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2025-09-18 - 09:56
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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 Wed Sep 17, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16187192227197,19sleep20-21swapper/207:07:592
16187992225196,19sleep10-21swapper/107:08:581
16185772223194,19sleep00-21swapper/007:06:070
16185952219190,19sleep30-21swapper/307:06:223
161911899662,64cyclictest1636330-21kworker/u8:2+efi_rts_wq07:29:050
1619125996448,2cyclictest1701659-21snmp_wlanpowerc08:45:022
1619125995754,2cyclictest1649757-21chrome07:45:012
161912899560,1cyclictest1649740-21ThreadPoolForeg07:45:023
161912399535,47cyclictest1618603-21kworker/u8:0+efi_rts_wq07:29:001
18877742520,0chrt1887775-21/usr/sbin/munin12:20:012
17932082500,1chrt1793199-21snmp_wlanswitch10:30:031
17932082500,1chrt1793199-21snmp_wlanswitch10:30:031
1619123995031,15cyclictest1701618-21chrome08:45:011
161912599480,47cyclictest1618603-21kworker/u8:0+efi_rts_wq07:29:022
1619125994642,3cyclictest1710647-21/usr/share/muni08:55:022
1619123994542,2cyclictest1792643-21kworker/u8:0+flush-179:011:59:591
1619118994539,4cyclictest1797228-21/usr/share/muni10:35:140
1619123994440,3cyclictest1810237-21/usr/share/muni10:50:021
1619125994339,3cyclictest1656296-21apt-get07:50:152
1619118994337,4cyclictest1793231-21/usr/share/muni10:30:150
1619118994337,4cyclictest1793231-21/usr/share/muni10:30:150
1619125994239,2cyclictest1618603-21kworker/u8:0+flush-179:007:35:152
1619123994238,3cyclictest1850551-21cat11:35:141
1619125994130,2cyclictest1775929-21kworker/u8:1+flush-179:010:15:062
1619123994136,3cyclictest1823303-21cat11:05:041
1619118994127,12cyclictest1701536-13chrome08:45:010
1619125994038,1cyclictest1784058-21kworker/2:2+pm11:26:052
1619125994038,1cyclictest1723189-21kworker/2:0+pm09:40:292
1619125994038,1cyclictest1723189-21kworker/2:0+pm09:26:112
1619125994036,3cyclictest1723499-21/usr/share/muni09:10:012
1619125993938,1cyclictest1784058-21kworker/2:2+pm12:26:152
1619125993937,1cyclictest1784058-21kworker/2:2+pm12:10:272
1619125993937,1cyclictest1662120-21kworker/2:1+pm09:01:032
1619125993937,1cyclictest1623447-21kworker/2:2+pm07:20:522
1619125993937,1cyclictest1579701-21kworker/2:3+pm07:10:112
1619125993936,2cyclictest1784058-21kworker/2:2+pm10:56:052
1619125993936,2cyclictest1775929-21kworker/u8:1+flush-179:010:50:162
1619125993914,24cyclictest1904557-21apt-get12:40:002
1619123993935,3cyclictest1696354-31munin-html08:35:281
1619128993836,1cyclictest1605469-21kworker/3:2+pm07:10:263
1619128993834,2cyclictest1379690-1kworker/3:2H+kblockd11:45:033
1619128993832,5cyclictest1379690-1kworker/3:2H+kblockd08:22:263
1619125993837,1cyclictest1723189-21kworker/2:0+pm10:06:362
1619125993836,2cyclictest1723189-21kworker/2:0+pm10:01:302
1619125993836,1cyclictest1784058-21kworker/2:2+pm10:30:032
1619125993836,1cyclictest1784058-21kworker/2:2+pm10:30:032
1619125993836,1cyclictest1723189-21kworker/2:0+pm09:30:572
1619125993836,1cyclictest1723189-21kworker/2:0+pm09:15:092
1619125993835,2cyclictest1784058-21kworker/2:2+pm11:40:492
1619125993835,2cyclictest1662120-21kworker/2:1+pm08:35:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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