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2026-05-15 - 21:57
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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 100 highest latencies:
System rackeslot4.osadl.org (updated Fri May 15, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2265299993529,4cyclictest2428801-21cron09:50:001
2265299992922,1cyclictest191rcu_preempt08:10:111
226530199272,21cyclictest2489888-21apt-get10:50:102
2265299992725,1cyclictest0-21swapper/109:40:101
226530199262,21cyclictest2444291-21apt-get10:05:112
2265301992619,3cyclictest2464566-21apt-get10:25:112
226530199261,23cyclictest2266014-21grep07:10:152
226530199261,21cyclictest2583172-21apt-get12:20:132
226529999264,2cyclictest0-21swapper/110:45:121
226530499251,20cyclictest2342326-21apt-get08:25:113
226530499251,20cyclictest0-21swapper/311:00:113
226530499250,5cyclictest2474433-21idleruntime-cro10:35:003
226530199251,21cyclictest0-21swapper/210:35:172
226529999252,3cyclictest2362972-21apt-get08:45:131
226529499254,20cyclictest0-21swapper/011:55:000
2265304992420,2cyclictest2439236-21apt-get10:00:123
226530499241,20cyclictest2572561-21apt-get12:10:123
226530499241,20cyclictest2510558-21apt-get11:10:113
226530499241,20cyclictest0-21swapper/310:50:103
226530499241,20cyclictest0-21swapper/307:25:113
226530499240,22cyclictest2593012-21sh12:30:013
226530499240,20cyclictest2291698-21apt-get07:35:123
226530499240,20cyclictest0-21swapper/311:25:133
2265301992419,3cyclictest2515619-21apt-get11:15:122
2265301992419,2cyclictest2378563-21apt-get09:00:132
226530199241,4cyclictest2557300-21/usr/sbin/munin11:55:192
226530199241,20cyclictest2311992-21apt-get07:55:112
226530199240,20cyclictest2546815-21apt-get11:45:122
226529999242,2cyclictest2535809-21apt-get11:35:111
226529999242,21cyclictest2373504-21apt-get08:55:111
2265299992420,2cyclictest2408902-21apt-get09:30:111
2265299992419,3cyclictest2547305-21sed11:45:161
2265299992419,3cyclictest2286001-21munin-run07:29:591
2265299992419,3cyclictest2275700-21runrttasks07:20:121
2265299992419,1cyclictest191rcu_preempt11:15:241
226529999241,21cyclictest2526201-21grep11:25:171
226529999241,21cyclictest2434156-21apt-get09:55:111
226529999240,22cyclictest2357224-21basename08:40:001
226529499242,2cyclictest2474702-21apt-get10:35:130
226529499242,21cyclictest2520653-21apt-get11:20:110
226529499242,21cyclictest2520653-21apt-get11:20:110
2265294992420,2cyclictest2562403-21apt-get12:00:110
226529499241,22cyclictest2489614-21cron10:50:000
226529499241,21cyclictest2588224-21apt-get12:25:100
226529499241,21cyclictest2469644-21apt-get10:30:120
226529499241,21cyclictest2286680-21apt-get07:30:140
226529499240,21cyclictest2557288-21apt-get11:55:030
2265304992321,1cyclictest2265290-21cyclictest11:55:163
2265304992318,3cyclictest2469372-21idleruntime-cro10:30:003
2265304992317,4cyclictest2271121-21cut07:15:183
226530499231,2cyclictest0-21swapper/309:30:113
226530499231,20cyclictest0-21swapper/309:25:113
226530499230,3cyclictest2394246-21sed09:15:173
226530499230,22cyclictest2367799-21/usr/sbin/munin08:50:003
226530499230,20cyclictest0-21swapper/310:40:143
226530499230,20cyclictest0-21swapper/308:00:113
226530199231,2cyclictest2483714-21ntpq10:40:222
226530199231,2cyclictest2327107-21apt-get08:10:092
226530199231,19cyclictest2419012-21apt-get09:40:112
226530199230,20cyclictest2525710-21apt-get11:25:132
226530199230,20cyclictest2500379-21apt-get11:00:112
226530199230,20cyclictest0-21swapper/211:10:112
226530199230,20cyclictest0-21swapper/210:45:122
226529999233,1cyclictest301rcuc/109:10:011
2265299992318,2cyclictest2393757-21apt-get09:15:121
2265299992317,1cyclictest191rcu_preempt09:50:211
2265299992316,5cyclictest2578126-21irqcore12:15:161
226529999231,20cyclictest2505457-21apt-get11:05:111
226529999231,1cyclictest2368451-21apt-get08:50:121
2265294992319,2cyclictest2529668-21ntpq11:25:230
2265294992318,3cyclictest2332167-21apt-get08:15:110
226529499231,20cyclictest2429077-21apt-get09:50:110
226529499231,20cyclictest2424045-21apt-get09:45:110
226529499231,20cyclictest2347381-21apt-get08:30:100
226529499230,20cyclictest2582838-21apt-config12:20:010
2265304992218,2cyclictest2520653-21apt-get11:20:113
2265304992218,2cyclictest2520653-21apt-get11:20:113
2265304992216,4cyclictest2531243-21grep11:30:163
226530499220,2cyclictest261-21systemd-journal11:55:003
226530499220,20cyclictest0-21swapper/308:15:123
226530499220,19cyclictest64-21kcompactd012:00:093
226530499220,19cyclictest0-21swapper/311:35:113
226530499220,19cyclictest0-21swapper/309:45:123
226530499220,19cyclictest0-21swapper/309:40:113
2265301992219,2cyclictest2357412-21apt-config08:40:012
2265301992219,2cyclictest2319255-21kthreadcore08:00:172
2265301992219,2cyclictest0-21swapper/208:25:112
2265301992219,1cyclictest0-21swapper/208:50:112
2265301992218,2cyclictest2403845-21apt-get09:25:112
226530199221,2cyclictest0-21swapper/208:55:112
226530199220,2cyclictest0-21swapper/208:40:122
226530199220,2cyclictest0-21swapper/208:40:112
226530199220,20cyclictest0-21swapper/211:50:112
226530199220,19cyclictest0-21swapper/207:15:142
2265299992219,2cyclictest2265513-21apt-get07:10:111
2265299992219,2cyclictest0-21swapper/112:35:101
2265299992219,2cyclictest0-21swapper/112:20:131
2265299992218,3cyclictest2342052-21ls08:25:001
226529999221,2cyclictest0-21swapper/107:50:121
226529999221,20cyclictest301rcuc/112:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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