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2026-05-16 - 10:35
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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 Sat May 16, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193969910665253443,53144cyclictest0-21swapper21:41:410
193969910665253431,53156cyclictest9-21ksoftirqd/019:26:420
193969910663153460,53171cyclictest0-21swapper00:37:220
193969910660853466,53142cyclictest0-21swapper20:29:200
193969910651653470,53046cyclictest0-21swapper19:43:570
193969910649753472,53025cyclictest0-21swapper23:41:360
193969910649153457,53034cyclictest0-21swapper20:02:330
193969910646853412,53056cyclictest0-21swapper22:36:370
193969910645653446,53010cyclictest0-21swapper00:25:080
193969910642653442,52984cyclictest0-21swapper20:19:280
193969910642253467,52891cyclictest9-21ksoftirqd/020:33:320
193969910640653423,52983cyclictest0-21swapper21:34:090
193969910636553470,52895cyclictest0-21swapper19:47:080
193969910635053400,52886cyclictest1806-21kworker/0:322:49:310
193969910631453481,52769cyclictest9-21ksoftirqd/023:24:110
193969910628653432,52854cyclictest0-21swapper19:23:110
193969910627253393,52814cyclictest0-21swapper21:20:450
193969910625953415,52844cyclictest0-21swapper20:38:130
193969910625753447,52810cyclictest0-21swapper20:42:240
193969910625453414,52840cyclictest0-21swapper19:57:310
193969910622153409,52746cyclictest0-21swapper20:13:260
193969910616653406,52760cyclictest0-21swapper19:15:090
193969910614053392,52748cyclictest0-21swapper20:05:340
193969910587252982,52888cyclictest16253-21ssh22:11:500
193969910534053026,52311cyclictest0-21swapper23:58:210
193969910510052997,52101cyclictest9-21ksoftirqd/000:11:340
19396995383453396,438cyclictest0-21swapper23:04:250
19396995363225,70cyclictest9-21ksoftirqd/022:55:430
19396995349125,53375cyclictest9-21ksoftirqd/023:55:000
19396995347727,53450cyclictest0-21swapper00:08:440
19396995341425,53389cyclictest0-21swapper00:03:320
19396995324827,53221cyclictest0-21swapper23:39:550
19396995316326,384cyclictest0-21swapper00:32:100
19396995313127,53038cyclictest0-21swapper23:19:500
19396995312826,53009cyclictest0-21swapper20:46:550
19396995295925,52934cyclictest0-21swapper22:34:060
19396995293852905,31cyclictest0-21swapper22:53:420
1939699521049,52093cyclictest0-21swapper23:45:570
193969945122702,1800cyclictest2679-21devkit-power-da22:03:380
193969924771078,1272cyclictest19459-21ssh22:16:210
193969922691094,1075cyclictest13068-21ssh22:07:190
193969922101031,1179cyclictest0-21swapper21:50:340
193969921971090,1009cyclictest3261-21gnome-power-man19:35:050
193969921881090,1007cyclictest19389-21cyclictest23:11:470
19396992169996,1053cyclictest3950irq/9-acpi21:48:330
193969921101051,961cyclictest9487-21ssh21:15:140
193969921021061,943cyclictest3950irq/9-acpi23:06:060
193969920801030,1016cyclictest0-21swapper00:16:560
193969920471067,886cyclictest0-21swapper20:21:480
193969920391093,822cyclictest1828-21hald-addon-acpi21:00:090
193969920161026,990cyclictest0-21swapper21:11:020
193969919841057,830cyclictest23147-21ssh22:21:530
193969919671048,794cyclictest8923-21ssh00:24:280
19396991940934,972cyclictest0-21swapper20:55:280
193969919221009,892cyclictest0-21swapper21:37:000
19396991912927,951cyclictest0-21swapper19:33:240
193969918811053,735cyclictest134850irq/9-eth023:30:120
19396991879958,907cyclictest19389-21cyclictest22:27:440
193969918641037,827cyclictest0-21swapper22:41:180
193969916571085,505cyclictest0-21swapper19:54:100
193969916261085,541cyclictest0-21swapper21:05:410
193969915901007,489cyclictest0-21swapper19:14:490
193969915891084,505cyclictest0-21swapper21:29:380
193969915801016,498cyclictest0-21swapper20:52:170
193969915601105,390cyclictest0-21swapper23:28:420
193969914851042,406cyclictest6391-21ssh21:57:360
745122010,2sleep07447-21grep19:07:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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