You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-01 - 23:02
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 Wed Apr 01, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1692332999484,7cyclictest1724278-21kworker/u8:2+flush-179:009:10:001
1692332998980,7cyclictest1764402-21apt-get10:55:011
1692330998777,7cyclictest1735702-21latency_hist09:25:020
1692332998476,6cyclictest1695365-21latency_hist07:20:001
1692330998271,7cyclictest266-21systemd-journal08:10:180
1692330998270,10cyclictest1787452-21apt-get12:05:120
1692332998170,8cyclictest266-21systemd-journal12:25:001
1692330998175,4cyclictest1730957-21kworker/u8:3+flush-179:009:20:000
1692330998126,51cyclictest1-21systemd12:24:590
1692332998068,9cyclictest1767846-21apt-get11:05:031
1692330997873,3cyclictest1712619-21kworker/u8:1+flush-179:008:15:250
1692330997567,6cyclictest1767846-21apt-get11:05:000
1692330997456,16cyclictest1709962-21/usr/sbin/munin08:05:250
1692332997367,4cyclictest1717344-21kworker/u8:0+events_unbound08:50:011
1692330997160,9cyclictest266-21systemd-journal08:35:010
1692330997064,4cyclictest1719489-21kworker/u8:4+flush-179:008:35:250
1692330997064,4cyclictest1697225-21apt-get07:25:120
1692332996861,5cyclictest1722714-21latency_hist08:45:021
1692330996862,4cyclictest1704995-21kworker/u8:3+events_unbound08:00:260
1692332996756,9cyclictest1712619-21kworker/u8:1+flush-179:008:15:171
1692330996756,9cyclictest1715018-21apt-get08:20:130
1692330996756,9cyclictest1715018-21apt-get08:20:120
169233099640,60cyclictest1-21systemd09:45:000
1692330996357,4cyclictest1763461-21kworker/u8:1+flush-179:010:55:270
1692330996352,9cyclictest1790374-21apt-get12:15:000
1692336996158,2cyclictest0-21swapper/207:50:592
1692332996152,6cyclictest1729338-21latency_hist09:05:021
1692332996150,8cyclictest266-21systemd-journal09:45:001
1692338996058,1cyclictest0-21swapper/307:50:593
1692332996048,11cyclictest1781065-21kworker/u8:2+events_unbound12:20:001
1692332995950,7cyclictest1767837-21latency_hist11:05:011
169233299590,57cyclictest714-21Xorg11:31:591
1692332995850,6cyclictest266-21systemd-journal12:11:081
1692332995849,7cyclictest510-21rs:main1
1692330995848,8cyclictest1724298-21latency_hist08:50:020
1692330995748,7cyclictest1769680-21latency_hist11:10:010
1692332995648,6cyclictest1717344-21kworker/u8:0+flush-179:008:55:231
1692332995632,23cyclictest1693631-21unixbench-2d07:10:261
1692330995553,1cyclictest0-21swapper/007:39:590
1692330995547,6cyclictest1766286-21kworker/u8:3+flush-179:011:15:150
1692330995544,9cyclictest1694032-21apt-get07:15:120
1692332995452,2cyclictest0-21swapper/110:42:591
1692332995446,6cyclictest1689207-21kworker/u8:1+flush-179:007:30:231
1692332995333,18cyclictest1735748-21latency_hist09:25:001
1692332995233,17cyclictest1734115-21ls09:20:001
169233299520,51cyclictest0-21swapper/108:00:001
1692330995245,6cyclictest1756962-21kworker/u8:0+events_unbound10:35:250
1692332995146,4cyclictest1769714-21kworker/u8:2+events_unbound11:30:011
1692332995142,7cyclictest1708092-21kworker/u8:2+flush-179:008:15:001
1692332995141,8cyclictest1708396-21apt-get08:00:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional