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2025-11-11 - 07:38
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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 100 highest latencies:
System rack0slot7.osadl.org (updated Tue Nov 11, 2025 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11794099431431,0cyclictest0-21swapper/1422:11:466
11793599383382,1cyclictest0-21swapper/1221:43:314
11793599383382,1cyclictest0-21swapper/1219:12:154
11793599383382,1cyclictest0-21swapper/1219:12:154
11793599382382,0cyclictest0-21swapper/1219:36:214
11792199352350,1cyclictest0-21swapper/822:11:4514
11789999325324,1cyclictest10076-21Xorg20:33:341
11789999318315,2cyclictest705699-21kworker/u64:7+events_unbound22:11:451
11789599312309,2cyclictest3103237-21kworker/0:2+events22:11:450
11789999310308,1cyclictest988998-21kworker/u64:4+events_unbound00:24:381
11793799306303,2cyclictest212869-21kworker/u64:4+events_unbound20:26:215
11794599301301,0cyclictest0-21swapper/1522:11:457
11792199299295,4cyclictest12767-21Renderer19:10:0614
11792199299295,4cyclictest12767-21Renderer19:10:0614
117895992900,283cyclictest0-21swapper/021:04:060
11793799289282,6cyclictest10076-21Xorg21:34:305
11793799289282,6cyclictest10076-21Xorg21:34:305
11791599289282,6cyclictest10076-21Xorg20:55:5812
11789599289282,6cyclictest12767-21Renderer20:27:130
11789599289282,6cyclictest10619-21gnome-shell21:13:580
11789599289282,6cyclictest10076-21Xorg21:28:300
11793599288282,5cyclictest10076-21Xorg21:00:184
117931992880,282cyclictest0-21swapper/1119:30:593
11790399288279,5cyclictest12767-21Renderer00:26:008
11789999288282,5cyclictest10076-21Xorg20:54:251
11789599288281,7cyclictest10076-21Xorg21:50:530
11793799287281,5cyclictest12767-21Renderer21:58:185
11793599287283,3cyclictest1217420-21dd00:18:244
11793599287280,6cyclictest10076-21Xorg00:30:104
11791199287282,4cyclictest12767-21Renderer21:12:0511
11790999287282,4cyclictest12767-21Renderer19:12:1710
11790999287282,4cyclictest12767-21Renderer19:12:1610
11789599287281,5cyclictest10076-21Xorg21:37:310
11793199286281,4cyclictest10076-21Xorg20:38:153
11792999286282,3cyclictest10076-21Xorg19:34:502
11792599286281,4cyclictest10619-21gnome-shell20:23:5915
11792599286281,4cyclictest10619-21gnome-shell20:23:5815
11792199286281,5cyclictest10076-21Xorg00:39:5214
11792199286281,4cyclictest10619-21gnome-shell21:27:5814
11791999286281,4cyclictest12767-21Renderer20:57:3013
11791199286280,5cyclictest10076-21Xorg00:38:3311
11790999286280,6cyclictest10076-21Xorg20:47:1610
11790399286282,3cyclictest10076-21Xorg20:52:368
11789599286279,6cyclictest10076-21Xorg00:38:430
11789599286277,8cyclictest12767-21Renderer20:35:080
117945992850,283cyclictest0-21swapper/1520:39:267
117945992850,283cyclictest0-21swapper/1520:14:507
11792599285280,4cyclictest10076-21Xorg22:11:5915
117925992850,284cyclictest0-21swapper/900:19:2815
11791999285280,4cyclictest12767-21Renderer20:24:0713
11791999285280,4cyclictest12767-21Renderer20:24:0613
11791599285280,4cyclictest12767-21Renderer00:31:4212
117906992850,283cyclictest0-21swapper/319:37:419
11790399285281,3cyclictest10076-21Xorg19:32:498
11794099284283,0cyclictest0-21swapper/1420:46:566
11793599284280,3cyclictest12767-21Renderer21:46:384
11792999284280,3cyclictest12767-21Renderer22:10:322
117929992840,283cyclictest0-21swapper/1022:07:092
117929992840,283cyclictest0-21swapper/1021:25:002
117929992840,283cyclictest0-21swapper/1020:47:002
117929992840,283cyclictest0-21swapper/1019:40:512
117929992840,283cyclictest0-21swapper/1000:25:402
117925992840,283cyclictest0-21swapper/921:07:5815
117921992840,283cyclictest0-21swapper/820:58:4914
117921992840,283cyclictest0-21swapper/820:46:3714
117909992840,283cyclictest0-21swapper/421:47:3510
117909992840,283cyclictest0-21swapper/421:36:5810
11790699284280,3cyclictest10076-21Xorg00:21:139
117906992840,283cyclictest0-21swapper/319:41:469
11790399284278,5cyclictest12767-21Renderer22:11:388
11789999284279,4cyclictest0-21swapper/100:36:431
11794599283282,0cyclictest0-21swapper/1521:35:187
117945992830,281cyclictest0-21swapper/1521:43:307
117945992830,1cyclictest0-21swapper/1521:33:597
117945992830,1cyclictest0-21swapper/1521:33:597
11793599283280,3cyclictest10619-21gnome-shell20:22:584
11793599283280,3cyclictest10619-21gnome-shell20:22:584
117935992830,282cyclictest0-21swapper/1221:20:594
11793199283278,5cyclictest12767-21Renderer20:15:553
117925992830,282cyclictest0-21swapper/920:51:3415
11792199283278,4cyclictest10076-21Xorg00:17:1914
11792199283278,4cyclictest0-21swapper/820:26:3414
117921992830,1cyclictest0-21swapper/822:02:5414
117921992830,1cyclictest0-21swapper/821:18:2614
11791999283279,3cyclictest10619-21gnome-shell19:44:5813
11791599283277,5cyclictest10076-21Xorg20:20:5512
11791599283277,5cyclictest10076-21Xorg20:20:5412
11790999283279,3cyclictest10076-21Xorg20:15:1410
11790999283279,3cyclictest10076-21Xorg00:18:2910
11790699283280,2cyclictest1186-21systemd-udevd21:24:589
11790399283279,3cyclictest459497-21dd20:44:058
11790399283279,3cyclictest10076-21Xorg21:49:438
11789599283279,3cyclictest0-21swapper/019:37:210
11789599283276,6cyclictest10619-21gnome-shell22:05:590
11794099282281,0cyclictest0-21swapper/1421:00:546
11794099282280,1cyclictest83550irq/144-nvme0q721:32:116
11794099282280,1cyclictest83550irq/144-nvme0q721:32:106
117940992820,280cyclictest0-21swapper/1420:24:596
117940992820,280cyclictest0-21swapper/1420:24:586
11793799282278,4cyclictest10076-21Xorg21:26:305
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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