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2026-09-18 - 07:53
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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 Thu Sep 17, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56862257104,119sleep00-21swapper/007:09:330
58049911387,16cyclictest0-21swapper/007:10:040
58049910647,43cyclictest10250irq/56-4a10000009:35:400
58049910148,42cyclictest0-21swapper/012:34:180
62972986,11sleep06328-21ps09:15:440
5804999837,44cyclictest101ktimersoftd/012:37:100
5804999757,25cyclictest101ktimersoftd/008:30:490
5804999670,11cyclictest101ktimersoftd/011:07:100
5804999468,10cyclictest101ktimersoftd/007:45:300
5804999441,34cyclictest24559-21/usr/sbin/munin08:20:420
5804999438,39cyclictest10367-21runrttasks09:31:450
5804999435,38cyclictest0-21swapper/008:50:550
5804999430,31cyclictest101ktimersoftd/010:30:330
5804999427,15cyclictest10745-21/usr/sbin/munin11:40:330
5804999365,12cyclictest101ktimersoftd/009:46:060
5804999352,26cyclictest101ktimersoftd/011:35:480
5804999352,25cyclictest101ktimersoftd/010:17:100
5804999330,29cyclictest101ktimersoftd/011:45:370
5804999322,30cyclictest1408-21nginx08:15:210
5804999321,56cyclictest25824-21chrt08:25:420
5804999140,31cyclictest19536-21/usr/sbin/munin08:00:360
5804998944,30cyclictest101ktimersoftd/009:00:160
5804998844,29cyclictest3650irq/20-4900000008:57:110
5804998840,30cyclictest22168-21grep12:25:120
5804998810,58cyclictest12769-21sshd09:40:570
580499879,24cyclictest30334-21ntp_states10:50:430
5804998749,26cyclictest0-21swapper/010:45:220
5804998749,23cyclictest101ktimersoftd/008:05:210
5804998740,36cyclictest14140-21apt-config07:40:190
5804998728,46cyclictest10268-21diskstats07:25:190
206182874,7sleep00-21swapper/012:19:570
5804998643,29cyclictest3650irq/20-4900000011:30:260
5804998643,28cyclictest3650irq/20-4900000009:50:230
5804998641,34cyclictest1312-21sshd07:55:360
5804998544,29cyclictest3650irq/20-4900000012:00:270
5804998458,11cyclictest101ktimersoftd/007:35:250
5804998453,20cyclictest4556-21/usr/sbin/munin11:15:430
5804998437,31cyclictest7851-21irqstats07:15:320
5804998345,23cyclictest101ktimersoftd/011:00:310
5804998340,35cyclictest10250irq/56-4a10000010:26:180
5804998320,48cyclictest1408-21nginx11:51:010
5804998315,33cyclictest1305-21snmpd08:35:500
580499828,39cyclictest5020-21ntp_states09:10:400
5804998253,13cyclictest10150irq/55-4a10000007:50:210
580499816,38cyclictest5449-21aten_r7power_en11:20:140
5804998152,19cyclictest29690-21mailstats08:40:440
5804998136,30cyclictest1276-21runrttasks10:10:440
5804998132,11cyclictest101ktimersoftd/011:15:020
5804998128,39cyclictest2010-21node12:11:580
580499809,19cyclictest809-21systemd-logind12:09:400
580499807,22cyclictest18351-21/usr/sbin/munin10:05:470
580499806,23cyclictest17565-21ps10:00:440
5804998059,11cyclictest101ktimersoftd/011:25:160
5804998050,14cyclictest10150irq/55-4a10000009:05:500
5804998048,23cyclictest14719-21runrttasks11:55:330
5804998043,27cyclictest0-21swapper/010:40:220
5804998039,30cyclictest0-21swapper/010:20:060
580499798,27cyclictest8821-21/usr/sbin/munin07:20:220
580499796,37cyclictest22253-21users08:10:500
5804997951,17cyclictest31532-21/usr/sbin/munin10:55:340
5804997951,12cyclictest101ktimersoftd/007:30:290
5804997942,29cyclictest20825-21aten_r7power_en12:20:200
5804997855,14cyclictest16184-21netstat09:55:330
5804997835,32cyclictest754-21systemd-journal09:30:010
5804997748,13cyclictest101ktimersoftd/010:35:130
5804997657,11cyclictest101ktimersoftd/009:20:130
5804997646,14cyclictest10150irq/55-4a10000008:50:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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