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2026-06-13 - 18:39
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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 Sat Jun 13, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3088568992421,1cyclictest0-21swapper/307:40:113
3088568992320,1cyclictest0-21swapper/311:40:273
3088568992320,1cyclictest0-21swapper/311:05:013
3088568992320,1cyclictest0-21swapper/310:15:253
3088568992320,1cyclictest0-21swapper/309:20:073
3088568992219,1cyclictest0-21swapper/312:15:003
3088568992118,1cyclictest0-21swapper/311:10:263
3088568992118,1cyclictest0-21swapper/308:35:193
3088568992116,2cyclictest3539863-21turbostat12:20:013
3088568992017,1cyclictest0-21swapper/309:00:253
3088568992017,1cyclictest0-21swapper/307:50:013
308856899201,14cyclictest3430050-21taskset11:06:553
32141152199,7sleep23215115-21cut08:45:192
308856899192,13cyclictest3353785-21taskset10:20:043
308856899192,13cyclictest3088779-21taskset07:10:043
308856899192,12cyclictest3516697-21taskset12:05:003
3088568991916,1cyclictest0-21swapper/310:40:083
3088568991916,1cyclictest0-21swapper/310:05:253
308856899191,14cyclictest3477021-21taskset11:38:023
308856899191,14cyclictest3238723-21taskset09:05:143
308856899191,13cyclictest3407936-21sleep10:55:003
308856899191,13cyclictest3398019-21chrt10:45:223
308856899191,13cyclictest3361624-21chrt10:25:143
308856899191,13cyclictest3315351-21taskset09:55:153
308856899191,13cyclictest3231965-21taskset08:59:453
308856899189,6cyclictest30988112sleep307:15:193
308856899182,13cyclictest3297796-21taskset09:40:463
3088568991816,1cyclictest0-21swapper/311:25:143
3088568991815,1cyclictest0-21swapper/312:35:223
3088568991815,1cyclictest0-21swapper/310:30:233
3088568991815,1cyclictest0-21swapper/309:45:133
3088568991815,1cyclictest0-21swapper/309:10:223
3088568991815,1cyclictest0-21swapper/308:08:533
308856899181,13cyclictest3546265-21taskset12:21:003
308856899181,13cyclictest3508799-21turbostat12:00:003
308856899181,13cyclictest3491174-21taskset11:45:233
308856899181,13cyclictest3383803-21taskset10:37:483
308856899181,13cyclictest3283372-21taskset09:34:013
308856899181,13cyclictest3268374-21taskset09:25:033
308856899181,13cyclictest3186715-21taskset08:20:293
308856899181,13cyclictest3161421-21taskset08:04:543
308856899181,13cyclictest3153414-21taskset07:55:183
308856899181,13cyclictest3148291-21taskset07:51:423
308856899181,13cyclictest3125892-21taskset07:35:193
308856899181,13cyclictest3109878-21taskset07:23:353
33687872171,8sleep23368793-21ssh10:29:262
33021132170,14sleep13303896-21tr09:45:201
308856899172,12cyclictest3522307-21taskset12:05:243
3088568991714,1cyclictest0-21swapper/311:15:223
3088568991714,1cyclictest0-21swapper/307:25:203
308856899171,13cyclictest3497819-21taskset11:50:173
308856899171,13cyclictest3344184-21taskset10:10:333
308856899171,13cyclictest3259043-21taskset09:16:213
308856899171,13cyclictest3199106-21taskset08:30:233
308856899171,12cyclictest3328646-21taskset10:00:313
308856899171,12cyclictest3313326-21taskset09:50:573
308856899171,12cyclictest3218928-21taskset08:46:223
308856899171,12cyclictest3212563-21taskset08:41:373
308856899171,12cyclictest3193203-21taskset08:25:493
308856899171,12cyclictest3180414-21taskset08:17:073
3088568991613,1cyclictest0-21swapper/311:20:113
308856899161,12cyclictest3562017-21taskset12:31:383
308856899161,12cyclictest3462502-21chrt11:30:133
308856899161,12cyclictest3414098-21taskset10:55:283
308856899161,12cyclictest3289953-21taskset09:35:333
308856899161,12cyclictest3219572-21taskset08:50:123
308856899161,12cyclictest3219572-21taskset08:50:113
308856899161,12cyclictest3173963-21taskset08:11:033
308856899161,11cyclictest3547884-21taskset12:25:063
308856899161,11cyclictest3116728-21chrt07:30:133
30882122150,2sleep30-21swapper/307:07:013
34322862141,10sleep03432922-21cut11:10:170
32835482141,6sleep23283553-21diskmemload09:34:372
35454972130,3sleep13545545-21ssh12:20:231
34697442130,3sleep00-21swapper/011:34:270
33009582130,10sleep03302111-21grep09:45:190
35697832121,8sleep23569789-21ssh12:36:482
34923262120,8sleep03492332-21ssh11:47:230
33761992120,6sleep23075664-21kworker/u16:3+rpciod10:33:232
33357482121,8sleep03335794-21ntpq10:05:220
33307712121,8sleep23330470-21/usr/sbin/munin10:05:172
33143912120,8sleep13314397-21ssh09:54:091
32367602121,8sleep03237356-21missed_timers09:00:190
32091052120,10sleep23210935-21kthreadcore08:40:212
35388002111,7sleep13538806-21ssh12:17:031
33382752111,2sleep10-21swapper/110:10:121
32533052111,7sleep10-21swapper/109:15:161
32002292112,5sleep23200262-21apt-get08:35:112
31870652110,4sleep13187149-21appstreamcli08:25:001
31809202111,7sleep2222-21plymouthd08:20:092
31476022110,8sleep23147644-21ntpq07:50:222
31424642111,2sleep10-21swapper/107:50:131
30949822110,3sleep13095011-21latency_hist07:15:001
34483202100,7sleep13449253-21grep11:20:171
34421662100,7sleep03443925-21kthreadcore11:15:190
34369292101,6sleep13437072-21timerwakeupswit11:10:261
34316032101,5sleep23431806-21hddtemp_smartct11:10:162
34236842100,3sleep0222-21plymouthd11:05:080
33626992100,7sleep03363058-21kthreadcore10:25:190
33452342100,7sleep03345240-21ssh10:13:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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