You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-02 - 12:59
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 20 highest latencies:
System rackeslot6.osadl.org (updated Thu Jul 02, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127774499140130,7cyclictest1370823-40logrotate00:00:000
127774599127114,10cyclictest1213033-21systemd-journal00:30:001
127774599123114,7cyclictest1383629-21latency_hist00:40:001
127774499120110,7cyclictest1335541-21latency_hist22:10:010
127774599118106,9cyclictest1288790-21latency_hist19:45:001
127774499118107,8cyclictest1301786-21latency_hist20:25:010
127774499116110,5cyclictest1330482-21kworker/u8:3+events_unbound22:35:230
127774499115101,12cyclictest1290375-21latency_hist19:50:010
127774499113106,5cyclictest1370889-21kworker/u8:3+flush-179:000:00:150
127774499112105,6cyclictest1308147-21kworker/u8:0+events_unbound21:10:240
12777449910899,4cyclictest1351772-21kworker/u8:3+events_unbound23:30:210
12777449910699,5cyclictest1277028-21kworker/u8:1+events_unbound19:15:170
12777449910696,4cyclictest1297037-21kworker/u8:1+events_unbound20:15:250
127774499105100,4cyclictest1345256-21kworker/u8:1+events_unbound22:55:240
12777459910292,7cyclictest1311331-21latency_hist20:55:011
12777459910195,4cyclictest1330482-21kworker/u8:3+events_unbound22:05:141
12777449910192,6cyclictest1304964-21latency_hist20:35:000
12777449910191,7cyclictest1285595-21latency_hist19:35:010
1277745999990,6cyclictest1298590-21latency_hist20:15:011
1277745999894,3cyclictest1330482-21kworker/u8:3+events_unbound22:40:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional