You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-26 - 16:13

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 26, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25757224332200,87sleep00-21swapper07:09:420
258379916311,128cyclictest10142-21find08:45:540
258379916220,114cyclictest11711-21apt-get12:15:170
258379916145,25cyclictest29670-21latency_hist10:45:040
258379916013,31cyclictest19433-21/usr/sbin/munin09:46:450
258379915939,99cyclictest1637-21latency_hist07:55:050
258379915918,24cyclictest14419-21munin-run09:15:000
258379915815,41cyclictest29797-21/usr/sbin/munin07:30:540
258379915814,120cyclictest2792-21munin-run11:20:020
258379915727,107cyclictest0-21swapper11:20:440
258379915721,26cyclictest28692-21apt-get07:25:190
258379915712,121cyclictest31419-21apt-get07:41:360
258379915623,30cyclictest30580-21apt-get07:35:400
258379915616,118cyclictest13396-21apt-get12:25:270
258379915614,36cyclictest8500-21/usr/sbin/munin11:55:520
258379915611,120cyclictest8835-21wc08:40:040
258379915527,105cyclictest0-21swapper11:00:030
258379915519,109cyclictest25380-21munin-run10:20:020
258379915516,115cyclictest12134-21apt-get09:00:170
258379915512,27cyclictest5316-21mailstats08:15:570
258379915512,23cyclictest10513-21/usr/sbin/munin08:51:000
258379915512,119cyclictest22743-21apt-get10:06:360
258379915512,116cyclictest27131-21/usr/sbin/munin07:15:400
258379915419,26cyclictest14366-21apt-get12:30:210
258379915415,115cyclictest26644-21munin-node07:15:080
258379915414,115cyclictest5815-21/usr/sbin/munin08:20:250
258379915413,24cyclictest18448-21munin-run09:40:020
258379915412,25cyclictest784-21ntpq11:05:480
258379915412,118cyclictest4312-21sort08:10:400
258379915411,44cyclictest28821-21sendmail10:40:020
258379915322,102cyclictest14631-21diskstats09:15:340
258379915312,24cyclictest27833-21grep10:30:590
258379915311,42cyclictest5580-21grep11:35:460
258379915311,24cyclictest25376-21apt-get10:21:410
258379915310,25cyclictest6765-21head11:41:020
258379915310,121cyclictest32439-21tr11:00:470
258379915310,119cyclictest13055-21sort12:20:570
25837991529,45cyclictest9101-21uname08:40:390
258379915239,93cyclictest851-21latency_hist07:50:060
258379915222,99cyclictest29742-21apt-get10:45:210
258379915220,29cyclictest20392-21apt-get09:50:290
258379915215,34cyclictest0-21swapper11:50:590
258379915214,114cyclictest1386-21df11:10:250
258379915212,22cyclictest16578-21find09:25:540
258379915211,39cyclictest3274-21grep08:05:050
258379915211,25cyclictest19274-21latency_hist09:45:060
258379915129,100cyclictest0-21swapper09:30:470
258379915120,102cyclictest15159-21apt-get12:35:200
258379915119,26cyclictest1775-21df07:55:260
258379915116,109cyclictest6915-21apt-get11:45:180
258379915017,27cyclictest30533-21/usr/sbin/munin10:50:350
258379915015,39cyclictest12014-21munin-run09:00:020
258379915014,114cyclictest3402-21diskstats08:05:300
258379915010,116cyclictest7918-21grep08:31:040
258379915010,116cyclictest13559-21grep09:06:020
258379914931,97cyclictest26951-21zcat10:26:020
258379914913,27cyclictest7029-21switchtime08:26:000
258379914813,111cyclictest9498-21irqstats12:00:370
258379914812,113cyclictest111-21systemd-journal12:10:000
258379914719,27cyclictest28140-21memory07:20:430
258379914715,106cyclictest15526-21irqstats09:20:380
258379914713,109cyclictest4276-21/usr/sbin/munin11:26:010
258379914611,23cyclictest272-21snmpd10:01:020
258379914516,25cyclictest5197-21munin-run11:35:020
258379914512,22cyclictest111-21systemd-journal12:12:070
258379914428,100cyclictest23436-1kworker/u3:310:10:180
258379914216,24cyclictest21328-21df09:55:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional