You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-12 - 04:23

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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot7s.osadl.org (updated Thu Mar 12, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29671224372194,90sleep00-21swapper19:07:300
299979916517,123cyclictest8523-21munin-run20:15:050
299979916115,122cyclictest28809-21apt-get22:20:020
299979916010,26cyclictest31374-21unixbench_singl22:31:000
299979915920,110cyclictest12890-21apt-get20:40:150
29997991588,126cyclictest9687-21apt-get20:20:160
299979915842,21cyclictest30465-21processes19:10:530
299979915835,102cyclictest2558-21apt-get22:55:200
299979915814,20cyclictest8521-21apt-get20:16:090
299979915810,122cyclictest31489-21grep19:16:020
299979915729,21cyclictest0-21swapper22:10:050
299979915719,110cyclictest10233-21apt-get23:40:160
299979915716,24cyclictest3131-21df19:40:230
299979915711,120cyclictest19890-21ls21:21:010
299979915631,18cyclictest0-21swapper20:05:000
299979915617,26cyclictest6671-21apt-get23:20:450
299979915615,116cyclictest16532-21munin-run00:20:020
299979915613,25cyclictest14282-21sshd00:05:200
299979915612,102cyclictest2503-21apt-config22:55:070
299979915518,24cyclictest6675-21munin-run23:20:010
299979915514,118cyclictest5907-21cat23:15:040
299979915417,26cyclictest28970-21apt-get22:20:240
299979915413,118cyclictest32067-21apt-get19:20:300
299979915411,120cyclictest11925-21df23:50:260
299979915320,25cyclictest15027-21apt-get00:10:180
299979915316,108cyclictest16889-21apt-get21:05:180
299979915314,112cyclictest626-21apt-get19:25:270
299979915313,116cyclictest24799-21apt21:55:010
299979915311,98cyclictest32246-21apt-get22:41:510
299979915224,108cyclictest0-21swapper23:35:480
299979915220,107cyclictest7823-21apt-get23:25:230
299979915216,28cyclictest5418-21apt-get19:55:160
299979915216,113cyclictest22690-21irqstats21:40:390
299979915214,113cyclictest20800-21munin-run21:30:010
299979915213,27cyclictest21746-21egrep21:35:200
299979915213,101cyclictest16649-21/usr/sbin/munin00:20:330
299979915212,116cyclictest25590-21modprobe22:00:000
299979915211,116cyclictest18610-21grep00:30:520
299979915121,27cyclictest11586-21ntp_states20:30:500
299979915118,27cyclictest2211-21apt-get19:35:100
299979915117,106cyclictest12063-21apt-get20:35:160
29997991509,115cyclictest32303-21grep22:40:070
299979915014,24cyclictest16519-21find21:00:540
299979915012,119cyclictest28837-1kworker/u3:022:25:200
299979915012,113cyclictest27317-21/usr/sbin/munin22:10:210
299979915010,117cyclictest4451-21wc23:05:220
299979915010,117cyclictest21636-21latency_hist21:35:040
299979914931,19cyclictest0-21swapper22:05:040
299979914919,28cyclictest17445-21apt-get00:25:230
299979914915,27cyclictest14812-21/usr/sbin/munin20:50:510
299979914914,114cyclictest19192-21munin-run21:20:020
299979914912,112cyclictest8619-21sshd23:30:200
299979914911,115cyclictest10776-21tr20:25:480
299979914910,117cyclictest1941-21grep19:31:000
299979914910,116cyclictest19236-21cut00:35:410
299979914827,30cyclictest0-21swapper20:05:410
299979914813,26cyclictest11025-21apt-get23:45:130
299979914811,24cyclictest16039-21grep21:00:050
299979914715,45cyclictest3937-21df_inode19:45:300
299979914714,110cyclictest5790-21snmpd00:00:570
299979914714,109cyclictest23553-21memory21:45:430
299979914616,101cyclictest4624-21apt-get19:50:170
299979914611,111cyclictest3944-21wc23:01:000
299979914516,25cyclictest17794-21/usr/sbin/munin21:10:290
299979914513,28cyclictest13082-21awk23:55:570
299979914414,104cyclictest13683-21apt-get20:45:160
299979914316,24cyclictest1041-21df22:45:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional