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2025-12-07 - 17:17
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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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Sun Dec 07, 2025 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15490993231,0cyclictest0-21swapper/209:10:012
15490992819,9cyclictest0-21swapper/208:02:582
15489992826,2cyclictest0-21swapper/109:20:191
15488992414,0cyclictest0-21swapper/012:25:160
15490992314,0cyclictest0-21swapper/210:30:152
1549099230,5cyclictest0-21swapper/211:29:062
1549099230,20cyclictest0-21swapper/211:44:502
15489992321,2cyclictest201rcuc/107:55:171
15489992321,2cyclictest201rcuc/107:55:161
1549099223,11cyclictest24165-21sed09:20:012
15490992222,0cyclictest0-21swapper/209:20:182
15490992220,1cyclictest28-21ksoftirqd/212:09:492
15488992213,9cyclictest0-21swapper/008:40:180
1548899220,18cyclictest0-21swapper/012:05:220
1548899220,18cyclictest0-21swapper/008:57:250
15489992017,2cyclictest6845-21tr09:45:151
15489992017,2cyclictest4532-21H212:26:331
1548999200,5cyclictest0-21swapper/108:37:011
1548899202,17cyclictest0-21swapper/009:41:470
1548899202,16cyclictest0-21swapper/008:08:160
15488992017,2cyclictest8339-21cat08:50:150
1548899200,18cyclictest0-21swapper/010:29:050
1549099192,16cyclictest15040-21expr08:05:142
15490991917,1cyclictest28-21ksoftirqd/211:12:392
15490991917,1cyclictest0-21swapper/207:29:422
15490991914,4cyclictest31754-21wc08:35:162
15490991914,2cyclictest4538-21H212:26:332
1549099190,2cyclictest4530-21H212:26:332
1549099190,17cyclictest4538-21H212:26:332
1549099190,16cyclictest4536-21H212:26:332
1549099190,16cyclictest4532-21H212:26:332
1549099190,16cyclictest4532-21H212:26:332
1549099190,16cyclictest4530-21H212:26:332
1549099190,16cyclictest4526-21H212:26:332
1549099190,16cyclictest4523-21H212:26:332
1548999197,11cyclictest0-21swapper/112:19:061
1548999194,1cyclictest0-21swapper/109:10:411
1548999193,15cyclictest21-21ksoftirqd/110:49:481
15489991916,2cyclictest4536-21H212:26:331
15489991913,1cyclictest0-21swapper/111:34:331
1548999190,2cyclictest4536-21H212:26:331
1548999190,2cyclictest4536-21H212:26:331
1548999190,2cyclictest4532-21H212:26:331
1548999190,16cyclictest4534-21H212:26:331
1548999190,16cyclictest4530-21H212:26:331
1548999190,16cyclictest4526-21H212:26:331
1548899193,1cyclictest20933-21expr10:10:140
1548899193,15cyclictest0-21swapper/008:35:420
1548899192,16cyclictest20063-21wc12:05:010
1548899192,16cyclictest0-21swapper/008:18:000
1548899192,15cyclictest0-21swapper/009:12:230
15488991917,1cyclictest9-21ksoftirqd/012:23:470
15488991917,1cyclictest1271-21runrttasks07:31:200
15488991917,1cyclictest1271-21runrttasks07:31:200
15488991917,1cyclictest0-21swapper/007:50:010
15488991916,2cyclictest970-21dbus-daemon09:00:210
15488991916,2cyclictest16274-21ntp_kernel_pll_11:55:170
1548899190,3cyclictest13572-21nvmesmart_nvme009:55:210
1548899190,2cyclictest4538-21H212:26:330
1548899190,18cyclictest20459-21latency_hist08:15:000
1548899190,18cyclictest0-21swapper/011:19:340
1548899190,18cyclictest0-21swapper/007:42:520
1548899190,16cyclictest4534-21H212:26:330
1549099182,1cyclictest31938-21taskset07:37:072
15490991818,0cyclictest0-21swapper/207:55:172
15490991818,0cyclictest0-21swapper/207:55:172
15490991816,1cyclictest28-21ksoftirqd/210:59:262
15490991816,1cyclictest0-21swapper/211:01:582
15490991815,2cyclictest0-21swapper/208:30:072
15490991814,3cyclictest4593-21H212:26:332
15490991814,3cyclictest4532-21H212:26:332
15490991814,3cyclictest4528-21H212:26:332
15490991814,3cyclictest4528-21H212:26:332
1549099181,16cyclictest10777-21cpuspeed_turbos08:55:142
1549099180,2cyclictest4593-21H212:26:332
1549099180,2cyclictest4593-21H212:26:332
1549099180,2cyclictest4581-21H212:26:332
1549099180,2cyclictest4526-21H212:26:332
1549099180,17cyclictest4532-21H212:26:332
1549099180,16cyclictest4581-21H212:26:332
1549099180,15cyclictest4581-21H212:26:332
1548999182,2cyclictest4528-21H212:26:331
15489991816,1cyclictest0-21swapper/108:51:331
15489991816,1cyclictest0-21swapper/107:15:401
15489991814,3cyclictest7617-21cat08:50:001
1548999181,16cyclictest0-21swapper/111:58:111
1548999180,2cyclictest4538-21H212:26:331
1548999180,2cyclictest4536-21H212:26:331
1548999180,2cyclictest4526-21H212:26:331
1548999180,17cyclictest4593-21H212:26:331
1548999180,17cyclictest4593-21H212:26:331
1548999180,17cyclictest4534-21H212:26:331
1548999180,15cyclictest4593-21H212:26:331
1548999180,15cyclictest4526-21H212:26:331
1548899182,15cyclictest72302sleep008:47:130
1548899182,15cyclictest27236-21nfsd408:25:220
1548899182,15cyclictest16499-21expr09:05:140
1548899182,15cyclictest116042chrt09:53:190
1548899182,15cyclictest0-21swapper/010:45:190
1548899182,15cyclictest0-21swapper/010:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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