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2026-03-06 - 16:06
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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 Mar 06, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186942940,0sleep20-21swapper/212:08:462
42112890,0sleep24212-21sshd12:21:142
99492820,0sleep29951-21grep10:48:192
267342650,0sleep126727-21sshd10:27:421
312842580,0sleep00-21swapper/010:50:080
155312560,0sleep20-21swapper/212:36:002
78062550,0sleep30-21swapper/311:37:343
81332540,1sleep00-21swapper/011:23:530
254802540,0sleep30-21swapper/309:34:133
95942530,0sleep20-21swapper/211:35:002
92522530,1sleep233-21ksoftirqd/209:39:252
93522520,1sleep39351-21sshd09:53:163
193932520,0sleep219377-21sshd11:08:212
174532520,0sleep00-21swapper/011:57:380
114092520,0sleep20-21swapper/209:21:552
98752510,0sleep00-21swapper/011:43:160
312532510,0sleep20-21swapper/209:14:182
30592510,1sleep23053-21sshd11:23:272
224902510,0sleep10-21swapper/110:21:501
46662500,0sleep00-21swapper/009:45:450
272082500,0sleep00-21swapper/011:39:150
161892500,0sleep00-21swapper/010:32:180
134322500,0sleep30-21swapper/312:35:493
308072490,0sleep30-21swapper/311:50:283
292282490,0sleep10-21swapper/109:51:541
166682490,0sleep016671-21grep10:11:200
134312490,2sleep12144399cyclictest11:29:511
195052480,1sleep319504-21bash09:47:233
113082480,1sleep111307-21grep10:59:261
179852470,0sleep0101ktimersoftd/010:08:030
155082470,0sleep00-21swapper/011:27:140
65512460,0sleep3391rcuc/311:07:133
174512460,0sleep00-21swapper/012:16:520
264032450,0sleep026404-21sshd12:34:150
2099224230,7sleep30-21swapper/307:05:523
246772410,0sleep00-21swapper/011:52:440
1954823821,12sleep20-21swapper/207:05:182
265542360,1sleep326557-21sshd11:58:243
209582219,7sleep10-21swapper/107:05:291
209752208,7sleep00-21swapper/007:05:400
154382180,0sleep00-21swapper/012:05:390
51622170,1sleep1231rcuc/109:32:001
316052170,1sleep231590-21lspci09:25:192
213342170,1sleep221303-21sshd10:24:322
166742170,0sleep20-21swapper/210:40:332
135412170,0sleep30-21swapper/312:08:183
133542170,0sleep00-21swapper/009:16:400
323252160,2sleep02143799cyclictest09:34:590
301242160,1sleep330103-21sshd11:47:433
240582160,0sleep00-21swapper/012:28:290
130582150,0sleep20-21swapper/210:26:312
122252150,0sleep10-21swapper/112:19:131
78812140,0sleep10-21swapper/111:18:211
75032140,1sleep17501-21lspci11:45:451
133842140,0sleep00-21swapper/011:46:160
245162130,0sleep30-21swapper/309:44:323
2145899130,12cyclictest0-21swapper/309:13:063
149632130,0sleep214954-21lspci12:00:112
265862120,0sleep026549-21sshd10:35:550
2145899120,11cyclictest0-21swapper/311:01:163
2145099120,1cyclictest11855-21id11:29:432
2145099120,11cyclictest10548-21bash10:59:222
21443991210,1cyclictest1032-21bash09:35:041
2144399120,1cyclictest24888-21sshd09:58:251
2144399120,11cyclictest1-21systemd12:26:441
21437991210,1cyclictest15215-21lspci12:02:560
21437991210,1cyclictest0-21swapper/010:57:560
2143799120,0cyclictest0-21swapper/009:51:060
2145899119,1cyclictest0-21swapper/312:14:263
21458991110,0cyclictest0-21swapper/312:30:063
21458991110,0cyclictest0-21swapper/312:15:173
2145899110,10cyclictest0-21swapper/311:25:273
2145899110,10cyclictest0-21swapper/311:14:373
2145899110,10cyclictest0-21swapper/310:25:263
2145899110,0cyclictest0-21swapper/311:33:563
2145099119,1cyclictest18044-21lspci10:51:422
21450991110,0cyclictest0-21swapper/211:37:022
21450991110,0cyclictest0-21swapper/210:38:422
2145099110,10cyclictest0-21swapper/207:25:222
2144399110,10cyclictest14880-21sshd12:02:541
2143799119,1cyclictest14513-21grep11:18:570
2143799119,1cyclictest0-21swapper/010:22:360
21437991110,0cyclictest0-21swapper/012:11:260
21437991110,0cyclictest0-21swapper/010:15:560
2143799110,10cyclictest0-21swapper/009:57:470
2143799110,10cyclictest0-21swapper/008:20:160
2143799110,0cyclictest0-21swapper/011:13:560
2143799110,0cyclictest0-21swapper/009:23:370
2145899109,0cyclictest0-21swapper/311:40:063
2145899109,0cyclictest0-21swapper/310:53:363
2145899100,0cyclictest0-21swapper/310:32:273
2145899100,0cyclictest0-21swapper/310:12:063
2145099109,0cyclictest0-21swapper/212:16:232
2145099109,0cyclictest0-21swapper/210:16:122
2145099109,0cyclictest0-21swapper/209:59:532
2145099109,0cyclictest0-21swapper/209:46:322
2145099109,0cyclictest0-21swapper/209:01:022
2145099101,0cyclictest131rcu_sched11:41:392
2145099100,9cyclictest0-21swapper/211:45:522
2145099100,9cyclictest0-21swapper/208:03:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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