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2026-04-16 - 22:45
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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 rackeslot8.osadl.org (updated Thu Apr 16, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110839921090,1sleep10-21swapper/107:50:181
14292252720,1sleep2431ktimers/211:30:252
11348562270,4sleep134-21ksoftirqd/108:10:181
11348562270,4sleep134-21ksoftirqd/108:10:171
105088799233,6cyclictest0-21swapper/309:15:003
105088799221,16cyclictest1500951-21chrt12:20:133
105088799221,15cyclictest1223174-21chrt09:20:123
105088799220,19cyclictest1384289-21taskset11:03:323
105088799212,15cyclictest1117342-21taskset07:59:583
1050887992119,1cyclictest0-21swapper/312:20:003
105088799211,16cyclictest1469694-21turbostat12:00:003
105088799211,16cyclictest1413898-21taskset11:20:273
105088799210,17cyclictest1200952-21turbostat09:05:013
105088799201,16cyclictest1349953-21taskset10:40:183
105088799201,16cyclictest1283505-21taskset09:56:523
105088799201,15cyclictest1445762-21taskset11:42:363
105088799201,15cyclictest1375888-21taskset10:56:383
105088799201,15cyclictest1292084-21taskset10:04:303
105088799201,15cyclictest1253371-21taskset09:39:163
105088799201,15cyclictest1194117-21taskset08:56:153
105088799201,15cyclictest1110913-21taskset07:54:323
105088799201,14cyclictest1345445-21chrt10:37:423
105088799200,14cyclictest14308742sleep311:34:243
105088799200,14cyclictest12389682sleep309:30:153
105088799192,12cyclictest1091322-21taskset07:36:173
105088799191,15cyclictest1483985-21taskset12:06:343
105088799191,15cyclictest1406719-21taskset11:16:223
105088799191,15cyclictest1406719-21taskset11:16:223
105088799191,15cyclictest1330045-21taskset10:27:433
105088799191,15cyclictest1276417-21taskset09:53:523
105088799191,15cyclictest1268081-21taskset09:46:543
105088799191,15cyclictest1207427-21turbostat09:10:013
105088799191,14cyclictest1174299-21taskset08:40:233
105088799191,14cyclictest1168442-21taskset08:36:343
105088799191,14cyclictest1130442-21taskset08:10:043
105088799191,14cyclictest1130442-21taskset08:10:043
105088799191,13cyclictest1254035-21chrt09:40:133
105088799191,13cyclictest1073055-21chrt07:25:143
105088799190,13cyclictest11427982sleep308:17:113
105088799185,6cyclictest13914722sleep311:06:573
105088799181,14cyclictest1399673-21taskset11:13:183
105088799181,14cyclictest1079047-21taskset07:30:113
105088799181,14cyclictest1065761-21taskset07:19:093
105088799181,13cyclictest1523460-21taskset12:34:163
105088799181,13cyclictest1516024-21taskset12:29:593
105088799181,13cyclictest1491349-21taskset12:10:313
105088799181,13cyclictest1460891-21taskset11:51:433
105088799181,13cyclictest1446838-21taskset11:45:013
105088799181,13cyclictest1360479-21taskset10:46:283
105088799181,13cyclictest1308041-21taskset10:15:133
105088799181,13cyclictest1155590-21taskset08:26:243
105088799181,13cyclictest1123733-21taskset08:04:073
105088799181,12cyclictest14769472sleep312:03:383
105088799181,12cyclictest1331485-21chrt10:30:163
105088799181,12cyclictest1051079-21chrt07:10:113
105088799180,14cyclictest1307514-21taskset10:14:323
105088799180,14cyclictest1237306-21taskset09:27:063
14469372171,3sleep21446932-21apt-get11:45:132
12956352170,1sleep0221rcuc/010:05:190
12294082170,2sleep10-21swapper/109:21:311
105088799171,13cyclictest1530714-21taskset12:37:533
105088799171,13cyclictest1437842-21taskset11:37:033
105088799171,13cyclictest1222717-21taskset09:19:483
105088799171,13cyclictest0-21swapper/310:20:113
105088799171,13cyclictest0-21swapper/307:40:123
105088799171,12cyclictest1187661-21taskset08:51:013
105088799171,12cyclictest1175443-21taskset08:45:123
105088799171,12cyclictest1161983-21chrt08:31:053
105088799171,12cyclictest1104118-21taskset07:45:313
105088799171,12cyclictest0-21swapper/311:25:133
105088799171,12cyclictest0-21swapper/310:05:133
129998160,2rtkit-daemon222-21plymouthd08:43:100
129998160,2rtkit-daemon0-21swapper/009:11:310
105088799161,13cyclictest0-21swapper/308:05:143
105088799161,12cyclictest1071957-21taskset07:21:013
105088799161,12cyclictest0-21swapper/310:50:133
14227912155,7sleep21422796-21diskmemload11:28:092
11666472151,11sleep01167606-21memory08:35:200
11163872151,11sleep01116426-21ntpq07:55:230
105088799151,11cyclictest0-21swapper/308:20:123
14830842141,10sleep01483113-21ntp_states12:05:240
14623172149,2sleep00-21swapper/011:55:130
13826322144,2sleep2171rcu_preempt11:00:232
12536222141,5sleep21253814-21latency_hist09:40:012
12223262140,4sleep10-21swapper/109:18:351
13313262131,9sleep21331484-21/usr/sbin/munin10:30:162
129998130,8rtkit-daemon1154124-21kthreadcore08:25:180
129998130,3rtkit-daemon1072359-21appstreamcli07:25:030
10712742131,9sleep11071320-21ntpq07:20:201
14685242120,9sleep21468528-21ssh11:56:282
13639822120,9sleep11365652-21cut10:50:201
13065722120,1sleep20-21swapper/210:11:442
129998120,7rtkit-daemon1260797-21ssh09:43:182
129998120,4rtkit-daemon1011884-21munin-node07:10:040
129998120,3rtkit-daemon703-21mta-sts-daemon09:26:282
12926182121,8sleep20-21swapper/210:05:142
11754182123,5sleep21175440-21apt-get08:45:122
11292002121,8sleep11129252-21ntpq08:05:221
14704392110,8sleep21470938-21cut12:00:162
13699492111,7sleep21370082-21irqcore10:55:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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