You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 08:01

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 792 highest latencies:
System rack5slot7s.osadl.org (updated Tue May 19, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15814224242194,89sleep00-21swapper19:09:580
158609916117,121cyclictest20853-21ntp_states19:36:550
158609916016,119cyclictest3470-21apt-get21:12:010
158609916013,121cyclictest15418-21apt-get22:21:340
158609915917,118cyclictest22973-21cat23:05:050
15860991589,24cyclictest30875-21apt-get20:41:290
158609915817,24cyclictest31249-21apt23:55:090
158609915816,118cyclictest27077-21apt-get23:30:270
158609915814,100cyclictest31260-21apt-get23:55:220
158609915813,120cyclictest18979-21/usr/sbin/munin22:40:100
158609915813,119cyclictest13353-21awk22:05:580
158609915812,123cyclictest27670-21munin-run20:20:030
158609915716,24cyclictest26911-21/usr/sbin/munin23:30:050
158609915712,119cyclictest30904-21gpgv20:40:060
158609915611,118cyclictest10020-21sshd21:45:550
158609915521,29cyclictest22263-21diskstats19:45:340
158609915511,118cyclictest26124-21cat23:25:020
158609915416,115cyclictest23642-21sh19:55:020
158609915415,23cyclictest19616-21df_inode19:30:290
158609915412,27cyclictest15410-21modprobe22:20:010
158609915412,21cyclictest6088-21users21:21:040
158609915412,118cyclictest2968-21grep00:20:040
158609915412,117cyclictest26599-21awk20:10:580
158609915412,114cyclictest5916-21grep00:35:550
158609915410,122cyclictest11269-1kworker/u3:122:11:530
158609915338,22cyclictest28959-21df23:40:260
158609915321,106cyclictest744-21diskstats00:05:330
158609915318,24cyclictest18954-21memory19:25:430
158609915318,113cyclictest20478-21munin-run22:50:010
158609915313,22cyclictest30075-21apt20:35:020
15860991529,117cyclictest24792-21grep20:00:410
158609915237,92cyclictest28883-21/usr/sbin/munin20:25:470
158609915218,107cyclictest23745-21apt-get19:55:180
158609915215,113cyclictest29966-21ntp_states23:45:540
158609915120,27cyclictest18158-21apt-get22:35:170
158609915119,94cyclictest16958-21irqstats19:15:200
158609915118,24cyclictest3472-21munin-run21:10:050
158609915117,95cyclictest16666-21munin-node19:15:070
158609915117,111cyclictest1261-21df_inode20:55:280
158609915114,112cyclictest1978-21/usr/sbin/munin21:00:570
158609915114,111cyclictest10470-21apt-get21:50:120
158609915113,24cyclictest6126-21apt-get21:26:250
158609915112,112cyclictest21373-21/usr/sbin/munin22:55:230
15860991509,115cyclictest24797-21ls23:15:430
158609915035,95cyclictest7801-21cat21:31:070
158609915013,114cyclictest5395-21munin-run00:35:000
158609915013,114cyclictest12087-21/usr/sbin/munin22:00:530
158609915012,116cyclictest21569-21sort19:40:500
158609915012,115cyclictest28459-21awk20:21:050
158609914939,90cyclictest4608-21latency_hist00:30:020
158609914927,104cyclictest32656-21unixbench_singl20:46:130
158609914921,100cyclictest8052-21apt-get21:35:200
158609914915,25cyclictest28735-21apt23:40:010
158609914913,111cyclictest18548-21unixbench_singl19:21:020
158609914912,111cyclictest4599-21/usr/sbin/munin21:15:510
15860991489,115cyclictest17345-21grep22:30:050
158609914836,90cyclictest24495-21cat23:15:030
158609914822,100cyclictest17364-21apt-get22:30:210
158609914814,28cyclictest353-21/usr/sbin/munin20:51:060
158609914813,23cyclictest3752-21dpkg00:24:130
158609914711,98cyclictest32602-21awk00:00:580
158609914615,21cyclictest2143-21latency_hist00:15:030
158609914613,111cyclictest26062-21munin-run20:10:030
158609914611,111cyclictest20042-21snmpd22:00:030
158609914515,25cyclictest23105-21diskstats23:05:320
158609914511,110cyclictest9340-21sendmail_mailtr21:40:560
158609914311,108cyclictest20927-21/usr/sbin/munin22:50:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional