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2026-05-01 - 06:44
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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 rack3slot0.osadl.org (updated Fri May 01, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29273998969,1cyclictest9-21ksoftirqd/022:54:540
226042740,0sleep30-21swapper/321:45:123
29299997370,2cyclictest19189-21bash22:54:556
146162690,0sleep3391rcuc/321:33:353
29294996140,1cyclictest0-21swapper/322:54:543
234292590,0sleep30-21swapper/323:38:303
180592580,1sleep418060-21grep21:28:074
29300995331,22cyclictest0-21swapper/722:54:547
114842520,0sleep20-21swapper/222:16:352
2903125027,8sleep10-21swapper/119:08:241
25772500,2sleep02927399cyclictest22:14:170
323492490,1sleep432347-21grep23:54:164
21562490,0sleep60-21swapper/621:21:376
2887624825,8sleep60-21swapper/619:06:216
121882480,2sleep02927399cyclictest22:14:490
120972480,0sleep40-21swapper/422:54:344
99842470,1sleep6758-21runrttasks00:08:206
85552470,0sleep40-21swapper/423:07:234
54942470,0sleep00-21swapper/021:27:230
32602470,0sleep20-21swapper/223:56:232
32602470,0sleep20-21swapper/223:56:232
308892470,1sleep7721ktimersoftd/722:40:277
99712460,0sleep10-21swapper/121:53:591
86732460,0sleep10-21swapper/100:25:131
10812460,0sleep00-21swapper/023:52:120
66202440,0sleep00-21swapper/000:19:350
241422440,1sleep233-21ksoftirqd/223:29:082
218472440,0sleep00-21swapper/022:45:320
259442430,2sleep72930099cyclictest00:05:257
232932430,0sleep60-21swapper/623:06:216
144882430,1sleep414485-21sshd21:46:424
5132420,0sleep3487-21sshd22:31:103
2929899422,40cyclictest0-21swapper/522:54:535
2890924230,8sleep40-21swapper/419:06:434
266912420,1sleep326690-21grepconf.sh23:02:493
208372420,0sleep30-21swapper/322:17:083
197902420,0sleep00-21swapper/019:49:380
14912420,0sleep70-21swapper/721:51:337
136272420,0sleep60-21swapper/600:27:266
57352410,0sleep70-21swapper/723:58:287
57352410,0sleep70-21swapper/723:58:287
324192410,0sleep30-21swapper/323:44:383
2908224128,9sleep30-21swapper/319:09:063
2878524129,9sleep00-21swapper/019:05:030
281802410,0sleep30-21swapper/300:01:363
281802410,0sleep30-21swapper/300:01:363
317602400,0sleep30-21swapper/322:29:183
275052400,0sleep5721-21dbus-daemon21:36:095
215782400,0sleep70-21swapper/700:20:227
291922390,1sleep029193-21sshd23:31:140
2893223928,8sleep50-21swapper/519:07:005
2885923927,8sleep70-21swapper/719:06:067
2927699380,37cyclictest18866-21sshd22:54:531
2881623826,8sleep20-21swapper/219:05:292
58402370,0sleep30-21swapper/323:26:043
324472370,0sleep50-21swapper/522:23:275
29297993535,0cyclictest10436-21kworker/4:322:54:544
2928799352,10cyclictest0-21swapper/222:54:542
171882350,0sleep00-21swapper/023:28:410
144882350,1sleep014491-21kworker/u16:100:21:520
96892210,0sleep10-21swapper/100:14:081
29294992115,4cyclictest41-21ksoftirqd/321:34:513
29294992115,3cyclictest41-21ksoftirqd/323:14:303
29294992110,1cyclictest41-21ksoftirqd/322:21:503
2929499208,1cyclictest41-21ksoftirqd/323:08:383
2929499204,1cyclictest41-21ksoftirqd/322:04:243
2929499203,1cyclictest41-21ksoftirqd/323:16:103
2929899191,0cyclictest0-21swapper/522:27:115
2929499195,3cyclictest41-21ksoftirqd/322:48:453
29294991915,1cyclictest41-21ksoftirqd/321:21:013
29294991913,3cyclictest41-21ksoftirqd/322:40:593
290102190,0sleep50-21swapper/522:30:565
327482180,0sleep70-21swapper/723:40:507
2929499186,1cyclictest41-21ksoftirqd/323:57:523
2929499186,1cyclictest41-21ksoftirqd/323:57:523
2929499185,1cyclictest41-21ksoftirqd/323:22:233
2929499185,1cyclictest41-21ksoftirqd/300:23:133
2929499184,1cyclictest41-21ksoftirqd/321:10:193
29294991817,1cyclictest41-21ksoftirqd/300:29:013
29294991816,1cyclictest41-21ksoftirqd/322:52:053
29294991815,2cyclictest41-21ksoftirqd/322:07:043
29294991815,2cyclictest41-21ksoftirqd/322:07:043
29294991814,3cyclictest41-21ksoftirqd/300:15:303
29294991814,1cyclictest41-21ksoftirqd/322:38:543
29294991811,1cyclictest41-21ksoftirqd/321:28:523
2929499181,3cyclictest41-21ksoftirqd/300:34:503
2927399187,5cyclictest0-21swapper/023:08:470
2927399187,5cyclictest0-21swapper/019:15:000
105132180,0sleep70-21swapper/723:47:077
43922170,1sleep54391-21grepconf.sh23:41:045
295542170,2sleep22928799cyclictest23:10:252
29299991714,2cyclictest65-21ksoftirqd/622:14:566
2929899178,8cyclictest24746-21bash23:25:155
2929899170,5cyclictest0-21swapper/522:15:395
2929499175,1cyclictest41-21ksoftirqd/323:50:253
29294991716,1cyclictest41-21ksoftirqd/323:29:563
29294991716,1cyclictest41-21ksoftirqd/300:09:503
29294991715,1cyclictest41-21ksoftirqd/321:53:533
29294991715,1cyclictest41-21ksoftirqd/321:39:573
29294991713,3cyclictest41-21ksoftirqd/321:57:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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