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2026-05-23 - 03:21
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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 May 23, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61779997795109,4659cyclictest5791-21kworker/0:019:15:530
61779990284469,4544cyclictest5791-21kworker/0:019:52:140
61779975353876,3635cyclictest5791-21kworker/0:019:14:140
61779970253746,3264cyclictest5791-21kworker/0:019:29:390
61779967613672,3066cyclictest5791-21kworker/0:019:23:190
61779965163501,3011cyclictest5791-21kworker/0:019:31:130
61779962063294,2861cyclictest5791-21kworker/0:019:38:200
61779949352470,2442cyclictest5791-21kworker/0:019:55:240
57212808183,203sleep00-21swapper19:06:520
61779953194,367cyclictest20682-21cut19:45:470
61779952534,422cyclictest21704-21diskmemload23:52:380
6177995224,456cyclictest21704-21diskmemload21:27:530
61779951454,446cyclictest11985-21ssh00:35:480
61779950955,439cyclictest23158-21ssh22:28:520
61779950755,438cyclictest1510-21ssh21:37:300
61779950754,439cyclictest27262-21ssh22:37:210
61779950754,438cyclictest22095-21ssh23:41:560
61779950552,439cyclictest30441-21ssh00:01:550
61779950033,404cyclictest13823-21console-kit-dae20:48:100
61779949055,193cyclictest8570-21grep21:55:170
61779948653,256cyclictest32549-21sed22:50:400
61779948554,360cyclictest31115-21munin-node00:05:140
61779947935,382cyclictest12100-21ssh23:19:440
61779946935,434cyclictest0-21swapper21:52:090
61779946773,380cyclictest34292sleep022:58:430
61779945434,396cyclictest20453-21ssh23:39:360
61779944989,347cyclictest21704-21diskmemload22:12:220
61779944872,190cyclictest21704-21diskmemload00:27:250
61779944573,87cyclictest12-21rcu_preempt22:03:510
61779944364,366cyclictest13-21rcuc/020:00:310
6177994424,422cyclictest21704-21diskmemload00:24:220
61779944064,362cyclictest21704-21diskmemload22:47:280
61779943863,361cyclictest21704-21diskmemload22:20:100
61779943772,365cyclictest0-21swapper21:47:280
61779943573,303cyclictest16147-21ssh23:28:510
6177994345,368cyclictest0-21swapper20:22:360
6177994340,374cyclictest0-21swapper21:07:380
61779943353,196cyclictest13873-21sshd23:22:490
61779943132,384cyclictest12695-21ssh22:05:120
61779942960,355cyclictest23680-21ssh23:46:110
61779942755,196cyclictest4735-21ssh00:19:050
61779942667,359cyclictest0-21swapper21:32:330
61779942560,350cyclictest21704-21diskmemload21:14:480
61779942453,188cyclictest10313-21ssh00:31:240
61779942373,32cyclictest13-21rcuc/022:15:530
61779942233,329cyclictest4894-21runrttasks23:09:500
61779941474,282cyclictest13-21rcuc/021:23:070
61779941055,340cyclictest24806-21ssh22:31:400
61779940955,339cyclictest29566-21ssh22:43:270
61779940954,340cyclictest4082-21ssh21:44:380
61779940855,340cyclictest28757-21ssh23:59:170
61779940854,340cyclictest2633-21ssh00:14:400
61779939235,357cyclictest0-21swapper23:03:260
61779938934,355cyclictest0-21swapper20:53:160
61779938735,352cyclictest0-21swapper21:18:360
61779938733,293cyclictest326592sleep020:19:540
61779938114,367cyclictest0-21swapper20:28:400
61779937755,308cyclictest21704-21diskmemload23:31:060
61779937732,284cyclictest16280-21munin-node20:55:210
61779937133,314cyclictest4538-21sed20:30:270
61779937099,258cyclictest11-21ksoftirqd/020:05:370
61779936491,88cyclictest29303-21df20:10:200
61779936335,312cyclictest10539-21lsb_release20:43:530
61779936235,312cyclictest8926-21ssh23:10:580
61779936234,313cyclictest4894-21runrttasks21:00:120
61779936234,313cyclictest4894-21runrttasks20:38:580
6177993530,339cyclictest0-21swapper19:41:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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