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2026-06-18 - 10:33
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Thu Jun 18, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218302820,2sleep02484899cyclictest00:37:280
188902780,0sleep10-21swapper/123:28:011
185252710,1sleep018526-21systemd-cgroups00:29:350
164382690,0sleep70-21swapper/723:50:577
64252660,0sleep60-21swapper/621:57:556
320692570,2sleep72490399cyclictest23:40:167
56682550,0sleep70-21swapper/722:30:007
218782520,1sleep521875-21sshd00:25:555
147082520,2sleep42487999cyclictest22:23:004
315872500,1sleep131525-21sshd21:47:491
2452924925,8sleep60-21swapper/619:05:476
2442124926,8sleep10-21swapper/119:04:141
21342480,1sleep665-21ksoftirqd/600:07:466
190542480,1sleep319044-21bash21:39:343
77942470,0sleep60-21swapper/621:31:206
66322450,1sleep62489599cyclictest23:04:116
50372450,1sleep65034-21bash21:19:516
283602450,0sleep328362-21kworker/u16:122:33:163
245442450,0sleep20-21swapper/221:19:072
75092440,0sleep70-21swapper/722:51:067
34922440,0sleep30-21swapper/321:33:013
225552440,0sleep00-21swapper/022:55:480
89212430,0sleep40-21swapper/423:25:314
37752430,0sleep1758-21runrttasks22:31:541
251192430,1sleep5561ktimersoftd/523:47:355
292522420,1sleep62489599cyclictest22:18:056
2443324228,10sleep40-21swapper/419:04:254
99382410,0sleep20-21swapper/200:04:142
44772410,1sleep14463-21bash00:34:241
262202410,0sleep60-21swapper/621:53:156
2442724129,9sleep70-21swapper/719:04:207
25272400,1sleep32509-21bash00:30:343
2467924027,9sleep20-21swapper/219:07:522
2456324027,9sleep00-21swapper/019:06:130
2442524028,8sleep50-21swapper/519:04:185
237872400,0sleep70-21swapper/721:19:047
2220324022,14sleep30-21swapper/319:02:563
175182400,0sleep30-21swapper/322:51:423
45872390,0sleep30-21swapper/323:13:373
299252390,0sleep20-21swapper/222:25:462
296202390,0sleep30-21swapper/322:03:053
23352390,0sleep40-21swapper/423:46:144
139182390,1sleep013912-21grepconf.sh21:48:360
15992330,0sleep5551rcuc/500:13:225
324962280,1sleep2694-21nscd21:25:072
24895992410,3cyclictest65-21ksoftirqd/623:30:266
24895992316,4cyclictest65-21ksoftirqd/623:11:006
2486399237,1cyclictest131rcu_sched23:04:352
2489599229,3cyclictest65-21ksoftirqd/622:58:586
2489599227,2cyclictest65-21ksoftirqd/600:34:216
2489599224,9cyclictest65-21ksoftirqd/623:20:016
2486399226,2cyclictest33-21ksoftirqd/222:21:492
172762220,1sleep017277-21grepconf.sh23:35:360
2489599216,2cyclictest65-21ksoftirqd/621:27:166
2486399219,3cyclictest33-21ksoftirqd/223:23:592
2486399216,1cyclictest33-21ksoftirqd/223:54:072
2486399214,3cyclictest33-21ksoftirqd/222:34:482
2486399214,2cyclictest33-21ksoftirqd/223:33:362
24863992118,3cyclictest33-21ksoftirqd/200:27:002
12362210,1sleep71238-21bash00:26:377
2489599209,3cyclictest65-21ksoftirqd/600:24:176
2489599209,2cyclictest65-21ksoftirqd/623:42:146
2489599205,3cyclictest65-21ksoftirqd/622:07:536
2489599204,1cyclictest65-21ksoftirqd/621:52:296
24895992015,3cyclictest65-21ksoftirqd/622:55:486
2486399208,1cyclictest33-21ksoftirqd/221:35:412
2486399206,2cyclictest33-21ksoftirqd/223:09:102
2486399203,3cyclictest33-21ksoftirqd/223:19:512
2486399202,1cyclictest33-21ksoftirqd/200:33:412
24863992017,3cyclictest33-21ksoftirqd/221:16:572
24863992016,3cyclictest33-21ksoftirqd/200:17:082
24863992015,3cyclictest33-21ksoftirqd/222:28:382
24863992015,3cyclictest33-21ksoftirqd/221:53:532
24863992014,3cyclictest33-21ksoftirqd/223:13:572
24863992013,4cyclictest33-21ksoftirqd/222:53:022
129992200,1sleep312998-21sshd23:33:233
49062190,1sleep64910-21gltestperf19:28:046
2489599197,2cyclictest65-21ksoftirqd/622:16:526
2489599195,3cyclictest65-21ksoftirqd/600:01:006
2489599194,3cyclictest65-21ksoftirqd/621:14:406
2489599194,1cyclictest121rcu_preempt21:35:416
24895991915,1cyclictest65-21ksoftirqd/621:10:226
24895991915,0cyclictest65-21ksoftirqd/622:26:496
24895991912,4cyclictest65-21ksoftirqd/621:46:456
24895991911,5cyclictest65-21ksoftirqd/600:18:136
2486399195,3cyclictest33-21ksoftirqd/223:50:502
2486399195,3cyclictest33-21ksoftirqd/223:46:422
2486399195,1cyclictest33-21ksoftirqd/223:42:422
145572190,0sleep30-21swapper/323:22:103
264532180,0sleep00-21swapper/023:24:390
2489599187,5cyclictest65-21ksoftirqd/623:46:526
2489599186,3cyclictest65-21ksoftirqd/600:14:046
2489599185,2cyclictest65-21ksoftirqd/622:47:116
24895991816,1cyclictest65-21ksoftirqd/621:39:596
24895991814,1cyclictest65-21ksoftirqd/622:48:126
24895991814,1cyclictest65-21ksoftirqd/622:36:596
24895991813,2cyclictest65-21ksoftirqd/623:53:236
2486399189,1cyclictest33-21ksoftirqd/200:28:502
2486399187,1cyclictest33-21ksoftirqd/223:59:062
2486399186,3cyclictest33-21ksoftirqd/222:05:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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