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2025-08-27 - 14:38
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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 Wed Aug 27, 2025 00:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6685992424,0cyclictest0-21swapper/221:45:162
668499240,19cyclictest7668-21latency_hist22:05:001
668599230,5cyclictest0-21swapper/223:11:362
668599224,8cyclictest0-21swapper/223:32:582
6684992219,2cyclictest25846-21if_enp1s022:35:171
668499220,4cyclictest0-21swapper/123:04:241
668499220,18cyclictest0-21swapper/123:45:391
668599204,11cyclictest27662-21apt-config22:40:012
668599202,2cyclictest4581-21H212:26:332
668599202,16cyclictest4532-21H212:26:332
6685992016,3cyclictest0-21swapper/223:39:582
6685992016,3cyclictest0-21swapper/223:20:192
6685992016,3cyclictest0-21swapper/223:20:192
668599194,1cyclictest0-21swapper/221:12:362
668599194,1cyclictest0-21swapper/219:40:212
6685991917,1cyclictest28-21ksoftirqd/221:26:102
6685991917,1cyclictest0-21swapper/221:59:532
6685991916,2cyclictest15027-21idleruntime00:10:162
668599190,16cyclictest4581-21H212:26:332
668599190,16cyclictest4536-21H212:26:332
6684991917,1cyclictest21-21ksoftirqd/122:58:041
6684991917,1cyclictest21-21ksoftirqd/119:49:471
6684991917,1cyclictest0-21swapper/121:25:141
6684991917,1cyclictest0-21swapper/120:36:071
6684991917,1cyclictest0-21swapper/100:32:261
6684991913,3cyclictest0-21swapper/120:20:001
668499190,18cyclictest823-21systemd-network22:48:291
668499190,18cyclictest0-21swapper/120:45:171
668499190,16cyclictest4593-21H212:26:331
668499190,16cyclictest4528-21H212:26:331
668499190,16cyclictest4526-21H212:26:331
668399194,1cyclictest0-21swapper/022:37:390
6683991917,1cyclictest0-21swapper/020:08:160
6683991916,2cyclictest4526-21H212:26:330
668399190,5cyclictest0-21swapper/020:03:050
668399190,2cyclictest4536-21H212:26:330
668399190,2cyclictest4526-21H212:26:330
668399190,18cyclictest0-21swapper/021:05:130
668599182,15cyclictest29590-21egrep23:40:182
6685991816,1cyclictest28-21ksoftirqd/200:09:452
6685991816,1cyclictest0-21swapper/222:00:172
6685991816,1cyclictest0-21swapper/219:36:492
6685991815,2cyclictest4581-21H212:26:332
6685991815,2cyclictest21361-21nfsd400:20:182
6685991814,3cyclictest4593-21H212:26:332
6685991814,3cyclictest0-21swapper/220:44:392
6685991813,1cyclictest0-21swapper/221:05:162
668599181,2cyclictest996-21pzem21:50:242
668599181,16cyclictest0-21swapper/220:45:192
668599180,2cyclictest7557-21sort20:09:002
668599180,2cyclictest4581-21H212:26:332
668599180,2cyclictest4538-21H212:26:332
668599180,2cyclictest4534-21H212:26:332
668599180,2cyclictest4530-21H212:26:332
668599180,17cyclictest4593-21H212:26:332
668599180,17cyclictest4538-21H212:26:332
668599180,15cyclictest4593-21H212:26:332
668499182,15cyclictest5515-21ls20:05:171
6684991816,1cyclictest21-21ksoftirqd/121:20:081
6684991816,1cyclictest0-21swapper/123:19:521
6684991816,1cyclictest0-21swapper/119:20:191
6684991814,3cyclictest4581-21H212:26:331
6684991814,3cyclictest4526-21H212:26:331
6684991814,2cyclictest4581-21H212:26:331
6684991814,2cyclictest4530-21H212:26:331
668499181,16cyclictest4523-21H212:26:331
668499180,2cyclictest4581-21H212:26:331
668499180,2cyclictest4538-21H212:26:331
668499180,2cyclictest4526-21H212:26:331
668499180,17cyclictest4593-21H212:26:331
668499180,17cyclictest4530-21H212:26:331
668499180,16cyclictest4581-21H212:26:331
668499180,16cyclictest4532-21H212:26:331
668499180,15cyclictest4534-21H212:26:331
668499180,15cyclictest4534-21H212:26:331
668499180,15cyclictest4528-21H212:26:331
668399182,15cyclictest21498-21grep00:20:170
6683991817,1cyclictest9-21ksoftirqd/021:39:350
6683991817,1cyclictest9-21ksoftirqd/021:39:350
6683991816,1cyclictest14417-21which22:15:170
6683991816,1cyclictest0-21swapper/023:57:560
6683991816,1cyclictest0-21swapper/022:15:020
6683991816,1cyclictest0-21swapper/000:35:180
6683991815,2cyclictest12650-21ntpq00:05:190
6683991814,3cyclictest4534-21H212:26:330
668399180,3cyclictest29939-21kernelversion19:50:190
668399180,2cyclictest4536-21H212:26:330
668399180,2cyclictest4532-21H212:26:330
668399180,17cyclictest3350-21master22:53:320
668399180,16cyclictest16280-21gpgv20:25:010
6685991715,1cyclictest106122chrt00:02:112
6685991715,1cyclictest0-21swapper/219:25:132
6685991714,2cyclictest4581-21H212:26:332
6685991714,2cyclictest4526-21H212:26:332
6685991714,2cyclictest4448-21ps23:50:212
6685991714,2cyclictest23467-21grep22:30:212
6685991714,2cyclictest16887-21expr22:20:182
6685991714,2cyclictest13547-21cupsd00:30:112
6685991714,1cyclictest0-21swapper/221:15:162
668599171,16cyclictest3134-21rtkit-daemon23:16:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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