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2025-11-30 - 20:29
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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 792 highest latencies:
System rackdslot0.osadl.org (updated Sun Nov 30, 2025 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5343992516,9cyclictest0-21swapper/210:15:562
5343992516,9cyclictest0-21swapper/210:15:562
5338992415,5cyclictest29939-21cpuspeed_turbos08:50:141
533799230,5cyclictest0-21swapper/011:45:010
5337992214,4cyclictest0-21swapper/007:44:180
5338992120,1cyclictest21-21ksoftirqd/111:14:251
5338992112,5cyclictest0-21swapper/111:15:201
533899210,4cyclictest0-21swapper/107:27:371
5343992017,2cyclictest4523-21H212:26:332
5343992015,4cyclictest7023-21cstates09:05:142
533799204,1cyclictest0-21swapper/011:07:300
5337992014,4cyclictest18316-21munin-plugin-st08:30:010
5343991917,1cyclictest0-21swapper/211:20:152
534399190,3cyclictest4528-21H212:26:332
534399190,18cyclictest0-21swapper/209:55:162
534399190,18cyclictest0-21swapper/207:12:412
534399190,16cyclictest4534-21H212:26:332
534399190,16cyclictest4534-21H212:26:332
5338991916,2cyclictest22639-21date12:25:001
5338991916,2cyclictest18195-21nfsd407:30:201
5338991914,2cyclictest4534-21H212:26:331
533899190,16cyclictest4593-21H212:26:331
533899190,16cyclictest4581-21H212:26:331
533899190,16cyclictest4581-21H212:26:331
533899190,16cyclictest4534-21H212:26:331
533899190,16cyclictest4530-21H212:26:331
533899190,16cyclictest4523-21H212:26:331
533799194,1cyclictest0-21swapper/009:45:360
533799193,1cyclictest0-21swapper/010:15:320
533799193,1cyclictest0-21swapper/010:15:320
5337991917,1cyclictest0-21swapper/011:00:490
533799190,1cyclictest0-21swapper/011:45:260
533799190,16cyclictest4523-21H212:26:330
534399182,1cyclictest3732chrt09:50:152
534399182,15cyclictest4534-21H212:26:332
534399182,15cyclictest28-21ksoftirqd/207:36:012
5343991816,1cyclictest28-21ksoftirqd/209:27:392
5343991816,1cyclictest15825-21fschecks_time09:20:142
5343991815,2cyclictest4534-21H212:26:332
5343991814,3cyclictest4534-21H212:26:332
5343991813,3cyclictest18270-21nfsd407:30:192
534399180,3cyclictest2339-21awk10:50:202
534399180,2cyclictest4530-21H212:26:332
534399180,17cyclictest4526-21H212:26:332
534399180,16cyclictest4534-21H212:26:332
534399180,16cyclictest4528-21H212:26:332
534399180,15cyclictest4534-21H212:26:332
533899182,15cyclictest0-21swapper/110:32:311
5338991817,1cyclictest0-21swapper/108:55:241
5338991815,2cyclictest4593-21H212:26:331
5338991814,3cyclictest0-21swapper/111:45:161
5338991814,1cyclictest0-21swapper/108:41:541
533899180,3cyclictest0-21swapper/107:50:201
533899180,2cyclictest4581-21H212:26:331
533899180,2cyclictest4534-21H212:26:331
533899180,2cyclictest4532-21H212:26:331
533899180,17cyclictest4523-21H212:26:331
533899180,16cyclictest0-21swapper/112:10:001
533899180,15cyclictest4530-21H212:26:331
533899180,15cyclictest0-21swapper/108:45:191
533799183,1cyclictest9-21ksoftirqd/008:36:380
533799182,15cyclictest5872-21timerandwakeup10:55:220
5337991816,1cyclictest9-21ksoftirqd/010:05:030
5337991816,1cyclictest0-21swapper/011:21:070
5337991816,1cyclictest0-21swapper/010:02:350
5337991816,1cyclictest0-21swapper/009:44:480
5337991815,2cyclictest4532-21H212:26:330
5337991814,3cyclictest3707-21lxd11:38:490
5337991814,3cyclictest3707-21lxd11:38:490
533799181,2cyclictest4530-21H212:26:330
533799181,16cyclictest6590-21sort09:05:030
533799181,16cyclictest18558-21cat10:20:240
5337991810,4cyclictest0-21swapper/009:28:550
5337991810,4cyclictest0-21swapper/009:05:010
533799180,3cyclictest4530-21H212:26:330
533799180,3cyclictest3350-21master11:56:110
533799180,2cyclictest4532-21H212:26:330
533799180,2cyclictest4528-21H212:26:330
533799180,1cyclictest0-21swapper/009:14:440
533799180,1cyclictest0-21swapper/008:34:560
533799180,1cyclictest0-21swapper/008:34:560
533799180,17cyclictest0-21swapper/007:45:140
533799180,15cyclictest4532-21H212:26:330
534399172,1cyclictest0-21swapper/212:25:212
534399172,1cyclictest0-21swapper/208:47:012
534399172,15cyclictest28-21ksoftirqd/208:28:562
534399172,14cyclictest0-21swapper/208:20:582
5343991715,1cyclictest0-21swapper/212:00:152
5343991715,1cyclictest0-21swapper/208:32:022
5343991715,1cyclictest0-21swapper/208:32:022
5343991714,2cyclictest4593-21H212:26:332
5343991714,2cyclictest4526-21H212:26:332
5343991714,2cyclictest2049-21systemd-journal10:20:482
5343991714,2cyclictest20178-21cpuspeed_turbos12:20:132
5343991714,2cyclictest12488-21nfsd410:10:192
5343991714,2cyclictest11570-21/usr/sbin/munin12:05:122
5343991713,3cyclictest15166-21grep12:10:162
534399171,1cyclictest0-21swapper/210:25:142
534399171,15cyclictest4534-21H212:26:332
534399170,2cyclictest5405-21grep10:55:182
534399170,2cyclictest4532-21H212:26:332
534399170,2cyclictest4526-21H212:26:332
534399170,1cyclictest4536-21H212:26:332
534399170,1cyclictest0-21swapper/210:05:022
534399170,16cyclictest6838-21nfsd410:00:202
534399170,16cyclictest4864-21vmstat11:50:222
534399170,16cyclictest4536-21H212:26:332
534399170,16cyclictest4536-21H212:26:332
534399170,16cyclictest4536-21H212:26:332
534399170,16cyclictest4532-21H212:26:332
534399170,16cyclictest4532-21H212:26:332
534399170,16cyclictest4530-21H212:26:332
534399170,16cyclictest4523-21H212:26:332
534399170,16cyclictest31392-21switchtime08:50:212
534399170,16cyclictest30007-21snapd08:11:232
534399170,16cyclictest29979-21expr11:40:162
534399170,16cyclictest29125-21munin-plugin-st09:45:002
534399170,16cyclictest25423-21grep12:30:132
534399170,16cyclictest24254-21acpi08:40:132
534399170,16cyclictest22703-21expr10:30:162
534399170,16cyclictest17878-21grep12:15:162
534399170,16cyclictest16990-21chrt11:15:212
534399170,16cyclictest12352-21readlink08:20:012
534399170,15cyclictest4581-21H212:26:332
534399170,15cyclictest4581-21H212:26:332
5338991715,0cyclictest0-21swapper/110:01:361
5338991714,2cyclictest4593-21H212:26:331
5338991714,2cyclictest4581-21H212:26:331
5338991714,2cyclictest4534-21H212:26:331
5338991714,2cyclictest4530-21H212:26:331
5338991714,2cyclictest29040-21grep11:40:001
5338991714,2cyclictest29040-21grep11:40:001
5338991714,2cyclictest19997-21ntpq08:30:191
5338991714,2cyclictest19997-21ntpq08:30:191
5338991714,2cyclictest14701-21date10:15:151
5338991714,2cyclictest14701-21date10:15:151
5338991713,3cyclictest0-21swapper/107:45:011
533899171,15cyclictest12389-21chrt09:15:141
533899171,15cyclictest0-21swapper/108:15:241
533899170,2cyclictest7524-21timerwakeupswit11:55:231
533899170,2cyclictest4581-21H212:26:331
533899170,2cyclictest4532-21H212:26:331
533899170,2cyclictest4532-21H212:26:331
533899170,2cyclictest4530-21H212:26:331
533899170,2cyclictest4530-21H212:26:331
533899170,2cyclictest4530-21H212:26:331
533899170,2cyclictest30007-21snapd07:11:491
533899170,2cyclictest24203-21expr11:30:141
533899170,2cyclictest21501-21cut08:35:141
533899170,2cyclictest20969-21latency_hist09:30:011
533899170,1cyclictest4581-21H212:26:331
533899170,1cyclictest4526-21H212:26:331
533899170,16cyclictest6664-21apt-config09:05:021
533899170,16cyclictest5487-21nvmesmart_nvme010:55:191
533899170,16cyclictest4837-21netstat09:00:181
533899170,16cyclictest4534-21H212:26:331
533899170,16cyclictest4528-21H212:26:331
533899170,16cyclictest4523-21H212:26:331
533899170,16cyclictest4523-21H212:26:331
533899170,16cyclictest29688-21pzem12:35:211
533899170,16cyclictest19711-21ls10:25:151
533899170,16cyclictest16876-21threads09:20:201
533899170,16cyclictest10804-21vmstat12:00:241
533899170,15cyclictest4528-21H212:26:331
533899170,15cyclictest4523-21H212:26:331
5337991715,1cyclictest12801-21nfsd412:05:190
5337991714,2cyclictest6050-21cat08:05:220
5337991714,2cyclictest6050-21cat08:05:220
5337991714,2cyclictest5130-21cron07:14:560
5337991714,2cyclictest4526-21H212:26:330
5337991714,2cyclictest4526-21H212:26:330
5337991714,2cyclictest28581-21cupsd07:33:120
5337991714,2cyclictest25013-21cpuspeed_turbos10:35:150
5337991714,2cyclictest1402-21lxd08:11:040
5337991714,2cyclictest13173-21expr08:20:140
533799171,15cyclictest2665-21wc11:50:120
533799170,2cyclictest4536-21H212:26:330
533799170,2cyclictest4530-21H212:26:330
533799170,2cyclictest4528-21H212:26:330
533799170,2cyclictest29718-21apache_processe08:50:120
533799170,2cyclictest29174-21ntpq10:40:180
533799170,2cyclictest1863-21postgres09:51:550
533799170,2cyclictest18202-21ls12:15:180
533799170,2cyclictest12011-21if_lxdbr007:20:220
533799170,1cyclictest0-21swapper/011:16:430
533799170,16cyclictest4581-21H212:26:330
533799170,16cyclictest4534-21H212:26:330
533799170,16cyclictest4534-21H212:26:330
533799170,16cyclictest4530-21H212:26:330
533799170,16cyclictest4526-21H212:26:330
533799170,16cyclictest4523-21H212:26:330
533799170,16cyclictest414-20systemd-journal08:19:560
533799170,16cyclictest32724-21gpgv08:55:010
533799170,16cyclictest24379-21tune2fs09:35:140
533799170,16cyclictest21171-21proc_pri07:35:210
533799170,16cyclictest20674-21hddtemp_smartct12:20:150
533799170,16cyclictest14624-21smtp09:19:070
533799170,15cyclictest4534-21H212:26:330
5343991614,1cyclictest0-21swapper/209:00:152
534399160,15cyclictest21724-21http_loadtime09:30:152
534399160,15cyclictest0-21swapper/208:55:012
533899160,15cyclictest6968-21cpuspeed_turbos11:00:141
533899160,15cyclictest18328-21/usr/sbin/munin11:20:141
533899160,15cyclictest0-21swapper/110:45:151
533899160,15cyclictest0-21swapper/109:45:101
5337991614,1cyclictest0-21swapper/010:10:160
5337991613,2cyclictest10240-21ntpq12:00:190
533799160,2cyclictest24259-21apache_accesses08:40:130
533799160,15cyclictest4581-21H212:26:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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