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2026-09-01 - 02:21
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Tue Sep 01, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27089910707753407,53579cyclictest0-21swapper23:27:540
27089910672353467,53165cyclictest10-21rcuc/022:35:290
27089910672353432,53198cyclictest0-21swapper20:32:230
27089910664553390,53163cyclictest0-21swapper19:32:260
27089910664253437,53140cyclictest9-21ksoftirqd/022:18:040
27089910656653394,53107cyclictest0-21swapper22:31:180
27089910655953424,53037cyclictest1828-21hald-addon-acpi19:40:480
27089910655853449,53109cyclictest0-21swapper21:08:140
27089910655453421,53042cyclictest0-21swapper23:49:400
27089910654653417,53037cyclictest0-21swapper19:47:200
27089910654453468,53076cyclictest0-21swapper21:46:550
27089910653253379,53089cyclictest0-21swapper21:30:000
27089910651353479,53034cyclictest0-21swapper20:02:350
27089910650553470,53035cyclictest0-21swapper22:29:370
27089910649753413,53084cyclictest0-21swapper23:41:080
27089910649653469,53027cyclictest0-21swapper22:44:410
27089910648953467,53022cyclictest0-21swapper21:02:420
27089910648853464,53024cyclictest0-21swapper22:59:360
27089910648453461,53023cyclictest0-21swapper00:36:540
27089910648453432,53052cyclictest0-21swapper20:38:350
27089910648253404,53078cyclictest0-21swapper21:18:270
27089910647553416,53059cyclictest0-21swapper23:35:060
27089910646953399,53070cyclictest0-21swapper23:18:110
27089910646153385,53011cyclictest0-21swapper19:24:040
27089910644553442,53003cyclictest0-21swapper00:27:010
27089910643753397,53040cyclictest0-21swapper23:01:560
27089910643653397,53039cyclictest0-21swapper22:11:420
27089910641353463,52950cyclictest0-21swapper20:58:010
27089910640653421,52985cyclictest0-21swapper19:52:420
27089910639553460,52871cyclictest9-21ksoftirqd/021:36:120
27089910635753363,52994cyclictest0-21swapper00:03:340
27089910634753434,52850cyclictest2699-21cyclictest20:08:470
27089910633053432,52833cyclictest9-21ksoftirqd/020:44:570
27089910626553468,52797cyclictest0-21swapper19:35:370
27089910625753387,52805cyclictest0-21swapper00:31:120
27089910623853396,52842cyclictest0-21swapper20:53:090
27089910621653475,52741cyclictest0-21swapper20:22:510
27089910617453454,52720cyclictest0-21swapper22:54:240
27089910616953451,52718cyclictest0-21swapper00:16:480
27089910605053027,53020cyclictest11314-21open_files22:45:220
27089910604752956,53089cyclictest0-21swapper23:09:590
27089910532853059,52269cyclictest0-21swapper00:08:360
27089910508952980,52107cyclictest0-21swapper23:30:450
2708995352126,53402cyclictest0-21swapper19:55:330
2708995318826,176cyclictest0-21swapper20:15:490
2708995318424,0cyclictest0-21swapper20:10:470
2708995307526,53049cyclictest0-21swapper22:03:400
2708995290352891,11cyclictest3950irq/9-acpi22:06:300
2708995253914,52525cyclictest0-21swapper23:57:420
27089924331038,1275cyclictest422-21rm21:44:040
27089924061081,1259cyclictest134850irq/9-eth000:10:360
2708992090945,1145cyclictest24957-21sh21:32:000
27089919861031,860cyclictest0-21swapper21:56:070
27089919821029,861cyclictest0-21swapper19:27:550
27089919571083,780cyclictest0-21swapper21:14:150
2708991849973,840cyclictest22792-21munin-node20:25:110
27089918051036,646cyclictest2272-21munin-node21:51:060
27089917781062,649cyclictest134850irq/9-eth000:22:300
27089917521040,619cyclictest0-21swapper20:46:270
27089917231013,614cyclictest17480-21ssh21:20:570
27089916311062,477cyclictest9-21ksoftirqd/023:52:010
2708991573746,824cyclictest0-21swapper23:20:020
2708991554965,573cyclictest29352-21sh23:10:590
27089915291017,476cyclictest25663-21ssh22:20:140
2708991212619,590cyclictest15875-21grep19:13:210
2708991141583,555cyclictest26966-21grep19:16:310
16322252352,213sleep00-21swapper19:05:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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