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2026-08-04 - 04:25
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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 rack5slot0.osadl.org (updated Tue Aug 04, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2966021360,0sleep229661-21sshd21:42:002
689421260,3sleep2485999cyclictest23:48:002
456721200,2sleep0485099cyclictest22:32:360
2014521200,1sleep2485999cyclictest21:17:552
4274210432,44sleep30-21swapper/319:05:593
236582990,2sleep123660-21sshd23:52:241
47992950,3sleep30-21swapper/322:42:013
223792950,1sleep00-21swapper/023:58:000
102152940,1sleep30-21swapper/322:27:183
94782900,2sleep19476-21sshd22:24:191
175922900,2sleep10-21swapper/123:43:141
92732880,2sleep19272-21bash23:21:491
85942880,1sleep30-21swapper/323:45:173
249602880,2sleep30-21swapper/323:40:443
15962860,3sleep20-21swapper/221:39:362
186312850,2sleep018628-21sshd23:10:030
137782850,2sleep213779-21sshd22:04:052
130442850,2sleep10-21swapper/100:00:101
320062840,2sleep232003-21bash22:44:272
66752830,2sleep16670-21sshd22:32:481
437728332,47sleep10-21swapper/119:07:021
192192830,1sleep12023-21nfsd22:43:191
227682820,3sleep3486499cyclictest21:26:513
39412810,2sleep30-21swapper/300:02:203
222332800,2sleep20-21swapper/200:06:482
15612770,1sleep30-21swapper/321:16:123
10322770,2sleep30-21swapper/321:45:133
237862760,0sleep00-21swapper/000:12:430
124092760,4sleep3486499cyclictest23:54:183
211712740,3sleep10-21swapper/122:58:141
319822730,3sleep131969-21sshd00:30:391
47582710,0sleep00-21swapper/021:16:290
447227132,11sleep20-21swapper/219:08:152
167812710,2sleep20-21swapper/221:23:322
87932670,2sleep20-21swapper/223:09:052
453925832,4sleep00-21swapper/019:09:050
90292380,0sleep29031-21id23:12:122
6772340,1sleep0680-21sshd22:44:340
485599310,13cyclictest6140-21sshd22:26:551
66832300,1sleep041ktimersoftd/022:06:100
485599301,24cyclictest17220-21bash22:51:591
141482300,2sleep20-21swapper/222:24:482
31382290,1sleep10-21swapper/121:36:501
236472290,2sleep323645-21sshd23:16:553
214432294,23sleep1144650irq/27-eth021:21:041
163042290,1sleep016305-21sshd23:40:050
104292290,3sleep30-21swapper/323:59:553
74112280,26sleep1144650irq/27-eth022:48:051
485599281,13cyclictest7917-21bash00:11:131
270502280,1sleep027054-21bash21:41:450
262282281,25sleep2144650irq/27-eth021:33:162
485599278,9cyclictest2246-21bash21:42:271
485599276,9cyclictest144650irq/27-eth000:29:501
485599276,9cyclictest144650irq/27-eth000:29:501
485599275,14cyclictest20312-21sshd23:25:351
485599271,12cyclictest20642-21sshd21:52:541
485599270,3cyclictest0-21swapper/121:13:201
485599270,19cyclictest0-21swapper/122:16:421
26012270,1sleep00-21swapper/022:29:310
259582270,4sleep20-21swapper/223:38:022
18382270,2sleep30-21swapper/321:13:273
485599265,9cyclictest32423-21sshd00:07:431
485599262,13cyclictest26573-21sshd22:11:081
485599262,10cyclictest144650irq/27-eth021:17:101
485599262,0cyclictest0-21swapper/123:49:311
485599261,15cyclictest4778-21bash23:30:201
485599261,14cyclictest6998-21sshd22:06:141
485599261,14cyclictest17806-21sshd00:35:141
485599261,13cyclictest12654-21bash23:36:501
14602260,11sleep01456-21bash23:32:590
485599256,9cyclictest19117-21sshd23:57:431
485599253,8cyclictest144650irq/27-eth000:17:131
485599252,17cyclictest144650irq/27-eth023:10:321
485599251,9cyclictest144650irq/27-eth000:23:251
485599251,11cyclictest17335-21sshd21:58:281
485599250,2cyclictest0-21swapper/123:01:151
485599250,17cyclictest17117-21id22:01:271
485599250,13cyclictest3448-21sshd21:31:111
485599250,12cyclictest2421-21sshd21:28:011
315192250,23sleep1144650irq/27-eth022:35:151
315192250,23sleep1144650irq/27-eth022:35:151
263342250,23sleep3144650irq/27-eth023:32:193
485599242,11cyclictest4842-21cyclictest23:16:471
485599240,13cyclictest31855-21sshd21:45:061
158412243,19sleep2144650irq/27-eth022:18:432
485999235,9cyclictest33-21ksoftirqd/223:50:132
485599230,15cyclictest2132-21sshd23:05:221
312302230,2sleep331226-21sshd21:39:203
240142230,2sleep20-21swapper/200:30:052
227282231,19sleep3144650irq/27-eth022:31:123
150562230,21sleep328950irq/26-ahci[00022:12:593
485999225,9cyclictest33-21ksoftirqd/222:54:422
485599228,7cyclictest144650irq/27-eth020:25:421
485599212,9cyclictest144650irq/27-eth021:10:001
485599211,6cyclictest144650irq/27-eth019:35:311
485599210,3cyclictest0-21swapper/120:40:121
485599210,3cyclictest0-21swapper/120:10:111
485599210,2cyclictest0-21swapper/120:00:531
485599210,2cyclictest0-21swapper/119:10:151
485599210,10cyclictest0-21swapper/120:45:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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