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2025-12-12 - 00:09
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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 Dec 11, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8874502730,71sleep0821257-21kworker/u16:0+efi_rts_wq07:25:130
866266992925,1cyclictest0-21swapper/309:25:013
866266992219,1cyclictest0-21swapper/311:00:003
866266992018,1cyclictest0-21swapper/307:45:013
866266991916,1cyclictest0-21swapper/311:44:593
866266991916,1cyclictest0-21swapper/309:50:003
866266991916,1cyclictest0-21swapper/308:50:003
86626699191,13cyclictest1113689-21taskset10:10:013
86626699191,13cyclictest1081878-21taskset09:50:003
86626699189,6cyclictest13202362sleep312:17:173
866266991815,1cyclictest0-21swapper/310:30:183
866266991815,1cyclictest0-21swapper/310:30:173
866266991815,1cyclictest0-21swapper/309:00:143
866266991815,1cyclictest0-21swapper/308:30:163
866266991815,1cyclictest0-21swapper/308:20:013
147598180,1rtkit-daemon0-21swapper/008:51:570
86626699171,13cyclictest996985-21taskset08:50:193
86626699171,13cyclictest1353278-21turbostat12:40:013
86626699171,13cyclictest1353278-21turbostat12:40:003
86626699171,13cyclictest1031259-21taskset09:15:223
86626699171,12cyclictest943554-21chrt08:10:033
86626699171,12cyclictest1225786-21turbostat11:20:003
86626699171,12cyclictest1005398-21taskset08:59:553
86626699171,11cyclictest1018001-21taskset09:10:023
86626699170,9cyclictest955946-21taskset08:20:003
86626699167,6cyclictest12564222sleep311:37:133
86626699166,7cyclictest12092332sleep311:08:403
86626699166,7cyclictest1153697-21sleep10:39:563
866266991613,1cyclictest0-21swapper/311:01:593
866266991613,1cyclictest0-21swapper/310:55:003
866266991613,1cyclictest0-21swapper/310:40:173
86626699161,12cyclictest937371-21taskset08:05:023
86626699161,12cyclictest899751-21taskset07:35:013
86626699161,12cyclictest893387-21taskset07:30:003
86626699161,12cyclictest866438-21chrt07:10:043
86626699161,12cyclictest1342592-21chrt12:30:183
86626699161,12cyclictest1328098-21taskset12:21:563
86626699161,12cyclictest1297105-21taskset12:03:493
86626699161,12cyclictest1247932-21taskset11:31:043
86626699161,12cyclictest1241676-21turbostat11:30:003
86626699161,12cyclictest1216039-21taskset11:10:523
86626699161,12cyclictest1176426-21chrt10:46:323
86626699161,12cyclictest1095174-21taskset09:55:223
86626699161,12cyclictest1064411-21chrt09:37:343
86626699161,12cyclictest1057393-21chrt09:34:463
86626699161,12cyclictest1049570-21turbostat09:30:003
86626699161,11cyclictest1274047-21taskset11:50:113
86626699161,11cyclictest1137677-21taskset10:24:553
86626699160,8cyclictest924875-21taskset07:55:013
86626699157,6cyclictest1105522-21turbostat10:05:003
866266991512,1cyclictest0-21swapper/312:05:193
866266991512,1cyclictest0-21swapper/309:05:163
86626699151,12cyclictest880115-21taskset07:15:213
86626699151,12cyclictest1335820-21chrt12:26:173
86626699151,12cyclictest1288398-21chrt11:57:093
86626699151,11cyclictest986270-21taskset08:40:243
86626699151,11cyclictest980384-21taskset08:36:243
86626699151,11cyclictest893589-21taskset07:30:053
86626699151,11cyclictest881247-21taskset07:20:113
86626699151,11cyclictest1266069-21taskset11:45:103
86626699151,11cyclictest1128754-21taskset10:18:263
86626699151,11cyclictest1120574-21chrt10:12:573
86626699150,12cyclictest930683-21taskset07:56:403
86626699150,12cyclictest1313464-21taskset12:14:553
86626699150,12cyclictest1231746-21chrt11:20:263
86626699150,12cyclictest1143781-21chrt10:25:313
86626699150,11cyclictest1071527-21taskset09:40:313
147598150,3rtkit-daemon0-21swapper/110:38:261
86626699140,11cyclictest962135-21taskset08:25:023
86626699140,11cyclictest931205-21taskset08:00:013
86626699140,11cyclictest912608-21taskset07:45:023
147598140,9rtkit-daemon943290-21chrt08:09:450
147598140,6rtkit-daemon474-21systemd-logind12:18:420
11774172140,7sleep21177425-21ssh10:48:512
11448892141,10sleep01144897-21ssh10:28:050
11134482140,7sleep21113687-21latency_hist10:10:002
8904052131,2sleep10-21swapper/107:25:181
11368382130,2sleep134-21ksoftirqd/110:22:571
11218032131,9sleep21121764-21/usr/sbin/munin10:15:132
10654942130,6sleep01065698-21sh09:40:010
147598120,8rtkit-daemon1215993-21ssh11:10:461
147598120,8rtkit-daemon1091252-21kthreadcore09:55:182
147598120,7rtkit-daemon1121575-21latency_hist10:15:010
147598120,5rtkit-daemon1540-21sendmail-mta12:01:271
12400632121,8sleep01240071-21ssh11:26:210
11939402121,8sleep11194039-21latency_hist11:00:001
11772982120,9sleep11177306-21ssh10:48:301
8935982112,5sleep2893631-21apt-get07:30:132
8602512110,6sleep30-21swapper/307:05:123
147598110,6rtkit-daemon1250379-21grep11:35:211
147598110,3rtkit-daemon1017768-21diskmemload12:32:200
147598110,2rtkit-daemon214-21plymouthd09:18:050
12996142110,4sleep01301574-21cut12:05:190
11942802110,8sleep01194288-21acpi11:00:120
10581312110,8sleep01058694-21sed09:35:170
10411842110,1sleep10-21swapper/109:24:071
9933422102,5sleep1993345-21apt-get08:50:141
8938352101,6sleep1893974-21if_eno207:30:161
8677672101,2sleep20-21swapper/207:10:172
147598100,6rtkit-daemon1540-21sendmail-mta11:42:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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