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2026-05-21 - 19:38
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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 May 21, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1331099253,15cyclictest13979-21latency_hist11:00:000
13310992313,5cyclictest0-21swapper/011:20:210
1331199220,20cyclictest455-21plymouthd10:50:131
1331299202,17cyclictest0-21swapper/212:25:122
13312992017,2cyclictest23105-21switchtime12:10:212
13311992018,1cyclictest21-21ksoftirqd/111:00:001
13311992014,3cyclictest0-21swapper/110:33:261
1331099200,17cyclictest0-21swapper/012:20:000
1331099200,17cyclictest0-21swapper/011:07:210
1331299195,13cyclictest0-21swapper/208:42:572
1331299194,1cyclictest0-21swapper/211:12:352
13312991911,5cyclictest0-21swapper/208:26:412
1331299190,18cyclictest0-21swapper/209:45:152
1331299190,16cyclictest3985-21H222:10:212
13311991915,3cyclictest0-21swapper/112:20:181
1331199191,2cyclictest0-21swapper/107:30:171
1331199191,2cyclictest0-21swapper/107:30:171
1331199190,5cyclictest0-21swapper/111:45:161
1331199190,3cyclictest0-21swapper/112:15:381
1331199190,18cyclictest16121-21pluginstate07:15:011
1331199190,17cyclictest25361-21idleruntime-cro11:20:001
13310991918,0cyclictest0-21swapper/012:37:070
1331099190,1cyclictest0-21swapper/010:20:200
1331099190,16cyclictest11151-21nfsd409:55:160
1331099190,15cyclictest0-21swapper/012:01:190
1331299182,0cyclictest0-21swapper/209:24:232
13312991816,1cyclictest28-21ksoftirqd/211:30:172
13312991815,1cyclictest0-21swapper/211:04:372
13311991816,1cyclictest0-21swapper/111:30:181
13311991816,1cyclictest0-21swapper/111:06:111
13311991816,1cyclictest0-21swapper/109:10:141
13311991816,1cyclictest0-21swapper/109:00:171
13311991815,2cyclictest30849-21nfsd412:25:161
13311991814,2cyclictest3053-21systemd-logind08:40:521
1331199180,3cyclictest1523-21lxd12:08:431
1331199180,17cyclictest870-21systemd-logind11:53:511
1331199180,17cyclictest0-21swapper/112:10:141
1331099182,15cyclictest0-21swapper/008:55:010
13310991816,1cyclictest0-21swapper/010:18:000
13310991816,1cyclictest0-21swapper/009:40:140
13310991815,2cyclictest2104-21seq12:31:420
1331099181,2cyclictest22752-21uname07:25:170
1331099181,16cyclictest28995-21cat09:30:160
1331299172,1cyclictest0-21swapper/208:15:032
13312991715,1cyclictest3979-21H222:10:212
13312991715,1cyclictest0-21swapper/211:55:152
13312991715,1cyclictest0-21swapper/211:55:152
13312991715,1cyclictest0-21swapper/211:35:172
13312991715,1cyclictest0-21swapper/210:00:142
13312991714,2cyclictest6029-21apache_accesses10:45:102
13312991714,2cyclictest20390-21cat09:15:152
13312991714,2cyclictest17919-21sendmail_mailst07:15:212
13312991713,3cyclictest0-21swapper/209:00:182
13312991712,3cyclictest0-21swapper/211:41:192
1331299170,2cyclictest5371-21munin-run08:50:002
1331299170,2cyclictest4511-21nfsd410:40:152
1331299170,2cyclictest3985-21H222:10:212
1331299170,2cyclictest3954-21VM22:10:212
1331299170,2cyclictest3639-21cut12:35:142
1331299170,2cyclictest28068-21sendmail_mailqu10:25:192
1331299170,2cyclictest24908-21idleruntime12:15:162
1331299170,2cyclictest11663-21grep11:50:162
1331299170,16cyclictest7988-21systemctl07:55:212
1331299170,16cyclictest7844-21fschecks_count09:50:162
1331299170,16cyclictest4099-21H222:10:212
1331299170,16cyclictest399-20systemd-journal08:03:242
1331299170,16cyclictest24157-21sed11:15:172
1331299170,16cyclictest24130-21cstates10:20:152
1331299170,16cyclictest18867-21expr10:10:142
1331299170,16cyclictest1523-21lxd10:18:422
1331299170,16cyclictest1377-21lxd07:52:422
1331299170,16cyclictest1227-21nfsd412:30:172
13311991715,1cyclictest85022sleep107:57:281
13311991715,1cyclictest0-21swapper/110:20:221
13311991714,2cyclictest5889-21expr08:50:141
13311991714,2cyclictest3976-21H222:10:211
13311991714,2cyclictest2872-21systemd-logind12:34:511
13311991714,2cyclictest25608-21cat08:25:211
13311991714,2cyclictest22577-21idleruntime07:25:171
13311991714,2cyclictest12663-21/usr/sbin/munin10:00:211
13311991714,2cyclictest1100-21snmpd09:51:571
13311991714,2cyclictest10957-21sed08:00:211
13311991713,3cyclictest0-21swapper/110:09:001
1331199170,2cyclictest4814-21sed10:40:181
1331199170,2cyclictest3053-21systemd-logind09:58:521
1331199170,2cyclictest3053-21systemd-logind08:56:521
1331199170,2cyclictest13176-21tr11:55:131
1331199170,2cyclictest13176-21tr11:55:131
1331199170,2cyclictest12302-21expr08:05:141
1331199170,2cyclictest11498-21/usr/sbin/munin10:55:171
1331199170,16cyclictest5202-21smartctl09:45:161
1331199170,16cyclictest455-21plymouthd09:25:151
1331199170,16cyclictest3985-21H222:10:211
1331199170,16cyclictest3053-21systemd-logind11:22:511
1331199170,16cyclictest16901-21expr07:15:151
1331199170,16cyclictest0-21swapper/110:35:201
1331199170,16cyclictest0-21swapper/107:40:101
1331199170,15cyclictest3976-21H222:10:211
1331199170,15cyclictest0-21swapper/109:40:171
13310991717,0cyclictest0-21swapper/012:20:140
13310991715,1cyclictest0-21swapper/007:20:140
13310991714,2cyclictest8733-21runrttasks10:50:110
13310991714,2cyclictest27600-21missed_timers08:30:160
13310991714,2cyclictest25678-21date11:20:010
13310991714,2cyclictest18897-21ntpq08:15:210
13310991714,2cyclictest10640-21timerwakeupswit08:55:200
13310991714,1cyclictest0-21swapper/007:42:590
1331099171,1cyclictest13897-21nfsd410:00:190
1331099171,15cyclictest29834-21nfsd411:25:180
1331099170,2cyclictest8027-21chrt10:46:020
1331099170,2cyclictest7607-21nfsd407:55:180
1331099170,2cyclictest5184-21expr11:40:120
1331099170,2cyclictest5076-21nvmesmart_nvme007:50:190
1331099170,2cyclictest4068-21/usr/sbin/munin08:45:190
1331099170,2cyclictest3976-21H222:10:210
1331099170,2cyclictest31541-21expr11:30:120
1331099170,2cyclictest17893-21pzem_power07:15:210
1331099170,2cyclictest17539-21expr09:10:140
1331099170,2cyclictest15512-21latency_hist12:00:000
1331099170,2cyclictest15512-21latency_hist12:00:000
1331099170,16cyclictest460-21expr10:35:140
1331099170,16cyclictest399-20systemd-journal12:10:020
1331099170,16cyclictest32367-21pzem09:35:200
1331099170,16cyclictest25162-21awk07:30:150
1331099170,16cyclictest25162-21awk07:30:140
1331099170,16cyclictest21019-21missed_timers09:15:180
1331099170,16cyclictest16233-21pzem_voltage11:00:200
1331099170,16cyclictest12451-21df_inode08:05:140
1331099170,16cyclictest1100-21snmpd10:05:230
1331099170,16cyclictest0-21swapper/008:40:520
1331099170,15cyclictest9464-21cstates08:00:130
1331099170,15cyclictest3979-21H222:10:210
13312991614,1cyclictest7629-21cpu11:45:142
13312991614,1cyclictest28489-21/usr/sbin/munin11:25:122
13312991614,1cyclictest15375-21fschecks_count08:10:142
13312991614,1cyclictest0-21swapper/212:00:212
13312991614,1cyclictest0-21swapper/209:40:162
13312991614,1cyclictest0-21swapper/209:10:112
13312991614,1cyclictest0-21swapper/208:50:152
13312991614,1cyclictest0-21swapper/208:20:122
13312991614,1cyclictest0-21swapper/207:35:112
13312991614,1cyclictest0-21swapper/207:30:142
13312991614,1cyclictest0-21swapper/207:30:132
13312991613,2cyclictest12131-21cstates08:05:142
1331299161,1cyclictest352-21jbd2/nvme0n1p2-09:55:202
1331299160,2cyclictest11914-21expr10:55:132
1331299160,1cyclictest2549-21timerwakeupswit07:45:222
1331299160,1cyclictest0-21swapper/211:05:112
1331299160,1cyclictest0-21swapper/209:30:182
1331299160,1cyclictest0-21swapper/208:30:162
1331299160,1cyclictest0-21swapper/207:40:162
1331299160,15cyclictest26307-21kernelversion09:25:152
1331299160,15cyclictest0-21swapper/212:20:112
1331299160,15cyclictest0-21swapper/212:05:122
1331299160,15cyclictest0-21swapper/210:30:182
1331299160,15cyclictest0-21swapper/210:05:132
1331299160,15cyclictest0-21swapper/209:05:172
1331299160,15cyclictest0-21swapper/208:55:012
1331299160,15cyclictest0-21swapper/207:20:142
13311991614,1cyclictest0-21swapper/112:35:161
13311991614,1cyclictest0-21swapper/112:00:151
13311991614,1cyclictest0-21swapper/110:45:091
13311991614,1cyclictest0-21swapper/110:15:141
13311991614,1cyclictest0-21swapper/109:35:151
13311991614,1cyclictest0-21swapper/108:30:101
13311991614,1cyclictest0-21swapper/107:35:121
13311991614,1cyclictest0-21swapper/107:20:151
13311991613,2cyclictest27200-21fschecks_time10:25:141
13311991613,2cyclictest20268-21wc08:20:121
1331199160,1cyclictest0-21swapper/111:40:201
1331199160,1cyclictest0-21swapper/107:45:141
1331199160,15cyclictest4953-21expr07:50:171
1331199160,15cyclictest455-21plymouthd08:45:141
1331199160,15cyclictest29078-21cstates11:25:141
1331199160,15cyclictest19921-21grep09:15:141
1331199160,15cyclictest17699-21tr08:15:141
1331199160,15cyclictest0-21swapper/111:35:221
1331199160,15cyclictest0-21swapper/111:10:151
1331199160,15cyclictest0-21swapper/109:30:131
1331199160,15cyclictest0-21swapper/108:10:181
13310991614,1cyclictest21090-21if_eno111:10:140
13310991614,1cyclictest0-21swapper/012:30:000
13310991614,1cyclictest0-21swapper/011:45:180
13310991614,1cyclictest0-21swapper/010:40:110
13310991614,1cyclictest0-21swapper/010:30:140
13310991614,1cyclictest0-21swapper/009:05:040
13310991614,1cyclictest0-21swapper/008:20:120
1331099160,2cyclictest27563-21expr07:35:110
1331099160,2cyclictest23055-21expr09:20:130
1331099160,2cyclictest11556-21cut11:50:160
1331099160,1cyclictest0-21swapper/012:06:470
1331099160,1cyclictest0-21swapper/009:00:170
1331099160,1cyclictest0-21swapper/008:10:200
1331099160,1cyclictest0-21swapper/007:45:040
1331099160,15cyclictest8612-21ntp_states09:50:200
1331099160,15cyclictest24481-21sh08:25:150
1331099160,15cyclictest19694-21ntpq10:10:170
1331099160,15cyclictest1929-21expr11:35:140
1331099160,15cyclictest14198-21df07:10:130
1331099160,15cyclictest0-21swapper/010:25:150
1331099160,15cyclictest0-21swapper/009:25:130
1331299150,1cyclictest0-21swapper/210:35:452
13311991513,1cyclictest0-21swapper/110:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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