You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-14 - 12:31

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 Nov 14, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103012334305,4sleep30-21swapper/319:09:193
100842324298,24sleep10-21swapper/119:06:311
99982318304,5sleep20-21swapper/219:05:252
103502317303,5sleep00-21swapper/019:09:560
10621993010,300cyclictest25487-21kworker/u16:2+efi_rts_wq22:00:140
10624993000,299cyclictest28122-21kworker/u16:1+efi_rts_wq23:10:133
10624993000,299cyclictest28122-21kworker/u16:1+efi_rts_wq23:10:133
10622993000,299cyclictest25487-21kworker/u16:2+efi_rts_wq21:05:131
10624992990,298cyclictest23275-21kworker/u16:1+efi_rts_wq00:00:123
10622992990,298cyclictest15063-21kworker/u16:0+efi_rts_wq21:40:151
10623992980,297cyclictest25487-21kworker/u16:2+efi_rts_wq21:55:122
10623992960,295cyclictest25487-21kworker/u16:2+efi_rts_wq21:00:152
10624992950,294cyclictest25567-21kworker/u16:2+efi_rts_wq23:25:163
10624992950,294cyclictest15063-21kworker/u16:0+efi_rts_wq20:35:183
10623992950,294cyclictest25487-21kworker/u16:2+efi_rts_wq21:05:132
10623992950,293cyclictest23275-21kworker/u16:1+efi_rts_wq00:10:152
10622992950,294cyclictest28122-21kworker/u16:1+efi_rts_wq22:50:151
10622992940,293cyclictest25487-21kworker/u16:2+efi_rts_wq21:50:241
10621992940,293cyclictest32529-21kworker/u16:2+efi_rts_wq23:55:150
10621992940,293cyclictest25487-21kworker/u16:2+efi_rts_wq19:15:010
10623992920,291cyclictest25487-21kworker/u16:2+efi_rts_wq22:25:302
10624992910,288cyclictest25487-21kworker/u16:2+efi_rts_wq19:50:153
10623992910,290cyclictest23275-21kworker/u16:1+efi_rts_wq23:30:382
10622992910,290cyclictest15063-21kworker/u16:0+efi_rts_wq22:15:121
10621992910,289cyclictest23275-21kworker/u16:1+efi_rts_wq23:50:160
10624992900,289cyclictest25487-21kworker/u16:2+efi_rts_wq21:55:133
10621992900,289cyclictest25487-21kworker/u16:2+efi_rts_wq21:45:130
10623992870,286cyclictest25487-21kworker/u16:2+efi_rts_wq20:45:162
10621992870,286cyclictest25487-21kworker/u16:2+efi_rts_wq22:55:330
10622992860,285cyclictest25487-21kworker/u16:2+efi_rts_wq20:25:131
10624992850,284cyclictest28122-21kworker/u16:1+efi_rts_wq23:00:123
10624992850,284cyclictest25487-21kworker/u16:2+efi_rts_wq22:25:123
10624992850,283cyclictest28122-21kworker/u16:1+efi_rts_wq23:05:363
10623992840,283cyclictest25487-21kworker/u16:2+efi_rts_wq19:25:122
10623992840,283cyclictest25487-21kworker/u16:2+efi_rts_wq19:15:132
10622992840,283cyclictest20538-21kworker/u16:3+efi_rts_wq23:20:131
10621992840,283cyclictest23275-21kworker/u16:1+efi_rts_wq00:35:140
10624992830,282cyclictest23275-21kworker/u16:1+efi_rts_wq00:10:463
10622992830,282cyclictest25487-21kworker/u16:2+efi_rts_wq23:10:361
10622992830,282cyclictest25487-21kworker/u16:2+efi_rts_wq23:10:351
10621992830,282cyclictest32529-21kworker/u16:2+efi_rts_wq00:25:160
10621992830,281cyclictest28122-21kworker/u16:1+efi_rts_wq22:40:140
10622992820,281cyclictest27879-21kworker/u16:3+efi_rts_wq23:35:151
10621992820,281cyclictest32529-21kworker/u16:2+efi_rts_wq00:30:150
10623992810,280cyclictest25487-21kworker/u16:2+efi_rts_wq19:40:142
10622992810,280cyclictest15063-21kworker/u16:0+efi_rts_wq21:30:151
10622992790,278cyclictest25487-21kworker/u16:2+efi_rts_wq20:15:081
10624992770,276cyclictest20538-21kworker/u16:3+efi_rts_wq23:20:133
10623992770,276cyclictest25487-21kworker/u16:2+efi_rts_wq22:45:162
10621992760,275cyclictest25567-21kworker/u16:2+efi_rts_wq23:25:160
10621992750,274cyclictest15063-21kworker/u16:0+efi_rts_wq22:15:120
10622992730,272cyclictest25487-21kworker/u16:2+efi_rts_wq21:25:121
10623992720,271cyclictest25487-21kworker/u16:2+efi_rts_wq21:15:142
10623992720,271cyclictest23275-21kworker/u16:1+efi_rts_wq00:00:132
10622992720,271cyclictest25567-21kworker/u16:2+efi_rts_wq23:25:381
10622992720,271cyclictest25487-21kworker/u16:2+efi_rts_wq19:35:131
10624992710,269cyclictest32529-21kworker/u16:2+efi_rts_wq00:15:123
10622992700,268cyclictest25487-21kworker/u16:2+efi_rts_wq23:15:141
10622992700,268cyclictest23275-21kworker/u16:1+efi_rts_wq23:40:161
10624992690,267cyclictest27879-21kworker/u16:3+efi_rts_wq23:45:143
10624992690,266cyclictest15063-21kworker/u16:0+efi_rts_wq22:20:123
10623992690,267cyclictest15063-21kworker/u16:0+efi_rts_wq19:10:132
10624992680,267cyclictest23275-21kworker/u16:1+efi_rts_wq23:40:153
10623992670,266cyclictest15063-21kworker/u16:0+efi_rts_wq20:05:162
10621992670,266cyclictest15063-21kworker/u16:0+efi_rts_wq19:30:130
10624992650,264cyclictest15063-21kworker/u16:0+efi_rts_wq20:55:133
10624992620,261cyclictest25487-21kworker/u16:2+efi_rts_wq20:20:133
10622992590,258cyclictest23275-21kworker/u16:1+efi_rts_wq00:05:161
10624992580,257cyclictest25487-21kworker/u16:2+efi_rts_wq20:50:163
10623992580,257cyclictest25487-21kworker/u16:2+efi_rts_wq20:50:152
10623992580,257cyclictest15063-21kworker/u16:0+efi_rts_wq20:10:172
10622992560,255cyclictest25487-21kworker/u16:2+efi_rts_wq19:20:151
10623992550,254cyclictest28122-21kworker/u16:1+efi_rts_wq22:50:152
10624992540,253cyclictest25487-21kworker/u16:2+efi_rts_wq22:30:313
10624992540,253cyclictest15063-21kworker/u16:0+efi_rts_wq21:20:133
10623992530,251cyclictest23275-21kworker/u16:1+efi_rts_wq23:55:442
10622992530,250cyclictest25487-21kworker/u16:2+efi_rts_wq22:35:141
10622992520,251cyclictest15063-21kworker/u16:0+efi_rts_wq20:45:121
10624992470,246cyclictest15063-21kworker/u16:0+efi_rts_wq21:50:133
10622992470,246cyclictest15063-21kworker/u16:0+efi_rts_wq19:30:141
10624992460,245cyclictest25487-21kworker/u16:2+efi_rts_wq19:14:583
10623992460,245cyclictest25487-21kworker/u16:2+efi_rts_wq19:50:152
10623992440,243cyclictest25487-21kworker/u16:2+efi_rts_wq20:55:132
10622992420,241cyclictest25487-21kworker/u16:2+efi_rts_wq20:20:131
10621992400,239cyclictest25487-21kworker/u16:2+efi_rts_wq20:35:100
10624992390,238cyclictest15063-21kworker/u16:0+efi_rts_wq19:25:013
10621992370,236cyclictest32529-21kworker/u16:2+efi_rts_wq00:15:120
10624992360,235cyclictest25487-21kworker/u16:2+efi_rts_wq21:00:163
10622992360,235cyclictest32529-21kworker/u16:2+efi_rts_wq00:15:471
10623992350,234cyclictest25487-21kworker/u16:2+efi_rts_wq22:15:282
10622992340,233cyclictest15063-21kworker/u16:0+efi_rts_wq22:00:251
10621992340,232cyclictest25487-21kworker/u16:2+efi_rts_wq20:40:140
10624992330,231cyclictest25487-21kworker/u16:2+efi_rts_wq19:20:153
10621992310,230cyclictest15063-21kworker/u16:0+efi_rts_wq21:30:160
10622992300,229cyclictest15063-21kworker/u16:0+efi_rts_wq20:00:121
10622992280,227cyclictest32529-21kworker/u16:2+efi_rts_wq23:55:151
10623992260,225cyclictest15063-21kworker/u16:0+efi_rts_wq20:30:152
10623992250,224cyclictest28122-21kworker/u16:1+efi_rts_wq23:00:352
10624992240,223cyclictest15063-21kworker/u16:0+efi_rts_wq20:00:123
10623992240,223cyclictest25487-21kworker/u16:2+efi_rts_wq19:55:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional