You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-05 - 17:28

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 100 highest latencies:
System rackcslot3s.osadl.org (updated Fri Jun 05, 2026 12:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284832319304,5sleep30-21swapper/307:07:423
286162317304,4sleep20-21swapper/207:09:262
279322316303,4sleep10-21swapper/107:05:231
284582315308,5sleep00-21swapper/007:07:230
28927993010,299cyclictest13668-21kworker/u16:3+efi_rts_wq08:50:112
28926993000,299cyclictest8898-21kworker/u16:1+efi_rts_wq07:55:121
28927992980,297cyclictest8898-21kworker/u16:1+efi_rts_wq08:55:112
28927992980,297cyclictest8898-21kworker/u16:1+efi_rts_wq08:47:062
28927992980,297cyclictest13668-21kworker/u16:3+efi_rts_wq08:30:112
28927992980,296cyclictest28346-21kworker/u16:2+efi_rts_wq07:50:142
28928992960,295cyclictest8898-21kworker/u16:1+efi_rts_wq09:05:123
28925992960,295cyclictest8898-21kworker/u16:1+efi_rts_wq09:40:120
28928992930,292cyclictest8898-21kworker/u16:1+efi_rts_wq08:00:123
28925992910,290cyclictest30840-21kworker/u16:1+efi_rts_wq11:40:110
28928992900,289cyclictest8898-21kworker/u16:1+efi_rts_wq09:32:143
28926992900,289cyclictest21892-21kworker/u16:2+efi_rts_wq12:10:121
28925992880,287cyclictest13668-21kworker/u16:3+efi_rts_wq09:20:120
28926992850,284cyclictest28346-21kworker/u16:2+efi_rts_wq07:15:131
28928992830,282cyclictest21892-21kworker/u16:2+efi_rts_wq11:55:113
28925992830,282cyclictest28346-21kworker/u16:2+efi_rts_wq07:25:130
28927992820,281cyclictest13668-21kworker/u16:3+efi_rts_wq09:50:112
28926992820,281cyclictest13737-21kworker/u16:0+efi_rts_wq10:50:131
28926992820,281cyclictest13737-21kworker/u16:0+efi_rts_wq10:50:131
28925992820,280cyclictest13737-21kworker/u16:0+efi_rts_wq10:45:120
28927992810,280cyclictest13668-21kworker/u16:3+efi_rts_wq09:35:132
28925992810,280cyclictest28346-21kworker/u16:2+efi_rts_wq07:45:140
28928992790,278cyclictest30840-21kworker/u16:1+efi_rts_wq11:27:383
28927992790,278cyclictest28346-21kworker/u16:2+efi_rts_wq07:20:122
28928992760,275cyclictest21892-21kworker/u16:2+efi_rts_wq12:15:113
28926992760,275cyclictest8898-21kworker/u16:1+efi_rts_wq08:17:001
28928992740,273cyclictest12529-21kworker/u16:3+efi_rts_wq11:50:123
28927992740,273cyclictest28346-21kworker/u16:2+efi_rts_wq07:40:132
28926992740,273cyclictest21892-21kworker/u16:2+efi_rts_wq12:30:121
28927992730,272cyclictest8898-21kworker/u16:1+efi_rts_wq09:25:132
28926992730,272cyclictest8898-21kworker/u16:1+efi_rts_wq10:25:121
28927992710,269cyclictest17847-21kworker/u16:2+efi_rts_wq10:35:122
28925992710,270cyclictest8898-21kworker/u16:1+efi_rts_wq08:32:030
28925992710,270cyclictest24269-21kworker/u16:1+efi_rts_wq12:37:510
28928992700,269cyclictest13668-21kworker/u16:3+efi_rts_wq08:40:133
28927992700,269cyclictest8898-21kworker/u16:1+efi_rts_wq09:30:102
28926992700,269cyclictest8898-21kworker/u16:1+efi_rts_wq10:20:121
28928992690,268cyclictest21892-21kworker/u16:2+efi_rts_wq12:20:113
28927992690,268cyclictest8898-21kworker/u16:1+efi_rts_wq08:25:132
28927992670,265cyclictest19579-21kworker/u16:0+efi_rts_wq11:45:122
28926992670,266cyclictest28346-21kworker/u16:2+efi_rts_wq07:40:131
28926992660,265cyclictest13668-21kworker/u16:3+efi_rts_wq09:10:121
28925992660,265cyclictest28346-21kworker/u16:2+efi_rts_wq08:05:130
28927992650,264cyclictest8898-21kworker/u16:1+efi_rts_wq07:31:512
28926992630,261cyclictest966-21kworker/u16:2+efi_rts_wq11:05:131
28928992620,261cyclictest21892-21kworker/u16:2+efi_rts_wq12:10:123
28928992610,260cyclictest8898-21kworker/u16:1+efi_rts_wq08:35:143
28926992600,259cyclictest8898-21kworker/u16:1+efi_rts_wq09:07:101
28928992590,258cyclictest13668-21kworker/u16:3+efi_rts_wq08:10:113
28925992580,257cyclictest8898-21kworker/u16:1+efi_rts_wq10:15:110
28925992560,255cyclictest13668-21kworker/u16:3+efi_rts_wq10:30:120
28925992550,254cyclictest21892-21kworker/u16:2+efi_rts_wq12:22:490
28926992540,253cyclictest13668-21kworker/u16:3+efi_rts_wq08:37:041
28926992540,252cyclictest30840-21kworker/u16:1+efi_rts_wq11:40:111
28925992540,253cyclictest13668-21kworker/u16:3+efi_rts_wq09:00:100
28925992520,251cyclictest28346-21kworker/u16:2+efi_rts_wq07:10:130
28926992510,250cyclictest966-21kworker/u16:2+efi_rts_wq11:15:131
28925992490,248cyclictest30840-21kworker/u16:1+efi_rts_wq11:35:130
28928992480,247cyclictest8898-21kworker/u16:1+efi_rts_wq09:27:133
28927992480,247cyclictest8898-21kworker/u16:1+efi_rts_wq10:05:132
28926992470,245cyclictest13668-21kworker/u16:3+efi_rts_wq11:00:131
28925992470,246cyclictest28346-21kworker/u16:2+efi_rts_wq08:01:560
28928992460,244cyclictest17847-21kworker/u16:2+efi_rts_wq10:35:133
28928992450,242cyclictest28346-21kworker/u16:2+efi_rts_wq07:30:123
28925992450,244cyclictest8898-21kworker/u16:1+efi_rts_wq10:05:120
28926992430,242cyclictest8898-21kworker/u16:1+efi_rts_wq07:36:521
28927992420,241cyclictest13668-21kworker/u16:3+efi_rts_wq09:02:082
28925992410,240cyclictest966-21kworker/u16:2+efi_rts_wq11:20:120
28927992400,239cyclictest8898-21kworker/u16:1+efi_rts_wq09:45:122
28927992400,239cyclictest28346-21kworker/u16:2+efi_rts_wq07:15:002
28927992390,238cyclictest24269-21kworker/u16:1+efi_rts_wq12:00:112
28927992390,238cyclictest13668-21kworker/u16:3+efi_rts_wq10:40:112
28926992380,237cyclictest13668-21kworker/u16:3+efi_rts_wq09:22:121
28928992370,236cyclictest13668-21kworker/u16:3+efi_rts_wq09:50:113
28927992360,235cyclictest13668-21kworker/u16:3+efi_rts_wq08:22:012
28926992360,235cyclictest8898-21kworker/u16:1+efi_rts_wq09:15:151
28926992360,235cyclictest13737-21kworker/u16:0+efi_rts_wq10:55:131
28926992340,233cyclictest28346-21kworker/u16:2+efi_rts_wq07:10:131
28925992320,231cyclictest13668-21kworker/u16:3+efi_rts_wq10:57:320
28927992310,230cyclictest966-21kworker/u16:2+efi_rts_wq11:15:122
28928992290,228cyclictest8898-21kworker/u16:1+efi_rts_wq08:57:083
28927992280,227cyclictest21892-21kworker/u16:2+efi_rts_wq12:30:122
28927992270,226cyclictest30840-21kworker/u16:1+efi_rts_wq11:32:382
28926992270,226cyclictest13668-21kworker/u16:3+efi_rts_wq10:30:121
28928992240,223cyclictest13668-21kworker/u16:3+efi_rts_wq09:57:193
28927992240,223cyclictest13737-21kworker/u16:0+efi_rts_wq10:47:302
28926992240,223cyclictest21892-21kworker/u16:2+efi_rts_wq11:57:431
28925992240,223cyclictest28346-21kworker/u16:2+efi_rts_wq07:30:120
28928992230,222cyclictest28346-21kworker/u16:2+efi_rts_wq07:51:553
28926992230,222cyclictest13668-21kworker/u16:3+efi_rts_wq10:00:121
28925992230,222cyclictest13668-21kworker/u16:3+efi_rts_wq11:00:130
28926992210,220cyclictest8898-21kworker/u16:1+efi_rts_wq08:45:131
28926992180,217cyclictest8898-21kworker/u16:1+efi_rts_wq08:20:131
28927992170,216cyclictest8898-21kworker/u16:1+efi_rts_wq10:20:122
28925992160,215cyclictest13668-21kworker/u16:3+efi_rts_wq10:12:220
28928992140,213cyclictest13668-21kworker/u16:3+efi_rts_wq09:00:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional