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2025-12-11 - 09:18
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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 highest latencies:
System rackdslot0.osadl.org (updated Thu Dec 11, 2025 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7272992818,10cyclictest13674-21gzip00:05:190
727299250,1cyclictest0-21swapper/020:00:010
727299230,5cyclictest0-21swapper/021:27:310
727399210,18cyclictest0-21swapper/119:57:461
727299210,3cyclictest0-21swapper/019:54:000
727599200,5cyclictest823-21systemd-network19:30:142
727399203,2cyclictest4532-21H212:26:331
727299203,16cyclictest0-21swapper/021:49:420
727299202,1cyclictest0-21swapper/020:24:040
727299202,16cyclictest0-21swapper/022:24:580
727299202,16cyclictest0-21swapper/022:24:580
727299201,3cyclictest3723-21nfsd422:50:190
7275991917,1cyclictest0-21swapper/220:00:432
7275991917,1cyclictest0-21swapper/200:38:112
7275991917,1cyclictest0-21swapper/200:38:112
7275991916,2cyclictest14430-21ntpq19:20:202
7275991915,3cyclictest881-21avahi-daemon20:00:002
7275991914,2cyclictest4593-21H212:26:332
727599190,16cyclictest4538-21H212:26:332
727599190,16cyclictest4530-21H212:26:332
727399193,1cyclictest0-21swapper/123:05:221
7273991917,1cyclictest0-21swapper/123:22:141
7273991914,2cyclictest4532-21H212:26:331
7273991911,4cyclictest0-21swapper/100:25:051
727399190,2cyclictest4536-21H212:26:331
727399190,2cyclictest4528-21H212:26:331
727399190,18cyclictest0-21swapper/122:37:161
727399190,17cyclictest4532-21H212:26:331
727399190,16cyclictest4532-21H212:26:331
727399190,16cyclictest4523-21H212:26:331
727399190,16cyclictest4523-21H212:26:331
727299193,1cyclictest0-21swapper/019:29:090
727299193,15cyclictest0-21swapper/023:36:020
727299193,15cyclictest0-21swapper/020:28:120
727299192,16cyclictest3441-21gsd-color21:37:480
727299192,16cyclictest20467-21smartctl23:20:210
727299192,16cyclictest17851-21chrt00:11:300
727299192,16cyclictest0-21swapper/021:20:000
727299192,16cyclictest0-21swapper/019:30:190
727299192,16cyclictest0-21swapper/019:15:110
7272991917,1cyclictest0-21swapper/022:18:010
727299191,17cyclictest23157-21/usr/sbin/munin23:25:190
727299190,4cyclictest893-21systemd-logind23:47:070
727299190,1cyclictest0-21swapper/023:40:150
727299190,1cyclictest0-21swapper/022:56:370
727299190,1cyclictest0-21swapper/000:35:450
727299190,1cyclictest0-21swapper/000:35:450
727299190,18cyclictest0-21swapper/021:02:080
727299190,16cyclictest4530-21H212:26:330
727599182,15cyclictest28-21ksoftirqd/223:48:372
727599182,15cyclictest28-21ksoftirqd/222:13:562
7275991816,1cyclictest28-21ksoftirqd/220:12:572
7275991815,2cyclictest4523-21H212:26:332
7275991815,2cyclictest19815-21idleruntime23:20:162
7275991814,3cyclictest4526-21H212:26:332
7275991814,3cyclictest3714-21nfsd422:50:192
7275991814,2cyclictest4528-21H212:26:332
727599181,2cyclictest5398-21ntpq21:55:192
727599181,16cyclictest0-21swapper/223:07:032
727599181,16cyclictest0-21swapper/221:18:062
727599180,2cyclictest4538-21H212:26:332
727599180,2cyclictest4523-21H212:26:332
727599180,1cyclictest0-21swapper/220:40:172
727599180,16cyclictest4530-21H212:26:332
727599180,16cyclictest4530-21H212:26:332
727599180,16cyclictest4528-21H212:26:332
727599180,15cyclictest4581-21H212:26:332
727399182,2cyclictest4528-21H212:26:331
727399182,2cyclictest3089-21iscsid22:30:201
7273991815,2cyclictest14790-21nfsd423:10:181
7273991815,1cyclictest0-21swapper/123:36:241
7273991814,3cyclictest4581-21H212:26:331
7273991814,3cyclictest4523-21H212:26:331
7273991814,2cyclictest4538-21H212:26:331
7273991814,2cyclictest4532-21H212:26:331
7273991813,4cyclictest0-21swapper/121:04:091
727399181,16cyclictest4523-21H212:26:331
727399180,2cyclictest4581-21H212:26:331
727399180,2cyclictest4581-21H212:26:331
727399180,2cyclictest4536-21H212:26:331
727399180,2cyclictest4534-21H212:26:331
727399180,1cyclictest4532-21H212:26:331
727399180,17cyclictest4538-21H212:26:331
727399180,16cyclictest4593-21H212:26:331
727399180,16cyclictest4530-21H212:26:331
727299182,1cyclictest27398-21fschecks_count00:30:150
727299182,1cyclictest22134-21pzem_power22:25:210
727299182,15cyclictest4205-21fw_packets20:00:170
727299182,15cyclictest14802-21expr23:10:180
727299182,15cyclictest13193-21basename23:10:000
7272991816,1cyclictest9-21ksoftirqd/022:31:350
7272991816,1cyclictest0-21swapper/022:00:150
7272991815,2cyclictest27503-21cut23:35:000
7272991814,3cyclictest4581-21H212:26:330
7272991814,3cyclictest4526-21H212:26:330
727299181,2cyclictest26514-21latency_hist00:30:000
727299181,16cyclictest15078-21cat22:15:010
727299180,3cyclictest10000-21gpgv00:00:010
727299180,2cyclictest4536-21H212:26:330
727299180,2cyclictest4523-21H212:26:330
727299180,2cyclictest15485-21munin-run19:25:010
7275991715,1cyclictest28-21ksoftirqd/222:20:072
7275991715,1cyclictest28-21ksoftirqd/222:20:072
7275991715,1cyclictest0-21swapper/221:50:162
7275991715,1cyclictest0-21swapper/200:10:172
7275991714,2cyclictest8104-21expr19:10:152
7275991714,2cyclictest4538-21H212:26:332
7275991714,2cyclictest4534-21H212:26:332
7275991714,2cyclictest28060-21cut19:45:202
7275991714,2cyclictest23569-21php7.019:39:012
7275991714,2cyclictest0-21swapper/200:30:202
727599170,2cyclictest4538-21H212:26:332
727599170,2cyclictest4536-21H212:26:332
727599170,2cyclictest4536-21H212:26:332
727599170,2cyclictest4534-21H212:26:332
727599170,2cyclictest4534-21H212:26:332
727599170,2cyclictest4530-21H212:26:332
727599170,2cyclictest4528-21H212:26:332
727599170,2cyclictest30735-21timerandwakeup22:40:202
727599170,2cyclictest23317-21pzem_voltage23:25:212
727599170,16cyclictest7536-21grep21:05:132
727599170,16cyclictest4538-21H212:26:332
727599170,16cyclictest4536-21H212:26:332
727599170,16cyclictest4536-21H212:26:332
727599170,16cyclictest4536-21H212:26:332
727599170,16cyclictest4534-21H212:26:332
727599170,16cyclictest4534-21H212:26:332
727599170,16cyclictest4530-21H212:26:332
727599170,16cyclictest4528-21H212:26:332
727599170,16cyclictest4526-21H212:26:332
727599170,16cyclictest4523-21H212:26:332
727599170,16cyclictest4523-21H212:26:332
727599170,16cyclictest27908-21tr23:35:132
7273991714,2cyclictest4530-21H212:26:331
7273991714,2cyclictest29635-21fschecks_time22:40:141
7273991714,2cyclictest21-21ksoftirqd/120:35:011
7273991714,2cyclictest19003-21taskset21:25:041
7273991714,2cyclictest12206-21postgres00:02:571
7273991714,2cyclictest0-21swapper/122:46:221
7273991714,1cyclictest0-21swapper/119:20:191
727399170,2cyclictest845-21/usr/sbin/munin21:50:181
727399170,2cyclictest4530-21H212:26:331
727399170,2cyclictest13303-21cpuspeed_turbos21:15:141
727399170,1cyclictest111rcu_preempt20:40:191
727399170,16cyclictest4581-21H212:26:331
727399170,16cyclictest4536-21H212:26:331
727399170,16cyclictest4536-21H212:26:331
727399170,16cyclictest4532-21H212:26:331
727399170,16cyclictest4532-21H212:26:331
727399170,16cyclictest4523-21H212:26:331
727399170,16cyclictest414-20systemd-journal21:09:011
727399170,16cyclictest31241-21nfsd419:50:161
727399170,16cyclictest23547-21sed23:25:221
727399170,16cyclictest18644-21cpuspeed_turbos00:15:151
727399170,16cyclictest1402-21lxd21:30:571
727399170,16cyclictest0-21swapper/119:50:011
727399170,15cyclictest0-21swapper/120:05:171
727399170,15cyclictest0-21swapper/119:19:521
7272991715,1cyclictest0-21swapper/022:35:530
7272991714,2cyclictest8177-21/usr/sbin/munin19:10:150
7272991714,2cyclictest4058-21apache_processe23:50:140
7272991714,2cyclictest27955-21missed_timers19:45:200
7272991714,2cyclictest27676-21cstates21:40:150
7272991714,2cyclictest16029-21expr21:20:160
7272991714,2cyclictest12726-21/usr/sbin/munin20:15:170
727299171,15cyclictest4531-21H212:26:330
727299171,15cyclictest19299-21basename00:15:160
727299170,2cyclictest9036-21sshd23:58:320
727299170,2cyclictest7927-21ls21:05:130
727299170,2cyclictest4767-21basename21:55:160
727299170,2cyclictest16735-21cstates23:15:150
727299170,16cyclictest9794-21/usr/sbin/munin20:10:150
727299170,16cyclictest4534-21H212:26:330
727299170,16cyclictest4532-21H212:26:330
727299170,16cyclictest31949-21fschecks_time20:50:160
727299170,16cyclictest27263-21/usr/sbin/munin20:40:190
727299170,16cyclictest24801-21tune2fs19:40:170
727299170,16cyclictest23139-21cut20:35:140
727299170,16cyclictest1978-21cstates20:55:170
727299170,16cyclictest1852-21if_lxdbr021:50:180
727299170,16cyclictest1409-21chrt22:46:080
727299170,16cyclictest11488-21chrt22:05:560
7275991614,1cyclictest0-21swapper/223:55:132
7275991614,1cyclictest0-21swapper/221:25:122
7275991614,1cyclictest0-21swapper/221:20:052
727599160,1cyclictest0-21swapper/223:50:162
727599160,1cyclictest0-21swapper/221:35:162
727599160,1cyclictest0-21swapper/220:55:162
727599160,15cyclictest30929-21cstates23:40:152
727599160,15cyclictest0-21swapper/221:10:132
7273991614,1cyclictest15966-21cpuspeed_turbos21:20:151
7273991614,1cyclictest0-21swapper/122:25:081
7273991614,1cyclictest0-21swapper/122:05:141
7273991614,1cyclictest0-21swapper/122:00:181
7273991614,1cyclictest0-21swapper/100:30:141
7273991613,2cyclictest11677-21nfsd421:10:181
727399160,15cyclictest7461-21/usr/sbin/munin23:55:141
727399160,15cyclictest4035-21/usr/sbin/munin23:50:141
727399160,15cyclictest21-21ksoftirqd/122:10:201
727399160,15cyclictest16399-21cpuspeed_turbos23:15:151
727399160,15cyclictest0-21swapper/120:35:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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