You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-25 - 12:55
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot2.osadl.org (updated Wed Mar 25, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27233409910092,6cyclictest2884411-21kworker/u4:3+events_unbound23:40:151
2723339998440,9cyclictest0-21swapper/000:10:330
2723339998073,5cyclictest53-21kswapd022:25:130
2723339997566,7cyclictest2858168-21kworker/u4:1+events_unbound23:15:010
2723340997365,6cyclictest2853690-21kworker/u4:10+events_unbound23:32:101
2723339997366,5cyclictest2888856-21kworker/u4:8+events_unbound23:42:120
2723339997164,5cyclictest2867161-21kworker/u4:4+events_unbound23:22:070
2723339997162,7cyclictest2853694-21kworker/u4:13+events_unbound23:27:090
2723340996960,6cyclictest2742554-21kworker/u4:5+events_unbound20:45:011
2723339996960,6cyclictest2928073-21kworker/u4:3+events_unbound00:32:220
2723340996658,6cyclictest2778927-21kworker/u4:1+events_unbound21:50:121
2723339996557,6cyclictest2849178-21kworker/u4:7+events_unbound23:07:040
2723340996353,7cyclictest2723338-21cyclictest22:48:361
2723339996355,6cyclictest53-21kswapd022:20:000
2723340996252,8cyclictest2727132-21systemd19:21:201
2723340996052,6cyclictest2511487-21kworker/u4:7+events_unbound19:46:251
2723340995949,7cyclictest0-21swapper/122:25:151
2723340995850,6cyclictest2774460-21kworker/u4:7+events_unbound21:35:141
2723340995849,6cyclictest2736060-21kworker/u4:0+events_unbound20:16:311
2723339995844,6cyclictest2778927-21kworker/u4:1+events_unbound21:40:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional