You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-07 - 06:38

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 #2, 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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 100 highest latencies:
System rack2slot7s.osadl.org (updated Tue Jul 07, 2026 00:43:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3094175995337,12cyclictest3136213-21sshd21:20:400
3094176995143,5cyclictest3116960-21systemd-run20:30:011
3094177995041,6cyclictest3127927-21/usr/sbin/munin21:05:292
3094176994942,4cyclictest3186891-21cron22:45:011
3094176994739,5cyclictest3128952-21systemd-run21:10:021
3094177994637,5cyclictest3135076-21systemctl21:20:012
3094176994637,6cyclictest3130325-21switchtime21:10:481
3094177994537,5cyclictest1-21systemd21:30:022
3094177994536,6cyclictest3192983-21munin-run22:55:012
3094176994536,6cyclictest3144274-21ssh21:35:011
3094177994335,5cyclictest3163218-21fschecks_count22:05:292
3094177994335,5cyclictest3163218-21fschecks_count22:05:292
3094176994336,4cyclictest1001-21mta-sts-daemon20:30:401
3094177994233,6cyclictest3147323-21systemctl21:40:012
3094176994234,5cyclictest3214312-21systemd-run23:30:011
3094176994232,6cyclictest3244730-21ssh00:20:011
3094175994234,5cyclictest1-21systemd21:40:020
3094177994133,5cyclictest3187277-21aten_r2power_cu22:45:262
3094177994132,4cyclictest0-21swapper/219:20:012
3094176994132,6cyclictest3177799-21unin-run22:30:011
3094176994131,6cyclictest265-21systemd-journal00:33:081
3094175994133,5cyclictest3166852-21sendmail_mailqu22:10:420
3094177994032,5cyclictest3112432-21munin-run20:15:012
3094176994033,4cyclictest3170255-21unixbench_multi22:15:491
3094176994032,5cyclictest3193059-21latency_hist22:55:021
3094175994033,4cyclictest1003-21mta-sts-daemon22:30:020
3094175994032,6cyclictest0-21swapper/021:35:010
3094177993931,5cyclictest3220362-21cron23:40:012
3094176993933,3cyclictest0-21swapper/121:40:011
3094176993930,6cyclictest421-21dbus-daemon00:10:371
3094176993929,6cyclictest3232609-21cups-browsed00:05:181
3094175993933,4cyclictest3253889-21systemd-run00:35:020
3094175993932,4cyclictest3208206-21basename23:20:010
3094177993831,4cyclictest3200718-21unixbench_multi23:05:482
3094177993831,4cyclictest3200718-21unixbench_multi23:05:482
3094177993830,5cyclictest3236591-21needreboot00:05:342
3094177993829,6cyclictest265-21systemd-journal00:25:012
3094176993832,3cyclictest0-21swapper/122:05:381
3094176993832,3cyclictest0-21swapper/122:05:381
309417599389,24cyclictest3212328-21ssh23:25:390
3094175993829,6cyclictest421-21dbus-daemon20:25:010
3094177993730,3cyclictest0-21swapper/220:25:422
3094177993729,5cyclictest421-21dbus-daemon20:00:022
3094177993729,5cyclictest3186909-21awk22:45:012
3094177993728,6cyclictest3196669-21/usr/sbin/munin23:00:292
3094177993728,6cyclictest3196669-21/usr/sbin/munin23:00:292
3094177993727,6cyclictest1370083-21cupsd21:31:542
3094177993726,8cyclictest3227784-21mailstats23:50:452
3094176993731,3cyclictest3167910-21kworker/u8:2-xprtiod22:15:001
3094176993731,3cyclictest0-21swapper/122:00:011
3094176993730,5cyclictest3101945-21sendmail19:40:001
3094176993730,5cyclictest3101945-21sendmail19:40:001
3094176993729,5cyclictest3196021-21sendmail23:00:011
3094175993731,3cyclictest0-21swapper/021:45:260
3094175993728,7cyclictest3250838-21/usr/sbin/munin00:30:020
3094175993727,7cyclictest3148312-21needreboot21:40:350
3094175993725,9cyclictest3156907-21aten_r2power_fr21:55:280
3094175993721,13cyclictest3245181-21telnet00:20:250
3094175993718,14cyclictest151ktimers/020:15:350
3094177993629,4cyclictest3153427-21systemd-run21:50:022
3094177993628,5cyclictest3232638-21latency_hist00:00:022
3094177993628,5cyclictest3132118-21latency_hist21:15:022
3094177993625,4cyclictest1001-21mta-sts-daemon00:18:282
3094176993630,2cyclictest0-21swapper/100:40:011
3094176993628,5cyclictest3095922-21cron19:20:011
3094175993628,5cyclictest3255709-21systemd-run00:40:020
3094177993528,4cyclictest3138316-21latency_hist21:25:022
3094177993528,4cyclictest1000-21mta-sts-daemon23:20:572
3094177993527,5cyclictest3177811-21latency_hist22:30:022
3094177993527,5cyclictest3114477-21fschecks_time20:20:312
3094177993526,6cyclictest1370086-21cups-browsed19:35:362
3094177993526,6cyclictest1370086-21cups-browsed19:35:362
3094177993525,7cyclictest3205140-21cron23:15:002
3094176993529,3cyclictest0-21swapper/123:10:521
3094176993528,4cyclictest3250827-21cron00:30:011
3094176993526,6cyclictest1003-21mta-sts-daemon22:45:571
3094175993529,4cyclictest3139614-21timerandwakeup21:25:460
3094175993528,4cyclictest3211261-21idleruntime-cro23:25:010
3094175993528,4cyclictest3156557-21latency_hist21:55:020
3094175993527,5cyclictest3127372-21head21:00:520
3094175993525,6cyclictest420-21avahi-daemon22:01:140
3094175993523,8cyclictest3191369-21switchtime22:50:470
3094177993428,3cyclictest0-21swapper/200:40:012
3094177993427,5cyclictest421-21dbus-daemon20:55:012
3094177993427,3cyclictest0-21swapper/222:35:412
3094177993424,7cyclictest3167157-21grep22:10:462
3094176993428,3cyclictest0-21swapper/122:20:411
3094176993426,3cyclictest0-21swapper/122:35:271
3094175993429,3cyclictest0-21swapper/023:40:010
3094175993428,4cyclictest3223421-21latency_hist23:45:010
3094175993424,7cyclictest420-21avahi-daemon20:25:530
3094175993423,8cyclictest3224233-21kernelversion23:45:310
3094177993325,5cyclictest3215735-21threads23:30:482
3094177993325,5cyclictest3172356-21fschecks_count22:20:292
3094177993324,6cyclictest420-21avahi-daemon23:28:242
3094176993328,2cyclictest0-21swapper/123:20:011
3094176993326,4cyclictest3232543-21munin-run00:00:001
3094176993326,4cyclictest1001-21mta-sts-daemon21:51:251
3094176993324,6cyclictest1370086-21cups-browsed19:20:351
3094176993323,7cyclictest3218647-21mailstats23:35:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional