,3237cyclictest26857-21kworker/0:121:31:290
62339970153796,3208cyclictest24909-21kworker/0:021:20:420
62339967693658,3100cyclictest26857-21kworker/0:121:58:140
62339967093645,3053cyclictest24909-21kworker/0:021:14:470
62339967033580,3072cyclictest30781-21kworker/0:222:41:510
62339966743688,2927cyclictest26857-21kworker/0:121:50:110
62339966743305,3327cyclictest5516-21kworker/0:019:18:080
62339966453667,2927cyclictest25268-21kworker/0:122:23:590
62339965783427,3091cyclictest8359-21kworker/0:223:23:240
62339965103495,2964cyclictest26857-21kworker/0:121:25:050
62339964693395,3059cyclictest24909-21kworker/0:021:19:080
62339964433556,2834cyclictest9529-21kworker/0:123:59:400
62339964263382,3007cyclictest8359-21kworker/0:222:57:250
62339963643529,2792cyclictest26857-21kworker/0:122:09:380
62339962723345,2885cyclictest3861-21kworker/0:023:49:400
62339960303266,2713cyclictest24909-21kworker/0:020:33:380
62339958693095,2759cyclictest25941-21kworker/0:200:34:300
62339958403198,2631cyclictest26857-21kworker/0:121:39:190
62339956212845,2717cyclictest8359-21kworker/0:223:09:370
62339947052431,2260cyclictest25268-21kworker/0:122:28:250
62339946732323,2335cyclictest26857-21kworker/0:122:12:050
62339943032391,1853cyclictest26857-21kworker/0:121:43:450
58622810183,202sleep00-21swapper19:07:350
62339946130,361cyclictest19503-21diskmemload23:29:100
62339939750,110cyclictest19503-21diskmemload00:21:330
62339927315,235cyclictest16558-21latency_hist00:10:010
62339924716,217cyclictest18643-21ssh00:12:460
62339922523,187cyclictest10662-21ntp_states00:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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