You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-04 - 17:25

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 #5, slot #4

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
  Intel
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4s.osadl.org (updated Sat Jul 04, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2990552750,5sleep1291ktimers/111:30:121
37729997060,7cyclictest248843-21latency_hist10:40:021
2907902670,5chrt0-21swapper/211:20:182
2129112610,4chrt0-21swapper/110:00:191
37729995955,3cyclictest313620-21kworker/u8:2+flush-8:012:30:261
37729995646,7cyclictest348630-21latency_hist12:20:011
37726995650,4cyclictest298168-21kworker/u8:1+flush-8:011:40:290
2503552560,2chrt75-21kworker/3:1+events10:40:193
37726995550,4cyclictest119688-21kworker/u8:0+flush-8:008:30:240
2035322550,4chrt0-21swapper/109:50:281
37729995448,4cyclictest243633-21kworker/u8:0+events_unbound11:20:301
37732995233,16cyclictest1704890-21systemd-journal10:35:002
37732995128,6cyclictest1704890-21systemd-journal11:54:592
37729995146,4cyclictest2878278-21kworker/u8:2+flush-8:007:15:271
37729995145,4cyclictest2878278-21kworker/u8:2+flush-8:009:30:291
37729995143,5cyclictest368456-21latency_hist12:40:001
37729995141,8cyclictest104090-21apt-get08:15:011
653532500,3sleep10-21swapper/107:35:161
37732995029,6cyclictest1704890-21systemd-journal11:35:002
37732994930,7cyclictest234197-21apt-get10:25:082
37729994944,4cyclictest218172-21kworker/u8:1+flush-8:010:45:251
37729994943,4cyclictest5614-21kworker/u8:0+flush-8:008:00:261
37726994943,5cyclictest298168-21kworker/u8:1+flush-8:011:35:240
37726994942,5cyclictest58578-21ntpq07:25:210
2299362490,3sleep375-21kworker/3:1-mm_percpu_wq10:20:163
37729994842,4cyclictest5614-21kworker/u8:0+flush-8:007:25:261
37729994841,5cyclictest313620-21kworker/u8:2+flush-8:011:50:231
37729994839,6cyclictest64463-21latency_hist07:35:021
37726994843,3cyclictest209365-21kworker/u8:4+flush-8:011:05:110
37729994743,3cyclictest5614-21kworker/u8:0+flush-8:007:45:261
37729994742,4cyclictest164446-21kworker/u8:3+flush-8:010:15:231
37726994735,9cyclictest282647-21ntpq11:10:220
37726994640,4cyclictest209365-21kworker/u8:4+flush-8:011:45:130
37729994541,3cyclictest313620-21kworker/u8:2+flush-8:011:55:291
37729994541,3cyclictest2878278-21kworker/u8:2+flush-8:008:05:331
37729994540,4cyclictest164446-21kworker/u8:3+flush-8:010:20:241
37729994535,8cyclictest42654-21latency_hist07:15:011
37729994535,8cyclictest42654-21latency_hist07:15:001
37729994532,10cyclictest1704890-21systemd-journal09:56:391
37726994541,3cyclictest298168-21kworker/u8:1+flush-8:012:15:250
37726994540,4cyclictest129717-21kworker/u8:0+flush-8:008:45:130
37729994436,6cyclictest298168-21kworker/u8:1+flush-8:012:10:231
37729994434,7cyclictest1704890-21systemd-journal09:09:591
37726994438,5cyclictest194593-21kworker/u8:2+flush-8:009:45:210
37726994438,4cyclictest5614-21kworker/u8:0+flush-8:007:15:330
37726994434,8cyclictest1704890-21systemd-journal11:30:000
37726994434,8cyclictest108380-21ntpq08:15:220
1646872440,2sleep0201rcuc/009:15:120
37729994339,3cyclictest209365-21kworker/u8:4+flush-8:010:55:101
37729994338,4cyclictest3400174-21kworker/u8:3+flush-8:007:40:241
37729994337,5cyclictest2878278-21kworker/u8:2+flush-8:009:25:251
37729994334,6cyclictest169477-21apt-get09:20:061
37726994339,3cyclictest313620-21kworker/u8:2+events_unbound11:55:250
37726994338,3cyclictest209365-21kworker/u8:4+flush-8:011:00:260
37726994333,8cyclictest73464-21ntpq07:40:200
37726994333,7cyclictest224011-21latency_hist10:15:010
37729994236,4cyclictest2878278-21kworker/u8:2+flush-8:008:25:261
37729994235,5cyclictest209365-21kworker/u8:4+flush-8:011:00:231
37729994234,6cyclictest104090-21apt-get08:15:011
37729994234,5cyclictest169208-21latency_hist09:20:011
37726994237,4cyclictest3400174-21kworker/u8:3+flush-8:008:05:270
37726994237,4cyclictest298168-21kworker/u8:1+flush-8:011:30:280
37726994236,4cyclictest184007-21apt-get09:35:010
37729994136,4cyclictest129717-21kworker/u8:0+events_unbound09:00:141
37729994134,5cyclictest2878278-21kworker/u8:2+flush-8:008:40:251
37726994137,3cyclictest324038-21kworker/u8:0+flush-8:012:35:300
37726994136,3cyclictest313620-21kworker/u8:2+flush-8:011:50:250
37726994135,4cyclictest2878278-21kworker/u8:2+flush-8:008:10:150
37726994131,8cyclictest262755-21ntpq10:50:230
2617472410,5sleep10-21swapper/110:50:201
37729994035,4cyclictest129717-21kworker/u8:0+flush-8:008:45:201
37729994031,7cyclictest1704890-21systemd-journal11:45:001
37726994036,3cyclictest2878278-21kworker/u8:2+flush-8:008:40:270
37726994034,4cyclictest324038-21kworker/u8:0+flush-8:012:05:280
37726994033,4cyclictest149290-21kworker/u8:1+flush-8:009:44:550
37729993933,5cyclictest209365-21kworker/u8:4+flush-8:011:10:241
37729993931,6cyclictest164446-21kworker/u8:3+flush-8:010:30:311
37726993933,4cyclictest218172-21kworker/u8:1+events_unbound10:25:190
37732993829,7cyclictest1704890-21systemd-journal08:40:002
37729993834,3cyclictest209365-21kworker/u8:4+events_unbound11:48:391
37729993834,3cyclictest194593-21kworker/u8:2+events_unbound09:45:251
37729993833,4cyclictest2878278-21kworker/u8:2+events_unbound07:55:191
37729993832,5cyclictest149290-21kworker/u8:1+flush-8:009:40:221
37726993833,3cyclictest108926-21kworker/u8:1+flush-8:008:35:260
37729993732,4cyclictest298168-21kworker/u8:1+flush-8:012:20:211
37726993732,4cyclictest164446-21kworker/u8:3+flush-8:010:00:260
37726993731,4cyclictest164446-21kworker/u8:3+flush-8:009:20:210
3126722370,6sleep3451irq_work/311:40:233
37729993632,3cyclictest298168-21kworker/u8:1+flush-8:012:00:261
37729993631,4cyclictest3400174-21kworker/u8:3+flush-8:007:20:131
37729993630,4cyclictest5614-21kworker/u8:0+flush-8:007:50:241
37729993630,4cyclictest243633-21kworker/u8:0+events_unbound10:40:281
37726993632,3cyclictest3400174-21kworker/u8:3+events_unbound07:20:270
37726993632,3cyclictest298168-21kworker/u8:1+events_unbound12:00:270
37726993531,3cyclictest2878278-21kworker/u8:2+flush-8:008:25:310
37726993531,3cyclictest243633-21kworker/u8:0+events_unbound10:40:260
37726993531,3cyclictest218172-21kworker/u8:1+flush-8:010:55:270
37726993527,6cyclictest243633-21kworker/u8:0+flush-8:011:15:220
37726993525,3cyclictest129717-21kworker/u8:0+events_unbound09:05:250
37729993430,3cyclictest298168-21kworker/u8:1+flush-8:011:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional