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2026-06-30 - 18:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot8.osadl.org (updated Tue Jun 30, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1896828993323,7cyclictest2217383-21sleep10:55:003
1896828993323,7cyclictest2217383-21sleep10:54:593
1896828992926,1cyclictest0-21swapper/309:40:143
1896828992825,1cyclictest0-21swapper/312:40:013
1896828992623,1cyclictest0-21swapper/311:40:143
1896828992623,1cyclictest0-21swapper/310:15:183
1896828992522,1cyclictest0-21swapper/311:20:043
1896828992522,1cyclictest0-21swapper/307:40:013
1896828992412,1cyclictest0-21swapper/309:19:083
189682899232,17cyclictest2183577-21taskset10:30:193
189682899232,16cyclictest1900290-21taskset07:10:173
1896828992320,1cyclictest0-21swapper/310:20:073
189682899231,17cyclictest2272798-21chrt11:30:143
1896828992219,1cyclictest0-21swapper/310:45:183
1896828992219,1cyclictest0-21swapper/310:30:003
189682899221,17cyclictest2233456-21chrt11:05:113
1896828992211,1cyclictest0-21swapper/309:27:133
189682899219,1cyclictest0-21swapper/310:35:123
1896828992118,1cyclictest0-21swapper/310:05:173
1896828992118,1cyclictest0-21swapper/309:05:003
1896828992118,1cyclictest0-21swapper/308:05:003
1896828992118,1cyclictest0-21swapper/307:25:283
1896828992112,1cyclictest0-21swapper/309:24:193
189682899211,16cyclictest2373400-21taskset12:31:453
189682899211,15cyclictest2052491-21sleep09:10:003
189682899211,15cyclictest2052491-21sleep09:09:593
189682899202,14cyclictest2026627-21taskset08:47:073
1896828992017,1cyclictest0-21swapper/312:20:163
1896828992017,1cyclictest0-21swapper/308:59:593
189682899201,15cyclictest2320162-21taskset12:00:123
189682899201,15cyclictest2013908-21taskset08:38:053
189682899201,13cyclictest2217383-21sleep10:59:543
189682899198,1cyclictest0-21swapper/309:35:123
1896828991917,1cyclictest0-21swapper/309:45:113
1896828991916,1cyclictest0-21swapper/307:25:013
189682899191,14cyclictest2318971-21taskset11:58:133
189682899191,14cyclictest2090303-21taskset09:30:503
189682899191,14cyclictest2032877-21taskset08:50:453
189682899191,14cyclictest1962682-21taskset07:57:173
189682899191,13cyclictest2241201-21taskset11:10:013
189682899191,13cyclictest1982061-21taskset08:14:293
22653782180,14sleep22265692-21cut11:25:172
1896828991815,1cyclictest0-21swapper/311:00:163
1896828991815,1cyclictest0-21swapper/310:40:103
1896828991815,1cyclictest0-21swapper/310:00:063
1896828991815,1cyclictest0-21swapper/309:50:173
1896828991815,1cyclictest0-21swapper/308:35:013
1896828991815,1cyclictest0-21swapper/308:20:113
189682899181,13cyclictest2366166-21taskset12:28:243
189682899181,13cyclictest2366166-21taskset12:28:233
189682899181,13cyclictest2304603-21taskset11:50:143
189682899181,13cyclictest2302806-21taskset11:46:543
189682899181,13cyclictest2287225-21taskset11:37:243
189682899181,13cyclictest2255201-21taskset11:15:463
189682899181,13cyclictest2020124-21taskset08:40:393
189682899181,13cyclictest1974799-21taskset08:05:233
189682899181,13cyclictest1943682-21taskset07:44:333
189682899181,13cyclictest1930786-21taskset07:33:273
189682899181,12cyclictest2131208-21taskset10:00:003
189682899181,12cyclictest1945700-21taskset07:45:183
189682899171,13cyclictest2349425-21taskset12:15:333
189682899171,13cyclictest2349425-21taskset12:15:323
189682899171,13cyclictest2335281-21taskset12:09:393
189682899171,13cyclictest2271028-21taskset11:26:053
189682899171,12cyclictest2058641-21taskset09:10:303
189682899171,12cyclictest1909484-21taskset07:15:193
189682899171,12cyclictest1909484-21taskset07:15:193
1896828991614,1cyclictest0-21swapper/310:10:193
189682899161,12cyclictest2000935-21taskset08:25:303
189682899161,12cyclictest1988160-21taskset08:15:293
189682899161,11cyclictest2335739-21chrt12:10:103
189682899161,11cyclictest1956171-21taskset07:50:593
23116692150,1sleep1331ktimers/111:54:411
23017162150,5sleep02301763-21ntp_states11:45:240
18963772150,2sleep30-21swapper/307:06:023
23601792131,9sleep12360894-21cut12:25:181
23601792131,9sleep12360894-21cut12:25:171
23462892131,8sleep22347992-21kthreadcore12:15:172
23462892131,8sleep22347992-21kthreadcore12:15:172
22393752130,5sleep22239379-21ssh11:05:442
21856462130,9sleep22185652-21ssh10:34:002
20259072132,7sleep0222-21plymouthd08:45:220
19571992131,9sleep21958042-21sed07:55:162
19507722131,9sleep01951191-21cut07:50:170
23200082121,8sleep22319966-21/usr/sbin/munin12:00:122
22912132121,8sleep20-21swapper/211:40:202
19892102120,4sleep11989380-21irqcore08:20:171
18978602123,6sleep11898608-21cut07:10:171
21415682111,3sleep22142395-21kthreadcore10:05:182
21300972111,4sleep12106081-21kworker/u16:3+nfsiod09:57:151
21140502116,2sleep00-21swapper/009:46:120
21019122110,8sleep12103543-21grep09:40:191
19946712111,3sleep2222-21plymouthd08:22:072
19137992111,7sleep11915540-21kthreadcore07:20:191
18906382111,4sleep11890671-21apt-get07:05:111
23542542101,6sleep02355970-21kthreadcore12:20:190
23514292101,6sleep22351097-21sendmail-msp12:20:142
23430502102,4sleep2222-21plymouthd12:14:282
23031702100,8sleep12303176-21ssh11:47:571
22884692101,6sleep12288221-21sendmail-msp11:40:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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