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2025-11-18 - 12:24
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack5slot1.osadl.org (updated Tue Nov 18, 2025 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2289391860,0EcMasterDemoSyn0-21swapper/423:27:354
16592391080,0EcMasterDemoSyn0-21swapper/420:55:274
22052950,1sleep30-21swapper/323:05:223
395039910,0EcMasterDemoSyn396029tAtEmLog_022:01:235
95632900,0sleep50-21swapper/522:05:195
51062830,1sleep45104-21apt-config19:25:004
2721439830,0EcMasterDemoSyn2722429tAtEmLog_023:22:305
984239820,0EcMasterDemoSyn985229tAtEmLog_022:26:445
803539820,0EcMasterDemoSyn804529tAtEmLog_022:47:015
450739820,0EcMasterDemoSyn451729tAtEmLog_019:24:105
2358139820,0EcMasterDemoSyn2359129tAtEmLog_000:28:265
1431739820,0EcMasterDemoSyn1432729tAtEmLog_019:44:275
577039810,0EcMasterDemoSyn578029tAtEmLog_021:41:065
2376939810,0EcMasterDemoSyn2377929tAtEmLog_020:04:445
2279939810,0EcMasterDemoSyn2280929tAtEmLog_021:30:575
1667439810,0EcMasterDemoSyn1668429tAtEmLog_019:49:305
2612839800,0EcMasterDemoSyn2613829tAtEmLog_020:09:485
2106639580,0EcMasterDemoSyn2107629tAtEmLog_021:56:175
29978992924,4cyclictest13571-21turbostat22:30:000
2997899190,15cyclictest28125-21sh23:00:300
106599192,9tDemoTimingTask3389-21taskset20:30:015
2997899185,9cyclictest805-21runrttasks20:27:450
2997899180,14cyclictest20237-21sh21:50:300
2997899180,10cyclictest7336-21sh22:04:230
2138939180,0EcMasterDemoSyn0-21swapper/519:59:395
1903239180,0EcMasterDemoSyn0-21swapper/119:54:351
2998399171,12cyclictest16-1pr/legacy20:24:591
2998399171,12cyclictest16-1pr/legacy20:24:591
2997899170,9cyclictest805-21runrttasks19:43:190
2997899170,9cyclictest10741-21rm21:23:580
2997899170,7cyclictest146-1kworker/0:1H+kblockd23:12:520
1748899170,9tDemoTimingTask21238-21taskset22:35:015
1482629170,7tAtEmLog_017924-21taskset21:28:355
1423339170,0EcMasterDemoSyn0-21swapper/520:50:235
2999199168,6cyclictest9622-21grep23:10:213
2999199165,6cyclictest334-21systemd-journal23:23:503
2999199161,11cyclictest16-1pr/legacy19:49:303
2999199160,9cyclictest11786-21idleruntime-cro00:20:013
2998799165,9cyclictest27334-21/usr/sbin/munin21:55:252
29987991612,3cyclictest4922-21sh00:15:002
2998399160,10cyclictest15165-21rm23:35:371
2997899163,9cyclictest14909-21sh22:09:230
2997899160,9cyclictest32340-21sh22:41:460
2997899160,10cyclictest384-21sh21:16:380
2981329160,7tAtEmLog_032162-21chrt19:13:595
2280929160,9tAtEmLog_027675-21chrt21:35:005
987439150,1EcMasterDemoSyn9880-21ps23:32:390
710829150,14tAtEmLog_04223-21turbostat21:24:555
2999699153,9cyclictest738-21snmpd23:12:344
2999699153,8cyclictest738-21snmpd21:05:024
2999699153,8cyclictest4815-21switchtime20:30:244
2999699152,9cyclictest6388-21ssh22:03:314
2999699150,9cyclictest23153-21runrttasks22:35:264
2999699150,9cyclictest18764-21sh21:29:214
2999699150,9cyclictest14106-21ssh22:08:374
2999699150,6cyclictest29284-21ssh23:45:214
2999199154,6cyclictest16312-21needreboot20:55:213
2999199153,9cyclictest704-21dbus-daemon23:50:233
2999199150,10cyclictest8674-21fschecks_count20:40:163
2998799157,7cyclictest1041-21apache223:11:232
2998799157,6cyclictest5438-21grep21:20:152
2998799155,8cyclictest927-21/usr/sbin/munin19:15:162
2998799155,5cyclictest12841-21uniq00:20:152
2998799154,8cyclictest281-21jbd2/md0-823:38:402
2998799154,8cyclictest21526-21load23:40:222
2998799151,10cyclictest25827-21memory00:05:182
2998799151,10cyclictest11228-21gltestperf20:45:172
2998399154,6cyclictest28281-21expr21:35:161
29983991511,3cyclictest4705-21cpuspeed_turbos22:45:181
2998399151,10cyclictest25439-21taskset23:20:531
2998399150,10cyclictest22391-21sh22:56:591
2997899156,7cyclictest12057-21awk21:45:200
2997899154,8cyclictest22676-21wc22:35:220
2997899153,10cyclictest2384-21mailstats23:05:240
2997899152,9cyclictest28881-21grep20:15:140
2997899152,7cyclictest18159-21ssh22:54:420
2997899151,10cyclictest24828-21sh21:10:410
2997899150,9cyclictest3663-21sh00:37:460
2997899150,8cyclictest805-21runrttasks21:07:110
2997899150,7cyclictest17767-21sh22:32:020
2997899150,6cyclictest3082-21ssh23:28:160
2997899150,10cyclictest29258-21chrt23:24:230
2999699144,8cyclictest29679-21/usr/sbin/munin21:15:134
2999699143,8cyclictest20449-21postgres23:18:054
2999699141,10cyclictest805-21runrttasks21:51:154
2999699141,10cyclictest30981-21cat20:20:004
29996991410,3cyclictest728-21gdbus00:15:004
2999699140,9cyclictest27056-21sh21:55:214
2999699140,10cyclictest805-21runrttasks21:31:164
2999699140,10cyclictest805-21runrttasks21:00:174
2999699140,10cyclictest805-21runrttasks00:37:334
2999699140,10cyclictest7938-21diskstats19:30:144
2999699140,10cyclictest7362-21rm21:21:014
2999699140,10cyclictest4255-21ssh22:45:064
2999699140,10cyclictest334-21systemd-journal22:50:074
2999699140,10cyclictest2843-21chrt20:25:354
2999699140,10cyclictest28203-21ssh21:14:034
2999699140,10cyclictest27778-21ssh21:35:064
2999699140,10cyclictest26495-21/usr/sbin/munin20:10:254
2999699140,10cyclictest26107-21runrttasks23:43:494
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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