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2026-08-18 - 18:45
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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 Aug 18, 2026 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14235992420,3cyclictest4099-21H222:10:212
1423599240,19cyclictest0-21swapper/207:53:342
1423499240,19cyclictest0-21swapper/107:25:201
1423399230,5cyclictest0-21swapper/011:39:100
1423399220,4cyclictest0-21swapper/011:41:580
14235992117,3cyclictest0-21swapper/210:44:582
14234992118,2cyclictest4035-21H222:10:211
1423599202,17cyclictest3976-21H222:10:212
14235992017,2cyclictest3989-21H222:10:212
1423399202,2cyclictest0-21swapper/008:20:150
1423599193,15cyclictest0-21swapper/207:55:222
14235991916,2cyclictest19567-21wc08:15:172
14235991916,2cyclictest15892-21snapd11:47:582
14235991916,2cyclictest15547-21processes11:55:192
1423599190,2cyclictest3989-21H222:10:212
1423599190,2cyclictest3985-21H222:10:212
1423599190,1cyclictest0-21swapper/208:30:132
1423599190,18cyclictest0-21swapper/212:11:232
1423599190,16cyclictest4099-21H222:10:212
1423599190,16cyclictest4035-21H222:10:212
1423599190,16cyclictest4035-21H222:10:212
1423599190,16cyclictest3989-21H222:10:212
1423499193,1cyclictest0-21swapper/108:33:531
14234991916,2cyclictest8949-21cat08:55:011
14234991916,2cyclictest8949-21cat08:55:001
14234991916,2cyclictest31007-21nfsd410:30:191
14234991914,3cyclictest4099-21H222:10:211
1423499190,18cyclictest843-21systemd-network11:46:591
1423499190,18cyclictest843-21systemd-network10:21:571
1423499190,16cyclictest4099-21H222:10:211
1423499190,16cyclictest4099-21H222:10:211
1423499190,16cyclictest3981-21H222:10:211
1423499190,16cyclictest3979-21H222:10:211
14233991916,2cyclictest13493-21fschecks_time08:05:150
1423399191,17cyclictest3991-21H222:10:210
1423399190,2cyclictest3979-21H222:10:210
1423399190,18cyclictest3979-21H222:10:210
1423399190,17cyclictest4035-21H222:10:210
1423399190,16cyclictest3987-21H222:10:210
1423399190,16cyclictest3985-21H222:10:210
1423399190,16cyclictest3981-21H222:10:210
1423399190,16cyclictest3976-21H222:10:210
1423599182,15cyclictest0-21swapper/212:02:052
1423599182,15cyclictest0-21swapper/208:55:152
14235991817,1cyclictest28-21ksoftirqd/212:20:562
14235991816,1cyclictest22620-21latency10:15:152
14235991814,3cyclictest4035-21H222:10:212
14235991814,3cyclictest3987-21H222:10:212
14235991814,3cyclictest3981-21H222:10:212
14235991814,3cyclictest0-21swapper/208:50:212
14235991814,3cyclictest0-21swapper/208:50:212
14235991814,2cyclictest3987-21H222:10:212
14235991814,2cyclictest3987-21H222:10:212
14235991813,2cyclictest3987-21H222:10:212
1423599180,3cyclictest3985-21H222:10:212
1423599180,2cyclictest3991-21H222:10:212
1423599180,2cyclictest3987-21H222:10:212
1423599180,2cyclictest3985-21H222:10:212
1423599180,2cyclictest3985-21H222:10:212
1423599180,2cyclictest3985-21H222:10:212
1423599180,2cyclictest3985-21H222:10:212
1423599180,2cyclictest3981-21H222:10:212
1423599180,17cyclictest4035-21H222:10:212
1423599180,17cyclictest3981-21H222:10:212
1423599180,17cyclictest21333-21cat10:15:002
1423599180,17cyclictest13663-21basename11:55:002
1423499182,2cyclictest30989-21cat08:35:141
1423499182,15cyclictest21-21ksoftirqd/112:37:441
14234991816,1cyclictest21-21ksoftirqd/112:33:511
14234991816,1cyclictest21-21ksoftirqd/110:40:581
14234991816,1cyclictest0-21swapper/110:05:321
14234991815,2cyclictest3053-21systemd-logind09:06:511
14234991815,2cyclictest16767-21chrt07:13:481
14234991814,3cyclictest3987-21H222:10:211
14234991814,3cyclictest0-21swapper/108:57:001
14234991814,3cyclictest0-21swapper/108:15:151
14234991814,2cyclictest3991-21H222:10:211
14234991813,2cyclictest3985-21H222:10:211
1423499180,3cyclictest4035-21H222:10:211
1423499180,2cyclictest3987-21H222:10:211
1423499180,2cyclictest3987-21H222:10:211
1423499180,2cyclictest3985-21H222:10:211
1423499180,2cyclictest3979-21H222:10:211
1423499180,2cyclictest3976-21H222:10:211
1423499180,17cyclictest3987-21H222:10:211
1423499180,16cyclictest3987-21H222:10:211
1423499180,15cyclictest3985-21H222:10:211
1423499180,15cyclictest3985-21H222:10:211
14233991815,2cyclictest3985-21H222:10:210
14233991815,2cyclictest3981-21H222:10:210
14233991814,3cyclictest3983-21H222:10:210
14233991814,3cyclictest3979-21H222:10:210
14233991814,2cyclictest3979-21H222:10:210
1423399181,16cyclictest3991-21H222:10:210
1423399180,2cyclictest3991-21H222:10:210
1423399180,2cyclictest3989-21H222:10:210
1423399180,2cyclictest3983-21H222:10:210
1423399180,2cyclictest3979-21H222:10:210
1423399180,17cyclictest4099-21H222:10:210
1423399180,17cyclictest4035-21H222:10:210
1423399180,17cyclictest22078-21python312:10:000
1423399180,16cyclictest4099-21H222:10:210
1423399180,16cyclictest4035-21H222:10:210
1423399180,16cyclictest3985-21H222:10:210
1423399180,16cyclictest3985-21H222:10:210
1423399180,15cyclictest3991-21H222:10:210
14235991715,1cyclictest0-21swapper/210:01:092
14235991714,2cyclictest4099-21H222:10:212
14235991714,2cyclictest3991-21H222:10:212
14235991714,2cyclictest3985-21H222:10:212
14235991714,2cyclictest3983-21H222:10:212
14235991714,2cyclictest3981-21H222:10:212
14235991714,2cyclictest28247-21apt07:35:122
14235991714,2cyclictest14501-21snapd07:42:582
14235991714,2cyclictest1375-21munin-node08:06:542
14235991714,2cyclictest13314-21nfsd410:55:192
14235991714,2cyclictest11564-21uname08:00:202
1423599171,15cyclictest0-21swapper/209:05:002
1423599170,2cyclictest24996-21fschecks_time08:25:172
1423599170,2cyclictest24996-21fschecks_time08:25:162
1423599170,2cyclictest16680-21which10:05:162
1423599170,16cyclictest8529-21timerwakeupswit10:45:212
1423599170,16cyclictest3991-21H222:10:212
1423599170,16cyclictest3989-21H222:10:212
1423599170,16cyclictest3989-21H222:10:212
1423599170,16cyclictest3981-21H222:10:212
1423599170,16cyclictest30901-21timerandwakeup11:25:222
1423599170,16cyclictest29773-21/usr/sbin/munin10:30:142
1423599170,16cyclictest21273-21nfsd407:20:182
1423599170,16cyclictest0-21swapper/210:50:142
1423599170,16cyclictest0-21swapper/207:25:172
14234991715,1cyclictest21-21ksoftirqd/112:18:291
14234991715,1cyclictest0-21swapper/109:30:141
14234991714,2cyclictest29703-21proc_pri07:35:201
14234991714,2cyclictest25923-21expr07:30:141
14234991714,2cyclictest25475-21cut12:15:011
14234991714,2cyclictest20099-21awk10:10:191
14234991714,2cyclictest1271-21missed_timers10:35:171
14234991713,3cyclictest3983-21H222:10:211
1423499171,2cyclictest6780-21expr11:40:171
1423499171,15cyclictest3989-21H222:10:211
1423499170,2cyclictest4035-21H222:10:211
1423499170,2cyclictest3985-21H222:10:211
1423499170,2cyclictest3981-21H222:10:211
1423499170,2cyclictest31398-21munin-run11:30:001
1423499170,2cyclictest22444-21/usr/sbin/munin10:15:131
1423499170,1cyclictest0-21swapper/112:04:441
1423499170,16cyclictest8271-21cut10:45:221
1423499170,16cyclictest4099-21H222:10:211
1423499170,16cyclictest3991-21H222:10:211
1423499170,16cyclictest3991-21H222:10:211
1423499170,16cyclictest3989-21H222:10:211
1423499170,16cyclictest3989-21H222:10:211
1423499170,16cyclictest3985-21H222:10:211
1423499170,16cyclictest30150-21timerwakeupswit12:20:201
1423499170,16cyclictest19873-21anvil09:17:181
1423499170,16cyclictest19873-21anvil09:17:181
1423499170,16cyclictest12082-21/usr/sbin/munin10:55:171
14233991715,1cyclictest9-21ksoftirqd/011:08:550
14233991715,1cyclictest9-21ksoftirqd/010:25:150
14233991715,1cyclictest0-21swapper/007:25:230
14233991714,2cyclictest8913-21needreboot09:50:160
14233991714,2cyclictest3979-21H222:10:210
14233991714,2cyclictest3976-21H222:10:210
14233991714,2cyclictest28515-21cut12:20:130
14233991714,2cyclictest0-21swapper/010:50:130
14233991714,1cyclictest0-21swapper/007:35:140
1423399171,15cyclictest28928-21timerwakeupswit08:30:220
1423399170,2cyclictest4099-21H222:10:210
1423399170,2cyclictest3987-21H222:10:210
1423399170,2cyclictest3987-21H222:10:210
1423399170,2cyclictest3987-21H222:10:210
1423399170,2cyclictest3985-21H222:10:210
1423399170,2cyclictest3983-21H222:10:210
1423399170,2cyclictest3983-21H222:10:210
1423399170,2cyclictest3981-21H222:10:210
1423399170,2cyclictest3976-21H222:10:210
1423399170,2cyclictest3929-21tr08:45:150
1423399170,2cyclictest3053-21systemd-logind07:20:520
1423399170,1cyclictest0-21swapper/008:28:210
1423399170,1cyclictest0-21swapper/008:28:200
1423399170,16cyclictest594-21cat10:35:150
1423399170,16cyclictest4035-21H222:10:210
1423399170,16cyclictest3989-21H222:10:210
1423399170,16cyclictest3985-21H222:10:210
1423399170,16cyclictest3985-21H222:10:210
1423399170,16cyclictest1912-21cat07:45:140
1423399170,16cyclictest1377-21lxd09:48:430
1423399170,16cyclictest10631-21grep08:55:190
1423399170,16cyclictest0-21swapper/010:12:380
1423399170,15cyclictest3981-21H222:10:210
1423399170,15cyclictest3979-21H222:10:210
14235991614,1cyclictest0-21swapper/212:35:002
1423599160,15cyclictest32358-21nfsd412:25:182
14234991614,1cyclictest21-21ksoftirqd/107:40:011
14234991614,1cyclictest0-21swapper/109:35:141
14234991613,2cyclictest4035-21H222:10:211
1423499160,1cyclictest0-21swapper/110:50:151
1423499160,1cyclictest0-21swapper/108:25:191
1423499160,1cyclictest0-21swapper/108:25:191
1423499160,1cyclictest0-21swapper/107:45:141
14233991614,1cyclictest0-21swapper/007:50:170
14233991613,2cyclictest31055-21apt-get12:25:110
1423399160,15cyclictest8674-21cat11:45:140
1423399160,15cyclictest0-21swapper/009:30:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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