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2025-11-30 - 10:56
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Sat Nov 29, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7819032232177,18sleep30-21swapper/307:06:503
7818922228198,20sleep20-21swapper/207:06:412
7820482217188,19sleep10-21swapper/107:08:411
7819542217189,18sleep00-21swapper/007:07:280
78238299931,89cyclictest969451-21snmp_ryswitch.c10:45:022
782378997772,3cyclictest1021706-21snmp_wanswitch.11:45:011
782374995751,4cyclictest1021664-21chrome11:45:010
782384995652,2cyclictest1021753-21snmp_areswitch.11:45:013
782382995246,4cyclictest800578-21cat07:30:012
782384995148,2cyclictest1017083-21kworker/u8:3+flush-179:012:15:043
782378995147,3cyclictest1023346-21kworker/u8:0+flush-179:011:50:141
782374994945,3cyclictest920650-21kworker/u8:1+events_unbound09:50:000
782382994839,5cyclictest777113-21kworker/2:1+pm07:20:282
782382994837,9cyclictest986474-21kworker/2:1+pm11:10:032
782382994833,14cyclictest1004506-21/usr/share/muni11:25:012
782378994844,3cyclictest887105-21kworker/u8:1+flush-179:009:10:151
782384994744,2cyclictest803352-21kworker/u8:2+flush-179:007:35:053
782382994733,13cyclictest885389-21kworker/2:1+pm09:20:102
782374994743,3cyclictest760617-21kworker/u8:1+flush-179:007:10:150
782384994643,2cyclictest791273-21kworker/u8:1+flush-179:008:00:053
782382994643,2cyclictest917293-21kworker/2:3+pm10:50:432
782382994635,9cyclictest904456-21kworker/2:2+pm09:40:032
782378994640,4cyclictest826558-21latency_hist08:00:011
782382994521,23cyclictest1043157-21/usr/share/muni12:10:082
782378994539,5cyclictest939433-21/usr/share/muni10:10:151
782374994542,2cyclictest791273-21kworker/u8:1+flush-179:008:05:050
782374994541,3cyclictest865404-21latency_hist08:45:010
782384994441,2cyclictest1055633-21kworker/u8:2+flush-179:012:25:103
782384994339,3cyclictest796087-21kworker/u8:0+flush-179:008:10:053
782384994336,6cyclictest1034097-21kworker/u8:1+events_unbound12:00:003
782382994339,2cyclictest777113-21kworker/2:1+pm07:55:592
78238299431,40cyclictest847968-31munin-html08:20:442
78237899431,3cyclictest879191-21snmp_wanswitch.09:00:021
782374994340,2cyclictest887105-21kworker/u8:1+flush-179:009:10:050
782374994340,2cyclictest856832-21kworker/u8:4+events_unbound08:35:140
782374994339,3cyclictest982515-21latency_hist11:00:010
782382994237,3cyclictest777113-21kworker/2:1+pm07:40:022
782382994233,8cyclictest777113-21kworker/2:1+pm07:10:102
782378994238,3cyclictest1029439-21kworker/u8:2+flush-179:012:10:091
782374994239,2cyclictest990786-21kworker/u8:4+flush-179:011:20:080
782382994138,2cyclictest833363-21kworker/2:0+pm08:31:262
782382994137,2cyclictest1047153-21kworker/2:0+pm12:35:022
782382994136,3cyclictest986474-21kworker/2:1+pm11:55:102
782382994135,4cyclictest917293-21kworker/2:3+pm10:15:032
782382994129,11cyclictest434835-1kworker/2:0H+kblockd12:20:002
782382994125,10cyclictest1318-21snmpd12:05:462
782384994037,2cyclictest796087-21kworker/u8:0+events_unbound07:55:153
782382994037,2cyclictest986474-21kworker/2:1+pm11:50:112
782382994037,2cyclictest986474-21kworker/2:1+pm11:30:182
782382994037,2cyclictest917293-21kworker/2:3+pm09:57:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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