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2026-06-06 - 21:09
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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 Sat Jun 06, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298142700,0sleep329817-21systemd-cgroups21:54:583
298142700,0sleep329817-21systemd-cgroups21:54:583
3188925746,8sleep70-21swapper/719:06:547
96832540,0sleep30-21swapper/321:08:363
309142540,1sleep330911-21sshd00:24:193
201752540,0sleep70-21swapper/722:52:127
201752540,0sleep70-21swapper/722:52:127
2951525139,8sleep50-21swapper/519:03:245
3192724926,8sleep00-21swapper/019:07:270
313522480,1sleep431354-21sshd23:54:254
8642470,0sleep60-21swapper/621:16:086
160672470,0sleep616065-21sshd23:44:096
123082470,0sleep40-21swapper/422:12:374
52322460,2sleep03212599cyclictest22:49:250
52322460,2sleep03212599cyclictest22:49:250
297152460,0sleep429714-21sshd22:02:284
96272450,0sleep30-21swapper/322:31:023
45472450,0sleep70-21swapper/721:20:027
208282450,0sleep30-21swapper/300:16:183
138812450,0sleep50-21swapper/523:53:295
132552450,0sleep10-21swapper/123:12:171
100502450,0sleep01844-21nfsd23:17:440
236932440,1sleep523681-21sshd23:16:375
232442440,1sleep125-21ksoftirqd/123:40:521
22832440,0sleep20-21swapper/223:35:562
222842440,0sleep40-21swapper/422:56:024
207872440,1sleep120783-21sshd22:05:371
50952430,0sleep50-21swapper/500:06:035
2949724330,9sleep20-21swapper/219:03:212
25582430,0sleep20-21swapper/221:29:102
219252430,2sleep03212599cyclictest00:31:210
148242430,1sleep773-21ksoftirqd/721:24:187
110022430,0sleep50-21swapper/521:57:405
110022430,0sleep50-21swapper/521:57:405
3176924230,9sleep40-21swapper/419:05:154
217002420,0sleep01-21systemd22:22:260
142022420,0sleep00-21swapper/000:13:590
119492420,0sleep00-21swapper/023:02:550
40082410,0sleep60-21swapper/622:56:526
300812410,0sleep20-21swapper/221:53:132
3174824028,9sleep10-21swapper/119:04:561
216692400,0sleep00-21swapper/019:43:380
192662400,0sleep40-21swapper/400:04:584
162302400,0sleep316232-21sshd23:19:563
124332400,0sleep50-21swapper/500:10:115
72612390,0sleep30-21swapper/323:15:393
3185723928,8sleep60-21swapper/619:06:296
3168323927,9sleep30-21swapper/319:04:023
181292390,0sleep20-21swapper/200:31:072
121912390,0sleep6631rcuc/600:06:286
168982380,1sleep316897-21grepconf.sh22:05:233
286312360,2sleep43213899cyclictest00:20:284
3213999260,8cyclictest3805-21grep22:56:515
3213999240,8cyclictest22076-21sd-pam22:46:435
3213999240,8cyclictest20660-21bash23:48:165
3213999240,2cyclictest21306-21grepconf.sh22:37:245
3213999230,8cyclictest0-21swapper/522:15:505
3213999230,8cyclictest0-21swapper/500:01:275
3213999230,12cyclictest14562-21sshd23:19:505
3213999221,5cyclictest0-21swapper/521:13:065
3213999220,8cyclictest29272-21grep21:47:335
3213999220,7cyclictest6362-21sshd22:49:295
3213999220,7cyclictest6362-21sshd22:49:295
3213999220,12cyclictest19585-21bash22:13:025
3213999220,11cyclictest8472-21sshd23:34:245
3213999220,10cyclictest26253-21sshd00:31:365
32128992217,3cyclictest25-21ksoftirqd/100:25:551
3213999213,6cyclictest12417-21systemd21:48:275
3213999210,9cyclictest857-21polkitd21:28:095
3213999210,9cyclictest24007-21grepconf.sh22:41:135
3213999210,9cyclictest21283-21sshd00:18:155
3213999210,9cyclictest15370-21bash23:03:075
3213999210,8cyclictest11512-21latency_hist00:23:185
3213999210,7cyclictest721-21dbus-daemon22:03:415
3213999210,10cyclictest20026-21grep00:25:375
3212899218,1cyclictest25-21ksoftirqd/123:32:461
32128992111,1cyclictest25-21ksoftirqd/121:28:191
306362210,0sleep233-21ksoftirqd/221:40:072
3213999204,5cyclictest19929-21grepconf.sh23:10:465
3213999203,6cyclictest23836-21sshd21:13:405
3213999201,8cyclictest20259-21sshd21:19:035
3213999200,9cyclictest2017-21bash23:48:575
3213999200,8cyclictest4043-21sshd22:28:475
3213999200,8cyclictest19911-21bash23:23:505
3213999200,8cyclictest18733-21grep22:20:215
3213999200,8cyclictest12491-21grep23:30:575
3213999200,8cyclictest1-21systemd22:00:285
3213999200,2cyclictest22440-21id23:38:545
3213999200,10cyclictest435-21id21:32:535
3213999200,10cyclictest29112-21grep21:34:265
3213999200,10cyclictest12944-21kill00:34:315
3213999192,7cyclictest16691-21grep22:23:545
3213999190,8cyclictest15622-21sshd21:39:145
3213999190,7cyclictest756-21sshd23:04:465
32128991917,1cyclictest25-21ksoftirqd/122:25:441
32128991916,1cyclictest25-21ksoftirqd/122:43:391
32128991915,1cyclictest25-21ksoftirqd/122:20:211
32128991914,3cyclictest25-21ksoftirqd/122:50:131
32128991914,3cyclictest25-21ksoftirqd/122:50:131
32128991914,3cyclictest25-21ksoftirqd/100:04:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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