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2026-06-29 - 10:19
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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 Mon Jun 29, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71228121280,3sleep1321rcuc/123:10:001
368757993027,1cyclictest0-21swapper/320:40:133
368757992825,1cyclictest0-21swapper/319:55:263
368757992724,1cyclictest0-21swapper/323:10:013
368757992724,1cyclictest0-21swapper/322:30:003
368757992522,1cyclictest0-21swapper/319:40:003
368757992421,1cyclictest0-21swapper/323:40:013
5697342220,3sleep134-21ksoftirqd/121:35:371
368757992219,1cyclictest0-21swapper/323:50:213
368757992219,1cyclictest0-21swapper/322:00:043
368757992219,1cyclictest0-21swapper/321:40:133
368757992219,1cyclictest0-21swapper/321:20:013
36875799221,16cyclictest548198-21chrt21:25:143
36875799220,18cyclictest775033-21turbostat23:50:013
36875799212,14cyclictest531490-21taskset21:12:543
368757992118,1cyclictest0-21swapper/323:00:053
368757992118,1cyclictest0-21swapper/322:45:273
368757992118,1cyclictest0-21swapper/322:41:393
36875799211,15cyclictest563472-21turbostat21:35:013
368757992017,1cyclictest0-21swapper/323:55:163
368757992017,1cyclictest0-21swapper/323:25:143
368757992017,1cyclictest0-21swapper/321:05:003
368757992017,1cyclictest0-21swapper/320:20:013
368757992017,1cyclictest0-21swapper/300:40:003
368757992017,1cyclictest0-21swapper/300:20:153
368757992017,1cyclictest0-21swapper/300:00:033
36875799201,15cyclictest587253-21taskset21:50:123
368757991917,0cyclictest0-21swapper/320:05:183
368757991916,1cyclictest0-21swapper/319:45:163
368757991916,1cyclictest0-21swapper/319:40:103
36875799191,14cyclictest595054-21taskset21:55:123
36875799191,13cyclictest626356-21taskset22:15:013
368757991816,1cyclictest0-21swapper/323:10:163
368757991816,1cyclictest0-21swapper/322:05:193
368757991815,1cyclictest0-21swapper/323:15:153
368757991812,3cyclictest751411-21turbostat23:35:013
36875799181,14cyclictest684791-21taskset22:50:183
36875799181,14cyclictest640631-21taskset22:21:553
36875799181,13cyclictest546386-21taskset21:20:523
36875799181,13cyclictest523628-21taskset21:05:253
36875799181,13cyclictest505006-21taskset20:52:503
36875799181,13cyclictest435123-21taskset20:00:073
36875799181,13cyclictest393381-21taskset19:25:193
36875799181,13cyclictest382620-21taskset19:15:213
36875799181,13cyclictest374910-21taskset19:13:153
6551872170,2sleep00-21swapper/022:30:220
36875799177,7cyclictest5113452sleep320:56:483
368757991715,1cyclictest0-21swapper/323:00:013
368757991715,1cyclictest0-21swapper/322:35:213
368757991715,1cyclictest0-21swapper/320:20:083
368757991715,1cyclictest0-21swapper/300:10:183
36875799171,13cyclictest836678-21taskset00:27:043
36875799171,13cyclictest820438-21taskset00:15:413
36875799171,13cyclictest798774-21taskset00:05:063
36875799171,13cyclictest765732-21taskset23:41:023
36875799171,13cyclictest734160-21taskset23:20:283
36875799171,13cyclictest485786-21taskset20:36:353
36875799171,13cyclictest401938-21taskset19:30:243
36875799171,12cyclictest618615-21chrt22:10:133
36875799171,12cyclictest498126-21taskset20:45:253
36875799171,12cyclictest467087-21taskset20:25:043
36875799171,12cyclictest383864-21taskset19:20:023
36875799161,12cyclictest844020-21taskset00:30:453
36875799161,12cyclictest650439-21taskset22:30:173
36875799161,12cyclictest585465-21taskset21:45:583
36875799161,12cyclictest564199-21taskset21:35:163
36875799161,12cyclictest447921-21taskset20:10:093
36875799161,12cyclictest428090-21taskset19:50:363
36875799161,11cyclictest473497-21taskset20:30:093
8207282150,3sleep00-21swapper/000:16:280
6241202151,7sleep0618573-21/usr/sbin/munin22:10:260
7047452141,10sleep0704750-21/usr/sbin/munin23:05:110
5946792141,10sleep2594729-21true21:55:012
5058072141,6sleep0505947-21/usr/sbin/munin20:55:160
3686112140,11sleep30-21swapper/319:10:003
8217052131,2sleep10-21swapper/100:19:141
8080192131,9sleep10-21swapper/100:10:201
6865852131,4sleep1686711-21python322:50:241
5932732130,10sleep1593279-21ssh21:51:071
7988202121,8sleep0798975-21df_inode00:05:130
6141982120,3sleep0221rcuc/022:05:200
5307132120,9sleep2530719-21ssh21:10:512
4659542125,5sleep0466027-21processes20:20:240
4493642121,8sleep1450993-21cut20:10:191
8458892111,6sleep2845905-21ssh00:35:142
6754112110,8sleep0677070-21cut22:45:190
6717902110,8sleep2671796-21ssh22:41:192
6644512110,4sleep2664457-21ssh22:37:552
6172982110,8sleep1617306-21ssh22:07:191
4796442110,3sleep1479751-21wc20:35:011
4287392111,2sleep20-21swapper/219:55:132
3961632111,7sleep0222-21plymouthd19:27:120
3870882111,8sleep1383878-21/usr/sbin/munin19:20:211
8382452100,7sleep0838356-21grep00:30:140
7739212100,1sleep20-21swapper/223:46:582
7653722102,4sleep1222-21plymouthd23:40:291
6488522101,7sleep20-21swapper/222:28:052
6346742100,3sleep0635370-21irqrtprio22:20:160
6266112100,7sleep0626696-21cut22:15:160
6187982100,7sleep1618573-21/usr/sbin/munin22:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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