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2026-04-17 - 06:04
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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 rack2slot0.osadl.org (updated Fri Apr 17, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198162940,0sleep02296399cyclictest00:34:050
86922850,0sleep08684-21sshd21:26:000
110872820,0sleep01-21systemd21:36:590
68432750,0sleep10-21swapper/123:25:101
260592690,1sleep0111rcuc/022:47:160
212612630,0sleep20-21swapper/223:00:552
36342610,0sleep00-21swapper/022:25:200
5732580,0sleep10-21swapper/122:47:531
8052560,0sleep20-21swapper/223:16:052
7442550,0sleep00-21swapper/022:16:310
158722550,0sleep00-21swapper/000:19:400
221812540,0sleep222151-21sshd21:49:422
86212530,0sleep20-21swapper/221:13:572
61202530,0sleep30-21swapper/321:59:533
221692530,0sleep00-21swapper/022:21:170
212562530,1sleep1231rcuc/121:49:371
125742520,0sleep30-21swapper/322:14:463
221822500,0sleep00-21swapper/000:03:100
189962500,2sleep32298699cyclictest00:31:083
167972500,0sleep00-21swapper/021:55:000
256062490,0sleep00-21swapper/000:09:100
131782490,0sleep20-21swapper/223:59:362
316142480,0sleep20-21swapper/222:07:492
132162480,0sleep00-21swapper/000:22:120
66452470,0sleep10-21swapper/100:01:471
93632460,1sleep19357-21bash23:19:441
83542460,2sleep12297399cyclictest22:11:271
140512460,0sleep10-21swapper/121:43:041
2283024231,6sleep20-21swapper/219:09:332
104242420,0sleep2121rcu_preempt23:05:372
54072380,0sleep30-21swapper/322:36:573
227892319,7sleep00-21swapper/019:09:040
2274723110,7sleep30-21swapper/319:08:303
164642240,2sleep02296399cyclictest23:00:300
2251122110,7sleep10-21swapper/119:05:361
62922180,1sleep1674-21dbus-daemon22:02:431
62922180,1sleep1674-21dbus-daemon22:02:421
252652180,0sleep00-21swapper/023:21:050
16552180,1sleep21637-21sshd23:41:322
79802170,0sleep30-21swapper/321:33:493
121402170,0sleep20-21swapper/222:17:342
242742160,1sleep3623-17sedispatch22:41:263
178652160,0sleep30-21swapper/323:06:183
123482160,2sleep32298699cyclictest23:03:003
115422160,0sleep00-21swapper/022:34:420
65932150,0sleep30-21swapper/322:31:213
301342150,0sleep30-21swapper/323:35:343
30082150,0sleep30-21swapper/323:47:193
291362150,0sleep20-21swapper/222:58:522
65702140,0sleep36566-21bash21:48:153
2298099144,1cyclictest33-21ksoftirqd/223:30:492
22973991412,1cyclictest24229-21lspci00:09:021
79792130,1sleep27969-21sshd22:02:512
79792130,1sleep27969-21sshd22:02:512
282782130,0sleep228281-21grep21:38:322
2298699130,1cyclictest0-21swapper/323:26:153
2298099130,12cyclictest7128-21sshd22:48:272
22963991311,1cyclictest0-21swapper/023:19:040
204612130,0sleep30-21swapper/323:34:493
159052130,0sleep015906-21cpuspeed_turbos20:10:080
115382130,1sleep125-21ksoftirqd/121:22:221
32612120,0sleep20-21swapper/221:42:042
245792120,0sleep00-21swapper/022:12:560
241362120,0sleep20-21swapper/200:20:192
22986991210,1cyclictest30196-21sshd23:44:053
22986991210,1cyclictest0-21swapper/300:05:253
2298699120,1cyclictest15922-21sshd22:03:363
2298699120,1cyclictest15922-21sshd22:03:353
2298699120,11cyclictest1072-21nfsd00:02:163
2298099129,2cyclictest5043-21sshd23:27:462
2298099122,1cyclictest33-21ksoftirqd/222:35:212
2298099120,11cyclictest27427-21sshd22:10:162
2298099120,11cyclictest0-21swapper/223:51:062
2298099120,0cyclictest10296-21sshd23:22:372
2297399120,1cyclictest4567-21lspci23:33:231
2297399120,11cyclictest16846-21sshd23:42:531
2297399120,11cyclictest0-21swapper/123:12:241
22963991210,1cyclictest12102-21sshd22:03:150
22963991210,1cyclictest12102-21sshd22:03:140
2296399120,1cyclictest1-21systemd21:23:050
2296399120,11cyclictest674-21dbus-daemon22:52:040
2296399120,11cyclictest10882-21sshd23:25:250
218882120,0sleep00-21swapper/021:46:400
209112120,0sleep20-21swapper/221:31:362
22986991110,0cyclictest0-21swapper/322:09:563
22986991110,0cyclictest0-21swapper/321:50:053
2298699110,10cyclictest0-21swapper/323:23:063
2298699110,10cyclictest0-21swapper/321:44:063
2298699110,10cyclictest0-21swapper/321:15:163
2298099114,1cyclictest33-21ksoftirqd/223:39:222
2298099110,10cyclictest0-21swapper/200:30:062
2298099110,0cyclictest24432-21id21:55:372
2297399110,1cyclictest7231-21sshd22:56:541
2297399110,10cyclictest0-21swapper/123:46:041
2297399110,10cyclictest0-21swapper/122:08:241
2297399110,0cyclictest13154-21sshd21:51:431
2297399110,0cyclictest0-21swapper/121:35:241
2296399119,1cyclictest674-21dbus-daemon23:59:240
22963991110,0cyclictest0-21swapper/023:44:240
22963991110,0cyclictest0-21swapper/022:59:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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