You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-29 - 08:43
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot4.osadl.org (updated Wed May 29, 2024 00:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19915202368352,4sleep30-21swapper/319:06:419
19916192357311,15sleep60-21swapper/619:08:0412
19915322357313,15sleep150-21swapper/1519:06:537
19916022345321,15sleep70-21swapper/719:07:4913
19916172344321,15sleep40-21swapper/419:08:0310
19915752343318,16sleep50-21swapper/519:07:3211
19915282343320,15sleep110-21swapper/1119:06:493
19915132343319,15sleep130-21swapper/1319:06:365
19914832342298,33sleep80-21swapper/819:06:1414
19916922341317,15sleep00-21swapper/019:09:040
19914522341317,15sleep140-21swapper/1419:05:476
19916872340315,16sleep120-21swapper/1219:08:594
19915532339315,15sleep10-21swapper/119:07:111
19917042337315,13sleep100-21swapper/1019:09:132
19916352337312,15sleep20-21swapper/219:08:168
19905152337314,14sleep90-21swapper/919:05:2615
199217799414,36cyclictest0-21swapper/1500:17:507
199217799404,13cyclictest0-21swapper/1520:27:117
199217799394,12cyclictest0-21swapper/1522:17:027
199217799394,12cyclictest0-21swapper/1521:22:077
199217799394,12cyclictest0-21swapper/1521:22:067
199217799383,12cyclictest0-21swapper/1519:43:157
199217799360,36cyclictest0-21swapper/1521:11:087
199217199333,27cyclictest0-21swapper/1319:10:595
199215199330,29cyclictest0-21swapper/722:06:0613
199215199330,29cyclictest0-21swapper/720:18:2213
199215199330,29cyclictest0-21swapper/700:08:4613
199212899330,32cyclictest0-21swapper/000:10:170
1992167993226,1cyclictest3328766-21snmpd20:14:364
199215199321,28cyclictest2173132-21ntpq22:35:2913
199215199320,28cyclictest0-21swapper/720:55:5913
199215199320,28cyclictest0-21swapper/720:52:3113
199215199320,28cyclictest0-21swapper/720:45:4213
199215199310,27cyclictest0-21swapper/723:51:3413
199215199310,27cyclictest0-21swapper/723:41:4213
199215199310,27cyclictest0-21swapper/722:41:1913
1992144993129,1cyclictest2138162-21kworker/u32:2+flush-259:022:25:1511
1992167993027,3cyclictest3328766-21snmpd00:11:254
199215199300,2cyclictest2204259-21kworker/u32:0+flush-259:000:24:1613
199215199300,29cyclictest0-21swapper/723:04:1513
199215199300,26cyclictest0-21swapper/723:38:1613
199215199300,26cyclictest0-21swapper/720:35:2613
199215199300,26cyclictest0-21swapper/719:23:4213
199215199300,26cyclictest0-21swapper/700:37:5813
1992138993029,1cyclictest2164760-21kworker/u32:0+flush-259:022:35:259
199217799294,1cyclictest0-21swapper/1523:55:527
1992171992927,2cyclictest3328766-21snmpd23:03:445
1992171992927,1cyclictest3328766-21snmpd23:28:365
1992171992925,3cyclictest3328766-21snmpd19:40:455
1992167992927,2cyclictest0-21swapper/1221:22:144
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional