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2026-05-01 - 05:41
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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 Fri May 01, 2026 00:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
736399263,18cyclictest0-21swapper/021:45:010
7364992321,1cyclictest0-21swapper/119:50:151
736499220,21cyclictest0-21swapper/121:45:201
736399220,4cyclictest0-21swapper/022:30:190
736499214,2cyclictest22280-21munin-run23:25:001
7364992118,2cyclictest2069-21systemd-udevd23:18:511
736399210,4cyclictest0-21swapper/020:20:010
7365992017,2cyclictest4035-21H222:10:212
7365992015,4cyclictest0-21swapper/220:30:362
7364992018,1cyclictest0-21swapper/123:45:131
736499200,18cyclictest0-21swapper/122:21:271
736499200,17cyclictest0-21swapper/121:27:451
736399202,16cyclictest13957-21gpg-connect-age00:10:010
7365991916,2cyclictest2872-21systemd-logind00:00:512
7365991914,4cyclictest0-21swapper/222:51:002
736599190,18cyclictest14505-21snapd22:05:192
736599190,16cyclictest3983-21H222:10:212
736499193,15cyclictest28261-21sed21:40:011
736499193,15cyclictest0-21swapper/122:47:461
736499193,15cyclictest0-21swapper/100:20:181
736499192,1cyclictest0-21swapper/122:10:211
736499192,1cyclictest0-21swapper/119:10:171
736499192,16cyclictest21750-21perf19:35:001
736499192,16cyclictest0-21swapper/122:06:221
7364991917,1cyclictest0-21swapper/122:40:251
7364991912,4cyclictest3450-21gsd-color19:20:131
736499191,17cyclictest0-21swapper/123:07:171
736499191,16cyclictest0-21swapper/100:06:271
736499191,16cyclictest0-21swapper/100:06:271
736499190,1cyclictest0-21swapper/100:38:311
736499190,1cyclictest0-21swapper/100:20:011
736499190,18cyclictest0-21swapper/122:36:251
736499190,18cyclictest0-21swapper/122:29:521
736499190,18cyclictest0-21swapper/120:31:471
7363991914,2cyclictest3976-21H222:10:210
736399191,15cyclictest0-21swapper/020:10:170
736399190,2cyclictest3979-21H222:10:210
7365991815,2cyclictest28192-21latency_hist21:40:012
7365991814,3cyclictest22129-21/usr/sbin/munin19:35:192
7365991814,2cyclictest6489-21tr21:00:142
736599180,3cyclictest8167-21cut23:55:172
736599180,2cyclictest3983-21H222:10:212
736599180,15cyclictest0-21swapper/223:30:182
736499182,2cyclictest3993-21chrt21:51:121
736499182,1cyclictest16271-21mailstats21:15:221
736499182,15cyclictest265622sleep120:36:561
736499182,15cyclictest265622sleep120:36:561
736499182,15cyclictest2345-21tr19:55:191
736499182,15cyclictest0-21swapper/121:00:301
7364991816,1cyclictest7631-21pzem_current22:55:201
7364991814,3cyclictest3991-21H222:10:211
736499181,2cyclictest5691-21cron22:55:001
736499181,16cyclictest17629-21find22:15:211
736499181,16cyclictest11727-21timerandwakeup00:00:231
736499180,17cyclictest4099-21H222:10:211
736499180,15cyclictest4099-21H222:10:211
736399182,1cyclictest0-21swapper/023:06:590
736399182,15cyclictest14049-21cat22:10:170
7363991815,2cyclictest8982-21timerandwakeup23:55:210
7363991814,3cyclictest4035-21H222:10:210
7363991814,3cyclictest3989-21H222:10:210
736399180,17cyclictest4035-21H222:10:210
736399180,17cyclictest0-21swapper/019:20:420
736399180,15cyclictest3989-21H222:10:210
736399180,15cyclictest3979-21H222:10:210
736599172,1cyclictest28-21ksoftirqd/221:16:402
7365991715,1cyclictest28-21ksoftirqd/222:31:322
7365991715,1cyclictest0-21swapper/222:00:132
7365991714,2cyclictest8873-21/usr/sbin/munin23:00:142
7365991714,2cyclictest3991-21H222:10:212
7365991714,2cyclictest3989-21H222:10:212
7365991714,2cyclictest3981-21H222:10:212
7365991714,2cyclictest3976-21H222:10:212
7365991714,2cyclictest3976-21H222:10:212
7365991714,2cyclictest30510-21/usr/sbin/munin19:50:122
7365991714,2cyclictest27339-21latency_hist20:40:012
7365991714,2cyclictest15366-21smtpd22:11:482
736599170,2cyclictest3414-21master21:21:562
736599170,2cyclictest18267-21nfsd400:15:182
736599170,2cyclictest17915-21tune2fs23:15:152
736599170,2cyclictest11860-21proc_pri19:15:192
736599170,1cyclictest0-21swapper/220:12:082
736599170,16cyclictest7110-21/usr/sbin/munin20:05:112
736599170,16cyclictest6166-21ls23:50:232
736599170,16cyclictest4763-21grep20:55:182
736599170,16cyclictest455-21plymouthd00:35:212
736599170,16cyclictest3989-21H222:10:212
736599170,16cyclictest3978-21H222:10:212
736599170,16cyclictest2976-21netstat21:50:172
736599170,16cyclictest23162-21ls23:25:132
736599170,16cyclictest23148-21idleruntime00:25:182
736599170,16cyclictest21747-21mailstats21:25:222
736599170,16cyclictest20825-21ntp_states19:30:182
736599170,16cyclictest12615-21fschecks_time21:10:132
736599170,16cyclictest1079-21cups-browsed20:40:192
736599170,16cyclictest0-21swapper/220:50:532
736599170,0cyclictest0-21swapper/221:34:552
7364991715,1cyclictest0-21swapper/100:25:161
7364991714,2cyclictest5180-21grep23:50:161
7364991714,2cyclictest3983-21H222:10:211
7364991714,2cyclictest17705-21/usr/sbin/munin21:20:131
7364991714,2cyclictest14549-21/usr/sbin/munin20:15:181
736499170,2cyclictest7230-21/usr/sbin/munin23:55:191
736499170,2cyclictest5177-21expr21:55:141
736499170,2cyclictest5177-21expr21:55:141
736499170,2cyclictest3868-21cstates20:55:141
736499170,2cyclictest29409-21/usr/sbin/munin19:45:211
736499170,2cyclictest26341-21awk19:40:181
736499170,2cyclictest22948-21/usr/sbin/munin19:35:141
736499170,2cyclictest19282-21sort20:25:141
736499170,2cyclictest16018-21pzem_power23:10:211
736499170,2cyclictest13148-21sshd21:10:161
736499170,16cyclictest9732-21if_lxdbr023:00:171
736499170,16cyclictest8069-21df22:00:141
736499170,16cyclictest4267-21cstates20:00:141
736499170,16cyclictest32650-21systemctl23:40:221
736499170,16cyclictest32650-21systemctl23:40:221
736499170,16cyclictest29435-21awk23:35:181
736499170,16cyclictest29134-21/usr/sbin/munin21:40:141
736499170,16cyclictest29132-21/usr/sbin/munin20:40:201
736499170,16cyclictest25999-21/usr/sbin/munin23:30:141
736499170,16cyclictest25376-21cstates00:30:141
736499170,16cyclictest22693-21apache_volume23:25:111
736499170,16cyclictest1969-21/usr/sbin/munin20:50:191
736499170,16cyclictest16004-21python319:25:011
736499170,16cyclictest13840-21apt-config00:10:011
736499170,16cyclictest11791-21ntpq19:15:181
736499170,16cyclictest10988-21sed21:05:231
736499170,16cyclictest0-21swapper/121:34:021
736499170,15cyclictest3976-21H222:10:211
7363991715,1cyclictest3981-21H222:10:210
7363991715,1cyclictest0-21swapper/021:33:450
7363991715,1cyclictest0-21swapper/000:37:340
7363991714,2cyclictest31435-21pzem_energy22:40:200
7363991714,2cyclictest26581-21sed19:40:200
7363991714,2cyclictest23013-21fschecks_count00:25:170
7363991714,2cyclictest16910-21/usr/sbin/munin00:15:150
7363991713,3cyclictest0-21swapper/022:55:180
7363991713,2cyclictest26965-21nfsd421:35:170
736399170,2cyclictest4099-21H222:10:210
736399170,2cyclictest22004-21fschecks_count20:30:160
736399170,2cyclictest19037-21perf19:30:010
736399170,2cyclictest15945-21lxd21:02:500
736399170,2cyclictest14500-21snapd23:32:580
736399170,2cyclictest12745-21python322:10:010
736399170,1cyclictest0-21swapper/020:25:130
736399170,1cyclictest0-21swapper/019:11:250
736399170,16cyclictest558-21cpuspeed_turbos20:50:140
736399170,16cyclictest5053-21expr21:55:140
736399170,16cyclictest5053-21expr21:55:140
736399170,16cyclictest4511-21cat23:50:130
736399170,16cyclictest4099-21H222:10:210
736399170,16cyclictest381-21sendmail_mailst21:45:200
736399170,16cyclictest2007-21systemd-journal21:29:190
736399170,16cyclictest14504-21snapd20:20:280
7365991614,1cyclictest0-21swapper/223:40:142
7365991614,1cyclictest0-21swapper/223:40:142
7365991614,1cyclictest0-21swapper/222:15:132
7365991614,1cyclictest0-21swapper/221:55:222
7365991614,1cyclictest0-21swapper/221:55:222
7365991614,1cyclictest0-21swapper/220:15:142
7365991614,1cyclictest0-21swapper/219:45:142
7365991614,1cyclictest0-21swapper/219:40:142
7365991614,1cyclictest0-21swapper/219:10:132
7365991613,2cyclictest25134-21apache_volume00:30:122
7365991612,3cyclictest3989-21H222:10:212
736599160,1cyclictest0-21swapper/223:20:132
736599160,1cyclictest0-21swapper/220:25:182
736599160,15cyclictest6317-21tr22:55:142
736599160,15cyclictest25257-21idleruntime20:35:142
736599160,15cyclictest17452-21idleruntime19:25:162
736599160,15cyclictest1431-21chrt23:45:022
736599160,15cyclictest12177-21df23:05:162
736599160,15cyclictest0-21swapper/223:35:172
736599160,15cyclictest0-21swapper/222:45:232
736599160,15cyclictest0-21swapper/222:40:162
736599160,15cyclictest0-21swapper/220:20:132
736599160,15cyclictest0-21swapper/200:15:002
736599160,0cyclictest0-21swapper/200:05:572
736599160,0cyclictest0-21swapper/200:05:572
7363991614,1cyclictest0-21swapper/023:40:150
7363991614,1cyclictest0-21swapper/023:40:150
7363991614,1cyclictest0-21swapper/023:10:180
7363991614,1cyclictest0-21swapper/022:20:150
7363991614,1cyclictest0-21swapper/021:15:230
7363991614,1cyclictest0-21swapper/021:05:190
7363991614,1cyclictest0-21swapper/020:40:110
7363991614,1cyclictest0-21swapper/000:00:170
7363991613,2cyclictest3989-21H222:10:210
7363991613,2cyclictest2366-21if_lxdbr023:45:160
736399160,2cyclictest3891-21expr20:55:140
736399160,1cyclictest0-21swapper/021:10:160
736399160,1cyclictest0-21swapper/000:05:110
736399160,1cyclictest0-21swapper/000:05:110
736399160,15cyclictest4099-21H222:10:210
736399160,15cyclictest3983-21H222:10:210
736399160,15cyclictest27973-21sed22:35:170
736399160,15cyclictest24458-21apt-config20:35:010
736399160,15cyclictest24458-21apt-config20:35:010
736399160,15cyclictest22668-21/usr/sbin/munin23:25:120
736399160,15cyclictest1260-21ls22:45:180
736399160,15cyclictest1127-21sshd00:20:460
736399160,15cyclictest0-21swapper/023:35:140
736399160,15cyclictest0-21swapper/023:00:110
736399160,15cyclictest0-21swapper/021:50:130
736399160,15cyclictest0-21swapper/019:50:150
7363991512,2cyclictest16758-21fschecks_time22:15:150
736399150,1cyclictest0-21swapper/023:15:140
736399150,1cyclictest0-21swapper/022:00:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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