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2026-03-16 - 23:15
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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 100 highest latencies:
System rack6slot6 (updated Mon Mar 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305949910739753436,53839cyclictest15423-21diskmemload10:53:440
305949910710753483,53534cyclictest9-21ksoftirqd/009:56:270
305949910670753428,53279cyclictest0-21swapper07:41:480
305949910667253418,53161cyclictest0-21swapper07:27:140
305949910656553453,53112cyclictest0-21swapper08:46:170
305949910656053416,53144cyclictest0-21swapper07:20:520
305949910655453476,52981cyclictest2099-21runrttasks08:26:010
305949910654953473,53076cyclictest0-21swapper07:18:220
305949910654753443,53104cyclictest0-21swapper10:35:180
305949910654253375,53104cyclictest9-21ksoftirqd/011:28:140
305949910652053433,53087cyclictest0-21swapper08:24:510
305949910651253390,53122cyclictest0-21swapper10:06:200
305949910650553474,53031cyclictest0-21swapper07:56:230
305949910646653459,53007cyclictest0-21swapper10:47:420
305949910646253447,53015cyclictest0-21swapper11:47:490
305949910644653445,53001cyclictest0-21swapper11:12:290
305949910644353443,53000cyclictest0-21swapper10:17:430
305949910644353431,53012cyclictest0-21swapper10:28:260
305949910644153439,53002cyclictest0-21swapper11:56:020
305949910643953444,52995cyclictest0-21swapper10:30:370
305949910642653432,52994cyclictest0-21swapper09:21:270
305949910641653430,52986cyclictest0-21swapper07:37:270
305949910641653424,52992cyclictest0-21swapper09:10:040
305949910640753426,52981cyclictest0-21swapper11:35:360
305949910640253422,52980cyclictest0-21swapper07:54:120
305949910636653392,52877cyclictest15423-21diskmemload12:13:170
305949910628853380,52816cyclictest0-21swapper08:15:580
305949910625753387,52805cyclictest0-21swapper11:40:070
305949910624753374,52809cyclictest9-21ksoftirqd/008:03:250
305949910624653409,52746cyclictest0-21swapper12:34:330
305949910624253370,52808cyclictest9-21ksoftirqd/008:10:370
305949910623153478,52753cyclictest0-21swapper07:46:400
305949910619853465,52733cyclictest0-21swapper08:05:350
305949910618353454,52729cyclictest0-21swapper08:54:490
305949910507952972,52106cyclictest0-21swapper09:50:150
30594995385353415,438cyclictest0-21swapper11:21:320
30594995379053456,334cyclictest0-21swapper12:25:500
30594995375653421,271cyclictest134850irq/9-eth009:27:290
3059499536917,614cyclictest0-21swapper12:06:050
30594995363526,53489cyclictest0-21swapper09:37:320
3059499536247,0cyclictest0-21swapper10:14:320
3059499535445,53539cyclictest0-21swapper09:42:430
30594995353853386,152cyclictest0-21swapper12:19:280
30594995344925,0cyclictest0-21swapper12:35:030
30594995324326,0cyclictest0-21swapper07:13:300
30594995312826,53102cyclictest0-21swapper08:35:440
30594995271818,52676cyclictest26258-21ssh11:01:560
3059499526906,52684cyclictest0-21swapper08:42:160
305949952262684,2539cyclictest1741-21hald10:04:500
305949923521062,1166cyclictest15423-21diskmemload12:21:290
305949923171093,1174cyclictest12752-21ssh10:41:300
305949922081099,983cyclictest9-21ksoftirqd/010:22:150
305949921871090,970cyclictest22913-21ssh10:56:550
305949921061051,930cyclictest9509-21ssh09:49:050
305949920971043,1034cyclictest0-21swapper11:05:270
305949920421017,991cyclictest0-21swapper11:15:100
30594992012985,1006cyclictest0-21swapper09:04:420
30594991950962,974cyclictest0-21swapper11:53:310
305949919421080,862cyclictest0-21swapper07:34:560
30594991851967,864cyclictest3950irq/9-acpi11:32:350
305949917891084,705cyclictest0-21swapper12:01:230
305949917521096,656cyclictest0-21swapper09:09:240
305949916391090,456cyclictest0-21swapper08:57:500
305949916331021,575cyclictest30326-21ssh09:30:500
30594991608786,818cyclictest0-21swapper09:17:060
305949915311075,337cyclictest0-21swapper08:33:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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