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2026-05-06 - 21:25
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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 Wed May 06, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
363368021540,1sleep10-21swapper/110:20:251
3359648992621,3cyclictest3714883-21sleep11:15:003
3359648992319,1cyclictest0-21swapper/308:05:113
335964899212,15cyclictest3793186-21taskset12:02:353
3359648992119,1cyclictest0-21swapper/310:45:013
3359648992118,1cyclictest0-21swapper/311:25:133
3359648992118,1cyclictest0-21swapper/311:00:183
3359648992118,1cyclictest0-21swapper/311:00:013
3359648992118,1cyclictest0-21swapper/310:00:163
3359648992017,1cyclictest0-21swapper/309:40:213
3359648992017,1cyclictest0-21swapper/308:45:003
3359648991916,1cyclictest0-21swapper/311:45:143
3359648991916,1cyclictest0-21swapper/310:35:013
3359648991916,1cyclictest0-21swapper/310:00:003
3359648991916,1cyclictest0-21swapper/307:40:013
335964899191,14cyclictest3827647-21taskset12:25:173
335964899191,14cyclictest3794443-21chrt12:05:113
335964899191,14cyclictest3669332-21taskset10:45:173
335964899191,14cyclictest3578906-21taskset09:46:493
335964899191,13cyclictest3381044-21taskset07:24:573
3359648991910,6cyclictest35319752sleep309:18:463
335964899189,6cyclictest34969432sleep308:50:373
335964899188,7cyclictest34455832sleep308:14:483
3359648991815,1cyclictest0-21swapper/308:45:163
335964899181,14cyclictest3406573-21taskset07:41:203
335964899181,13cyclictest3840488-21taskset12:32:223
335964899181,13cyclictest3804518-21taskset12:10:173
335964899181,13cyclictest3784914-21taskset11:56:333
335964899181,13cyclictest3752346-21taskset11:35:263
335964899181,13cyclictest3659319-21taskset10:39:563
335964899181,13cyclictest3643193-21taskset10:29:053
335964899181,13cyclictest3628015-21chrt10:20:123
335964899181,13cyclictest3627604-21taskset10:19:553
335964899181,13cyclictest3524574-21taskset09:15:003
335964899181,13cyclictest3514190-21taskset09:05:183
335964899181,13cyclictest3425983-21taskset07:57:553
335964899181,13cyclictest3374512-21taskset07:18:593
335964899181,12cyclictest3580321-21taskset09:50:003
335964899176,8cyclictest3406911-21sleep07:49:553
335964899172,12cyclictest3723082-21taskset11:20:093
3359648991715,1cyclictest0-21swapper/308:30:263
3359648991714,1cyclictest0-21swapper/309:35:133
3359648991714,1cyclictest0-21swapper/309:31:153
335964899171,13cyclictest3848369-21taskset12:37:243
335964899171,13cyclictest3817992-21taskset12:20:033
335964899171,13cyclictest3816203-21taskset12:15:543
335964899171,13cyclictest3619335-21taskset10:13:583
335964899171,12cyclictest3744831-21taskset11:30:273
335964899171,12cyclictest3715210-21chrt11:15:123
335964899171,12cyclictest3547037-21taskset09:26:313
335964899171,12cyclictest3497555-21taskset08:55:083
335964899171,12cyclictest3477026-21taskset08:35:243
335964899171,12cyclictest3461793-21taskset08:25:173
335964899171,12cyclictest3461793-21taskset08:25:173
335964899171,12cyclictest3451707-21taskset08:15:403
335964899171,12cyclictest3451707-21taskset08:15:393
335964899171,12cyclictest3426473-21chrt08:00:123
335964899171,12cyclictest3365679-21taskset07:10:383
3359648991613,1cyclictest0-21swapper/307:50:163
335964899161,12cyclictest3770554-21taskset11:50:043
335964899161,12cyclictest3770554-21taskset11:50:043
335964899161,12cyclictest3699295-21taskset11:05:023
335964899161,12cyclictest3611701-21taskset10:09:533
335964899161,12cyclictest3538927-21taskset09:20:583
335964899161,12cyclictest3509995-21taskset09:03:183
335964899161,12cyclictest3452332-21taskset08:20:043
335964899161,12cyclictest3393527-21taskset07:30:293
335964899161,12cyclictest3387107-21taskset07:25:443
335964899161,11cyclictest3754739-21taskset11:40:023
335964899161,11cyclictest3675474-21taskset10:50:023
35546042140,3sleep03554610-21ssh09:30:300
35321182141,10sleep13532124-21ssh09:19:091
6881130,3low-memory-moni88-21kswapd007:43:101
37935902130,10sleep13793598-21ssh12:03:381
37296692130,2sleep20-21swapper/211:22:182
37205662131,4sleep13720602-21ntpq11:15:241
129998130,9rtkit-daemon3714408-21ssh11:13:480
129998130,8rtkit-daemon3818079-21apt-get12:20:112
36904162120,4sleep23690424-21ssh10:58:122
36611642121,2sleep10-21swapper/110:40:191
34520502121,8sleep23452124-21munin-run08:20:002
34520502121,8sleep23452124-21munin-run08:20:002
34261452126,3sleep23426148-21cron08:00:012
38168572110,1sleep20-21swapper/212:17:432
38036132111,7sleep23804516-21kthreadcore12:10:172
37918472111,7sleep23791891-21/usr/sbin/munin12:00:222
36980982111,7sleep13698104-21ssh11:02:281
36443392111,7sleep13643827-21/usr/sbin/munin10:30:171
36421722110,3sleep13642178-21ssh10:26:161
36359242110,8sleep03636076-21ssh10:25:110
36135002110,8sleep23614641-21cut10:10:182
34075452110,8sleep13407922-21cut07:45:171
33886852110,8sleep23389687-21cut07:30:172
129998110,7rtkit-daemon1000-21snmpd07:33:201
129998110,6rtkit-daemon2195379-21ntpd07:35:111
38338752100,7sleep13833834-21/usr/sbin/munin12:30:121
37944352103,4sleep23794436-21apt-get12:05:112
37919422101,6sleep03791997-21wc12:00:240
37152032101,4sleep23715209-21ssh11:15:132
37061142103,4sleep014-21ksoftirqd/011:07:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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