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2026-03-16 - 09:52
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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 Mon Mar 16, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2708821000,0sleep127089-21sshd21:11:231
62952910,0sleep20-21swapper/223:17:282
273902750,0sleep00-21swapper/023:41:180
110212750,0sleep30-21swapper/300:21:023
202522710,0sleep20-21swapper/200:16:212
87702570,0sleep00-21swapper/022:39:010
44442560,1sleep0101ktimersoftd/023:03:250
280082560,1sleep328004-21lspci22:46:063
103442550,0sleep30-21swapper/321:19:513
39362520,0sleep20-21swapper/221:51:252
190092520,0sleep20-21swapper/222:00:022
116672520,0sleep20-21swapper/223:45:242
289902510,2sleep399199cyclictest00:11:363
124452510,0sleep20-21swapper/200:23:572
255562500,0sleep20-21swapper/223:02:272
224382500,0sleep10-21swapper/123:35:221
116782500,0sleep10-21swapper/122:44:471
48702490,0sleep00-21swapper/022:57:560
31842490,0sleep30-21swapper/322:12:093
135312490,1sleep013528-21lspci23:18:070
77622480,0sleep20-21swapper/222:36:082
66172480,0sleep20-21swapper/223:11:562
212242480,0sleep10-21swapper/100:02:451
138742480,0sleep30-21swapper/321:38:403
295572470,0sleep00-21swapper/023:58:000
105212470,0sleep20-21swapper/223:06:392
312002440,2sleep197999cyclictest21:54:241
250262400,0sleep325029-21bash00:19:353
281162390,0sleep00-21swapper/021:36:410
179662380,2sleep298499cyclictest21:39:072
46722923,3sleep00-21swapper/019:05:340
6532288,6sleep10-21swapper/119:07:391
6292287,6sleep20-21swapper/219:07:242
211412250,0sleep321142-21sshd21:53:183
70122311,7sleep30-21swapper/319:08:013
323442170,0sleep20-21swapper/223:50:022
93992160,1sleep1231rcuc/122:33:331
90932160,0sleep30-21swapper/321:48:343
263642160,0sleep0111rcuc/023:24:470
150702160,0sleep10-21swapper/121:31:421
991991515,0cyclictest401ktimersoftd/320:33:033
57682150,0sleep00-21swapper/000:34:220
308962150,0sleep00-21swapper/022:32:360
116812150,0sleep30-21swapper/322:39:163
991991413,0cyclictest3296-21lspci23:36:333
991991413,0cyclictest13927-21lspci23:20:523
991991413,0cyclictest11367-21lspci21:14:243
249642140,0sleep10-21swapper/122:10:591
187122140,1sleep11-21systemd23:12:591
162672140,0sleep216264-21lspci21:49:212
157582140,0sleep20-21swapper/221:20:332
98499134,3cyclictest33-21ksoftirqd/221:29:552
984991311,1cyclictest20641-21kworker/u8:000:38:192
984991311,1cyclictest12056-21sshd21:31:092
98499130,12cyclictest2134-21grep22:41:082
97999130,12cyclictest4581-21systemd-cgroups23:20:091
294612130,1sleep3699-21gdbus23:25:023
254502130,1sleep0642-21systemd-logind23:07:570
123352130,0sleep10-21swapper/119:35:131
99199124,1cyclictest41-21ksoftirqd/300:08:133
991991210,1cyclictest29330-21bash00:30:473
99199120,1cyclictest0-21swapper/322:51:573
99199120,11cyclictest7741-21bash22:44:273
98499127,3cyclictest33-21ksoftirqd/223:38:342
98499125,3cyclictest33-21ksoftirqd/221:40:232
98499125,3cyclictest33-21ksoftirqd/200:34:052
98499123,3cyclictest33-21ksoftirqd/223:58:282
98499123,1cyclictest33-21ksoftirqd/222:30:462
98499121,3cyclictest649-21polkitd22:58:552
98499120,2cyclictest674-21dbus-daemon22:25:092
98499120,1cyclictest674-21dbus-daemon23:21:222
98499120,11cyclictest674-21dbus-daemon00:27:292
98499120,11cyclictest0-21swapper/223:28:392
979991210,1cyclictest29500-21lspci00:17:101
97999120,11cyclictest0-21swapper/122:37:101
97299124,2cyclictest9-21ksoftirqd/023:32:030
97299123,2cyclictest9-21ksoftirqd/000:12:360
97299123,1cyclictest9-21ksoftirqd/023:35:540
972991210,1cyclictest622-13audispd22:09:180
97299120,1cyclictest29905-21lspci00:19:580
97299120,11cyclictest0-21swapper/022:51:190
97299120,11cyclictest0-21swapper/022:15:480
235892120,0sleep0111rcuc/021:16:220
99199119,1cyclictest18062-21bash23:10:083
99199119,1cyclictest12372-21sshd23:34:373
99199115,1cyclictest41-21ksoftirqd/323:41:413
99199111,3cyclictest41-21ksoftirqd/323:47:233
991991110,0cyclictest5937-21lspci22:15:523
991991110,0cyclictest401ktimersoftd/322:03:433
991991110,0cyclictest10483-21lspci22:55:353
991991110,0cyclictest0-21swapper/323:01:473
991991110,0cyclictest0-21swapper/322:07:373
99199110,10cyclictest0-21swapper/323:51:373
99199110,10cyclictest0-21swapper/323:05:573
99199110,0cyclictest0-21swapper/322:25:573
99199110,0cyclictest0-21swapper/321:21:173
98499115,3cyclictest33-21ksoftirqd/221:55:222
98499114,3cyclictest33-21ksoftirqd/223:32:162
98499113,3cyclictest33-21ksoftirqd/200:12:532
98499113,1cyclictest33-21ksoftirqd/222:46:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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