You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-05 - 16:11
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 rackeslot3.osadl.org (updated Fri Dec 05, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3022118996242,18cyclictest3086197-21kworker/1:211:50:011
3022123996148,11cyclictest1395319-1kworker/3:0H11:45:213
3022118996146,14cyclictest3071020-21kworker/1:110:50:011
3022118996146,14cyclictest3071020-21kworker/1:110:50:001
3022118996145,15cyclictest3086197-21kworker/1:211:55:141
3022118996145,15cyclictest3029507-21kworker/1:208:10:141
302211899610,60cyclictest0-21swapper/108:19:071
3022118996043,15cyclictest3097608-21kworker/1:112:40:001
3022118996041,18cyclictest3057525-21kworker/1:010:10:141
3022118995843,14cyclictest843155-1kworker/1:0H11:54:541
3022118995843,14cyclictest843155-1kworker/1:0H08:29:401
3022118995843,14cyclictest3097608-21kworker/1:112:05:171
3022118995843,14cyclictest3064727-21kworker/1:210:20:141
3022118995843,14cyclictest3054093-21kworker/1:209:55:011
3022118995843,14cyclictest3054093-21kworker/1:209:54:381
3022118995841,16cyclictest3033632-21kworker/1:108:55:111
3022121995748,7cyclictest99490-1kworker/2:2H11:10:012
3022118995743,14cyclictest3033632-21kworker/1:109:09:241
3022118995742,14cyclictest843155-1kworker/1:0H08:39:191
3022118995742,14cyclictest3081067-21kworker/1:111:20:151
3022118995742,14cyclictest3081067-21kworker/1:111:10:211
3022118995742,14cyclictest3064727-21kworker/1:210:29:351
3022118995742,14cyclictest3057525-21kworker/1:010:05:011
3022118995742,14cyclictest3033632-21kworker/1:109:10:111
3022118995741,15cyclictest843155-1kworker/1:0H10:02:591
3022118995741,15cyclictest3029507-21kworker/1:208:09:541
3022118995739,15cyclictest3054093-21kworker/1:209:50:001
3022118995738,18cyclictest3033632-21kworker/1:109:05:011
3022118995642,14cyclictest3024468-21kworker/1:007:25:011
3022118995641,14cyclictest3097608-21kworker/1:112:25:151
3022118995641,14cyclictest3029507-21kworker/1:208:00:011
3022118995641,14cyclictest3024468-21kworker/1:007:25:131
3022118995640,15cyclictest3086197-21kworker/1:211:25:151
3022118995640,15cyclictest3029507-21kworker/1:208:24:111
3022118995640,15cyclictest3029507-21kworker/1:208:24:101
3022118995635,19cyclictest843155-1kworker/1:0H09:30:001
3022115995646,7cyclictest1751615-1kworker/0:0H10:05:150
3022123995551,2cyclictest1395319-1kworker/3:0H12:34:553
3022123995550,3cyclictest1395319-1kworker/3:0H10:00:183
3022118995540,14cyclictest843155-1kworker/1:0H08:34:151
3022118995540,14cyclictest843155-1kworker/1:0H07:39:411
3022118995540,14cyclictest3097608-21kworker/1:112:30:241
3022118995540,14cyclictest3097608-21kworker/1:112:20:151
3022118995540,14cyclictest3097608-21kworker/1:112:20:151
3022118995540,14cyclictest3097608-21kworker/1:112:10:241
3022118995540,14cyclictest3086197-21kworker/1:211:35:391
3022118995540,14cyclictest3086197-21kworker/1:211:34:471
3022118995540,14cyclictest3081067-21kworker/1:111:15:341
3022118995540,14cyclictest3077804-21kworker/1:011:00:161
3022118995540,14cyclictest3057525-21kworker/1:010:15:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional