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2026-05-01 - 18:19
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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 Fri May 01, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
413195221040,6sleep20-21swapper/212:00:152
371083199270,23cyclictest3717175-21turbostat07:15:003
3710831992522,1cyclictest0-21swapper/308:40:003
3710831992421,1cyclictest0-21swapper/308:25:003
3710831992421,1cyclictest0-21swapper/308:00:023
3710831992320,1cyclictest0-21swapper/310:00:233
3710831992320,1cyclictest0-21swapper/309:40:003
3710831992319,1cyclictest0-21swapper/308:55:013
38900082220,1sleep10-21swapper/109:23:151
3710831992219,1cyclictest0-21swapper/309:20:243
3710831992119,1cyclictest0-21swapper/312:00:023
3710831992119,1cyclictest0-21swapper/310:20:003
3710831992118,1cyclictest0-21swapper/311:00:023
3710831992118,1cyclictest0-21swapper/309:45:143
371083199211,15cyclictest4092659-21chrt11:35:103
3710831992110,7cyclictest40843002sleep311:29:143
3710831992110,7cyclictest38028802sleep308:18:393
40398462200,10sleep24041475-21cut11:00:192
3710831992017,1cyclictest0-21swapper/308:00:183
371083199201,15cyclictest4169996-21taskset12:25:073
371083199201,15cyclictest4085909-21taskset11:30:143
371083199201,14cyclictest4192891-21turbostat12:40:003
371083199201,14cyclictest4145242-21taskset12:06:233
371083199201,14cyclictest4107374-21taskset11:43:403
371083199201,13cyclictest3854368-21taskset08:59:553
371083199200,16cyclictest4161962-21sleep12:24:553
371083199199,6cyclictest3854413-21sleep09:04:563
3710831991917,0cyclictest0-21swapper/309:50:183
371083199191,14cyclictest4152157-21taskset12:10:223
371083199191,13cyclictest4053014-21chrt11:08:163
371083199191,13cyclictest3960896-21chrt10:10:113
371083199191,13cyclictest3882851-21taskset09:19:563
371083199191,13cyclictest3790395-21taskset08:10:003
371083199189,6cyclictest37453452sleep307:35:113
3710831991816,1cyclictest0-21swapper/309:40:033
3710831991815,1cyclictest0-21swapper/312:30:103
3710831991815,1cyclictest0-21swapper/309:05:223
3710831991815,1cyclictest0-21swapper/308:25:223
371083199181,13cyclictest4129571-21taskset11:55:433
371083199181,13cyclictest4108113-21taskset11:45:093
371083199181,13cyclictest4075887-21taskset11:22:093
371083199181,13cyclictest4028777-21taskset10:50:363
371083199181,13cyclictest4015792-21taskset10:45:153
371083199181,13cyclictest3998898-21taskset10:33:503
371083199181,13cyclictest3998898-21taskset10:33:493
371083199181,13cyclictest3944745-21taskset09:59:183
129998180,5rtkit-daemon4076441-21ssh11:23:490
38085262172,5sleep23808568-21ntpq08:20:232
371083199176,8cyclictest4061639-21taskset11:15:023
371083199172,12cyclictest4059989-21taskset11:10:533
3710831991714,1cyclictest0-21swapper/310:40:193
3710831991714,1cyclictest0-21swapper/308:40:023
371083199171,13cyclictest4161468-21taskset12:18:373
371083199171,13cyclictest4035841-21taskset10:55:213
371083199171,13cyclictest3990847-21taskset10:27:593
371083199171,13cyclictest3983024-21taskset10:22:423
371083199171,13cyclictest3731906-21taskset07:21:223
371083199171,12cyclictest4005409-21taskset10:35:263
371083199171,12cyclictest3904688-21taskset09:30:343
371083199171,12cyclictest3896992-21taskset09:25:573
371083199171,12cyclictest3835399-21chrt08:45:123
371083199171,12cyclictest3789792-21taskset08:05:313
371083199171,12cyclictest3762127-21taskset07:45:203
371083199171,12cyclictest3756902-21taskset07:40:183
371083199171,11cyclictest3764641-21taskset07:50:083
371083199170,13cyclictest3874065-21taskset09:11:583
371083199169,4cyclictest37255092sleep307:17:103
371083199166,8cyclictest3815875-21sleep08:34:553
3710831991613,1cyclictest0-21swapper/310:05:513
3710831991613,1cyclictest0-21swapper/307:25:263
371083199161,12cyclictest4122058-21taskset11:51:183
371083199160,12cyclictest3744831-21taskset07:31:563
41598612150,2sleep00-21swapper/012:15:210
40825602151,11sleep14082651-21plymouth11:25:231
37503762150,12sleep03750516-21ntpq07:35:190
41444462140,9sleep14144501-21ssh12:05:241
40616932142,8sleep04061730-21apt-get11:15:120
37596582141,2sleep1222-21plymouthd07:45:181
37104712140,2sleep30-21swapper/307:07:403
129998140,9rtkit-daemon3920481-21ssh09:41:141
129998140,8rtkit-daemon3721230-21grep07:15:191
39525542130,10sleep03952560-21ssh10:04:210
39276682131,8sleep0222-21plymouthd09:45:280
129998130,9rtkit-daemon4169315-21ssh12:23:460
129998130,9rtkit-daemon4028201-21ntpq10:50:202
41188192120,9sleep24120553-21grep11:50:182
40617352121,3sleep14061730-21apt-get11:15:131
40239922120,9sleep04025022-21kthreadcore10:50:150
39925742124,5sleep13993341-21kthreadcore10:30:151
39925742124,5sleep13993341-21kthreadcore10:30:151
38608092120,4sleep23860999-21sed09:05:012
37712192121,8sleep13771248-21sort07:55:121
129998120,8rtkit-daemon4022416-21ssh10:49:382
129998120,2rtkit-daemon222-21plymouthd12:02:050
41390432110,8sleep24139047-21ssh12:05:062
40370932110,8sleep14037094-21sh10:57:211
38932702110,8sleep23895005-21grep09:25:182
38740782110,8sleep13874084-21ssh09:12:011
129998110,7rtkit-daemon4137369-21ssh12:00:521
129998110,6rtkit-daemon2195379-21ntpd11:29:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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