You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-08 - 20:12
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 rackeslot6.osadl.org (updated Sat Aug 08, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224997499155144,8cyclictest2324191-21latency_hist11:00:011
224997299148135,11cyclictest1213033-21systemd-journal09:30:010
224997499146120,23cyclictest2253091-21latency_hist07:20:011
224997499142130,9cyclictest2264238-21latency_hist07:55:011
224997499140131,6cyclictest2314663-21kworker/u8:0+events_unbound10:50:021
224997299136125,8cyclictest1213033-21systemd-journal10:00:000
224997499129121,6cyclictest2274094-21kworker/u8:3+events_unbound08:35:011
224997499126119,5cyclictest2284124-21kworker/u8:1+flush-179:008:59:591
224997499126118,5cyclictest2259516-21kworker/u8:1+flush-179:007:40:241
224997499124114,6cyclictest2274094-21kworker/u8:3+flush-179:008:35:241
224997499122113,6cyclictest2254714-21kworker/u8:3+events_unbound07:35:001
224997499121105,13cyclictest1213033-21systemd-journal08:15:001
224997499120113,5cyclictest2245339-21kworker/u8:1+flush-179:007:10:241
224997499119109,7cyclictest2325773-21latency_hist11:05:011
224997499118111,4cyclictest2277225-21kworker/u8:0+events_unbound09:00:151
224997499118108,7cyclictest2290219-21latency_hist09:15:011
224997499118107,8cyclictest1213033-21systemd-journal08:20:011
224997499117106,8cyclictest2262654-21latency_hist07:50:011
224997299116106,7cyclictest2349892-21latency_hist12:20:010
224997299116106,7cyclictest2349892-21latency_hist12:20:010
224997299116104,9cyclictest2336905-21latency_hist11:40:010
224997499115107,5cyclictest2293099-21kworker/u8:1+flush-179:009:25:181
224997499115106,5cyclictest2251921-21kworker/u8:0+flush-179:007:35:211
224997499114107,5cyclictest2309880-21kworker/u8:1+events_unbound10:25:261
224997499114106,5cyclictest2274094-21kworker/u8:3+events_unbound08:40:131
224997499114106,5cyclictest2274094-21kworker/u8:3+events_unbound08:40:131
22499749911198,10cyclictest2308438-21cat10:10:011
224997499109103,4cyclictest2264228-21kworker/u8:1+flush-179:008:05:161
224997499109101,5cyclictest2317368-21kworker/u8:1+flush-179:010:40:231
22499729910997,9cyclictest2286798-21apt-get09:04:590
224997299109100,6cyclictest2322558-21kworker/u8:3+flush-179:011:10:140
224997499108102,5cyclictest2330511-21kworker/u8:1+flush-179:011:30:291
224997499108101,5cyclictest2330511-21kworker/u8:1+flush-179:011:25:161
224997499108100,6cyclictest2301404-21kworker/u8:3+flush-179:010:05:001
22499749910797,8cyclictest2330807-21apt-get11:20:141
22499749910793,10cyclictest2333757-21kworker/u8:2+flush-179:012:10:201
22499749910494,7cyclictest2300319-21kworker/u8:1+flush-179:009:45:231
22499749910394,7cyclictest2309880-21kworker/u8:1+events_unbound10:20:001
22499749910386,7cyclictest2280461-21kworker/u8:2+events_unbound08:55:001
22499749910297,3cyclictest2314663-21kworker/u8:0+flush-179:010:50:251
22499749910093,5cyclictest2290252-21kworker/u8:0+flush-179:009:20:221
22499749910090,7cyclictest2306444-21kworker/u8:2+flush-179:010:35:251
2249974999992,5cyclictest2348034-21kworker/u8:0+events_unbound12:25:001
2249972999989,7cyclictest2272462-21latency_hist08:20:010
2249972999890,6cyclictest2350165-21apt-get12:20:140
2249974999690,4cyclictest2341677-21latency_hist11:55:021
2249974999690,4cyclictest2296564-21kworker/u8:0+flush-179:009:40:231
2249972999688,6cyclictest2299784-21latency_hist09:45:010
2249972999686,7cyclictest2346458-21latency_hist12:10:010
2249974999381,9cyclictest510-21rs:main1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional