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2025-12-12 - 15:13
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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 Fri Dec 12, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
466533992522,1cyclictest0-21swapper/300:35:013
466533992118,1cyclictest0-21swapper/322:25:163
147598210,9rtkit-daemon854157-21grep23:35:140
466533992017,1cyclictest0-21swapper/323:10:263
466533992017,1cyclictest0-21swapper/321:35:123
46653399201,13cyclictest588217-21taskset20:45:003
466533991916,1cyclictest0-21swapper/323:43:423
466533991916,1cyclictest0-21swapper/319:15:183
466533991916,1cyclictest0-21swapper/319:15:173
46653399191,13cyclictest716151-21turbostat22:10:013
7425722188,7sleep2744530-21cut22:25:172
46653399182,12cyclictest600673-21turbostat20:54:593
46653399181,6cyclictest613216-21turbostat21:04:593
466533991816,1cyclictest0-21swapper/323:15:183
466533991815,1cyclictest0-21swapper/323:50:193
466533991815,1cyclictest0-21swapper/323:25:193
466533991815,1cyclictest0-21swapper/319:25:013
46653399181,13cyclictest789154-21chrt22:55:003
46653399181,13cyclictest492446-21taskset19:25:183
46653399180,13cyclictest531147-21chrt19:59:553
46653399177,7cyclictest772593-21taskset22:44:063
466533991715,1cyclictest0-21swapper/322:55:193
466533991715,1cyclictest0-21swapper/321:15:203
466533991715,0cyclictest0-21swapper/321:55:223
466533991714,1cyclictest0-21swapper/322:30:223
466533991714,1cyclictest0-21swapper/320:35:213
46653399171,13cyclictest649326-21chrt21:25:233
46653399171,13cyclictest649326-21chrt21:25:233
46653399171,13cyclictest499550-21chrt19:31:233
46653399171,12cyclictest935116-21taskset00:25:243
46653399171,12cyclictest913350-21taskset00:15:153
46653399171,12cyclictest853603-21taskset23:34:553
46653399171,12cyclictest853603-21taskset23:34:543
46653399171,12cyclictest689845-21taskset21:50:283
46653399171,12cyclictest682135-21chrt21:45:473
46653399171,12cyclictest555685-21taskset20:15:233
46653399170,13cyclictest546823-21chrt20:10:183
46653399168,5cyclictest912973-21turbostat00:14:593
46653399167,7cyclictest506137-21sleep19:40:013
46653399166,7cyclictest805490-21taskset23:05:023
466533991613,1cyclictest0-21swapper/323:45:193
466533991613,1cyclictest0-21swapper/323:35:183
466533991613,1cyclictest0-21swapper/322:35:163
466533991613,1cyclictest0-21swapper/319:10:173
466533991613,1cyclictest0-21swapper/319:10:173
466533991613,1cyclictest0-21swapper/300:10:013
46653399161,12cyclictest954129-21chrt00:39:353
46653399161,12cyclictest898433-21chrt00:00:323
46653399161,12cyclictest797671-21taskset23:00:173
46653399161,12cyclictest780356-21taskset22:48:233
46653399161,12cyclictest731804-21chrt22:18:133
46653399161,12cyclictest722508-21taskset22:10:283
46653399161,12cyclictest659683-21chrt21:34:573
46653399161,12cyclictest643653-21taskset21:24:593
46653399161,12cyclictest625880-21taskset21:11:013
46653399161,12cyclictest574913-21chrt20:32:423
46653399160,13cyclictest591170-21taskset20:45:203
46653399160,12cyclictest562812-21chrt20:25:053
46653399160,12cyclictest537152-21chrt20:01:053
7898782151,10sleep0790644-21sed22:55:180
466533991512,1cyclictest0-21swapper/321:40:173
466533991512,1cyclictest0-21swapper/319:45:163
46653399151,12cyclictest706149-21chrt22:00:343
46653399151,11cyclictest886304-21taskset23:55:033
46653399151,11cyclictest738787-21taskset22:20:423
46653399151,11cyclictest619141-21taskset21:05:483
46653399151,11cyclictest606613-21taskset20:56:063
46653399151,11cyclictest543460-21taskset20:05:413
46653399151,11cyclictest519071-21taskset19:50:153
46653399151,11cyclictest512134-21taskset19:41:493
46653399150,12cyclictest927627-21taskset00:21:193
46653399150,12cyclictest836860-21taskset23:23:333
147598150,9rtkit-daemon769491-21grep22:40:192
46653399140,11cyclictest556568-21taskset20:20:043
147598140,9rtkit-daemon588233-21sed20:45:000
4664962130,2sleep00-21swapper/019:10:010
147598130,8rtkit-daemon893265-21irqcore00:00:172
8720722120,9sleep0874070-21tr23:45:190
8367002121,3sleep1836708-21ssh23:23:081
7798312120,8sleep0779839-21ssh22:47:080
9382102110,7sleep1938348-21cpuspeed_turbos00:30:161
8568512110,8sleep2858934-21cut23:35:192
6670392111,2sleep20-21swapper/221:38:142
6360292110,4sleep00-21swapper/021:20:160
5263422110,8sleep0527431-21cut19:55:180
147598110,7rtkit-daemon884961-21chrt23:52:292
147598110,7rtkit-daemon744-21runrttasks22:00:580
147598110,7rtkit-daemon666375-21ssh21:36:401
9214732100,7sleep1921624-21df00:20:141
8782222100,2sleep10-21swapper/123:50:121
8479242100,7sleep2849946-21tr23:30:182
8479242100,7sleep2849946-21tr23:30:182
8158072100,7sleep0817805-21cut23:10:210
7401042100,8sleep0740111-21sh22:23:440
7243782100,7sleep2724386-21ssh22:14:482
7150912101,6sleep0715098-21sh22:07:360
6914222100,7sleep2691430-21ssh21:53:492
6202282101,5sleep2620575-21cut21:10:172
6076032106,2sleep20-21swapper/221:00:192
5960702100,7sleep1597479-21grep20:50:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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