You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-16 - 13:13
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 rackcslot4.osadl.org (updated Thu Apr 16, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33450032292250,28sleep00-21swapper/019:09:050
33450812278244,19sleep10-21swapper/119:09:551
334522499632,39cyclictest3457679-21apt-get22:40:101
334522499594,39cyclictest3461176-21apt-get22:45:121
334522499561,37cyclictest3419142-21apt-get21:45:101
179699560,4rtkit-daemon1795-21rtkit-daemon22:29:580
33700252550,3sleep13370024-21perf20:10:001
334522499551,5cyclictest3372159-21apt-get20:15:141
179699550,4rtkit-daemon1795-21rtkit-daemon23:06:490
179699550,4rtkit-daemon1795-21rtkit-daemon21:27:270
3345224995413,29cyclictest3379965-21/usr/sbin/munin20:35:221
3345224995410,29cyclictest3367947-21seq20:03:571
179699540,4rtkit-daemon1795-21rtkit-daemon22:59:100
179699540,4rtkit-daemon1795-21rtkit-daemon21:49:230
179699540,4rtkit-daemon1795-21rtkit-daemon21:18:430
334522499531,7cyclictest3374905-21ntp_states20:20:221
334522499531,5cyclictest3393740-21apt-get21:10:111
334522499522,5cyclictest3385855-21apt-get20:50:141
334522499522,5cyclictest3362757-21ntp_states19:50:211
179699520,5rtkit-daemon1795-21rtkit-daemon21:32:141
179699520,4rtkit-daemon1795-21rtkit-daemon19:16:251
334522499516,6cyclictest3361573-21seq19:47:561
334522499515,27cyclictest3393475-21diskmemload21:27:351
334522499512,5cyclictest3471620-21apt-get23:00:151
334522499511,7cyclictest3436049-21ssh22:08:391
334522499510,9cyclictest3516208-21ssh00:02:181
334522499508,19cyclictest0-21swapper/100:19:081
334522499502,6cyclictest3426271-21apt-get21:55:121
334522499501,9cyclictest3450013-21ssh22:28:511
334522499501,7cyclictest3535043-21ssh00:30:321
334522499501,4cyclictest3358087-21apt-get19:40:121
334522499501,10cyclictest3470213-21ssh22:57:211
3345224995010,23cyclictest3393475-21diskmemload22:21:261
179699500,3rtkit-daemon1795-21rtkit-daemon23:14:270
334522499497,30cyclictest3393475-21diskmemload22:11:251
334522499491,9cyclictest3478215-21apt-get23:10:261
334522499491,9cyclictest3476881-21ssh23:06:461
334522499491,7cyclictest3393475-21diskmemload23:24:511
334522499491,7cyclictest3354166-21apt-get19:30:111
334522499491,4cyclictest3370982-21ntp_states20:10:201
334522499490,9cyclictest3425162-21ssh21:52:521
334522499490,9cyclictest3417366-21ssh21:41:181
334522499490,8cyclictest3452706-21ssh22:32:091
334522499490,7cyclictest3413903-21ssh21:36:151
334522499488,8cyclictest3509824-21ssh23:54:011
334522499482,5cyclictest0-21swapper/123:36:051
334522499481,9cyclictest3350366-21irqstats19:20:171
334522499481,8cyclictest3490024-21memory23:25:181
334522499481,7cyclictest3432480-21sh22:03:461
334522499481,6cyclictest3499869-21apt-get23:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional