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2025-09-15 - 23:01
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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 Mon Sep 15, 2025 00:46:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99836599379378,0cyclictest0-21swapper/1500:14:577
99836599377377,0cyclictest0-21swapper/1500:15:407
99836599377376,0cyclictest0-21swapper/1523:27:127
99836599377376,0cyclictest0-21swapper/1523:21:587
99836599376376,0cyclictest0-21swapper/1523:40:547
99836599376376,0cyclictest0-21swapper/1520:51:237
99836599376376,0cyclictest0-21swapper/1500:21:487
99835899373373,0cyclictest0-21swapper/1323:26:475
99834999300296,3cyclictest817627-21Xorg19:10:0612
99834899288282,5cyclictest836439-21Renderer20:40:1211
99834799288282,5cyclictest836439-21Renderer00:00:0610
99834499288282,5cyclictest817627-21Xorg00:15:581
998344992880,1cyclictest0-21swapper/123:22:311
99835399287283,3cyclictest836439-21Renderer21:03:062
99835099287282,4cyclictest817897-21gnome-shell00:18:5913
99834999287281,5cyclictest836439-21Renderer20:09:5112
99834999287281,5cyclictest817627-21Xorg23:44:0312
99834899287282,4cyclictest817897-21gnome-shell20:50:5811
99834799287283,3cyclictest817627-21Xorg23:46:4410
99834799287283,3cyclictest817627-21Xorg23:46:4410
99834199287281,5cyclictest836439-21Renderer23:27:360
99834199287280,6cyclictest836439-21Renderer23:31:540
99835899286282,3cyclictest836439-21Renderer00:17:065
99835899286281,4cyclictest836439-21Renderer00:25:055
99835599286282,3cyclictest836439-21Renderer23:50:124
99835099286281,4cyclictest836439-21Renderer23:45:4413
99835099286281,4cyclictest836439-21Renderer23:45:4313
998347992860,285cyclictest0-21swapper/400:28:4910
99834699286282,3cyclictest817627-21Xorg20:54:079
99834699286280,5cyclictest836439-21Renderer20:23:029
998345992860,283cyclictest0-21swapper/220:12:388
99835899285280,4cyclictest836439-21Renderer20:38:165
99835899285280,4cyclictest836439-21Renderer00:24:535
99835599285279,5cyclictest817627-21Xorg20:28:434
99835599285279,5cyclictest817627-21Xorg20:28:434
998355992850,1cyclictest0-21swapper/1221:03:564
99835299285279,4cyclictest817627-21Xorg20:06:3215
998344992850,284cyclictest0-21swapper/120:40:591
998362992840,1cyclictest0-21swapper/1420:58:476
99835899284280,3cyclictest817897-21gnome-shell20:27:595
99835899284280,3cyclictest817897-21gnome-shell20:27:585
998358992840,1cyclictest0-21swapper/1320:54:365
998358992840,1cyclictest0-21swapper/1320:48:555
99835599284280,3cyclictest817627-21Xorg00:29:394
998353992840,283cyclictest0-21swapper/1020:39:002
998352992840,283cyclictest0-21swapper/923:43:1215
99834999284278,5cyclictest836439-21Renderer20:47:5812
99834899284280,3cyclictest817627-21Xorg20:57:1611
99834899284279,4cyclictest836439-21Renderer20:35:0911
99834499284279,4cyclictest817627-21Xorg20:10:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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