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2025-11-21 - 08:03
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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 Fri Nov 21, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16779910698253456,53526cyclictest0-21swapper19:58:120
16779910670653408,53275cyclictest24131-21sh21:31:190
16779910665553392,53198cyclictest0-21swapper19:39:560
16779910664153389,53187cyclictest0-21swapper22:34:470
16779910657553410,53165cyclictest0-21swapper20:49:260
16779910648353460,53023cyclictest0-21swapper20:38:330
16779910645353395,53058cyclictest0-21swapper21:50:540
16779910641953455,52964cyclictest0-21swapper21:14:240
16779910640153419,52982cyclictest0-21swapper22:08:490
16779910629353394,52807cyclictest0-21swapper20:09:150
16779910627153388,52819cyclictest0-21swapper19:45:580
16779910621653455,52761cyclictest0-21swapper19:40:070
16779910619653466,52730cyclictest0-21swapper20:29:410
16779910618453413,52771cyclictest0-21swapper20:04:440
16779910613253458,52674cyclictest0-21swapper22:35:070
16779910611753344,52773cyclictest0-21swapper22:47:410
16779910611053416,52694cyclictest0-21swapper22:55:030
16779910579053246,52544cyclictest0-21swapper21:16:040
16779910520353080,52121cyclictest0-21swapper21:47:330
16779910503952940,52094cyclictest0-21swapper22:53:520
16779910502752965,52060cyclictest0-21swapper23:12:480
1677995360053421,179cyclictest0-21swapper19:34:050
1677995355253401,151cyclictest0-21swapper19:50:090
167799535469,53537cyclictest0-21swapper23:44:470
1677995352953380,149cyclictest0-21swapper22:02:070
1677995349125,0cyclictest8002-21diskmemload22:44:500
1677995347825,381cyclictest0-21swapper00:06:130
1677995336024,53336cyclictest0-21swapper23:09:070
1677995333524,53311cyclictest0-21swapper23:29:130
1677995327126,53151cyclictest0-21swapper23:45:370
1677995318425,0cyclictest0-21swapper20:42:040
167799529808,52972cyclictest0-21swapper20:14:360
1677995297252939,31cyclictest0-21swapper22:15:510
167799529688,52957cyclictest10866-21ssh00:13:550
1677995289026,52745cyclictest0-21swapper20:16:470
16779949142725,2186cyclictest1744-21hald21:38:210
16779927392719,18cyclictest2739-21devkit-power-da23:57:110
16779921391031,1071cyclictest8002-21diskmemload22:10:100
16779921221010,1073cyclictest17557-21ssh23:37:450
16779921081041,1031cyclictest0-21swapper20:23:290
16779921071043,1043cyclictest0-21swapper00:23:080
16779920961036,1025cyclictest0-21swapper20:56:280
16779920671077,923cyclictest3950irq/9-acpi23:03:450
1677992051997,1019cyclictest0-21swapper22:24:540
16779920261037,895cyclictest0-21swapper00:03:120
16779920071101,840cyclictest11451-21rm21:59:370
16779919671002,928cyclictest8002-21diskmemload23:22:410
16779919451040,784cyclictest0-21swapper20:51:070
16779919271033,773cyclictest0-21swapper21:43:320
1677991923925,964cyclictest0-21swapper21:01:200
16779918351006,705cyclictest21510-21ssh21:28:180
16779918341019,722cyclictest5350irq/9-uhci_hcd:00:17:360
16779918261087,739cyclictest0-21swapper22:25:040
1677991814927,850cyclictest28161-21ssh00:37:520
16779917901010,741cyclictest18393-21sh21:24:160
16779917661095,572cyclictest2103-21runrttasks00:31:300
16779917281085,643cyclictest0-21swapper00:27:390
16779916921019,606cyclictest3950irq/9-acpi23:19:100
16779916491041,571cyclictest13956-21ssh23:32:430
16779916451060,494cyclictest1664-21cyclictest20:34:020
16779916421092,455cyclictest0-21swapper21:09:320
16779915401078,346cyclictest0-21swapper19:28:530
16779914991099,364cyclictest0-21swapper23:50:490
16779914221079,343cyclictest0-21swapper19:24:020
1677991090616,471cyclictest27799-21hwlatdetect-tra19:11:580
1677991057600,454cyclictest15737-21hwlatdetect-tra19:18:100
16088253638,208sleep00-21swapper19:07:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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