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2025-12-12 - 06:41
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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 376 highest latencies:
System rackdslot0.osadl.org (updated Fri Dec 12, 2025 00:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
612999230,5cyclictest0-21swapper/222:34:342
6120992314,5cyclictest0-21swapper/019:22:580
612699223,11cyclictest4565-21PluginScanner23:14:591
612699220,18cyclictest0-21swapper/119:36:041
6120992117,3cyclictest0-21swapper/000:38:150
612999204,9cyclictest0-21swapper/223:40:252
6129992016,1cyclictest0-21swapper/221:52:462
6120992017,2cyclictest4526-21H212:26:330
612999191,17cyclictest0-21swapper/223:15:182
612999190,2cyclictest4581-21H212:26:332
612999190,2cyclictest4523-21H212:26:332
612999190,18cyclictest0-21swapper/221:02:392
612999190,17cyclictest17701-21nvmesmart_nvme022:15:212
612999190,16cyclictest4536-21H212:26:332
6126991917,1cyclictest21-21ksoftirqd/100:29:331
6126991917,1cyclictest0-21swapper/121:17:051
612699190,2cyclictest4581-21H212:26:331
612699190,2cyclictest4536-21H212:26:331
612699190,16cyclictest21496-21cat21:30:001
612099192,16cyclictest14850-21grep22:10:190
6120991917,1cyclictest0-21swapper/021:12:460
612099190,2cyclictest4534-21H212:26:330
612099190,16cyclictest4593-21H212:26:330
612099190,16cyclictest4530-21H212:26:330
612999182,15cyclictest0-21swapper/220:01:372
6129991816,1cyclictest0-21swapper/219:22:452
6129991815,2cyclictest4534-21H212:26:332
6129991814,3cyclictest893-21systemd-logind21:32:082
6129991814,3cyclictest4593-21H212:26:332
6129991814,3cyclictest1011-21nvmesmart_nvme019:55:202
6129991814,2cyclictest4532-21H212:26:332
6129991814,1cyclictest0-21swapper/221:12:172
612999181,2cyclictest997-21thermald20:58:092
612999181,2cyclictest30217-21latency_hist00:35:002
612999181,2cyclictest22090-21nfsd419:35:192
612999181,2cyclictest10345-21cut19:15:192
612999180,3cyclictest414-20systemd-journal20:10:022
612999180,2cyclictest4534-21H212:26:332
612999180,17cyclictest1-21systemd20:39:002
612999180,17cyclictest0-21swapper/219:49:562
612999180,15cyclictest4523-21H212:26:332
612699182,7cyclictest0-21swapper/122:55:221
612699182,7cyclictest0-21swapper/122:55:221
6126991817,1cyclictest21-21ksoftirqd/123:51:561
6126991816,1cyclictest21-21ksoftirqd/119:15:461
6126991816,1cyclictest0-21swapper/120:09:571
6126991814,3cyclictest4526-21H212:26:331
6126991814,3cyclictest4526-21H212:26:331
612699181,16cyclictest4581-21H212:26:331
612699180,2cyclictest4593-21H212:26:331
612699180,2cyclictest4581-21H212:26:331
612699180,2cyclictest4528-21H212:26:331
612699180,2cyclictest4523-21H212:26:331
612699180,17cyclictest4538-21H212:26:331
612699180,17cyclictest4536-21H212:26:331
612699180,17cyclictest4532-21H212:26:331
612699180,15cyclictest4528-21H212:26:331
612099182,15cyclictest0-21swapper/023:08:200
6120991817,0cyclictest0-21swapper/022:25:120
6120991816,1cyclictest0-21swapper/022:05:270
6120991815,2cyclictest855-21awk19:55:180
6120991815,2cyclictest0-21swapper/021:15:490
612099180,3cyclictest454-21plymouthd19:35:140
612099180,2cyclictest4530-21H212:26:330
612099180,16cyclictest4534-21H212:26:330
612099180,15cyclictest4528-21H212:26:330
612999172,15cyclictest0-21swapper/223:20:172
612999172,15cyclictest0-21swapper/223:20:172
6129991714,2cyclictest4581-21H212:26:332
6129991714,2cyclictest4538-21H212:26:332
6129991714,2cyclictest4528-21H212:26:332
6129991714,2cyclictest4528-21H212:26:332
6129991714,2cyclictest3350-21master19:51:022
6129991714,2cyclictest30123-21/usr/sbin/munin22:40:172
6129991714,2cyclictest301-21pzem_power20:50:232
6129991714,2cyclictest30001-21snapd23:09:152
6129991714,2cyclictest25940-21pzem_energy21:35:182
6129991714,2cyclictest24832-21memory19:40:192
6129991714,2cyclictest18951-21sshd00:12:192
6129991714,2cyclictest0-21swapper/200:06:012
612999171,1cyclictest0-21swapper/222:50:212
612999170,2cyclictest4593-21H212:26:332
612999170,2cyclictest4534-21H212:26:332
612999170,2cyclictest4532-21H212:26:332
612999170,2cyclictest4532-21H212:26:332
612999170,2cyclictest4530-21H212:26:332
612999170,2cyclictest4530-21H212:26:332
612999170,2cyclictest4526-21H212:26:332
612999170,2cyclictest30007-21snapd19:31:492
612999170,2cyclictest28246-21sed22:35:172
612999170,1cyclictest0-21swapper/219:25:132
612999170,16cyclictest9236-21grep23:00:182
612999170,16cyclictest7620-21nfsd419:10:192
612999170,16cyclictest6579-21grep22:55:162
612999170,16cyclictest6579-21grep22:55:152
612999170,16cyclictest4538-21H212:26:332
612999170,16cyclictest4530-21H212:26:332
612999170,16cyclictest4528-21H212:26:332
612999170,16cyclictest32396-21timerwakeupswit00:35:272
612999170,16cyclictest30581-21nfsd423:35:182
612999170,16cyclictest29144-21fschecks_time20:45:192
612999170,16cyclictest29144-21fschecks_time20:45:182
612999170,16cyclictest28816-21cron23:35:012
612999170,16cyclictest25098-21egrep00:25:172
612999170,15cyclictest4523-21H212:26:332
612699172,15cyclictest21-21ksoftirqd/123:33:031
6126991715,1cyclictest0-21swapper/119:50:231
6126991714,2cyclictest4739-21cstates21:55:191
6126991714,2cyclictest4593-21H212:26:331
6126991714,2cyclictest4593-21H212:26:331
6126991714,2cyclictest454-21plymouthd22:02:311
6126991714,2cyclictest454-21plymouthd22:02:301
6126991714,2cyclictest4530-21H212:26:331
6126991714,2cyclictest4523-21H212:26:331
6126991714,2cyclictest28431-21/usr/sbin/munin00:30:191
6126991714,2cyclictest19614-21proc_pri19:30:201
6126991714,2cyclictest17808-21sendmail_mailst21:20:241
6126991714,2cyclictest14770-21netstat22:10:191
6126991714,2cyclictest13325-21nvmesmart_nvme020:15:191
6126991714,2cyclictest0-21swapper/120:11:181
612699171,2cyclictest1737-21timerwakeupswit23:40:201
612699171,1cyclictest0-21swapper/120:26:421
612699170,2cyclictest4593-21H212:26:331
612699170,2cyclictest4526-21H212:26:331
612699170,2cyclictest4523-21H212:26:331
612699170,2cyclictest414-20systemd-journal19:48:221
612699170,2cyclictest15921-21grep20:20:201
612699170,1cyclictest4526-21H212:26:331
612699170,1cyclictest4526-21H212:26:331
612699170,16cyclictest4593-21H212:26:331
612699170,16cyclictest4538-21H212:26:331
612699170,16cyclictest4536-21H212:26:331
612699170,16cyclictest4532-21H212:26:331
612699170,16cyclictest4523-21H212:26:331
612699170,16cyclictest31686-21pzem_power22:40:211
612699170,16cyclictest24610-21cpuspeed_turbos21:35:121
612699170,16cyclictest21950-21nfsd423:20:221
612699170,16cyclictest21950-21nfsd423:20:211
612699170,16cyclictest1879-21cat21:50:211
612699170,16cyclictest14492-21fschecks_count00:05:161
612699170,16cyclictest0-21swapper/100:10:041
612699170,15cyclictest4538-21H212:26:331
612699170,15cyclictest4523-21H212:26:331
612099172,14cyclictest9-21ksoftirqd/019:48:030
6120991715,1cyclictest9-21ksoftirqd/019:43:000
6120991715,1cyclictest0-21swapper/023:00:210
6120991715,1cyclictest0-21swapper/021:59:360
6120991714,2cyclictest8752-21nfsd422:00:190
6120991714,2cyclictest8752-21nfsd422:00:190
6120991714,2cyclictest6640-21tr19:10:150
6120991714,2cyclictest4581-21H212:26:330
6120991714,2cyclictest4581-21H212:26:330
6120991714,2cyclictest4581-21H212:26:330
6120991714,2cyclictest4536-21H212:26:330
6120991714,2cyclictest4526-21H212:26:330
6120991714,2cyclictest27350-21cpu21:40:160
6120991714,2cyclictest2433-21cat23:45:010
6120991714,2cyclictest2230-21grep21:50:210
6120991714,2cyclictest15654-21fschecks_count19:25:150
6120991714,2cyclictest1402-21lxd22:50:560
6120991714,2cyclictest12356-21expr20:15:130
6120991713,3cyclictest4528-21H212:26:330
6120991713,3cyclictest4526-21H212:26:330
6120991713,2cyclictest4523-21H212:26:330
612099171,15cyclictest3365-21grep23:45:150
612099171,15cyclictest29805-21chrt00:31:130
612099170,2cyclictest4581-21H212:26:330
612099170,2cyclictest4532-21H212:26:330
612099170,2cyclictest4530-21H212:26:330
612099170,2cyclictest4528-21H212:26:330
612099170,2cyclictest4526-21H212:26:330
612099170,2cyclictest23851-21processes00:20:210
612099170,2cyclictest1086-21snmpd23:17:250
612099170,1cyclictest0-21swapper/019:54:320
612099170,16cyclictest4536-21H212:26:330
612099170,16cyclictest4534-21H212:26:330
612099170,16cyclictest4528-21H212:26:330
612099170,16cyclictest4528-21H212:26:330
612099170,16cyclictest4526-21H212:26:330
612099170,16cyclictest4526-21H212:26:330
612099170,16cyclictest4523-21H212:26:330
612099170,16cyclictest30903-21cat23:35:210
612099170,16cyclictest3076-21rs:main0
612099170,16cyclictest22865-21apt-get20:35:150
612099170,16cyclictest18444-21chrt22:18:110
6129991612,3cyclictest4534-21H212:26:332
6129991612,3cyclictest4534-21H212:26:332
612999160,2cyclictest23783-21awk23:25:142
612999160,1cyclictest0-21swapper/223:45:192
612999160,1cyclictest0-21swapper/223:10:192
6126991614,1cyclictest0-21swapper/123:36:291
6126991614,1cyclictest0-21swapper/122:50:181
6126991613,2cyclictest4536-21H212:26:331
612699160,2cyclictest11262-21df22:05:191
612699160,1cyclictest31396-21kernelversion21:45:171
612699160,15cyclictest9466-21expr23:00:171
612699160,15cyclictest0-21swapper/120:40:181
6120991614,1cyclictest0-21swapper/023:20:280
6120991614,1cyclictest0-21swapper/023:20:270
6120991614,1cyclictest0-21swapper/020:25:190
6120991614,1cyclictest0-21swapper/020:20:080
6120991613,2cyclictest28992-21expr20:45:170
6120991613,2cyclictest28992-21expr20:45:160
612099160,2cyclictest8149-21expr21:05:190
612099160,15cyclictest23798-21apt-get23:25:140
612099160,15cyclictest21451-21wc21:30:000
612099160,15cyclictest0-21swapper/021:35:130
612099160,15cyclictest0-21swapper/000:05:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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