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2025-06-24 - 17:43
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot7.osadl.org (updated Tue Jun 24, 2025 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289237699392392,0cyclictest0-21swapper/319:36:489
289237699391391,0cyclictest0-21swapper/322:26:009
289240899375372,3cyclictest91150irq/162-i91522:26:255
2892411993480,347cyclictest0-21swapper/1422:25:426
2892411993480,347cyclictest0-21swapper/1419:38:596
2892411993480,347cyclictest0-21swapper/1419:19:586
289238299330328,2cyclictest0-21swapper/522:26:2611
289240199326323,3cyclictest4131216-21kworker/u64:4+i915-dp22:26:253
289239299288281,6cyclictest12079-21Xorg19:20:0314
289240699287283,3cyclictest12079-21Xorg19:12:434
289237299287281,6cyclictest3900192-21Renderer19:36:468
289236699286279,6cyclictest0-21swapper/019:20:020
289240199285280,4cyclictest3900192-21Renderer19:22:473
289237699285281,3cyclictest3900192-21Renderer19:25:489
289237699285281,3cyclictest3900192-21Renderer19:25:479
289240899284279,4cyclictest0-21swapper/1319:33:145
289240699284279,4cyclictest12338-21gnome-shell19:22:594
2892408992830,1cyclictest0-21swapper/1319:21:585
289238299283279,3cyclictest0-21swapper/519:24:0311
289237299281277,3cyclictest3900192-21Renderer19:34:578
289237699280278,1cyclictest0-21swapper/319:14:229
289237699280276,3cyclictest3900192-21Renderer19:16:409
289240899279277,2cyclictest0-21swapper/1319:36:435
289238299279273,5cyclictest12079-21Xorg19:28:2411
289238299279273,5cyclictest12079-21Xorg19:28:2311
289238099279274,4cyclictest3900192-21Renderer19:10:2910
289237099279278,1cyclictest0-21swapper/119:14:521
289240199278275,3cyclictest3900192-21Renderer19:19:403
289240099278275,2cyclictest0-21swapper/1019:38:012
289239699277272,4cyclictest0-21swapper/919:32:4315
289237099277274,3cyclictest12079-21Xorg19:39:591
289241199276275,1cyclictest0-21swapper/1419:30:046
289240199276271,4cyclictest3900192-21Renderer19:34:403
289239099276271,4cyclictest12079-21Xorg19:10:0013
289240099274272,1cyclictest13973-21seamonkey19:31:432
289238299274272,2cyclictest0-21swapper/519:34:3311
289238099274272,1cyclictest0-21swapper/419:22:5810
289237699274273,1cyclictest0-21swapper/319:22:449
289237099274270,3cyclictest12079-21Xorg19:19:121
289240899273266,6cyclictest12079-21Xorg19:14:335
289240099271267,3cyclictest12079-21Xorg19:15:022
289240199270267,3cyclictest0-21swapper/1119:37:443
289240099270269,1cyclictest0-21swapper/1019:28:102
289240099270269,1cyclictest0-21swapper/1019:28:092
289240099270266,3cyclictest12079-21Xorg19:14:022
289237099270269,1cyclictest0-21swapper/119:27:131
289237099270269,1cyclictest0-21swapper/119:27:121
289236699269263,5cyclictest12079-21Xorg19:30:030
289241599268266,1cyclictest0-21swapper/1519:19:037
289239699267265,1cyclictest0-21swapper/919:37:3315
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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