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2026-06-05 - 17:22
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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 Fri Jun 05, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26782221226,51sleep00-21swapper/019:09:340
269009911792,15cyclictest0-21swapper/019:10:040
269009911148,32cyclictest101ktimersoftd/022:25:190
269009910718,37cyclictest1305-21snmpd22:05:360
269009910439,45cyclictest0-21swapper/021:53:190
269009910350,39cyclictest101ktimersoftd/021:17:280
269009910237,52cyclictest10250irq/56-4a10000000:20:210
269009910073,12cyclictest101ktimersoftd/023:47:100
26900999936,48cyclictest0-21swapper/000:09:230
147922995,14sleep014819-21processes22:35:460
26900999836,30cyclictest13183-21runrttasks20:22:100
26900999625,22cyclictest1305-21snmpd22:49:490
26900999534,50cyclictest10250irq/56-4a10000019:55:140
26900999521,38cyclictest1119-21ntp_states21:41:200
26900999447,16cyclictest15547-21seq20:31:110
26900999419,37cyclictest28634-21sshd21:23:130
26900999323,30cyclictest1408-21nginx23:08:450
26900999267,11cyclictest101ktimersoftd/022:40:120
26900999259,23cyclictest20846-21/usr/sbin/munin23:00:280
26900999254,23cyclictest101ktimersoftd/020:50:440
26900999254,22cyclictest101ktimersoftd/000:02:160
26900999253,24cyclictest101ktimersoftd/019:15:420
26900999148,29cyclictest101ktimersoftd/020:55:350
26900999145,30cyclictest3650irq/20-4900000000:10:370
26900999045,34cyclictest23397-21runrttasks23:10:330
26900999036,39cyclictest26084-21apt-config21:15:090
26900999011,18cyclictest1305-21snmpd22:53:340
26900998949,32cyclictest4652-21runrttasks19:50:140
26900998946,32cyclictest28317-21sshd23:30:300
26900998920,52cyclictest11909-21sendmail-msp20:20:030
26900998833,36cyclictest1276-21runrttasks00:15:230
26900998751,28cyclictest14286-21latency_hist22:35:030
26900998714,53cyclictest31699-21/usr/sbin/munin23:45:030
26900998633,34cyclictest17438-21wget20:40:130
26900998619,48cyclictest22443-21wget21:00:140
26900998617,49cyclictest18706-21wget20:45:150
26900998615,33cyclictest32401-21/usr/sbin/munin19:30:430
2690099857,17cyclictest1305-21snmpd23:58:500
26900998537,15cyclictest10250irq/56-4a10000023:27:120
26900998514,33cyclictest31445-21/usr/sbin/munin21:35:120
26900998461,12cyclictest101ktimersoftd/019:45:490
26900998437,15cyclictest10250irq/56-4a10000023:52:160
26900998434,39cyclictest2297-21fw_forwarded_lo19:40:280
26900998427,20cyclictest787-21haveged19:38:060
26900998336,15cyclictest10250irq/56-4a10000023:17:090
26900998313,19cyclictest8529-21ntp_states22:10:410
26900998258,11cyclictest101ktimersoftd/021:45:340
26900998243,29cyclictest12438-21runrttasks00:30:220
26900998238,29cyclictest3650irq/20-4900000000:25:330
26900998233,39cyclictest29776-21chrt19:20:290
26900998212,34cyclictest29082-21wget21:25:130
26900998145,26cyclictest0-21swapper/023:21:040
26900998141,23cyclictest0-21swapper/022:58:360
26900998134,36cyclictest29546-21fw_conntrack23:35:250
26900998122,43cyclictest1285-21lldpd19:28:050
26900998118,19cyclictest5519-21latency_hist22:00:040
26900998110,51cyclictest23804-21runrttasks21:05:220
26900998049,21cyclictest5890-21runrttasks22:00:260
26900998049,14cyclictest10150irq/55-4a10000020:25:200
26900998032,16cyclictest10250irq/56-4a10000020:06:300
26900998011,50cyclictest30236-21wget21:30:110
2690099799,52cyclictest1305-21snmpd22:15:330
2690099789,50cyclictest10728-21wget22:20:140
26900997747,13cyclictest10150irq/55-4a10000020:00:230
26900997655,13cyclictest101ktimersoftd/020:35:220
26900997640,26cyclictest0-21swapper/020:10:110
26900997611,47cyclictest1285-21lldpd00:38:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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