You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-23 - 22:43
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 rack0slot2.osadl.org (updated Tue Jun 23, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269947725631,7sleep50-21swapper/507:08:295
269947725631,7sleep50-21swapper/507:08:295
269931025520,30sleep70-21swapper/707:06:077
269931025520,30sleep70-21swapper/707:06:077
269945625342,7sleep40-21swapper/407:08:124
269945625342,7sleep40-21swapper/407:08:124
2699860994240,2cyclictest2936180-21kworker/u16:0+flush-8:009:09:355
2699860994240,2cyclictest2830178-21kworker/u16:0+flush-8:008:39:365
2699867993833,4cyclictest2917739-21latency_hist08:59:357
269935623826,8sleep60-21swapper/607:06:466
269935623826,8sleep60-21swapper/607:06:466
2699857993532,2cyclictest2949596-21kworker/u16:1+events_unbound09:29:504
2699860993331,2cyclictest3309271-21kworker/u16:0+flush-8:012:04:535
2699860993028,2cyclictest3369153-21kworker/u16:4+flush-8:012:19:305
2699860992927,2cyclictest3233423-21kworker/u16:1+flush-8:011:34:545
30218772280,1chrt3021875-21ssh09:41:197
2699860992823,2cyclictest2962301-21kworker/u16:5+flush-8:009:24:315
33310782270,1chrt3331076-21ssh11:47:417
2699867992722,4cyclictest3282897-21latency_hist11:29:357
2699857992725,2cyclictest3086024-21kworker/u16:1+flush-8:010:39:464
2699867992520,4cyclictest650-21systemd-journal11:05:297
2699857992322,1cyclictest3086024-21kworker/u16:1+events_unbound10:12:204
2699857992220,2cyclictest3233423-21kworker/u16:1+events_unbound11:09:514
269986799210,19cyclictest3430663-21latency_hist12:29:357
2699860992119,2cyclictest3395321-21kworker/u16:1+events_unbound12:24:585
2699860992119,2cyclictest3233423-21kworker/u16:1+events_unbound11:24:585
2699860992118,2cyclictest3071168-21kworker/u16:2+flush-8:010:29:525
2699867992014,5cyclictest650-21systemd-journal07:14:367
2699865992017,2cyclictest3395322-21kworker/u16:2+flush-8:012:25:326
2699865991916,3cyclictest2840302-21kworker/u16:2+flush-8:009:10:026
2699860991917,2cyclictest2679895-21kworker/u16:1+flush-8:008:25:065
269986799180,17cyclictest0-21swapper/711:39:587
2699865991816,2cyclictest3218951-21kworker/u16:0+flush-8:011:05:376
2699865991813,1cyclictest0-21swapper/610:47:516
2699860991816,2cyclictest3071168-21kworker/u16:2+events_unbound10:39:595
2699857991816,2cyclictest3159735-21kworker/u16:4+flush-8:011:04:354
2699867991715,1cyclictest0-21swapper/710:04:577
2699867991713,3cyclictest1278-21snmpd08:01:317
269986799170,1cyclictest0-21swapper/712:29:597
269986799170,1cyclictest0-21swapper/712:29:597
269986799170,16cyclictest0-21swapper/709:29:597
269986599170,16cyclictest3260806-21kthreadcore11:19:516
269986599170,14cyclictest0-21swapper/609:49:506
2699860991715,2cyclictest2998914-21kworker/u16:4+flush-8:009:35:095
2699867991613,2cyclictest1278-21snmpd11:11:057
2699867991611,4cyclictest3393631-21latency_hist12:14:357
269986799160,14cyclictest1278-21snmpd11:30:037
269986799160,14cyclictest0-21swapper/710:15:047
2699865991613,1cyclictest0-21swapper/611:39:436
2699865991612,3cyclictest3369087-21kworker/u16:3+flush-8:012:05:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional