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2024-06-22 - 05:01
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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 100 highest latencies:
System rack0slot8.osadl.org (updated Fri Jun 21, 2024 12:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19695499944516,0cyclictest0-21swapper/1409:05:586
1969542994357,0cyclictest0-21swapper/809:05:5714
196955099368366,0cyclictest0-21swapper/1509:05:587
196954899351348,1cyclictest1271552-21Xorg09:05:585
19695349925466,65cyclictest19914061kworker/u64:0+i915@
__i915_gem_free_work
19:57:230
19695349925365,65cyclictest2207546-21kworker/u64:1+i915@
__i915_gem_free_work
09:47:290
1969550991910,68cyclictest0-21swapper/1510:47:407
196953899144141,1cyclictest631rcuc/410:13:1510
196954599141137,2cyclictest1351rcuc/1111:38:583
1969534991400,139cyclictest0-21swapper/011:35:100
196953799139137,1cyclictest511irq_work/309:42:209
1969534991340,0cyclictest0-21swapper/008:05:150
1969548991320,1cyclictest0-21swapper/1311:35:105
1969534991320,129cyclictest0-21swapper/012:11:130
19695349913167,2cyclictest2170946-21kworker/u64:5+i915@
__i915_gem_free_work
07:30:110
1969534991310,129cyclictest0-21swapper/011:50:540
1969537991300,0cyclictest0-21swapper/311:35:099
1969534991300,128cyclictest0-21swapper/011:20:170
1969548991292,1cyclictest3694044-21vncviewer12:30:015
1969548991292,1cyclictest3694044-21vncviewer12:30:015
1969534991290,1cyclictest0-21swapper/008:37:100
1969542991280,1cyclictest0-21swapper/811:46:2514
1969535991280,1cyclictest0-21swapper/112:11:551
1969543991270,125cyclictest0-21swapper/907:36:0015
1969543991270,124cyclictest0-21swapper/912:35:4315
1969543991270,124cyclictest0-21swapper/912:35:4315
1969541991270,1cyclictest0-21swapper/710:47:4013
1969541991270,0cyclictest0-21swapper/712:11:5413
1969539991270,0cyclictest0-21swapper/511:35:1011
1969547991260,0cyclictest0-21swapper/1212:35:524
1969547991260,0cyclictest0-21swapper/1212:35:524
1969545991260,0cyclictest0-21swapper/1112:11:553
1969544991260,1cyclictest0-21swapper/1011:46:252
1969543991260,1cyclictest0-21swapper/912:05:0215
1969543991260,1cyclictest0-21swapper/908:25:1815
1969542991260,0cyclictest0-21swapper/812:35:5214
1969542991260,0cyclictest0-21swapper/812:35:5214
1969541991260,1cyclictest0-21swapper/712:30:0113
1969541991260,1cyclictest0-21swapper/712:30:0113
1969541991260,1cyclictest0-21swapper/712:05:0213
1969539991260,1cyclictest0-21swapper/512:11:5511
1969537991260,1cyclictest0-21swapper/312:11:559
1969536991260,1cyclictest0-21swapper/211:46:258
1969535991260,1cyclictest0-21swapper/111:25:031
1969535991260,0cyclictest0-21swapper/110:47:401
196955099125122,1cyclictest0-21swapper/1508:05:147
1969545991250,0cyclictest0-21swapper/1112:30:003
1969545991250,0cyclictest0-21swapper/1112:30:003
1969545991250,0cyclictest0-21swapper/1110:47:403
196954399125117,7cyclictest1271552-21Xorg11:35:0915
1969540991250,0cyclictest0-21swapper/612:35:5212
1969540991250,0cyclictest0-21swapper/612:35:5212
1969538991250,0cyclictest0-21swapper/411:46:2410
1969537991250,0cyclictest0-21swapper/310:47:409
1969536991250,0cyclictest0-21swapper/212:35:528
1969536991250,0cyclictest0-21swapper/212:35:518
1969535991250,1cyclictest1271970-21gnome-shell11:55:051
1969535991250,0cyclictest0-21swapper/112:05:011
1969535991250,0cyclictest0-21swapper/108:25:171
1969550991241,1cyclictest0-21swapper/1508:37:097
1969549991240,0cyclictest0-21swapper/1412:35:526
1969549991240,0cyclictest0-21swapper/1412:35:526
1969548991240,0cyclictest0-21swapper/1312:11:555
1969548991240,0cyclictest0-21swapper/1311:25:045
1969547991240,0cyclictest0-21swapper/1211:46:254
1969545991240,0cyclictest0-21swapper/1112:05:023
1969545991240,0cyclictest0-21swapper/1111:55:043
1969545991240,0cyclictest0-21swapper/1111:25:043
1969545991240,0cyclictest0-21swapper/1108:25:183
1969541991240,0cyclictest0-21swapper/712:35:4313
1969541991240,0cyclictest0-21swapper/712:35:4313
1969541991240,0cyclictest0-21swapper/711:25:0313
1969541991240,0cyclictest0-21swapper/708:25:1713
1969541991240,0cyclictest0-21swapper/707:36:0013
1969540991240,0cyclictest0-21swapper/611:46:2512
1969539991240,0cyclictest0-21swapper/510:47:3911
1969537991240,1cyclictest0-21swapper/311:55:059
1969537991240,0cyclictest0-21swapper/312:05:029
1969537991240,0cyclictest0-21swapper/308:25:189
1969535991240,0cyclictest0-21swapper/112:35:431
1969535991240,0cyclictest0-21swapper/112:35:421
1969548991230,0cyclictest0-21swapper/1312:05:025
1969548991230,0cyclictest0-21swapper/1310:47:395
1969548991230,0cyclictest0-21swapper/1308:25:185
1969541991230,0cyclictest0-21swapper/711:55:0413
1969539991230,0cyclictest0-21swapper/512:05:0211
1969539991230,0cyclictest0-21swapper/511:50:5511
1969539991230,0cyclictest0-21swapper/511:25:0411
1969537991230,0cyclictest0-21swapper/311:25:049
1969550991220,0cyclictest0-21swapper/1511:25:037
1969549991220,1cyclictest0-21swapper/1411:46:246
1969548991220,0cyclictest0-21swapper/1311:55:055
1969542991220,0cyclictest0-21swapper/808:05:1414
1969539991220,0cyclictest0-21swapper/508:25:1811
1969535991220,0cyclictest0-21swapper/107:35:191
196954499119117,1cyclictest1271552-21Xorg07:36:002
196954399119115,4cyclictest1151rcuc/909:42:2015
196954599113107,5cyclictest1271552-21Xorg08:37:093
196954899112107,3cyclictest1271552-21Xorg08:05:155
196954399108105,1cyclictest71550irq/164-i91512:11:1315
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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