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2026-06-09 - 17:20
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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 rackcslot0.osadl.org (updated Tue Jun 09, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39932120102,9sleep90-21swapper/919:10:2315
2433621190,2sleep101041-21dbus-daemon23:57:522
3872211892,21sleep10-21swapper/119:08:551
2985721130,1sleep40-21swapper/423:52:0910
39721090,6sleep14464399cyclictest22:24:356
3071821090,2sleep150-21swapper/1522:57:147
4000210892,12sleep150-21swapper/1519:10:297
3241321070,1sleep1032412-21sh21:14:432
724621060,1sleep41-21systemd22:48:1410
724621060,1sleep41-21systemd22:48:1410
3987210698,4sleep30-21swapper/319:10:179
3862210691,11sleep120-21swapper/1219:08:494
3039821050,2sleep14130-21ksoftirqd/1422:02:076
2916521050,2sleep50-21swapper/522:57:0411
1615521050,2sleep516161-21cpuspeed_turbos00:17:5111
3991210491,8sleep70-21swapper/719:10:2113
3856210483,16sleep60-21swapper/619:08:4312
2412521040,2sleep1524113-21sshd21:51:427
2196921040,1sleep60-21swapper/622:56:1712
3861210082,13sleep110-21swapper/1119:08:483
3010121000,1sleep30-21swapper/321:23:259
31032990,1sleep150-21swapper/1500:28:597
41492970,3sleep9463699cyclictest00:12:5015
310632960,1sleep5571ktimersoftd/523:48:5711
110762940,6sleep5463199cyclictest21:56:5311
206962920,0sleep120-21swapper/1223:28:294
76102910,1sleep140-21swapper/1423:49:556
291192910,2sleep7968-21ModemManager22:04:5713
241062910,0sleep20-21swapper/221:19:568
230142900,0sleep90-21swapper/923:32:1015
134472900,0sleep120-21swapper/1222:55:194
84592890,0sleep00-21swapper/023:27:290
7342890,0sleep40-21swapper/421:02:5110
285952890,0sleep10-21swapper/121:17:301
167512890,1sleep40-21swapper/423:31:3310
14912890,0sleep60-21swapper/600:19:2812
114822890,0sleep60-21swapper/600:29:5412
401228872,12sleep100-21swapper/1019:10:402
242232870,1sleep824222-21env00:34:2914
174182870,1sleep617413-21systemd-cgroups00:10:2212
110922870,2sleep120-21swapper/1221:15:494
387628674,8sleep50-21swapper/519:08:5911
387328672,9sleep20-21swapper/219:08:568
84942850,6sleep5463199cyclictest23:52:5811
77452850,0sleep50-21swapper/500:32:4911
322962850,0sleep130-21swapper/1300:28:415
218232840,0sleep10-21swapper/121:51:281
417128375,4sleep00-21swapper/019:12:060
399828375,4sleep130-21swapper/1319:10:275
388528375,4sleep140-21swapper/1419:09:086
397028272,6sleep40-21swapper/419:10:0210
101612820,0sleep120-21swapper/1200:09:404
65402810,0sleep70-21swapper/700:09:1913
391728173,4sleep80-21swapper/819:09:3414
200472800,1sleep40-21swapper/400:40:3410
104222800,0sleep10-21swapper/121:56:491
256812790,0sleep110-21swapper/1122:30:413
121672780,0sleep00-21swapper/023:34:100
266422730,1sleep726643-21cut19:37:5213
129452690,0sleep130-21swapper/1300:09:575
199232680,6sleep15464499cyclictest21:16:407
22622670,1sleep130-21swapper/1323:17:165
148092650,1sleep100-21swapper/1022:32:492
148092650,1sleep100-21swapper/1022:32:492
137352630,6sleep11463999cyclictest21:16:043
463699540,40cyclictest26460-21sshd21:55:0415
94742500,2sleep130-21swapper/1321:31:215
4627995045,3cyclictest0-21swapper/323:39:389
464399490,2cyclictest0-21swapper/1422:38:066
464399490,2cyclictest0-21swapper/1422:38:066
464399480,3cyclictest32153-21gdbus23:37:506
464399480,3cyclictest19496-21sshd00:10:356
464399480,3cyclictest1270-21gdbus22:13:546
263202480,24sleep9463699cyclictest00:08:0115
464399470,3cyclictest32151-21packagekitd21:34:266
464399470,3cyclictest1041-21dbus-daemon22:07:586
464399470,2cyclictest0-21swapper/1422:22:346
4627994742,3cyclictest1-21systemd22:00:599
4627994741,4cyclictest654-21sshd22:57:319
4627994741,4cyclictest28615-2110-uname22:11:329
4627994741,4cyclictest0-21swapper/323:52:009
464399460,3cyclictest0-21swapper/1400:22:546
464399460,2cyclictest0-21swapper/1423:13:586
464399460,2cyclictest0-21swapper/1423:10:546
464399460,2cyclictest0-21swapper/1422:49:226
464399460,2cyclictest0-21swapper/1422:49:226
464399460,2cyclictest0-21swapper/1422:05:226
464399460,2cyclictest0-21swapper/1421:57:146
464399460,2cyclictest0-21swapper/1421:25:306
464399460,2cyclictest0-21swapper/1400:35:586
464399460,2cyclictest0-21swapper/1400:18:266
463999461,42cyclictest31345-21systemd-cgroups23:48:593
4627994642,2cyclictest517-21systemd-journal22:28:099
464399451,3cyclictest1-21systemd23:31:296
464399450,4cyclictest27152-21systemd21:29:506
464399450,42cyclictest0-21swapper/1400:01:436
464399450,3cyclictest30713-21updatedb.mlocat00:13:546
464399450,3cyclictest1059-21systemd-logind23:45:586
464399450,2cyclictest0-21swapper/1423:23:546
464399450,2cyclictest0-21swapper/1422:57:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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