You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-09 - 03:23
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 rackbslot7.osadl.org (updated Thu Apr 09, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23263211312,73sleep223292-21/usr/sbin/munin18:59:022
24463991123,92cyclictest3532-21apt-get22:03:551
23523210612,65sleep123536-21/usr/sbin/munin18:59:131
1765821040,7sleep131572-21diskmemload23:19:091
2998621030,8sleep20-21swapper/222:46:322
24463991033,31cyclictest14803-21sh22:21:421
24471991029,80cyclictest19858-21apt-get23:23:522
244639910249,35cyclictest24450-21cyclictest21:44:111
24471991014,85cyclictest12884-21taskset22:18:582
2446399993,81cyclictest12216-21apt-get20:03:491
2446399993,81cyclictest12216-21apt-get20:03:491
24463999811,78cyclictest28038-21apt-get22:43:491
2446399972,27cyclictest352-21runrttasks23:55:271
2446399972,27cyclictest352-21runrttasks23:55:271
24459999754,28cyclictest31572-21diskmemload22:03:520
2446399962,33cyclictest29201-21latency_hist00:33:361
24471999564,22cyclictest3327-21latency_hist22:03:372
24471999564,22cyclictest3327-21latency_hist22:03:372
24463999554,34cyclictest352-21runrttasks23:59:331
2446399952,30cyclictest16624-21sh00:12:001
2447899948,52cyclictest0-21swapper/323:23:523
24463999436,51cyclictest0-21swapper/119:59:091
2446399942,31cyclictest21396-21sh23:25:241
2445999949,49cyclictest15-21ksoftirqd/020:38:370
2446399933,28cyclictest31954-21sh21:57:141
24463999315,50cyclictest15904-21seq21:30:111
24459999371,16cyclictest27811-21apt-key22:43:380
24463999245,40cyclictest25865-21unixbench_multi22:39:151
2446399923,29cyclictest1673-21sh21:59:561
2446399923,29cyclictest1673-21sh21:59:561
2445999924,55cyclictest170-21jbd2/mmcblk2p2-819:03:370
2380529116,46sleep30-21swapper/318:59:193
24471999062,8cyclictest181rcu_preempt20:18:462
2446399904,74cyclictest4048-21apt-get19:38:461
2446399904,74cyclictest4048-21apt-get19:38:461
24471998948,10cyclictest181rcu_preempt20:43:472
24471998948,10cyclictest181rcu_preempt20:43:472
2446399894,73cyclictest0-21swapper/121:13:471
2446399894,73cyclictest0-21swapper/121:13:471
2446399893,6cyclictest0-21swapper/120:23:481
24459998916,57cyclictest5210-21ssh23:53:340
335028814,11sleep03466-21tail21:09:120
24463998871,11cyclictest0-21swapper/122:59:011
24463998871,11cyclictest0-21swapper/122:59:011
2446399883,7cyclictest0-21swapper/123:48:471
3132128718,10sleep031251-21latency_hist19:23:370
2446399873,38cyclictest22457-21/usr/sbin/munin22:34:051
2446399872,37cyclictest25965-21/usr/sbin/munin23:33:481
24459998764,18cyclictest16623-21kworker/u19:1+events_unbound00:23:330
24459998764,18cyclictest16623-21kworker/u19:1+events_unbound00:23:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional