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2025-12-01 - 23:07
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Mon Dec 01, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2552023380,1sleep321934-21kworker/u8:407:05:533
2534623010,2sleep10-21swapper/107:05:431
2524822850,2sleep223843-1kworker/u9:307:05:392
2620598256250,4cyclictest17021-21kworker/u8:2410:42:232
2620598251244,4cyclictest15865-21kworker/u8:6111:52:012
2620498224215,5cyclictest17023-21kworker/u8:2610:42:231
2620498217209,5cyclictest10985-21kworker/u8:411:52:011
2620198153138,12cyclictest10-21ksoftirqd/010:42:240
2620198145132,10cyclictest10-21ksoftirqd/011:52:020
801221390,3sleep130860-21kworker/1:210:20:031
1950521140,2sleep30-21swapper/310:42:223
205921120,2sleep30-21swapper/311:14:463
26206989891,5cyclictest1572-21kworker/u8:211:52:023
294072800,3sleep20-21swapper/211:03:082
26205987569,4cyclictest15747-21kworker/u8:2808:11:562
26205986861,4cyclictest23443-21kworker/u8:3608:32:212
26205986154,4cyclictest2377-21kworker/u8:609:02:022
250782570,14sleep124994-21kworker/u8:2109:47:381
274262530,6sleep119-21ksoftirqd/108:40:001
250242490,2sleep30-21swapper/312:00:353
26205984842,4cyclictest22176-21kworker/u8:2110:56:512
26206984613,9cyclictest5342-21cron10:14:593
26206984513,9cyclictest31046-21irqrtprio10:00:233
2620698449,10cyclictest6966-21apt-get07:45:173
2620698449,10cyclictest6966-21apt-get07:45:163
26206984416,9cyclictest23828-21ntpq10:50:433
26206984313,11cyclictest9589-21tail11:30:193
26206984312,11cyclictest13833-21/usr/sbin/munin09:25:363
26204984318,16cyclictest19-21ksoftirqd/108:30:131
2620698428,9cyclictest3200-21ntpq11:15:343
26206984211,9cyclictest29093-21ntpq07:15:373
2620698417,10cyclictest21456-21ntpq10:45:503
26206984112,9cyclictest27458-21ntpq12:05:373
26206984112,9cyclictest10227-21switchtime09:15:583
26206984110,10cyclictest2172-21ntpq12:20:313
2620698407,11cyclictest22635-21ntpq11:55:333
26206984012,8cyclictest26385-21/usr/sbin/munin07:10:193
26206984011,9cyclictest12840-21ssh11:35:393
26206984011,10cyclictest3842-21irqrtprio07:35:243
26206984010,8cyclictest1402-21/usr/sbin/munin07:30:283
26205984013,23cyclictest121rcu_preempt08:25:142
2620698398,13cyclictest17883-21ntpq11:45:473
2620698398,11cyclictest796-21apt-config08:55:033
26206983912,10cyclictest26617-21ntpq08:35:393
26206983911,8cyclictest32213-21ntpq12:15:353
26206983911,10cyclictest3669-21ntpq09:00:313
26205983933,4cyclictest8352-21kworker/u8:1107:52:252
26204983933,4cyclictest13871-21kworker/u8:608:11:561
2620698389,8cyclictest6398-21ntpq10:15:263
2620698389,8cyclictest6398-21ntpq10:15:263
2620698387,9cyclictest13295-21diskstats10:30:243
2620698387,11cyclictest26618-21ntpq09:50:293
26206983812,8cyclictest9225-21ntpq10:20:533
26206983812,8cyclictest21841-21ntpq09:40:303
26206983811,9cyclictest30375-21ntp_states08:45:413
26206983811,9cyclictest30375-21ntp_states08:45:413
26206983811,9cyclictest29786-21ntpq12:10:333
26206983811,8cyclictest17046-21ntpq09:30:323
26206983811,7cyclictest9654-21ntpq07:50:333
26206983810,9cyclictest30853-21ntpq07:20:283
2620698379,9cyclictest12339-21ntpq09:20:363
2620698379,13cyclictest2081-21runrttasks08:25:263
2620698378,10cyclictest17376-21ntpq08:10:503
2620698377,9cyclictest28547-21ntpq11:00:363
2620698376,9cyclictest3728-21apt-get12:25:163
2620698376,11cyclictest5938-21ntpq07:40:323
2620698376,11cyclictest5938-21ntpq07:40:323
2620698376,10cyclictest27274-21ssh10:59:283
2620698376,10cyclictest15263-21ntpq08:05:403
26206983711,9cyclictest7235-21ntpq12:30:443
26206983710,8cyclictest5684-21ntpq11:20:373
2620598378,5cyclictest121rcu_preempt09:55:132
2620698369,18cyclictest6379-21diskmemload10:07:213
2620698368,10cyclictest7233-21aten2.4-expect11:25:183
2620698366,9cyclictest7450-21ntpq09:10:283
2620698366,10cyclictest32160-21ntpq08:50:573
26206983610,9cyclictest2044-21snmpd10:25:473
26206983610,9cyclictest2044-21snmpd10:25:473
26205983610,3cyclictest121rcu_preempt09:50:342
26204983622,11cyclictest31565-21kworker/u8:1511:12:061
2620698359,8cyclictest13302-21ntpq08:00:283
2620698357,10cyclictest32716-21ntpq07:25:303
2620698356,10cyclictest19137-21ntpq08:15:343
2620698355,9cyclictest15140-21ntpq11:40:343
26206983511,7cyclictest28447-21ntpq08:40:323
26206983511,4cyclictest16365-21ntpq10:35:453
2620698348,8cyclictest30307-21hddtemp_smartct11:05:233
2620698348,8cyclictest0-21swapper/312:35:123
2620698347,8cyclictest5634-21ntp_states09:05:403
2620698347,7cyclictest24682-21ntpq08:30:293
2620698346,8cyclictest20992-21ntpq08:20:323
2620698346,10cyclictest28375-21aten2.4-expect09:55:193
2620698339,8cyclictest19940-21ssh09:35:543
26206983315,14cyclictest23553-21aten2_rfpower_p09:45:213
26205983317,4cyclictest25-21ksoftirqd/209:30:392
163872320,8sleep1121rcu_preempt11:44:281
2620598318,4cyclictest121rcu_preempt10:25:002
2620598318,13cyclictest121rcu_preempt11:50:002
26205983124,4cyclictest24988-21kworker/u8:1510:01:262
2620598311,3cyclictest121rcu_preempt10:25:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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