You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-25 - 18:36

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 all highest latencies:
System rack4slot6s.osadl.org (updated Sat Oct 25, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3158922980,2sleep031588-21forks08:05:150
2130222800,2sleep021301-21ntp_kernel_pll_09:30:240
2412021280,5chrt24122-21processes07:35:310
2617021140,2sleep026172-21sort09:50:020
1877421130,4sleep018324-21/usr/sbin/munin11:25:290
435221040,3sleep04351-21grep12:35:280
1604221020,4sleep016060-21missed_timers09:10:200
263992960,3sleep026061-21/usr/sbin/munin11:55:350
298122930,4sleep029828-21munin-run12:10:010
185372920,2sleep018539-21sort07:15:030
236272900,4sleep023714-21sed07:35:010
38232844,9sleep03860-21latency_hist12:35:010
304932820,3sleep030547-21mailstats10:05:300
93822816,62sleep09396-21irqstats10:50:180
264532814,7sleep026480-21ntpq09:50:210
68312766,56sleep06871-21memory10:40:190
290582766,58sleep029084-21ntp_states10:00:220
1593127619,35sleep015976-21cpu07:05:120
1718299668,22cyclictest8809-21sshd10:47:260
17182996212,16cyclictest15020-21chrt11:10:300
1718299618,19cyclictest6795-21/usr/sbin/munin08:35:270
28682600,2sleep02889-21idleruntime10:25:150
17182996011,15cyclictest26343-21/usr/sbin/munin07:45:270
1718299599,17cyclictest3290-21proc_pri08:20:270
1718299599,16cyclictest8102-21/usr/sbin/munin08:40:280
1718299598,17cyclictest4227-21/usr/sbin/munin08:25:230
1718299598,17cyclictest1887-21runrttasks08:15:210
17182995916,12cyclictest5667-21ntp_states10:35:240
17182995910,15cyclictest385-21ntp_states12:20:240
1718299588,18cyclictest19889-21/usr/sbin/munin07:20:310
1718299587,18cyclictest18571-21/usr/sbin/munin07:15:270
1718299587,16cyclictest1393-21tr10:20:010
17182995835,13cyclictest15097-21/usr/sbin/munin09:05:300
17182995811,18cyclictest22065-21munin-run11:40:000
17182995810,15cyclictest324-21munin-node09:35:130
1718299579,16cyclictest23165-21seq11:43:250
1718299579,15cyclictest22189-21snmpd08:31:250
1718299578,17cyclictest11847-21/usr/sbin/munin11:00:280
1718299578,16cyclictest25055-21/usr/sbin/munin07:40:240
1718299578,15cyclictest25074-21ntp_states11:50:270
1718299577,17cyclictest317-21seq08:10:090
1718299577,16cyclictest9386-21/usr/sbin/munin08:45:390
17182995733,16cyclictest1433-21/usr/sbin/munin12:25:150
17182995732,15cyclictest15804-21/usr/sbin/munin11:15:170
17182995717,14cyclictest17126-21/usr/sbin/munin11:20:180
17182995711,17cyclictest20050-21ntp_states09:25:240
17182995710,20cyclictest30482-21ntpq08:00:210
17182995710,18cyclictest10944-21tr08:50:210
1718299569,20cyclictest18351-21chrt09:20:000
1718299569,14cyclictest2595-21seq10:24:250
1718299568,17cyclictest21176-21/usr/sbin/munin07:25:230
1718299568,17cyclictest18473-21/usr/sbin/munin09:20:190
1718299568,16cyclictest13270-21/usr/sbin/munin09:00:190
17182995634,14cyclictest27811-21/usr/sbin/munin07:50:190
17182995632,15cyclictest27561-21/usr/sbin/munin12:00:200
17182995632,15cyclictest13288-21/usr/sbin/munin11:05:200
17182995630,15cyclictest1-21systemd08:55:200
17182995614,14cyclictest10986-21mailstats10:55:310
17182995610,14cyclictest23641-21/usr/sbin/munin09:40:190
1718299559,16cyclictest27627-21irqstats09:55:170
1718299559,12cyclictest291352sleep007:55:210
1718299558,16cyclictest31233-21/usr/sbin/munin12:15:220
1718299557,16cyclictest29959-21egrep12:10:160
1718299557,15cyclictest19904-21sshd11:30:250
1718299548,16cyclictest4089-21/usr/sbin/munin10:30:290
17182995430,16cyclictest31657-21ntp_states10:10:220
17182995430,15cyclictest24627-21runrttasks11:49:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional