You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-03 - 11:02

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 shadow in rack #c, slot #3

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 rackcslot3s.osadl.org (updated Sun May 03, 2026 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136832318304,5sleep30-21swapper/319:09:593
118392317303,5sleep00-21swapper/019:05:030
136702314308,4sleep10-21swapper/119:09:491
133362314306,5sleep20-21swapper/219:05:332
13945992990,298cyclictest8489-21kworker/u16:1+efi_rts_wq21:00:140
13951992980,297cyclictest5376-21kworker/u16:3+efi_rts_wq20:00:123
13951992970,296cyclictest8489-21kworker/u16:1+efi_rts_wq22:05:133
13950992960,295cyclictest5376-21kworker/u16:3+efi_rts_wq23:05:122
13947992960,295cyclictest5376-21kworker/u16:3+efi_rts_wq21:15:131
13945992960,295cyclictest5376-21kworker/u16:3+efi_rts_wq21:50:140
13951992930,292cyclictest5376-21kworker/u16:3+efi_rts_wq21:40:123
13950992930,292cyclictest8489-21kworker/u16:1+efi_rts_wq20:50:122
13951992920,291cyclictest8489-21kworker/u16:1+efi_rts_wq20:15:073
13951992920,291cyclictest5376-21kworker/u16:3+efi_rts_wq19:15:133
13945992920,291cyclictest8489-21kworker/u16:1+efi_rts_wq20:10:120
13947992910,290cyclictest8489-21kworker/u16:1+efi_rts_wq20:35:111
13947992910,290cyclictest7743-21kworker/u16:2+efi_rts_wq23:05:121
13945992910,290cyclictest13939-21kworker/u16:3+efi_rts_wq00:25:130
13947992900,289cyclictest8489-21kworker/u16:1+efi_rts_wq21:55:121
13945992900,289cyclictest23275-21kworker/u16:1+efi_rts_wq23:40:490
13950992890,288cyclictest5376-21kworker/u16:3+efi_rts_wq20:35:132
13947992890,288cyclictest5376-21kworker/u16:3+efi_rts_wq19:55:131
13950992880,287cyclictest7743-21kworker/u16:2+efi_rts_wq22:55:132
13945992880,287cyclictest8489-21kworker/u16:1+efi_rts_wq22:20:320
13951992870,286cyclictest5376-21kworker/u16:3+efi_rts_wq19:25:123
13950992860,285cyclictest11577-21kworker/u16:1+efi_rts_wq00:10:132
13951992850,284cyclictest13939-21kworker/u16:3+efi_rts_wq00:15:133
13951992830,282cyclictest8489-21kworker/u16:1+efi_rts_wq20:10:123
13950992820,281cyclictest2228-21kworker/u16:0+efi_rts_wq23:45:122
13945992820,281cyclictest7743-21kworker/u16:2+efi_rts_wq23:10:130
13951992800,279cyclictest13939-21kworker/u16:3+efi_rts_wq00:30:123
13950992790,278cyclictest5376-21kworker/u16:3+efi_rts_wq23:40:112
13947992790,278cyclictest2228-21kworker/u16:0+efi_rts_wq00:00:531
13950992780,277cyclictest8489-21kworker/u16:1+efi_rts_wq22:20:132
13947992780,277cyclictest8489-21kworker/u16:1+efi_rts_wq19:50:121
13950992770,276cyclictest8489-21kworker/u16:1+efi_rts_wq21:20:202
13947992770,276cyclictest5376-21kworker/u16:3+efi_rts_wq20:30:131
13951992760,275cyclictest5376-21kworker/u16:3+efi_rts_wq21:05:133
13950992760,275cyclictest5376-21kworker/u16:3+efi_rts_wq21:25:122
13950992750,274cyclictest5376-21kworker/u16:3+efi_rts_wq20:10:062
13947992730,272cyclictest11577-21kworker/u16:1+efi_rts_wq00:20:131
13945992730,272cyclictest5376-21kworker/u16:3+efi_rts_wq19:45:140
13951992720,271cyclictest5376-21kworker/u16:3+efi_rts_wq23:50:513
13950992720,271cyclictest13939-21kworker/u16:3+efi_rts_wq00:25:582
13951992700,269cyclictest5376-21kworker/u16:3+efi_rts_wq22:15:143
13950992700,269cyclictest8489-21kworker/u16:1+efi_rts_wq21:30:122
13947992700,269cyclictest5376-21kworker/u16:3+efi_rts_wq20:20:111
13945992700,269cyclictest23275-21kworker/u16:1+efi_rts_wq23:25:110
13945992680,267cyclictest11577-21kworker/u16:1+efi_rts_wq00:35:120
13945992650,264cyclictest11577-21kworker/u16:1+efi_rts_wq00:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional