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2025-12-30 - 12:10
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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 Mon Dec 29, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6853152233202,20sleep20-21swapper/207:07:442
6853482228199,19sleep00-21swapper/007:08:120
6852842225177,39sleep10-21swapper/107:07:191
6852012221192,19sleep30-21swapper/307:06:183
69049421330,1sleep2690430-21snmp_wlanswitch07:15:012
68562799941,91cyclictest820487-21chrome09:45:020
685627995449,4cyclictest710516-21kworker/u8:4+events_unbound07:50:120
685627995449,4cyclictest710516-21kworker/u8:4+events_unbound07:50:120
685637995239,12cyclictest777034-21kworker/u8:2+flush-179:009:00:243
685637995148,2cyclictest889520-21kworker/u8:0+flush-179:011:30:133
685632995018,31cyclictest0-21swapper/111:42:121
6955522490,1chrt695477-21snmp_ryswitch2.07:20:011
685637994946,2cyclictest833319-21kworker/u8:5+events_unbound10:10:043
685637994844,3cyclictest907128-21/usr/share/muni11:25:073
685634994740,5cyclictest963279-21munin-node12:30:012
685632994743,1cyclictest924254-21/usr/share/muni11:45:011
685627994741,4cyclictest859919-21/usr/share/muni10:30:150
685637994643,2cyclictest698211-21kworker/u8:1+flush-179:007:35:153
685627994640,4cyclictest738015-21munin-update08:10:150
685637994534,10cyclictest833319-21kworker/u8:5+flush-179:010:35:053
685634994541,2cyclictest872826-21snmp_ryswitch.c10:45:002
685634994540,4cyclictest777034-21kworker/u8:2+flush-179:008:55:152
685632994541,3cyclictest705802-21apt-get07:30:131
685637994440,3cyclictest795180-21kworker/u8:1+flush-179:009:20:133
685637994440,3cyclictest795180-21kworker/u8:1+flush-179:009:20:123
685637994437,3cyclictest828976-21kworker/u8:0+events_unbound10:00:153
685637994430,13cyclictest915087-21kworker/u8:3+flush-179:011:35:053
685634994439,4cyclictest937217-21/usr/share/muni12:00:132
685632994337,4cyclictest691901-21apt-get07:15:071
685627994340,2cyclictest763771-21kworker/u8:0+flush-179:008:40:100
685637994239,2cyclictest940958-21kworker/u8:2+events_unbound12:10:153
685637994239,2cyclictest742291-21kworker/u8:0+flush-179:008:20:153
685637994238,3cyclictest855232-21kworker/u8:2+flush-179:010:30:003
685632994224,17cyclictest399313-1kworker/1:2H+kblockd12:35:041
685634994137,2cyclictest820532-21snmp_wanswitch.09:45:012
685634994135,4cyclictest716788-21ThreadPoolForeg07:45:192
685632994136,4cyclictest767401-21ntpq08:40:251
685627994138,2cyclictest846419-21kworker/u8:3+flush-179:010:15:120
685637994026,13cyclictest833319-21kworker/u8:5+events_unbound10:15:243
685634994037,2cyclictest942263-21kworker/2:0+pm12:20:122
685634994037,2cyclictest733780-21kworker/2:1+pm08:05:272
685634994034,4cyclictest833886-21/usr/share/muni10:00:082
685632994029,9cyclictest716705-13Chrome_IOThread07:45:011
685627994039,0cyclictest926977-21awk11:45:170
685627994035,4cyclictest842394-21/usr/share/muni10:10:100
685637993936,2cyclictest815657-21kworker/u8:2+events_unbound10:05:243
685637993936,2cyclictest789186-21kworker/u8:3+flush-179:009:50:273
685637993936,2cyclictest703227-21kworker/u8:0+events_unbound07:50:253
685637993936,2cyclictest703227-21kworker/u8:0+events_unbound07:50:253
685634993937,1cyclictest942263-21kworker/2:0+pm12:25:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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