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2025-11-27 - 16:31
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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 Thu Nov 27, 2025 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16776992711,15cyclictest29163-21mii-tool07:30:150
16776992522,2cyclictest24970-21mii-tool11:10:150
1677899230,5cyclictest0-21swapper/210:26:372
1677699230,22cyclictest0-21swapper/010:26:580
1677699220,18cyclictest0-21swapper/007:10:190
1677899210,20cyclictest0-21swapper/209:13:322
1677799204,15cyclictest0-21swapper/109:05:291
1677799200,19cyclictest823-21systemd-network11:25:071
1677699206,13cyclictest0-21swapper/009:48:460
1677699202,3cyclictest0-21swapper/009:30:190
16776992017,2cyclictest4581-21H212:26:330
16778991916,2cyclictest11762-21expr11:45:152
16778991915,1cyclictest0-21swapper/209:30:172
16778991914,2cyclictest4526-21H212:26:332
1677899190,17cyclictest4523-21H212:26:332
1677899190,16cyclictest4526-21H212:26:332
1677899190,16cyclictest4523-21H212:26:332
16777991917,1cyclictest0-21swapper/107:38:561
1677799190,2cyclictest4581-21H212:26:331
1677799190,16cyclictest4530-21H212:26:331
1677699194,1cyclictest0-21swapper/007:23:340
1677699192,2cyclictest9312-21sort10:45:010
1677699192,2cyclictest8569-21sed11:40:010
16776991917,1cyclictest9-21ksoftirqd/011:08:590
1677699190,3cyclictest0-21swapper/010:45:150
1677699190,2cyclictest21756-21latency_hist10:10:000
1677699190,1cyclictest0-21swapper/011:46:110
1677699190,18cyclictest414-20systemd-journal10:00:010
1677699190,16cyclictest4526-21H212:26:330
1677899182,15cyclictest31158-21idleruntime08:30:152
1677899182,15cyclictest29657-21dpkg11:20:132
1677899182,15cyclictest28-21ksoftirqd/207:38:322
16778991816,1cyclictest12586-21processes09:50:202
16778991816,1cyclictest12586-21processes09:50:192
16778991815,2cyclictest4528-21H212:26:332
16778991814,3cyclictest4528-21H212:26:332
16778991814,3cyclictest0-21swapper/210:13:472
1677899181,2cyclictest25663-21processes11:10:182
1677899181,16cyclictest17781-21smtpd08:05:262
1677899181,16cyclictest17781-21smtpd08:05:252
1677899181,16cyclictest17692-21sh09:05:002
1677899180,15cyclictest4530-21H212:26:332
1677799182,1cyclictest0-21swapper/108:20:161
1677799182,15cyclictest0-21swapper/111:51:581
16777991816,1cyclictest0-21swapper/112:25:141
16777991816,1cyclictest0-21swapper/107:25:341
16777991814,2cyclictest4528-21H212:26:331
16777991814,2cyclictest4528-21H212:26:331
16777991814,2cyclictest4526-21H212:26:331
1677799181,2cyclictest970-21dbus-daemon12:20:001
1677799181,2cyclictest5003-21cat12:30:141
1677799181,1cyclictest0-21swapper/110:55:181
1677799180,3cyclictest4528-21H212:26:331
1677799180,2cyclictest4593-21H212:26:331
1677799180,2cyclictest4532-21H212:26:331
1677799180,2cyclictest4530-21H212:26:331
1677799180,2cyclictest4530-21H212:26:331
1677799180,17cyclictest4532-21H212:26:331
1677799180,17cyclictest4523-21H212:26:331
1677799180,16cyclictest4530-21H212:26:331
1677699182,1cyclictest0-21swapper/011:20:210
1677699182,15cyclictest4532-21H212:26:330
16776991816,1cyclictest9-21ksoftirqd/009:41:240
16776991814,3cyclictest1405-21lxd10:35:060
1677699181,2cyclictest12347-21awk09:50:180
1677699181,2cyclictest12347-21awk09:50:180
1677699181,16cyclictest0-21swapper/010:00:120
1677699180,3cyclictest25141-21sed12:10:000
1677699180,2cyclictest4538-21H212:26:330
1677699180,2cyclictest4528-21H212:26:330
1677699180,2cyclictest4526-21H212:26:330
1677699180,17cyclictest4528-21H212:26:330
1677699180,15cyclictest4534-21H212:26:330
1677699180,15cyclictest4534-21H212:26:330
16778991715,1cyclictest30130-21timerandwakeup07:30:222
16778991715,1cyclictest0-21swapper/209:48:082
16778991715,1cyclictest0-21swapper/209:44:132
16778991715,1cyclictest0-21swapper/208:02:262
16778991714,2cyclictest25098-21cut10:15:142
16778991714,2cyclictest1405-21lxd10:03:062
1677899171,15cyclictest18958-21timerwakeupswit07:10:232
1677899170,2cyclictest4538-21H212:26:332
1677899170,2cyclictest4534-21H212:26:332
1677899170,2cyclictest4528-21H212:26:332
1677899170,2cyclictest4244-21dpkg08:40:022
1677899170,2cyclictest3282-21pzem_power12:25:182
1677899170,2cyclictest2919-21grep11:30:142
1677899170,2cyclictest28614-21chrt09:22:322
1677899170,2cyclictest28481-21cat08:25:142
1677899170,2cyclictest26973-21nfsd412:10:192
1677899170,2cyclictest2495-21switchtime08:35:202
1677899170,2cyclictest24678-21find12:09:002
1677899170,2cyclictest22967-21netstat08:15:192
1677899170,2cyclictest18344-21ntp_states11:55:182
1677899170,2cyclictest14643-21cat11:50:132
1677899170,2cyclictest11135-21nfsd408:50:202
1677899170,16cyclictest4675-21/usr/sbin/munin12:30:182
1677899170,16cyclictest4593-21H212:26:332
1677899170,16cyclictest4528-21H212:26:332
1677899170,16cyclictest4523-21H212:26:332
1677899170,16cyclictest4010-21cpuspeed_turbos10:35:132
1677899170,16cyclictest3350-21master08:55:172
1677899170,16cyclictest25771-21proxymap09:16:292
1677899170,16cyclictest25501-21munin-run07:25:012
1677899170,16cyclictest21887-21fschecks_count11:05:152
1677899170,16cyclictest19268-21/usr/sbin/munin10:05:132
1677899170,16cyclictest0-21swapper/208:47:532
1677899170,15cyclictest0-21swapper/211:40:162
1677799179,4cyclictest0-21swapper/107:54:421
16777991714,2cyclictest4534-21H212:26:331
16777991714,2cyclictest30723-21expr08:30:131
16777991714,2cyclictest26458-21sendmail_mailqu10:15:231
16777991714,2cyclictest22760-21df10:10:161
16777991714,2cyclictest2219-21ntp_states10:30:191
16777991714,2cyclictest21228-21expr09:10:131
16777991714,2cyclictest19879-21df10:05:151
16777991714,2cyclictest18805-21cat11:00:151
16777991714,2cyclictest12765-21sort09:50:221
16777991714,2cyclictest12765-21sort09:50:211
16777991714,2cyclictest12309-21switchtime07:55:201
16777991713,3cyclictest23838-21cron08:17:001
1677799171,15cyclictest0-21swapper/112:36:501
1677799171,15cyclictest0-21swapper/112:05:121
1677799170,2cyclictest5345-21fschecks_count07:45:151
1677799170,2cyclictest4530-21H212:26:331
1677799170,2cyclictest23171-21fschecks_count07:20:151
1677799170,2cyclictest15211-21nvmesmart_nvme009:55:181
1677799170,2cyclictest11495-21/usr/sbin/munin11:45:121
1677799170,16cyclictest9364-21fschecks_count11:40:141
1677799170,16cyclictest7082-21nfsd411:35:181
1677799170,16cyclictest4538-21H212:26:331
1677799170,16cyclictest4528-21H212:26:331
1677799170,16cyclictest4526-21H212:26:331
1677799170,16cyclictest4173-21apt-key08:40:021
1677799170,16cyclictest16552-21apache_processe10:00:111
1677799170,16cyclictest15759-21cron08:05:001
1677799170,16cyclictest10381-21expr08:50:151
1677799170,16cyclictest0-21swapper/108:36:071
1677799170,15cyclictest4526-21H212:26:331
16776991715,1cyclictest0-21swapper/012:17:520
16776991714,2cyclictest4523-21H212:26:330
16776991714,2cyclictest22111-21munin-run12:05:010
1677699171,1cyclictest0-21swapper/007:55:140
1677699170,2cyclictest7296-21snapd12:34:300
1677699170,2cyclictest3964-21uname11:30:160
1677699170,2cyclictest27086-21df09:20:160
1677699170,2cyclictest26824-21cron08:25:040
1677699170,2cyclictest25517-21fschecks_count10:15:160
1677699170,2cyclictest23109-21nfsd408:15:180
1677699170,2cyclictest19430-21expr08:10:130
1677699170,2cyclictest13279-21uniq08:55:140
1677699170,16cyclictest9070-21pzem_voltage07:50:230
1677699170,16cyclictest4534-21H212:26:330
1677699170,16cyclictest4532-21H212:26:330
1677699170,16cyclictest4528-21H212:26:330
1677699170,16cyclictest4249-21munin-run07:45:010
1677699170,16cyclictest4249-21munin-run07:45:000
1677699170,16cyclictest29995-21snapd09:19:180
1677699170,16cyclictest27120-21gpgv08:25:000
1677699170,16cyclictest21643-21cut09:10:140
1677699170,16cyclictest16518-21expr08:05:140
1677699170,16cyclictest16518-21expr08:05:130
1677699170,16cyclictest13857-21grep10:50:160
1677699170,15cyclictest0-21swapper/011:55:170
16778991614,1cyclictest0-21swapper/209:35:242
16778991614,1cyclictest0-21swapper/209:05:112
16778991614,1cyclictest0-21swapper/208:20:162
16778991614,1cyclictest0-21swapper/207:45:022
16778991614,1cyclictest0-21swapper/207:15:152
16778991614,1cyclictest0-21swapper/207:15:142
1677899160,2cyclictest27931-21munin-run07:30:022
1677899160,15cyclictest10493-21appstreamcli07:55:022
1677899160,15cyclictest0-21swapper/210:20:222
1677899160,15cyclictest0-21swapper/209:55:152
1677899160,15cyclictest0-21swapper/209:29:062
1677899160,15cyclictest0-21swapper/208:10:152
1677899160,15cyclictest0-21swapper/207:50:202
1677899160,15cyclictest0-21swapper/207:45:132
16777991614,1cyclictest0-21swapper/109:30:141
16777991614,1cyclictest0-21swapper/109:20:161
16777991614,1cyclictest0-21swapper/109:00:171
16777991614,1cyclictest0-21swapper/107:30:141
1677799160,15cyclictest9888-21pzem_voltage09:45:201
1677799160,15cyclictest4534-21H212:26:331
1677799160,15cyclictest29241-21dpkg09:25:121
1677799160,15cyclictest27496-21dpkg08:25:021
1677799160,15cyclictest1661-21/usr/sbin/munin07:40:181
1677799160,15cyclictest1661-21/usr/sbin/munin07:40:181
1677799160,15cyclictest0-21swapper/109:40:141
1677799160,15cyclictest0-21swapper/109:35:121
1677799160,15cyclictest0-21swapper/108:45:171
1677799160,15cyclictest0-21swapper/108:10:141
1677799160,15cyclictest0-21swapper/107:15:181
1677799160,15cyclictest0-21swapper/107:15:181
16776991614,1cyclictest387-21sed07:35:220
16776991614,1cyclictest0-21swapper/009:25:080
16776991614,1cyclictest0-21swapper/009:05:130
16776991614,1cyclictest0-21swapper/008:30:140
16776991614,1cyclictest0-21swapper/007:45:130
16776991613,1cyclictest0-21swapper/008:50:190
1677699160,1cyclictest15355-21/usr/sbin/munin08:00:190
1677699160,1cyclictest0-21swapper/012:20:170
1677699160,15cyclictest20098-21expr07:15:150
1677699160,15cyclictest20098-21expr07:15:140
1677699160,15cyclictest15514-21expr09:00:130
1677699160,15cyclictest0-21swapper/010:30:120
1677699160,15cyclictest0-21swapper/008:45:250
1677699160,15cyclictest0-21swapper/007:25:120
16778991513,1cyclictest0-21swapper/207:40:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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