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2026-06-19 - 20:08
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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 Jun 19, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94408121020,2sleep0944085-21cron10:35:000
78681321010,1sleep1321rcuc/108:50:141
656379993525,7cyclictest760915-21sleep08:30:013
656379993027,1cyclictest0-21swapper/312:20:003
656379992623,1cyclictest0-21swapper/307:35:163
656379992421,1cyclictest0-21swapper/310:50:013
656379992321,1cyclictest0-21swapper/309:50:013
656379992321,1cyclictest0-21swapper/308:55:013
656379992220,1cyclictest0-21swapper/310:00:013
656379992220,1cyclictest0-21swapper/310:00:003
656379992219,1cyclictest0-21swapper/309:20:183
65637999221,16cyclictest1060388-21taskset11:48:373
88430822115,3sleep2885959-21kthreadcore09:55:192
656379992119,1cyclictest0-21swapper/309:00:003
65637999211,15cyclictest1114139-21taskset12:22:213
65637999211,14cyclictest684112-21taskset07:30:013
656379992017,1cyclictest0-21swapper/311:00:073
656379992017,1cyclictest0-21swapper/309:25:123
6881190,7low-memory-moni1036209-21dpkg-deb11:31:062
65637999198,7cyclictest9582582sleep310:41:023
65637999192,13cyclictest975489-21chrt10:55:123
65637999192,13cyclictest1084149-21turbostat12:05:013
656379991916,1cyclictest0-21swapper/307:40:123
65637999191,14cyclictest950754-21taskset10:36:483
65637999191,14cyclictest821111-21taskset09:15:163
65637999191,14cyclictest805528-21taskset09:03:143
65637999191,14cyclictest1121425-21taskset12:26:053
65637999191,14cyclictest1036115-21chrt11:31:003
65637999191,13cyclictest856492-21chrt09:35:223
65637999191,13cyclictest741597-21taskset08:14:553
7466572181,13sleep2746990-21needreboot08:15:202
65637999188,7cyclictest7480852sleep308:20:013
656379991816,1cyclictest0-21swapper/309:55:563
656379991816,0cyclictest0-21swapper/311:55:153
656379991816,0cyclictest0-21swapper/311:25:163
656379991815,1cyclictest0-21swapper/309:40:143
656379991815,1cyclictest0-21swapper/307:10:533
65637999181,13cyclictest935239-21taskset10:27:013
65637999181,13cyclictest920280-21taskset10:18:553
65637999181,13cyclictest912167-21taskset10:12:473
65637999181,13cyclictest811746-21taskset09:06:023
65637999181,13cyclictest767828-21taskset08:35:163
65637999181,13cyclictest766940-21taskset08:31:033
65637999181,13cyclictest735030-21taskset08:07:183
65637999181,13cyclictest727683-21taskset08:00:193
65637999181,13cyclictest722041-21taskset07:55:273
65637999181,13cyclictest690298-21taskset07:33:223
65637999181,13cyclictest677347-21taskset07:20:593
65637999181,13cyclictest667868-21taskset07:15:173
65637999181,13cyclictest1135341-21taskset12:35:193
65637999181,13cyclictest1098262-21taskset12:11:103
65637999181,13cyclictest1089800-21chrt12:05:243
65637999181,13cyclictest1067302-21taskset11:51:183
65637999181,13cyclictest1038294-21taskset11:35:143
65637999181,13cyclictest1014375-21chrt11:20:013
65637999181,13cyclictest1005248-21taskset11:11:553
7035432171,5sleep2703576-21apt-get07:45:132
6715552171,2sleep00-21swapper/007:20:120
656379991714,1cyclictest0-21swapper/309:50:183
656379991714,1cyclictest0-21swapper/309:10:123
656379991714,1cyclictest0-21swapper/308:40:203
656379991714,1cyclictest0-21swapper/307:50:163
65637999171,13cyclictest997999-21taskset11:08:273
65637999171,13cyclictest974126-21taskset10:52:033
65637999171,13cyclictest925067-21taskset10:20:203
65637999171,13cyclictest709373-21taskset07:46:213
65637999171,12cyclictest942262-21taskset10:30:273
65637999171,12cyclictest903733-21taskset10:05:403
65637999171,12cyclictest746995-21chrt08:15:203
65637999171,12cyclictest1123043-21taskset12:30:033
65637999171,12cyclictest1045687-21taskset11:40:033
65637999171,12cyclictest1006576-21taskset11:15:053
9521562161,8sleep2951921-21sendmail-msp10:40:042
8330612161,11sleep2833177-21ntpq09:20:222
656379991613,1cyclictest0-21swapper/309:30:573
65637999161,12cyclictest786114-21taskset08:45:333
8048692151,10sleep0804983-21python309:00:280
7726002151,4sleep0772698-21ntpq08:35:210
11204372151,10sleep01120575-21netstat12:25:190
8981722141,9sleep1898716-21cut10:05:161
11250662141,10sleep11126804-21tr12:30:181
8821842131,4sleep0222-21plymouthd09:55:120
8278942131,10sleep086188-21systemd-journal09:20:070
10361412131,4sleep1672-21dbus-daemon11:31:041
10050442130,10sleep11005048-21ssh11:11:231
9971252121,3sleep1222-21plymouthd11:05:541
9663212121,8sleep2966327-21ssh10:46:592
9518542120,9sleep2951921-21sendmail-msp10:40:012
9211672120,9sleep2921278-21fschecks_time10:20:162
8965992120,2sleep00-21swapper/010:02:340
8965992120,2sleep00-21swapper/010:02:340
8275822121,8sleep1827643-21sendmail-msp09:20:011
8176972121,8sleep2817726-21ntp_states09:10:242
7989492121,7sleep1222-21plymouthd08:56:191
7796712121,8sleep1779673-21sshd-auth08:40:321
6501632120,6sleep2222-21plymouthd07:05:112
11322022121,8sleep11133623-21cut12:35:191
11301342120,9sleep01130140-21ssh12:34:080
9910192110,7sleep0990746-21apt-get11:05:050
9787952110,2sleep134-21ksoftirqd/110:55:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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