You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-03 - 15:45

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 #0, slot #2

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 rack0slot2s.osadl.org (updated Thu Apr 03, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33562552242222,13sleep80-21swapper/807:06:288
33566672241220,14sleep70-21swapper/707:09:387
33566892239218,14sleep90-21swapper/907:09:509
33563782237215,15sleep60-21swapper/607:07:276
3357004992360,235cyclictest3418681-21kworker/u20:4+efi_rts_wq09:00:123
33567042236215,14sleep50-21swapper/507:09:575
33563692236215,14sleep10-21swapper/107:07:211
33562452236216,13sleep40-21swapper/407:06:244
33565642235215,13sleep20-21swapper/207:08:522
3356994992340,233cyclictest3451834-21kworker/u20:2+efi_rts_wq10:15:130
33566792234212,14sleep30-21swapper/307:09:443
3357012992330,232cyclictest3374817-21kworker/u20:6+efi_rts_wq07:50:165
33562372233212,14sleep00-21swapper/007:06:190
3357008992300,229cyclictest3418686-21kworker/u20:8+efi_rts_wq09:20:134
3357014992290,228cyclictest3408650-21kworker/u20:6+efi_rts_wq08:50:086
3357008992280,227cyclictest3425584-21kworker/u20:0+efi_rts_wq09:35:124
3357008992280,227cyclictest2988869-21kworker/u20:2+efi_rts_wq07:20:134
3357024992270,226cyclictest3504638-21kworker/u20:3+efi_rts_wq12:10:089
3357022992240,223cyclictest3451834-21kworker/u20:2+efi_rts_wq10:30:138
3357022992230,222cyclictest3378297-21kworker/u20:2+efi_rts_wq08:10:168
3357002992230,222cyclictest3471186-21kworker/u20:5+efi_rts_wq11:00:132
3356994992220,221cyclictest3430598-21kworker/u20:5+efi_rts_wq09:50:100
3357008992190,218cyclictest3520515-21kworker/u20:1+efi_rts_wq12:35:124
3356994992190,218cyclictest3378297-21kworker/u20:2+efi_rts_wq08:20:130
3357004992170,216cyclictest3327350-21kworker/u20:1+efi_rts_wq07:10:133
3357014992160,215cyclictest3405980-21kworker/u20:3+efi_rts_wq09:10:126
3357024992140,213cyclictest3374817-21kworker/u20:6+efi_rts_wq08:05:109
3357004992120,211cyclictest3391330-21kworker/u20:1+efi_rts_wq08:30:103
3357018992110,210cyclictest3451834-21kworker/u20:2+efi_rts_wq11:40:147
3357004992110,210cyclictest3402032-21kworker/u20:0+efi_rts_wq08:40:133
3357004992110,210cyclictest3402032-21kworker/u20:0+efi_rts_wq08:40:123
3357004992100,209cyclictest3425584-21kworker/u20:0+efi_rts_wq09:35:123
3356994992100,209cyclictest3430598-21kworker/u20:5+efi_rts_wq09:55:130
3357024992090,208cyclictest3356782-21kworker/u20:3+efi_rts_wq07:30:199
3356998992070,206cyclictest3471188-21kworker/u20:6+efi_rts_wq10:40:121
3357018992060,205cyclictest3504638-21kworker/u20:3+efi_rts_wq12:10:097
3357004992060,205cyclictest3520515-21kworker/u20:1+efi_rts_wq12:30:083
3357012992050,204cyclictest3504638-21kworker/u20:3+efi_rts_wq12:15:125
3357004992050,204cyclictest3471186-21kworker/u20:5+efi_rts_wq10:50:133
3357012992040,203cyclictest2988869-21kworker/u20:2+efi_rts_wq07:20:135
3357012992030,202cyclictest3391330-21kworker/u20:1+efi_rts_wq08:15:135
3357008992020,201cyclictest3445439-21kworker/u20:0+efi_rts_wq10:20:114
3357008992000,199cyclictest3378297-21kworker/u20:2+efi_rts_wq08:00:134
3356998991990,198cyclictest3391330-21kworker/u20:1+efi_rts_wq08:30:111
3357018991970,196cyclictest3471186-21kworker/u20:5+efi_rts_wq11:00:137
3357008991950,194cyclictest3504638-21kworker/u20:3+efi_rts_wq12:15:134
3357018991940,193cyclictest3402032-21kworker/u20:0+efi_rts_wq08:35:157
3357018991940,193cyclictest3402032-21kworker/u20:0+efi_rts_wq08:35:147
3357022991930,192cyclictest3402032-21kworker/u20:0+efi_rts_wq08:55:138
3356994991930,192cyclictest3378297-21kworker/u20:2+efi_rts_wq07:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional