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2025-12-01 - 14:27
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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 Mon Dec 01, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2699719992924,3cyclictest2886040-21basename22:00:000
2699731992724,2cyclictest491ktimers/321:14:143
269973199264,19cyclictest0-21swapper/319:50:193
2699731992623,2cyclictest0-21swapper/322:48:123
269972999260,24cyclictest2959951-21ssh22:55:232
269971999262,21cyclictest2756179-21apt-get20:05:120
269971999261,23cyclictest3018793-21tune2fs23:45:150
269971999260,24cyclictest2807327-21cron20:55:010
2699731992520,3cyclictest2982601-21cat23:15:183
2699731992519,4cyclictest3471731-21systemd-journal23:40:223
2699729992523,1cyclictest2797164-21kworker/u8:0+xprtiod22:19:232
269972499251,21cyclictest3051581-21apt-get00:15:091
269972499251,21cyclictest3005998-21apt-get23:35:141
269972499251,20cyclictest2822852-21apt-get21:10:121
269971999254,2cyclictest245621450irq/127-enp0s29f1:rx-023:55:240
269971999252,21cyclictest2822518-21diskmemload00:02:450
2699719992521,2cyclictest2822852-21apt-get21:10:120
2699719992519,5cyclictest3008634-21kthreadcore23:35:190
269971999251,4cyclictest2896582-21ntpq22:05:210
269971999251,4cyclictest2867571-21irqcore21:45:160
269971999251,22cyclictest2822518-21diskmemload00:37:110
269971999251,22cyclictest2822518-21diskmemload00:07:390
269971999251,22cyclictest2745733-21cron19:55:010
269971999251,21cyclictest2943270-21apt-get22:45:130
2699731992420,2cyclictest2710443-21apt-get19:20:163
269973199241,20cyclictest2892614-21apt-get22:05:143
269973199241,20cyclictest2886348-21apt-get22:00:133
269973199240,20cyclictest0-21swapper/320:00:133
2699729992421,2cyclictest3746317-21kworker/u8:3+xprtiod22:43:142
2699729992420,3cyclictest510-21dbus-daemon19:45:002
269972999241,2cyclictest2949551-21apt-get22:50:142
269972999241,2cyclictest2770383-21ntpq20:15:232
269972999241,21cyclictest2993166-21munin-run23:25:002
269972999241,20cyclictest2751079-21apt-get20:00:132
269972999240,4cyclictest3060695-21grep00:20:172
269972999240,4cyclictest2766128-21cron20:15:002
2699724992419,3cyclictest3045330-21apt-get00:10:081
269972499241,20cyclictest0-21swapper/120:50:141
2699719992417,5cyclictest2751571-21irqcore20:00:160
269971999241,3cyclictest2936973-21apt-get22:40:130
269971999241,3cyclictest2797406-21apt-get20:45:130
269971999241,3cyclictest2705361-21apt-get19:15:140
269971999241,3cyclictest2700262-21apt-get19:10:150
269971999241,2cyclictest2812660-21apt-get21:00:120
269971999241,2cyclictest0-21swapper/021:15:130
269971999241,22cyclictest2987147-21apt-get23:20:130
269971999241,21cyclictest2860790-21apt-get21:40:110
269971999241,21cyclictest2822518-21diskmemload23:06:060
269971999241,21cyclictest2822518-21diskmemload21:54:300
269971999241,21cyclictest2822518-21diskmemload21:34:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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