You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-29 - 07:15
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 50 highest latencies:
System rack3slot6.osadl.org (updated Wed May 29, 2024 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1061221280,4chrt10614-21needreboot21:05:360
2898421270,4sleep028987-21timerandwakeup21:55:400
3047621150,4chrt30475-21cpuspeed23:30:200
219012910,4chrt21900-21ntp_offset23:05:300
3183999848,17cyclictest5801-21apt-get20:55:110
3183999827,16cyclictest20837-21apt-get21:35:110
3183999826,18cyclictest18023-21apt-get20:00:110
3183999826,17cyclictest10781-21apt-get00:05:150
3183999807,17cyclictest8278-21apt-get22:30:130
3183999796,15cyclictest28446-21apt-get23:25:120
77772780,5chrt7778-21timerwakeupswit23:55:370
3183999787,18cyclictest11934-21apt-get22:40:140
244662780,4chrt24467-21ntp_kernel_pll_20:15:320
3183999778,20cyclictest18314-21apt-get00:25:110
3183999776,16cyclictest12615-21apt-get00:10:120
3183999767,20cyclictest8993-21apt-get00:00:260
3183999767,19cyclictest26654-21apt-get23:20:110
3183999767,17cyclictest29203-21apt-get20:30:110
3183999766,19cyclictest2871-21apt-get22:15:100
3183999766,13cyclictest1461-21apt-get23:40:100
3183999758,16cyclictest19812-21apt-get20:05:120
3183999758,16cyclictest10814-21apt-get19:40:140
3183999758,15cyclictest23053-21apt-get23:10:130
3183999757,18cyclictest31918-21apt-get19:10:120
3183999757,14cyclictest21897-21apt-get00:35:130
3183999748,17cyclictest25596-21apt-get20:20:120
3183999747,16cyclictest13643-21apt-get21:15:120
3183999746,15cyclictest13720-21apt-get22:45:110
3183999746,14cyclictest15467-21apt-get21:20:170
3183999744,16cyclictest30220-21diskstats22:00:240
3183999738,16cyclictest19047-21apt-get21:30:150
3183999737,19cyclictest4701-21apt-get22:20:150
3183999737,17cyclictest27378-21apt-get20:25:110
3183999737,16cyclictest1756-21apt-get19:15:100
3183999737,15cyclictest14394-21apt-get19:50:150
3183999737,14cyclictest17253-21apt-get21:25:140
3183999736,15cyclictest22698-21apt-get21:40:110
31839997316,18cyclictest405-21dbus-daemon19:25:000
3183999727,17cyclictest15816-21apt-get22:50:140
3183999727,16cyclictest16212-21apt-get19:55:110
3183999727,14cyclictest4009-21apt-get20:50:120
3183999726,17cyclictest11849-21apt-get21:10:140
3183999722,33cyclictest32036-21dpkg23:35:100
3183999717,16cyclictest19413-21apt-get23:00:110
3183999717,16cyclictest17600-21apt-get22:55:110
3183999717,15cyclictest10071-21apt-get22:35:140
3183999716,14cyclictest5368-21apt-get19:25:150
3183999714,32cyclictest22369-21ntp_states20:10:360
3183999708,15cyclictest20107-21apt-get00:30:130
3183999707,20cyclictest2221-21apt-get20:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional