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2025-12-07 - 20:43
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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 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
15488991816,1cyclictest9-21ksoftirqd/012:11:040
15488991816,1cyclictest0-21swapper/009:15:040
15488991815,2cyclictest5919-21cat10:40:160
15488991815,2cyclictest25186-21timerwakeupswit08:20:260
15488991814,3cyclictest414-20systemd-journal10:39:550
1548899181,2cyclictest28051-21cat09:25:160
1548899181,16cyclictest7660-21sessionclean12:39:000
1548899181,16cyclictest0-21swapper/007:11:170
1548899180,2cyclictest4536-21H212:26:330
1548899180,2cyclictest4536-21H212:26:330
1548899180,2cyclictest4532-21H212:26:330
1548899180,1cyclictest0-21swapper/011:00:140
1548899180,17cyclictest4593-21H212:26:330
1548899180,17cyclictest4581-21H212:26:330
1548899180,17cyclictest19804-21grep07:15:200
1548899180,16cyclictest4593-21H212:26:330
1548899180,16cyclictest4593-21H212:26:330
1548899180,16cyclictest0-21swapper/011:25:010
15490991715,1cyclictest4538-21H212:26:332
15490991714,2cyclictest4534-21H212:26:332
15490991714,2cyclictest4532-21H212:26:332
15490991714,2cyclictest4530-21H212:26:332
15490991714,2cyclictest4530-21H212:26:332
15490991714,2cyclictest19755-21nfsd407:15:192
15490991714,2cyclictest16259-21expr07:10:142
15490991714,1cyclictest4593-21H212:26:332
1549099171,1cyclictest0-21swapper/209:25:242
1549099171,15cyclictest4581-21H212:26:332
1549099170,2cyclictest4530-21H212:26:332
1549099170,2cyclictest4452-21http_loadtime11:35:162
1549099170,2cyclictest26207-21ntp_kernel_pll_11:15:192
1549099170,2cyclictest1234-21ls12:25:232
1549099170,16cyclictest9264-21ntpq10:45:192
1549099170,16cyclictest5120-21/usr/sbin/munin10:40:222
1549099170,16cyclictest4532-21H212:26:332
1549099170,16cyclictest4532-21H212:26:332
1549099170,16cyclictest4526-21H212:26:332
1549099170,16cyclictest24473-21nfsd410:15:172
1549099170,16cyclictest24284-21latency12:10:162
1549099170,16cyclictest2416-21switchtime09:35:222
1549099170,16cyclictest22714-21ntp_offset07:20:212
1549099170,16cyclictest18660-21latency10:05:192
1549099170,16cyclictest10610-21needreboot09:50:192
1549099170,15cyclictest4534-21H212:26:332
15489991715,1cyclictest23230-21/usr/sbin/munin10:15:131
15489991714,2cyclictest4593-21H212:26:331
15489991714,2cyclictest4593-21H212:26:331
15489991714,2cyclictest4581-21H212:26:331
15489991714,2cyclictest4538-21H212:26:331
15489991714,2cyclictest4538-21H212:26:331
15489991714,2cyclictest24482-21nfsd412:10:171
15489991714,2cyclictest13767-21awk08:00:221
15489991713,3cyclictest4536-21H212:26:331
1548999171,15cyclictest4523-21H212:26:331
1548999171,15cyclictest29823-21/usr/sbin/munin07:35:181
1548999171,15cyclictest0-21swapper/110:50:151
1548999170,2cyclictest4593-21H212:26:331
1548999170,2cyclictest4593-21H212:26:331
1548999170,2cyclictest4538-21H212:26:331
1548999170,2cyclictest4536-21H212:26:331
1548999170,2cyclictest4536-21H212:26:331
1548999170,2cyclictest4523-21H212:26:331
1548999170,2cyclictest4523-21H212:26:331
1548999170,2cyclictest4523-21H212:26:331
1548999170,2cyclictest22446-21cat07:20:191
1548999170,2cyclictest1405-21lxd12:06:491
1548999170,2cyclictest1059-21cups-browsed09:35:211
1548999170,1cyclictest4526-21H212:26:331
1548999170,16cyclictest4581-21H212:26:331
1548999170,16cyclictest4534-21H212:26:331
1548999170,16cyclictest4532-21H212:26:331
1548999170,16cyclictest4532-21H212:26:331
1548999170,16cyclictest30007-21snapd10:24:191
1548999170,16cyclictest0-21swapper/108:55:181
1548999170,15cyclictest4581-21H212:26:331
1548999170,15cyclictest4538-21H212:26:331
1548999170,15cyclictest0-21swapper/109:50:181
1548899179,7cyclictest893-21systemd-logind10:05:070
1548899172,1cyclictest0-21swapper/007:25:170
15488991715,1cyclictest30161-21sh08:30:180
15488991714,2cyclictest6709-21postgres11:40:110
15488991714,2cyclictest32055-21expr10:30:120
1548899170,2cyclictest31133-21if_enp1s011:25:180
1548899170,2cyclictest2296-21find12:30:100
1548899170,2cyclictest0-21swapper/011:10:150
1548899170,1cyclictest0-21swapper/009:30:210
1548899170,16cyclictest7365-21fschecks_count09:45:170
1548899170,16cyclictest683-21awk11:30:140
1548899170,16cyclictest637-21/usr/sbin/munin09:35:130
1548899170,16cyclictest4523-21H212:26:330
1548899170,16cyclictest29992-21grep07:35:150
1548899170,16cyclictest23680-21expr10:15:120
1548899170,16cyclictest19821-21cut11:05:160
1548899170,16cyclictest15291-21sshd10:55:380
1548899170,16cyclictest12471-21expr11:50:150
1548899170,16cyclictest11933-21nfsd410:50:270
15490991614,1cyclictest0-21swapper/210:00:162
1549099160,15cyclictest4538-21H212:26:332
1549099160,15cyclictest3833-21switchtime10:35:242
15489991614,1cyclictest9451-21dpkg11:45:121
15489991613,2cyclictest4593-21H212:26:331
15489991613,2cyclictest27745-21cpuspeed_turbos09:25:141
1548999160,1cyclictest0-21swapper/107:30:231
1548999160,1cyclictest0-21swapper/107:30:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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