You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-27 - 05:08
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Sat Dec 27, 2025 00:47:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
782963233013278,16sleep50-21swapper/519:05:255
78271721004982,10sleep1762277-21kworker/1:2+events@
dbs_work_handler
19:05:211
7841629914260,62cyclictest985620-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:27:530
7841629914260,62cyclictest985620-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:27:530
7841629914094,39cyclictest877821-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
21:55:590
7841629913623,77cyclictest781782-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
19:22:090
78416299131112,15cyclictest210-21kswapd022:30:170
78416299131112,15cyclictest210-21kswapd022:30:170
7841629912397,19cyclictest1012148-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:47:140
7841629912397,19cyclictest1012148-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:47:130
7841629912095,19cyclictest985620-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:57:410
7841629912032,59cyclictest810113-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:20:370
7841629912032,59cyclictest810113-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
20:20:370
78416299120101,15cyclictest210-21kswapd022:35:270
7841629911494,16cyclictest210-21kswapd023:10:000
784162991145,4cyclictest14550irq/98-imx_mu_c22:17:310
784162991145,4cyclictest14550irq/98-imx_mu_c22:17:300
78419499113100,7cyclictest946095-21ssh22:50:014
784162991135,96cyclictest0-21swapper/023:10:310
7841949911299,7cyclictest932185-21ssh22:37:034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional