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2026-01-08 - 14:35
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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 Jan 08, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26656992423,1cyclictest0-21swapper/223:55:122
2665599232,2cyclictest4244-21grep21:20:141
2665599232,16cyclictest12496-21chrt22:30:411
2665599230,2cyclictest455-21plymouthd20:40:191
2665599230,2cyclictest455-21plymouthd20:40:181
2665599230,17cyclictest0-21swapper/121:33:581
2665599230,16cyclictest28652-21apt-config00:00:051
2665599223,13cyclictest0-21swapper/122:20:181
26655992217,4cyclictest3987-21H222:10:211
2665599221,15cyclictest155162sleep100:32:371
26655992210,8cyclictest1181-21chrt00:07:321
2665599220,2cyclictest22476-21apache_volume20:00:131
2665599220,1cyclictest0-21swapper/123:25:161
2665599220,1cyclictest0-21swapper/122:05:201
2665599220,16cyclictest8514-21cron23:25:001
2665599220,15cyclictest0-21swapper/100:10:171
2665599215,9cyclictest0-21swapper/120:05:181
26655992114,6cyclictest0-21swapper/122:46:201
26655992114,6cyclictest0-21swapper/119:30:141
26655992112,8cyclictest843-21systemd-network00:22:291
2665599210,3cyclictest22344-21perf23:50:001
2665599210,2cyclictest775-21expr23:10:141
2665599210,20cyclictest6246-21processes20:25:201
2665599210,20cyclictest25862-21cat22:00:131
2665599210,20cyclictest0-21swapper/121:05:141
2665599210,1cyclictest15096-21smartctl23:35:171
2665599210,1cyclictest0-21swapper/123:55:141
2665599210,1cyclictest0-21swapper/121:50:001
2665599210,19cyclictest0-21swapper/121:52:491
2665599210,16cyclictest19283-21taskset23:40:551
2665599210,15cyclictest30457-21idleruntime19:15:161
2665599210,15cyclictest0-21swapper/121:55:141
2665599210,15cyclictest0-21swapper/119:20:201
2665599210,15cyclictest0-21swapper/119:20:191
26655992015,4cyclictest21487-21tr20:55:141
26655992015,4cyclictest0-21swapper/119:50:141
26655992014,5cyclictest0-21swapper/123:05:131
26655992014,5cyclictest0-21swapper/120:20:131
2665599200,2cyclictest3991-21H222:10:211
2665599200,2cyclictest26565-21munin-plugin-st21:05:001
2665599200,1cyclictest5943-21sleep23:20:011
2665599200,1cyclictest5943-21sleep23:20:011
2665599200,1cyclictest0-21swapper/123:50:161
2665599200,1cyclictest0-21swapper/121:25:161
2665599200,1cyclictest0-21swapper/120:10:131
2665599200,19cyclictest10526-21cat20:35:111
2665599200,19cyclictest0-21swapper/120:15:201
2665599200,16cyclictest7906-21tr22:25:131
2665599200,16cyclictest4035-21H222:10:211
2665599200,16cyclictest3989-21H222:10:211
2665599200,16cyclictest30203-21df_inode21:10:131
2665599200,16cyclictest1377-21lxd21:44:481
2665599200,15cyclictest20818-21sed19:55:181
2665599200,14cyclictest0-21swapper/122:10:191
2665599200,14cyclictest0-21swapper/120:45:011
2665599200,14cyclictest0-21swapper/119:10:121
2665499202,17cyclictest0-21swapper/000:10:150
2665499200,17cyclictest0-21swapper/022:07:040
26656991916,2cyclictest3979-21H222:10:212
26656991916,2cyclictest30723-21kernelversion23:05:162
2665699190,18cyclictest4099-21H222:10:212
2665699190,16cyclictest3989-21H222:10:212
2665699190,16cyclictest3987-21H222:10:212
2665699190,16cyclictest3987-21H222:10:212
2665699190,16cyclictest3983-21H222:10:212
2665699190,16cyclictest3983-21H222:10:212
2665599193,2cyclictest25739-21smartctl22:55:171
26655991916,2cyclictest3979-21H222:10:211
26655991914,4cyclictest0-21swapper/121:15:131
26655991914,4cyclictest0-21swapper/120:50:201
26655991913,5cyclictest0-21swapper/123:30:161
26655991913,5cyclictest0-21swapper/119:45:131
2665599190,1cyclictest0-21swapper/119:35:211
2665599190,18cyclictest3987-21H222:10:211
2665599190,18cyclictest0-21swapper/122:35:121
2665599190,18cyclictest0-21swapper/120:30:211
2665599190,0cyclictest0-21swapper/119:25:251
26654991915,2cyclictest3983-21H222:10:210
2665499191,17cyclictest0-21swapper/000:16:240
2665499190,16cyclictest3989-21H222:10:210
2665499190,16cyclictest3976-21H222:10:210
2665699182,15cyclictest0-21swapper/200:10:132
26656991816,1cyclictest28-21ksoftirqd/219:42:212
26656991816,1cyclictest0-21swapper/222:33:352
26656991815,2cyclictest26808-21mailstats20:05:202
2665699181,16cyclictest17489-21grep22:40:192
2665699180,3cyclictest9230-21grep21:30:132
2665699180,3cyclictest863-21avahi-daemon20:50:212
2665699180,3cyclictest3976-21H222:10:212
2665699180,3cyclictest1829-21systemd-journal23:27:562
2665699180,2cyclictest3985-21H222:10:212
2665699180,2cyclictest3979-21H222:10:212
2665699180,17cyclictest3989-21H222:10:212
2665699180,17cyclictest3981-21H222:10:212
2665699180,17cyclictest26868-21cut22:00:182
2665699180,16cyclictest3983-21H222:10:212
2665699180,15cyclictest3981-21H222:10:212
2665699180,15cyclictest0-21swapper/222:50:142
26655991814,3cyclictest0-21swapper/100:35:191
26655991813,5cyclictest0-21swapper/121:35:141
26655991812,5cyclictest0-21swapper/100:15:131
26654991816,1cyclictest9-21ksoftirqd/019:25:090
26654991814,3cyclictest3983-21H222:10:210
2665499181,2cyclictest4436-21sed22:20:010
2665499181,2cyclictest10011-21chrt00:21:470
2665499180,2cyclictest4099-21H222:10:210
2665499180,17cyclictest3989-21H222:10:210
2665499180,17cyclictest3989-21H222:10:210
2665499180,17cyclictest0-21swapper/021:20:130
2665699172,1cyclictest0-21swapper/222:55:102
26656991715,1cyclictest28-21ksoftirqd/221:45:302
26656991714,2cyclictest9497-21pzem_voltage00:20:202
26656991714,2cyclictest3991-21H222:10:212
26656991714,2cyclictest3985-21H222:10:212
26656991714,2cyclictest3981-21H222:10:212
26656991714,2cyclictest3053-21systemd-logind23:41:512
26656991714,2cyclictest28471-21ntp_offset23:00:192
26656991714,2cyclictest2082-21cat23:10:222
26656991714,2cyclictest13265-21sendmail_mailst21:35:192
26656991714,2cyclictest0-21swapper/221:20:212
2665699171,15cyclictest3989-21H222:10:212
2665699171,15cyclictest3976-21H222:10:212
2665699171,15cyclictest3976-21H222:10:212
2665699170,2cyclictest7676-21processes23:20:162
2665699170,2cyclictest7088-21awk21:25:162
2665699170,2cyclictest6721-21processes00:15:192
2665699170,2cyclictest4035-21H222:10:212
2665699170,2cyclictest3983-21H222:10:212
2665699170,2cyclictest3981-21H222:10:212
2665699170,2cyclictest24202-21ps23:50:182
2665699170,2cyclictest20873-21needreboot19:55:182
2665699170,2cyclictest13861-21expr00:30:122
2665699170,16cyclictest9017-21systemctl20:30:202
2665699170,16cyclictest728-21anvil22:14:262
2665699170,16cyclictest4099-21H222:10:212
2665699170,16cyclictest4099-21H222:10:212
2665699170,16cyclictest4035-21H222:10:212
2665699170,16cyclictest3989-21H222:10:212
2665699170,16cyclictest3989-21H222:10:212
2665699170,16cyclictest3987-21H222:10:212
2665699170,16cyclictest3987-21H222:10:212
2665699170,16cyclictest3987-21H222:10:212
2665699170,16cyclictest3985-21H222:10:212
2665699170,16cyclictest3985-21H222:10:212
2665699170,16cyclictest3981-21H222:10:212
2665699170,16cyclictest3002-21nfsd420:20:172
2665699170,16cyclictest14715-21expr23:35:142
2665699170,16cyclictest10156-21/usr/sbin/munin20:35:152
26654991715,1cyclictest3983-21H222:10:210
26654991715,1cyclictest0-21swapper/023:10:150
26654991715,1cyclictest0-21swapper/019:30:200
26654991714,2cyclictest9446-21ls23:25:130
26654991714,2cyclictest7480-21nfsd421:25:170
26654991714,2cyclictest4099-21H222:10:210
26654991714,2cyclictest399-20systemd-journal19:38:240
26654991714,2cyclictest3991-21H222:10:210
26654991714,2cyclictest3987-21H222:10:210
26654991714,2cyclictest3976-21H222:10:210
26654991714,2cyclictest3545-21switchtime20:20:190
26654991714,2cyclictest31282-21expr20:15:120
26654991714,2cyclictest25555-21sendmail_mailst21:00:220
26654991714,2cyclictest23175-21expr21:55:150
26654991714,2cyclictest18135-21perf20:50:010
26654991714,2cyclictest15134-21if_err_lxdbr019:45:150
26654991713,3cyclictest2850-21gmain22:27:400
26654991712,2cyclictest3989-21H222:10:210
2665499171,15cyclictest0-21swapper/022:55:010
2665499170,2cyclictest3979-21H222:10:210
2665499170,2cyclictest3976-21H222:10:210
2665499170,2cyclictest31524-21sed21:10:200
2665499170,2cyclictest22467-21nfsd420:55:180
2665499170,2cyclictest18421-21missed_timers23:40:180
2665499170,2cyclictest17428-21nfsd400:35:160
2665499170,1cyclictest0-21swapper/020:05:040
2665499170,16cyclictest4089-21fschecks_count23:15:140
2665499170,16cyclictest4089-21fschecks_count23:15:140
2665499170,16cyclictest3979-21H222:10:210
2665499170,16cyclictest31903-21idleruntime22:10:130
2665499170,16cyclictest26957-21nvmesmart_nvme022:00:200
2665499170,16cyclictest26747-21dpkg21:05:120
2665499170,16cyclictest23698-21nfsd420:00:180
2665499170,16cyclictest18465-21missed_timers21:45:170
2665499170,16cyclictest1525-21lxd20:52:480
2665499170,16cyclictest1525-21lxd19:40:480
2665499170,16cyclictest1523-21lxd23:00:330
2665499170,16cyclictest1481-21snapd21:35:090
2665499170,16cyclictest0-21swapper/021:40:130
2665499170,15cyclictest4035-21H222:10:210
2665499170,15cyclictest3985-21H222:10:210
26656991614,1cyclictest0-21swapper/220:10:132
26656991614,1cyclictest0-21swapper/219:50:132
26656991613,2cyclictest3981-21H222:10:212
2665699160,15cyclictest16458-21fschecks_time20:45:142
26654991614,1cyclictest0-21swapper/022:47:510
26654991614,1cyclictest0-21swapper/022:40:130
26654991614,1cyclictest0-21swapper/022:40:010
26654991614,1cyclictest0-21swapper/000:30:180
2665499160,1cyclictest30570-21cat19:15:160
2665499160,1cyclictest0-21swapper/022:30:180
2665499160,15cyclictest29145-21expr00:00:140
2665499160,15cyclictest28255-21expr20:10:140
2665499160,15cyclictest10906-21sed21:30:200
2665499160,15cyclictest0-21swapper/019:20:180
2665499160,15cyclictest0-21swapper/019:20:180
2665499150,1cyclictest0-21swapper/023:45:110
2665499150,15cyclictest0-21swapper/022:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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