You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-13 - 00:32

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 376 highest latencies:
System rack5slot7s.osadl.org (updated Thu Jun 12, 2025 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31709224302185,95sleep00-21swapper07:08:420
318989917613,114cyclictest5964-21apt-get11:05:240
318989917520,125cyclictest13332-21apt-get11:50:220
318989915941,24cyclictest16583-21/usr/sbin/munin12:10:210
318989915911,122cyclictest17817-21cut12:16:020
318989915722,31cyclictest20615-21memory09:15:460
318989915715,117cyclictest19613-21users12:26:040
318989915628,18cyclictest10494-21ps11:30:540
318989915616,117cyclictest11000-21apt-get08:21:040
318989915615,116cyclictest969-21modprobe10:35:010
318989915612,28cyclictest7797-21tr08:00:020
318989915514,114cyclictest8699-21/usr/sbin/munin08:05:270
318989915514,101cyclictest21242-21apt12:40:020
318989915511,118cyclictest18453-21apt-get09:05:380
318989915418,115cyclictest18455-21munin-run09:05:000
318989915414,116cyclictest11349-21sendmail_mailqu11:35:560
318989915414,115cyclictest24271-21cron09:40:000
318989915411,119cyclictest22701-21latency_hist09:30:030
318989915338,24cyclictest17228-21grep08:55:490
318989915320,106cyclictest5500-21apt-get07:45:220
318989915317,22cyclictest10404-21diskstats08:15:330
318989915315,115cyclictest26065-21apt-get09:50:250
318989915313,27cyclictest16919-21wc08:55:050
318989915312,118cyclictest1075-21apt-get10:35:230
318989915311,120cyclictest4170-21tr07:35:500
318989915223,32cyclictest0-21swapper11:05:000
318989915216,22cyclictest2008-21diskstats10:40:350
318989915216,113cyclictest7594-21sshd11:12:220
31898991517,121cyclictest15406-21cat08:45:220
318989915115,26cyclictest22947-21if_eth009:30:380
318989915115,112cyclictest31027-21munin-run10:20:020
318989915113,24cyclictest3649-21cat07:31:020
318989915113,114cyclictest12416-21sort08:25:540
318989915112,28cyclictest20286-21wc09:15:020
318989915110,23cyclictest5252-21grep07:41:000
318989915110,117cyclictest16318-21grep12:06:000
318989915110,116cyclictest3549-21ls10:50:210
318989915017,25cyclictest20442-21apt12:35:000
318989915017,23cyclictest32704-21munin-node07:15:060
318989915017,21cyclictest9737-21memory08:10:450
318989915016,24cyclictest1671-21irqstats07:20:390
318989915014,111cyclictest6778-21grep07:50:590
318989915010,115cyclictest27023-21apt-get09:55:240
318989915010,100cyclictest25569-21proc_pri09:45:530
318989914975,51cyclictest13809-21/usr/sbin/munin08:35:240
318989914919,29cyclictest29475-21apt-get10:10:210
318989914916,105cyclictest24410-21apt-get09:40:190
318989914915,37cyclictest28451-21grep10:01:040
318989914912,113cyclictest9350-21cpu11:25:220
318989914831,22cyclictest0-21swapper11:55:210
318989914818,28cyclictest4935-21users10:56:060
318989914818,21cyclictest0-21swapper07:15:400
318989914815,108cyclictest8018-21diskstats08:00:310
318989914814,110cyclictest31208-21/usr/sbin/munin10:20:210
318989914812,23cyclictest21571-21grep09:20:560
318989914811,25cyclictest18212-21egrep12:20:220
31898991478,115cyclictest31995-21grep10:25:220
318989914726,22cyclictest0-21swapper10:05:250
318989914716,104cyclictest7714-21apt-get11:15:170
318989914712,26cyclictest8661-21/usr/sbin/munin11:20:340
318989914712,23cyclictest13284-21/usr/sbin/munin08:30:520
318989914711,109cyclictest14663-21df_inode08:40:280
318989914612,25cyclictest3243-21/usr/sbin/munin10:46:020
318989914513,107cyclictest11744-21/usr/sbin/munin11:40:460
318989914411,38cyclictest15485-21awk12:01:010
318989914327,20cyclictest2423-21/usr/sbin/munin07:25:350
318989914320,96cyclictest12651-21diskstats11:45:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional