You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-06 - 03:27

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 #8, slot #4

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 rack8slot4s.osadl.org (updated Sun Jul 06, 2025 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9269372220187,21sleep30-21swapper/319:08:023
9268192219163,18sleep00-21swapper/019:06:220
9269322218185,21sleep70-21swapper/719:07:587
9269822214169,15sleep10-21swapper/119:08:401
9267962213176,24sleep40-21swapper/419:06:024
9269782211181,19sleep60-21swapper/619:08:376
9246352210182,18sleep20-21swapper/219:05:102
9269682209179,19sleep50-21swapper/519:08:285
10312672500,0sleep20-21swapper/222:05:202
927324992520,4cyclictest0-21swapper/600:15:006
927324992519,1cyclictest0-21swapper/623:55:006
92732099250,24cyclictest1113326-21apt-get00:30:135
92732099250,24cyclictest0-21swapper/520:15:135
92732099250,1cyclictest1069757-21perf23:15:015
927318992521,4cyclictest0-21swapper/400:25:124
92731599250,23cyclictest0-21swapper/322:45:153
92731399250,24cyclictest0-21swapper/220:40:152
92730699250,24cyclictest974398-21turbostat.cron20:30:000
92732699240,1cyclictest0-21swapper/723:35:137
927324992419,0cyclictest0-21swapper/619:20:136
927324992418,1cyclictest0-21swapper/620:35:016
92732499240,24cyclictest951464-21awk19:50:006
92732499240,23cyclictest0-21swapper/619:35:126
92732499240,21cyclictest1046600-21munin-run22:35:016
927320992420,3cyclictest1018049-21munin-run21:45:005
92731899240,23cyclictest0-21swapper/400:20:134
927315992422,2cyclictest951457-21apt-key19:50:003
92731599240,23cyclictest1061140-21munin-run23:00:013
92731599240,23cyclictest0-21swapper/322:25:123
92730899240,23cyclictest0-21swapper/122:20:131
927326992322,1cyclictest0-21swapper/723:55:147
927326992321,1cyclictest0-21swapper/719:14:597
92732699230,22cyclictest934320-21apt-get19:20:127
92732699230,22cyclictest0-21swapper/719:50:007
927324992320,2cyclictest0-21swapper/621:00:006
927324992320,1cyclictest0-21swapper/621:15:126
92732499230,22cyclictest0-21swapper/622:40:016
92732499230,1cyclictest951972-21apt-get19:50:136
92732099230,22cyclictest954822-21apt-get19:55:135
927318992323,0cyclictest0-21swapper/423:30:144
927318992320,3cyclictest0-21swapper/400:15:134
927318992320,2cyclictest1095737-40ogrotate00:00:004
92731899230,20cyclictest0-21swapper/422:15:144
92731899230,18cyclictest1020892-21dump-pmu-power21:50:004
92731599230,22cyclictest1040888-21latency_hist22:25:013
92731599230,22cyclictest0-21swapper/323:25:173
92731399230,23cyclictest0-21swapper/221:35:002
92731399230,23cyclictest0-21swapper/221:35:002
92731399230,22cyclictest0-21swapper/221:40:002
92731399230,22cyclictest0-21swapper/221:39:592
92731399230,1cyclictest1043754-21cut22:30:012
927308992321,1cyclictest1107625-21apt-get00:20:131
92730899230,2cyclictest1104339-21basename00:15:001
927306992322,1cyclictest0-21swapper/023:11:100
927306992322,1cyclictest0-21swapper/019:25:010
927326992221,1cyclictest0-21swapper/722:20:017
92732699220,21cyclictest0-21swapper/721:15:007
927324992221,1cyclictest0-21swapper/600:25:006
92732499220,21cyclictest0-21swapper/621:30:136
92732499220,21cyclictest0-21swapper/621:30:126
92732499220,21cyclictest0-21swapper/621:20:126
92732499220,21cyclictest0-21swapper/600:05:116
92732499220,1cyclictest1018054-21perf21:45:006
927320992221,1cyclictest0-21swapper/520:50:135
92732099220,21cyclictest1055854-21apt-get22:50:135
92732099220,21cyclictest0-21swapper/521:05:125
92732099220,21cyclictest0-21swapper/520:45:135
927318992222,0cyclictest0-21swapper/400:30:144
927318992221,1cyclictest0-21swapper/422:40:024
927318992220,1cyclictest940288-21apt-get19:30:154
92731899220,21cyclictest927610-21apt-get19:10:114
92731899220,21cyclictest0-21swapper/421:50:124
92731899220,21cyclictest0-21swapper/421:10:144
92731899220,1cyclictest989628-21apt-get20:55:144
927315992221,0cyclictest0-21swapper/319:35:133
927315992220,1cyclictest1061580-21apt-get23:00:143
92731599220,22cyclictest948441-21munin-run19:45:003
92731599220,21cyclictest0-21swapper/321:10:153
92731599220,21cyclictest0-21swapper/300:35:143
92731599220,21cyclictest0-21swapper/300:00:173
92731399220,21cyclictest0-21swapper/223:30:142
92731399220,21cyclictest0-21swapper/223:20:132
92731399220,21cyclictest0-21swapper/222:40:152
92731399220,1cyclictest933883-21munin-run19:20:002
92731399220,1cyclictest0-21swapper/220:20:002
92730899220,22cyclictest1038049-21basename22:20:011
92730899220,21cyclictest0-21swapper/122:00:151
92730899220,1cyclictest992067-21perf20:59:591
92730899220,1cyclictest0-21swapper/120:05:131
927306992221,1cyclictest0-21swapper/021:05:130
927306992221,1cyclictest0-21swapper/020:10:150
927306992219,2cyclictest1061129-21apt23:00:010
92730699220,21cyclictest0-21swapper/023:05:110
92730699220,1cyclictest1090024-21perf23:50:000
927326992121,0cyclictest0-21swapper/723:50:137
927326992121,0cyclictest0-21swapper/721:15:137
927326992121,0cyclictest0-21swapper/720:50:017
927326992120,1cyclictest0-21swapper/721:50:007
927326992120,1cyclictest0-21swapper/720:04:597
927326992120,1cyclictest0-21swapper/719:30:157
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional