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2025-12-11 - 11:35
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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 Thu Dec 11, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3274721000,2sleep12636199cyclictest22:36:121
270821000,2sleep32637399cyclictest21:15:293
79542840,0sleep30-21swapper/321:22:343
217872650,0sleep20-21swapper/222:02:462
72992620,0sleep00-21swapper/023:12:480
111922600,0sleep00-21swapper/021:35:440
30022590,0sleep02993-21lspci21:31:430
119702580,1sleep311955-21sshd00:08:273
142392570,0sleep10-21swapper/123:55:321
84092560,0sleep10-21swapper/121:00:201
63942560,0sleep16299-21sshd23:06:091
221972560,0sleep00-21swapper/021:10:130
95282550,0sleep10-21swapper/100:32:231
30862550,0sleep20-21swapper/223:18:562
301362530,0sleep30-21swapper/300:10:153
155082530,1sleep115504-21bash00:08:481
279312510,1sleep3391rcuc/323:21:203
304742500,0sleep00-21swapper/000:10:170
208992490,0sleep30-21swapper/300:37:033
144132480,2sleep12636199cyclictest21:55:271
294572460,0sleep00-21swapper/000:20:220
2603923019,7sleep00-21swapper/019:07:130
259002297,7sleep30-21swapper/319:05:323
261002288,6sleep20-21swapper/219:07:592
2591322210,7sleep10-21swapper/119:05:421
214762190,0sleep30-21swapper/322:51:173
131252180,0sleep3391rcuc/322:57:053
113172180,0sleep10-21swapper/100:01:471
20892170,1sleep32091-21timerwakeupswit19:25:223
17582170,0sleep00-21swapper/019:25:190
168832160,1sleep20-21swapper/200:19:072
13862160,0sleep00-21swapper/022:45:570
85192150,1sleep18516-21sshd22:14:261
314562150,0sleep10-21swapper/100:13:421
162392150,1sleep00-21swapper/023:16:570
43152140,1sleep34318-21bash22:39:563
321222140,0sleep00-21swapper/022:10:160
2637399140,12cyclictest0-21swapper/322:12:073
2636699140,13cyclictest620-13audispd22:25:132
26356991413,0cyclictest16608-21lspci22:50:450
202672140,0sleep20-21swapper/222:44:432
154592140,0sleep30-21swapper/322:47:243
102042140,0sleep210194-21sshd23:55:132
2637399130,0cyclictest0-21swapper/322:44:363
2636199130,1cyclictest32400-21sshd00:38:201
26356991312,0cyclictest14180-21lspci21:23:120
21462130,1sleep12124-21sshd21:28:271
162742130,1sleep216277-21bash21:23:252
125792130,1sleep012574-21sshd21:55:180
2637399124,3cyclictest41-21ksoftirqd/322:29:223
2637399122,3cyclictest41-21ksoftirqd/323:06:563
26373991210,1cyclictest13791-21grep22:01:573
2637399120,1cyclictest25286-21sshd21:56:373
2637399120,11cyclictest0-21swapper/323:54:563
2637399120,11cyclictest0-21swapper/322:31:563
2637399120,11cyclictest0-21swapper/321:11:553
2637399120,11cyclictest0-21swapper/320:45:153
26366991210,1cyclictest0-21swapper/200:37:532
2636699120,11cyclictest19251-21expr20:10:112
2636699120,11cyclictest0-21swapper/222:52:532
2636699120,11cyclictest0-21swapper/200:06:332
26361991210,1cyclictest14112-21sshd21:39:201
2636199120,11cyclictest14448-21lspci23:33:001
2636199120,11cyclictest0-21swapper/122:55:001
2636199120,11cyclictest0-21swapper/122:19:501
2636199120,11cyclictest0-21swapper/121:48:501
26356991210,1cyclictest23715-21sshd22:41:460
26356991210,1cyclictest18134-21sshd00:19:160
2635699120,1cyclictest0-21swapper/022:30:160
207792120,0sleep30-21swapper/322:09:113
2637399119,1cyclictest0-21swapper/323:34:473
2637399115,3cyclictest41-21ksoftirqd/323:26:473
2637399115,3cyclictest41-21ksoftirqd/322:20:123
2637399110,1cyclictest41-21ksoftirqd/321:31:533
2637399110,10cyclictest0-21swapper/321:51:163
2637399110,10cyclictest0-21swapper/300:19:463
2637399110,0cyclictest0-21swapper/323:13:363
2637399110,0cyclictest0-21swapper/322:15:063
2636699119,1cyclictest30896-21sshd23:47:332
2636699119,1cyclictest17559-21sshd23:52:422
26366991110,0cyclictest0-21swapper/222:06:522
26366991110,0cyclictest0-21swapper/220:50:012
2636699110,0cyclictest0-21swapper/222:55:122
2636699110,0cyclictest0-21swapper/221:15:512
2636199119,1cyclictest31607-21grep21:25:001
2636199119,1cyclictest1870-21sshd23:38:091
26361991110,0cyclictest0-21swapper/121:08:081
2636199110,10cyclictest0-21swapper/123:27:491
2636199110,10cyclictest0-21swapper/122:59:291
2636199110,10cyclictest0-21swapper/122:32:591
2636199110,10cyclictest0-21swapper/122:00:401
2636199110,0cyclictest0-21swapper/123:51:591
26356991110,0cyclictest28368-21lspci23:37:330
26356991110,0cyclictest27561-21lspci22:09:520
26356991110,0cyclictest0-21swapper/023:40:360
26356991110,0cyclictest0-21swapper/021:29:560
2635699110,10cyclictest0-21swapper/022:56:160
2635699110,10cyclictest0-21swapper/000:08:160
141152110,0sleep30-21swapper/323:45:473
2637399109,0cyclictest0-21swapper/323:41:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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