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2025-11-25 - 10:56
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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 rackaslot0.osadl.org (updated Tue Nov 25, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1846326531,8sleep30-21swapper/319:09:163
57752590,0sleep20-21swapper/223:55:382
281092580,1sleep228106-21bash23:28:422
261942570,0sleep10-21swapper/100:29:381
244172570,0sleep324396-21sshd23:02:203
218162570,0sleep121809-21sshd23:13:101
280522550,1sleep228051-21sshd23:39:442
155552550,1sleep21819-21runrttasks22:20:012
93192540,1sleep29320-21sshd21:50:002
1829025426,24sleep20-21swapper/219:07:112
130962540,0sleep211478-21diskmemload21:20:592
248162520,1sleep31819-21runrttasks21:36:593
216032520,2sleep31878399cyclictest22:46:523
1825425229,19sleep10-21swapper/119:06:421
179422520,1sleep017944-21cut22:50:190
301502510,1sleep330138-21sshd00:05:573
1833525130,8sleep00-21swapper/019:07:370
53632500,0sleep31819-21runrttasks22:41:083
276232500,0sleep00-21swapper/019:25:190
317372490,0sleep00-21swapper/023:10:300
109922490,0sleep20-21swapper/200:03:512
17242470,0sleep018778-21cyclictest21:49:050
163902470,0sleep10-21swapper/100:37:111
106112450,0sleep00-21swapper/022:26:440
90852440,0sleep10-21swapper/121:46:071
79912440,0sleep10-21swapper/100:23:131
282732370,0sleep211478-21diskmemload00:17:412
125952370,0sleep228-21rcuc/222:30:462
7352360,0sleep1737-21bash00:14:201
87772310,0sleep30-21swapper/322:08:123
286092250,0sleep20-21swapper/222:06:422
1878199231,21cyclictest0-21swapper/120:10:161
1878099230,23cyclictest0-21swapper/023:28:280
94902220,1sleep20-21swapper/223:33:552
1878399220,21cyclictest0-21swapper/320:10:163
1878099220,21cyclictest0-21swapper/021:39:120
1878099220,21cyclictest0-21swapper/021:15:170
1878099211,20cyclictest0-21swapper/000:07:290
1878099211,1cyclictest3120-21sshd23:44:190
1878099210,20cyclictest0-21swapper/022:46:590
1878399200,19cyclictest16313-21sshd22:01:393
18782992018,1cyclictest0-21swapper/200:05:592
18780992018,1cyclictest1664-21sshd00:12:360
1878099200,20cyclictest0-21swapper/023:52:140
1878099200,20cyclictest0-21swapper/023:49:140
1878099200,20cyclictest0-21swapper/022:35:270
1878099200,20cyclictest0-21swapper/022:15:170
1878099200,20cyclictest0-21swapper/021:13:270
1878099200,19cyclictest0-21swapper/023:35:590
1878099200,19cyclictest0-21swapper/022:43:430
1878099200,19cyclictest0-21swapper/021:59:580
1878099200,19cyclictest0-21swapper/000:38:440
238582190,1sleep220275-21munin-node21:40:272
18780991918,1cyclictest1664-21sshd23:06:520
18780991918,1cyclictest1664-21sshd22:23:180
1878099190,19cyclictest0-21swapper/000:32:590
1878399180,17cyclictest0-21swapper/321:20:183
1878199180,17cyclictest0-21swapper/121:34:571
1878099180,18cyclictest0-21swapper/020:57:420
1878099180,18cyclictest0-21swapper/019:41:270
1878099180,18cyclictest0-21swapper/000:27:140
1878099180,17cyclictest0-21swapper/022:03:130
1878399170,16cyclictest0-21swapper/321:10:423
1878199171,15cyclictest0-21swapper/121:42:571
1878199170,16cyclictest0-21swapper/123:54:291
1878099170,17cyclictest0-21swapper/022:58:290
1878099170,17cyclictest0-21swapper/020:50:160
1878399160,15cyclictest0-21swapper/323:24:593
1878399160,15cyclictest0-21swapper/320:45:183
1878199161,12cyclictest122450irq/25-eth022:50:481
1878099160,16cyclictest0-21swapper/020:20:180
1878099160,15cyclictest0-21swapper/021:50:270
1878399155,9cyclictest2299-21cp21:34:333
18783991511,3cyclictest14108-21sshd00:04:143
1878199150,4cyclictest0-21swapper/123:01:381
1878199150,14cyclictest0-21swapper/119:15:271
1878199150,11cyclictest0-21swapper/121:55:061
1878099158,6cyclictest0-21swapper/023:21:550
1878099158,4cyclictest0-21swapper/000:15:270
1878099156,9cyclictest0-21swapper/000:00:200
1878099150,5cyclictest10-21rcuc/021:29:130
1878099150,15cyclictest0-21swapper/023:30:430
1878099150,15cyclictest0-21swapper/019:10:170
1878099150,14cyclictest10150irq/24-ahci[00000:21:490
1878099150,14cyclictest0-21swapper/021:40:420
1878099150,14cyclictest0-21swapper/021:33:050
67852140,1sleep36780-21cp23:59:403
33022140,1sleep23299-21bash00:22:382
1878399149,4cyclictest28587-21sshd21:59:283
1878399149,2cyclictest0-21swapper/323:19:423
1878399144,1cyclictest4188-21sshd00:14:473
18783991413,1cyclictest0-21swapper/322:19:103
18783991413,1cyclictest0-21swapper/300:29:523
1878399140,13cyclictest0-21swapper/323:50:073
1878399140,13cyclictest0-21swapper/320:00:183
1878299144,9cyclictest30-21ksoftirqd/223:09:262
1878299144,9cyclictest30-21ksoftirqd/222:52:322
1878299144,9cyclictest30-21ksoftirqd/222:44:042
1878299144,1cyclictest30-21ksoftirqd/200:11:112
18782991413,1cyclictest30-21ksoftirqd/221:52:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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