You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-10 - 02:47

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 Tue Mar 10, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22209602227194,21sleep70-21swapper/719:05:357
22209852219180,26sleep50-21swapper/519:05:585
22209892216183,21sleep00-21swapper/019:06:010
22210542214180,22sleep60-21swapper/619:06:556
22211082211174,24sleep40-21swapper/419:07:424
22212272207173,22sleep10-21swapper/119:09:231
22210002207171,22sleep20-21swapper/219:06:112
22209562203169,21sleep30-21swapper/319:05:323
222150799350,18cyclictest0-21swapper/721:46:547
2221500992726,1cyclictest2322621-21perf22:05:004
222150799250,2cyclictest2365453-21munin-run23:19:597
222150299250,24cyclictest2342589-21apt22:40:015
222149199240,23cyclictest0-21swapper/200:05:122
222148699240,23cyclictest2302341-21sh21:30:011
2221482992423,1cyclictest0-21swapper/020:00:110
222150799231,4cyclictest0-21swapper/723:36:437
222150799230,23cyclictest2322621-21perf22:05:017
222150799230,1cyclictest2391877-21apt-get00:05:117
222150599230,22cyclictest2290929-21munin-run21:10:016
222150599230,22cyclictest0-21swapper/622:40:116
222150599230,22cyclictest0-21swapper/621:40:006
222150299230,22cyclictest2354029-21cut22:59:595
222150299230,22cyclictest0-21swapper/519:30:125
222150299230,22cyclictest0-21swapper/519:30:015
222150299230,21cyclictest2394727-21apt-get00:10:125
2221500992321,1cyclictest0-21swapper/420:40:014
222150099230,22cyclictest0-21swapper/423:35:104
222150099230,22cyclictest0-21swapper/423:10:134
222150099230,22cyclictest0-21swapper/419:10:164
222149599230,23cyclictest2305214-21perf21:35:003
222149599230,23cyclictest0-21swapper/319:55:003
222149599230,1cyclictest2365453-21munin-run23:20:003
222149599230,0cyclictest0-21swapper/300:35:123
2221491992321,1cyclictest2227819-21perf19:20:002
2221491992320,2cyclictest1-21systemd23:00:002
222149199230,22cyclictest0-21swapper/223:55:112
222149199230,1cyclictest2271346-21apt-get20:35:142
2221486992323,0cyclictest0-21swapper/121:20:161
2221486992322,1cyclictest72350irq/124-eno123:25:121
2221486992322,1cyclictest0-21swapper/120:25:121
222148699230,22cyclictest2411451-21systemctl00:40:001
222148699230,22cyclictest2408596-21awk00:34:591
222148699230,22cyclictest2337312-21apt-get22:30:121
222148699230,22cyclictest2334461-21apt-get22:25:121
222148699230,22cyclictest2262790-21apt-get20:20:111
222148699230,22cyclictest2242373-21munin-run19:45:001
222148699230,22cyclictest0-21swapper/119:25:121
222148299230,22cyclictest2331611-21apt-get22:20:120
222148299230,22cyclictest2331174-21munin-run22:20:000
222148299230,22cyclictest2294197-21apt-get21:15:130
222148299230,22cyclictest0-21swapper/019:10:150
2221507992220,2cyclictest2248493-21apt-get19:55:127
222150799220,21cyclictest0-21swapper/723:30:117
222150799220,21cyclictest0-21swapper/723:20:137
222150799220,21cyclictest0-21swapper/720:15:167
222150799220,21cyclictest0-21swapper/719:50:147
222150799220,1cyclictest2354464-21apt-get23:00:137
222150799220,0cyclictest0-21swapper/722:10:137
222150799220,0cyclictest0-21swapper/720:25:137
2221505992222,0cyclictest0-21swapper/620:00:126
2221505992220,1cyclictest2339747-21munin-run22:35:016
2221505992219,2cyclictest2354033-21perf23:00:006
222150599220,21cyclictest0-21swapper/621:55:116
222150599220,21cyclictest0-21swapper/621:15:136
222150599220,1cyclictest0-21swapper/623:10:126
222150599220,0cyclictest0-21swapper/621:40:116
2221502992220,1cyclictest0-21swapper/523:25:125
2221502992218,3cyclictest2368571-21apt23:24:595
222150299220,21cyclictest2225375-21apt-get19:15:115
222150299220,21cyclictest0-21swapper/521:15:015
222150299220,21cyclictest0-21swapper/519:35:115
222150299220,0cyclictest0-21swapper/522:05:115
2221500992221,1cyclictest2400453-21apt-get00:20:104
222150099220,22cyclictest0-21swapper/423:45:114
222150099220,21cyclictest0-21swapper/423:55:124
222150099220,21cyclictest0-21swapper/400:05:124
2221495992221,1cyclictest501ktimers/321:10:143
2221495992221,1cyclictest2233954-21apt-get19:30:113
2221495992221,1cyclictest0-21swapper/323:20:003
2221495992221,1cyclictest0-21swapper/322:30:113
2221495992221,1cyclictest0-21swapper/321:05:133
222149599220,22cyclictest0-21swapper/320:50:003
222149599220,22cyclictest0-21swapper/320:50:003
222149599220,21cyclictest0-21swapper/320:40:113
222149599220,1cyclictest2308284-21gpgv21:40:013
222149599220,0cyclictest2351167-21turbostat22:55:003
2221491992221,1cyclictest0-21swapper/219:35:102
222149199220,21cyclictest0-21swapper/222:30:122
222149199220,21cyclictest0-21swapper/219:45:132
222149199220,21cyclictest0-21swapper/200:30:122
222149199220,1cyclictest0-21swapper/222:25:012
2221486992221,1cyclictest2224412-21cat19:15:001
2221486992221,1cyclictest0-21swapper/120:40:121
2221486992221,1cyclictest0-21swapper/119:20:111
222148699220,21cyclictest0-21swapper/123:30:111
222148699220,21cyclictest0-21swapper/122:15:111
222148699220,21cyclictest0-21swapper/121:50:011
222148699220,21cyclictest0-21swapper/121:05:121
222148699220,1cyclictest2302774-21apt-get21:30:101
222148699220,1cyclictest2259496-21munin-run20:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional