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2026-06-27 - 19:42
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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 27, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3061071993229,1cyclictest0-21swapper/309:10:253
3061071992825,1cyclictest0-21swapper/311:50:013
3061071992825,1cyclictest0-21swapper/307:35:013
3061071992522,1cyclictest0-21swapper/307:45:003
3061071992421,1cyclictest0-21swapper/310:20:143
3061071992421,1cyclictest0-21swapper/310:05:003
306107199241,19cyclictest3437107-21sleep11:30:013
306107199241,19cyclictest3390009-21turbostat10:59:593
3061071992320,1cyclictest0-21swapper/311:10:213
3061071992320,1cyclictest0-21swapper/310:40:023
3061071992320,1cyclictest0-21swapper/309:25:233
3061071992219,1cyclictest0-21swapper/311:40:073
3061071992219,1cyclictest0-21swapper/307:50:013
3061071992219,1cyclictest0-21swapper/307:50:003
306107199221,16cyclictest3159342-21taskset08:24:463
34925702210,1sleep13492572-21fschecks_time12:05:151
3061071992017,1cyclictest0-21swapper/309:49:443
3061071992017,1cyclictest0-21swapper/309:25:013
3061071992016,1cyclictest0-21swapper/309:40:123
306107199201,15cyclictest3374183-21taskset10:49:523
306107199201,14cyclictest3499810-21turbostat12:10:013
306107199201,14cyclictest3449020-21taskset11:35:193
306107199201,14cyclictest3191812-21taskset08:50:123
306107199201,14cyclictest3146875-21chrt08:15:133
306107199201,13cyclictest3295668-21taskset10:00:013
34274542190,1sleep00-21swapper/011:20:280
306107199192,13cyclictest3255075-21taskset09:31:223
306107199192,13cyclictest3255075-21taskset09:31:213
3061071991916,1cyclictest0-21swapper/312:20:073
3061071991916,1cyclictest0-21swapper/311:30:193
3061071991916,1cyclictest0-21swapper/308:40:163
306107199191,14cyclictest3395646-21taskset11:00:233
306107199191,14cyclictest3350085-21taskset10:33:173
306107199191,13cyclictest3539097-21sleep12:39:543
306107199191,13cyclictest3531159-21taskset12:29:563
306107199191,13cyclictest3172480-21taskset08:35:013
306107199189,6cyclictest31271372sleep307:57:413
3061071991816,1cyclictest0-21swapper/309:15:183
3061071991815,1cyclictest0-21swapper/311:20:013
3061071991815,1cyclictest0-21swapper/310:05:143
3061071991815,1cyclictest0-21swapper/309:35:203
3061071991815,1cyclictest0-21swapper/308:00:183
3061071991815,1cyclictest0-21swapper/307:50:153
306107199181,14cyclictest3287298-21taskset09:53:433
306107199181,13cyclictest3514791-21taskset12:18:013
306107199181,13cyclictest3474947-21taskset11:51:143
306107199181,13cyclictest3423269-21taskset11:20:193
306107199181,13cyclictest3404835-21taskset11:07:363
306107199181,13cyclictest3325983-21taskset10:16:563
306107199181,13cyclictest3204075-21taskset08:56:383
34504182171,12sleep13450464-21ssh11:35:221
31996552171,12sleep23201373-21cut08:55:172
3061071991714,1cyclictest0-21swapper/312:00:153
306107199171,13cyclictest3538611-21taskset12:33:413
306107199171,13cyclictest3480458-21taskset11:55:203
306107199171,13cyclictest3317546-21taskset10:10:283
306107199171,13cyclictest3159830-21taskset08:25:153
306107199171,13cyclictest3146514-21taskset08:14:203
306107199171,13cyclictest3082165-21taskset07:21:533
306107199171,13cyclictest3066298-21taskset07:10:233
306107199171,12cyclictest3356229-21taskset10:35:203
306107199171,12cyclictest3216905-21taskset09:06:173
306107199171,12cyclictest3134033-21taskset08:05:073
306107199171,12cyclictest3095507-21taskset07:35:083
306107199171,12cyclictest3095507-21taskset07:35:073
306107199171,12cyclictest3069824-21taskset07:15:073
306107199166,7cyclictest30842092sleep307:25:183
3061071991613,1cyclictest0-21swapper/310:50:173
306107199161,13cyclictest3178592-21taskset08:39:113
306107199161,12cyclictest3505463-21taskset12:10:223
306107199161,12cyclictest3340834-21taskset10:25:263
306107199161,12cyclictest3210564-21taskset09:02:073
306107199161,12cyclictest3191333-21taskset08:47:163
35457542140,5sleep20-21swapper/212:36:452
32240742141,9sleep13224080-21ssh09:12:211
31968292141,10sleep03196966-21/usr/sbin/munin08:50:230
34927512130,3sleep23493506-21cut12:05:182
32777522131,3sleep2222-21plymouthd09:45:262
35368432120,4sleep2222-21plymouthd12:30:242
35000722120,9sleep13500077-21sh12:10:061
34687322121,8sleep13468736-21ssh11:50:091
33903362121,3sleep0222-21plymouthd11:00:120
33648522120,9sleep23364858-21ssh10:40:432
32863162120,9sleep23286321-21sh09:50:592
30879922120,8sleep13088032-21sshd-session07:25:241
30609162120,3sleep30-21swapper/307:09:543
35369372110,3sleep03536982-21ntp_states12:30:260
34582992110,8sleep13458342-21ntpq11:40:231
33958392110,8sleep23395949-21grep11:00:272
33027782110,8sleep23302784-21ssh10:03:022
32874132110,8sleep13287417-21ssh09:54:031
32556842116,3sleep13255688-21ssh09:33:061
32556842116,3sleep13255688-21ssh09:33:051
32372962110,3sleep03238330-21ssh09:20:220
31905842110,3sleep13190628-21ntpq08:45:221
31069112116,3sleep244-21ksoftirqd/207:40:212
30902422111,7sleep13091226-21tr07:30:181
35408252101,7sleep03541786-21cat12:35:180
34678652100,1sleep00-21swapper/011:48:230
34583462100,7sleep23458392-21ntpq11:40:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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