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2025-12-01 - 22:37
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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 Mon Dec 01, 2025 12:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211899246,15cyclictest0-21swapper/010:49:040
211899240,13cyclictest0-21swapper/007:18:400
2118992321,1cyclictest31803-21apt-key11:50:000
211999200,17cyclictest4526-21H212:26:331
212399192,16cyclictest4594-21H212:26:332
2123991917,1cyclictest4581-21H212:26:332
2123991916,2cyclictest28-21ksoftirqd/208:52:392
2123991914,2cyclictest4536-21H212:26:332
2123991911,0cyclictest0-21swapper/209:46:592
212399190,2cyclictest4593-21H212:26:332
212399190,16cyclictest4532-21H212:26:332
212399190,16cyclictest4526-21H212:26:332
211999193,2cyclictest4581-21H212:26:331
211999193,15cyclictest4593-21H212:26:331
2119991917,1cyclictest21-21ksoftirqd/110:18:431
2119991916,2cyclictest4532-21H212:26:331
2119991916,2cyclictest4528-21H212:26:331
2119991916,2cyclictest12399-21cpuspeed_turbos11:15:151
2119991916,2cyclictest12399-21cpuspeed_turbos11:15:151
2119991914,3cyclictest8013-21cron07:17:021
211999190,3cyclictest4534-21H212:26:331
211999190,2cyclictest4534-21H212:26:331
211999190,2cyclictest4534-21H212:26:331
211999190,2cyclictest4530-21H212:26:331
211999190,17cyclictest4593-21H212:26:331
211999190,17cyclictest4523-21H212:26:331
211999190,16cyclictest4538-21H212:26:331
211999190,16cyclictest4536-21H212:26:331
211999190,16cyclictest4523-21H212:26:331
2118991917,1cyclictest9-21ksoftirqd/011:29:270
2118991916,2cyclictest19457-21cpuspeed_turbos10:30:160
211899190,18cyclictest0-21swapper/011:42:360
211899190,18cyclictest0-21swapper/010:16:430
211899190,18cyclictest0-21swapper/008:55:530
211899190,16cyclictest4530-21H212:26:330
211899190,16cyclictest4528-21H212:26:330
212399183,1cyclictest0-21swapper/211:46:142
2123991816,1cyclictest28-21ksoftirqd/209:50:292
2123991816,1cyclictest0-21swapper/210:59:072
2123991816,1cyclictest0-21swapper/207:28:412
2123991815,1cyclictest28-21ksoftirqd/212:15:182
2123991814,3cyclictest4581-21H212:26:332
2123991814,3cyclictest4536-21H212:26:332
2123991814,3cyclictest4536-21H212:26:332
2123991814,3cyclictest4528-21H212:26:332
212399181,2cyclictest4539-21H212:26:332
212399181,16cyclictest4581-21H212:26:332
212399181,16cyclictest4526-21H212:26:332
212399180,3cyclictest4534-21H212:26:332
212399180,2cyclictest4536-21H212:26:332
212399180,2cyclictest4536-21H212:26:332
212399180,2cyclictest4534-21H212:26:332
212399180,2cyclictest4532-21H212:26:332
212399180,17cyclictest8527-21munin-plugin-st07:20:022
212399180,17cyclictest4530-21H212:26:332
212399180,16cyclictest4581-21H212:26:332
212399180,16cyclictest4581-21H212:26:332
212399180,16cyclictest4534-21H212:26:332
212399180,16cyclictest2707-21lxd10:17:042
212399180,15cyclictest0-21swapper/209:05:002
211999182,1cyclictest21-21ksoftirqd/110:21:201
2119991816,1cyclictest0-21swapper/112:29:441
2119991814,3cyclictest4538-21H212:26:331
2119991814,3cyclictest4530-21H212:26:331
2119991814,1cyclictest111rcu_preempt09:45:201
2119991813,3cyclictest4536-21H212:26:331
211999181,2cyclictest4593-21H212:26:331
211999180,2cyclictest4593-21H212:26:331
211999180,2cyclictest4581-21H212:26:331
211999180,2cyclictest4534-21H212:26:331
211999180,2cyclictest4534-21H212:26:331
211999180,2cyclictest4530-21H212:26:331
211999180,2cyclictest4526-21H212:26:331
211999180,2cyclictest4526-21H212:26:331
211999180,17cyclictest4538-21H212:26:331
211999180,17cyclictest4536-21H212:26:331
211999180,17cyclictest4532-21H212:26:331
211999180,15cyclictest4538-21H212:26:331
211899182,1cyclictest9-21ksoftirqd/010:57:350
2118991816,1cyclictest9-21ksoftirqd/009:08:480
2118991816,1cyclictest9-21ksoftirqd/009:08:470
2118991816,1cyclictest0-21swapper/010:41:040
2118991815,2cyclictest5173-21grep11:00:180
2118991815,1cyclictest0-21swapper/010:28:210
2118991814,3cyclictest4536-21H212:26:330
2118991814,3cyclictest4534-21H212:26:330
2118991814,3cyclictest4534-21H212:26:330
2118991814,3cyclictest4526-21H212:26:330
2118991814,3cyclictest2049-21systemd-journal07:45:550
2118991814,3cyclictest11594-21apache207:25:020
2118991814,2cyclictest4581-21H212:26:330
2118991812,1cyclictest0-21swapper/008:26:380
211899180,4cyclictest0-21swapper/012:36:350
211899180,4cyclictest0-21swapper/012:36:340
211899180,2cyclictest4536-21H212:26:330
211899180,17cyclictest4536-21H212:26:330
211899180,17cyclictest4530-21H212:26:330
211899180,16cyclictest4581-21H212:26:330
2123991714,2cyclictest4581-21H212:26:332
2123991714,2cyclictest4581-21H212:26:332
2123991714,2cyclictest4581-21H212:26:332
2123991714,2cyclictest4536-21H212:26:332
2123991714,2cyclictest4528-21H212:26:332
2123991714,2cyclictest4528-21H212:26:332
2123991714,2cyclictest4526-21H212:26:332
2123991714,2cyclictest4526-21H212:26:332
2123991714,2cyclictest16916-21idleruntime08:30:172
2123991714,1cyclictest0-21swapper/212:07:512
2123991713,3cyclictest4532-21H212:26:332
212399171,15cyclictest25316-21if_enp1s008:45:192
212399171,15cyclictest18943-21cut11:25:182
212399171,15cyclictest15232-21cpuspeed_turbos09:25:142
212399171,15cyclictest0-21swapper/212:35:142
212399171,15cyclictest0-21swapper/212:35:132
212399170,2cyclictest8561-21fschecks_count08:15:162
212399170,2cyclictest4593-21H212:26:332
212399170,2cyclictest4538-21H212:26:332
212399170,2cyclictest4538-21H212:26:332
212399170,2cyclictest4530-21H212:26:332
212399170,2cyclictest4530-21H212:26:332
212399170,2cyclictest23951-21fschecks_count09:40:152
212399170,2cyclictest20395-21pzem_energy08:35:232
212399170,2cyclictest18921-21nfsd409:30:192
212399170,16cyclictest4581-21H212:26:332
212399170,16cyclictest4581-21H212:26:332
212399170,16cyclictest4538-21H212:26:332
212399170,16cyclictest4536-21H212:26:332
212399170,16cyclictest4530-21H212:26:332
212399170,16cyclictest3573-21cstates07:10:162
212399170,16cyclictest21768-21awk11:30:192
212399170,16cyclictest20204-21kernelversion10:30:182
212399170,16cyclictest1079-21gdbus11:35:202
211999172,1cyclictest0-21swapper/108:18:461
2119991715,1cyclictest23436-21expr11:35:131
2119991715,1cyclictest0-21swapper/111:10:021
2119991715,1cyclictest0-21swapper/107:26:471
2119991714,2cyclictest4593-21H212:26:331
2119991714,2cyclictest4593-21H212:26:331
2119991714,2cyclictest4581-21H212:26:331
2119991714,2cyclictest4538-21H212:26:331
2119991714,2cyclictest2652-21appstreamcli07:10:011
2119991714,2cyclictest23167-21expr07:45:151
2119991713,3cyclictest4538-21H212:26:331
2119991713,3cyclictest4538-21H212:26:331
2119991713,3cyclictest4538-21H212:26:331
2119991713,3cyclictest4526-21H212:26:331
211999171,15cyclictest21-21ksoftirqd/107:56:201
211999170,2cyclictest4581-21H212:26:331
211999170,2cyclictest4534-21H212:26:331
211999170,2cyclictest4523-21H212:26:331
211999170,2cyclictest31320-21kernelversion10:50:171
211999170,2cyclictest31320-21kernelversion10:50:171
211999170,2cyclictest10776-21cpuspeed_turbos08:20:151
211999170,1cyclictest4581-21H212:26:331
211999170,1cyclictest0-21swapper/110:45:091
211999170,16cyclictest4538-21H212:26:331
211999170,16cyclictest4534-21H212:26:331
211999170,16cyclictest4530-21H212:26:331
211999170,16cyclictest4528-21H212:26:331
211999170,16cyclictest4526-21H212:26:331
211999170,16cyclictest20125-21/usr/sbin/munin07:40:221
211999170,16cyclictest15436-21proxymap08:26:201
211899172,1cyclictest9-21ksoftirqd/010:00:010
2118991714,2cyclictest995-21irqbalance08:44:530
2118991714,2cyclictest9816-21nfsd412:05:180
2118991714,2cyclictest4526-21H212:26:330
2118991714,2cyclictest4523-21H212:26:330
2118991714,2cyclictest20712-21cat07:40:150
2118991714,2cyclictest18446-21grep12:20:190
211899171,2cyclictest14351-21chrt11:17:170
211899171,2cyclictest14351-21chrt11:17:170
211899170,2cyclictest7909-21/usr/sbin/munin08:15:200
211899170,2cyclictest4593-21H212:26:330
211899170,2cyclictest4581-21H212:26:330
211899170,2cyclictest4534-21H212:26:330
211899170,2cyclictest4530-21H212:26:330
211899170,2cyclictest4530-21H212:26:330
211899170,2cyclictest4530-21H212:26:330
211899170,2cyclictest4530-21H212:26:330
211899170,2cyclictest4526-21H212:26:330
211899170,2cyclictest10739-21awk11:10:180
211899170,1cyclictest4523-21H212:26:330
211899170,16cyclictest9716-21ntpq10:10:190
211899170,16cyclictest7007-21/usr/sbin/munin10:05:220
211899170,16cyclictest4536-21H212:26:330
211899170,16cyclictest4534-21H212:26:330
211899170,16cyclictest4528-21H212:26:330
211899170,16cyclictest4526-21H212:26:330
211899170,16cyclictest3244-21latency_hist09:05:010
211899170,16cyclictest29995-21snapd08:01:480
211899170,16cyclictest22338-21ls12:30:010
211899170,16cyclictest2198-21cpuspeed_turbos08:05:190
211899170,15cyclictest4536-21H212:26:330
212399160,15cyclictest0-21swapper/211:55:142
212399160,15cyclictest0-21swapper/211:10:132
212399160,15cyclictest0-21swapper/209:55:162
212399160,15cyclictest0-21swapper/209:20:142
2119991613,2cyclictest4526-21H212:26:331
211999160,15cyclictest19291-21apt-get10:30:151
211999160,15cyclictest0-21swapper/110:35:031
2118991614,1cyclictest0-21swapper/011:45:230
2118991614,1cyclictest0-21swapper/007:25:030
211899160,1cyclictest0-21swapper/009:35:210
211899160,1cyclictest0-21swapper/008:20:130
211899160,15cyclictest0-21swapper/010:00:200
211899160,15cyclictest0-21swapper/009:45:060
211899160,15cyclictest0-21swapper/009:40:180
211899160,15cyclictest0-21swapper/009:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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