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2025-07-11 - 23:22
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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 Fri Jul 11, 2025 00:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165533299324323,0cyclictest0-21swapper/1423:31:396
165533299323323,0cyclictest0-21swapper/1400:13:076
165533299322322,0cyclictest0-21swapper/1400:03:586
165532799293289,3cyclictest4115095-21Renderer19:10:015
165532799293289,3cyclictest4115095-21Renderer19:10:005
165532099289283,5cyclictest4115095-21Renderer00:29:033
165528499289289,0cyclictest0-21swapper/219:10:078
165528499289289,0cyclictest0-21swapper/219:10:078
165532799288282,5cyclictest4115095-21Renderer23:42:415
165530499288282,5cyclictest9400-21Xorg00:05:5713
165529999288282,5cyclictest9400-21Xorg19:20:2012
1655320992871,2cyclictest11092-21seamonkey00:15:093
165530499287282,4cyclictest4115095-21Renderer23:28:3413
165529999287280,6cyclictest4115095-21Renderer00:00:0012
165528499287281,5cyclictest4115095-21Renderer23:49:068
1655275992870,286cyclictest0-21swapper/000:22:000
165532799286281,5cyclictest9677-21gnome-shell00:09:585
165532099286281,4cyclictest9400-21Xorg23:50:093
165532099286281,4cyclictest9400-21Xorg23:50:093
1655313992860,1cyclictest0-21swapper/919:17:0715
165529999286282,3cyclictest4115095-21Renderer00:31:4412
1655294992860,1cyclictest0-21swapper/523:41:3711
1655286992860,284cyclictest0-21swapper/300:27:389
165527599286280,5cyclictest4115095-21Renderer19:11:070
165527599286280,5cyclictest4115095-21Renderer19:11:060
1655275992860,1cyclictest0-21swapper/023:54:590
1655275992860,1cyclictest0-21swapper/023:54:580
1655332992850,283cyclictest0-21swapper/1419:18:106
165532099285281,3cyclictest9400-21Xorg23:38:453
165532099285280,4cyclictest9400-21Xorg23:26:433
165529199285280,4cyclictest9400-21Xorg23:59:2510
165528099285281,3cyclictest9400-21Xorg19:20:001
165528099285281,3cyclictest9400-21Xorg00:31:311
165533499284284,0cyclictest0-21swapper/1523:31:407
1655334992840,283cyclictest0-21swapper/1523:28:347
1655334992840,283cyclictest0-21swapper/1500:05:577
165532799284278,5cyclictest4115095-21Renderer00:26:355
165532499284282,2cyclictest9400-21Xorg23:42:244
165531799284280,3cyclictest9400-21Xorg00:20:002
1655280992840,283cyclictest0-21swapper/119:18:031
165533499283283,0cyclictest0-21swapper/1500:13:077
165533499283283,0cyclictest0-21swapper/1500:03:587
165533299283282,0cyclictest0-21swapper/1400:38:066
165533299283282,0cyclictest0-21swapper/1400:38:066
1655332992830,1cyclictest0-21swapper/1423:39:446
165531799283279,3cyclictest4115095-21Renderer00:17:322
1655313992830,1cyclictest0-21swapper/919:14:5915
1655313992830,1cyclictest0-21swapper/919:14:5915
1655294992830,282cyclictest0-21swapper/500:36:5811
1655294992830,282cyclictest0-21swapper/500:36:5811
1655291992830,282cyclictest0-21swapper/423:45:0010
1655284992830,1cyclictest0-21swapper/200:17:158
1655280992830,282cyclictest0-21swapper/100:20:391
165532799282278,3cyclictest4115095-21Renderer00:37:145
165532799282278,3cyclictest4115095-21Renderer00:37:145
165532799282277,4cyclictest4115095-21Renderer00:24:365
165531799282278,3cyclictest9400-21Xorg00:36:012
165531799282278,3cyclictest9400-21Xorg00:36:002
165531399282278,3cyclictest4115095-21Renderer23:56:0915
165530999282277,4cyclictest4115095-21Renderer19:20:0414
165528499282277,4cyclictest9400-21Xorg23:52:468
165528499282277,4cyclictest9400-21Xorg23:52:458
1655332992810,279cyclictest0-21swapper/1400:32:496
165532499281277,3cyclictest9400-21Xorg23:45:014
165530999281278,3cyclictest9400-21Xorg23:46:0514
165530499281277,3cyclictest9400-21Xorg00:25:3113
165529499281276,5cyclictest9400-21Xorg00:27:4011
165529199281279,1cyclictest0-21swapper/423:37:3610
165528699281277,3cyclictest9400-21Xorg23:39:249
165528699281277,3cyclictest4115095-21Renderer19:13:059
165528699281277,3cyclictest4115095-21Renderer19:13:059
165527599281274,5cyclictest9400-21Xorg23:32:530
165533499280280,0cyclictest0-21swapper/1523:40:147
165531799280280,0cyclictest0-21swapper/1019:17:302
165529999280273,6cyclictest9400-21Xorg23:27:2312
165529499280276,4cyclictest9677-21gnome-shell00:12:5811
165529199280276,3cyclictest9400-21Xorg23:44:2310
1655334992790,278cyclictest0-21swapper/1500:25:307
1655332992790,278cyclictest0-21swapper/1423:54:056
1655332992790,278cyclictest0-21swapper/1423:54:056
165531799279275,3cyclictest9400-21Xorg00:11:382
165530999279277,1cyclictest0-21swapper/823:39:5914
165530999279275,3cyclictest9400-21Xorg23:28:2314
165529999279275,3cyclictest4115095-21Renderer23:52:5912
165529999279275,3cyclictest4115095-21Renderer23:52:5912
165529499279278,1cyclictest0-21swapper/500:19:0811
165528699279277,1cyclictest0-21swapper/300:06:249
165528099279278,1cyclictest0-21swapper/100:12:541
165528099279273,6cyclictest1610024-21Renderer23:55:591
165533299278278,0cyclictest0-21swapper/1419:20:026
165530999278276,1cyclictest0-21swapper/800:39:0914
165530999278276,1cyclictest0-21swapper/800:39:0814
165530999278275,2cyclictest0-21swapper/800:13:2914
165530999278273,4cyclictest9400-21Xorg19:19:4914
165528699278274,3cyclictest9400-21Xorg00:31:019
165528099278274,3cyclictest9400-21Xorg00:29:001
165533499277277,0cyclictest0-21swapper/1523:47:007
165533499277277,0cyclictest0-21swapper/1500:33:217
1655332992770,276cyclictest0-21swapper/1423:46:156
1655332992770,276cyclictest0-21swapper/1423:42:446
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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