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2025-01-21 - 23:42
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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 Tue Jan 21, 2025 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19198993029,1cyclictest0-21swapper/210:20:162
1919699241,22cyclictest0-21swapper/009:20:010
1919699230,20cyclictest0-21swapper/007:47:330
1919699226,15cyclictest4526-21H212:26:330
19198992016,3cyclictest0-21swapper/207:40:542
1919899192,16cyclictest27360-21processes08:15:202
19198991917,1cyclictest0-21swapper/210:12:462
19198991916,2cyclictest4088-21cron10:40:002
19198991916,2cyclictest396-21processes08:25:192
1919899191,14cyclictest0-21swapper/209:44:542
1919899190,16cyclictest4593-21H212:26:332
19197991918,0cyclictest0-21swapper/107:20:521
19197991914,3cyclictest4581-21H212:26:331
1919799191,16cyclictest31812-21cpuspeed_turbos07:30:151
1919799190,16cyclictest4538-21H212:26:331
1919699192,16cyclictest0-21swapper/009:42:450
19196991919,0cyclictest0-21swapper/008:35:150
19196991917,1cyclictest0-21swapper/010:43:300
19196991916,2cyclictest4593-21H212:26:330
19196991916,2cyclictest4530-21H212:26:330
1919699190,2cyclictest4532-21H212:26:330
1919699190,16cyclictest4593-21H212:26:330
1919699190,16cyclictest4528-21H212:26:330
19198991815,2cyclictest20504-21latency07:10:172
1919899180,17cyclictest4538-21H212:26:332
1919899180,17cyclictest28858-21cpuspeed_turbos09:15:132
1919899180,17cyclictest0-21swapper/212:10:132
1919899180,16cyclictest4532-21H212:26:332
1919799183,1cyclictest21-21ksoftirqd/109:37:021
1919799182,15cyclictest264622sleep111:18:021
19197991815,2cyclictest0-21swapper/110:32:051
19197991814,3cyclictest4534-21H212:26:331
19197991814,3cyclictest28348-21package-data-do07:25:011
19197991814,3cyclictest28348-21package-data-do07:25:011
1919799181,2cyclictest11367-21chrt09:46:561
1919799181,16cyclictest4523-21H212:26:331
1919799181,16cyclictest1603-21lxd07:37:001
1919799180,3cyclictest4523-21H212:26:331
1919799180,3cyclictest30129-21cron11:30:001
1919799180,3cyclictest1472-21lxd07:43:001
1919799180,17cyclictest4581-21H212:26:331
1919799180,16cyclictest4593-21H212:26:331
1919699182,15cyclictest9-21ksoftirqd/008:22:120
1919699182,15cyclictest0-21swapper/012:20:150
19196991816,1cyclictest9-21ksoftirqd/009:20:490
19196991815,2cyclictest4532-21H212:26:330
19196991815,2cyclictest10438-21sed11:55:000
19196991814,3cyclictest4593-21H212:26:330
1919699181,2cyclictest13245-21chrt07:51:060
1919699180,2cyclictest4536-21H212:26:330
1919699180,1cyclictest4523-21H212:26:330
1919699180,17cyclictest4523-21H212:26:330
1919699180,15cyclictest4593-21H212:26:330
19198991716,1cyclictest28-21ksoftirqd/209:26:072
19198991714,2cyclictest4593-21H212:26:332
19198991714,2cyclictest4536-21H212:26:332
19198991714,2cyclictest4526-21H212:26:332
19198991714,2cyclictest30072-21ps08:20:192
19198991714,2cyclictest21668-21nfsd412:15:192
19198991714,2cyclictest14840-21cpuspeed_turbos09:55:142
19198991714,2cyclictest12330-21cat09:50:102
19198991714,2cyclictest1156-21snapd07:16:442
19198991714,2cyclictest0-21swapper/209:33:512
19198991714,2cyclictest0-21swapper/208:10:002
19198991713,3cyclictest0-21swapper/209:20:172
1919899171,14cyclictest0-21swapper/210:45:222
1919899170,2cyclictest678-21ps07:30:222
1919899170,2cyclictest31895-21nfsd411:30:142
1919899170,2cyclictest18569-21sed08:55:222
1919899170,2cyclictest1155-21snapd08:33:432
1919899170,1cyclictest0-21swapper/212:25:192
1919899170,1cyclictest0-21swapper/210:18:022
1919899170,16cyclictest9970-21processes07:45:192
1919899170,16cyclictest4536-21H212:26:332
1919899170,16cyclictest4530-21H212:26:332
1919899170,16cyclictest30196-21latency_hist11:30:002
1919899170,16cyclictest2890-21sed11:35:222
1919899170,16cyclictest26996-21pzem07:20:202
1919899170,16cyclictest26729-21cpuspeed_turbos12:30:092
1919899170,16cyclictest24464-21ntpq12:20:182
1919899170,16cyclictest24046-21sed11:15:012
1919899170,16cyclictest21879-21hddtemp_smartct11:10:112
1919899170,16cyclictest18621-21apache207:25:012
1919899170,16cyclictest18621-21apache207:25:012
1919899170,16cyclictest17452-21cat11:00:142
1919899170,16cyclictest16372-21sed08:00:012
1919899170,16cyclictest14642-21sort08:50:212
1919899170,16cyclictest12706-21proc_pri07:50:222
1919899170,16cyclictest1156-21snapd11:06:122
1919899170,16cyclictest11364-21expr08:45:142
1919899170,16cyclictest1058-21polkitd10:57:582
1919899170,16cyclictest1058-21polkitd10:57:582
19197991715,1cyclictest21-21ksoftirqd/110:21:191
19197991715,1cyclictest0-21swapper/111:50:031
19197991714,2cyclictest5580-21missed_timers11:40:191
19197991714,2cyclictest4532-21H212:26:331
19197991714,2cyclictest4530-21H212:26:331
19197991714,2cyclictest4526-21H212:26:331
19197991714,2cyclictest4523-21H212:26:331
19197991714,2cyclictest27015-21munin-run10:20:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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