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2026-07-18 - 03:19
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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 Sat Jul 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2094121050,2sleep42874799cyclictest21:52:054
155652750,2sleep32874699cyclictest22:13:423
155652750,2sleep32874699cyclictest22:13:423
200952700,1sleep320096-21grepconf.sh22:41:213
171052650,1sleep32874699cyclictest22:57:313
277042640,0sleep00-21swapper/023:49:180
319992540,1sleep432000-21sshd23:31:204
107662540,1sleep7464-21systemd-journal23:13:377
148712530,2sleep72875099cyclictest23:26:427
103332520,0sleep010326-21sshd00:04:480
2846025125,9sleep40-21swapper/419:05:254
212692510,0sleep40-21swapper/423:21:354
125182510,0sleep00-21swapper/021:24:210
116822510,0sleep50-21swapper/523:37:225
28472500,1sleep7721ktimersoftd/723:44:137
28472500,1sleep7721ktimersoftd/723:44:137
2845625025,9sleep00-21swapper/019:05:210
140012500,0sleep40-21swapper/421:38:594
2826224825,9sleep60-21swapper/619:02:476
94012470,1sleep69374-21cp22:04:166
2829624735,8sleep50-21swapper/519:03:105
173952470,1sleep117369-21bash21:11:571
91402460,2sleep32874699cyclictest23:26:223
39382450,0sleep43937-21sshd22:11:194
288412440,0sleep00-21swapper/000:09:280
213852440,0sleep60-21swapper/622:15:536
213852440,0sleep60-21swapper/622:15:536
118672440,0sleep60-21swapper/600:12:076
56072430,2sleep72875099cyclictest00:11:527
33812430,0sleep60-21swapper/623:13:126
299612430,0sleep5721-21dbus-daemon00:20:315
25392430,1sleep02533-21systemd00:33:310
25392430,1sleep02533-21systemd00:33:310
84492420,0sleep60-21swapper/622:37:006
281882420,0sleep60-21swapper/600:05:506
265632420,0sleep20-21swapper/222:23:262
258382420,0sleep30-21swapper/323:05:243
112142420,0sleep60-21swapper/600:30:256
39882410,2sleep02873899cyclictest23:13:140
2842724130,8sleep20-21swapper/219:04:592
243192410,0sleep50-21swapper/500:21:595
194272410,0sleep60-21swapper/620:41:596
166072410,1sleep716596-21sshd00:23:217
157712410,0sleep40-21swapper/422:41:064
157482410,0sleep40-21swapper/422:02:464
2854424028,9sleep30-21swapper/319:06:373
174512400,0sleep10-21swapper/100:14:181
2839623926,9sleep70-21swapper/719:04:327
2827523926,9sleep10-21swapper/119:02:581
264682390,0sleep50-21swapper/523:52:525
250762390,0sleep00-21swapper/021:45:040
245222390,2sleep02873899cyclictest21:41:270
19572390,0sleep10-21swapper/121:54:421
172022390,0sleep417200-21sshd21:50:044
6552380,0sleep00-21swapper/022:12:510
6552380,0sleep00-21swapper/022:12:510
251452380,0sleep60-21swapper/620:52:006
240672380,0sleep70-21swapper/723:27:077
59072370,0sleep00-21swapper/000:11:530
128442370,0sleep40-21swapper/421:17:054
167802360,0sleep20-21swapper/221:09:582
116672280,0sleep50-21swapper/521:24:185
106442280,20sleep213550irq/24-ahci[00000:17:312
2873899235,1cyclictest9-21ksoftirqd/021:14:570
299172220,0sleep40-21swapper/422:18:084
28738992220,1cyclictest9-21ksoftirqd/022:26:060
317812200,0sleep10-21swapper/123:25:481
28738992015,4cyclictest9-21ksoftirqd/022:28:150
226402200,1sleep522641-21grepconf.sh00:36:335
226402200,1sleep522641-21grepconf.sh00:36:335
100982200,0sleep50-21swapper/521:51:335
26762190,1sleep72649-21sshd22:07:297
28746991814,1cyclictest41-21ksoftirqd/323:21:403
28744991815,2cyclictest25-21ksoftirqd/121:45:301
28738991816,1cyclictest15953-21cp00:01:310
28746991716,1cyclictest41-21ksoftirqd/322:26:463
28746991711,3cyclictest41-21ksoftirqd/321:59:013
28745991715,1cyclictest33-21ksoftirqd/221:28:302
2874599170,16cyclictest32657-21kworker/2:022:16:552
2874599170,1cyclictest131rcu_sched23:45:282
2874599170,1cyclictest131rcu_sched23:45:282
28744991716,1cyclictest25-21ksoftirqd/122:13:141
28744991716,1cyclictest25-21ksoftirqd/122:13:141
28744991715,1cyclictest25-21ksoftirqd/121:33:491
28744991714,1cyclictest25-21ksoftirqd/123:12:441
28738991716,1cyclictest9-21ksoftirqd/023:28:410
28738991716,1cyclictest9-21ksoftirqd/022:31:510
28738991715,1cyclictest9-21ksoftirqd/022:40:390
28738991715,0cyclictest0-21swapper/022:52:010
28738991714,1cyclictest9-21ksoftirqd/021:28:500
2873899170,1cyclictest131rcu_sched23:55:490
115842170,1sleep411552-21sshd22:15:194
115842170,1sleep411552-21sshd22:15:194
115692170,1sleep7663-21in:imjournal00:34:027
115692170,1sleep7663-21in:imjournal00:34:027
57572160,2sleep12874499cyclictest23:38:541
298632160,0sleep10-21swapper/123:54:561
28746991614,1cyclictest41-21ksoftirqd/323:07:453
28746991614,1cyclictest41-21ksoftirqd/322:54:123
28746991614,1cyclictest41-21ksoftirqd/321:50:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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