You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 15:56
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 rackeslot6.osadl.org (updated Tue May 19, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17653099119107,9cyclictest1213033-21systemd-journal09:20:011
17653099119107,9cyclictest1213033-21systemd-journal09:20:011
17652899114104,7cyclictest274908-21latency_hist12:15:010
1765309910393,7cyclictest252330-21latency_hist11:05:001
176528999887,8cyclictest262418-21/usr/sbin/munin11:35:220
176528999786,8cyclictest279687-21latency_hist12:30:010
176528999686,7cyclictest282868-21latency_hist12:40:000
176530999587,5cyclictest235057-21kworker/u8:3+flush-179:010:15:251
176528999279,10cyclictest1213033-21systemd-journal08:40:000
176530999080,8cyclictest212332-21kworker/u8:3+flush-179:009:09:591
176530998980,7cyclictest225321-21kworker/u8:3+flush-179:009:50:001
176530998779,6cyclictest235057-21kworker/u8:3+flush-179:010:14:591
176530998476,6cyclictest240715-21kworker/u8:1+flush-179:010:30:121
176530998476,5cyclictest225321-21kworker/u8:3+events_unbound10:00:001
176530998474,8cyclictest186025-21kworker/u8:0+flush-179:008:15:001
176528998470,10cyclictest200646-21apt-get08:25:010
176530998374,6cyclictest240715-21kworker/u8:1+flush-179:010:50:251
176528998271,8cyclictest240715-21kworker/u8:1+events_unbound10:35:010
176530998174,5cyclictest186025-21kworker/u8:0+flush-179:008:55:001
176530998173,6cyclictest250793-21kworker/u8:0+flush-179:011:25:251
176530998173,5cyclictest271782-21kworker/u8:2+flush-179:012:10:241
176530998172,7cyclictest200646-21apt-get08:25:031
176530998172,7cyclictest200646-21apt-get08:25:031
176530998071,6cyclictest186025-21kworker/u8:0+flush-179:007:55:151
176530998070,8cyclictest221891-21kworker/u8:2+flush-179:009:40:001
176530997970,6cyclictest250793-21kworker/u8:0+flush-179:011:50:201
176530997864,10cyclictest1213033-21systemd-journal08:35:001
176530997770,5cyclictest238251-21kworker/u8:2+flush-179:010:30:001
176530997665,8cyclictest186025-21kworker/u8:0+flush-179:008:40:001
176528997666,7cyclictest228455-21latency_hist09:50:000
176528997666,7cyclictest202480-21latency_hist08:30:010
176528997666,7cyclictest202480-21latency_hist08:30:010
176530997570,4cyclictest253950-21kworker/u8:1+flush-179:011:20:001
176530997569,5cyclictest258733-21kworker/u8:2+flush-179:011:35:111
176530997565,7cyclictest250793-21kworker/u8:0+flush-179:011:10:221
176528997562,9cyclictest205086-21kworker/u8:2+events_unbound08:50:010
176530997469,3cyclictest225321-21kworker/u8:3+flush-179:009:55:011
176530997468,4cyclictest186025-21kworker/u8:0+events_unbound09:10:151
176530997467,5cyclictest186025-21kworker/u8:0+flush-179:008:19:551
176530997365,6cyclictest212332-21kworker/u8:3+flush-179:009:20:221
176528997362,8cyclictest1213033-21systemd-journal10:14:540
176530997164,5cyclictest205086-21kworker/u8:2+flush-179:008:55:231
176528997161,7cyclictest181173-21kworker/u8:1+flush-179:007:40:000
176530997062,5cyclictest205086-21kworker/u8:2+flush-179:009:00:231
176530997060,8cyclictest186025-21kworker/u8:0+flush-179:008:45:021
176530996962,5cyclictest181173-21kworker/u8:1+events_unbound07:45:001
176530996863,3cyclictest250793-21kworker/u8:0+flush-179:011:45:001
176530996857,9cyclictest257703-21diskstats11:20:141
176530996847,18cyclictest261935-21apt-get11:35:011
176528996857,9cyclictest197697-21apt-get08:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional