You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-26 - 16:52
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
Characteristics of the 20 highest latencies:
System rackbslot1.osadl.org (updated Sat May 25, 2024 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18848962217175,14sleep30-21swapper/307:06:483
18849222214163,40sleep20-21swapper/207:07:032
18852612212188,14sleep00-21swapper/007:09:580
18849442203183,11sleep10-21swapper/107:07:151
214863121090,1sleep30-21swapper/312:15:353
1885407997554,2cyclictest2085643-21chrome11:05:010
1885412997470,3cyclictest1884482-21kworker/u8:2+flush-179:007:25:022
1885412995951,6cyclictest2102885-21/usr/share/muni11:25:032
1885412995855,2cyclictest2072298-21kworker/u8:2+events_unbound10:50:312
188541399572,54cyclictest1884482-21kworker/u8:2+efi_rts_wq07:17:463
1885412995629,26cyclictest2055454-21kworker/u8:5+events_unbound11:00:012
188540799562,54cyclictest1867875-21kworker/u8:4+efi_rts_wq07:17:490
188541199555,50cyclictest1884482-21kworker/u8:2+efi_rts_wq07:17:461
1885411995550,3cyclictest2102475-21cp11:25:011
1885411995550,3cyclictest2005117-21kworker/u8:3+flush-179:009:40:051
1885413995449,3cyclictest1933108-21/usr/share/muni08:05:093
1885413995449,3cyclictest1933108-21/usr/share/muni08:05:083
1885412995342,10cyclictest1930406-21kworker/u8:2+flush-179:008:15:162
1885412995327,15cyclictest2085689-21snmp_wlanpowerc11:05:022
1885407995347,5cyclictest2803446-21ThreadPoolForeg07:10:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional