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2025-12-03 - 06:36
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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 Dec 03, 2025 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37242542570,2sleep2421rcuc/222:05:172
38513942410,2sleep1321rcuc/123:25:151
3479179992825,1cyclictest0-21swapper/322:05:003
3479179992320,1cyclictest0-21swapper/323:05:153
3479179992218,1cyclictest0-21swapper/322:45:023
3479179992118,1cyclictest0-21swapper/319:45:153
3479179992017,1cyclictest0-21swapper/319:10:183
347917999201,14cyclictest3500270-21turbostat19:25:003
347917999199,7cyclictest39069962sleep300:00:123
3479179991916,1cyclictest0-21swapper/321:40:213
3479179991916,1cyclictest0-21swapper/320:15:003
3479179991915,1cyclictest0-21swapper/322:50:013
347917999191,13cyclictest3556594-21taskset20:09:563
347917999191,13cyclictest3556594-21taskset20:09:563
347917999188,7cyclictest3777469-21sleep22:40:003
3479179991815,1cyclictest0-21swapper/321:27:213
347917999181,13cyclictest3963263-21turbostat00:35:003
347917999181,13cyclictest3938991-21turbostat00:20:003
347917999180,14cyclictest3712543-21turbostat22:00:013
347917999177,7cyclictest35888822sleep320:35:183
3479179991714,1cyclictest0-21swapper/322:50:173
3479179991714,1cyclictest0-21swapper/322:20:193
3479179991714,1cyclictest0-21swapper/321:30:193
3479179991714,1cyclictest0-21swapper/300:35:173
347917999171,13cyclictest3831857-21chrt23:10:423
347917999171,13cyclictest3513849-21taskset19:35:183
347917999171,12cyclictest3891298-21taskset23:50:173
347917999171,12cyclictest3843852-21taskset23:20:163
347917999171,12cyclictest3809509-21taskset22:59:563
347917999171,12cyclictest3726594-21taskset22:05:223
347917999171,12cyclictest3649090-21taskset21:20:173
347917999171,12cyclictest3624886-21taskset21:00:223
347917999171,12cyclictest3619255-21chrt20:56:533
347917999171,12cyclictest3500906-21taskset19:25:173
347917999170,14cyclictest3863749-21chrt23:30:223
38901392160,8sleep23890147-21ssh23:49:052
347917999167,6cyclictest37683032sleep322:32:243
347917999161,9cyclictest3688367-21sleep21:49:553
3479179991613,1cyclictest0-21swapper/323:45:173
3479179991613,1cyclictest0-21swapper/323:00:183
3479179991613,1cyclictest0-21swapper/322:10:163
3479179991613,1cyclictest0-21swapper/322:10:163
3479179991613,1cyclictest0-21swapper/300:25:183
3479179991613,1cyclictest0-21swapper/300:20:233
3479179991613,1cyclictest0-21swapper/300:10:163
347917999161,12cyclictest3872426-21taskset23:35:263
347917999161,12cyclictest3856444-21taskset23:25:543
347917999161,12cyclictest3840551-21taskset23:17:033
347917999161,12cyclictest3745297-21sleep22:20:003
347917999161,12cyclictest3745297-21sleep22:20:003
347917999161,12cyclictest3702025-21chrt21:50:233
347917999161,12cyclictest3679804-21taskset21:38:533
347917999161,12cyclictest3640380-21taskset21:15:083
347917999161,12cyclictest3638348-21taskset21:10:513
347917999161,12cyclictest3600386-21chrt20:40:543
347917999161,12cyclictest3537594-21chrt19:51:573
347917999161,12cyclictest3512622-21chrt19:33:173
347917999161,11cyclictest3915541-21taskset00:05:163
347917999161,11cyclictest3519276-21chrt19:40:113
347917999160,13cyclictest3630333-21chrt21:05:183
347917999160,12cyclictest3581952-21turbostat20:30:003
3479179991512,1cyclictest0-21swapper/320:16:563
3479179991512,1cyclictest0-21swapper/319:57:243
347917999151,12cyclictest3550004-21taskset20:00:263
347917999151,11cyclictest3882518-21turbostat23:45:003
347917999151,11cyclictest3613066-21taskset20:52:523
347917999151,11cyclictest3606663-21taskset20:46:033
347917999151,11cyclictest3582221-21taskset20:30:123
347917999151,11cyclictest3490127-21taskset19:15:183
347917999150,12cyclictest3906678-21turbostat00:00:003
347917999150,12cyclictest3759392-21taskset22:25:253
36178082141,5sleep03618523-21sed20:55:180
35619682140,4sleep03562024-21ntp_states20:10:220
3479179991411,1cyclictest0-21swapper/320:20:173
147598140,10rtkit-daemon729-21lldpd00:11:101
37532822131,4sleep11-21systemd22:25:011
147598130,8rtkit-daemon3884382-21cat23:45:161
147598130,8rtkit-daemon3804806-21cut22:55:182
147598130,8rtkit-daemon3680059-21ssh21:39:302
38813962120,9sleep13881404-21ssh23:42:271
38799762120,8sleep03880060-21ssh23:40:220
37108072120,9sleep03710815-21ssh21:55:580
147598120,8rtkit-daemon3719084-21ssh22:00:511
147598120,8rtkit-daemon3662153-21ssh21:25:252
38587242111,7sleep03858781-21fschecks_count23:30:150
38355682110,8sleep03837475-21cut23:15:170
147598110,7rtkit-daemon3733305-21cut22:10:181
147598110,7rtkit-daemon3733305-21cut22:10:181
147598110,7rtkit-daemon295-21systemd-journal00:24:420
147598110,6rtkit-daemon3575012-21unixbench_singl20:20:252
147598110,4rtkit-daemon729-21lldpd21:17:492
147598110,2rtkit-daemon214-21plymouthd19:19:172
39677332100,7sleep03968580-21cat00:35:200
39635142101,5sleep1214-21plymouthd00:35:131
39135792100,7sleep03913587-21ssh00:02:140
38251922100,4sleep00-21swapper/023:09:040
36338362100,7sleep13635702-21cut21:10:181
36264492101,6sleep03627189-21cut21:05:160
35192792102,4sleep13519312-21apt-get19:40:141
147598100,6rtkit-daemon22110-21packagekitd00:34:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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