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2026-07-27 - 21:47
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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 Mon Jul 27, 2026 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10389996745066,4597cyclictest16168-21kworker/0:107:20:160
10389984854385,4090cyclictest16168-21kworker/0:107:44:240
10389979024150,3701cyclictest16168-21kworker/0:107:14:140
10389977824006,3762cyclictest16168-21kworker/0:108:16:260
10389977203859,3811cyclictest16168-21kworker/0:107:18:510
10389977154176,3525cyclictest16168-21kworker/0:108:42:400
10389968473667,3170cyclictest16168-21kworker/0:107:25:550
10389966813584,3086cyclictest16168-21kworker/0:107:34:150
10389963783506,2859cyclictest16168-21kworker/0:108:39:140
10389963303163,3116cyclictest16168-21kworker/0:108:12:480
10389958913193,2687cyclictest16168-21kworker/0:107:58:080
8872778184,203sleep00-21swapper07:09:260
10389950552,392cyclictest2448-21ssh12:26:510
10389946053,336cyclictest4924-21runrttasks12:20:240
1038994540,440cyclictest15918-21grep07:45:380
10389945177,190cyclictest13-21rcuc/012:16:360
10389945063,373cyclictest22953-21ssh09:29:500
10389944888,347cyclictest351950irq/10-yenta11:35:550
1038994485,429cyclictest17492-21strings10:31:000
1038994451,384cyclictest14373-21diskmemload11:27:060
1038994446,378cyclictest68632sleep011:21:110
1038994421,381cyclictest14373-21diskmemload09:20:100
10389943449,372cyclictest7281-21sendmail-mta12:38:580
1038994338,355cyclictest30465-21grep08:25:270
10389943052,365cyclictest22349-21fschecks_count10:41:420
10389942540,371cyclictest29036-21ssh10:57:480
10389942147,190cyclictest14373-21diskmemload09:36:470
10389941955,351cyclictest13-21rcuc/010:27:380
10389941646,356cyclictest11-21ksoftirqd/011:56:110
10389941049,301cyclictest24555-21ssh10:46:520
10389940746,301cyclictest11-21ksoftirqd/010:24:010
10389940740,353cyclictest4924-21runrttasks10:17:110
10389940535,370cyclictest0-21swapper09:18:440
10389940445,346cyclictest351950irq/10-yenta10:38:510
10389940231,371cyclictest0-21swapper12:11:490
10389940174,313cyclictest22140-31updatedb.mlocat08:03:560
10389940131,370cyclictest0-21swapper11:14:320
10389940035,365cyclictest0-21swapper09:07:430
10389939839,354cyclictest11-21ksoftirqd/009:52:320
10389939534,361cyclictest0-21swapper12:03:540
10389939236,356cyclictest0-21swapper08:08:120
10389939231,361cyclictest0-21swapper09:59:210
10389939231,361cyclictest0-21swapper09:11:530
10389938932,357cyclictest25961-21ssh12:05:490
10389938921,309cyclictest0-21swapper10:13:130
10389938835,353cyclictest0-21swapper08:59:530
10389938538,334cyclictest4924-21runrttasks07:35:290
10389938432,350cyclictest4769-21ssh11:16:190
1038993807,359cyclictest14373-21diskmemload10:02:290
1038993755,356cyclictest11638-21ssh11:31:570
10389937336,337cyclictest0-21swapper10:07:450
10389937098,259cyclictest4285-21lldpd09:32:450
1038993685,349cyclictest28948-21chrt09:42:170
10389936596,256cyclictest11-21ksoftirqd/012:31:020
1038993606,339cyclictest29972-21cpu11:00:350
10389935576,265cyclictest19675-21strings11:51:090
1038993541,339cyclictest15365-21strings11:41:040
1038993520,339cyclictest31467-21ssh09:49:120
10389935198,80cyclictest13-21rcuc/011:50:050
10389935189,249cyclictest344450irq/10-eth011:07:130
10389935179,260cyclictest4285-21lldpd08:31:590
10389935156,295cyclictest0-21swapper09:01:050
1038993511,350cyclictest0-21swapper08:45:130
10389934874,260cyclictest4285-21lldpd07:54:130
1038993474,343cyclictest0-21swapper08:24:430
10389934532,80cyclictest12-21rcu_preempt08:50:480
10389933867,212cyclictest25391-21runrttasks10:50:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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