You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-15 - 12:56

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 Tue Sep 15, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23842224362195,97sleep00-21swapper19:08:320
240549916117,26cyclictest29207-21munin-run19:40:020
240549915820,29cyclictest11953-21memory00:30:450
240549915814,52cyclictest8329-21/usr/sbin/munin20:50:350
240549915617,24cyclictest31994-21diskstats23:15:300
240549915617,100cyclictest5751-21munin-run23:55:020
240549915610,22cyclictest21872-21apt-get22:16:320
240549915517,113cyclictest31028-21df_inode19:50:300
240549915517,109cyclictest23831-21apt-get22:25:190
240549915515,94cyclictest7471-21/usr/sbin/munin00:06:070
240549915513,39cyclictest8959-21apt-get00:16:580
240549915512,100cyclictest2091-21/usr/sbin/munin23:30:460
240549915511,100cyclictest18833-21wc21:55:230
240549915510,121cyclictest24675-21cat19:10:590
240549915426,106cyclictest3937-21grep20:21:010
240549915413,118cyclictest5586-21apt-get20:36:300
240549915317,92cyclictest24957-21munin-node19:15:110
240549915316,26cyclictest30298-21irqstats19:45:390
240549915316,114cyclictest25662-21memory22:35:420
240549915314,23cyclictest6554-21munin-run00:00:010
240549915313,117cyclictest27598-21modprobe19:30:000
240549915310,122cyclictest12784-21systemd-journal22:03:110
240549915239,92cyclictest31759-21sshd23:11:110
240549915217,24cyclictest6676-21apt-get00:00:180
240549915217,19cyclictest7709-21irqstats20:45:390
240549915214,22cyclictest13414-21memory21:20:440
240549915213,25cyclictest10721-21sort00:21:130
240549915212,116cyclictest21290-21/usr/sbin/munin22:10:290
240549915210,24cyclictest16566-21uname21:40:410
240549915210,118cyclictest2641-21sshd23:35:110
240549915124,20cyclictest0-21swapper20:40:460
240549915122,101cyclictest1675-21apt-get20:10:230
240549915118,106cyclictest10748-21apt-get21:05:190
240549915115,21cyclictest11610-21latency_hist00:30:010
240549915110,28cyclictest14587-21grep21:26:030
240549915015,25cyclictest29326-21/usr/sbin/munin19:40:500
240549915013,28cyclictest877-21/usr/sbin/munin20:05:500
240549915012,27cyclictest29322-21modprobe23:00:010
240549915012,26cyclictest4261-21/usr/sbin/munin23:46:080
240549915012,114cyclictest24678-21grep22:30:230
240549915012,113cyclictest15559-21apt-get21:35:110
24054991498,44cyclictest1306-21sort23:25:450
240549914921,27cyclictest12343-21apt-get21:15:210
240549914918,104cyclictest3468-21apt-get23:40:190
240549914916,26cyclictest3174-21apt20:20:020
240549914916,108cyclictest29558-21df_inode23:00:270
240549914915,36cyclictest0-21swapper19:30:590
240549914915,23cyclictest32645-21df_inode20:00:300
240549914914,114cyclictest5576-21cron20:35:000
240549914913,36cyclictest15450-21modprobe21:35:010
240549914912,32cyclictest31714-21/usr/sbin/munin19:56:050
240549914911,115cyclictest18021-21/usr/sbin/munin21:50:220
240549914827,21cyclictest0-21swapper00:35:350
240549914816,23cyclictest20626-21memory22:05:460
240549914814,24cyclictest4092-21/usr/sbin/munin20:25:400
240549914813,114cyclictest8912-21unixbench_singl00:11:030
240549914719,25cyclictest23038-21apt-get22:20:260
240549914716,23cyclictest28527-21apt22:55:010
240549914715,110cyclictest27141-21df22:45:260
240549914711,20cyclictest9947-21/usr/sbin/munin21:01:000
240549914618,22cyclictest26231-21diskstats19:20:330
240549914615,22cyclictest364-21diskstats23:20:360
240549914519,100cyclictest17175-21/usr/sbin/munin21:46:080
240549914517,26cyclictest9231-21df_inode20:55:270
240549914515,106cyclictest26348-21df_inode22:40:280
240549914510,41cyclictest30984-21apt23:10:010
240549914218,101cyclictest11651-21df_inode21:10:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional