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2025-12-21 - 05:13
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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 Dec 21, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278749910698653460,53526cyclictest0-21swapper23:38:120
278749910695353415,53416cyclictest31991-21ssh00:38:090
278749910678853437,53259cyclictest9-21ksoftirqd/023:02:120
278749910676253439,53231cyclictest0-21swapper21:29:550
278749910670053396,53213cyclictest0-21swapper21:21:330
278749910663553451,53120cyclictest134850irq/9-eth021:00:260
278749910661353418,53131cyclictest9-21ksoftirqd/020:35:390
278749910657553390,53091cyclictest0-21swapper19:41:440
278749910652753465,53062cyclictest0-21swapper00:11:520
278749910651253473,53039cyclictest0-21swapper22:51:280
278749910650553473,53032cyclictest0-21swapper20:32:280
278749910646753455,53012cyclictest0-21swapper23:19:370
278749910645953450,53009cyclictest0-21swapper23:09:240
278749910645853451,53007cyclictest0-21swapper23:13:250
278749910644653401,53045cyclictest0-21swapper22:34:340
278749910643453396,53038cyclictest0-21swapper19:22:080
278749910642153428,52993cyclictest0-21swapper22:28:220
278749910635853394,52875cyclictest134850irq/9-eth023:24:080
278749910620853468,52740cyclictest0-21swapper23:27:090
278749910620053462,52738cyclictest0-21swapper20:02:500
278749910618653455,52731cyclictest0-21swapper00:22:550
278749910618253458,52724cyclictest0-21swapper19:53:170
278749910617853411,52767cyclictest0-21swapper20:27:370
278749910616853409,52759cyclictest0-21swapper20:17:040
278749910616253443,52719cyclictest0-21swapper22:36:340
278749910615853054,53098cyclictest0-21swapper23:52:260
278749910614653440,52706cyclictest0-21swapper19:57:080
278749910602652945,53076cyclictest0-21swapper19:13:060
278749910596252930,53030cyclictest0-21swapper22:15:480
278749910503452941,52091cyclictest0-21swapper21:46:500
27874995396953377,501cyclictest0-21swapper20:46:020
27874995394253376,501cyclictest0-21swapper00:18:230
2787499536599,0cyclictest0-21swapper22:41:260
27874995358024,0cyclictest0-21swapper20:55:050
27874995356253386,176cyclictest0-21swapper19:45:550
27874995353653386,150cyclictest0-21swapper20:50:030
27874995347224,53448cyclictest0-21swapper23:57:170
27874995318327,53156cyclictest0-21swapper23:49:550
278749924351095,1242cyclictest19273-21ssh23:30:400
278749923071055,1127cyclictest10728-21runrttasks19:28:000
278749922901030,1133cyclictest26328-21ssh23:41:230
278749922201006,1087cyclictest20083-21diskmemload00:02:490
278749921701095,976cyclictest2099-21runrttasks00:32:170
278749921461073,948cyclictest6211-21ssh22:24:510
278749920911034,1023cyclictest0-21swapper21:16:210
278749920711039,997cyclictest0-21swapper22:47:370
278749920621035,992cyclictest0-21swapper22:01:140
278749920351035,965cyclictest0-21swapper20:13:530
278749920151028,950cyclictest22534-21kworker/u2:000:26:260
278749920071020,888cyclictest29776-21ssh22:59:410
278749920001026,879cyclictest0-21swapper22:14:580
278749919851031,862cyclictest0-21swapper21:36:270
278749919481074,750cyclictest1907-21snmpd20:43:420
278749919291027,851cyclictest0-21swapper21:58:330
27874991914936,964cyclictest0-21swapper21:10:090
278749919061038,778cyclictest0-21swapper20:24:160
278749918681014,760cyclictest0-21swapper19:30:100
278749918161026,739cyclictest7598-21kworker/u2:121:44:490
278749917911093,573cyclictest1907-21snmpd19:19:470
278749917661072,694cyclictest0-21swapper21:30:450
278749917471093,654cyclictest0-21swapper00:05:500
278749916621059,512cyclictest27866-21cyclictest20:07:410
278749916361047,498cyclictest9-21ksoftirqd/022:06:150
278749916201097,523cyclictest0-21swapper21:51:310
278749915451083,349cyclictest0-21swapper19:38:530
27874991522990,470cyclictest27866-21cyclictest21:09:090
10141255353,211sleep00-21swapper19:05:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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