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2025-12-09 - 06:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Tue Dec 09, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3296449993110,20cyclictest245621450irq/127-enp0s29f1:rx-022:45:260
3296455992825,2cyclictest3311737-21cron19:25:012
329645599261,4cyclictest3667747-21ssh00:30:132
329645599260,23cyclictest3385395-21seq20:35:132
3296451992624,1cyclictest0-21swapper/122:19:541
329646199251,22cyclictest3484095-21/usr/sbin/munin22:00:143
329646199250,3cyclictest3296446-21cyclictest22:18:163
3296455992521,3cyclictest3471746-21/usr/sbin/munin21:50:162
3296455992518,5cyclictest3312933-21sed19:25:152
329645599251,3cyclictest3509010-21apt-get22:20:122
329645599251,22cyclictest3433862-21taskset21:20:152
329645599251,22cyclictest3405399-21ls20:55:002
3296451992520,3cyclictest3456526-21ntpq21:35:231
329645199251,4cyclictest3476402-21ssh21:52:091
329645199251,3cyclictest3578561-21apt-get23:15:141
329645199251,21cyclictest3477629-21apt-get21:55:121
3296449992520,3cyclictest3496618-21df22:10:140
3296449992519,5cyclictest0-21swapper/023:31:560
329644999250,22cyclictest3420644-21diskmemload23:35:120
3296461992420,2cyclictest3673544-21apt-get00:35:123
3296461992420,2cyclictest3633076-21apt-get00:00:133
329646199241,2cyclictest3421388-21apt-get21:10:153
329646199240,4cyclictest3597908-21grep23:30:173
329645599242,2cyclictest3597399-21apt-get23:30:132
329645599242,20cyclictest0-21swapper/200:00:172
3296455992419,4cyclictest3532891-21ssh22:35:292
329645599241,3cyclictest3557448-21ntpq22:55:232
329645599241,2cyclictest3405678-21apt-get20:55:172
329645599241,21cyclictest3515757-21apt-get22:25:132
329645599241,20cyclictest3440082-21ssh21:25:132
329645599241,20cyclictest3440082-21ssh21:25:122
329645599241,20cyclictest3420644-21diskmemload22:10:092
329645599241,20cyclictest3301835-21apt-get19:15:142
329645599240,4cyclictest3420644-21diskmemload21:42:502
329645599240,23cyclictest0-21swapper/223:28:302
329645599240,22cyclictest3427190-21taskset21:14:492
329645199242,21cyclictest3489939-21pluginstate22:05:011
3296451992420,2cyclictest3306936-21apt-get19:20:121
3296451992419,3cyclictest3343410-21apt-get19:55:131
329645199241,3cyclictest3420644-21diskmemload00:17:331
329645199241,2cyclictest3427597-21ssh21:15:131
329645199241,22cyclictest3312434-21apt-get19:25:121
329645199241,21cyclictest3667741-21apt-get00:30:131
329645199241,21cyclictest3440075-21apt-get21:25:131
329645199241,21cyclictest3440075-21apt-get21:25:121
329645199241,21cyclictest3420644-21diskmemload23:34:401
329645199241,21cyclictest3420644-21diskmemload22:07:031
329645199241,21cyclictest3420644-21diskmemload21:11:241
329645199241,21cyclictest3390468-21apt-get20:40:131
329645199241,21cyclictest3375217-21apt-get20:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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