You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:42
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 May 02, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818205996642,22cyclictest912604-21kworker/1:123:55:141
818205996642,22cyclictest912604-21kworker/1:123:55:131
818205996562,2cyclictest0-21swapper/119:50:151
818205996561,2cyclictest897456-21awk23:10:001
818205996539,25cyclictest904159-21kworker/1:023:40:151
818205996361,1cyclictest0-21swapper/123:18:191
818205996361,1cyclictest0-21swapper/123:18:181
81820599630,62cyclictest0-21swapper/121:25:481
818205996260,1cyclictest0-21swapper/120:05:111
818205996260,1cyclictest0-21swapper/100:03:181
81820599620,61cyclictest0-21swapper/122:45:061
81820599620,1cyclictest0-21swapper/123:00:281
81820599620,1cyclictest0-21swapper/120:47:181
818205996057,2cyclictest0-21swapper/122:42:481
818205996045,14cyclictest893154-21kworker/1:223:10:181
818205996045,14cyclictest867736-21kworker/1:221:55:001
818205996045,14cyclictest844801-21kworker/1:221:00:201
818205996042,17cyclictest827562-21kworker/1:120:00:161
818205996042,16cyclictest900657-21kworker/1:123:20:161
818205996042,16cyclictest900657-21kworker/1:123:20:151
818205995957,1cyclictest0-21swapper/123:32:121
818205995944,14cyclictest3299681-1kworker/1:1H20:50:251
818205995943,15cyclictest912604-21kworker/1:100:20:001
818205995942,16cyclictest844801-21kworker/1:220:55:191
818205995942,16cyclictest827562-21kworker/1:119:40:221
818205995941,17cyclictest910641-21kworker/1:223:50:181
818205995843,14cyclictest923435-21kworker/1:300:31:471
818205995843,14cyclictest867736-21kworker/1:221:45:211
818205995843,14cyclictest838909-21kworker/1:020:10:181
818205995842,15cyclictest858618-21kworker/1:121:15:141
818205995842,15cyclictest827562-21kworker/1:119:55:041
818205995842,15cyclictest825104-21kworker/1:219:30:151
818205995842,15cyclictest818326-21kworker/1:019:18:491
818205995841,16cyclictest818326-21kworker/1:019:35:131
818205995838,19cyclictest890989-21kworker/1:122:54:591
818205995838,18cyclictest3299681-1kworker/1:1H00:10:001
818205995742,14cyclictest923435-21kworker/1:300:35:161
818205995742,14cyclictest900657-21kworker/1:123:25:151
818205995742,14cyclictest881321-21kworker/1:022:21:481
818205995742,14cyclictest867736-21kworker/1:222:10:131
818205995742,14cyclictest867736-21kworker/1:221:50:161
818205995742,14cyclictest844801-21kworker/1:220:40:341
818205995742,14cyclictest844801-21kworker/1:220:35:341
818205995741,15cyclictest867736-21kworker/1:222:15:161
818205995738,17cyclictest844801-21kworker/1:221:05:161
818205995735,21cyclictest838909-21kworker/1:020:25:161
818205995735,21cyclictest838909-21kworker/1:020:25:161
818205995647,6cyclictest909394-21fschecks_count23:45:161
818205995642,14cyclictest881321-21kworker/1:022:25:021
818205995641,14cyclictest904159-21kworker/1:023:36:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional