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2025-12-19 - 07:45
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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 Dec 19, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318022580,0sleep10-21swapper/122:55:481
53752550,1sleep2674-21dbus-daemon22:27:022
10772550,0sleep10-21swapper/123:01:531
103532540,1sleep010350-21lspci22:42:100
46222530,0sleep20-21swapper/221:39:202
281492530,1sleep20-21swapper/200:38:392
262832520,0sleep029977-21packagekitd22:12:230
262832520,0sleep029977-21packagekitd22:12:220
187812520,0sleep2311rcuc/222:48:482
90072510,0sleep30-21swapper/321:47:253
313522500,0sleep30-21swapper/323:22:183
295032500,0sleep00-21swapper/022:23:230
295032500,0sleep00-21swapper/022:23:230
238182500,0sleep00-21swapper/022:00:320
206292500,2sleep03267699cyclictest22:31:200
61952490,0sleep00-21swapper/023:46:300
4812480,0sleep30-21swapper/300:06:363
200772480,1sleep129977-21packagekitd22:31:171
136852480,0sleep00-21swapper/021:36:290
195512470,0sleep00-21swapper/023:03:360
116792470,1sleep011678-21bash21:32:280
300822460,0sleep00-21swapper/020:20:170
267252460,0sleep30-21swapper/323:13:053
243542400,2sleep03267699cyclictest22:08:210
62992380,0sleep10-21swapper/122:41:461
3232823110,7sleep10-21swapper/119:07:031
3232522715,7sleep30-21swapper/319:07:013
3248122312,7sleep00-21swapper/019:08:550
39212220,1sleep2674-21dbus-daemon00:09:562
71492210,0sleep30-21swapper/300:10:123
318382218,7sleep20-21swapper/219:05:202
25122190,0sleep00-21swapper/023:05:000
32686991817,0cyclictest6565-21lspci21:47:082
323202170,0sleep30-21swapper/321:42:333
181032170,1sleep018104-21bash22:51:400
32686991514,0cyclictest6255-21lspci23:08:162
129882150,0sleep30-21swapper/321:55:263
32686991413,0cyclictest24928-21lspci22:40:292
321462140,0sleep00-21swapper/000:00:360
269462140,0sleep30-21swapper/322:08:403
154392140,1sleep215441-21bash00:34:342
84762130,0sleep20-21swapper/221:14:452
32686991312,0cyclictest17311-21lspci22:51:352
32686991312,0cyclictest13069-21lspci23:00:062
3268699130,1cyclictest14324-21bash23:41:212
3268099130,1cyclictest622-13audispd00:21:411
21742130,0sleep02177-21bash22:26:450
210142130,0sleep20-21swapper/222:34:222
131742130,1sleep013171-21sshd23:53:030
109392130,0sleep3391rcuc/321:32:233
3269099120,1cyclictest18772-21sshd22:34:103
3269099120,11cyclictest1833-21latency_hist23:55:013
3269099120,11cyclictest0-21swapper/300:24:003
32686991211,0cyclictest26725-21lspci22:12:252
32686991211,0cyclictest26725-21lspci22:12:252
32686991210,1cyclictest33-21ksoftirqd/200:05:002
32686991210,1cyclictest27229-21bash22:23:112
32686991210,1cyclictest27229-21bash22:23:112
3268699120,1cyclictest0-21swapper/223:53:212
32680991210,1cyclictest14310-21timerwakeupswit21:40:211
32680991210,1cyclictest1073-21nfsd23:59:011
32676991210,1cyclictest29799-21sshd22:49:500
32676991210,1cyclictest16550-21lspci23:38:400
3267699120,1cyclictest24201-21bash00:00:010
3267699120,11cyclictest674-21dbus-daemon23:24:400
3267699120,11cyclictest11061-21sshd00:34:100
3267699120,11cyclictest0-21swapper/022:55:300
305352120,0sleep30-21swapper/323:34:033
3269099118,2cyclictest3192-21sshd00:30:243
32690991110,0cyclictest0-21swapper/323:35:303
32690991110,0cyclictest0-21swapper/323:27:113
3269099110,10cyclictest0-21swapper/322:26:203
3269099110,10cyclictest0-21swapper/300:02:503
3269099110,0cyclictest0-21swapper/321:26:303
3268699119,1cyclictest33-21ksoftirqd/223:59:522
32686991110,0cyclictest7166-21lspci23:20:092
32686991110,0cyclictest29135-21lspci23:33:552
32686991110,0cyclictest2211-21lspci23:28:312
32686991110,0cyclictest21658-21lspci21:33:422
32686991110,0cyclictest21215-21lspci23:39:062
32686991110,0cyclictest0-21swapper/222:08:312
3268699110,10cyclictest0-21swapper/222:00:122
3268099110,1cyclictest8753-21sshd23:35:011
3268099110,10cyclictest20604-21lspci21:48:511
3268099110,10cyclictest11632-21grepconf.sh21:51:321
3268099110,10cyclictest0-21swapper/123:49:411
3268099110,10cyclictest0-21swapper/122:28:521
3268099110,10cyclictest0-21swapper/122:13:521
3268099110,10cyclictest0-21swapper/122:13:511
32676991110,0cyclictest0-21swapper/021:27:310
3267699110,1cyclictest18051-21lspci23:18:100
3267699110,0cyclictest0-21swapper/023:40:100
3269099109,0cyclictest0-21swapper/323:18:003
3269099109,0cyclictest0-21swapper/322:47:003
3269099109,0cyclictest0-21swapper/322:14:203
3269099109,0cyclictest0-21swapper/322:14:203
3269099109,0cyclictest0-21swapper/321:18:003
3269099108,1cyclictest3934-21sshd22:35:413
3269099100,0cyclictest0-21swapper/322:56:503
3268699109,0cyclictest0-21swapper/222:18:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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