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2026-05-18 - 00:19
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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 Sun May 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290799910739653459,53841cyclictest29420-21ssh11:07:180
290799910679053402,53388cyclictest0-21swapper07:51:020
290799910675353433,53255cyclictest9-21ksoftirqd/010:43:410
290799910673053442,53224cyclictest9-21ksoftirqd/010:32:580
290799910662653458,53103cyclictest9-21ksoftirqd/012:27:110
290799910658453466,53118cyclictest0-21swapper07:23:340
290799910654753447,53100cyclictest0-21swapper08:01:040
290799910653753383,53089cyclictest0-21swapper07:35:470
290799910653553381,53088cyclictest0-21swapper07:28:250
290799910650453421,53083cyclictest0-21swapper08:31:030
290799910649553470,53025cyclictest0-21swapper08:58:510
290799910649053481,53009cyclictest0-21swapper11:39:580
290799910648953463,53026cyclictest0-21swapper10:14:530
290799910647653400,53076cyclictest0-21swapper09:53:270
290799910647453463,53011cyclictest0-21swapper10:57:250
290799910646553452,53013cyclictest0-21swapper09:58:380
290799910644753402,53045cyclictest0-21swapper12:23:400
290799910644053444,52996cyclictest0-21swapper07:56:130
290799910643753421,53016cyclictest0-21swapper11:42:080
290799910643153394,53037cyclictest0-21swapper10:20:050
290799910628253388,52802cyclictest0-21swapper08:48:180
290799910622253473,52749cyclictest0-21swapper07:43:290
290799910620853440,52768cyclictest0-21swapper08:26:220
290799910618653457,52729cyclictest0-21swapper07:47:510
290799910618153455,52726cyclictest0-21swapper08:15:490
290799910617153406,52765cyclictest0-21swapper12:00:330
290799910616353404,52759cyclictest0-21swapper07:16:220
290799910615653460,52696cyclictest0-21swapper10:49:430
290799910615653400,52756cyclictest0-21swapper09:38:220
290799910614453438,52706cyclictest0-21swapper09:02:020
290799910614453395,52749cyclictest0-21swapper08:08:470
290799910612853427,52701cyclictest0-21swapper08:24:210
290799910605753365,52679cyclictest5350irq/9-uhci_hcd:09:12:350
290799910586153023,52835cyclictest5779-21ssh12:08:060
29079995355427,0cyclictest0-21swapper10:51:340
29079995319627,0cyclictest0-21swapper11:30:050
29079995307226,52955cyclictest0-21swapper07:30:260
29079995306825,53043cyclictest0-21swapper11:11:190
29079995305625,52966cyclictest0-21swapper08:36:250
29079995288927,52862cyclictest0-21swapper10:01:090
29079995279027,52763cyclictest0-21swapper12:30:420
290799945182656,1858cyclictest1741-21hald07:12:510
290799924671080,1294cyclictest134850irq/9-eth010:36:190
290799923321091,1114cyclictest27787-21ssh11:52:510
290799921441030,1021cyclictest9-21ksoftirqd/009:16:460
29079992096966,1091cyclictest24047-21sh09:24:380
290799920961038,1024cyclictest0-21swapper08:52:490
290799920931020,980cyclictest3950irq/9-acpi11:01:460
290799920601001,1024cyclictest0-21swapper09:28:090
290799919961037,864cyclictest0-21swapper10:29:370
290799919961034,868cyclictest0-21swapper08:13:380
290799919831030,858cyclictest0-21swapper11:57:220
290799919801036,909cyclictest30698-21ssh09:34:210
290799919751027,856cyclictest0-21swapper12:37:340
29079991933932,966cyclictest0-21swapper10:16:540
290799919091037,779cyclictest0-21swapper12:18:590
290799916751061,614cyclictest0-21swapper11:18:510
290799916671056,611cyclictest0-21swapper11:48:400
29079991605870,719cyclictest7110-21ssh09:46:150
29079991572968,590cyclictest3950irq/9-acpi10:06:200
290799915371017,426cyclictest0-21swapper08:43:570
290799914871007,416cyclictest9-21ksoftirqd/009:08:240
290799914591095,364cyclictest0-21swapper11:29:040
290799914541093,361cyclictest0-21swapper11:20:320
290799914441089,355cyclictest0-21swapper12:11:270
290799914201073,347cyclictest0-21swapper09:43:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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