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2026-08-15 - 14:52
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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 Sat Aug 15, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1502123130,7sleep015020-21interrupts19:05:230
32434211113,14sleep031116-21apt-get22:17:260
347221096,12sleep03509-21mailstats22:30:460
825321065,12sleep08282-21/usr/sbin/munin22:50:350
337321065,12sleep02575-21apt-get20:25:520
50521055,13sleep0507-21ntp_states20:15:360
2007421036,12sleep020093-21ps23:36:350
198572996,12sleep019860-21diskstats21:30:200
289952986,11sleep028996-21fw_forwarded_lo22:05:280
167142985,11sleep00-21swapper/019:11:280
15938999440,20cyclictest27972-21runrttasks19:56:510
15938999343,35cyclictest8893-21sshd20:45:410
279162925,11sleep027914-21ntp_states22:00:420
15938999251,10cyclictest101ktimersoftd/021:50:360
15938999237,16cyclictest14589-21/usr/sbin/munin23:15:440
15938999147,30cyclictest3650irq/20-4900000019:30:200
15938999036,33cyclictest9396-21runrttasks22:55:250
15938999023,30cyclictest787-21haveged00:20:050
15938998944,28cyclictest3650irq/20-4900000020:42:080
136792895,11sleep013711-21irqstats21:05:280
15938998839,36cyclictest264952chrt00:01:240
15938998643,29cyclictest3650irq/20-4900000020:02:120
15938998638,34cyclictest0-21swapper/021:26:590
15938998638,15cyclictest10250irq/56-4a10000019:37:160
15938998636,13cyclictest1276-21runrttasks19:18:230
15938998626,41cyclictest0-21swapper/023:21:340
111332865,13sleep0101ktimersoftd/020:55:220
15938998542,29cyclictest3650irq/20-4900000000:35:260
15938998540,31cyclictest10250irq/56-4a10000021:48:010
15938998539,16cyclictest10250irq/56-4a10000019:25:580
15938998453,13cyclictest10150irq/55-4a10000019:40:200
15938998451,16cyclictest30140-21aten_r7power_cu20:05:120
15938998440,30cyclictest3650irq/20-4900000023:55:230
15938998435,32cyclictest10250irq/56-4a10000021:42:410
15938998422,29cyclictest101ktimersoftd/021:20:470
15938998332,16cyclictest10250irq/56-4a10000000:24:090
256802825,7sleep00-21swapper/019:48:270
15938998236,13cyclictest21862-21seq23:44:340
1593899818,22cyclictest1276-21runrttasks20:33:170
15938998163,10cyclictest101ktimersoftd/020:10:180
15938998161,11cyclictest101ktimersoftd/021:00:250
15938998134,12cyclictest101ktimersoftd/020:55:020
15938998132,31cyclictest12045-21/usr/sbin/munin23:05:360
15938998131,17cyclictest10250irq/56-4a10000022:48:150
1593899806,17cyclictest28152-21systemd00:09:550
15938998023,39cyclictest0-21swapper/023:26:350
15938997949,13cyclictest10150irq/55-4a10000022:25:180
15938997948,14cyclictest10150irq/55-4a10000022:15:060
1593899788,17cyclictest16672-21apt-get21:17:070
15938997859,11cyclictest101ktimersoftd/019:50:190
15938997858,11cyclictest101ktimersoftd/020:35:200
15938997847,14cyclictest10150irq/55-4a10000019:20:260
15938997844,26cyclictest0-21swapper/000:33:480
1593899784,37cyclictest23509-21fw_conntrack23:50:260
15938997841,10cyclictest101ktimersoftd/023:10:260
15938997818,14cyclictest29432-21latency_hist00:15:040
15938997814,46cyclictest0-21swapper/022:36:240
15938997749,18cyclictest14750-21/usr/sbin/munin21:10:130
15938997748,13cyclictest10150irq/55-4a10000022:20:120
15938997748,13cyclictest10150irq/55-4a10000021:55:450
15938997747,14cyclictest10150irq/55-4a10000023:50:020
15938997726,33cyclictest32069-21apt00:25:130
15938997659,10cyclictest101ktimersoftd/023:30:570
15938997646,14cyclictest10150irq/55-4a10000020:20:370
15938997636,26cyclictest3650irq/20-4900000023:05:030
15938997628,32cyclictest21392-21processes21:35:450
15938997447,12cyclictest10150irq/55-4a10000022:40:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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