You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-07 - 02:07
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 50 highest latencies:
System rackbslot1.osadl.org (updated Sat Dec 06, 2025 12:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3471952213189,14sleep20-21swapper/207:08:212
3472922208179,19sleep30-21swapper/307:09:383
3471042201167,24sleep00-21swapper/007:07:100
3465922188166,13sleep10-21swapper/107:05:351
347501991060,105cyclictest509989-21sed09:45:021
347506997971,5cyclictest654020-21/usr/share/muni12:05:102
347506997670,4cyclictest509915-21chrome09:45:022
34750899731,71cyclictest410598-21kworker/u8:0+efi_rts_wq09:08:573
347506996963,4cyclictest545494-21kworker/u8:3+flush-179:011:05:372
347506996461,2cyclictest545494-21kworker/u8:3+flush-179:010:30:302
34750699597,51cyclictest410598-21kworker/u8:0+efi_rts_wq09:08:582
347506995954,3cyclictest482938-21kworker/u8:3+flush-179:009:25:092
347506995450,3cyclictest613434-21kworker/u8:2+flush-179:011:25:312
5972592520,1chrt597253-21snmp_wanpowerct11:10:033
347508995248,3cyclictest633088-21ThreadPoolForeg11:45:133
347506995245,6cyclictest375942-21apt-get07:35:162
347501995248,3cyclictest571566-21ThreadPoolForeg10:45:161
347501995246,4cyclictest622798-21/usr/share/muni11:35:101
347508995147,3cyclictest331797-21kworker/u8:1+flush-179:007:15:083
347508995146,4cyclictest3125724-21ThreadPoolForeg11:50:103
347506995145,4cyclictest380050-21cp07:40:002
347508995045,4cyclictest247561-21ThreadPoolForeg10:10:293
347506995044,4cyclictest540609-21kworker/u8:1+flush-179:010:20:172
347506994935,10cyclictest596755-21kworker/2:2+pm11:12:082
347501994945,3cyclictest540609-21kworker/u8:1+flush-179:010:35:131
347500994945,3cyclictest612615-21/usr/share/muni11:25:240
347506994840,6cyclictest442539-21/usr/share/muni08:40:142
347506994838,6cyclictest596755-21kworker/2:2+pm12:28:452
347506994837,10cyclictest3125725-21ThreadPoolForeg11:44:252
347506994810,2cyclictest3125629-21e21169fc69a4c6709:15:322
347508994743,3cyclictest601946-21kworker/u8:4+flush-179:011:40:173
347506994735,7cyclictest550821-21kworker/2:2+pm10:45:302
347506994734,2cyclictest169934-1kworker/2:2H+kblockd09:41:502
347506994733,10cyclictest596755-21kworker/2:2+pm12:18:132
347506994730,9cyclictest3125708-13Chrome_ChildIOT11:20:072
34750099475,42cyclictest410598-21kworker/u8:0+efi_rts_wq09:08:560
347506994638,6cyclictest684777-21/usr/share/muni12:35:102
347501994642,3cyclictest514787-21kworker/u8:4+flush-179:010:00:381
347500994642,3cyclictest498805-31munin-graph09:31:580
347508994541,3cyclictest385343-21ThreadPoolForeg07:45:133
347508994541,3cyclictest310505-21kworker/u8:3+flush-179:007:35:373
347506994542,2cyclictest596755-21kworker/2:2+pm12:00:022
347506994536,8cyclictest247562-13Chrome_ChildIOT09:10:112
347501994537,7cyclictest3125727-21ThreadPoolForeg11:13:241
347500994541,3cyclictest341873-21kworker/u8:6+flush-179:007:45:120
34750099450,44cyclictest4105317-21apache209:45:190
347508994441,2cyclictest637821-21kworker/u8:0+flush-179:012:15:263
347506994440,3cyclictest514787-21kworker/u8:4+flush-179:010:00:052
347506994436,7cyclictest478034-21kworker/2:1+pm10:15:592
347506994432,11cyclictest3125725-21ThreadPoolForeg08:51:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional