You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 23:09
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot2.osadl.org (updated Thu Nov 27, 2025 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24891912229176,43sleep30-21swapper/307:08:223
24892852228200,19sleep20-21swapper/207:09:332
24891982228199,19sleep00-21swapper/007:08:280
24890752224196,19sleep10-21swapper/107:06:511
2489509991081,3cyclictest2728005-21chrome11:45:012
27594762960,1sleep20-21swapper/212:20:062
248951299870,52cyclictest2572506-21snmp_wanpowerct08:45:023
248951299647,56cyclictest2449751-21kworker/u8:1+efi_rts_wq07:34:453
248950299632,60cyclictest2449751-21kworker/u8:1+efi_rts_wq07:34:430
2489502996247,13cyclictest2728054-21/usr/share/muni11:45:010
248950999568,47cyclictest2449751-21kworker/u8:1+efi_rts_wq07:34:442
2489507995646,9cyclictest2594153-21kworker/u8:2+flush-179:010:05:051
2489512995440,2cyclictest2728061-21/usr/sbin/munin11:45:013
2489507995249,2cyclictest29-21ksoftirqd/111:45:011
2489507995140,10cyclictest2493571-21kworker/u8:0+flush-179:007:20:131
2489507994948,1cyclictest2490699-21awk07:10:061
2489507994946,2cyclictest2580988-21kworker/u8:4+flush-179:009:50:161
2489509994542,2cyclictest2537401-21kworker/u8:2+flush-179:008:40:012
2489509994542,2cyclictest2509995-21kworker/u8:0+events_unbound08:05:142
2489509994528,2cyclictest2580988-21kworker/u8:4+flush-179:009:35:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional