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2026-05-14 - 05:04
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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 May 14, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2801954992926,1cyclictest0-21swapper/323:20:243
2801954992825,1cyclictest0-21swapper/323:20:013
2801954992522,1cyclictest0-21swapper/300:20:003
2801954992422,1cyclictest0-21swapper/300:20:013
2801954992421,1cyclictest0-21swapper/322:40:123
2801954992421,1cyclictest0-21swapper/322:40:123
129998240,10rtkit-daemon3235762-21ssh00:03:020
2801954992320,1cyclictest0-21swapper/320:15:013
2801954992320,1cyclictest0-21swapper/300:40:013
32440672210,17sleep23244071-21ssh00:08:582
2801954992118,1cyclictest0-21swapper/319:20:013
2801954992118,1cyclictest0-21swapper/300:10:243
280195499206,10cyclictest3077985-21sleep22:25:003
2801954992017,1cyclictest0-21swapper/321:30:213
2801954992017,1cyclictest0-21swapper/320:20:033
2801954992017,1cyclictest0-21swapper/320:00:003
2801954992016,1cyclictest0-21swapper/322:25:163
280195499201,15cyclictest3237019-21taskset00:05:123
280195499199,7cyclictest32275802sleep323:57:193
280195499192,13cyclictest3101731-21sleep22:40:003
2801954991916,1cyclictest0-21swapper/323:35:173
2801954991916,1cyclictest0-21swapper/322:05:133
2801954991916,1cyclictest0-21swapper/321:45:173
2801954991916,1cyclictest0-21swapper/321:25:253
2801954991916,1cyclictest0-21swapper/320:40:033
2801954991916,1cyclictest0-21swapper/320:17:003
2801954991916,1cyclictest0-21swapper/319:15:003
280195499191,14cyclictest3203430-21taskset23:41:123
280195499191,14cyclictest3125799-21taskset22:55:133
280195499191,14cyclictest3023304-21taskset21:50:143
280195499191,14cyclictest2829917-21turbostat19:30:013
280195499191,13cyclictest2842497-21chrt19:36:083
2801954991815,1cyclictest0-21swapper/323:50:173
2801954991815,1cyclictest0-21swapper/320:50:173
2801954991815,1cyclictest0-21swapper/320:45:203
2801954991815,1cyclictest0-21swapper/320:35:003
280195499181,13cyclictest3188881-21taskset23:34:463
280195499181,13cyclictest3155068-21taskset23:10:243
280195499181,13cyclictest3140829-21taskset23:03:503
280195499181,13cyclictest3124188-21chrt22:51:353
280195499181,13cyclictest3069266-21taskset22:17:563
280195499181,13cyclictest3037670-21chrt21:58:043
280195499181,13cyclictest3004561-21taskset21:35:233
280195499181,13cyclictest2967506-21chrt21:15:143
280195499181,13cyclictest2953631-21taskset21:05:153
280195499181,13cyclictest2810816-21chrt19:15:113
280195499172,12cyclictest2945948-21taskset20:57:263
280195499172,12cyclictest2945948-21taskset20:57:253
2801954991714,1cyclictest0-21swapper/323:25:173
2801954991714,1cyclictest0-21swapper/322:31:103
2801954991714,1cyclictest0-21swapper/322:00:133
2801954991714,1cyclictest0-21swapper/320:40:013
2801954991714,1cyclictest0-21swapper/300:30:213
280195499171,13cyclictest3212247-21taskset23:48:293
280195499171,13cyclictest3148336-21taskset23:07:283
280195499171,13cyclictest3117180-21taskset22:48:553
280195499171,13cyclictest3061383-21taskset22:12:543
280195499171,13cyclictest2981473-21taskset21:20:593
280195499171,12cyclictest3274511-21taskset00:25:303
280195499171,12cyclictest3007089-21taskset21:40:123
280195499171,12cyclictest2907467-21taskset20:29:563
280195499171,12cyclictest2874922-21taskset20:01:503
280195499171,12cyclictest2849540-21taskset19:45:023
280195499171,12cyclictest2848956-21taskset19:40:493
280195499171,11cyclictest2856024-21chrt19:50:113
28686662162,10sleep22868727-21sendmail-msp20:00:002
2801954991614,1cyclictest0-21swapper/319:30:173
280195499161,12cyclictest2965573-21taskset21:10:453
280195499161,12cyclictest2952372-21taskset21:01:433
280195499161,12cyclictest2881258-21taskset20:05:293
280195499161,11cyclictest3228916-21taskset00:00:083
32067792150,11sleep13207911-21ssh23:45:191
30930752150,8sleep134-21ksoftirqd/122:33:151
32165612144,7sleep03218211-21sed23:50:200
28017602140,2sleep30-21swapper/319:09:353
32918172130,10sleep03291823-21ssh00:39:470
32676932131,9sleep13267699-21ssh00:23:281
32517762130,2sleep10-21swapper/100:13:261
32364802131,9sleep13236491-21cron00:05:001
29887412131,4sleep22988856-21python321:25:242
28172442131,3sleep12817277-21apt-get19:20:111
129998130,9rtkit-daemon3187469-21ssh23:30:510
129998130,9rtkit-daemon2974359-21ssh21:18:142
129998130,4rtkit-daemon703-21mta-sts-daemon21:59:401
32919092121,8sleep23291927-21latency_hist00:40:012
31736452121,8sleep00-21swapper/023:25:130
31487152120,9sleep13148721-21ssh23:08:271
30221902120,8sleep23022196-21ssh21:49:022
29590912121,8sleep21-21systemd21:10:012
129998120,8rtkit-daemon2925947-21ntpq20:40:212
129998120,2rtkit-daemon1298-21rtkit-daemon23:43:060
32523502110,8sleep03252356-21ssh00:14:530
32351582111,7sleep2222-21plymouthd00:01:242
31717892110,8sleep13171795-21ssh23:21:301
30533022110,3sleep23053308-21ssh22:07:262
30302102110,8sleep13030216-21ssh21:54:221
30070602112,5sleep23007082-21apt-get21:40:112
29020142110,8sleep02902826-21grep20:25:170
28708592110,8sleep02872405-21grep20:00:190
28564302111,6sleep22857203-21irqrtprio19:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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