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2026-05-17 - 19:41
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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 highest latencies:
System rack7slot8.osadl.org (updated Sun May 17, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2212521115170,602sleep021895-21/usr/sbin/munin19:05:230
230829915370,38cyclictest8186-21sshd00:25:530
230829914864,31cyclictest17858-21df20:55:180
230829914762,33cyclictest32650-21wget00:00:200
230829914569,36cyclictest27756-21ntp_states19:26:160
230829914380,23cyclictest12464-21cut20:35:130
230829914364,28cyclictest32476-40gzip00:00:110
230829914069,51cyclictest5889-21latency_hist00:20:080
230829913971,31cyclictest6454-21df_inode00:20:270
230829913768,49cyclictest1452-21/usr/sbin/munin22:00:430
230829913761,56cyclictest15397-21/usr/sbin/munin20:45:200
230829913761,38cyclictest24531-21/usr/sbin/munin21:20:470
230829913743,21cyclictest19176-21apt-get23:12:100
230829913565,50cyclictest10570-21grep00:35:150
230829913467,47cyclictest18150-21wget23:05:200
230829913459,35cyclictest12202-21http20:35:040
230829913456,39cyclictest14944-21chrt22:50:540
230829913361,35cyclictest27939-21ntp_states23:40:410
230829913267,27cyclictest28774-21apt21:40:010
230829913262,37cyclictest11306-21apt-get22:40:540
230829913168,46cyclictest29835-21wget19:35:120
230829913162,52cyclictest11447-21sed22:40:090
230829913162,51cyclictest1285-21lldpd21:47:520
230829913157,57cyclictest25267-21diskstats23:30:240
230829913156,40cyclictest1305-21snmpd00:09:020
230829913066,22cyclictest23805-21munin-run21:20:030
230829913059,21cyclictest16827-21ntp_states20:50:420
230829913058,19cyclictest2553-21diskstats19:55:230
230829913057,53cyclictest1305-21snmpd22:58:460
230829912958,51cyclictest7821-21wget22:25:180
230829912956,20cyclictest17829-21chrt23:04:090
230829912867,41cyclictest27330-21seq21:33:230
230829912860,30cyclictest1305-21snmpd22:33:400
230829912857,33cyclictest25228-21wget21:25:130
230829912776,39cyclictest9665-21ps00:30:440
230829912759,33cyclictest20772-21/usr/sbin/munin21:05:460
230829912672,42cyclictest26942-21runrttasks23:36:040
230829912658,50cyclictest22840-21if_eth023:20:300
230829912655,35cyclictest1305-21snmpd22:13:350
230829912579,34cyclictest1326-21munin-run22:00:030
230829912566,40cyclictest6326-21latency_hist22:20:040
230829912560,32cyclictest1305-21snmpd22:08:330
230829912554,18cyclictest31388-21/usr/sbin/munin21:50:420
230829912474,38cyclictest10072-21fw_forwarded_lo20:25:290
230829912466,40cyclictest21578-21chrt23:15:510
230829912466,39cyclictest4159-21sh00:15:010
230829912463,21cyclictest3841-21seq20:00:260
230829912458,49cyclictest10250irq/56-4a10000021:12:410
230829912457,32cyclictest1305-21snmpd20:18:070
230829912370,37cyclictest6476-21cut22:20:120
230829912361,47cyclictest28939-21wget21:40:120
230829912277,35cyclictest1305-21snmpd19:30:260
230829912271,39cyclictest6473-21ntp_states20:10:400
230829912261,22cyclictest31224-21df19:40:170
230829912257,46cyclictest32537-21if_eth019:45:280
230829912159,33cyclictest25543-21munin-run19:20:020
230829912158,23cyclictest30651-21users23:50:570
230829912155,46cyclictest19322-21ntpq21:00:390
230829912069,39cyclictest1976-21runrttasks19:53:010
230829912053,32cyclictest24939-21/usr/sbin/munin23:30:020
230829912047,20cyclictest8827-21fw_forwarded_lo20:20:260
230829911972,34cyclictest4839-21/usr/sbin/munin20:05:210
230829911871,35cyclictest1608-21ntpd22:45:370
230829911870,38cyclictest28908-21runrttasks23:45:150
230829911868,40cyclictest23534-21ntpq19:10:350
230829911766,39cyclictest14139-21df20:40:170
230829911756,45cyclictest25793-21seq19:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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