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2026-08-10 - 15:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Mon Aug 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501930,0irq/46-4a1000001266-21date07:04:550
29129911179,0cyclictest0-21swapper08:15:070
29129910772,0cyclictest0-21swapper07:50:330
29129910673,0cyclictest0-21swapper11:25:480
29129910471,0cyclictest0-21swapper11:10:400
29129910268,0cyclictest0-21swapper08:35:490
2912999880,0cyclictest27643-21users08:21:080
2912999879,0cyclictest32193-21/usr/sbin/munin10:10:310
2912999655,0cyclictest0-21swapper08:48:450
2912999578,0cyclictest30593-21/usr/sbin/munin11:40:480
2912999577,0cyclictest3548-21/usr/sbin/munin10:21:020
2912999575,0cyclictest1544-21memory08:40:480
2912999574,0cyclictest28468-21sed08:25:100
2912999476,0cyclictest30461-21irqstats10:05:280
2912999473,0cyclictest0-21swapper12:15:240
2912999375,0cyclictest2023-21sshd11:51:250
2912999371,0cyclictest4380-21tr08:50:050
2912999277,0cyclictest17195-21/usr/sbin/munin11:01:010
2912999276,0cyclictest6046-21hostname12:05:030
2912999275,0cyclictest18399-21perl09:30:200
2912999275,0cyclictest18310-21diskstats07:55:150
2912999274,0cyclictest29326-21users10:01:060
2912999273,0cyclictest9259-21runrttasks12:14:490
2912999272,0cyclictest8175-21sshd09:00:270
2912999272,0cyclictest4721-21tune2fs10:25:210
2912999268,0cyclictest6900-21cut08:55:510
2912999177,0cyclictest14612-21cut07:45:000
2912999174,0cyclictest15246-21ntp_states12:30:420
2912999174,0cyclictest10125-21ntpdc07:30:380
2912999172,0cyclictest491-21runrttasks12:20:430
2912999172,0cyclictest454-21snmpd09:20:210
2912999171,0cyclictest23625-21/usr/sbin/munin11:20:350
2912999170,0cyclictest0-21swapper10:15:380
2912999166,0cyclictest4193-21sendmail-msp12:01:040
2912999074,0cyclictest27381-21sshd09:55:490
2912999072,0cyclictest6048-21/usr/sbin/munin07:20:540
2912999058,0cyclictest0-21swapper09:10:410
2912999057,0cyclictest0-21swapper07:35:510
2912999056,0cyclictest0-21swapper08:10:390
2912998973,0cyclictest16730-21fw_conntrack09:25:210
2912998972,0cyclictest6224-21df10:30:100
2912998968,0cyclictest0-21swapper10:55:060
2912998967,0cyclictest14470-21sendmail-msp09:19:560
2912998958,0cyclictest0-21swapper08:30:210
2912998872,0cyclictest8845-21chrt07:25:550
2912998871,0cyclictest24058-21awk09:45:500
2912998869,0cyclictest5951-21sendmail-msp07:19:590
2912998869,0cyclictest28426-21df11:35:120
2912998770,0cyclictest17835-21munin-run12:39:560
2912998769,0cyclictest22932-21runrttasks08:09:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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