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2026-09-23 - 19:13
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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 Sep 23, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
329399423630,1sleep00-21swapper/008:00:160
333405921300,2sleep2421rcuc/208:30:212
33608792370,11sleep134-21ksoftirqd/108:55:011
3224389992926,1cyclictest0-21swapper/311:39:593
3224389992724,1cyclictest0-21swapper/310:00:163
3224389992421,1cyclictest0-21swapper/309:41:043
3224389992320,1cyclictest0-21swapper/307:40:443
3224389992219,1cyclictest0-21swapper/311:20:193
3224389992219,1cyclictest0-21swapper/307:25:173
36606612210,2sleep2421rcuc/212:10:002
3224389992118,1cyclictest0-21swapper/312:10:173
3224389992118,1cyclictest0-21swapper/311:00:013
3224389992018,1cyclictest0-21swapper/310:25:143
3224389992018,0cyclictest0-21swapper/309:21:313
3224389992017,1cyclictest0-21swapper/310:40:233
3224389992017,1cyclictest0-21swapper/308:40:213
322438999201,14cyclictest3660609-21turbostat12:10:013
322438999201,14cyclictest3481305-21taskset10:15:003
322438999201,14cyclictest3395657-21taskset09:20:003
322438999199,7cyclictest3305546-21chrt08:10:193
322438999192,13cyclictest3253305-21taskset07:30:183
3224389991916,1cyclictest0-21swapper/311:40:203
3224389991916,1cyclictest0-21swapper/311:10:243
3224389991916,1cyclictest0-21swapper/310:30:223
3224389991916,1cyclictest0-21swapper/310:20:033
3224389991916,1cyclictest0-21swapper/309:25:243
3224389991916,1cyclictest0-21swapper/308:20:173
3224389991916,1cyclictest0-21swapper/308:00:163
322438999191,14cyclictest3706707-21taskset12:38:153
322438999191,14cyclictest3645288-21taskset12:00:113
322438999191,14cyclictest3582042-21taskset11:18:303
322438999191,14cyclictest3551729-21taskset11:00:113
322438999191,14cyclictest3424088-21taskset09:35:193
322438999191,14cyclictest3316023-21turbostat08:20:003
322438999191,13cyclictest3684242-21taskset12:25:013
322438999191,13cyclictest3598696-21taskset11:30:163
322438999191,13cyclictest3567011-21taskset11:09:563
322438999191,13cyclictest3264796-21taskset07:39:553
3224389991815,1cyclictest0-21swapper/309:00:183
3224389991815,1cyclictest0-21swapper/307:15:243
322438999181,13cyclictest3674691-21taskset12:15:543
322438999181,13cyclictest3645026-21sleep12:00:013
322438999181,13cyclictest3635721-21taskset11:50:413
322438999181,13cyclictest3541425-21taskset10:50:243
322438999181,13cyclictest3481602-21chrt10:15:133
322438999181,13cyclictest3440949-21taskset09:46:263
322438999181,13cyclictest3417386-21taskset09:30:473
322438999181,13cyclictest3361707-21taskset08:55:203
322438999181,13cyclictest3224756-21taskset07:10:143
322438999181,12cyclictest3297082-21taskset08:05:003
322438999172,12cyclictest3698197-21taskset12:31:153
322438999172,12cyclictest3519185-21taskset10:37:143
3224389991715,1cyclictest0-21swapper/310:05:173
3224389991714,1cyclictest0-21swapper/312:25:263
3224389991714,1cyclictest0-21swapper/307:20:183
322438999171,13cyclictest3628087-21taskset11:46:053
322438999171,13cyclictest3591837-21taskset11:25:153
322438999171,13cyclictest3534347-21taskset10:45:473
322438999171,13cyclictest3386276-21taskset09:11:103
322438999171,12cyclictest3442488-21taskset09:50:033
322438999171,12cyclictest3373794-21chrt09:05:143
322438999162,11cyclictest3354081-21taskset08:47:103
322438999161,12cyclictest3359739-21taskset08:50:223
322438999161,12cyclictest3341181-21taskset08:35:443
322438999161,12cyclictest3334955-21taskset08:32:263
322438999161,12cyclictest3290100-21taskset07:56:283
322438999161,12cyclictest3290100-21taskset07:56:273
322438999161,12cyclictest3283594-21taskset07:50:253
322438999161,12cyclictest3277297-21taskset07:45:573
322438999161,11cyclictest3328479-21taskset08:25:493
33675232150,11sleep13367568-21grep09:00:161
322438999151,12cyclictest3456571-21taskset09:56:363
36375852142,8sleep03637579-21apt-get11:55:120
35123992141,4sleep23512461-21ssh10:35:002
33432022131,5sleep03343960-21kthreadcore08:40:180
32184862131,3sleep10-21swapper/107:05:151
35969542120,9sleep13596958-21ssh11:26:321
35504432120,9sleep03550449-21ssh10:57:270
32985002120,9sleep13299375-21cut08:05:201
32895502120,9sleep03289635-21systemctl07:55:240
32895502120,9sleep03289635-21systemctl07:55:240
32397502120,9sleep13239780-21grep07:20:141
36220152112,5sleep134-21ksoftirqd/111:45:121
35688172110,8sleep03569926-21grep11:10:220
35395332111,7sleep03541196-21latency10:50:230
34876982110,8sleep23487704-21ssh10:16:172
34642832110,9sleep23464287-21ssh10:01:012
33945832111,3sleep23224384-21cyclictest09:17:352
33932152111,7sleep13393256-21ntpq09:15:221
33439612111,7sleep13345501-21kthreadcore08:40:191
33021052111,7sleep00-21swapper/008:05:240
32782912111,7sleep03278977-21irqrtprio07:50:150
32677842110,2sleep1321rcuc/107:40:171
35648742100,2sleep13564919-21ssh11:05:221
34956182100,1sleep20-21swapper/210:21:292
34499212100,1sleep00-21swapper/009:54:410
34420632100,4sleep03379858-21diskmemload09:49:370
34243862101,2sleep10-21swapper/109:35:221
33543042100,7sleep13354542-21latency_hist08:50:021
3705365294,3sleep0151ktimers/012:35:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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