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2025-06-19 - 17:56
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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 100 highest latencies:
System rackbslot2.osadl.org (updated Thu Jun 19, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15821492229199,19sleep20-21swapper/207:09:522
15818762228179,39sleep10-21swapper/107:06:271
15817792228178,39sleep00-21swapper/007:05:370
15820562224195,18sleep30-21swapper/307:08:423
176559521200,1sleep10-21swapper/110:40:071
158232299695,64cyclictest1695218-21kworker/u8:0+efi_rts_wq09:33:450
1582325996448,13cyclictest1716819-21ThreadPoolForeg09:45:011
1582328996259,2cyclictest1764019-21kworker/u8:1+events_unbound10:50:093
158232599614,56cyclictest1695218-21kworker/u8:0+efi_rts_wq09:33:421
1582325995849,8cyclictest1652534-21/usr/share/muni08:30:021
1582328995148,2cyclictest1683137-21kworker/u8:3+events_unbound09:30:153
158232899501,14cyclictest1777448-21snmp_wanpowerct10:55:013
1582325995046,2cyclictest1678288-21/usr/share/muni09:00:021
1582328994946,2cyclictest1683137-21kworker/u8:3+flush-179:009:20:103
1582326994843,3cyclictest1665384-21/usr/share/muni08:45:102
1582328994744,2cyclictest1807085-21kworker/u8:4+events_unbound11:40:003
1582328994744,2cyclictest1803295-21kworker/u8:2+events_unbound11:25:073
1582325994644,1cyclictest0-21swapper/110:45:011
1582328994543,2cyclictest1646736-21kworker/u8:1+events_unbound08:50:073
1582328994542,2cyclictest1846125-21kworker/u8:1+flush-179:012:20:093
1582322994541,3cyclictest1864808-21cat12:35:080
158232299450,44cyclictest1-21systemd10:45:000
1582328994441,2cyclictest1764019-21kworker/u8:1+events_unbound11:15:093
1582326994432,1cyclictest1716724-13chrome09:45:012
1582328994340,2cyclictest1764019-21kworker/u8:1+events_unbound10:45:063
1582328994340,2cyclictest1616905-21kworker/u8:3+flush-179:008:25:093
1582328994328,14cyclictest1586335-21kworker/u8:1+flush-179:007:45:103
1582325994339,3cyclictest1777461-21cat10:55:011
1582322994341,1cyclictest1701037-21cat09:25:080
1582322994338,3cyclictest1586335-21kworker/u8:1+flush-179:007:45:070
15834512420,3sleep0191rcuc/007:10:060
1582326994235,6cyclictest837106-1kworker/2:2H+kblockd09:20:042
1582325994237,3cyclictest1829014-21latency_hist11:55:001
1582328994138,2cyclictest1824468-21kworker/u8:2+flush-179:012:00:273
1582328994138,2cyclictest1695218-21kworker/u8:0+flush-179:009:35:103
1582328994138,2cyclictest1568957-21kworker/u8:5+flush-179:007:30:003
1582328994137,3cyclictest1832517-31munin-html11:55:293
1582326994136,4cyclictest1759689-21kworker/2:2+pm11:05:122
1582325994136,4cyclictest1600551-21/usr/share/muni07:30:001
1582322994137,3cyclictest1777464-21cat10:55:010
1582328994037,2cyclictest1651854-21kworker/u8:2+events_unbound09:00:113
1582328994028,1cyclictest1639757-21awk08:15:023
1582326994038,1cyclictest1798593-21kworker/2:0+pm11:31:522
1582326994037,2cyclictest1759689-21kworker/2:2+pm10:45:502
1582325994038,1cyclictest1586969-21kworker/1:3+pm07:17:071
1582325994036,3cyclictest1637204-21apt-get08:10:121
1582328993936,2cyclictest1646736-21kworker/u8:1+events_unbound08:45:083
1582328993936,2cyclictest1586335-21kworker/u8:1+events_unbound07:30:063
1582328993932,3cyclictest1764019-21kworker/u8:1+events_unbound11:00:243
1582326993937,1cyclictest1798593-21kworker/2:0+pm12:31:232
1582326993937,1cyclictest1798593-21kworker/2:0+pm11:35:162
1582326993937,1cyclictest1759689-21kworker/2:2+pm11:20:512
1582326993937,1cyclictest1562915-21kworker/2:0+pm07:50:012
1582326993937,1cyclictest1562915-21kworker/2:0+pm07:25:542
1582326993937,1cyclictest1562915-21kworker/2:0+pm07:20:132
1582326993936,2cyclictest1798593-21kworker/2:0+pm12:20:132
1582326993936,2cyclictest1759689-21kworker/2:2+pm10:50:112
1582326993936,2cyclictest1562915-21kworker/2:0+pm09:30:032
1582326993936,1cyclictest1759689-21kworker/2:2+pm10:55:132
1582326993935,3cyclictest1798593-21kworker/2:0+pm12:06:182
1582326993935,3cyclictest1798593-21kworker/2:0+pm11:58:472
1582326993934,4cyclictest1793807-31munin-html11:10:342
1582326993934,4cyclictest1562915-21kworker/2:0+pm07:35:292
1582326993929,9cyclictest1562915-21kworker/2:0+pm08:25:222
158232699390,33cyclictest0-21swapper/207:10:282
1582325993921,9cyclictest1801618-21cat11:20:151
1582322993935,3cyclictest1586335-21kworker/u8:1+events_unbound07:35:070
1582322993934,4cyclictest1200406-1kworker/0:2H+kblockd11:45:110
1582328993834,3cyclictest1589707-21kworker/u8:3+flush-179:007:20:243
1582326993836,1cyclictest1798593-21kworker/2:0+pm12:35:192
1582326993836,1cyclictest1798593-21kworker/2:0+pm12:01:132
1582326993836,1cyclictest1759689-21kworker/2:2+pm11:16:232
1582326993836,1cyclictest1745583-21kworker/2:1+pm10:20:132
1582326993836,1cyclictest1729785-21kworker/2:0+pm10:15:262
1582326993836,1cyclictest1562915-21kworker/2:0+pm09:35:422
1582326993836,1cyclictest1562915-21kworker/2:0+pm09:01:012
1582326993836,1cyclictest1562915-21kworker/2:0+pm08:50:012
1582326993836,1cyclictest1562915-21kworker/2:0+pm08:30:542
1582326993836,1cyclictest1562915-21kworker/2:0+pm08:16:002
1582326993836,1cyclictest1562915-21kworker/2:0+pm08:10:262
1582326993836,1cyclictest1562915-21kworker/2:0+pm07:16:012
1582326993835,2cyclictest1798593-21kworker/2:0+pm12:17:022
1582326993835,2cyclictest1798593-21kworker/2:0+pm12:17:022
1582326993832,5cyclictest1562915-21kworker/2:0+pm08:55:052
1582326993831,5cyclictest1712597-21kworker/2:2+pm09:55:052
1582322993834,3cyclictest1725271-21kworker/u8:2+flush-179:010:35:150
1582322993834,2cyclictest1200406-1kworker/0:2H+kblockd11:40:470
1582322993832,3cyclictest1622319-21latency_hist07:55:010
1582328993735,2cyclictest1858577-21kworker/u8:0+flush-179:012:30:003
1582328993735,1cyclictest1507290-21kworker/3:1+pm08:33:153
1582328993734,2cyclictest1746299-31munin-html10:15:283
1582328993734,2cyclictest1729511-21kworker/u8:5+events_unbound10:30:093
1582328993734,2cyclictest1586335-21kworker/u8:1+events_unbound07:55:073
1582328993734,2cyclictest1538852-1kworker/3:0H+kblockd10:15:003
1582328993734,2cyclictest1538852-1kworker/3:0H+kblockd08:40:073
1582328993734,2cyclictest1538852-1kworker/3:0H+kblockd08:10:003
1582328993733,3cyclictest1798174-21kworker/u8:0+events_unbound11:41:053
1582326993735,1cyclictest1798593-21kworker/2:0+pm11:40:172
1582326993735,1cyclictest1759689-21kworker/2:2+pm10:40:292
1582326993735,1cyclictest1729785-21kworker/2:0+pm10:02:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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