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2026-09-22 - 21:45
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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 Tue Sep 22, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
579599340,1cyclictest0-21swapper/009:45:140
5802992624,0cyclictest0-21swapper/109:45:141
580299230,5cyclictest0-21swapper/111:07:361
580299220,18cyclictest0-21swapper/109:40:151
579599220,18cyclictest0-21swapper/012:18:470
579599220,18cyclictest0-21swapper/009:38:450
5806992120,0cyclictest0-21swapper/209:15:172
5795992118,2cyclictest4188-21timerandwakeup08:00:220
5806992018,1cyclictest28-21ksoftirqd/211:35:132
5806992017,2cyclictest28686-21cpuspeed_turbos07:50:142
580699200,18cyclictest3991-21H222:10:212
5802992018,1cyclictest21-21ksoftirqd/108:41:161
579599203,2cyclictest880-21rs:main0
579599200,16cyclictest0-21swapper/010:35:020
5806991919,0cyclictest0-21swapper/210:55:142
580699190,2cyclictest3976-21H222:10:212
580699190,17cyclictest3979-21H222:10:212
580699190,16cyclictest3987-21H222:10:212
580699190,16cyclictest3983-21H222:10:212
580699190,16cyclictest3979-21H222:10:212
580699190,16cyclictest3979-21H222:10:212
580699190,16cyclictest3976-21H222:10:212
580699190,16cyclictest3976-21H222:10:212
580299192,16cyclictest23756-21nfsd410:30:221
5802991917,1cyclictest0-21swapper/112:00:221
5802991916,2cyclictest24249-21switchtime12:25:201
5802991916,2cyclictest23089-21/usr/sbin/munin07:40:121
580299190,18cyclictest3983-21H222:10:211
580299190,16cyclictest4099-21H222:10:211
579599194,1cyclictest0-21swapper/010:04:170
579599192,2cyclictest15844-21processes10:15:210
579599192,1cyclictest0-21swapper/009:08:120
579599192,16cyclictest0-21swapper/008:25:170
5795991917,1cyclictest9-21ksoftirqd/012:36:570
5795991916,2cyclictest2911-21date09:55:010
5795991914,3cyclictest3985-21H222:10:210
579599190,2cyclictest3983-21H222:10:210
579599190,2cyclictest3981-21H222:10:210
579599190,1cyclictest0-21swapper/012:00:200
579599190,18cyclictest0-21swapper/008:31:490
579599190,16cyclictest3983-21H222:10:210
579599190,16cyclictest3981-21H222:10:210
579599190,16cyclictest3979-21H222:10:210
579599190,15cyclictest0-21swapper/008:38:060
580699183,1cyclictest0-21swapper/212:23:572
5806991816,1cyclictest28-21ksoftirqd/211:19:172
5806991815,2cyclictest3987-21H222:10:212
5806991815,2cyclictest3987-21H222:10:212
5806991815,2cyclictest3985-21H222:10:212
5806991815,2cyclictest3979-21H222:10:212
5806991815,2cyclictest16153-21timerwakeupswit07:25:222
5806991814,3cyclictest4035-21H222:10:212
5806991814,3cyclictest3976-21H222:10:212
5806991813,2cyclictest3981-21H222:10:212
5806991813,1cyclictest0-21swapper/210:16:512
580699181,1cyclictest0-21swapper/210:53:312
580699180,2cyclictest3987-21H222:10:212
580699180,2cyclictest3979-21H222:10:212
580699180,2cyclictest3979-21H222:10:212
580699180,17cyclictest4035-21H222:10:212
580699180,17cyclictest3989-21H222:10:212
580699180,17cyclictest3976-21H222:10:212
580699180,17cyclictest13931-21awk10:15:002
580699180,17cyclictest0-21swapper/209:53:062
580699180,15cyclictest3989-21H222:10:212
580699180,15cyclictest3985-21H222:10:212
580299182,15cyclictest6805-21fw_packets07:10:151
5802991816,1cyclictest21-21ksoftirqd/109:26:391
5802991816,1cyclictest21-21ksoftirqd/109:22:471
5802991816,1cyclictest0-21swapper/112:06:151
5802991816,1cyclictest0-21swapper/110:40:371
5802991815,2cyclictest0-21swapper/109:50:171
5802991813,2cyclictest3991-21H222:10:211
580299180,3cyclictest1829-21systemd-journal09:08:531
580299180,2cyclictest3987-21H222:10:211
580299180,17cyclictest3987-21H222:10:211
580299180,17cyclictest3987-21H222:10:211
580299180,17cyclictest3414-21master09:00:131
580299180,15cyclictest3981-21H222:10:211
580299180,15cyclictest3979-21H222:10:211
579599182,2cyclictest7032-21date11:00:010
579599182,1cyclictest0-21swapper/011:50:190
579599182,1cyclictest0-21swapper/010:50:170
579599182,15cyclictest0-21swapper/009:13:540
579599182,15cyclictest0-21swapper/008:50:550
5795991816,1cyclictest0-21swapper/011:23:290
5795991816,1cyclictest0-21swapper/007:28:030
579599180,4cyclictest29845-21switchtime10:40:180
579599180,2cyclictest4099-21H222:10:210
579599180,2cyclictest3991-21H222:10:210
579599180,2cyclictest3987-21H222:10:210
579599180,2cyclictest3979-21H222:10:210
579599180,2cyclictest3976-21H222:10:210
579599180,1cyclictest0-21swapper/010:21:540
579599180,1cyclictest0-21swapper/010:21:540
579599180,1cyclictest0-21swapper/008:22:430
579599180,17cyclictest1516-21lxd09:00:430
579599180,15cyclictest3983-21H222:10:210
580699172,1cyclictest0-21swapper/208:30:232
5806991715,1cyclictest0-21swapper/209:30:182
5806991715,1cyclictest0-21swapper/207:45:172
5806991715,1cyclictest0-21swapper/207:30:162
5806991714,2cyclictest8083-21chrt07:10:502
5806991714,2cyclictest3991-21H222:10:212
5806991714,2cyclictest23990-21apt-config09:35:012
5806991714,2cyclictest23584-21proc_pri08:35:202
5806991714,2cyclictest21650-21timerwakeupswit10:25:212
5806991714,2cyclictest12659-21netstat12:05:182
5806991714,2cyclictest12016-21cstates07:20:142
5806991713,3cyclictest3976-21H222:10:212
580699171,15cyclictest3989-21H222:10:212
580699171,15cyclictest15919-21mailstats12:10:212
580699170,2cyclictest4035-21H222:10:212
580699170,2cyclictest4035-21H222:10:212
580699170,2cyclictest3793-21nvmesmart_nvme008:00:212
580699170,2cyclictest15779-21cpuspeed_turbos09:20:152
580699170,16cyclictest7201-21nfsd411:55:172
580699170,16cyclictest5537-21ls09:00:182
580699170,16cyclictest3991-21H222:10:212
580699170,16cyclictest3989-21H222:10:212
580699170,16cyclictest3987-21H222:10:212
580699170,16cyclictest3981-21H222:10:212
580699170,16cyclictest3976-21H222:10:212
580699170,16cyclictest31297-21pzem_current11:40:202
580699170,16cyclictest31026-21nfsd409:45:202
580699170,16cyclictest1526-21lxd08:50:432
580699170,15cyclictest3985-21H222:10:212
580699170,15cyclictest3450-21gsd-color10:41:072
580699170,15cyclictest0-21swapper/211:02:352
5802991715,1cyclictest0-21swapper/110:05:151
5802991715,1cyclictest0-21swapper/107:15:171
5802991714,2cyclictest4035-21H222:10:211
5802991714,2cyclictest4035-21H222:10:211
5802991714,2cyclictest3991-21H222:10:211
5802991714,2cyclictest3987-21H222:10:211
5802991714,2cyclictest3983-21H222:10:211
5802991714,2cyclictest3979-21H222:10:211
5802991714,2cyclictest3979-21H222:10:211
5802991714,2cyclictest3976-21H222:10:211
5802991714,2cyclictest32514-21apache_accesses11:45:121
5802991714,2cyclictest2413-21cat10:50:211
5802991714,2cyclictest16847-21cpuspeed_turbos08:25:141
5802991714,2cyclictest14602-21ls10:15:141
580299171,15cyclictest0-21swapper/111:30:381
580299170,3cyclictest32312-21nvmesmart_nvme010:45:191
580299170,2cyclictest4099-21H222:10:211
580299170,2cyclictest4099-21H222:10:211
580299170,2cyclictest4099-21H222:10:211
580299170,2cyclictest4099-21H222:10:211
580299170,2cyclictest4035-21H222:10:211
580299170,2cyclictest3989-21H222:10:211
580299170,2cyclictest3983-21H222:10:211
580299170,2cyclictest3983-21H222:10:211
580299170,2cyclictest3983-21H222:10:211
580299170,2cyclictest3976-21H222:10:211
580299170,2cyclictest3976-21H222:10:211
580299170,2cyclictest22166-21nfsd411:25:181
580299170,2cyclictest14499-21snapd12:22:571
580299170,1cyclictest3991-21H222:10:211
580299170,1cyclictest3985-21H222:10:211
580299170,16cyclictest7327-21grep10:00:181
580299170,16cyclictest4035-21H222:10:211
580299170,16cyclictest4035-21H222:10:211
580299170,16cyclictest3991-21H222:10:211
580299170,16cyclictest3983-21H222:10:211
580299170,16cyclictest3983-21H222:10:211
580299170,16cyclictest3981-21H222:10:211
580299170,16cyclictest3976-21H222:10:211
580299170,16cyclictest28411-21cat12:35:131
580299170,16cyclictest14495-21snapd09:57:591
580299170,16cyclictest12928-21cron08:17:001
5795991714,2cyclictest9309-21awk08:10:210
5795991714,2cyclictest9309-21awk08:10:200
5795991714,2cyclictest8959-21ls10:05:140
5795991714,2cyclictest3989-21H222:10:210
5795991714,2cyclictest3987-21H222:10:210
5795991714,2cyclictest3985-21H222:10:210
5795991714,2cyclictest3985-21H222:10:210
5795991714,2cyclictest3985-21H222:10:210
5795991714,2cyclictest18248-21grep07:30:180
5795991714,2cyclictest11737-21cpuspeed_turbos10:10:160
5795991713,3cyclictest3985-21H222:10:210
579599170,2cyclictest4099-21H222:10:210
579599170,2cyclictest3991-21H222:10:210
579599170,2cyclictest3991-21H222:10:210
579599170,2cyclictest11564-21perl08:15:150
579599170,1cyclictest0-21swapper/008:47:260
579599170,16cyclictest4099-21H222:10:210
579599170,16cyclictest3991-21H222:10:210
579599170,16cyclictest3985-21H222:10:210
579599170,16cyclictest3983-21H222:10:210
579599170,16cyclictest3979-21H222:10:210
579599170,16cyclictest29180-21/usr/sbin/munin07:50:150
579599170,16cyclictest23255-21grep07:40:120
579599170,16cyclictest14500-21snapd12:31:570
579599170,16cyclictest1410-21grep08:55:140
579599170,16cyclictest1035-21thermald08:00:010
580699160,2cyclictest3006-21/usr/sbin/munin11:50:232
580699160,15cyclictest32753-21expr11:45:142
5802991614,1cyclictest0-21swapper/108:50:151
580299161,1cyclictest0-21swapper/107:35:171
579599160,15cyclictest8830-21/usr/sbin/munin07:15:130
579599160,15cyclictest0-21swapper/011:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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