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2025-12-22 - 05:19
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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 Mon Dec 22, 2025 00:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
902099340,31cyclictest0-21swapper/020:59:180
9029992320,2cyclictest31789-21wc00:35:132
902599220,18cyclictest0-21swapper/119:20:261
902599220,18cyclictest0-21swapper/119:20:251
9020992219,2cyclictest31603-21cstates22:40:130
902099220,18cyclictest0-21swapper/021:40:080
902999210,20cyclictest0-21swapper/223:01:552
902099216,14cyclictest0-21swapper/022:54:310
902099216,14cyclictest0-21swapper/022:54:300
902999204,15cyclictest3983-21H222:10:212
902599200,20cyclictest0-21swapper/121:00:521
902999192,16cyclictest0-21swapper/221:08:152
9029991917,1cyclictest28-21ksoftirqd/220:51:432
9029991917,1cyclictest0-21swapper/223:15:152
9029991916,2cyclictest993-21dbus-daemon19:55:232
9029991915,3cyclictest0-21swapper/220:08:242
902999190,16cyclictest0-21swapper/221:45:022
902599192,3cyclictest0-21swapper/123:31:341
902599190,2cyclictest3985-21H222:10:211
902599190,18cyclictest843-21systemd-network22:41:311
902599190,16cyclictest4099-21H222:10:211
902599190,16cyclictest4035-21H222:10:211
9020991916,2cyclictest17838-21cpuspeed_turbos00:10:160
9020991916,2cyclictest17838-21cpuspeed_turbos00:10:150
9020991914,3cyclictest0-21swapper/000:39:150
902099190,2cyclictest3979-21H222:10:210
902099190,16cyclictest3991-21H222:10:210
902099190,16cyclictest3991-21H222:10:210
902099190,16cyclictest3983-21H222:10:210
902099190,16cyclictest3983-21H222:10:210
902999183,1cyclictest4099-21H222:10:212
9029991816,1cyclictest0-21swapper/223:52:032
9029991815,2cyclictest11577-21sed20:10:192
9029991814,3cyclictest0-21swapper/222:21:592
9029991814,2cyclictest22681-21nfsd423:20:172
9029991813,3cyclictest0-21swapper/219:21:312
9029991813,3cyclictest0-21swapper/219:21:302
902999181,2cyclictest25355-21chrt00:23:282
902999180,3cyclictest2273-21fgrep23:40:222
902999180,2cyclictest3989-21H222:10:212
902999180,2cyclictest3985-21H222:10:212
902999180,2cyclictest3981-21H222:10:212
902999180,2cyclictest3979-21H222:10:212
902999180,15cyclictest3991-21H222:10:212
902999180,15cyclictest3989-21H222:10:212
902599182,15cyclictest21-21ksoftirqd/121:56:131
9025991816,1cyclictest21-21ksoftirqd/120:11:071
9025991816,1cyclictest0-21swapper/123:00:351
9025991816,1cyclictest0-21swapper/122:00:111
9025991816,1cyclictest0-21swapper/121:30:161
9025991816,1cyclictest0-21swapper/119:58:261
9025991812,5cyclictest0-21swapper/120:57:531
902599180,3cyclictest4099-21H222:10:211
902599180,3cyclictest30459-21nvmesmart_nvme000:30:191
902599180,2cyclictest4035-21H222:10:211
902599180,17cyclictest3976-21H222:10:211
902599180,17cyclictest0-21swapper/122:30:351
902599180,16cyclictest3987-21H222:10:211
902599180,16cyclictest0-21swapper/121:36:501
902099182,15cyclictest0-21swapper/022:59:200
9020991816,1cyclictest0-21swapper/000:35:000
9020991814,3cyclictest3985-21H222:10:210
9020991813,2cyclictest4035-21H222:10:210
902099181,15cyclictest3991-21H222:10:210
902099180,2cyclictest4099-21H222:10:210
902099180,2cyclictest3989-21H222:10:210
902099180,2cyclictest3983-21H222:10:210
902099180,2cyclictest3976-21H222:10:210
902099180,2cyclictest3976-21H222:10:210
902099180,2cyclictest2724-21ls19:55:180
902099180,16cyclictest4035-21H222:10:210
902099180,16cyclictest3991-21H222:10:210
902099180,16cyclictest29576-21https23:35:010
902099180,16cyclictest18018-21python321:20:020
902099180,15cyclictest3983-21H222:10:210
902099180,15cyclictest3979-21H222:10:210
9029991715,1cyclictest250852sleep219:38:002
9029991715,1cyclictest169522sleep222:13:132
9029991714,2cyclictest4779-21idleruntime20:55:172
9029991714,2cyclictest455-21plymouthd00:05:012
9029991714,2cyclictest3989-21H222:10:212
9029991714,2cyclictest3987-21H222:10:212
9029991714,2cyclictest3979-21H222:10:212
9029991714,2cyclictest3976-21H222:10:212
9029991714,2cyclictest17776-21cstates19:25:152
9029991714,2cyclictest16303-21/usr/sbin/munin20:20:112
902999171,15cyclictest6645-21cpuspeed_turbos21:55:122
902999171,15cyclictest3991-21H222:10:212
902999170,2cyclictest440-21pzem_energy22:40:202
902999170,2cyclictest3985-21H222:10:212
902999170,2cyclictest3414-21master19:17:462
902999170,2cyclictest29475-21latency22:35:192
902999170,2cyclictest17258-21switchtime21:15:212
902999170,2cyclictest14315-21idleruntime20:15:182
902999170,1cyclictest0-21swapper/223:25:322
902999170,1cyclictest0-21swapper/220:03:062
902999170,1cyclictest0-21swapper/200:13:052
902999170,1cyclictest0-21swapper/200:13:042
902999170,16cyclictest9288-21acpi19:10:122
902999170,16cyclictest455-21plymouthd22:30:212
902999170,16cyclictest3991-21H222:10:212
902999170,16cyclictest3983-21H222:10:212
902999170,16cyclictest3981-21H222:10:212
902999170,16cyclictest3979-21H222:10:212
902999170,16cyclictest30111-21missed_timers00:30:182
902999170,16cyclictest28294-21grep23:30:182
902999170,16cyclictest24480-21expr21:30:132
902999170,16cyclictest2127-21expr22:45:132
902999170,16cyclictest20970-21sort19:30:162
902999170,16cyclictest16586-21fschecks_count23:10:152
902999170,16cyclictest15915-21nfsd400:05:182
902999170,16cyclictest10400-21nfsd422:00:192
902999170,15cyclictest3989-21H222:10:212
902999170,15cyclictest3989-21H222:10:212
902999170,15cyclictest3981-21H222:10:212
902599172,15cyclictest21-21ksoftirqd/120:46:071
9025991715,1cyclictest21-21ksoftirqd/123:50:531
9025991715,1cyclictest0-21swapper/123:17:531
9025991715,1cyclictest0-21swapper/121:20:161
9025991715,1cyclictest0-21swapper/120:28:041
9025991714,2cyclictest3987-21H222:10:211
9025991714,2cyclictest3983-21H222:10:211
9025991714,2cyclictest3983-21H222:10:211
9025991714,2cyclictest3981-21H222:10:211
9025991714,2cyclictest3981-21H222:10:211
9025991714,2cyclictest3976-21H222:10:211
9025991714,2cyclictest325-21latency00:35:181
9025991714,2cyclictest30346-21cpuspeed_turbos23:35:161
9025991714,2cyclictest24880-21sed00:20:241
9025991714,2cyclictest24606-21grep22:25:221
9025991714,2cyclictest16668-21cat21:15:191
9025991714,2cyclictest1505-21/usr/sbin/munin23:40:161
9025991714,2cyclictest1483-21snapd20:50:081
902599171,15cyclictest0-21swapper/100:05:191
902599170,2cyclictest4099-21H222:10:211
902599170,2cyclictest3991-21H222:10:211
902599170,2cyclictest3987-21H222:10:211
902599170,2cyclictest20808-21anvil21:25:241
902599170,2cyclictest1856-21systemd-udevd23:46:521
902599170,2cyclictest1486-21snapd19:27:111
902599170,2cyclictest12146-21tr00:00:151
902599170,1cyclictest0-21swapper/123:59:371
902599170,1cyclictest0-21swapper/120:43:021
902599170,1cyclictest0-21swapper/119:34:031
902599170,16cyclictest4099-21H222:10:211
902599170,16cyclictest29815-21awk19:45:191
902599170,16cyclictest24977-21chrt19:36:311
902599170,16cyclictest21992-21appstreamcli20:30:011
902599170,16cyclictest2069-21systemd-udevd21:08:511
902599170,16cyclictest14776-21netstat20:15:191
902599170,16cyclictest12847-21/usr/sbin/munin21:10:161
902099172,15cyclictest9-21ksoftirqd/023:11:580
9020991715,1cyclictest9-21ksoftirqd/020:30:570
9020991715,1cyclictest9-21ksoftirqd/000:15:130
9020991715,1cyclictest115662sleep021:06:560
9020991715,1cyclictest0-21swapper/023:29:000
9020991715,1cyclictest0-21swapper/022:45:220
9020991714,2cyclictest572-21apache_processe23:40:120
9020991714,2cyclictest5015-21grep23:45:200
9020991714,2cyclictest4099-21H222:10:210
9020991714,2cyclictest31713-21mailstats23:35:240
9020991714,2cyclictest10054-21sed19:10:150
9020991714,1cyclictest0-21swapper/019:30:150
902099171,1cyclictest27312chrt21:46:440
902099170,2cyclictest1348-21lxd21:02:510
902099170,1cyclictest3991-21H222:10:210
902099170,1cyclictest0-21swapper/023:57:040
902099170,16cyclictest4099-21H222:10:210
902099170,16cyclictest3985-21H222:10:210
902099170,16cyclictest3981-21H222:10:210
902099170,16cyclictest31423-21expr19:50:140
902099170,16cyclictest23574-21expr00:20:150
902099170,16cyclictest23455-21expr19:35:150
902099170,16cyclictest21644-21ntpq22:20:180
902099170,16cyclictest21257-21date21:25:010
902099170,16cyclictest13557-21mailstats00:00:220
902099170,16cyclictest13464-21awk19:15:200
902099170,16cyclictest12623-21cron23:05:010
902099170,16cyclictest12225-21cat22:05:140
902099170,15cyclictest3981-21H222:10:210
9029991614,1cyclictest3987-21H222:10:212
9029991614,1cyclictest3987-21H222:10:212
9029991614,1cyclictest2725-21gnome-shell23:45:092
902999160,2cyclictest4035-21H222:10:212
902999160,1cyclictest0-21swapper/220:45:152
9025991614,1cyclictest0-21swapper/122:55:161
9025991614,1cyclictest0-21swapper/119:50:211
9025991614,1cyclictest0-21swapper/119:40:141
9025991613,2cyclictest24185-21runrttasks23:25:131
902599160,2cyclictest26234-21expr00:25:151
902599160,15cyclictest5391-21expr22:50:121
902599160,15cyclictest5391-21expr22:50:121
902599160,15cyclictest3981-21H222:10:211
902599160,15cyclictest3981-21H222:10:211
902599160,15cyclictest0-21swapper/122:45:161
902599160,15cyclictest0-21swapper/122:35:141
9020991614,1cyclictest16011-21nfsd400:05:180
9020991614,1cyclictest0-21swapper/022:00:130
9020991613,2cyclictest6791-21expr23:50:160
902099160,1cyclictest1484-21snapd20:00:100
902099160,15cyclictest455-21plymouthd21:30:140
902099160,15cyclictest3989-21H222:10:210
902099160,15cyclictest3983-21H222:10:210
902099160,15cyclictest17704-21ntp_offset20:20:180
902099160,15cyclictest0-21swapper/022:10:170
902099160,15cyclictest0-21swapper/020:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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