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2026-01-05 - 09:56
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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 Mon Jan 05, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22387228936,208sleep022198-21/usr/sbin/munin19:05:170
233869911243,48cyclictest1408-21nginx23:51:340
233869911233,25cyclictest29493-21runrttasks21:37:060
233869910645,41cyclictest0-21swapper/021:30:220
233869910136,34cyclictest1305-21snmpd20:53:290
233869910121,30cyclictest25371-21fw_conntrack19:15:460
233869910030,49cyclictest12384-21apt-get22:40:260
23386999954,34cyclictest23228-21fw_conntrack21:15:410
23386999936,48cyclictest14200-21wget22:45:140
23386999911,33cyclictest24097-21apt-get21:22:090
23386999758,29cyclictest16239-21ntp_states22:51:180
23386999657,30cyclictest1408-21nginx22:11:340
23386999629,47cyclictest23289-21wget23:20:140
23386999624,19cyclictest4200-21irqstats20:00:310
23386999569,11cyclictest101ktimersoftd/020:23:220
23386999553,27cyclictest101ktimersoftd/000:25:420
23386999552,30cyclictest621-21cron00:00:010
23386999538,43cyclictest0-21swapper/021:25:360
23386999533,22cyclictest19894-21ntp_states23:05:380
23386999522,35cyclictest10315-21sshd22:30:300
23386999436,44cyclictest28900-21seq19:30:140
23386999435,42cyclictest1408-21nginx23:27:500
23386999427,49cyclictest31651-21seq19:40:340
23386999426,18cyclictest1276-21runrttasks20:34:060
23386999423,35cyclictest1305-21snmpd20:35:150
23386999361,22cyclictest3158-21runrttasks22:00:510
23386999332,47cyclictest1305-21snmpd20:58:300
23386999322,36cyclictest28631-21ntp_states23:40:430
23386999238,42cyclictest20951-21diskstats23:10:210
23386999238,37cyclictest30079-21aten_r7power_cu19:35:120
23386999234,39cyclictest21367-21grep21:10:150
23386999219,27cyclictest1135-21latency_hist21:55:030
23386999141,16cyclictest10250irq/56-4a10000000:14:070
23386999134,44cyclictest1305-21snmpd20:28:230
23386999068,13cyclictest0-21swapper/019:10:040
23386999061,20cyclictest1351-21lldpd21:00:300
23386999048,32cyclictest801-21dbus-daemon00:20:010
23386999048,30cyclictest17206-21df_inode22:55:200
23386999043,31cyclictest10250irq/56-4a10000022:36:370
23386999035,41cyclictest2521-21latency_hist19:55:040
23386999025,46cyclictest7678-21wget20:15:130
23386998950,27cyclictest0-21swapper/020:10:220
23386998947,10cyclictest101ktimersoftd/000:36:410
23386998920,33cyclictest1305-21snmpd00:01:330
23386998847,30cyclictest16253-21latency_hist20:50:020
23386998841,37cyclictest47502chrt22:08:410
23386998839,38cyclictest1305-21snmpd23:35:190
23386998822,50cyclictest32330-21chrt21:49:570
23386998747,31cyclictest30529-21runrttasks23:49:280
23386998742,32cyclictest7398-21cron22:20:010
23386998737,33cyclictest10150irq/55-4a10000021:08:320
23386998727,26cyclictest0-21swapper/020:40:220
23386998719,33cyclictest1305-21snmpd23:01:210
23386998717,34cyclictest5346-21df_inode20:05:240
23386998641,36cyclictest25776-21seq23:30:150
23386998626,46cyclictest1305-21snmpd19:48:140
23386998554,21cyclictest30917-21sshd21:43:300
23386998527,45cyclictest1305-21snmpd19:23:090
23386998454,22cyclictest22173-21seq23:15:180
23386998454,21cyclictest6014-21runrttasks00:20:150
23386998443,31cyclictest8781-21/usr/sbin/munin22:25:490
23386998427,18cyclictest7939-21seq22:20:420
23386998421,47cyclictest28710-21runrttasks19:29:590
23386998340,32cyclictest2252-21runrttasks00:05:190
23386998333,41cyclictest3468-21sshd19:57:330
23386998251,13cyclictest10150irq/55-4a10000021:55:150
23386998152,18cyclictest8560-21runrttasks00:30:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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