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2026-05-27 - 12:40
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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 all highest latencies:
System rack6slot5.osadl.org (updated Wed May 27, 2026 00:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46529971503565,3534cyclictest15150-21kworker/0:219:23:140
46529963333403,2926cyclictest15150-21kworker/0:219:15:320
46529962583239,2996cyclictest15150-21kworker/0:219:25:150
46529961493271,2826cyclictest15150-21kworker/0:219:14:060
40242753184,178sleep00-21swapper19:05:380
46529952832,434cyclictest12743-21munin-node19:30:120
46529952733,433cyclictest27462-21munin-node20:10:530
46529952632,423cyclictest6248-21munin-node22:00:510
46529952532,423cyclictest22632-21sed23:55:500
46529952170,381cyclictest5041-21runrttasks00:30:550
46529951630,303cyclictest6571-21nscd23:37:300
46529951556,398cyclictest17169-21diskmemload21:51:510
46529951455,397cyclictest17169-21diskmemload23:25:160
46529951354,389cyclictest17169-21diskmemload23:52:130
46529951332,410cyclictest588-21cut21:46:090
46529951330,411cyclictest8811-21sed22:05:380
46529951054,441cyclictest30606-21ssh22:57:120
46529950933,405cyclictest11476-21munin-node23:31:250
46529950855,439cyclictest17449-21ssh23:43:550
46529950754,439cyclictest12013-21ssh22:12:230
46529950656,380cyclictest17169-21diskmemload00:14:000
46529950655,438cyclictest18758-21ssh22:29:230
46529950432,409cyclictest24466-21awk00:00:380
46529950233,398cyclictest7562-21gltestperf23:20:300
46529949255,261cyclictest31849-21ssh00:17:370
46529948955,248cyclictest31363-21cstates21:41:480
46529948864,248cyclictest18908-21uniq23:46:290
46529947353,359cyclictest20865-21needreboot19:50:440
46529947156,353cyclictest5272sleep000:20:440
4652994699,460cyclictest0-21swapper19:37:170
46529946953,346cyclictest4440-21seq20:35:170
46529946633,417cyclictest1143-21grep23:05:300
46529946471,379cyclictest11-21ksoftirqd/022:37:560
46529946034,411cyclictest14590-21ssh22:19:510
46529945833,410cyclictest32113-21ssh23:01:070
46529945532,407cyclictest24901-21perl20:01:060
46529945432,408cyclictest683-21awk20:25:200
46529945331,407cyclictest30374-21fschecks_time20:16:020
46529945235,234cyclictest28609-21munin-node21:35:540
46529945233,404cyclictest3880-21uname23:10:590
46529944769,193cyclictest9501-21python00:41:180
46529944568,363cyclictest20733-21chrt22:33:360
46529944372,357cyclictest21655-21kworker/u2:000:10:060
46529944329,398cyclictest10218-21cut20:50:260
46529944271,358cyclictest27690-21ssh21:34:330
46529944270,359cyclictest16410-21ssh22:23:080
46529944180,348cyclictest345450irq/10-yenta23:19:010
46529944033,392cyclictest7110-21kworker/u2:000:37:250
4652994395,374cyclictest0-21swapper20:48:430
4652994385,418cyclictest6620-21sed20:40:290
46529943774,302cyclictest13-21rcuc/000:26:290
46529943732,391cyclictest196432chrt19:47:080
46529943732,238cyclictest25491-21ssh21:29:070
4652994323,360cyclictest5010-21ssh21:56:110
46529943152,88cyclictest26561-21sshd22:47:580
46529942155,352cyclictest24629-21ssh22:43:560
46529940955,339cyclictest17165-21cron21:10:010
46529940853,340cyclictest21013-21ssh21:17:560
46529940853,340cyclictest17406-21kworker/u2:221:13:290
46529940753,340cyclictest23006-21ssh21:22:080
46529940653,339cyclictest28870-21ssh22:54:130
46529940053,333cyclictest3584-19ntpd21:04:580
46529939028,88cyclictest22307-21cut19:55:270
46529937934,330cyclictest3666-21tune2fs20:31:130
4652993674,340cyclictest31835-21memory20:20:400
46529936732,320cyclictest26832-21cat20:06:130
4652993671,353cyclictest0-21swapper19:44:360
46529936133,314cyclictest11753-21mailstats20:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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