You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-07 - 01:38

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 #1, slot #6

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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Sun Dec 07, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1184799974,66cyclictest0-21swapper/222:00:222
1184799924,62cyclictest0-21swapper/223:15:312
1184799924,62cyclictest0-21swapper/223:15:312
1184799904,9cyclictest1243-21snmpd19:55:212
1184799893,63cyclictest1243-21snmpd19:05:462
1184799884,58cyclictest0-21swapper/222:55:132
1184799884,12cyclictest0-21swapper/223:35:292
1184799874,12cyclictest0-21swapper/222:40:172
1184799873,68cyclictest20064-21latency_hist22:25:042
1184799864,62cyclictest0-21swapper/223:02:082
1184799864,12cyclictest0-21swapper/221:20:182
1184799863,58cyclictest0-21swapper/221:10:182
1184799855,12cyclictest0-21swapper/219:50:272
1184799854,63cyclictest0-21swapper/221:40:332
1184799854,62cyclictest0-21swapper/221:35:202
1184799854,58cyclictest0-21swapper/221:30:362
1184799854,14cyclictest0-21swapper/220:45:412
1184799854,13cyclictest0-21swapper/219:25:092
1184799853,12cyclictest0-21swapper/222:45:152
11847998520,58cyclictest27537-21munin-node20:25:322
11847998520,58cyclictest27537-21munin-node20:25:322
11847998515,53cyclictest0-21swapper/221:15:402
1184799844,62cyclictest0-21swapper/222:10:142
1184799844,55cyclictest0-21swapper/200:12:202
1184799844,11cyclictest0-21swapper/221:05:342
1184799844,11cyclictest0-21swapper/221:05:342
1184799835,61cyclictest0-21swapper/219:17:532
1184799834,62cyclictest1165-21lldpd23:20:132
1184799834,61cyclictest0-21swapper/223:30:312
1184799834,54cyclictest0-21swapper/221:45:362
1184799834,53cyclictest0-21swapper/220:10:382
1184799834,12cyclictest0-21swapper/223:25:462
1184799834,12cyclictest0-21swapper/222:15:202
1184799834,12cyclictest0-21swapper/220:44:442
1184799834,12cyclictest0-21swapper/219:10:272
1184799834,12cyclictest0-21swapper/219:00:242
11847998316,44cyclictest0-21swapper/223:05:142
1184799824,61cyclictest0-21swapper/223:55:142
1184799824,61cyclictest0-21swapper/223:55:142
1184799824,54cyclictest0-21swapper/222:30:252
1184799824,12cyclictest0-21swapper/221:01:132
1184799824,12cyclictest0-21swapper/220:00:242
1184799824,12cyclictest0-21swapper/219:40:122
1184799824,12cyclictest0-21swapper/219:40:122
1184799823,10cyclictest3643-21munin-node19:35:422
11847998219,44cyclictest12894-21gltestperf18:45:312
1184799814,58cyclictest0-21swapper/220:30:212
1184799814,14cyclictest0-21swapper/218:50:272
1184799814,12cyclictest0-21swapper/222:50:192
1184799814,12cyclictest0-21swapper/218:45:122
1184799813,56cyclictest0-21swapper/200:00:142
1184799813,55cyclictest0-21swapper/218:55:302
1184799813,55cyclictest0-21swapper/218:55:302
1184799804,57cyclictest0-21swapper/222:07:002
11847998010,8cyclictest0-21swapper/223:46:442
1184799794,56cyclictest0-21swapper/220:15:262
1184799794,53cyclictest0-21swapper/221:50:182
1184799794,53cyclictest0-21swapper/221:50:182
1184799794,12cyclictest0-21swapper/220:55:062
11847997916,47cyclictest0-21swapper/223:54:132
1184799784,57cyclictest0-21swapper/223:45:002
1184799784,12cyclictest0-21swapper/221:55:222
1184799783,10cyclictest9594-21munin-node20:55:172
11847997823,49cyclictest25939-21grep22:35:222
1184799774,65cyclictest0-21swapper/219:25:402
11847997733,37cyclictest2820-21cat19:30:432
1184799773,11cyclictest0-21swapper/200:06:432
1184799768,9cyclictest114550irq/46-eth020:35:222
1184799764,17cyclictest0-21swapper/222:25:222
1184799754,18cyclictest0-21swapper/220:20:382
1184799754,14cyclictest0-21swapper/223:10:162
1184799754,14cyclictest0-21swapper/223:10:162
1184799753,56cyclictest0-21swapper/219:45:362
1184799744,14cyclictest0-21swapper/221:25:402
1184799744,13cyclictest0-21swapper/220:07:372
11840997419,47cyclictest0-21swapper/019:30:220
11840997325,42cyclictest0-21swapper/023:32:340
213672720,5sleep121371-21crond19:05:111
11840997131,33cyclictest29630-21sadc22:45:020
11840997126,38cyclictest1369-21runrttasks23:40:250
11840997018,44cyclictest0-21swapper/020:40:120
243799680,26rtkit-daemon2436-21rtkit-daemon20:05:310
11840996820,41cyclictest0-21swapper/023:00:280
11840996738,22cyclictest0-21swapper/018:45:110
11840996725,35cyclictest1243-21snmpd21:40:460
11840996723,15cyclictest0-21swapper/021:30:270
11840996722,38cyclictest0-21swapper/000:05:330
11840996624,35cyclictest5979-21munin-node21:55:310
11840996623,26cyclictest8442-21munin-node19:45:380
11840996621,38cyclictest0-21swapper/021:50:190
11840996621,38cyclictest0-21swapper/021:50:190
11840996621,38cyclictest0-21swapper/021:10:330
11840996620,39cyclictest23787-21uname20:15:340
11840996524,34cyclictest0-21swapper/022:08:340
11840996520,38cyclictest0-21swapper/000:02:180
11840996518,30cyclictest0-21swapper/022:00:210
11840996431,26cyclictest18435-21grep23:25:350
11840996423,26cyclictest14450-21munin-node18:50:400
11840996418,30cyclictest0-21swapper/019:40:100
11840996417,40cyclictest0-21swapper/023:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional