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2025-12-06 - 08:45
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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 Dec 06, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
962055992825,1cyclictest0-21swapper/320:00:003
962055992825,1cyclictest0-21swapper/319:40:003
962055992623,1cyclictest0-21swapper/300:30:013
962055992421,1cyclictest0-21swapper/321:25:013
962055992421,1cyclictest0-21swapper/321:25:003
962055992321,1cyclictest0-21swapper/319:45:023
962055992017,1cyclictest0-21swapper/321:55:003
962055992017,1cyclictest0-21swapper/321:00:003
962055992017,1cyclictest0-21swapper/300:35:243
962055991915,1cyclictest0-21swapper/319:25:003
96205599191,14cyclictest1401324-21taskset00:10:123
96205599191,14cyclictest1200915-21taskset22:05:133
96205599191,13cyclictest1385104-21taskset00:00:153
962055991815,1cyclictest0-21swapper/322:34:593
962055991815,1cyclictest0-21swapper/321:10:223
962055991815,1cyclictest0-21swapper/321:10:223
96205599181,13cyclictest976381-21turbostat19:20:003
96205599181,13cyclictest1425222-21turbostat00:25:003
96205599181,13cyclictest1336872-21taskset23:30:133
96205599181,13cyclictest1264069-21taskset22:43:513
96205599180,13cyclictest1296534-21taskset23:04:563
96205599177,6cyclictest14396782sleep300:31:333
962055991715,1cyclictest0-21swapper/321:35:233
962055991714,1cyclictest0-21swapper/321:10:003
962055991713,1cyclictest0-21swapper/323:55:013
96205599171,13cyclictest1200558-21turbostat22:05:003
96205599171,13cyclictest1063491-21taskset20:30:153
96205599171,12cyclictest1400760-21sleep00:10:003
96205599171,12cyclictest1296934-21taskset23:05:113
96205599171,12cyclictest1057057-21turbostat20:24:593
962055991613,1cyclictest0-21swapper/323:45:203
962055991613,1cyclictest0-21swapper/322:35:163
962055991613,1cyclictest0-21swapper/300:15:133
96205599161,12cyclictest994820-21taskset19:34:053
96205599161,12cyclictest1382602-21taskset23:55:253
96205599161,12cyclictest1352282-21taskset23:39:223
96205599161,12cyclictest1328346-21taskset23:24:353
96205599161,12cyclictest1320597-21sleep23:20:003
96205599161,12cyclictest1310587-21taskset23:10:253
96205599161,12cyclictest1287413-21taskset22:57:183
96205599161,12cyclictest1280142-21chrt22:54:103
96205599161,12cyclictest1234689-21taskset22:25:203
96205599161,12cyclictest1230895-21chrt22:20:473
96205599161,12cyclictest1216127-21taskset22:14:143
96205599161,12cyclictest1191826-21taskset21:58:283
96205599161,12cyclictest1145384-21taskset21:30:153
96205599161,12cyclictest1143088-21chrt21:25:573
96205599161,12cyclictest1127610-21chrt21:17:043
96205599161,12cyclictest1106443-21taskset21:04:013
96205599161,12cyclictest1075328-21chrt20:37:133
96205599161,12cyclictest1057327-21taskset20:25:153
96205599161,12cyclictest1050813-21chrt20:19:543
96205599161,11cyclictest967237-21taskset19:10:203
96205599161,11cyclictest967237-21taskset19:10:203
96205599161,11cyclictest1031977-21taskset20:01:013
96205599161,11cyclictest1013472-21taskset19:46:023
96205599160,12cyclictest1039173-21taskset20:10:193
96205599156,6cyclictest9883432sleep319:25:243
96205599156,6cyclictest13288332sleep323:25:083
96205599156,6cyclictest13288332sleep323:25:083
962055991513,1cyclictest0-21swapper/323:40:183
96205599151,11cyclictest1267111-21taskset22:45:163
96205599151,11cyclictest1168972-21taskset21:45:043
96205599151,11cyclictest1166764-21taskset21:40:283
96205599151,11cyclictest1093972-21taskset20:52:433
96205599151,11cyclictest1087621-21taskset20:45:383
96205599151,11cyclictest1014025-21taskset19:50:043
12402832150,11sleep11240287-21ssh22:29:201
12302592150,1sleep01230392-21python322:20:260
12162032150,2sleep00-21swapper/022:14:250
96205599141,9cyclictest12168012sleep322:15:163
96205599140,11cyclictest1081416-21taskset20:40:403
96205599140,11cyclictest1032534-21taskset20:05:023
9563442141,9sleep2957056-21cut19:05:152
147598140,9rtkit-daemon998871-21cut19:35:170
147598140,10rtkit-daemon976667-21apt-get19:20:130
13353702140,8sleep00-21swapper/023:27:140
13353702140,8sleep00-21swapper/023:27:130
13212802131,9sleep21322211-21cut23:20:182
12968212130,9sleep11296829-21ssh23:05:021
11181502131,9sleep01118235-21ntp_states21:10:210
11181502131,9sleep01118235-21ntp_states21:10:200
10932472130,2sleep134-21ksoftirqd/120:50:211
10073092130,9sleep01007369-21systemd-run19:45:000
9954762120,9sleep1996041-21cut19:35:151
147598120,4rtkit-daemon1160432-21kworker/u16:4-rpciod21:41:180
14313172120,9sleep01431325-21ssh00:25:360
13923242121,7sleep21392328-21ssh00:03:582
12221842120,9sleep21222418-21grep22:15:262
10948082120,9sleep01095737-21kernelversion20:55:170
147598110,7rtkit-daemon1540-21sendmail-mta19:06:140
147598110,7rtkit-daemon1424102-21ssh00:22:211
147598110,7rtkit-daemon1220107-21kthreadcore22:15:200
147598110,6rtkit-daemon1441124-21cron00:35:001
147598110,4rtkit-daemon214-21plymouthd19:11:340
147598110,4rtkit-daemon214-21plymouthd19:11:330
14162942110,8sleep21416300-21ssh00:17:542
13753602110,4sleep11375368-21ssh23:52:231
13750102110,1sleep00-21swapper/023:51:380
11211222111,7sleep21121128-21ssh21:15:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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