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2025-11-25 - 10:40
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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 Tue Nov 25, 2025 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1207299258,16cyclictest3612-21perf20:50:012
12070992017,2cyclictest19649-21latency_hist00:10:000
12070992014,3cyclictest0-21swapper/022:55:530
1207299192,16cyclictest0-21swapper/220:34:582
12072991917,1cyclictest4244-21expr20:50:142
12072991917,1cyclictest0-21swapper/221:05:182
12072991916,2cyclictest23546-21cpuspeed_turbos21:25:142
12072991916,2cyclictest10624-21timerandwakeup23:50:212
1207299190,2cyclictest4530-21H212:26:332
1207299190,16cyclictest4593-21H212:26:332
1207299190,16cyclictest4534-21H212:26:332
1207199190,2cyclictest4532-21H212:26:331
1207199190,2cyclictest4528-21H212:26:331
1207199190,16cyclictest4532-21H212:26:331
1207199190,16cyclictest4526-21H212:26:331
12070991917,1cyclictest0-21swapper/023:57:520
12070991913,5cyclictest0-21swapper/000:35:000
1207099191,16cyclictest27480-21nfsd421:30:200
1207099190,2cyclictest4538-21H212:26:330
1207099190,16cyclictest4536-21H212:26:330
1207099190,16cyclictest4530-21H212:26:330
1207299183,1cyclictest0-21swapper/221:24:242
1207299182,15cyclictest28-21ksoftirqd/200:22:012
1207299182,15cyclictest0-21swapper/222:15:142
12072991816,1cyclictest1031-21timerandwakeup19:45:222
12072991815,2cyclictest9867-21proc_pri21:55:202
12072991815,2cyclictest4526-21H212:26:332
12072991815,2cyclictest10839-21grep22:55:182
12072991814,2cyclictest24007-21nfsd400:15:192
1207299181,2cyclictest4528-21H212:26:332
1207299181,2cyclictest16740-21ls20:15:162
12072991812,4cyclictest0-21swapper/220:38:352
1207299181,16cyclictest31516-21sessionclean21:39:002
1207299180,2cyclictest7496-21perf20:00:012
1207299180,2cyclictest4538-21H212:26:332
1207299180,1cyclictest4538-21H212:26:332
1207299180,17cyclictest4538-21H212:26:332
1207299180,16cyclictest4534-21H212:26:332
1207299180,15cyclictest4538-21H212:26:332
1207199182,15cyclictest21-21ksoftirqd/122:17:001
12071991816,1cyclictest0-21swapper/123:51:271
12071991814,3cyclictest4756-21perf19:55:011
12071991814,3cyclictest4593-21H212:26:331
12071991814,3cyclictest4536-21H212:26:331
12071991814,3cyclictest4534-21H212:26:331
12071991814,3cyclictest0-21swapper/120:10:151
1207199181,1cyclictest0-21swapper/123:04:251
1207199180,2cyclictest4593-21H212:26:331
1207199180,2cyclictest4534-21H212:26:331
1207199180,2cyclictest4530-21H212:26:331
1207199180,2cyclictest28472-21cron23:34:551
1207199180,17cyclictest27727-21systemctl21:30:231
1207199180,16cyclictest4538-21H212:26:331
1207199180,16cyclictest4530-21H212:26:331
1207199180,16cyclictest4526-21H212:26:331
1207199180,16cyclictest4523-21H212:26:331
1207199180,15cyclictest4538-21H212:26:331
1207099183,1cyclictest0-21swapper/023:06:580
1207099183,1cyclictest0-21swapper/021:36:480
1207099182,15cyclictest4534-21H212:26:330
1207099182,15cyclictest27050-21processes00:20:230
1207099182,15cyclictest24581-21cpu20:30:130
12070991817,1cyclictest0-21swapper/019:10:150
12070991816,1cyclictest15435-21missed_timers00:00:180
12070991815,2cyclictest11420-21date23:55:010
12070991814,2cyclictest4593-21H212:26:330
1207099180,3cyclictest4530-21H212:26:330
1207099180,1cyclictest0-21swapper/020:58:000
1207099180,17cyclictest4593-21H212:26:330
1207099180,17cyclictest4532-21H212:26:330
1207099180,15cyclictest4534-21H212:26:330
12072991715,1cyclictest0-21swapper/222:31:012
12072991715,1cyclictest0-21swapper/222:31:012
12072991714,3cyclictest0-21swapper/220:55:172
12072991714,2cyclictest4534-21H212:26:332
12072991714,2cyclictest4528-21H212:26:332
12072991714,2cyclictest4526-21H212:26:332
12072991714,2cyclictest4526-21H212:26:332
12072991714,2cyclictest2848-21cpuspeed_turbos23:40:142
12072991714,2cyclictest15111-21nfsd422:05:172
1207299171,15cyclictest0-21swapper/220:20:192
1207299171,15cyclictest0-21swapper/220:20:182
1207299170,2cyclictest995-21irqbalance23:05:122
1207299170,2cyclictest4581-21H212:26:332
1207299170,2cyclictest4526-21H212:26:332
1207299170,2cyclictest4523-21H212:26:332
1207299170,2cyclictest22725-21expr22:20:132
1207299170,2cyclictest20747-21grep19:25:152
1207299170,2cyclictest15182-21if_err_enp1s000:00:172
1207299170,1cyclictest4530-21H212:26:332
1207299170,1cyclictest0-21swapper/221:40:152
1207299170,16cyclictest887-21udisksd22:36:422
1207299170,16cyclictest4581-21H212:26:332
1207299170,16cyclictest4536-21H212:26:332
1207299170,16cyclictest4534-21H212:26:332
1207299170,16cyclictest4530-21H212:26:332
1207299170,16cyclictest4528-21H212:26:332
1207299170,16cyclictest4526-21H212:26:332
1207299170,16cyclictest4523-21H212:26:332
1207299170,16cyclictest32032-21nvmesmart_nvme020:40:192
1207299170,16cyclictest30422-21ps19:40:222
1207299170,16cyclictest30018-21snapd23:16:492
1207299170,16cyclictest22366-21sh00:15:002
1207299170,16cyclictest17038-21/usr/sbin/munin00:05:172
1207299170,16cyclictest1079-21gdbus19:30:222
1207199172,1cyclictest0-21swapper/123:15:181
1207199172,15cyclictest21-21ksoftirqd/123:41:351
12071991714,2cyclictest4528-21H212:26:331
12071991714,2cyclictest4526-21H212:26:331
12071991714,2cyclictest430-21grep23:35:191
12071991714,2cyclictest30517-21sendmail_mailst19:40:231
12071991714,2cyclictest18328-21fgrep22:10:201
12071991714,2cyclictest17977-21cpuspeed_turbos19:20:151
12071991714,2cyclictest1127-21cpuspeed_turbos22:40:131
12071991714,2cyclictest0-21swapper/123:20:221
12071991714,2cyclictest0-21swapper/120:35:141
12071991713,3cyclictest4528-21H212:26:331
1207199171,15cyclictest4532-21H212:26:331
1207199171,15cyclictest201rcuc/100:05:151
1207199170,2cyclictest9673-21tr21:00:131
1207199170,2cyclictest881-21avahi-daemon21:25:221
1207199170,2cyclictest4534-21H212:26:331
1207199170,2cyclictest4534-21H212:26:331
1207199170,2cyclictest4530-21H212:26:331
1207199170,2cyclictest4530-21H212:26:331
1207199170,2cyclictest4528-21H212:26:331
1207199170,2cyclictest4523-21H212:26:331
1207199170,2cyclictest19426-21/usr/sbin/munin21:15:211
1207199170,1cyclictest4538-21H212:26:331
1207199170,1cyclictest4523-21H212:26:331
1207199170,16cyclictest8377-21pzem_energy22:50:201
1207199170,16cyclictest4593-21H212:26:331
1207199170,16cyclictest4593-21H212:26:331
1207199170,16cyclictest4536-21H212:26:331
1207199170,16cyclictest4536-21H212:26:331
1207199170,16cyclictest4532-21H212:26:331
1207199170,16cyclictest4532-21H212:26:331
1207199170,16cyclictest4530-21H212:26:331
1207199170,16cyclictest4528-21H212:26:331
1207199170,16cyclictest4528-21H212:26:331
1207199170,16cyclictest4526-21H212:26:331
1207199170,16cyclictest4154-21nfsd421:45:191
1207199170,16cyclictest29400-21switchtime22:30:201
1207199170,16cyclictest29400-21switchtime22:30:191
1207199170,16cyclictest14072-21cat19:10:231
1207199170,15cyclictest4538-21H212:26:331
12070991715,1cyclictest9-21ksoftirqd/022:42:040
12070991715,1cyclictest9-21ksoftirqd/022:37:560
12070991715,1cyclictest62852sleep022:48:120
12070991715,1cyclictest0-21swapper/023:19:150
12070991715,1cyclictest0-21swapper/021:50:490
12070991714,2cyclictest8982-21chrt22:52:440
12070991714,2cyclictest4538-21H212:26:330
12070991714,2cyclictest4536-21H212:26:330
12070991714,2cyclictest4534-21H212:26:330
12070991714,2cyclictest4534-21H212:26:330
12070991714,2cyclictest4530-21H212:26:330
12070991714,2cyclictest4530-21H212:26:330
12070991714,2cyclictest4528-21H212:26:330
12070991714,2cyclictest32210-21/usr/sbin/munin21:40:130
12070991714,2cyclictest31845-21grep23:35:140
12070991714,2cyclictest23289-21cat21:25:010
12070991714,1cyclictest0-21swapper/020:45:210
1207099171,15cyclictest9-21ksoftirqd/021:10:090
1207099170,2cyclictest4538-21H212:26:330
1207099170,2cyclictest4528-21H212:26:330
1207099170,2cyclictest4523-21H212:26:330
1207099170,2cyclictest3795-21kernelversion21:45:180
1207099170,16cyclictest4593-21H212:26:330
1207099170,16cyclictest4593-21H212:26:330
1207099170,16cyclictest4593-21H212:26:330
1207099170,16cyclictest4536-21H212:26:330
1207099170,16cyclictest4532-21H212:26:330
1207099170,16cyclictest4530-21H212:26:330
1207099170,16cyclictest4528-21H212:26:330
1207099170,16cyclictest4526-21H212:26:330
1207099170,16cyclictest4523-21H212:26:330
1207099170,16cyclictest4523-21H212:26:330
1207099170,16cyclictest25916-21kernelversion22:25:170
1207099170,16cyclictest24820-21ntpq23:20:180
1207099170,16cyclictest19519-21expr20:20:150
1207099170,16cyclictest19519-21expr20:20:140
1207099170,16cyclictest17617-21wc19:20:020
1207099170,16cyclictest13053-21ls21:05:140
1207099170,15cyclictest4526-21H212:26:330
12072991614,1cyclictest27525-21nfsd423:25:182
12072991614,1cyclictest0-21swapper/221:45:042
12072991614,1cyclictest0-21swapper/220:10:222
1207299160,15cyclictest18070-21tr21:15:142
1207299160,15cyclictest17930-21/usr/sbin/munin23:10:132
1207299160,15cyclictest160082chrt19:15:172
1207299160,15cyclictest0-21swapper/222:11:312
12071991614,1cyclictest0-21swapper/119:25:151
1207199160,15cyclictest4536-21H212:26:331
1207199160,15cyclictest4536-21H212:26:331
1207199160,15cyclictest0-21swapper/122:45:161
1207199160,15cyclictest0-21swapper/120:05:141
12070991614,1cyclictest0-21swapper/023:10:130
12070991614,1cyclictest0-21swapper/022:05:220
12070991614,1cyclictest0-21swapper/019:20:210
12070991613,2cyclictest4581-21H212:26:330
12070991613,2cyclictest16477-21grep20:15:160
1207099160,15cyclictest4593-21H212:26:330
1207099160,15cyclictest3990-21/usr/sbin/munin20:50:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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