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2026-05-02 - 10:19
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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 100 highest latencies:
System rackdslot0.osadl.org (updated Sat May 02, 2026 00:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5179993432,1cyclictest0-21swapper/122:00:121
5179993331,2cyclictest0-21swapper/121:23:561
5179992525,0cyclictest0-21swapper/123:45:181
5179992422,1cyclictest3157-21mii-tool21:00:151
5179992313,9cyclictest870-21systemd-logind00:38:511
517899236,2cyclictest23107-21latency_hist00:29:590
5180992219,2cyclictest29972-21sed20:50:152
5178992113,4cyclictest0-21swapper/021:25:010
5180992018,1cyclictest0-21swapper/222:35:152
517899205,1cyclictest9-21ksoftirqd/019:54:340
517899204,15cyclictest0-21swapper/023:27:490
517899204,15cyclictest0-21swapper/020:42:020
517899203,2cyclictest4071-21date23:55:010
5178992016,3cyclictest27499-21sh19:50:010
5178992016,3cyclictest27499-21sh19:50:000
518099193,1cyclictest0-21swapper/223:24:302
518099190,18cyclictest4035-21H222:10:212
518099190,18cyclictest14550-21snapd23:32:572
5179991914,4cyclictest399-20systemd-journal21:37:331
5179991913,5cyclictest426-21systemd-udevd23:38:511
517999190,3cyclictest0-21swapper/121:07:341
517999190,1cyclictest0-21swapper/123:00:151
517999190,18cyclictest426-21systemd-udevd20:34:521
517899199,0cyclictest0-21swapper/021:10:150
5178991917,1cyclictest8916-21timerwakeupswit20:10:210
517899191,17cyclictest0-21swapper/021:10:000
517899190,1cyclictest0-21swapper/022:45:120
517899190,18cyclictest0-21swapper/021:35:160
518099182,1cyclictest0-21swapper/219:50:052
518099182,15cyclictest0-21swapper/220:28:262
5180991817,1cyclictest0-21swapper/223:00:012
5180991815,1cyclictest0-21swapper/223:50:332
5180991814,3cyclictest32140-21pzem_voltage21:50:192
5180991814,3cyclictest0-21swapper/223:15:182
518099181,16cyclictest31929-21nfsd419:55:182
518099181,16cyclictest25963-21if_enp1s021:40:152
518099181,15cyclictest3983-21H222:10:212
518099180,2cyclictest4035-21H222:10:212
518099180,2cyclictest4035-21H222:10:212
518099180,17cyclictest26599-21nvmesmart_nvme019:45:172
518099180,17cyclictest26599-21nvmesmart_nvme019:45:172
518099180,17cyclictest0-21swapper/222:00:142
518099180,15cyclictest0-21swapper/220:55:122
5179991817,1cyclictest21-21ksoftirqd/121:29:261
5179991816,1cyclictest0-21swapper/123:32:461
5179991815,2cyclictest1856-21systemd-udevd23:10:521
5179991814,3cyclictest0-21swapper/123:15:131
5179991814,2cyclictest10929-21https19:20:021
5179991814,2cyclictest10929-21https19:20:021
5179991813,4cyclictest0-21swapper/119:50:151
517999181,16cyclictest22056-21grep20:35:171
517999181,16cyclictest0-21swapper/100:26:151
517999180,3cyclictest3983-21H222:10:211
517999180,17cyclictest6904-21nvmesmart_nvme019:10:191
517999180,17cyclictest399-20systemd-journal00:20:011
517999180,17cyclictest3983-21H222:10:211
517999180,17cyclictest3983-21H222:10:211
517999180,16cyclictest4035-21H222:10:211
517899182,15cyclictest27278-21ls20:45:170
517899182,15cyclictest0-21swapper/023:40:120
5178991815,2cyclictest4035-21H222:10:210
5178991815,1cyclictest0-21swapper/020:30:130
517899180,1cyclictest0-21swapper/023:32:290
517899180,17cyclictest0-21swapper/022:05:120
517899180,16cyclictest2007-21systemd-journal22:50:020
5180991715,1cyclictest3983-21H222:10:212
5180991715,1cyclictest140692sleep219:25:032
5180991715,1cyclictest0-21swapper/222:10:162
5180991715,1cyclictest0-21swapper/221:45:122
5180991715,1cyclictest0-21swapper/220:40:132
5180991715,1cyclictest0-21swapper/200:35:122
5180991714,2cyclictest5856-21expr23:00:152
5180991714,2cyclictest3985-21H222:10:212
5180991714,2cyclictest3983-21H222:10:212
5180991714,2cyclictest27562-21nfsd422:40:162
5180991714,2cyclictest27319-21cron23:39:012
5180991714,2cyclictest22704-21chrt22:31:082
5180991714,2cyclictest2018-21latency21:55:172
5180991714,2cyclictest2018-21latency21:55:172
5180991714,1cyclictest0-21swapper/222:50:162
518099171,2cyclictest28722-21mii-tool23:40:152
518099170,2cyclictest8439-21apache_processe23:05:102
518099170,2cyclictest7617-21date22:05:152
518099170,2cyclictest3989-21H222:10:212
518099170,2cyclictest3983-21H222:10:212
518099170,2cyclictest21487-21vmstat23:25:232
518099170,2cyclictest18170-21nfsd419:30:182
518099170,2cyclictest15242-21/usr/sbin/munin22:20:192
518099170,2cyclictest13665-21basename23:15:002
518099170,2cyclictest13237-21fschecks_time00:10:142
518099170,1cyclictest0-21swapper/220:00:192
518099170,1cyclictest0-21swapper/200:00:212
518099170,16cyclictest843-21systemd-network21:36:582
518099170,16cyclictest6416-21latency_hist00:00:002
518099170,16cyclictest4099-21H222:10:212
518099170,16cyclictest3979-21H222:10:212
518099170,16cyclictest21100-21/usr/sbin/munin21:30:202
518099170,16cyclictest14650-21latency21:20:162
518099170,16cyclictest14500-21snapd20:35:432
518099170,16cyclictest13200-21cron21:20:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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