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2024-07-27 - 14:27
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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 Sat Jul 27, 2024 12:46:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8574979921618,79cyclictest0-21swapper/512:20:0011
857499991720,61cyclictest0-21swapper/607:20:1712
857507991650,25cyclictest0-21swapper/1310:44:275
857495991600,20cyclictest871338-21kworker/3:0+i915-unordered@
__intel_wakeref_put_work
02:38:369
857495991570,20cyclictest1025263-21kworker/3:0+i915-unordered@
__intel_wakeref_put_work
00:04:059
857500991470,2cyclictest11384-21thunderbird10:40:0113
857510991450,0cyclictest0-21swapper/1510:40:007
857507991450,1cyclictest0-21swapper/1310:40:015
857502991440,1cyclictest0-21swapper/910:40:0115
85749999144142,1cyclictest841rcuc/607:43:5812
857493991430,0cyclictest0-21swapper/110:40:011
857493991330,1cyclictest0-21swapper/108:34:001
857507991320,1cyclictest0-21swapper/1308:34:005
85749999132131,1cyclictest256482-1kworker/u65:2+i915_flip@
intel_atomic_commit_work
11:38:2912
857495991320,1cyclictest0-21swapper/308:34:009
857504991310,0cyclictest0-21swapper/1108:34:003
857502991310,0cyclictest0-21swapper/908:34:0015
857510991300,0cyclictest0-21swapper/1508:33:597
857492991300,129cyclictest0-21swapper/009:26:410
85750099129126,1cyclictest941rcuc/712:34:0113
857500991290,0cyclictest0-21swapper/708:34:0013
85749999129128,1cyclictest841rcuc/611:43:3112
857495991290,125cyclictest0-21swapper/309:15:299
857500991281,1cyclictest3056211-21Isolated23:32:3613
857495991280,125cyclictest0-21swapper/309:55:379
857495991280,125cyclictest0-21swapper/309:55:379
857507991270,1cyclictest0-21swapper/1309:15:295
857501991260,1cyclictest0-21swapper/809:26:4114
857493991260,0cyclictest0-21swapper/108:27:001
857504991250,0cyclictest0-21swapper/1109:55:373
857504991250,0cyclictest0-21swapper/1109:55:373
857504991250,0cyclictest0-21swapper/1109:15:293
857504991250,0cyclictest0-21swapper/1108:27:003
857502991250,0cyclictest1131irq_work/909:55:3715
857502991250,0cyclictest1131irq_work/909:55:3615
857502991250,0cyclictest0-21swapper/909:15:2915
857502991250,0cyclictest0-21swapper/908:27:0015
857493991250,0cyclictest0-21swapper/109:55:371
857493991250,0cyclictest0-21swapper/109:55:361
857493991250,0cyclictest0-21swapper/109:15:291
857510991240,0cyclictest0-21swapper/1509:15:297
857510991240,0cyclictest0-21swapper/1508:27:007
857505991240,0cyclictest0-21swapper/1209:26:414
857500991240,0cyclictest0-21swapper/709:55:3713
857500991240,0cyclictest0-21swapper/709:55:3713
857500991240,0cyclictest0-21swapper/708:27:0013
857497991240,0cyclictest0-21swapper/509:26:4111
857492991240,120cyclictest0-21swapper/010:40:000
857510991230,0cyclictest0-21swapper/1509:55:377
857510991230,0cyclictest0-21swapper/1509:55:377
857507991230,2cyclictest11384-21thunderbird12:20:015
85749999123120,2cyclictest11384-21thunderbird12:20:0012
857497991230,0cyclictest0-21swapper/508:26:5911
857496991230,0cyclictest0-21swapper/409:26:4110
857492991230,120cyclictest0-21swapper/011:30:010
857504991220,1cyclictest0-21swapper/1112:20:003
857503991220,1cyclictest0-21swapper/1010:40:012
857503991220,0cyclictest0-21swapper/1009:26:402
857497991220,0cyclictest0-21swapper/509:55:3711
857497991220,0cyclictest0-21swapper/509:55:3711
857497991220,0cyclictest0-21swapper/509:15:2811
857493991220,1cyclictest0-21swapper/112:20:001
857505991210,0cyclictest0-21swapper/1210:40:014
85750499121116,4cyclictest2537944-21gnome-shell11:25:073
857502991210,1cyclictest1135044-21date12:20:0015
857501991210,0cyclictest0-21swapper/810:40:0014
857510991200,0cyclictest0-21swapper/1512:20:007
857500991200,0cyclictest0-21swapper/712:20:0013
857496991200,0cyclictest0-21swapper/410:40:0110
857504991190,2cyclictest0-21swapper/1109:10:183
857501991190,2cyclictest0-21swapper/809:10:1814
857492991190,119cyclictest0-21swapper/007:20:170
857503991180,2cyclictest0-21swapper/1009:10:182
857504991170,1cyclictest0-21swapper/1111:55:013
857502991170,1cyclictest0-21swapper/911:55:0115
857496991170,1cyclictest0-21swapper/409:10:1810
85749599117116,1cyclictest71050irq/164-i91509:26:419
857494991170,2cyclictest0-21swapper/209:10:188
857507991160,1cyclictest0-21swapper/1309:10:185
857505991160,1cyclictest0-21swapper/1209:10:184
857502991160,1cyclictest0-21swapper/909:10:1815
857501991160,2cyclictest0-21swapper/811:25:0614
857501991160,1cyclictest0-21swapper/811:30:0114
857499991160,0cyclictest0-21swapper/611:55:0112
857507991150,0cyclictest0-21swapper/1311:55:015
857505991150,0cyclictest0-21swapper/1211:30:014
857499991150,1cyclictest0-21swapper/609:10:1812
857496991150,1cyclictest0-21swapper/411:30:0110
857493991150,1cyclictest0-21swapper/109:10:181
857493991150,0cyclictest0-21swapper/111:55:011
857510991140,1cyclictest0-21swapper/1509:10:187
857510991140,0cyclictest0-21swapper/1511:55:017
857505991140,1cyclictest0-21swapper/1211:25:074
857503991140,0cyclictest0-21swapper/1011:30:012
857501991140,0cyclictest0-21swapper/807:20:1714
857500991140,1cyclictest0-21swapper/711:55:0013
857500991140,1cyclictest0-21swapper/709:10:1813
857496991140,2cyclictest0-21swapper/411:25:0710
857503991130,1cyclictest0-21swapper/1011:25:072
857496991130,0cyclictest0-21swapper/407:20:1710
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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