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2026-03-20 - 16:53
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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 Mar 20, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1464599241,19cyclictest16964-21sed10:05:000
1464599221,17cyclictest0-21swapper/008:15:010
14647992113,7cyclictest870-21systemd-logind09:28:522
1464799210,20cyclictest870-21systemd-logind08:48:522
1464799210,18cyclictest0-21swapper/207:34:112
14645992113,4cyclictest0-21swapper/012:32:190
1464599204,1cyclictest0-21swapper/011:55:430
1464599204,15cyclictest0-21swapper/008:28:560
14645992016,1cyclictest0-21swapper/011:25:180
1464799193,15cyclictest3208-21JS22:10:212
14647991917,1cyclictest28-21ksoftirqd/207:17:382
14647991916,2cyclictest21898-21cpuspeed_turbos11:10:132
14647991914,3cyclictest0-21swapper/208:11:042
1464699192,2cyclictest30871-21proc_pri07:35:181
1464699192,16cyclictest14638-21grep10:00:141
1464599193,1cyclictest0-21swapper/011:05:140
1464599190,18cyclictest843-21systemd-network08:16:120
1464599190,18cyclictest0-21swapper/012:27:220
1464799182,15cyclictest0-21swapper/209:20:152
14647991815,2cyclictest29810-21expr07:35:142
14647991815,2cyclictest14078-21nfsd410:55:172
1464799180,3cyclictest3058-21rs:main2
1464799180,17cyclictest0-21swapper/208:55:172
1464699182,1cyclictest14014-21chrt09:59:501
1464699182,15cyclictest5185-21sensors_temp09:40:211
14646991816,1cyclictest149922chrt09:02:391
14646991814,3cyclictest3030-21gmain08:15:211
14646991814,2cyclictest0-21swapper/107:20:011
1464599182,15cyclictest26436-21date07:30:010
14645991816,1cyclictest3201-21JS22:10:210
14645991816,1cyclictest0-21swapper/007:32:090
14645991815,2cyclictest11351-21nfsd410:50:170
14645991812,5cyclictest0-21swapper/010:05:210
14647991715,1cyclictest273272sleep208:29:022
14647991715,1cyclictest0-21swapper/210:30:152
14647991715,1cyclictest0-21swapper/208:50:162
14647991714,2cyclictest3414-21master12:07:052
14647991714,2cyclictest25312-21nfsd407:25:182
14647991714,2cyclictest18800-21systemctl10:05:232
14647991714,2cyclictest13175-21ls09:00:132
14647991714,2cyclictest11113-21bounce11:47:202
14647991714,2cyclictest0-21swapper/210:50:212
1464799171,15cyclictest28-21ksoftirqd/210:00:002
1464799171,15cyclictest21911-21latency07:20:162
1464799170,2cyclictest9714-21cron10:50:002
1464799170,2cyclictest5601-21lxd07:40:422
1464799170,2cyclictest399-20systemd-journal11:09:562
1464799170,2cyclictest30695-21idleruntime11:25:162
1464799170,2cyclictest2886-21iscsid09:50:192
1464799170,2cyclictest16017-21cleanup08:06:282
1464799170,16cyclictest993-21dbus-daemon10:25:182
1464799170,16cyclictest7518-21awk11:40:162
1464799170,16cyclictest5942-21cut07:50:112
1464799170,16cyclictest5942-21cut07:50:112
1464799170,16cyclictest426-21systemd-udevd09:13:522
1464799170,16cyclictest400-21tr09:35:142
1464799170,16cyclictest3646-21fschecks_time07:45:162
1464799170,16cyclictest28603-21ntpq11:20:192
1464799170,16cyclictest28603-21ntpq11:20:182
1464799170,16cyclictest27937-21perf12:20:002
1464799170,16cyclictest26219-21fschecks_count10:20:142
1464799170,16cyclictest23992-21needreboot10:15:172
1464799170,16cyclictest23884-21runrttasks09:18:252
1464799170,16cyclictest23528-21needreboot08:20:172
1464799170,16cyclictest1785-21fschecks_count08:40:132
1464799170,16cyclictest16743-21snapd08:17:482
1464799170,16cyclictest16115-21sort11:55:202
1464799170,16cyclictest11095-21latency_hist08:00:012
1464799170,16cyclictest0-21swapper/212:35:442
1464799170,16cyclictest0-21swapper/211:40:002
1464799170,15cyclictest0-21swapper/210:40:122
1464699172,15cyclictest21-21ksoftirqd/107:14:321
14646991714,2cyclictest30238-21latency_hist08:35:001
14646991714,2cyclictest29304-21latency10:25:151
14646991714,2cyclictest23032-21fschecks_time08:20:141
14646991714,2cyclictest2108-21grep10:35:151
14646991714,2cyclictest16223-21tr09:05:151
14646991714,2cyclictest0-21swapper/109:50:121
14646991713,3cyclictest0-21swapper/109:27:591
1464699171,1cyclictest1782-21pluginstate11:30:201
1464699171,15cyclictest3207-21JS22:10:211
1464699171,15cyclictest23669-21if_enp1s012:10:151
1464699171,15cyclictest0-21swapper/109:15:121
1464699170,2cyclictest4948-21expr12:35:131
1464699170,2cyclictest30276-21cat11:25:131
1464699170,1cyclictest3987-21H222:10:211
1464699170,1cyclictest0-21swapper/108:55:141
1464699170,16cyclictest4099-21H222:10:211
1464699170,16cyclictest4099-21H222:10:211
1464699170,16cyclictest4036-21H222:10:211
1464699170,16cyclictest32186-21switchtime08:35:211
1464699170,16cyclictest2882-21munin-run09:40:011
1464699170,16cyclictest28512-21cpuspeed_turbos12:20:121
1464699170,16cyclictest26299-21fw_packets12:15:131
1464699170,16cyclictest21160-21memory10:10:171
1464699170,16cyclictest21123-21needreboot12:05:141
1464699170,16cyclictest2007-21systemd-journal08:46:341
1464699170,16cyclictest19090-21http_loadtime11:05:141
1464699170,16cyclictest1864-21expr12:30:121
1464699170,16cyclictest17402-21cat08:10:131
1464699170,16cyclictest16536-21kernelversion11:00:151
1464699170,16cyclictest13536-21timerandwakeup11:50:211
1464699170,16cyclictest12719-21ps08:00:201
1464699170,16cyclictest1035-21thermald09:45:201
1464599177,4cyclictest4944-21cpuspeed_turbos10:40:120
14645991714,2cyclictest8127-21hddtemp_smartct10:45:140
14645991714,2cyclictest18600-21ntpq12:00:190
14645991714,2cyclictest18499-21idleruntime07:15:140
1464599171,15cyclictest0-21swapper/011:30:140
1464599170,2cyclictest3979-21H222:10:210
1464599170,2cyclictest28501-21cpuspeed_turbos10:25:120
1464599170,2cyclictest2069-21systemd-udevd07:48:520
1464599170,2cyclictest16295-21/usr/sbin/munin11:00:130
1464599170,2cyclictest12848-21/usr/sbin/munin10:55:140
1464599170,16cyclictest6225-21expr07:50:120
1464599170,16cyclictest6225-21expr07:50:120
1464599170,16cyclictest4814-21awk09:40:190
1464599170,16cyclictest4099-21H222:10:210
1464599170,16cyclictest4029-21munin-plugin-st08:45:010
1464599170,16cyclictest3351-21lxd12:36:420
1464599170,16cyclictest31903-21awk07:40:010
1464599170,16cyclictest28649-21if_enp1s008:30:160
1464599170,16cyclictest1517-21lxd08:06:420
1464599170,16cyclictest13010-21grep09:55:170
1464599170,16cyclictest12515-21gpgv09:00:020
14647991614,1cyclictest31055-21/usr/sbin/munin12:25:142
14647991614,1cyclictest1274-21runrttasks10:00:032
14647991614,1cyclictest0-21swapper/212:00:162
14647991614,1cyclictest0-21swapper/210:35:172
14647991614,1cyclictest0-21swapper/209:45:132
14647991614,1cyclictest0-21swapper/209:30:132
14647991614,1cyclictest0-21swapper/208:30:142
14647991614,1cyclictest0-21swapper/207:10:112
14647991613,2cyclictest3351-21lxd12:30:422
14647991613,2cyclictest17508-21nvmesmart_nvme009:05:202
1464799160,1cyclictest30585-21postgres12:24:182
1464799160,15cyclictest30536-21/usr/sbin/munin08:35:202
1464799160,15cyclictest15619-21apache_volume11:00:102
1464799160,15cyclictest11736-21ls08:00:132
1464799160,15cyclictest0-21swapper/212:10:132
1464799160,15cyclictest0-21swapper/211:50:142
1464799160,15cyclictest0-21swapper/211:30:142
1464799160,15cyclictest0-21swapper/211:15:212
14646991614,1cyclictest9968-21latency_hist10:50:001
14646991614,1cyclictest0-21swapper/112:00:461
14646991614,1cyclictest0-21swapper/111:40:191
14646991614,1cyclictest0-21swapper/110:30:121
14646991614,1cyclictest0-21swapper/110:21:511
14646991614,1cyclictest0-21swapper/109:20:121
14646991614,1cyclictest0-21swapper/108:40:121
14646991614,1cyclictest0-21swapper/108:25:131
14646991614,1cyclictest0-21swapper/107:30:171
14646991613,2cyclictest1351-21lxd07:46:421
1464699160,2cyclictest26119-21sed11:15:221
1464699160,2cyclictest17704-21expr10:05:171
1464699160,2cyclictest10676-21expr10:50:131
1464699160,1cyclictest0-21swapper/111:55:151
1464699160,1cyclictest0-21swapper/111:35:171
1464699160,15cyclictest3983-21H222:10:211
1464699160,15cyclictest27663-21cat11:20:141
1464699160,15cyclictest27663-21cat11:20:141
1464699160,15cyclictest19548-21expr09:10:141
1464699160,15cyclictest160852chrt08:07:211
1464699160,15cyclictest0-21swapper/112:25:141
1464699160,15cyclictest0-21swapper/110:55:141
1464699160,15cyclictest0-21swapper/110:40:091
1464699160,15cyclictest0-21swapper/108:50:221
1464699160,15cyclictest0-21swapper/107:25:211
14645991615,1cyclictest9-21ksoftirqd/007:58:430
14645991614,1cyclictest9656-21apache_accesses08:55:120
14645991614,1cyclictest26633-21load12:15:150
14645991614,1cyclictest0-21swapper/012:10:150
14645991614,1cyclictest0-21swapper/012:05:100
14645991614,1cyclictest0-21swapper/011:35:130
14645991614,1cyclictest0-21swapper/011:10:050
14645991614,1cyclictest0-21swapper/010:30:120
14645991614,1cyclictest0-21swapper/010:10:140
14645991614,1cyclictest0-21swapper/009:45:130
14645991614,1cyclictest0-21swapper/009:05:010
14645991614,1cyclictest0-21swapper/008:35:130
14645991614,1cyclictest0-21swapper/007:10:100
14645991614,0cyclictest0-21swapper/008:20:160
14645991613,2cyclictest7738-21/usr/sbin/munin08:50:170
1464599160,1cyclictest3450-21gsd-color10:20:130
1464599160,1cyclictest25595-21/usr/sbin/munin11:15:180
1464599160,15cyclictest9726-21/usr/sbin/munin11:45:140
1464599160,15cyclictest8051-21sed11:40:190
1464599160,15cyclictest4575-21expr08:45:130
1464599160,15cyclictest32011-21chrt09:32:350
1464599160,15cyclictest2921-21ntpq10:35:170
1464599160,15cyclictest22316-21ntp_states07:20:170
1464599160,15cyclictest21092-21chrt09:12:400
1464599160,15cyclictest0-21swapper/012:20:150
1464599160,15cyclictest0-21swapper/010:20:000
1464599160,15cyclictest0-21swapper/009:53:440
1464599160,15cyclictest0-21swapper/009:25:220
1464599160,15cyclictest0-21swapper/009:20:130
1464599160,15cyclictest0-21swapper/009:15:180
1464599160,15cyclictest0-21swapper/008:01:000
14646991514,1cyclictest0-21swapper/111:45:121
14646991514,1cyclictest0-21swapper/110:20:001
1464699150,15cyclictest30536-21fschecks_count09:30:141
14645991513,1cyclictest0-21swapper/011:20:110
14645991513,1cyclictest0-21swapper/011:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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