You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-10 - 07:41

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 the highest latencies:
System rack5slot7s.osadl.org (updated Mon Aug 10, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21251224392196,83sleep00-21swapper19:05:110
225109915930,37cyclictest0-21swapper22:00:440
225109915814,118cyclictest28134-21/usr/sbin/munin23:01:080
225109915813,120cyclictest31534-21uname23:20:400
225109915717,118cyclictest24814-21munin-run22:40:030
225109915713,121cyclictest22989-21munin-run22:30:030
225109915710,122cyclictest7869-21cron00:14:590
225109915628,19cyclictest0-21swapper19:35:260
225109915616,23cyclictest26624-21df_inode22:50:280
225109915614,117cyclictest16882-21snmpd22:21:500
225109915612,27cyclictest8594-21head00:16:030
225109915611,123cyclictest23736-21apt-get19:15:370
22510991559,123cyclictest2559-21grep23:40:420
225109915510,27cyclictest5353-21sed23:56:030
225109915437,92cyclictest3943-21sort20:31:020
225109915418,113cyclictest26272-21diskstats19:30:330
225109915416,38cyclictest12521-21df_inode21:25:280
225109915416,114cyclictest22987-21apt-get22:31:030
22510991539,119cyclictest32492-21wc20:10:030
225109915318,27cyclictest5982-21wc20:45:430
225109915315,21cyclictest18950-21diskstats22:05:330
225109915314,116cyclictest26346-21head22:46:030
225109915313,24cyclictest6621-21/usr/sbin/munin00:05:470
225109915313,100cyclictest32210-21apt-get23:25:240
225109915216,112cyclictest2334-21cat20:21:020
225109915215,24cyclictest3822-21apt23:50:000
225109915215,24cyclictest13933-21cat21:35:030
225109915215,114cyclictest8917-21df_inode00:20:270
225109915214,96cyclictest17917-21apt22:00:010
225109915213,26cyclictest23410-21munin-node21:15:140
225109915212,96cyclictest25365-21/usr/sbin/munin19:25:350
225109915212,116cyclictest30525-21kworker/u2:123:30:160
225109915210,103cyclictest246-21in:imuxsock19:10:370
225109915137,20cyclictest8201-21apt-get21:00:290
225109915121,29cyclictest11306-21df00:35:290
225109915119,24cyclictest4251-21diskstats20:35:340
225109915117,22cyclictest21142-21munin-run22:20:040
225109915115,115cyclictest2216-21munin-run23:40:020
225109915115,113cyclictest16533-21diskstats21:50:350
225109915114,23cyclictest5228-21wc20:40:470
225109915112,26cyclictest16305-21sshd21:48:320
225109915040,90cyclictest29171-21timerwakeupswit19:46:030
225109915016,112cyclictest1021-21df20:15:240
225109915016,108cyclictest24931-21/usr/sbin/munin22:40:440
225109915013,113cyclictest30135-21sort19:55:050
225109914929,30cyclictest30990-21apt-get20:00:220
225109914928,103cyclictest14740-21latency_hist21:40:040
225109914923,99cyclictest3924-21apt-get23:50:210
225109914921,27cyclictest20291-21users22:11:060
225109914920,102cyclictest30409-21memory19:55:490
225109914915,93cyclictest5704-21sshd00:00:450
225109914913,114cyclictest9634-21wc21:06:020
225109914912,114cyclictest31059-21/usr/sbin/munin23:16:010
225109914820,27cyclictest27784-21apt-get19:40:220
225109914817,106cyclictest14833-21apt-get21:40:140
225109914815,109cyclictest10704-21awk00:30:490
225109914814,27cyclictest29182-21wc23:05:460
225109914814,109cyclictest27313-21/usr/sbin/munin22:55:210
225109914812,115cyclictest16882-21snmpd20:10:540
225109914811,24cyclictest7341-21date20:55:060
225109914726,22cyclictest0-21swapper20:55:360
225109914714,93cyclictest2662-21diskstats20:25:340
225109914636,24cyclictest10300-21/usr/sbin/munin21:10:530
225109914614,110cyclictest24744-21irqstats19:20:380
225109914530,20cyclictest0-21swapper00:30:020
22510991439,23cyclictest11688-21ls21:20:220
225109914314,106cyclictest30422-21munin-run23:15:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional