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2025-11-12 - 12:10
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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 20 highest latencies:
System rack6slot6 (updated Wed Nov 12, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120609910612753070,53054cyclictest1390-21ssh22:11:260
120609910611453420,52694cyclictest0-21swapper20:53:240
120609910610553032,53071cyclictest0-21swapper21:26:130
120609910609453003,53089cyclictest0-21swapper00:01:580
120609910609253026,53064cyclictest0-21swapper20:43:410
120609910603752955,53080cyclictest0-21swapper22:29:320
120609910603152947,53082cyclictest0-21swapper22:35:530
120609910602652933,53091cyclictest0-21swapper21:06:380
120609910601752946,53069cyclictest0-21swapper19:48:450
120609910598652906,53078cyclictest0-21swapper21:21:020
120609910596452929,53033cyclictest0-21swapper19:51:560
120609910587252943,52926cyclictest5545-21sh22:16:480
120609910559452902,52686cyclictest14730-21ssh23:53:560
120609910515353056,52095cyclictest0-21swapper21:00:560
120609910515053054,52094cyclictest0-21swapper20:31:580
120609910514453054,52088cyclictest0-21swapper22:49:570
120609910513153029,52100cyclictest0-21swapper00:13:520
120609910511152985,52123cyclictest26814-21ssh23:26:580
120609910510852997,52109cyclictest0-21swapper21:36:360
120609910510053012,52086cyclictest0-21swapper19:36:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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