You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-31 - 20:18
OSADL QA Farm

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of system in rack #e, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next 		  
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 Fri Jul 31, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
156600799205197,6cyclictest69-21kswapd010:21:051
156600299204193,8cyclictest1628498-21dpkg10:21:100
156600299140134,5cyclictest1614266-21kworker/u8:2+events_unbound10:15:010
156600299136123,4cyclictest1593036-21kworker/u8:1+events_unbound08:55:250
156600299134124,7cyclictest1623027-21kworker/u8:0+events_unbound10:15:150
156600799131121,7cyclictest1583506-21latency_hist08:05:011
156600299128122,4cyclictest1593036-21kworker/u8:1+events_unbound08:50:150
156600799127111,11cyclictest1213033-21systemd-journal09:20:141
156600299123112,7cyclictest1637034-21latency_hist10:50:010
156600299123112,7cyclictest1637034-21latency_hist10:50:000
156600299122117,4cyclictest1593036-21kworker/u8:1+events_unbound09:20:010
156600299119114,4cyclictest1586712-21kworker/u8:3+flush-179:008:20:010
156600299118111,4cyclictest1593036-21kworker/u8:1+events_unbound09:10:240
156600299117111,4cyclictest1572376-21kworker/u8:2+flush-179:007:35:240
156600299117102,4cyclictest1609224-21kworker/u8:0+events_unbound09:40:150
156600299116110,4cyclictest1583540-21kworker/u8:1+events_unbound08:05:270
156600299115110,4cyclictest1638600-21kworker/u8:1+events_unbound11:05:000
15660079911382,29cyclictest1665988-21kworker/u8:0+flush-179:012:35:001
156600799113103,8cyclictest1618788-21latency_hist09:55:021
156600299113107,5cyclictest1585825-21kworker/u8:2+events_unbound08:35:250
15660029911296,6cyclictest1585825-21kworker/u8:2+events_unbound08:30:190
156600299112107,4cyclictest1565956-21kworker/u8:0+flush-179:007:15:250
156600299112101,8cyclictest1646586-21latency_hist11:20:000
15660079911178,22cyclictest1572587-21apt-get07:30:131
156600299111106,4cyclictest1650005-21kworker/u8:2+flush-179:011:40:020
156600299110100,8cyclictest1213033-21systemd-journal09:30:010
15660079910999,7cyclictest1585092-21latency_hist08:10:011
156600299109103,4cyclictest1614266-21kworker/u8:2+events_unbound10:30:250
156600299109103,4cyclictest1073150-21kworker/u8:4+flush-179:007:45:250
15660079910798,6cyclictest1570744-21latency_hist07:25:011
15660079910792,10cyclictest1213033-21systemd-journal12:40:001
156600299107102,4cyclictest1565956-21kworker/u8:0+flush-179:007:10:260
15660079910591,10cyclictest1664335-21kworker/u8:1+flush-179:012:25:151
15660029910599,4cyclictest1664335-21kworker/u8:1+events_unbound12:15:250
156600299105100,4cyclictest1585825-21kworker/u8:2+events_unbound08:25:250
15660029910497,5cyclictest1628858-21kworker/u8:1+flush-179:010:40:030
15660029910397,4cyclictest1582582-21kworker/u8:0+events_unbound08:00:190
15660029910395,6cyclictest1614266-21kworker/u8:2+events_unbound10:30:000
15660079910277,22cyclictest1213033-21systemd-journal11:40:011
15660029910296,4cyclictest1585825-21kworker/u8:2+events_unbound08:40:140
15660029910296,4cyclictest1585825-21kworker/u8:2+events_unbound08:40:140
15660029910194,4cyclictest1593036-21kworker/u8:1+events_unbound10:05:180
15660029910193,5cyclictest1609247-21latency_hist09:25:000
15660079910092,5cyclictest1572376-21kworker/u8:2+flush-179:007:35:221
15660079910090,7cyclictest1585825-21kworker/u8:2+flush-179:008:40:221
15660079910090,7cyclictest1585825-21kworker/u8:2+flush-179:008:40:211
15660029910092,6cyclictest1644985-21latency_hist11:15:010
1566007999991,5cyclictest1630410-21latency_hist10:30:011
1566007999975,21cyclictest1645239-21apt-get11:15:121
1566007999888,7cyclictest1614266-21kworker/u8:2+flush-179:009:55:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional