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2026-06-10 - 16:46
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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 Wed Jun 10, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26658923100,3sleep1266588-21ssh10:34:341
26658923100,3sleep1266588-21ssh10:34:331
22529821150,1sleep20-21swapper/210:05:212
4172457993229,1cyclictest0-21swapper/312:10:003
4172457992522,1cyclictest0-21swapper/310:25:233
4172457992421,1cyclictest0-21swapper/309:00:003
4172457992320,1cyclictest0-21swapper/312:00:073
417245799222,15cyclictest335902-21taskset11:17:463
4172457992220,1cyclictest0-21swapper/310:40:013
4172457992219,1cyclictest0-21swapper/312:40:013
4172457992219,1cyclictest0-21swapper/311:25:013
4172457992219,1cyclictest0-21swapper/310:25:003
4172457992218,1cyclictest0-21swapper/308:00:113
417245799221,16cyclictest128596-21chrt09:05:123
4172457992118,1cyclictest0-21swapper/311:29:103
4172457992118,1cyclictest0-21swapper/309:34:343
4172457992017,1cyclictest0-21swapper/310:05:163
417245799201,14cyclictest64164-21taskset08:15:003
417245799201,14cyclictest398842-21turbostat12:00:003
4172457991916,1cyclictest0-21swapper/310:00:263
4172457991916,1cyclictest0-21swapper/309:45:243
4172457991916,1cyclictest0-21swapper/307:33:343
417245799191,14cyclictest38349-21taskset07:53:473
417245799191,14cyclictest359780-21taskset11:34:263
417245799191,14cyclictest300931-21taskset10:55:163
417245799191,14cyclictest290476-21chrt10:50:123
417245799191,13cyclictest70529-21turbostat08:20:003
417245799191,13cyclictest205023-21chrt09:55:103
417245799182,12cyclictest89728-21turbostat08:35:003
417245799182,12cyclictest288604-21taskset10:45:303
4172457991815,1cyclictest0-21swapper/311:35:213
4172457991815,1cyclictest0-21swapper/309:20:053
417245799181,13cyclictest51723-21taskset08:05:143
417245799181,13cyclictest428707-21chrt12:16:403
417245799181,13cyclictest4187048-21taskset07:16:033
417245799181,13cyclictest388897-21chrt11:50:213
417245799181,13cyclictest374460-21taskset11:42:043
417245799181,13cyclictest319646-21taskset11:05:363
417245799181,13cyclictest281569-21taskset10:42:463
417245799181,13cyclictest235039-21taskset10:13:113
417245799181,13cyclictest181778-21chrt09:40:123
417245799181,13cyclictest164928-21taskset09:27:173
417245799181,13cyclictest108703-21taskset08:45:433
417245799172,11cyclictest437970-21taskset12:25:103
4172457991714,1cyclictest0-21swapper/307:35:183
417245799171,13cyclictest90001-21taskset08:35:053
417245799171,13cyclictest44811-21taskset07:59:363
417245799171,13cyclictest4193484-21taskset07:21:243
417245799171,13cyclictest321452-21taskset11:10:053
417245799171,13cyclictest313415-21taskset11:04:593
417245799171,13cyclictest258989-21sleep10:34:553
417245799171,13cyclictest258989-21sleep10:34:553
417245799171,13cyclictest235941-21taskset10:15:043
417245799171,13cyclictest149537-21taskset09:17:423
417245799171,13cyclictest141980-21taskset09:13:303
417245799171,13cyclictest115261-21taskset08:52:163
417245799171,12cyclictest5975-21taskset07:26:173
417245799171,12cyclictest445649-21taskset12:30:073
417245799171,12cyclictest202605-21chrt09:50:223
417245799171,12cyclictest179341-21taskset09:35:223
417245799171,12cyclictest102317-21taskset08:40:493
417245799170,14cyclictest70778-21taskset08:20:053
3849842170,13sleep2386437-21cat11:50:182
4172457991613,1cyclictest0-21swapper/312:20:083
4172457991613,1cyclictest0-21swapper/311:45:173
417245799161,12cyclictest83027-21taskset08:26:193
417245799161,12cyclictest4176988-21taskset07:10:173
417245799161,12cyclictest414644-21taskset12:10:073
417245799161,12cyclictest414644-21taskset12:10:073
417245799161,12cyclictest25916-21taskset07:45:133
417245799161,12cyclictest25561-21taskset07:44:253
417245799161,12cyclictest127972-21taskset09:00:553
1338792151,2sleep20-21swapper/209:05:242
3685832141,10sleep1369478-21/usr/sbin/munin11:40:191
1350602141,4sleep1135055-21apt-get09:10:121
3438922130,5sleep2343900-21ssh11:23:162
2744502130,3sleep20-21swapper/210:39:532
41880452121,8sleep24188286-21cut07:20:162
1967852121,4sleep2196789-21ssh09:49:342
707972113,4sleep170821-21apt-get08:20:111
4435732110,8sleep1443823-21users12:25:251
41787732110,5sleep04178828-21systemd-run07:15:010
4062712110,8sleep2406277-21ssh12:04:052
3967202111,7sleep0396762-21ntpq11:55:250
2672852110,8sleep1267468-21expr10:35:161
2235702110,8sleep1225295-21kthreadcore10:05:211
1508192113,5sleep1150893-21fschecks_count09:20:141
79332101,6sleep18975-21tr07:30:171
4519972100,7sleep2451999-21ssh12:31:362
41872492100,3sleep2222-21plymouthd07:18:352
3043132100,7sleep2304317-21ssh10:56:052
1799922100,1sleep20-21swapper/209:35:582
1480752100,7sleep1142815-21/usr/sbin/munin09:15:201
90207291,5sleep290314-21tune2fs08:35:172
6569294,2sleep04172452-21cyclictest07:30:120
6265290,6sleep16426-21latency_hist07:30:001
51572291,4sleep151574-21apt-get08:05:131
443224290,1sleep00-21swapper/012:25:200
420266293,3sleep2420435-21sed12:10:272
420266293,3sleep2420435-21sed12:10:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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