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2025-11-21 - 08:53
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Thu Nov 20, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20975132223194,19sleep10-21swapper/107:07:461
20974442221192,19sleep20-21swapper/207:06:502
20976212220192,18sleep00-21swapper/007:09:090
20975102220190,20sleep30-21swapper/307:07:443
221126821320,1sleep22211258-21snmp_wlanswitch09:20:032
209783899990,60cyclictest2129408-21/usr/share/muni07:45:011
2097838996811,56cyclictest2141717-21kworker/u8:0+efi_rts_wq09:19:341
2097848996320,41cyclictest427-21jbd2/mmcblk0p2-811:45:003
209784299584,53cyclictest2141717-21kworker/u8:0+efi_rts_wq09:19:312
209784899557,48cyclictest2141717-21kworker/u8:0+efi_rts_wq09:19:333
2097842995350,2cyclictest2267140-21kworker/u8:1+flush-179:012:10:132
2097835995149,1cyclictest2180824-13chrome08:45:010
2097835994744,2cyclictest2285138-21Chrome_ChildIOT10:45:020
2097838994542,2cyclictest2307572-21cat11:10:081
2097835994541,3cyclictest2300062-21apt-get11:00:150
209783899443,39cyclictest2337347-21chrome11:45:001
2097835994441,2cyclictest2317825-21awk11:20:150
2097848994338,3cyclictest2129086-21latency_hist07:45:013
2097842994339,3cyclictest2328202-21kworker/u8:0+flush-179:011:55:072
2097842994339,3cyclictest2291682-21cat10:50:152
2097848994138,2cyclictest1990596-1kworker/3:2H+kblockd10:25:063
2097842994125,15cyclictest1318-21snmpd11:41:332
2097848994025,3cyclictest2288447-21ntpq10:45:223
2097842994038,1cyclictest2093361-21kworker/2:0+pm09:50:162
2097842994038,1cyclictest2093361-21kworker/2:0+pm08:40:372
2097842994037,2cyclictest2093361-21kworker/2:0+pm07:25:462
2097842994036,3cyclictest2281868-21apt-get10:40:072
2097842994036,3cyclictest2164816-21apt-get08:25:072
2097842994036,3cyclictest2154750-21kworker/u8:2+flush-179:008:30:062
2097835994038,1cyclictest2325471-21kworker/0:0+pm11:45:250
2097835994030,10cyclictest1318-21snmpd09:09:320
2097842993938,1cyclictest2093361-21kworker/2:0+pm08:46:262
2097842993937,1cyclictest2093361-21kworker/2:0+pm09:41:062
2097842993937,1cyclictest2093361-21kworker/2:0+pm09:30:052
2097842993937,1cyclictest2093361-21kworker/2:0+pm07:30:282
2097842993937,1cyclictest1318-21snmpd08:14:422
2097842993936,2cyclictest2310426-21kworker/2:0+pm11:45:522
2097842993932,6cyclictest2242219-21ntpq09:55:042
2097835993936,3cyclictest2227840-21kworker/u8:2+flush-179:009:50:050
2097835993936,2cyclictest2141717-21kworker/u8:0+flush-179:009:35:070
2097835993936,2cyclictest2067240-21kworker/u8:3+events_unbound07:35:000
2097835993935,3cyclictest2267140-21kworker/u8:1+flush-179:010:30:260
2097835993935,3cyclictest2157382-21apt-get08:15:160
2097842993836,1cyclictest2351900-21kworker/2:1+pm12:15:172
2097842993836,1cyclictest2310426-21kworker/2:0+pm12:00:292
2097842993836,1cyclictest2310426-21kworker/2:0+pm11:21:072
2097842993836,1cyclictest2093361-21kworker/2:0+pm10:20:002
2097842993836,1cyclictest2093361-21kworker/2:0+pm10:00:512
2097842993836,1cyclictest2093361-21kworker/2:0+pm09:10:282
2097842993836,1cyclictest2093361-21kworker/2:0+pm09:00:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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