You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-13 - 21:50

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 #e, 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
  TI
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot6s.osadl.org (updated Thu Nov 13, 2025 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2813244998983,3cyclictest0-21swapper/010:38:460
2813245998356,17cyclictest231ktimers/110:38:461
2813245996926,9cyclictest0-21swapper/107:50:201
281324499681,52cyclictest0-21swapper/010:15:150
2813248996625,34cyclictest0-21swapper/212:15:292
2813248996625,34cyclictest0-21swapper/208:40:282
2813245996639,5cyclictest2815172-21cron07:19:591
2813248996527,33cyclictest0-21swapper/211:30:282
2813248996417,15cyclictest2843365-21/usr/sbin/munin10:05:222
2813248996417,15cyclictest2843365-21/usr/sbin/munin10:05:212
281324899624,17cyclictest0-21swapper/208:40:012
2813248996215,41cyclictest2831522-21/usr/sbin/munin08:55:182
2813248996014,36cyclictest0-21swapper/209:15:282
2813248996014,36cyclictest0-21swapper/209:15:282
2813248995926,27cyclictest0-21swapper/207:45:262
2813248995813,36cyclictest0-21swapper/208:15:002
2813248995813,36cyclictest0-21swapper/208:15:002
2813248995717,31cyclictest0-21swapper/211:55:292
2813248995714,34cyclictest0-21swapper/209:00:292
2813248995714,34cyclictest0-21swapper/209:00:292
2813248995713,35cyclictest2862312-21ps11:50:262
2813248995711,36cyclictest0-21swapper/208:20:002
2813248995710,4cyclictest168450irq/134-8000000.ethernet-tx208:00:272
2813248995616,35cyclictest0-21swapper/212:10:012
2813248995616,30cyclictest0-21swapper/209:45:222
281324499564,22cyclictest15-21rcuc/010:05:010
281324899559,37cyclictest0-21swapper/210:45:292
281324899559,37cyclictest0-21swapper/210:45:292
2813248995521,29cyclictest0-21swapper/207:25:142
281324899551,5cyclictest2823596-21grep08:05:282
2813248995514,32cyclictest0-21swapper/211:15:292
281324899551,11cyclictest2849729-21sshd10:38:452
281324899545,40cyclictest0-21swapper/209:25:302
2813248995412,33cyclictest0-21swapper/209:05:222
281324899541,11cyclictest2861102-21apt-get11:45:162
281324899536,37cyclictest0-21swapper/211:40:252
281324899532,13cyclictest2838826-21tail09:35:312
2813248995319,26cyclictest0-21swapper/207:35:292
281324899531,7cyclictest2825701-21/usr/sbin/munin08:20:182
2813248995311,33cyclictest0-21swapper/210:30:192
281324899523,9cyclictest2855737-21grep11:10:302
2813248995232,15cyclictest0-21swapper/207:34:592
281324899521,9cyclictest2859401-21/usr/sbin/munin11:35:302
281324899521,9cyclictest2856882-21/usr/sbin/munin11:20:212
2813248995217,31cyclictest0-21swapper/209:55:282
2813248995215,28cyclictest0-21swapper/212:35:292
2813248995215,28cyclictest0-21swapper/212:35:292
2813248995212,31cyclictest0-21swapper/212:20:252
281324899521,11cyclictest2830874-21cut08:50:212
281324899519,33cyclictest0-21swapper/210:20:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional