You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 23:10

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 #4, 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
  
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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot6s.osadl.org (updated Thu Dec 04, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2747322450,2sleep027476-21mailstats10:50:270
3012021600,4chrt29721-21/usr/sbin/munin08:55:280
2061221410,3chrt20426-21/usr/sbin/munin12:30:190
2174121300,3chrt21744-21latency_hist10:30:010
1961621220,3sleep019614-21swap12:25:290
1681821130,3sleep016762-21/usr/sbin/munin08:05:150
671621100,2sleep06718-21ls11:35:280
80862980,4sleep08144-21grep09:35:310
180502920,2sleep018051-21/usr/sbin/munin10:15:150
112212900,4sleep011248-21wc11:55:000
324822870,4sleep032486-21sshd11:10:250
150827820,31sleep01514-21ntp_states07:05:210
142872770,3sleep014348-21ntp_kernel_pll_10:00:190
219212750,3sleep021922-21/usr/sbin/munin10:30:140
2437996630,27cyclictest28376-21/usr/sbin/munin10:55:160
19082643,6sleep00-21swapper11:17:490
2437996329,25cyclictest9320-21/usr/sbin/munin09:40:250
2437996234,16cyclictest4098-21/usr/sbin/munin07:15:230
2437996221,15cyclictest16622-21cron08:05:000
2437996210,16cyclictest2443-21/usr/sbin/munin09:15:250
243799618,17cyclictest16672-21/usr/sbin/munin10:10:270
2437996036,15cyclictest11581-21/usr/sbin/munin09:50:160
243799599,18cyclictest10601-21ntpq07:40:250
2437995934,15cyclictest2338-21/usr/sbin/munin11:20:150
2437995934,14cyclictest11663-21/usr/sbin/munin07:45:130
2437995933,16cyclictest22344-21/usr/sbin/munin08:25:250
2437995929,17cyclictest31321-21ntp_states09:00:250
2437995912,17cyclictest11545-21memory11:55:190
2437995910,17cyclictest5385-21/usr/sbin/munin11:30:290
188192593,8sleep00-21swapper08:11:510
243799589,17cyclictest8988-21/usr/sbin/munin07:35:280
243799589,15cyclictest13955-21munin-run10:00:010
243799588,16cyclictest5141-21/usr/sbin/munin07:20:260
243799587,19cyclictest15247-21/usr/sbin/munin12:10:310
2437995835,14cyclictest6682-21/usr/sbin/munin07:25:200
2437995810,16cyclictest3748-21/usr/sbin/munin11:25:160
2437995810,16cyclictest21722-21sshd08:24:210
2437995810,14cyclictest5049-21munin-node09:25:130
243799579,18cyclictest25867-21/usr/sbin/munin08:40:330
243799579,17cyclictest3762-21/usr/sbin/munin09:20:280
243799579,16cyclictest16531-21/usr/sbin/munin12:15:200
243799579,15cyclictest7503-21/usr/sbin/munin11:40:180
243799578,17cyclictest30351-21sshd11:01:310
243799578,17cyclictest1575-21chrt09:10:270
243799578,17cyclictest10213-21/usr/sbin/munin09:45:150
243799578,15cyclictest6334-21/usr/sbin/munin09:30:290
243799578,15cyclictest23526-21grep08:30:200
2437995710,18cyclictest24445-21/usr/sbin/munin10:40:190
95292563,5sleep00-21swapper11:46:380
243799569,15cyclictest24832-21ntp_states08:35:210
243799569,14cyclictest28432-21munin-node08:50:130
243799569,14cyclictest14151-21/usr/sbin/munin07:55:130
243799568,17cyclictest27336-21runrttasks08:45:180
243799568,17cyclictest19330-21/usr/sbin/munin08:15:210
243799567,16cyclictest17855-21/usr/sbin/munin12:20:270
2437995632,16cyclictest25861-21/usr/sbin/munin10:45:160
2437995632,15cyclictest8023-21/usr/sbin/munin07:30:250
2437995631,16cyclictest3791-21latency_hist07:15:010
2437995631,16cyclictest24203-21runrttasks10:39:210
2437995631,16cyclictest15956-21/usr/sbin/munin10:05:300
243799559,14cyclictest32510-21memory09:05:190
243799558,15cyclictest12962-21ntp_states12:00:230
243799557,14cyclictest21709-21/usr/sbin/munin12:35:140
2437995531,15cyclictest19803-21/usr/sbin/munin10:20:290
2437995531,15cyclictest14060-21latency_hist07:55:010
2437995531,14cyclictest30992-21/usr/sbin/munin11:05:150
243799549,13cyclictest13964-21/usr/sbin/munin12:05:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional