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2026-08-09 - 11:58
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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 Aug 09, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301339910724353474,53671cyclictest28138-21ssh22:37:560
301339910669753470,53137cyclictest9-21ksoftirqd/022:55:410
301339910667053467,53203cyclictest0-21swapper19:27:010
301339910658653467,53119cyclictest0-21swapper19:56:290
301339910656253382,53089cyclictest0-21swapper21:55:340
301339910654853387,53095cyclictest0-21swapper22:48:190
301339910653453384,53084cyclictest0-21swapper19:34:130
301339910650253468,53034cyclictest0-21swapper22:33:150
301339910646953411,53058cyclictest0-21swapper00:39:310
301339910645853473,52985cyclictest0-21swapper19:19:590
301339910645653453,53003cyclictest0-21swapper00:09:220
301339910645353454,52999cyclictest0-21swapper20:26:580
301339910645253447,53005cyclictest0-21swapper21:13:220
301339910644653401,53045cyclictest0-21swapper21:17:130
301339910643453395,53039cyclictest0-21swapper19:13:470
301339910643353397,53036cyclictest0-21swapper00:02:300
301339910642653435,52991cyclictest0-21swapper21:52:030
301339910641453473,52851cyclictest9-21ksoftirqd/020:22:170
301339910641353385,53028cyclictest0-21swapper23:43:150
301339910638953439,52950cyclictest0-21swapper19:37:340
301339910627653456,52755cyclictest0-21swapper20:06:420
301339910625953388,52804cyclictest0-21swapper20:37:010
301339910621953471,52748cyclictest0-21swapper19:48:170
301339910621653477,52739cyclictest0-21swapper21:31:270
301339910621553462,52753cyclictest0-21swapper23:05:040
301339910615053396,52754cyclictest0-21swapper20:10:030
301339910613853422,52716cyclictest0-21swapper19:40:450
301339910611953422,52697cyclictest0-21swapper22:18:100
301339910534453090,52254cyclictest0-21swapper21:38:290
301339910514053024,52114cyclictest0-21swapper23:04:540
301339910502052924,52094cyclictest0-21swapper20:47:140
301339910501752921,52093cyclictest4339-21ssh00:23:360
30133995362525,53508cyclictest0-21swapper21:22:340
30133995337025,53345cyclictest0-21swapper23:20:480
30133995333227,53212cyclictest0-21swapper19:50:580
30133995328526,0cyclictest9-21ksoftirqd/021:49:520
30133995328426,53258cyclictest0-21swapper20:57:070
30133995327124,53180cyclictest0-21swapper19:22:500
30133995326426,53144cyclictest0-21swapper21:43:400
30133995323029,159cyclictest0-21swapper00:14:040
301339924961081,1290cyclictest7838-21ssh22:09:080
301339924351059,1252cyclictest23780-21ssh23:18:180
301339923981061,1244cyclictest9-21ksoftirqd/022:00:350
301339923661062,1210cyclictest134850irq/9-eth021:01:480
301339923091080,1105cyclictest50542sleep023:37:430
301339921381028,1073cyclictest10235-21ssh00:31:190
301339921091018,1053cyclictest15767-21ssh23:53:180
301339921031042,1025cyclictest0-21swapper22:28:330
30133992074956,1104cyclictest0-21swapper22:14:390
301339919971054,819cyclictest12490-21ssh21:29:260
30133991914918,982cyclictest0-21swapper00:27:480
30133991884932,935cyclictest18671-21ssh22:24:520
30133991751846,891cyclictest0-21swapper20:33:100
30133991751844,884cyclictest0-21swapper22:41:070
30133991748867,866cyclictest29972-21ssh23:26:400
30133991705849,843cyclictest3950irq/9-acpi22:54:510
301339916971093,604cyclictest0-21swapper20:19:160
301339916621099,471cyclictest0-21swapper23:56:390
301339916591073,586cyclictest0-21swapper21:08:300
301339916201091,467cyclictest9-21ksoftirqd/023:46:160
30133991604783,818cyclictest0-21swapper00:17:450
301339916001094,414cyclictest9-21ksoftirqd/023:12:060
301339915951079,452cyclictest9-21ksoftirqd/020:53:360
301339915481056,426cyclictest3950irq/9-acpi23:32:320
301339914971094,403cyclictest0-21swapper20:02:510
301339914601101,359cyclictest0-21swapper20:44:530
1351921390,2sleep013522-21awk19:05:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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