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2026-06-22 - 13:06
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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 all highest latencies:
System rack6slot6 (updated Mon Jun 22, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
287959910711553459,53560cyclictest11343-21diskmemload23:32:440
287959910693253463,53469cyclictest0-21swapper23:40:260
287959910690453472,53432cyclictest11331-21ssh21:56:260
287959910660053400,53103cyclictest22957-21ssh00:38:130
287959910659853409,53189cyclictest0-21swapper21:13:440
287959910659253396,53105cyclictest9-21ksoftirqd/023:47:280
287959910656953382,53099cyclictest9-21ksoftirqd/022:40:290
287959910655953391,53101cyclictest0-21swapper23:26:520
287959910655353463,53090cyclictest0-21swapper19:59:120
287959910652553471,53054cyclictest0-21swapper22:12:210
287959910652353374,53059cyclictest0-21swapper21:27:580
287959910651753465,53052cyclictest0-21swapper19:45:280
287959910650953475,53034cyclictest0-21swapper23:02:550
287959910650253469,53033cyclictest0-21swapper20:30:410
287959910649053460,53030cyclictest0-21swapper22:51:020
287959910648653462,53024cyclictest0-21swapper21:23:360
287959910646653454,53012cyclictest0-21swapper22:46:500
287959910645953446,53013cyclictest0-21swapper00:25:490
287959910645353445,53008cyclictest0-21swapper20:12:460
287959910643853440,52998cyclictest0-21swapper23:21:510
287959910643653438,52998cyclictest0-21swapper20:28:110
287959910642953393,53036cyclictest0-21swapper22:26:040
287959910641653438,52884cyclictest180372sleep020:05:540
287959910640753426,52981cyclictest0-21swapper00:32:310
287959910627753394,52819cyclictest9-21ksoftirqd/021:16:340
287959910626653469,52797cyclictest0-21swapper20:57:190
287959910623653462,52774cyclictest0-21swapper19:37:060
287959910622453437,52787cyclictest0-21swapper19:29:140
287959910616153403,52758cyclictest0-21swapper20:43:550
287959910615853399,52759cyclictest0-21swapper21:08:520
287959910614053433,52707cyclictest0-21swapper20:16:270
287959910612353424,52699cyclictest0-21swapper19:34:550
287959910517053054,52110cyclictest0-21swapper00:24:490
287959910506652954,52110cyclictest0-21swapper00:00:120
287959910494952898,52049cyclictest0-21swapper23:09:470
28795995415753471,686cyclictest0-21swapper20:48:260
28795995402653409,526cyclictest0-21swapper22:32:460
28795995371919,560cyclictest0-21swapper19:24:320
28795995368334,53548cyclictest18088-21ssh22:06:190
28795995353824,408cyclictest0-21swapper20:39:240
28795995329125,53141cyclictest2099-21runrttasks00:16:060
28795995325926,53140cyclictest0-21swapper20:54:580
28795995324024,464cyclictest0-21swapper19:44:180
28795995320415,53185cyclictest0-21swapper21:54:250
28795995308025,52962cyclictest0-21swapper20:23:090
28795995307325,53048cyclictest0-21swapper23:35:550
28795995306525,52948cyclictest0-21swapper22:35:070
287959923221046,1154cyclictest737-21rm21:40:510
287959922991052,1124cyclictest25069-21ssh21:30:080
287959922331058,1081cyclictest9-21ksoftirqd/022:22:330
287959922031008,1070cyclictest2099-21runrttasks19:52:500
287959921041034,1036cyclictest3950irq/9-acpi21:00:200
287959920691071,932cyclictest134850irq/9-eth000:09:140
287959920191096,800cyclictest5381-21ssh21:48:140
287959920151049,872cyclictest134850irq/9-eth021:38:510
28795992002973,1009cyclictest0-21swapper20:04:040
287959920011026,853cyclictest0-21swapper22:03:580
287959919771025,858cyclictest0-21swapper22:58:340
28795991901988,893cyclictest0-21swapper23:13:380
287959918731087,722cyclictest3950irq/9-acpi00:12:550
287959918161080,736cyclictest0-21swapper23:18:190
28795991744919,808cyclictest24527-21ssh23:51:390
28795991677989,597cyclictest3950irq/9-acpi22:17:120
28795991528753,771cyclictest0-21swapper23:55:500
28795991040597,439cyclictest22444-21grep19:16:400
2879599991572,415cyclictest1943-21hwlatdetect-tra19:12:490
28795996254,6cyclictest2679-21devkit-power-da19:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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