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2026-04-18 - 10:27
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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 rack6slot5.osadl.org (updated Sat Apr 18, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54209999835294,4684cyclictest9462-21kworker/0:219:29:040
54209998055109,4685cyclictest18330-21kworker/0:020:14:480
54209997305174,4551cyclictest9462-21kworker/0:219:20:020
54209992134828,4374cyclictest18330-21kworker/0:019:42:550
54209991564866,4238cyclictest32204-21kworker/0:222:14:380
54209989574603,4350cyclictest9462-21kworker/0:219:34:560
54209983074122,4170cyclictest24313-21kworker/0:119:14:190
54209982144508,3676cyclictest18330-21kworker/0:019:53:390
54209982064508,3675cyclictest17971-21kworker/0:023:29:540
54209981424219,3908cyclictest32204-21kworker/0:221:50:260
54209977674053,3663cyclictest19889-21kworker/0:121:17:340
54209977434143,3549cyclictest18330-21kworker/0:020:02:540
54209977254163,3547cyclictest23315-21kworker/0:023:41:290
54209976294023,3583cyclictest8453-21kworker/0:000:21:550
54209975173855,3648cyclictest15848-21kworker/0:121:03:270
54209974773902,3523cyclictest9576-21kworker/0:223:14:300
54209974403891,3498cyclictest23315-21kworker/0:023:39:310
54209974374021,3402cyclictest9576-21kworker/0:223:17:440
54209974114004,3383cyclictest27532-21kworker/0:122:40:540
54209973783858,3505cyclictest3575-21kworker/0:023:02:210
54209972783913,3314cyclictest21188-21kworker/0:122:27:550
54209971743755,3359cyclictest8453-21kworker/0:000:33:060
54209971563770,3363cyclictest18330-21kworker/0:020:41:300
54209971423795,3343cyclictest24313-21kworker/0:119:16:160
54209971373592,3530cyclictest8453-21kworker/0:000:19:580
54209970503654,3354cyclictest32204-21kworker/0:221:47:150
54209966013512,3075cyclictest27532-21kworker/0:122:52:120
54209965903485,3089cyclictest18330-21kworker/0:020:37:440
54209965703459,3060cyclictest18330-21kworker/0:019:49:210
54209965613262,3250cyclictest3575-21kworker/0:023:05:250
54209965603433,3067cyclictest27532-21kworker/0:122:38:560
54209964833510,2913cyclictest32204-21kworker/0:222:01:520
54209963023322,2928cyclictest18330-21kworker/0:020:26:550
54209961873259,2868cyclictest22069-21kworker/0:021:32:230
54209961613296,2850cyclictest8453-21kworker/0:000:35:070
54209961593302,2846cyclictest23315-21kworker/0:023:53:180
54209961473346,2758cyclictest18330-21kworker/0:020:53:110
54209961023228,2823cyclictest3120-21kworker/0:000:05:000
54209958522920,2918cyclictest22069-21kworker/0:021:35:260
54209949402471,2455cyclictest3120-21kworker/0:000:06:540
54209948112416,2371cyclictest32204-21kworker/0:222:16:380
50052777184,201sleep00-21swapper19:07:110
54209951333,465cyclictest4894-21runrttasks22:49:180
54209949133,397cyclictest4894-21runrttasks23:21:220
54209948032,278cyclictest22943-21ntp_states19:55:180
54209947837,380cyclictest18293-21diskmemload00:27:040
54209947532,383cyclictest9152-21ssh22:00:010
54209947032,264cyclictest3231-21ssh22:55:320
54209946035,425cyclictest0-21swapper20:56:360
54209946034,365cyclictest4894-21runrttasks21:23:560
54209945834,363cyclictest18293-21diskmemload23:55:420
54209945832,364cyclictest18794-21egrep21:10:370
54209945832,355cyclictest18293-21diskmemload22:05:410
54209945532,408cyclictest17128-21turbostat19:40:010
54209945531,353cyclictest24954-21rm22:30:560
54209945390,350cyclictest13-21rcuc/023:45:100
54209945231,360cyclictest19457-21df_abs22:20:420
54209945132,359cyclictest18293-21diskmemload23:34:300
54209945064,201cyclictest25747-21sed21:25:390
54209944834,354cyclictest6023-21runrttasks00:10:140
54209944732,353cyclictest31667-21cron20:17:000
54209944064,362cyclictest0-21swapper20:24:190
54209943752,372cyclictest0-21swapper20:49:090
54209943731,346cyclictest1203-21ps21:41:410
54209940432,139cyclictest4900-21seq20:31:590
54209937837,326cyclictest4894-21runrttasks20:10:020
54209937435,325cyclictest183132sleep021:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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