You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-28 - 08:10
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 27, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23398612209186,13sleep00-21swapper/007:06:100
23399582205182,13sleep20-21swapper/207:07:242
23398842202178,14sleep30-21swapper/307:06:293
23400642192168,14sleep10-21swapper/107:08:441
258581521520,1sleep30-21swapper/311:05:103
234033999890,4cyclictest2502128-21snmp_wanpowerct09:45:021
2340339998377,3cyclictest3125709-13VizCompositorTh11:45:021
2340344998161,18cyclictest247545-13VizCompositorTh11:45:022
2340339997673,2cyclictest2433713-21kworker/u8:0+flush-179:008:55:351
2340339996763,3cyclictest2569125-21kworker/u8:2+flush-179:011:25:321
25644982640,1chrt2564473-21snmp_wanswitch.10:45:030
2340348996457,5cyclictest3125725-21ThreadPoolForeg10:00:003
2340344996157,3cyclictest2641883-21/usr/share/muni12:00:092
2340339996158,2cyclictest2517262-21kworker/u8:2+events_unbound10:20:311
2340339996156,2cyclictest2621461-21kworker/u8:3+flush-179:011:40:291
2340339995956,2cyclictest2569125-21kworker/u8:2+flush-179:011:20:111
2340339995956,2cyclictest2569125-21kworker/u8:2+events_unbound11:08:111
2340339995949,9cyclictest2555307-21kworker/u8:3+events_unbound10:40:191
2340334995957,2cyclictest2454736-21kworker/u8:2+events_unbound09:20:300
2340348995855,2cyclictest2439627-21snmp_wlanpowerc08:45:023
2340348995852,4cyclictest2344638-21munin-limits07:10:353
2340344995855,2cyclictest2564064-21kworker/u8:0+flush-179:010:45:092
2340344995853,4cyclictest2363175-21apt-get07:30:132
2340344995840,11cyclictest2418450-21kworker/u8:3+flush-179:008:40:142
2340339995855,2cyclictest2569125-21kworker/u8:2+flush-179:011:10:101
2340339995754,2cyclictest2454736-21kworker/u8:2+events_unbound09:02:551
2340334995753,3cyclictest2547624-21kworker/u8:0+flush-179:010:35:150
2340348995548,6cyclictest247573-21ThreadPoolForeg10:40:093
2340344995553,1cyclictest2564064-21kworker/u8:0+flush-179:010:50:152
2340344995551,3cyclictest2308988-21kworker/u8:5+flush-179:007:15:162
2340344995551,3cyclictest2308988-21kworker/u8:5+flush-179:007:15:162
2340344995550,4cyclictest2517262-21kworker/u8:2+flush-179:010:05:102
2340339995551,3cyclictest2574599-21kworker/u8:1+flush-179:011:00:141
2340339995551,3cyclictest2574599-21kworker/u8:1+flush-179:011:00:141
2340334995552,2cyclictest2480526-21kworker/u8:3+events_unbound09:40:010
2340348995447,5cyclictest2549503-21apt-get10:30:143
2340344995450,3cyclictest2362173-21kworker/u8:3+flush-179:008:05:352
2340339995451,2cyclictest2459764-21kworker/u8:4+events_unbound09:05:151
2340334995450,3cyclictest2651586-21kworker/u8:4+flush-179:012:25:280
2340334995450,3cyclictest2308988-21kworker/u8:5+flush-179:007:20:310
2340334995450,3cyclictest2308988-21kworker/u8:5+flush-179:007:20:310
2340344995351,2cyclictest2480526-21kworker/u8:3+flush-179:009:30:092
2340339995347,3cyclictest2480526-21kworker/u8:3+events_unbound09:40:151
2340344995248,3cyclictest2537339-21kworker/u8:1+flush-179:010:30:102
2340344995247,4cyclictest247560-21ThreadPoolForeg12:25:052
234034499521,50cyclictest2418450-21kworker/u8:3+efi_rts_wq08:51:482
2340339995249,2cyclictest2636122-21kworker/u8:0+flush-179:012:00:051
2340339995249,2cyclictest2433713-21kworker/u8:0+flush-179:009:17:311
2340334995236,3cyclictest2361603-21kworker/u8:2+flush-179:008:45:230
2340348995145,5cyclictest3125724-21ThreadPoolForeg10:30:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional