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2025-11-22 - 22:51
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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 Nov 22, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3722155992521,1cyclictest0-21swapper/312:00:013
41266252240,3sleep2431ktimers/211:45:012
38515262240,1sleep20-21swapper/208:50:162
372215599237,5cyclictest3780911-21taskset07:54:543
3722155992217,3cyclictest3988845-21sleep10:20:003
3722155992118,1cyclictest0-21swapper/309:25:013
372215599208,7cyclictest39400692sleep309:49:493
3722155992017,1cyclictest0-21swapper/312:00:183
372215599201,15cyclictest3884462-21taskset09:15:173
372215599199,7cyclictest40127972sleep310:34:383
3722155991916,1cyclictest0-21swapper/309:30:233
372215599191,14cyclictest4083797-21chrt11:15:243
3722155991816,1cyclictest0-21swapper/311:10:013
3722155991815,1cyclictest0-21swapper/312:10:173
3722155991815,1cyclictest0-21swapper/311:40:003
3722155991815,1cyclictest0-21swapper/311:00:173
3722155991815,1cyclictest0-21swapper/310:25:203
3722155991815,1cyclictest0-21swapper/308:04:593
372215599181,13cyclictest4119663-21chrt11:40:173
372215599181,13cyclictest4021075-21turbostat10:40:003
372215599181,13cyclictest3844387-21turbostat08:45:003
372215599181,13cyclictest3844387-21turbostat08:44:593
372215599181,13cyclictest3825601-21taskset08:30:143
372215599181,13cyclictest3736735-21turbostat07:20:013
372215599180,13cyclictest3916177-21taskset09:35:023
372215599180,13cyclictest3812276-21taskset08:19:563
372215599180,13cyclictest3793736-21taskset08:05:013
372215599177,7cyclictest40699672sleep311:09:523
3722155991714,1cyclictest0-21swapper/311:50:003
3722155991714,1cyclictest0-21swapper/311:20:193
3722155991714,1cyclictest0-21swapper/310:55:143
3722155991714,1cyclictest0-21swapper/310:00:183
3722155991714,1cyclictest0-21swapper/307:40:203
372215599171,13cyclictest4036872-21taskset10:49:153
372215599171,13cyclictest3878957-21taskset09:10:173
372215599171,13cyclictest3805792-21chrt08:12:303
372215599171,12cyclictest4141234-21chrt11:51:033
372215599171,12cyclictest4094382-21sleep11:29:553
372215599171,12cyclictest3992850-21taskset10:20:183
372215599171,12cyclictest3768472-21sleep07:49:553
372215599170,13cyclictest3972491-21taskset10:10:003
372215599170,13cyclictest17029-21chrt12:35:193
372215599167,6cyclictest3743066-21taskset07:22:373
3722155991613,1cyclictest0-21swapper/310:52:233
3722155991613,1cyclictest0-21swapper/310:52:223
3722155991613,1cyclictest0-21swapper/309:40:173
372215599161,12cyclictest7206-21taskset12:30:173
372215599161,12cyclictest4102665-21taskset11:30:073
372215599161,12cyclictest4027823-21chrt10:41:543
372215599161,12cyclictest3947949-21taskset09:54:173
372215599161,12cyclictest3905158-21taskset09:25:193
372215599161,12cyclictest3856765-21taskset08:53:383
372215599161,12cyclictest3850606-21chrt08:49:573
372215599161,12cyclictest3787083-21taskset07:58:443
372215599161,12cyclictest3762160-21turbostat07:40:003
372215599161,12cyclictest3755625-21chrt07:32:593
372215599161,12cyclictest3728114-21taskset07:11:513
372215599161,11cyclictest4191810-21taskset12:25:013
372215599161,11cyclictest3948491-21taskset09:55:053
372215599160,12cyclictest3972967-21taskset10:10:033
37684412151,10sleep13768642-21cut07:45:001
3722155991512,1cyclictest0-21swapper/312:20:133
3722155991512,1cyclictest0-21swapper/308:35:153
372215599151,11cyclictest4176120-21chrt12:15:153
372215599151,11cyclictest4159597-21taskset12:05:063
372215599151,11cyclictest3869693-21taskset09:05:123
372215599151,11cyclictest3857119-21taskset08:55:023
372215599151,11cyclictest3825018-21taskset08:26:173
372215599151,11cyclictest3818460-21taskset08:20:363
372215599151,11cyclictest3749328-21taskset07:27:343
372215599150,12cyclictest3865053-21taskset09:00:193
147598150,8rtkit-daemon3891450-21ssh09:19:181
40961142140,3sleep24097348-21kthreadcore11:25:182
38253072140,10sleep13825441-21ls08:30:001
147598130,10rtkit-daemon729-21lldpd07:59:151
39522932121,8sleep23953600-21ssh09:55:212
38831902121,8sleep13883197-21sh09:13:491
37815732121,9sleep00-21swapper/007:55:170
37411232120,9sleep03742225-21/usr/sbin/munin07:20:220
147598120,8rtkit-daemon3994925-21ssh10:20:300
147598120,8rtkit-daemon3914751-21ssh09:32:172
41082252110,4sleep04108475-21users11:30:250
40779202110,1sleep20-21swapper/211:14:322
40696932110,9sleep04069695-21ssh11:09:160
40606782110,8sleep04060686-21ssh11:02:440
38850292111,7sleep03886047-21cat09:15:200
38406662110,8sleep23842744-21cut08:40:192
38406662110,8sleep23842744-21cut08:40:192
38126452110,3sleep13812313-21apt-get08:20:071
218842110,8sleep221946-21idleruntime-cro12:40:002
147598110,7rtkit-daemon4101768-21ssh11:28:360
147598110,7rtkit-daemon4093982-21sh11:24:072
147598110,7rtkit-daemon3949244-21cut09:55:181
147598110,6rtkit-daemon331ktimers/112:05:191
147598110,4rtkit-daemon4117455-21ssh11:37:340
41651332100,7sleep24165392-21sed12:05:262
40316062100,7sleep04033601-21tr10:45:210
39812792100,7sleep23981487-21sort10:15:172
39612107,1sleep03988290-21kworker/0:0+kacpid12:25:430
39143022100,1sleep10-21swapper/109:31:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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