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2026-01-03 - 01:51
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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 Fri Jan 02, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15386012232179,19sleep00-21swapper/007:06:410
15388302230200,19sleep10-21swapper/107:09:391
15386532225197,18sleep30-21swapper/307:07:203
15387222223195,19sleep20-21swapper/207:08:162
1539021998737,12cyclictest1726540-21munin-node10:45:003
1539019998128,51cyclictest1726487-21chrome10:45:012
153901999716,64cyclictest1538920-21kworker/u8:1+efi_rts_wq08:01:172
153901099653,61cyclictest1505579-21kworker/u8:0+efi_rts_wq08:01:190
153902199636,56cyclictest1538920-21kworker/u8:1+efi_rts_wq08:01:173
1539010996258,3cyclictest1538920-21kworker/u8:1+events_unbound10:15:170
1539021995854,2cyclictest1674274-13chrome09:45:003
1539021995247,4cyclictest1622045-21ThreadPoolForeg08:45:123
1539019995146,3cyclictest1674338-21chrome09:45:012
1539010995046,3cyclictest1769560-21kworker/u8:4+flush-179:011:55:140
1539014994943,4cyclictest1717622-21/usr/share/muni10:35:121
1539010994844,3cyclictest1538920-21kworker/u8:1+flush-179:010:50:150
1539014994732,14cyclictest1054437-1kworker/1:0H+kblockd11:35:301
1539010994643,2cyclictest1538920-21kworker/u8:1+flush-179:007:30:050
1539010994642,3cyclictest1538920-21kworker/u8:1+events_unbound08:35:140
1539021994440,3cyclictest1658899-21apt-get09:25:153
1539010994440,3cyclictest1673859-21kworker/u8:3+flush-179:009:45:180
1539010994440,3cyclictest1598350-21kworker/u8:3+flush-179:008:30:050
1539010994439,4cyclictest1752563-21kworker/u8:2+flush-179:012:05:100
1539021994339,3cyclictest1821095-21kworker/u8:1+flush-179:012:40:003
1539019994328,14cyclictest1639138-21kworker/2:0+pm10:20:102
1539014994335,6cyclictest1639712-21/usr/share/muni09:05:141
1539010994239,2cyclictest1656614-21kworker/u8:2+flush-179:010:25:150
1539010994239,2cyclictest1505579-21kworker/u8:0+flush-179:007:50:140
1539010994136,3cyclictest1786952-21latency_hist11:55:010
1539019994038,1cyclictest1556392-21kworker/2:1+pm07:35:302
1539019994037,2cyclictest1757529-21kworker/2:1+pm12:35:472
1539019994037,2cyclictest1708896-21kworker/2:3+pm10:40:532
1539019994037,2cyclictest1708896-21kworker/2:3+pm10:35:102
1539019994037,2cyclictest1639138-21kworker/2:0+pm09:20:032
1539014994032,7cyclictest1054437-1kworker/1:0H+kblockd10:00:111
1539010994037,2cyclictest1630636-21kworker/u8:0+events_unbound09:25:170
1539010994036,3cyclictest1795155-21kworker/u8:1+flush-179:012:10:240
1539010994036,3cyclictest1510004-21kworker/u8:4+flush-179:007:10:240
1539021993937,1cyclictest1721252-21kworker/3:0+pm10:43:273
1539019993937,1cyclictest1757529-21kworker/2:1+pm12:31:022
1539019993937,1cyclictest1757529-21kworker/2:1+pm11:50:292
1539019993937,1cyclictest1708896-21kworker/2:3+pm10:30:592
1539019993937,1cyclictest1639138-21kworker/2:0+pm09:35:482
1539019993937,1cyclictest1591208-21kworker/2:1+pm08:35:482
1539019993937,1cyclictest1591208-21kworker/2:1+pm08:21:152
1539019993937,1cyclictest1582517-21kworker/2:0+pm08:05:162
1539019993936,2cyclictest1639138-21kworker/2:0+pm09:40:132
1539019993936,2cyclictest1639138-21kworker/2:0+pm09:15:142
1539019993936,2cyclictest1639138-21kworker/2:0+pm09:11:022
1539019993936,2cyclictest1556392-21kworker/2:1+pm07:30:122
1539019993935,2cyclictest1556392-21kworker/2:1+pm07:45:052
153901499396,33cyclictest1538920-21kworker/u8:1+efi_rts_wq08:01:181
1539014993929,7cyclictest1765664-21/usr/share/muni11:30:031
1539010993936,2cyclictest1807846-21kworker/u8:0+flush-179:012:20:150
1539010993936,2cyclictest1721705-21kworker/u8:3+flush-179:010:55:250
1539010993936,2cyclictest1538920-21kworker/u8:1+flush-179:010:45:270
1539010993935,3cyclictest1630636-21kworker/u8:0+flush-179:008:55:270
1539021993836,1cyclictest1799483-21kworker/3:1+pm12:13:083
1539021993834,3cyclictest1587379-21/usr/share/muni08:05:153
1539019993836,1cyclictest1757529-21kworker/2:1+pm12:05:112
1539019993836,1cyclictest1757529-21kworker/2:1+pm11:55:542
1539019993836,1cyclictest1639138-21kworker/2:0+pm09:55:062
1539019993836,1cyclictest1639138-21kworker/2:0+pm09:06:022
1539019993836,1cyclictest1591208-21kworker/2:1+pm08:40:292
1539019993836,1cyclictest1534311-21kworker/2:2+pm07:15:152
1539019993835,2cyclictest1639138-21kworker/2:0+pm10:15:002
1539019993834,3cyclictest1769560-21kworker/u8:4+events_unbound11:45:082
1539019993834,2cyclictest1140618-1kworker/2:0H+kblockd12:25:412
1539019993834,2cyclictest1140618-1kworker/2:0H+kblockd11:40:032
1539014993836,1cyclictest1700088-21kworker/1:1+pm10:31:551
1539010993835,2cyclictest1807846-21kworker/u8:0+events_unbound12:30:140
1539010993835,2cyclictest1474297-1kworker/0:1H+kblockd11:10:040
1539010993834,3cyclictest1538920-21kworker/u8:1+flush-179:009:00:260
1539010993834,3cyclictest1505579-21kworker/u8:0+events_unbound07:20:150
1539010993833,3cyclictest1684706-21apt-get09:55:120
1539021993735,1cyclictest1721252-21kworker/3:0+pm11:12:073
1539019993736,1cyclictest1757529-21kworker/2:1+pm11:30:582
1539019993735,1cyclictest1757529-21kworker/2:1+pm12:20:062
1539019993735,1cyclictest1736873-21kworker/2:2+pm10:55:372
1539019993735,1cyclictest1639138-21kworker/2:0+pm09:51:592
1539019993735,1cyclictest1621544-21kworker/2:2+pm09:02:042
1539019993735,1cyclictest1591208-21kworker/2:1+pm08:30:572
1539019993735,1cyclictest1534311-21kworker/2:2+pm07:12:142
1539019993734,2cyclictest1140618-1kworker/2:0H+kblockd12:11:542
1539019993734,2cyclictest1140618-1kworker/2:0H+kblockd12:00:162
1539019993734,2cyclictest1140618-1kworker/2:0H+kblockd11:15:242
1539019993734,2cyclictest1140618-1kworker/2:0H+kblockd10:17:372
1539019993734,2cyclictest1140618-1kworker/2:0H+kblockd09:26:332
1539019993734,2cyclictest1140618-1kworker/2:0H+kblockd07:41:212
1539019993733,2cyclictest1606518-21apt-get08:25:142
1539014993735,1cyclictest1669123-21kworker/1:0+pm10:05:111
1539014993735,1cyclictest1318-21snmpd09:28:261
1539014993733,2cyclictest1054437-1kworker/1:0H+kblockd10:25:421
1539014993730,5cyclictest1748515-21/usr/share/muni11:10:011
1539010993734,2cyclictest1510004-21kworker/u8:4+events_unbound07:15:050
1539010993734,2cyclictest1474297-1kworker/0:1H+kblockd11:16:350
1539010993734,2cyclictest1474297-1kworker/0:1H+kblockd08:20:300
1539010993730,3cyclictest1617039-21kworker/u8:4+events_unbound08:45:110
1539021993635,1cyclictest1530004-1kworker/3:1H+kblockd12:04:103
1539021993634,1cyclictest1530004-1kworker/3:1H+kblockd12:23:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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