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2026-08-12 - 18:34
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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 all highest latencies:
System rack7slot8.osadl.org (updated Wed Aug 12, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3086212440,10sleep03084-21users19:05:370
36849916534,18cyclictest8402-21runrttasks23:40:520
3684991647,17cyclictest20175-21memory22:20:340
36849916429,29cyclictest10250irq/56-4a10000000:06:440
3684991607,35cyclictest1305-21snmpd22:49:270
3684991606,16cyclictest1504-21apt-get21:12:110
36849916029,24cyclictest0-21swapper/022:54:290
36849915933,31cyclictest19635-21runrttasks00:24:330
36849915837,26cyclictest0-21swapper/020:25:090
36849915743,14cyclictest10150irq/55-4a10000021:27:330
36849915737,12cyclictest0-21swapper/022:14:200
36849915720,16cyclictest14739-21latency_hist22:00:050
36849915543,19cyclictest30528-21runrttasks23:00:330
36849915437,18cyclictest22345-21chrt22:30:120
36849915436,21cyclictest12510-21mailstats23:56:130
36849915424,23cyclictest1305-21snmpd21:33:450
3684991539,36cyclictest1305-21snmpd19:13:430
3684991537,21cyclictest1608-21ntpd00:20:020
36849915347,13cyclictest10150irq/55-4a10000022:00:320
3684991527,14cyclictest10138-21apt-get23:52:090
36849915248,16cyclictest19962-21/usr/sbin/munin20:15:130
36849915243,14cyclictest10150irq/55-4a10000019:36:100
36849915236,18cyclictest4034-21runrttasks23:25:120
36849915233,22cyclictest6955-21ntpq23:36:120
36849915150,17cyclictest24698-21cron22:40:010
36849915137,21cyclictest3774-21dpkg21:15:230
36849915137,15cyclictest16364-21runrttasks00:11:240
36849915048,88cyclictest101ktimersoftd/023:45:130
36849915039,15cyclictest12804-21awk21:50:430
36849915038,23cyclictest801-21dbus-daemon22:45:000
36849915038,20cyclictest18758-21chrt20:10:120
36849915038,14cyclictest10150irq/55-4a10000019:20:020
36849915034,17cyclictest13224-21aten_r7power_en00:00:150
36849915017,42cyclictest201050node19:55:550
36849914947,92cyclictest29724-21mailstats20:51:410
36849914938,20cyclictest801-21dbus-daemon00:31:220
36849914938,14cyclictest10150irq/55-4a10000022:05:210
36849914847,14cyclictest29495-21mailstats22:55:520
36849914839,22cyclictest23583-21runrttasks00:37:590
36849914836,19cyclictest14664-21runrttasks19:53:220
3684991477,17cyclictest17715-21fw_forwarded_lo20:05:280
36849914737,16cyclictest6396-21latency_hist23:35:030
36849914730,21cyclictest24973-21wget20:35:140
36849914641,18cyclictest1482-21runrttasks21:09:560
36849914639,13cyclictest10150irq/55-4a10000000:25:170
3684991458,18cyclictest18976-21ntp_states22:15:400
3684991458,17cyclictest1906-21ntp_states23:15:430
3684991458,14cyclictest1276-21runrttasks20:00:190
36849914544,14cyclictest8973-21seq19:30:230
36849914540,17cyclictest12265-21runrttasks21:50:020
36849914539,18cyclictest801-21dbus-daemon19:45:010
36849914538,22cyclictest9903-21cat21:40:140
36849914534,20cyclictest1408-21nginx23:11:340
36849914445,16cyclictest21436-21seq20:20:210
36849914440,18cyclictest27431-21runrttasks20:45:050
36849914438,14cyclictest10150irq/55-4a10000021:00:410
36849914436,22cyclictest7522-21cat19:25:120
36849914341,15cyclictest30381-21cut20:55:140
36849914340,17cyclictest9440-21runrttasks21:37:220
36849914240,17cyclictest324782chrt23:09:140
36849914143,14cyclictest7071-21seq19:22:170
36849914139,14cyclictest4959-21aten_r7power_en21:20:120
36849914136,14cyclictest10150irq/55-4a10000020:30:470
36849914111,41cyclictest1408-21nginx22:26:260
36849914039,14cyclictest2904-21aten_r7power_po23:20:350
36849914024,12cyclictest13409-21seq19:48:160
36849913342,14cyclictest26825-21vmstat20:40:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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