You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-03 - 00:03

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 Fri May 02, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1604122250,3sleep016042-21df11:00:120
854021450,2sleep08539-21ntp_states10:30:240
624821390,4chrt6247-21processes08:15:290
1885621380,3chrt18855-21/usr/sbin/munin09:05:150
1156921340,4chrt11572-21grep08:35:300
2170821330,4chrt21710-21grep11:20:250
59121300,4chrt592-21df10:00:160
215029912211,15cyclictest28222-21users11:45:300
215029912010,16cyclictest17387-21modprobe09:00:010
21502991197,14cyclictest325632sleep007:50:530
215029911912,17cyclictest15847-21munin-run11:00:010
215029911911,19cyclictest26072-21runrttasks09:32:210
21502991189,18cyclictest16069-21/usr/sbin/munin08:55:010
21502991188,16cyclictest27056-21ntp_states07:30:250
21502991188,15cyclictest20136-21df09:10:130
215029911810,17cyclictest25160-21sshd07:23:290
215029911810,15cyclictest5342-21sshd10:18:290
21502991179,16cyclictest2093-21df08:00:130
21502991179,13cyclictest1-21systemd11:56:290
215029911711,15cyclictest12749-21processes08:40:290
215029911710,15cyclictest5764-21/usr/sbin/munin08:15:010
21502991168,17cyclictest30093-21latency_hist11:55:010
21502991168,15cyclictest26528-21/usr/sbin/munin09:35:210
21502991167,16cyclictest10823-21seq10:40:050
21502991167,15cyclictest30970-21/usr/sbin/munin07:45:290
215029911512,16cyclictest24685-21sshd09:26:280
215029911510,17cyclictest22545-21munin-run09:20:010
215029911510,15cyclictest12444-21/usr/sbin/munin10:45:250
21502991148,14cyclictest29713-21users09:45:330
21502991147,18cyclictest22507-21df_inode11:25:170
21502991147,15cyclictest18278-21seq11:08:490
21502991147,13cyclictest31847-21ps12:00:250
215029911412,14cyclictest26639-21latency_hist07:30:010
21502991139,14cyclictest31111-21chrt09:51:250
21502991138,15cyclictest3393-21ntp_states10:10:250
21502991138,15cyclictest23939-21chrt07:19:130
21502991138,14cyclictest3829-21runrttasks12:18:130
21502991138,14cyclictest250492chrt11:35:130
21502991138,13cyclictest30510-21/usr/sbin/munin07:45:010
21502991137,16cyclictest739-21/usr/sbin/munin12:05:250
21502991128,18cyclictest24750-21chrt11:34:030
21502991128,17cyclictest8465-21/usr/sbin/munin12:35:290
21502991128,15cyclictest31682-21/usr/sbin/munin09:55:210
21502991128,15cyclictest1329-21users07:55:330
21502991128,14cyclictest5745-21df10:20:130
21502991128,14cyclictest269-21runrttasks10:50:130
21502991128,12cyclictest3604-21cat08:05:210
21502991127,14cyclictest27964-21cat09:40:170
21502991127,14cyclictest20347-21switchtime11:15:290
21502991126,16cyclictest22087-21switchtime07:10:290
21502991119,14cyclictest17925-21systemctl09:00:290
21502991118,16cyclictest26653-21ntp_states11:40:250
21502991118,15cyclictest4373-21cat12:20:180
21502991116,15cyclictest10000-21sshd10:35:300
21502991116,14cyclictest8164-21sshd08:23:290
21502991116,13cyclictest23863-21cat09:25:010
21502991109,18cyclictest28049-21/usr/sbin/munin07:35:300
21502991109,14cyclictest10039-21ntpq08:30:210
21502991107,14cyclictest7020-21df10:25:130
21502991107,13cyclictest14592-21sshd08:48:290
21502991106,16cyclictest6944-21cat12:30:170
21502991106,15cyclictest1608-21/usr/sbin/munin12:10:290
215029911010,18cyclictest2654-21sshd10:07:290
21502991097,17cyclictest5782-21ntp_states12:25:250
21502991096,14cyclictest8915-21basename08:25:290
21502991096,13cyclictest18610-21df11:10:140
215029910010,17cyclictest21553-21cat07:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional