You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-14 - 20:24
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 Sun Dec 14, 2025 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1428461997565,7cyclictest1441445-21apt-get07:49:591
1428460997569,4cyclictest1433438-21kworker/u8:1+flush-179:007:25:010
1428461997163,6cyclictest1501460-21kworker/u8:3+flush-179:012:20:311
1428460996959,7cyclictest1512576-21latency_hist11:30:000
142846599670,65cyclictest0-21swapper/211:12:592
1428460996755,10cyclictest1494809-21apt-get10:35:000
1428461996560,3cyclictest1414379-21kworker/u8:0+flush-179:007:30:261
1428460996557,5cyclictest1462618-21kworker/u8:0+flush-179:009:15:000
1428466996462,1cyclictest0-21swapper/310:39:593
1428461996356,5cyclictest1447140-21kworker/u8:2+flush-179:008:50:001
1428460996354,6cyclictest1447140-21kworker/u8:2+events_unbound08:40:010
1428466996260,1cyclictest0-21swapper/312:18:003
1428461996254,6cyclictest1475369-21kworker/u8:3+flush-179:009:50:011
1428460996255,5cyclictest1414379-21kworker/u8:0+flush-179:007:25:310
1428460996158,2cyclictest0-21swapper/010:08:580
1428460996055,4cyclictest1447140-21kworker/u8:2+events_unbound08:10:260
1428460995947,9cyclictest1431595-21latency_hist07:20:000
1428461995849,7cyclictest266-21systemd-journal08:30:001
1428460995748,6cyclictest1484945-21latency_hist10:05:000
1428461995648,6cyclictest1503026-21latency_hist11:00:011
1428461995549,4cyclictest1500074-21kworker/u8:2+events_unbound10:55:001
1428461995549,4cyclictest1500074-21kworker/u8:2+events_unbound10:55:001
1428461995546,7cyclictest1483345-21latency_hist10:00:011
1428461995447,5cyclictest1523725-21latency_hist12:05:011
142846199541,2cyclictest714-21Xorg11:27:591
142846199540,38cyclictest714-21Xorg07:24:591
1428460995449,3cyclictest1475369-21kworker/u8:3+flush-179:009:45:260
1428461995342,8cyclictest1519484-21diskstats11:50:151
1428461995318,19cyclictest0-21swapper/110:15:221
1428461995243,7cyclictest1428670-21apt-get07:10:091
1428460995242,7cyclictest1520528-21latency_hist11:55:010
1428461995149,1cyclictest0-21swapper/111:50:001
1428460995142,7cyclictest1428368-21latency_hist07:10:020
1428466995047,2cyclictest431rcuc/307:39:553
1428461995025,17cyclictest714-21Xorg12:15:581
1428460995042,6cyclictest1435298-21apt-get07:30:120
1428460995042,5cyclictest1465885-21kworker/u8:3+events_unbound09:15:260
4577091480,14ptp4l441ktimers/307:10:013
1428461994840,6cyclictest1501460-21kworker/u8:3+flush-179:012:35:011
142846199480,46cyclictest0-21swapper/109:30:131
1428460994843,3cyclictest1501460-21kworker/u8:3+events_unbound12:15:250
1428461994737,8cyclictest1475637-21apt-get09:35:131
1428461994727,18cyclictest1493465-21apt-get10:30:121
1428460994742,4cyclictest1433438-21kworker/u8:1+flush-179:008:05:010
1428460994739,6cyclictest1472208-21latency_hist09:25:010
1428460994739,6cyclictest1414379-21kworker/u8:0+events_unbound08:00:020
1428460994737,8cyclictest1520765-21/usr/sbin/munin11:55:230
1428460994733,11cyclictest266-21systemd-journal12:03:310
1428461994639,5cyclictest1439848-21latency_hist07:45:001
142846199460,43cyclictest1441445-21apt-get07:50:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional