You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-26 - 21:19

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 Wed Aug 26, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22624224402211,90sleep00-21swapper07:08:290
228429916515,126cyclictest8614-21munin-run09:00:020
228429916219,103cyclictest557-21df08:10:270
228429916117,121cyclictest32228-21diskstats08:05:340
228429916113,105cyclictest23680-21sort07:15:070
228429916018,118cyclictest1622-21apt-get11:32:120
228429915914,119cyclictest23746-21munin-node09:45:120
228429915814,28cyclictest6786-21munin-run08:50:030
228429915812,118cyclictest8532-21/usr/sbin/munin12:16:080
228429915733,22cyclictest30725-21latency07:55:420
228429915718,111cyclictest26495-21apt-get07:30:170
228429915717,28cyclictest1252-21apt-get08:15:170
228429915715,118cyclictest10372-21apt-get09:10:250
228429915713,121cyclictest12784-21systemd-journal09:27:340
228429915640,23cyclictest9996-21unixbench_singl12:21:060
228429915624,32cyclictest0-21swapper08:50:170
228429915614,24cyclictest25133-21munin-run10:40:010
228429915611,121cyclictest30107-21grep11:06:030
228429915514,24cyclictest2219-21df11:35:330
228429915514,116cyclictest17511-21awk09:50:490
228429915513,118cyclictest2775-21latency_hist08:25:010
228429915434,20cyclictest8731-21/usr/sbin/munin09:00:350
228429915418,25cyclictest26423-21irqstats10:46:130
228429915416,114cyclictest10955-21apt-get12:30:180
228429915414,113cyclictest4412-21sshd11:49:330
228429915410,120cyclictest24793-21sendmail07:20:030
228429915321,28cyclictest6148-21apt-get12:00:200
228429915315,115cyclictest21921-21munin-run10:20:030
228429915312,117cyclictest26049-21latency_hist10:45:090
228429915312,116cyclictest25202-21/usr/sbin/munin07:20:480
228429915220,106cyclictest15418-21apt-get09:40:270
228429915218,107cyclictest32223-21ntp_states11:20:500
228429915216,21cyclictest2989-21diskstats08:25:340
228429915216,109cyclictest5295-21apt-get08:40:170
228429915214,115cyclictest30895-21sed11:11:030
228429915112,115cyclictest29115-21cat07:45:420
228429915111,28cyclictest20635-21grep10:10:410
228429915111,117cyclictest27819-21sort07:35:590
228429915110,115cyclictest30386-21sshd07:54:330
228429915016,26cyclictest9528-21apt-get09:05:190
228429915016,111cyclictest22938-21df10:25:250
228429915014,37cyclictest4581-21diskstats08:35:340
228429915013,22cyclictest11446-21df09:15:330
228429915012,26cyclictest4287-21sed08:31:030
228429915012,115cyclictest18623-21grep09:56:030
228429915011,27cyclictest20265-21grep10:06:040
228429915010,114cyclictest19370-21grep10:01:020
22842991498,99cyclictest25776-21wc07:25:230
228429914931,20cyclictest0-21swapper11:51:050
228429914918,105cyclictest2941-21apt-get11:40:130
228429914913,97cyclictest12218-21mailstats12:36:000
228429914913,113cyclictest7372-21wc12:05:560
228429914910,25cyclictest16882-21snmpd12:00:020
228429914817,105cyclictest12348-21irqstats09:20:380
228429914816,29cyclictest31320-21/usr/sbin/munin08:01:000
228429914812,25cyclictest942-21/usr/sbin/munin11:30:050
228429914812,111cyclictest14650-21cat09:35:240
228429914716,23cyclictest28214-21df07:40:270
228429914715,107cyclictest27981-21diskstats10:55:330
228429914714,111cyclictest13878-21diskstats09:30:330
228429914713,113cyclictest27079-21apt-get10:50:170
228429914713,111cyclictest24267-21unixbench_singl10:31:040
228429914711,112cyclictest10234-21/usr/sbin/munin12:25:230
228429914540,86cyclictest31270-21kernelversion11:15:410
228429914516,25cyclictest28796-21df_inode11:00:290
228429914419,26cyclictest22697-21users10:21:060
228429914418,28cyclictest7840-21df12:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional