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2025-01-14 - 06:15
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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 Tue Jan 14, 2025 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11774499932327,7cyclictest961422-21WRWorkerLP#023:10:1710
1177475992977,4cyclictest0-21swapper/1223:10:174
1177434992900,2cyclictest0-21swapper/019:23:160
1177469992870,286cyclictest0-21swapper/1023:58:572
1177463992870,286cyclictest0-21swapper/823:49:3214
117745599287280,6cyclictest961417-21Renderer00:27:0512
117746999286282,3cyclictest9366-21Xorg23:50:092
117746599286282,4cyclictest961417-21Renderer23:57:1715
1177451992860,285cyclictest0-21swapper/500:08:3911
117744499286281,4cyclictest961417-21Renderer23:44:319
1177444992860,1cyclictest0-21swapper/300:17:419
1177434992860,285cyclictest0-21swapper/000:37:090
117747999285282,2cyclictest9366-21Xorg00:06:415
1177479992850,284cyclictest0-21swapper/1300:11:055
117747599285283,2cyclictest961417-21Renderer23:47:124
117747599285278,2cyclictest961417-21Renderer00:22:044
117746999285284,1cyclictest0-21swapper/1000:01:532
117743799285280,4cyclictest961417-21Renderer00:03:391
117748599284282,1cyclictest0-21swapper/1523:51:297
117748399284282,1cyclictest0-21swapper/1423:49:546
117747999284279,4cyclictest9366-21Xorg23:47:395
117747399284279,4cyclictest9777-21gnome-shell23:45:593
1177473992840,283cyclictest0-21swapper/1100:34:283
1177469992840,283cyclictest0-21swapper/1000:07:152
117746399284281,2cyclictest9366-21Xorg23:58:3014
1177463992840,283cyclictest0-21swapper/800:10:4014
117745599284281,2cyclictest9366-21Xorg23:43:3812
117745599284280,4cyclictest9366-21Xorg19:22:5712
117745199284282,2cyclictest9366-21Xorg00:31:5311
1177451992840,1cyclictest0-21swapper/523:51:3911
117744999284282,2cyclictest961417-21Renderer00:31:4610
1177449992840,1cyclictest3614774-21python300:29:4610
1177444992840,283cyclictest0-21swapper/300:08:199
1177444992840,1cyclictest0-21swapper/323:58:209
1177441992840,283cyclictest0-21swapper/200:29:538
117743799284280,4cyclictest961417-21Renderer23:57:571
117743799284279,4cyclictest9366-21Xorg23:49:291
1177483992830,281cyclictest0-21swapper/1400:07:016
117747399283280,2cyclictest74546-21Renderer00:15:543
117746999283279,3cyclictest0-21swapper/1000:28:052
1177469992830,282cyclictest0-21swapper/1000:24:222
117746599283279,3cyclictest0-21swapper/900:16:2115
1177465992830,1cyclictest0-21swapper/900:01:3815
117746399283278,4cyclictest74546-21Renderer23:54:2214
117745199283278,4cyclictest0-21swapper/500:23:0411
1177451992830,1cyclictest0-21swapper/523:50:0011
117744199283281,2cyclictest9366-21Xorg19:23:268
117748399282280,1cyclictest0-21swapper/1400:38:096
117748399282280,1cyclictest0-21swapper/1400:33:436
117746399282277,4cyclictest0-21swapper/800:37:2914
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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