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2026-04-26 - 03:45
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Sun Apr 26, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1855521150,1sleep327242-1kworker/3:1H21:14:443
2080021130,0sleep40-21swapper/422:09:184
574821120,0sleep25749-21tty21:44:392
942021090,0sleep40-21swapper/400:08:044
942021090,0sleep40-21swapper/400:08:034
2723021080,0sleep20-21swapper/222:53:572
336321060,0sleep20-21swapper/223:23:222
96672870,1sleep20-21swapper/222:12:052
65382850,0sleep60-21swapper/623:42:176
144072830,1sleep40-21swapper/400:23:424
318742820,2sleep50-21swapper/522:40:295
318742820,2sleep50-21swapper/522:40:285
25392810,3sleep73185799cyclictest23:36:567
199482810,1sleep2311rcuc/223:10:322
110592800,1sleep50-21swapper/523:56:115
110592800,1sleep50-21swapper/523:56:105
101132800,0sleep20-21swapper/223:40:452
80552790,2sleep60-21swapper/622:37:336
317552780,0sleep60-21swapper/621:44:196
297252780,1sleep3411ktimersoftd/321:25:263
297252780,1sleep3411ktimersoftd/321:25:253
29582780,1sleep40-21swapper/400:19:424
29582780,1sleep40-21swapper/400:19:414
212032780,1sleep30-21swapper/323:20:503
72442770,1sleep00-21swapper/000:28:280
267422770,0sleep30-21swapper/322:18:063
121292770,0sleep00-21swapper/022:46:170
62262760,0sleep60-21swapper/621:49:496
260512760,1sleep426047-21sshd21:18:284
231802760,1sleep723142-21sshd21:50:387
155912760,1sleep315586-21sshd22:46:273
153332760,0sleep10-21swapper/121:12:481
62852750,1sleep50-21swapper/521:41:135
107372750,0sleep40-21swapper/423:40:474
88922740,0sleep70-21swapper/722:51:137
269042740,0sleep70-21swapper/722:28:217
269042740,0sleep70-21swapper/722:28:207
237992740,1sleep223800-21/usr/sbin/munin23:55:122
237992740,1sleep223800-21/usr/sbin/munin23:55:112
192322740,1sleep40-21swapper/421:59:014
15232740,0sleep00-21swapper/021:29:060
15232740,0sleep00-21swapper/021:29:060
321872730,0sleep40-21swapper/423:19:474
228842730,1sleep322847-21sshd23:56:493
228842730,1sleep322847-21sshd23:56:493
94132720,1sleep5658-21polkitd22:24:015
40192720,1sleep7681-21dbus-daemon22:13:297
257382720,0sleep50-21swapper/523:26:135
227282710,2sleep080850irq/26-eno1-tx-21:37:010
196102710,0sleep40-21swapper/400:39:224
105782710,0sleep00-21swapper/000:09:520
105782710,0sleep00-21swapper/000:09:510
211022700,0sleep60-21swapper/621:30:086
119702700,1sleep111964-21cp00:16:431
119702700,1sleep111964-21cp00:16:421
96072690,3sleep73185799cyclictest22:49:377
318242690,0sleep20-21swapper/223:35:072
22262690,1sleep72197-21sshd00:14:327
22262690,1sleep72197-21sshd00:14:317
181632690,1sleep70-21swapper/723:15:327
172942690,1sleep1221rcuc/123:58:151
172942690,1sleep1221rcuc/123:58:141
120622690,0sleep10-21swapper/122:51:221
123282680,0sleep10-21swapper/123:40:521
96362670,0sleep20-21swapper/221:27:492
96362670,0sleep20-21swapper/221:27:482
91522670,0sleep60-21swapper/622:47:516
311492670,4sleep43184099cyclictest23:24:514
216832670,1sleep021682-21systemd-cgroups00:32:350
251302660,0sleep50-21swapper/521:54:125
172442650,0sleep00-21swapper/022:29:340
172442650,0sleep00-21swapper/022:29:330
70062620,0sleep30-21swapper/321:34:313
128842620,4sleep33183499cyclictest21:22:533
128842620,4sleep33183499cyclictest21:22:523
274812610,1sleep727484-21bash23:53:407
173892610,0sleep70-21swapper/722:02:167
3148126049,7sleep60-21swapper/619:08:536
3148126049,7sleep60-21swapper/619:08:526
3136726049,7sleep40-21swapper/419:07:234
3136726049,7sleep40-21swapper/419:07:224
13372600,0sleep40-21swapper/421:44:264
230882590,0sleep10-21swapper/122:43:301
230882590,0sleep10-21swapper/122:43:291
2953825747,6sleep50-21swapper/519:05:075
2953825747,6sleep50-21swapper/519:05:075
232672560,0sleep00-21swapper/021:31:550
3127525433,6sleep70-21swapper/719:06:137
3127525433,6sleep70-21swapper/719:06:137
3151224938,7sleep10-21swapper/119:09:121
3151224938,7sleep10-21swapper/119:09:111
26482490,2sleep70-21swapper/722:23:397
3142224736,7sleep30-21swapper/319:08:023
3142224736,7sleep30-21swapper/319:08:013
3151124231,7sleep00-21swapper/019:09:110
3151124231,7sleep00-21swapper/019:09:100
3144824131,6sleep20-21swapper/219:08:242
3144824131,6sleep20-21swapper/219:08:242
68572260,1sleep66794-21sshd00:13:036
68572260,1sleep66794-21sshd00:13:036
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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