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2026-06-05 - 09:29
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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 Fri Jun 05, 2026 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1713992414,7cyclictest3789-21cpuspeed_turbos22:05:130
171699225,13cyclictest0-21swapper/219:10:122
1715992219,2cyclictest26616-21tlsmgr20:29:121
1713992216,5cyclictest0-21swapper/019:50:010
1713992213,7cyclictest4099-21H222:10:210
171699210,20cyclictest843-21systemd-network00:00:012
1716992014,5cyclictest0-21swapper/221:35:052
171699200,17cyclictest2007-21systemd-journal21:17:342
171399203,11cyclictest20989-21munin-run00:30:000
171399201,5cyclictest0-21swapper/023:00:180
171699194,1cyclictest28-21ksoftirqd/220:36:032
171699193,15cyclictest0-21swapper/223:28:552
171699192,1cyclictest0-21swapper/221:50:182
1716991917,1cyclictest0-21swapper/223:08:372
1716991916,2cyclictest27270-21munin-plugin-st21:50:012
171699190,3cyclictest0-21swapper/222:35:372
171699190,2cyclictest4099-21H222:10:212
171699190,2cyclictest3987-21H222:10:212
171699190,16cyclictest4035-21H222:10:212
171699190,16cyclictest4035-21H222:10:212
171699190,16cyclictest3987-21H222:10:212
171699190,16cyclictest3987-21H222:10:212
171599193,15cyclictest0-21swapper/120:33:301
171599190,2cyclictest3983-21H222:10:211
171599190,16cyclictest3987-21H222:10:211
171599190,16cyclictest3976-21H222:10:211
171399192,16cyclictest5364-21awk00:00:150
1713991917,1cyclictest9-21ksoftirqd/022:14:160
1713991915,3cyclictest32692-21plymouth23:50:210
1713991910,8cyclictest0-21swapper/021:40:010
171399190,2cyclictest3983-21H222:10:210
171399190,17cyclictest0-21swapper/022:20:180
171699183,9cyclictest32299-21python320:05:022
171699182,15cyclictest0-21swapper/200:10:362
1716991814,3cyclictest15647-21cron19:35:012
171699180,3cyclictest3991-21H222:10:212
171699180,2cyclictest3987-21H222:10:212
171699180,2cyclictest3976-21H222:10:212
171699180,2cyclictest30291-21cpuspeed_turbos21:55:152
171699180,17cyclictest3987-21H222:10:212
171699180,16cyclictest4099-21H222:10:212
171699180,16cyclictest3976-21H222:10:212
171699180,16cyclictest0-21swapper/200:25:232
171699180,15cyclictest0-21swapper/219:38:052
171599183,1cyclictest21-21ksoftirqd/120:55:421
1715991816,1cyclictest0-21swapper/122:35:301
171599181,2cyclictest4746-21cat20:10:141
171599181,16cyclictest3989-21H222:10:211
171599180,3cyclictest3983-21H222:10:211
171599180,2cyclictest3989-21H222:10:211
171599180,2cyclictest3987-21H222:10:211
171599180,2cyclictest3983-21H222:10:211
171599180,2cyclictest3976-21H222:10:211
171599180,17cyclictest4035-21H222:10:211
171599180,16cyclictest3991-21H222:10:211
171599180,16cyclictest3991-21H222:10:211
171599180,15cyclictest3991-21H222:10:211
171599180,15cyclictest3985-21H222:10:211
171599180,15cyclictest3981-21H222:10:211
1713991816,1cyclictest9-21ksoftirqd/021:33:420
1713991816,1cyclictest455-21plymouthd00:35:430
1713991816,1cyclictest0-21swapper/023:30:140
1713991816,1cyclictest0-21swapper/023:10:020
1713991816,1cyclictest0-21swapper/022:30:210
1713991816,1cyclictest0-21swapper/000:24:030
1713991814,3cyclictest3982-21H222:10:210
1713991814,3cyclictest3981-21H222:10:210
1713991814,3cyclictest3981-21H222:10:210
1713991814,3cyclictest25742-21awk19:50:170
1713991814,3cyclictest22415-21expr21:40:140
1713991814,3cyclictest21667-21ntp_kernel_pll_22:35:170
1713991814,3cyclictest16593-21cat23:25:000
1713991813,4cyclictest15644-21cron19:35:010
1713991813,4cyclictest0-21swapper/022:16:450
171399181,2cyclictest4035-21H222:10:210
171399181,16cyclictest8232-21mailstats20:15:200
171399180,3cyclictest3991-21H222:10:210
171399180,17cyclictest5171-21awk20:10:160
171399180,17cyclictest3976-21H222:10:210
1716991715,1cyclictest28-21ksoftirqd/222:31:052
1716991715,1cyclictest0-21swapper/220:55:052
1716991714,2cyclictest455-21plymouthd00:17:042
1716991714,2cyclictest3991-21H222:10:212
1716991714,2cyclictest3985-21H222:10:212
1716991714,2cyclictest28504-21tr19:55:172
1716991714,2cyclictest28014-21smtp22:47:212
1716991714,2cyclictest21727-21nfsd420:40:172
1716991714,2cyclictest14515-21cat21:25:172
1716991714,2cyclictest10632-21nfsd420:20:182
1716991714,2cyclictest1035-21thermald20:25:212
1716991713,1cyclictest0-21swapper/219:45:132
171699171,1cyclictest4099-21H222:10:212
171699170,2cyclictest4035-21H222:10:212
171699170,2cyclictest4035-21H222:10:212
171699170,2cyclictest3991-21H222:10:212
171699170,2cyclictest3983-21H222:10:212
171699170,2cyclictest3981-21H222:10:212
171699170,2cyclictest3976-21H222:10:212
171699170,2cyclictest3450-21gsd-color23:40:152
171699170,2cyclictest28979-21expr22:50:152
171699170,2cyclictest2581-21cat21:05:142
171699170,2cyclictest24476-21/usr/sbin/munin00:35:152
171699170,1cyclictest0-21swapper/222:15:212
171699170,16cyclictest7269-21fschecks_count22:10:142
171699170,16cyclictest5156-21nfsd420:10:152
171699170,16cyclictest4035-21H222:10:212
171699170,16cyclictest3991-21H222:10:212
171699170,16cyclictest3989-21H222:10:212
171699170,16cyclictest3989-21H222:10:212
171699170,16cyclictest3983-21H222:10:212
171699170,16cyclictest3979-21H222:10:212
171699170,16cyclictest3976-21H222:10:212
171699170,16cyclictest3976-21H222:10:212
171699170,16cyclictest2304-21readlink20:05:212
171699170,16cyclictest17997-21systemctl21:30:222
171699170,16cyclictest11088-21cpuspeed_turbos21:20:142
171699170,16cyclictest0-21swapper/200:05:062
1715991714,2cyclictest4099-21H222:10:211
1715991714,2cyclictest4099-21H222:10:211
1715991714,2cyclictest3983-21H222:10:211
1715991714,2cyclictest28870-21ntpq21:50:191
1715991714,2cyclictest26038-21sensors00:35:231
1715991714,2cyclictest2306-21ls23:55:161
1715991714,2cyclictest17395-21nfsd419:35:181
1715991714,2cyclictest10791-21ntpq20:20:181
1715991714,2cyclictest0-21swapper/122:21:411
1715991714,1cyclictest0-21swapper/120:35:171
1715991713,3cyclictest3981-21H222:10:211
171599171,1cyclictest21-21ksoftirqd/100:15:211
171599170,2cyclictest7531-21latency_hist23:10:001
171599170,2cyclictest4099-21H222:10:211
171599170,2cyclictest4099-21H222:10:211
171599170,2cyclictest3989-21H222:10:211
171599170,2cyclictest3989-21H222:10:211
171599170,2cyclictest3983-21H222:10:211
171599170,2cyclictest3981-21H222:10:211
171599170,2cyclictest26666-21idleruntime22:45:161
171599170,2cyclictest14595-21awk19:30:171
171599170,1cyclictest3989-21H222:10:211
171599170,1cyclictest3989-21H222:10:211
171599170,1cyclictest0-21swapper/121:20:141
171599170,1cyclictest0-21swapper/120:50:141
171599170,1cyclictest0-21swapper/119:16:491
171599170,16cyclictest8943-21grep23:10:151
171599170,16cyclictest6094-21ps00:00:191
171599170,16cyclictest4099-21H222:10:211
171599170,16cyclictest3989-21H222:10:211
171599170,16cyclictest3985-21H222:10:211
171599170,16cyclictest3053-21systemd-logind21:46:521
171599170,16cyclictest30324-21cpuspeed_turbos21:55:141
171599170,16cyclictest11577-21expr23:15:131
171599170,16cyclictest0-21swapper/122:00:351
171399172,1cyclictest9-21ksoftirqd/023:55:200
1713991715,1cyclictest0-21swapper/021:06:210
1713991715,1cyclictest0-21swapper/020:30:140
1713991714,2cyclictest23552-21cat20:45:130
1713991714,2cyclictest2333-21systemctl20:05:200
1713991713,3cyclictest0-21swapper/020:25:140
171399171,15cyclictest9-21ksoftirqd/021:25:150
171399171,15cyclictest9-21ksoftirqd/020:40:120
171399171,15cyclictest9-21ksoftirqd/019:25:210
171399171,15cyclictest28513-21sed21:50:170
171399171,15cyclictest11578-21awk00:10:170
171399171,15cyclictest0-21swapper/022:40:210
171399171,15cyclictest0-21swapper/022:25:140
171399171,15cyclictest0-21swapper/021:55:150
171399170,2cyclictest6211-21sed19:15:160
171399170,2cyclictest455-21plymouthd21:05:010
171399170,2cyclictest4035-21H222:10:210
171399170,2cyclictest3987-21H222:10:210
171399170,2cyclictest28904-21expr20:55:110
171399170,1cyclictest3989-21H222:10:210
171399170,16cyclictest9434-21fgrep19:20:200
171399170,16cyclictest4099-21H222:10:210
171399170,16cyclictest3991-21H222:10:210
171399170,16cyclictest3991-21H222:10:210
171399170,16cyclictest3987-21H222:10:210
171399170,16cyclictest3983-21H222:10:210
171399170,16cyclictest3979-21H222:10:210
171399170,16cyclictest3170-21sed19:10:170
171399170,16cyclictest28979-21sort19:55:210
171399170,16cyclictest25430-21grep21:45:140
171399170,15cyclictest3985-21H222:10:210
171399170,15cyclictest3979-21H222:10:210
171699160,2cyclictest20939-21awk23:30:172
1715991614,1cyclictest0-21swapper/121:35:131
1715991614,1cyclictest0-21swapper/121:05:011
1715991614,1cyclictest0-21swapper/121:00:171
1715991614,1cyclictest0-21swapper/120:45:131
1715991614,1cyclictest0-21swapper/120:05:041
1715991613,2cyclictest21001-21expr20:40:131
171599160,1cyclictest3351-21lxd21:34:521
171599160,15cyclictest3983-21H222:10:211
171599160,15cyclictest29004-21sort23:45:151
171599160,15cyclictest29004-21sort23:45:151
171599160,15cyclictest0-21swapper/121:45:001
171599160,15cyclictest0-21swapper/119:40:141
1713991614,1cyclictest9-21ksoftirqd/020:20:130
1713991613,2cyclictest3983-21H222:10:210
171399160,15cyclictest9-21ksoftirqd/023:25:120
171399160,15cyclictest0-21swapper/022:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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