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2026-07-12 - 07:09
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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 Jul 12, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1728499310,30cyclictest0-21swapper/120:50:131
17289992928,1cyclictest0-21swapper/222:00:172
1727799234,18cyclictest0-21swapper/019:45:200
17277992321,1cyclictest1508-21cron23:30:000
1728999210,20cyclictest843-21systemd-network22:26:512
17277992117,3cyclictest0-21swapper/022:27:260
1727799210,3cyclictest0-21swapper/019:53:080
1727799210,16cyclictest8013-21grep23:40:120
17289992018,1cyclictest0-21swapper/221:38:502
1728999200,3cyclictest3987-21H222:10:212
1728499200,19cyclictest0-21swapper/121:25:111
1727799204,15cyclictest0-21swapper/021:01:240
1728999194,1cyclictest0-21swapper/220:55:422
17289991917,1cyclictest0-21swapper/219:30:112
17289991917,1cyclictest0-21swapper/200:25:212
17289991915,3cyclictest25987-21grep22:15:192
1728999191,17cyclictest28362-21cron23:20:002
1728999190,18cyclictest843-21systemd-network19:39:172
1728999190,17cyclictest25940-21nfsd420:20:192
1728999190,16cyclictest4099-21H222:10:212
1728499190,2cyclictest3983-21H222:10:211
1728499190,1cyclictest0-21swapper/122:05:141
1728499190,1cyclictest0-21swapper/120:30:091
1728499190,16cyclictest4099-21H222:10:211
1727799194,14cyclictest0-21swapper/019:17:110
1727799192,16cyclictest29315-21if_enp1s019:30:170
1727799192,16cyclictest1412-21cat00:25:140
17277991916,2cyclictest3024-21latency23:30:150
17277991914,4cyclictest3987-21H222:10:210
17277991910,1cyclictest0-21swapper/022:05:240
1727799190,3cyclictest0-21swapper/019:26:480
1727799190,2cyclictest0-21swapper/021:25:160
1727799190,18cyclictest0-21swapper/020:52:420
1727799190,17cyclictest3235-21https22:35:020
1727799190,16cyclictest4035-21H222:10:210
1727799190,16cyclictest4035-21H222:10:210
1728999182,15cyclictest28-21ksoftirqd/200:12:162
17289991816,1cyclictest12032sleep223:26:192
17289991814,4cyclictest0-21swapper/221:50:512
17289991814,3cyclictest3989-21H222:10:212
17289991814,3cyclictest22586-21smtp19:19:382
17289991814,1cyclictest0-21swapper/221:08:382
17289991813,4cyclictest19124-21nvmesmart_nvme023:00:182
1728999180,17cyclictest9644-21grep22:45:142
1728999180,17cyclictest7006-21grep22:40:142
1728999180,17cyclictest3989-21H222:10:212
1728999180,17cyclictest3976-21H222:10:212
1728999180,17cyclictest0-21swapper/222:20:172
1728999180,16cyclictest4099-21H222:10:212
1728999180,16cyclictest3989-21H222:10:212
1728999180,16cyclictest14104-21grep21:55:192
1728999180,16cyclictest14104-21grep21:55:182
1728499183,1cyclictest21-21ksoftirqd/122:35:311
1728499182,2cyclictest28780-21expr19:30:161
1728499182,1cyclictest183912chrt23:59:491
1728499182,1cyclictest0-21swapper/100:33:071
1728499182,15cyclictest21-21ksoftirqd/120:43:461
17284991816,1cyclictest0-21swapper/123:23:091
17284991816,1cyclictest0-21swapper/122:20:401
17284991816,1cyclictest0-21swapper/119:42:481
17284991815,2cyclictest18213-21chrt22:01:281
1728499181,2cyclictest23226-21ls00:05:211
1728499181,1cyclictest3987-21H222:10:211
1728499180,2cyclictest3987-21H222:10:211
1728499180,2cyclictest0-21swapper/121:00:181
1728499180,17cyclictest15672-21cron23:55:011
1727799182,15cyclictest0-21swapper/022:40:130
17277991816,1cyclictest9-21ksoftirqd/000:32:210
17277991816,1cyclictest0-21swapper/023:05:220
17277991816,1cyclictest0-21swapper/022:15:560
17277991816,1cyclictest0-21swapper/021:12:400
17277991815,2cyclictest21948-21grep22:10:120
17277991814,3cyclictest3983-21H222:10:210
1727799181,16cyclictest24249-21munin-run20:20:010
1727799181,16cyclictest20322-21latency_hist21:10:010
1727799181,16cyclictest1035-21thermald21:15:250
1727799180,3cyclictest3954-21VM22:10:210
1727799180,3cyclictest24495-21apt-config20:20:010
1727799180,17cyclictest3987-21H222:10:210
1727799180,17cyclictest30217-21sed20:30:010
1727799180,17cyclictest0-21swapper/019:10:130
1727799180,17cyclictest0-21swapper/000:00:140
17289991714,2cyclictest903-21lxcfs00:09:052
17289991714,2cyclictest4099-21H222:10:212
17289991714,2cyclictest3987-21H222:10:212
17289991714,2cyclictest3976-21H222:10:212
17289991714,2cyclictest31295-21if_enp1s000:20:172
17289991714,2cyclictest15422-21munin-run20:05:012
17289991714,2cyclictest12804-21cat20:00:012
17289991713,2cyclictest0-21swapper/220:40:142
1728999171,15cyclictest28-21ksoftirqd/220:48:572
1728999171,15cyclictest11593-21latency23:45:172
1728999170,2cyclictest5822-21if_enp1s023:35:152
1728999170,2cyclictest478-21nfsd421:30:192
1728999170,2cyclictest4035-21H222:10:212
1728999170,2cyclictest3989-21H222:10:212
1728999170,2cyclictest3985-21H222:10:212
1728999170,2cyclictest3985-21H222:10:212
1728999170,1cyclictest0-21swapper/223:23:282
1728999170,16cyclictest5251-21apt-get21:40:112
1728999170,16cyclictest4099-21H222:10:212
1728999170,16cyclictest4035-21H222:10:212
1728999170,16cyclictest3987-21H222:10:212
1728999170,16cyclictest3983-21H222:10:212
1728999170,16cyclictest30441-21/usr/sbin/munin20:30:122
1728999170,16cyclictest3040-21taskset20:37:002
1728999170,16cyclictest20264-21awk22:05:182
1728999170,16cyclictest15990-21cut20:05:132
1728999170,16cyclictest15047-21apache_accesses21:00:112
1728999170,16cyclictest14005-21timerandwakeup22:50:222
1728999170,16cyclictest0-21swapper/222:55:192
17284991715,1cyclictest21-21ksoftirqd/100:04:351
17284991715,1cyclictest0-21swapper/100:10:131
17284991714,2cyclictest6837-21apache_processe20:45:111
17284991714,2cyclictest3983-21H222:10:211
17284991714,2cyclictest32357-21timerwakeupswit00:20:231
17284991714,2cyclictest25049-21sed21:15:261
17284991714,2cyclictest20595-21cat21:10:011
17284991714,2cyclictest18926-21nfsd423:00:171
17284991714,2cyclictest16533-21hddtemp_smartct20:05:161
17284991712,3cyclictest31405-21cpuspeed_turbos19:35:131
1728499171,1cyclictest0-21swapper/123:40:001
1728499170,2cyclictest6817-21/usr/sbin/munin19:45:231
1728499170,2cyclictest6775-21apache_accesses22:40:121
1728499170,2cyclictest4035-21H222:10:211
1728499170,2cyclictest3987-21H222:10:211
1728499170,2cyclictest3985-21H222:10:211
1728499170,2cyclictest3985-21H222:10:211
1728499170,2cyclictest2079-21cut00:25:181
1728499170,2cyclictest2069-21systemd-udevd19:50:531
1728499170,2cyclictest1-21systemd20:56:521
1728499170,16cyclictest3976-21H222:10:211
1728499170,16cyclictest32348-21idleruntime21:30:161
1728499170,16cyclictest27543-21ntp_states21:20:191
1728499170,16cyclictest22632-21chrt23:08:311
1728499170,16cyclictest21443-21apache_volume20:15:111
1728499170,16cyclictest1957-21apache_volume23:30:111
1728499170,16cyclictest16018-21memory22:55:181
1728499170,16cyclictest13080-21apache_accesses20:00:121
1728499170,16cyclictest0-21swapper/123:10:131
17277991715,1cyclictest0-21swapper/023:55:140
17277991714,2cyclictest7107-21expr00:35:150
17277991714,2cyclictest3985-21H222:10:210
17277991714,2cyclictest31233-21apache_accesses19:35:120
1727799171,15cyclictest0-21swapper/021:30:180
1727799170,3cyclictest0-21swapper/023:47:260
1727799170,2cyclictest3807-21grep22:35:130
1727799170,2cyclictest31369-21awk00:20:160
1727799170,2cyclictest28508-21awk22:20:170
1727799170,2cyclictest27037-21cat21:20:170
1727799170,2cyclictest26569-21ls23:15:160
1727799170,2cyclictest22066-21cstates00:05:130
1727799170,2cyclictest18474-21idleruntime23:00:130
1727799170,2cyclictest1526-21lxd20:36:490
1727799170,2cyclictest14678-21/usr/sbin/munin20:00:210
1727799170,2cyclictest1348-21lxd20:44:490
1727799170,2cyclictest11039-21expr21:50:130
1727799170,16cyclictest5716-21/usr/sbin/munin23:35:160
1727799170,16cyclictest4035-21H222:10:210
1727799170,16cyclictest3976-21H222:10:210
1727799170,16cyclictest28811-21apache_accesses23:20:110
1727799170,16cyclictest24752-21cut00:10:140
1727799170,16cyclictest23334-21apache_accesses23:10:100
1727799170,16cyclictest18998-21expr20:10:120
1727799170,16cyclictest16434-21wc22:00:140
1727799170,16cyclictest16062-21cut20:05:130
1727799170,16cyclictest14980-21dpkg22:55:130
1727799170,16cyclictest10393-21awk22:45:180
17289991614,1cyclictest0-21swapper/223:40:112
17289991614,1cyclictest0-21swapper/223:30:122
17289991614,1cyclictest0-21swapper/219:50:112
17289991614,1cyclictest0-21swapper/219:40:192
1728999160,15cyclictest7371-21fschecks_time00:35:172
1728999160,15cyclictest6283-21ntp_states19:45:202
1728999160,15cyclictest4622-21idleruntime22:35:162
1728999160,15cyclictest27891-21cpuspeed_turbos00:15:132
1728999160,15cyclictest17898-21cat19:10:142
1728999160,15cyclictest0-21swapper/221:45:142
1728999160,15cyclictest0-21swapper/200:00:142
17284991614,1cyclictest27605-21expr20:25:161
17284991614,1cyclictest0-21swapper/121:40:161
17284991614,1cyclictest0-21swapper/119:20:171
17284991614,1cyclictest0-21swapper/119:20:161
17284991614,1cyclictest0-21swapper/100:35:151
17284991613,2cyclictest3983-21H222:10:211
17284991613,2cyclictest25396-21if_eno120:20:171
17284991613,2cyclictest10743-21sort23:45:131
17284991612,3cyclictest2007-21systemd-journal21:50:131
1728499160,2cyclictest20917-21cstates21:10:131
1728499160,15cyclictest4035-21H222:10:211
1728499160,15cyclictest3976-21H222:10:211
1728499160,15cyclictest25998-21cpuspeed_turbos19:25:151
1728499160,15cyclictest0-21swapper/123:40:121
1728499160,15cyclictest0-21swapper/123:25:101
1728499160,15cyclictest0-21swapper/122:25:161
1728499160,15cyclictest0-21swapper/122:15:141
1728499160,15cyclictest0-21swapper/121:35:111
1728499160,15cyclictest0-21swapper/119:15:231
17277991614,1cyclictest0-21swapper/021:40:140
17277991614,1cyclictest0-21swapper/020:45:140
1727799160,15cyclictest23846-21idleruntime19:20:170
1727799160,15cyclictest23846-21idleruntime19:20:170
1727799160,15cyclictest0-21swapper/020:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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