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2025-07-12 - 14:24
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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 792 highest latencies:
System rack6slot6 (updated Sat Jul 12, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160429910683153426,53341cyclictest3950irq/9-acpi23:17:080
160429910679453415,53284cyclictest2114-21munin-node21:34:180
160429910679153482,53244cyclictest9-21ksoftirqd/022:18:310
160429910678853477,53246cyclictest9-21ksoftirqd/023:31:320
160429910676253406,53292cyclictest11-21rcu_preempt00:06:520
160429910671253473,53239cyclictest0-21swapper20:27:490
160429910671253469,53243cyclictest0-21swapper23:06:450
160429910655453391,53098cyclictest0-21swapper00:32:590
160429910652553441,53084cyclictest0-21swapper21:04:490
160429910647653450,53026cyclictest0-21swapper21:48:120
160429910647153454,53017cyclictest0-21swapper00:17:050
160429910646253407,53055cyclictest0-21swapper19:53:290
160429910644753401,53046cyclictest0-21swapper23:45:460
160429910644353441,53002cyclictest0-21swapper20:44:540
160429910644353402,53041cyclictest0-21swapper22:01:560
160429910643653396,53040cyclictest0-21swapper20:24:480
160429910643053435,52995cyclictest0-21swapper23:38:040
160429910640953385,52959cyclictest9-21ksoftirqd/021:21:540
160429910638953388,52937cyclictest31129-21kworker/0:019:37:240
160429910628753404,52883cyclictest0-21swapper19:27:310
160429910623453435,52799cyclictest0-21swapper20:31:100
160429910621253472,52740cyclictest0-21swapper19:43:160
160429910614953396,52753cyclictest0-21swapper23:00:030
160429910611253025,53085cyclictest0-21swapper21:26:260
160429910532953004,52322cyclictest2921-21ssh00:39:510
160429910514453025,52117cyclictest0-21swapper23:41:550
16042995353526,439cyclictest0-21swapper22:32:150
16042995342825,208cyclictest9-21ksoftirqd/021:50:020
16042995329725,53205cyclictest0-21swapper20:47:140
16042995322125,0cyclictest0-21swapper19:45:060
16042995314227,53115cyclictest0-21swapper22:05:070
16042995277427,52747cyclictest0-21swapper19:24:100
160429959292999,2921cyclictest1744-21hald22:42:380
160429947572718,2036cyclictest2739-21devkit-power-da00:12:540
160429946282554,2071cyclictest2739-21devkit-power-da20:09:540
160429924531075,1254cyclictest26051-21ssh00:25:470
160429924431100,1249cyclictest9-21ksoftirqd/000:02:410
160429924161091,1232cyclictest9-21ksoftirqd/020:59:380
160429923371065,1205cyclictest133750irq/9-eth022:14:090
160429922671099,1068cyclictest27258-21ssh22:57:320
160429921601087,1006cyclictest133750irq/9-eth023:14:270
160429921071018,965cyclictest5942-21ssh22:27:530
160429920871090,872cyclictest14065-21diskmemload23:53:080
160429920701100,877cyclictest27898-1kworker/u3:022:20:110
16042992039993,1012cyclictest0-21swapper23:58:390
16042992030997,996cyclictest12196-21sh23:21:190
160429920151033,861cyclictest0-21swapper20:52:160
160429919921010,889cyclictest3950irq/9-acpi20:11:540
160429919901060,833cyclictest2103-21runrttasks22:37:260
160429919431038,811cyclictest0-21swapper19:34:430
160429919361087,849cyclictest0-21swapper20:39:120
16042991866918,912cyclictest24490-21ssh22:54:110
160429918491075,650cyclictest22816-21ssh00:21:260
16042991805989,780cyclictest5517-21ssh21:42:100
160429917261045,590cyclictest9-21ksoftirqd/021:08:200
160429916751056,619cyclictest0-21swapper21:35:580
160429916741067,607cyclictest0-21swapper21:57:040
16042991659924,702cyclictest9-21ksoftirqd/023:27:100
160429916201074,546cyclictest0-21swapper22:46:590
16042991613784,826cyclictest0-21swapper21:18:030
160429915821088,428cyclictest0-21swapper20:15:550
160429915771087,426cyclictest9-21ksoftirqd/020:03:320
160429915621045,517cyclictest0-21swapper19:58:400
16042991556964,557cyclictest16000-21ssh21:11:410
16042991087581,502cyclictest28730-21hwlatdetect-tra19:17:080
16042991084581,500cyclictest5940-21wc19:13:570
3246626911,14sleep032751-21wc19:07:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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