You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-26 - 10:06

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 Sun Oct 26, 2025 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26584224322190,97sleep00-21swapper19:06:470
269919916512,129cyclictest32148-21munin-run19:40:020
269919916314,126cyclictest4728-21apt-get23:25:260
269919916210,124cyclictest13824-21apt-get21:06:550
269919916018,117cyclictest2716-21munin-run23:15:010
269919915818,98cyclictest12202-21df00:10:290
269919915813,121cyclictest1278-21grep23:05:470
269919915810,121cyclictest11973-21apt-get20:56:350
269919915715,22cyclictest27028-21apt-get22:25:220
269919915713,27cyclictest6168-21latency_hist20:20:090
269919915712,121cyclictest2946-21apt-get23:15:300
269919915617,117cyclictest9558-21sh20:40:000
269919915612,120cyclictest7177-21munin-run23:40:020
269919915611,44cyclictest7878-21grep20:26:140
269919915521,107cyclictest28334-21diskstats19:15:510
269919915511,28cyclictest6375-21sed20:20:220
269919915415,40cyclictest27822-21apt-get22:30:190
269919915412,115cyclictest15932-21grep00:31:060
269919915411,29cyclictest23579-21grep22:01:040
269919915411,117cyclictest25808-21zcat22:15:570
269919915219,28cyclictest4722-21diskstats20:10:350
269919915214,112cyclictest19065-21/usr/sbin/munin21:35:230
269919915214,111cyclictest29054-21apt-get19:20:180
269919915211,119cyclictest10975-21mailstats00:00:590
269919915211,116cyclictest4509-21apt20:10:010
269919915210,105cyclictest13836-21grep21:05:050
269919915133,23cyclictest22809-21unixbench_singl21:56:040
269919915119,27cyclictest5681-21apt-get23:30:240
269919915118,110cyclictest112-21systemd-journal22:45:220
269919915118,106cyclictest31036-21apt-get22:50:210
269919915114,113cyclictest2095-21munin-run19:55:020
269919915113,98cyclictest15106-21if_eth021:10:530
269919915032,19cyclictest0-21swapper20:45:580
269919915022,28cyclictest30759-21diskstats19:30:350
269919915017,29cyclictest16815-21memory21:20:440
269919915012,27cyclictest11722-21rt-features00:05:580
269919915011,27cyclictest25273-21sshd22:14:220
269919915010,27cyclictest8703-21unixbench_singl20:31:060
269919914918,105cyclictest23800-21apt-get22:05:200
269919914917,107cyclictest8194-21df23:45:270
269919914914,111cyclictest32053-21cat22:55:410
269919914913,98cyclictest4605-21cat23:25:070
269919914912,114cyclictest416-21grep19:41:040
269919914910,24cyclictest10354-21sshd23:56:250
269919914910,115cyclictest16457-21sendmail21:20:020
269919914817,30cyclictest19897-21df_inode21:40:320
269919914816,107cyclictest26540-21ntp_states22:20:520
269919914815,111cyclictest27784-21munin-run19:15:020
269919914813,28cyclictest30068-21/usr/sbin/munin19:25:430
269919914813,24cyclictest20586-21/usr/sbin/munin21:45:500
269919914812,25cyclictest1290-21kworker/u2:219:50:020
269919914812,24cyclictest21975-21grep21:51:030
269919914812,23cyclictest18343-21irqstats21:30:390
269919914812,22cyclictest13591-21modprobe00:20:010
269919914717,25cyclictest29325-21munin-run22:40:010
269919914715,105cyclictest16115-21/usr/sbin/munin00:35:350
269919914714,40cyclictest3088-21wc20:00:250
269919914711,113cyclictest11302-21cpu20:50:240
269919914621,100cyclictest17372-21apt-get21:25:210
269919914614,22cyclictest13903-21irqstats00:20:390
269919914613,27cyclictest8887-21apt-get23:50:170
269919914514,23cyclictest14630-21df00:25:280
269919914513,21cyclictest2502-21grep19:55:500
26991991449,114cyclictest29439-21modprobe22:40:070
269919914418,26cyclictest32755-21df23:00:260
269919914417,25cyclictest7297-21apt-get23:40:230
269919914313,106cyclictest9856-21irqstats20:40:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional