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2025-12-20 - 16:20
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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 100 highest latencies:
System rackbslot2.osadl.org (updated Sat Dec 20, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19190562227198,20sleep20-21swapper/207:07:532
19190812226196,20sleep30-21swapper/307:08:103
19192102221192,20sleep10-21swapper/107:09:541
19192042218189,19sleep00-21swapper/007:09:490
1919366995954,3cyclictest2157565-21chrome11:45:012
191936699570,54cyclictest2001950-21cat08:45:022
1919366995451,2cyclictest2105323-21snmp_ryswitch2.10:45:022
1919366995451,2cyclictest2105323-21snmp_ryswitch2.10:45:022
1919366995349,3cyclictest1919258-21kworker/u8:0+flush-179:007:30:142
1919363995344,8cyclictest2126525-21latency_hist11:10:011
1919363995344,8cyclictest2126525-21latency_hist11:10:001
1919361995344,7cyclictest1923799-21/usr/share/muni07:15:150
1919366995130,20cyclictest1318-21snmpd11:40:352
1919366994743,3cyclictest2122206-21kworker/u8:0+flush-179:011:25:152
1919366994742,4cyclictest2031402-21kworker/u8:0+flush-179:009:40:292
1919366994642,3cyclictest2042558-21apt-get09:30:132
20708612450,1chrt2070660-21/usr/share/muni10:05:023
1919371994540,3cyclictest1900934-21kworker/u8:1+flush-179:007:20:013
1919371994527,16cyclictest2035251-31munin-html09:20:333
1919366994542,2cyclictest2053183-21kworker/u8:1+flush-179:009:50:142
1919366994440,3cyclictest1927959-21kworker/u8:2+flush-179:007:25:122
1919366994435,3cyclictest2004986-21kworker/u8:1+events_unbound09:20:322
1919366994340,2cyclictest1958168-21kworker/u8:3+events_unbound08:20:132
1919366994339,3cyclictest1888501-21kworker/u8:5+events_unbound07:15:082
1919366994239,2cyclictest1900934-21kworker/u8:1+flush-179:007:50:162
1919366994138,2cyclictest1958168-21kworker/u8:3+flush-179:008:05:262
1919366994137,3cyclictest2138222-21kworker/u8:4+flush-179:011:35:162
1919361994137,3cyclictest2023194-21latency_hist09:10:010
1919371994036,3cyclictest2134968-21kworker/u8:1+events_unbound11:55:143
1919371994036,3cyclictest2083030-21kworker/3:2+pm10:40:103
1919366994038,1cyclictest1936694-21kworker/2:1+pm07:40:502
1919366994037,2cyclictest1927959-21kworker/u8:2+flush-179:007:55:162
1919366994036,3cyclictest2078257-21kworker/2:1+pm11:05:022
1919366994036,3cyclictest2078257-21kworker/2:1+pm11:05:012
1919366994035,3cyclictest2146558-21apt-get11:30:142
1919366993937,1cyclictest2078257-21kworker/2:1+pm10:25:482
1919366993937,1cyclictest1971420-21kworker/2:1+pm09:11:042
1919366993937,1cyclictest1971420-21kworker/2:1+pm08:41:022
1919366993936,2cyclictest2078257-21kworker/2:1+pm11:55:462
1919366993936,2cyclictest2035739-21kworker/2:2+pm10:05:012
1919366993936,2cyclictest1992428-21kworker/u8:3+flush-179:009:25:242
1919366993936,2cyclictest1971420-21kworker/2:1+pm08:55:042
1919366993936,2cyclictest1971420-21kworker/2:1+pm08:35:162
1919366993936,2cyclictest1950090-21kworker/2:0+pm08:01:362
1919366993936,2cyclictest1923593-21kworker/2:3+pm07:20:192
1919366993935,3cyclictest2065860-21kworker/u8:3+events_unbound10:15:302
1919366993935,2cyclictest1936694-21kworker/2:1+pm07:45:032
1919366993934,1cyclictest2035739-21kworker/2:2+pm10:14:052
191936699390,15cyclictest2174165-31munin-graph12:01:002
1919363993933,4cyclictest2196167-21/usr/share/muni12:30:031
1919363993927,11cyclictest1318-21snmpd11:16:571
1919371993834,2cyclictest1680490-1kworker/3:0H+kblockd08:46:103
1919366993836,2cyclictest2078257-21kworker/2:1+pm12:10:172
1919366993836,1cyclictest2078257-21kworker/2:1+pm12:30:282
1919366993836,1cyclictest2078257-21kworker/2:1+pm10:40:582
1919366993836,1cyclictest2035739-21kworker/2:2+pm09:56:032
1919366993835,2cyclictest2078257-21kworker/2:1+pm11:10:042
1919366993835,2cyclictest2078257-21kworker/2:1+pm10:35:152
1919366993820,17cyclictest1318-21snmpd10:33:242
1919363993834,2cyclictest1594651-1kworker/1:0H+kblockd12:15:001
1919363993833,3cyclictest1994036-21apt-get08:35:061
1919361993836,1cyclictest1892694-1kworker/0:2H+kblockd09:18:450
1919361993825,12cyclictest2032040-21/usr/share/muni09:20:030
1919371993735,1cyclictest2139116-21kworker/3:2+pm12:15:273
1919371993734,2cyclictest1680490-1kworker/3:0H+kblockd10:38:303
1919371993734,2cyclictest1680490-1kworker/3:0H+kblockd10:02:493
1919371993734,2cyclictest1680490-1kworker/3:0H+kblockd09:50:453
1919371993734,2cyclictest1680490-1kworker/3:0H+kblockd08:38:043
1919371993734,2cyclictest1680490-1kworker/3:0H+kblockd08:22:033
1919371993734,2cyclictest1680490-1kworker/3:0H+kblockd08:07:493
1919371993733,2cyclictest1680490-1kworker/3:0H+kblockd12:35:553
191937199370,35cyclictest2053430-21snmp_wlanswitch09:45:023
1919366993735,1cyclictest2078257-21kworker/2:1+pm12:35:472
1919366993735,1cyclictest2078257-21kworker/2:1+pm10:55:402
1919366993735,1cyclictest2078257-21kworker/2:1+pm10:21:532
1919366993735,1cyclictest2035739-21kworker/2:2+pm09:45:512
1919366993735,1cyclictest1971420-21kworker/2:1+pm09:00:152
1919366993735,1cyclictest1971420-21kworker/2:1+pm08:15:112
1919366993735,1cyclictest1971420-21kworker/2:1+pm08:10:012
1919366993733,3cyclictest2134968-21kworker/u8:1+events_unbound12:25:152
1919366993733,3cyclictest2053183-21kworker/u8:1+events_unbound11:00:152
1919366993733,3cyclictest1992428-21kworker/u8:3+flush-179:008:50:042
1919363993735,1cyclictest2061888-21kworker/1:1+pm12:22:461
1919363993735,1cyclictest2061888-21kworker/1:1+pm10:49:131
1919363993735,1cyclictest2061888-21kworker/1:1+pm10:49:131
1919363993734,2cyclictest1594651-1kworker/1:0H+kblockd10:40:241
1919363993734,2cyclictest1594651-1kworker/1:0H+kblockd09:10:271
1919363993733,2cyclictest1594651-1kworker/1:0H+kblockd10:05:041
1919363993728,5cyclictest1318-21snmpd08:25:461
191936399370,1cyclictest2033445-21smartctl09:20:111
1919361993735,1cyclictest2165783-21kworker/0:2+pm12:37:120
1919361993734,2cyclictest1892694-1kworker/0:2H+kblockd11:55:480
1919361993734,2cyclictest1892694-1kworker/0:2H+kblockd08:45:050
1919361993734,2cyclictest1892694-1kworker/0:2H+kblockd07:53:300
1919361993734,2cyclictest1892694-1kworker/0:2H+kblockd07:30:280
1919361993732,4cyclictest1892694-1kworker/0:2H+kblockd09:28:500
1919361993730,6cyclictest1318-21snmpd08:25:020
1919371993634,1cyclictest1680490-1kworker/3:0H+kblockd08:31:563
1919371993634,1cyclictest1680490-1kworker/3:0H+kblockd07:21:583
1919371993633,2cyclictest2182651-21kworker/u8:2+events_unbound12:25:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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