You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-23 - 05:14
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 Thu Jul 23, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
357576799150142,5cyclictest3621040-21kworker/u8:3+events_unbound21:30:250
357577199141129,8cyclictest3604883-21latency_hist20:40:011
357576799130123,5cyclictest3604915-21kworker/u8:1+flush-179:021:25:000
357576799130122,6cyclictest3652059-21kworker/u8:0+flush-179:023:15:000
357576799129120,6cyclictest3652059-21kworker/u8:0+events_unbound23:25:250
357576799128122,4cyclictest3604915-21kworker/u8:1+flush-179:020:55:220
357577199126116,7cyclictest3656858-21latency_hist23:30:011
357576799126116,7cyclictest3596640-21latency_hist20:15:000
357577199121106,11cyclictest3625864-21kworker/u8:3+flush-179:022:00:001
357576799114107,5cyclictest3668318-21kworker/u8:1+events_unbound00:05:010
35757719911297,12cyclictest1213033-21systemd-journal00:04:001
357577199112101,9cyclictest3627425-21latency_hist21:50:011
3575767991121,108cyclictest1-21systemd20:45:000
357576799110100,7cyclictest3587097-21kworker/u8:0+flush-179:020:05:010
35757679910999,7cyclictest3613095-21latency_hist21:05:020
3575767991091,105cyclictest1-21systemd00:40:000
357576799108102,4cyclictest3665123-21kworker/u8:0+flush-179:000:05:190
357576799108102,4cyclictest3640400-21kworker/u8:1+flush-179:022:40:140
35757719910689,12cyclictest3608055-21latency_hist20:50:011
357576799106100,4cyclictest3561173-21kworker/u8:1+flush-179:019:49:590
35757719910596,6cyclictest3593209-21latency_hist20:05:011
35757679910499,3cyclictest3617290-21kworker/u8:2+flush-179:021:40:240
35757719910393,7cyclictest3603271-21latency_hist20:35:001
35757719910387,12cyclictest510-21rs:main1
35757679910397,4cyclictest3604915-21kworker/u8:1+flush-179:021:25:220
35757679910396,4cyclictest3645166-21kworker/u8:2+events_unbound22:50:250
35757679910391,7cyclictest3661936-21kworker/u8:2+events_unbound23:55:260
35757679910391,7cyclictest3661936-21kworker/u8:2+events_unbound23:55:250
35757719910189,9cyclictest3665123-21kworker/u8:0+flush-179:000:20:001
35757679910094,4cyclictest3561173-21kworker/u8:1+flush-179:019:40:230
35757679910092,6cyclictest3660551-21kworker/u8:0+flush-179:023:45:000
35757679910091,6cyclictest3625864-21kworker/u8:3+flush-179:022:10:230
3575767999888,8cyclictest3561173-21kworker/u8:1+flush-179:019:15:220
3575771999789,6cyclictest3614937-21apt-get21:10:131
3575771999786,8cyclictest1213033-21systemd-journal20:00:001
3575767999788,6cyclictest3652059-21kworker/u8:0+flush-179:023:20:250
3575767999784,10cyclictest1213033-21systemd-journal22:20:010
3575767999690,4cyclictest3572707-21kworker/u8:2+flush-179:019:10:220
3575767999689,6cyclictest3561173-21kworker/u8:1+events_unbound19:30:230
3575767999689,5cyclictest3640400-21kworker/u8:1+events_unbound22:35:000
3575767999588,5cyclictest3625864-21kworker/u8:3+flush-179:021:50:200
3575767999486,5cyclictest3655303-21kworker/u8:1+events_unbound23:35:270
3575767999483,6cyclictest3652059-21kworker/u8:0+flush-179:023:15:240
3575771999383,7cyclictest3624248-21latency_hist21:40:011
3575771999383,7cyclictest3614683-21latency_hist21:10:011
3575767999386,5cyclictest3625864-21kworker/u8:3+flush-179:022:05:170
3575767999385,6cyclictest3669955-21kworker/u8:3+events_unbound00:20:240
3575767999385,6cyclictest3640400-21kworker/u8:1+events_unbound22:45:170
3575771999282,8cyclictest3665329-21apt-get23:55:131
3575771999282,8cyclictest3665329-21apt-get23:55:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional