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2026-04-10 - 16:19
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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 rack7slot3.osadl.org (updated Fri Apr 10, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20690233318sleep20693-21timerandwakeup07:02:290
2116899266102cyclictest10605-21munin-run10:51:580
2116899263232cyclictest3303-21ssh12:28:480
2116899262232cyclictest638-21sh12:18:580
2116899259233cyclictest7067-21munin-node0
2116899259233cyclictest22395-21latency_hist07:12:030
211689925892cyclictest27628-21unixbench_singl07:33:200
2116899258230cyclictest14070-21ssh11:04:480
2116899257228cyclictest17143-21ssh11:17:400
2116899257227cyclictest4203-21mailstats08:13:090
2116899257227cyclictest27271-21sendmail11:56:450
211689925691cyclictest9283-21grep08:37:050
2116899255230cyclictest4696-21proc_pri12:34:030
2116899255230cyclictest11347-21ssh10:54:070
2116899255226cyclictest31798-21apt-get12:14:410
2116899254229cyclictest24982-21ssh09:42:170
2116899253228cyclictest18648-21ssh09:17:350
2116899253227cyclictest29537-21wc09:59:070
2116899253223cyclictest11999-21runrttasks08:48:000
211689925284cyclictest23228-21ssh11:41:150
2116899252228cyclictest21498-21kernelversion09:28:240
2116899251226cyclictest5436-21munin-run10:32:040
2116899251225cyclictest8041-21munin-run08:31:460
2116899251225cyclictest22275-21munin-node0
2116899251222cyclictest22495-21tune2fs07:12:190
2116899251221cyclictest16184-21ssh09:07:310
2116899250224cyclictest9156-21chrt10:45:450
2116899250220cyclictest15953-21diskmemload10:33:080
211689924991cyclictest24567-21munin-node0
211689924863cyclictest1650-21ntpdc08:02:530
2116899248223cyclictest25196-21kernelversion11:48:260
2116899248218cyclictest21473-21sh11:34:060
2116899248101cyclictest1239-21wc08:01:590
211689924793cyclictest2270-21ssh12:25:160
211689924788cyclictest30085-21df_inode12:07:330
2116899247222cyclictest790-21apt-get10:13:560
2116899247221cyclictest28176-21grep07:37:220
2116899247221cyclictest27890-21munin-node0
2116899247219cyclictest15144-21ntp_offset11:09:020
2116899247218cyclictest16148-21munin-node0
2116899247218cyclictest10712-21runrttasks08:42:400
2116899247216cyclictest28378-21sh09:54:390
2116899246219cyclictest24384-21ssh11:45:170
211689924548cyclictest6186-21irqstats08:22:350
2116899245220cyclictest20687-21runrttasks11:31:440
2116899245218cyclictest4124-21/usr/sbin/munin10:27:110
2116899245218cyclictest12723-21ssh10:59:230
211689924473cyclictest26266-21df09:47:180
211689924452cyclictest31732-21perl10:08:000
2116899244216cyclictest2158-21ssh10:19:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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