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2026-03-15 - 02:47
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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 Mar 15, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4213213940,10sleep04215-21latency_hist19:10:020
42479917138,29cyclictest31200-21runrttasks23:00:140
42479916938,14cyclictest10250irq/56-4a10000023:52:120
42479916839,40cyclictest0-21swapper/021:12:450
42479916335,32cyclictest7687-21runrttasks23:35:230
42479916023,16cyclictest12879-21runrttasks21:47:130
42479915651,20cyclictest30435-21/usr/sbin/munin20:50:190
42479915547,26cyclictest101ktimersoftd/019:40:310
42479915448,20cyclictest10150irq/55-4a10000019:17:070
42479915357,11cyclictest0-21swapper/020:27:350
4247991527,35cyclictest29235-21ps20:45:430
42479914949,16cyclictest27255-21cat20:40:110
42479914317,47cyclictest0-21swapper/022:23:010
22972211313,86sleep022989-21apt-config00:35:240
9654211013,84sleep01305-21snmpd23:43:260
16473211011,82sleep016492-21/usr/sbin/munin00:10:290
888121047,86sleep08923-21basename21:30:450
18740210310,79sleep018743-21apt00:20:110
1017021006,80sleep010173-21diskstats23:45:220
4247999944,40cyclictest0-21swapper/023:05:120
152002995,83sleep015234-21mailstats19:50:440
251212985,80sleep025124-21df_inode22:35:190
4247999545,33cyclictest27024-21systemctl20:40:010
27822935,76sleep01600-21apt-get21:06:320
189932926,74sleep018994-21sshd22:11:210
202582916,71sleep020266-21users20:10:480
192212905,74sleep019222-21sshd20:07:210
4247998938,36cyclictest3650irq/20-4900000022:32:080
46232885,72sleep04625-21irqstats19:10:300
4247998842,29cyclictest3650irq/20-4900000000:00:090
4247998826,30cyclictest0-21swapper/022:57:390
267942875,70sleep026795-21users22:40:490
4247998644,25cyclictest0-21swapper/021:17:470
4247998641,32cyclictest10150irq/55-4a10000019:57:290
4247998544,28cyclictest3650irq/20-4900000019:47:070
4247998533,16cyclictest17975-21seq22:08:130
4247998463,10cyclictest101ktimersoftd/023:30:170
4247998441,29cyclictest3650irq/20-4900000000:00:100
4247998422,15cyclictest10444-21latency_hist19:35:040
4247998336,31cyclictest5314-21netstat23:25:350
4247998251,19cyclictest29488-21runrttasks22:52:310
4247998249,15cyclictest10150irq/55-4a10000020:17:060
4247998239,28cyclictest10250irq/56-4a10000000:30:140
4247998236,31cyclictest10250irq/56-4a10000021:01:420
4247998222,15cyclictest3609-21latency_hist23:20:050
4247998221,15cyclictest21104-21latency_hist00:30:030
4247998162,11cyclictest101ktimersoftd/022:30:030
4247998152,14cyclictest10150irq/55-4a10000020:55:200
4247998142,27cyclictest101ktimersoftd/000:15:530
4247997960,11cyclictest101ktimersoftd/020:20:210
4247997950,12cyclictest10150irq/55-4a10000019:40:010
4247997948,14cyclictest10150irq/55-4a10000023:10:490
4247997938,28cyclictest3650irq/20-4900000022:00:040
4247997933,30cyclictest9839-21seq21:35:280
4247997932,14cyclictest10250irq/56-4a10000022:47:010
424799788,18cyclictest16041-21diskstats22:00:230
4247997850,13cyclictest10150irq/55-4a10000020:30:400
4247997849,12cyclictest10150irq/55-4a10000019:25:150
4247997742,27cyclictest0-21swapper/021:25:120
4247997734,29cyclictest3650irq/20-4900000000:05:230
4247997629,13cyclictest11038-21df21:40:150
4247997557,11cyclictest101ktimersoftd/019:20:560
4247997551,15cyclictest19725-21/usr/sbin/munin22:15:190
4247997551,10cyclictest101ktimersoftd/023:20:340
4247997535,28cyclictest3650irq/20-4900000020:00:410
4247997527,30cyclictest13628-21/usr/sbin/munin21:50:300
4247997139,22cyclictest5870-21runrttasks21:20:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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