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2025-12-06 - 06:47
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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 Sat Dec 06, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
444421060,0sleep10-21swapper/100:22:191
1871521000,2sleep02552399cyclictest22:43:450
76852970,0sleep30-21swapper/323:45:523
92442960,0sleep30-21swapper/321:28:543
220012790,0sleep10-21swapper/123:50:311
229662680,0sleep10-21swapper/100:00:281
80172630,0sleep10-21swapper/122:59:121
129972620,1sleep312995-21lspci23:43:123
270942590,1sleep127087-21sshd23:44:431
262672590,0sleep20-21swapper/221:36:502
277822570,0sleep20-21swapper/221:21:082
218312570,0sleep30-21swapper/322:44:043
212622570,0sleep20-21swapper/221:58:292
69292560,0sleep10-21swapper/123:09:091
59302550,0sleep00-21swapper/021:41:090
237262550,0sleep00-21swapper/023:57:180
199792550,0sleep00-21swapper/021:17:140
98362530,0sleep30-21swapper/322:52:413
189802530,0sleep00-21swapper/023:13:450
89152500,0sleep10-21swapper/100:38:131
87782500,1sleep18770-21lspci23:32:441
103132490,1sleep341-21ksoftirqd/300:22:573
321642470,0sleep10-21swapper/121:18:271
148872470,0sleep00-21swapper/022:23:260
138952470,0sleep20-21swapper/221:19:522
7262460,2sleep12552999cyclictest21:53:191
189602460,1sleep0111rcuc/020:10:190
311172450,0sleep30-21swapper/323:38:193
311172450,0sleep30-21swapper/323:38:193
156812430,0sleep00-21swapper/021:39:000
91902410,0sleep20-21swapper/221:44:432
27752400,0sleep20-21swapper/222:42:082
284672370,2sleep02552399cyclictest23:04:480
152962360,1sleep015293-21lspci22:46:370
170322350,0sleep20-21swapper/223:50:082
100092350,0sleep10-21swapper/122:22:551
2525023411,7sleep00-21swapper/019:07:490
252102278,4sleep10-21swapper/119:07:221
2490222310,7sleep30-21swapper/319:05:203
233032220,0sleep30-21swapper/321:20:413
117852220,0sleep10-21swapper/122:16:301
250682219,7sleep20-21swapper/219:05:352
85592200,0sleep00-21swapper/023:29:270
234372200,0sleep20-21swapper/223:27:372
266902190,0sleep026624-21sshd21:10:490
112672190,0sleep311265-21sshd00:16:123
254232170,1sleep30-21swapper/321:33:393
146372170,0sleep00-21swapper/021:48:220
131922170,0sleep013164-21sshd22:10:170
85762160,0sleep00-21swapper/000:26:180
6332160,0sleep10-21swapper/121:46:591
61512160,0sleep20-21swapper/221:12:282
272372160,0sleep30-21swapper/322:31:263
259602160,0sleep10-21swapper/122:41:101
175632160,1sleep3391rcuc/323:33:393
13932160,0sleep30-21swapper/321:43:563
136152160,0sleep30-21swapper/323:26:333
116692160,0sleep30-21swapper/322:36:313
5312150,0sleep10-21swapper/100:15:101
227422150,0sleep10-21swapper/121:30:121
142252150,0sleep30-21swapper/323:53:053
46382140,0sleep30-21swapper/322:00:023
285972140,0sleep228600-21bash22:18:162
195672140,0sleep00-21swapper/021:23:340
283662130,0sleep00-21swapper/000:07:520
2553999130,1cyclictest648-21systemd-logind22:16:553
2553999130,1cyclictest27931-21bash23:24:463
25534991312,0cyclictest0-21swapper/223:55:592
241842130,1sleep024186-21bash00:00:350
179832130,1sleep217985-21bash23:13:392
25539991210,1cyclictest646-21dbus-daemon00:02:563
25539991210,1cyclictest4020-21sshd22:25:353
2553999120,1cyclictest30939-21diskstats00:25:163
2553999120,1cyclictest18732-21sshd21:55:053
2553999120,0cyclictest0-21swapper/323:13:453
2553499120,11cyclictest0-21swapper/222:48:092
25529991211,0cyclictest0-21swapper/121:25:261
25529991210,1cyclictest646-21dbus-daemon00:31:371
25529991210,1cyclictest24435-21sshd00:07:271
2552999120,1cyclictest24295-21lspci00:14:171
2552999120,11cyclictest0-21swapper/123:48:171
25523991211,0cyclictest0-21swapper/022:30:320
25523991210,1cyclictest16916-21sshd21:51:420
2552399120,1cyclictest20741-21sshd23:47:120
2552399120,1cyclictest0-21swapper/021:32:020
2553999110,10cyclictest18375-21sshd21:09:353
2553999110,10cyclictest0-21swapper/322:47:053
2553999110,0cyclictest0-21swapper/323:05:153
25534991110,0cyclictest0-21swapper/223:46:092
25534991110,0cyclictest0-21swapper/223:30:092
25534991110,0cyclictest0-21swapper/223:08:092
25534991110,0cyclictest0-21swapper/222:21:592
25534991110,0cyclictest0-21swapper/221:50:092
25534991110,0cyclictest0-21swapper/221:47:092
2553499110,10cyclictest0-21swapper/223:38:092
2553499110,10cyclictest0-21swapper/223:38:092
2553499110,10cyclictest0-21swapper/223:01:292
25529991110,0cyclictest0-21swapper/123:24:181
25529991110,0cyclictest0-21swapper/121:39:361
2552999110,10cyclictest0-21swapper/123:16:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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