You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-02-28 - 00:00
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Characteristics of the 50 highest latencies:
System rackcslot0.osadl.org (updated Tue Feb 27, 2024 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175521860,5sleep14860299cyclictest21:56:046
742521380,6sleep4858799cyclictest23:38:5210
7863212492,27sleep150-21swapper/1519:08:427
7914212192,24sleep100-21swapper/1019:09:252
78882121104,12sleep40-21swapper/419:09:0310
7857211591,18sleep90-21swapper/919:08:3615
7948211492,17sleep80-21swapper/819:09:5514
1255521130,1sleep120-21swapper/1221:34:064
2041921100,1sleep130-21swapper/1300:33:195
171421100,2sleep41704-21memory00:01:5210
2854121090,5sleep3858699cyclictest23:33:469
8079210491,9sleep70-21swapper/719:10:5813
2698021000,0sleep60-21swapper/600:38:0112
235532980,1sleep70-21swapper/700:33:4513
189932960,0sleep50-21swapper/523:16:4111
128702960,1sleep40-21swapper/423:51:4210
237422940,0sleep10-21swapper/121:54:471
18312940,1sleep130-21swapper/1323:34:285
795429378,10sleep120-21swapper/1219:09:594
214442930,0sleep10-21swapper/122:45:361
170442930,2sleep150-21swapper/1522:05:427
788729172,4sleep30-21swapper/319:09:029
784529172,4sleep50-21swapper/519:08:3211
225382910,1sleep110-21swapper/1122:45:463
152302900,1sleep2321ktimersoftd/223:08:218
294902890,1sleep150-21swapper/1523:30:137
236762880,0sleep100-21swapper/1022:02:092
71682870,1sleep20-21swapper/223:38:508
786228672,4sleep140-21swapper/1419:08:416
26442860,2sleep10859799cyclictest22:11:472
784228572,9sleep20-21swapper/219:08:298
72002850,0sleep110-21swapper/1120:26:423
795528472,8sleep130-21swapper/1319:10:005
237082840,1sleep8811ktimersoftd/822:49:4314
180202840,0sleep50-21swapper/500:41:1211
779028375,4sleep60-21swapper/619:07:4512
778528375,4sleep10-21swapper/119:07:401
243862830,1sleep150-21swapper/1523:52:577
780128274,4sleep00-21swapper/019:07:550
303152820,1sleep100-21swapper/1023:46:112
463228072,4sleep110-21swapper/1119:06:303
326552770,0sleep130-21swapper/1323:37:575
317152700,6sleep7859199cyclictest21:13:2513
189762660,1sleep00-21swapper/021:34:580
147762550,0sleep90-21swapper/923:48:0315
859799520,43cyclictest0-21swapper/1023:09:492
859799501,42cyclictest0-21swapper/1021:30:072
859799500,41cyclictest0-21swapper/1023:28:082
859799491,37cyclictest1029-21gdbus21:47:102
859799490,42cyclictest0-21swapper/1023:36:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional