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2026-06-21 - 01:03
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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 Jun 20, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3075514993532,1cyclictest0-21swapper/307:55:183
3075514992521,1cyclictest0-21swapper/309:34:223
3075514992420,1cyclictest0-21swapper/309:00:003
3075514992319,1cyclictest0-21swapper/309:00:123
3075514992220,1cyclictest0-21swapper/310:55:283
3075514992220,1cyclictest0-21swapper/310:15:013
3075514992219,1cyclictest0-21swapper/310:40:253
3075514992219,1cyclictest0-21swapper/310:00:003
3075514992219,1cyclictest0-21swapper/309:20:133
307551499212,14cyclictest3192428-21taskset08:35:283
307551499212,14cyclictest3148292-21taskset08:05:013
3075514992118,1cyclictest0-21swapper/311:05:223
307551499202,14cyclictest3447696-21taskset11:30:133
3075514992017,1cyclictest0-21swapper/310:30:013
3075514992017,1cyclictest0-21swapper/309:25:143
307551499201,15cyclictest3524465-21taskset12:19:323
307551499201,14cyclictest3462882-21turbostat11:40:003
307551499201,14cyclictest3269806-21sleep09:39:563
307551499201,14cyclictest3172897-21taskset08:20:253
311772721910,2sleep1171rcu_preempt07:40:191
3075514991917,1cyclictest0-21swapper/309:45:263
3075514991917,1cyclictest0-21swapper/307:25:013
3075514991916,1cyclictest0-21swapper/312:05:003
3075514991916,1cyclictest0-21swapper/312:05:003
3075514991916,1cyclictest0-21swapper/311:50:243
3075514991916,1cyclictest0-21swapper/309:45:003
3075514991916,1cyclictest0-21swapper/308:40:053
3075514991916,1cyclictest0-21swapper/308:40:053
3075514991916,1cyclictest0-21swapper/308:30:143
307551499191,14cyclictest3538866-21taskset12:26:303
307551499191,14cyclictest3469820-21taskset11:42:353
307551499191,14cyclictest3237970-21taskset09:12:213
307551499191,14cyclictest3230835-21chrt09:06:473
307551499191,14cyclictest3090311-21taskset07:19:433
307551499191,13cyclictest3316443-21taskset10:05:013
307551499191,13cyclictest3314128-21chrt10:00:243
307551499187,8cyclictest3506253-21chrt12:05:213
307551499182,12cyclictest3439930-21taskset11:25:073
3075514991816,1cyclictest0-21swapper/310:30:263
3075514991815,1cyclictest0-21swapper/312:20:113
3075514991815,1cyclictest0-21swapper/311:13:323
3075514991815,1cyclictest0-21swapper/310:47:373
3075514991815,1cyclictest0-21swapper/307:25:173
307551499181,13cyclictest3555109-21taskset12:39:173
307551499181,13cyclictest3408825-21taskset11:04:593
307551499181,13cyclictest3391966-21taskset10:50:483
307551499181,13cyclictest3362801-21taskset10:35:123
307551499181,13cyclictest3332302-21taskset10:15:153
307551499181,13cyclictest3239204-21chrt09:15:133
307551499181,13cyclictest3202727-21taskset08:45:183
307551499181,13cyclictest3167068-21chrt08:18:403
307551499181,13cyclictest3142096-21taskset08:00:163
307551499181,13cyclictest3122757-21taskset07:45:133
307551499181,13cyclictest3111287-21taskset07:35:193
307551499172,12cyclictest3109605-21taskset07:34:593
3075514991714,1cyclictest0-21swapper/312:10:193
3075514991714,1cyclictest0-21swapper/311:55:173
3075514991714,1cyclictest0-21swapper/311:50:003
3075514991714,1cyclictest0-21swapper/311:20:133
3075514991714,1cyclictest0-21swapper/308:25:143
3075514991714,1cyclictest0-21swapper/307:10:263
307551499171,13cyclictest3546468-21taskset12:31:193
307551499171,13cyclictest3340221-21taskset10:20:153
307551499171,13cyclictest3211944-21turbostat08:55:003
307551499171,13cyclictest3154876-21taskset08:10:153
307551499171,13cyclictest3134997-21taskset07:52:273
307551499171,12cyclictest3424492-21taskset11:15:053
307551499171,12cyclictest3293441-21taskset09:50:133
307551499171,12cyclictest3116615-21taskset07:40:163
30700372161,11sleep03070869-21cut07:05:180
31405352151,10sleep03140655-21ntpq07:55:210
31418872141,10sleep13141664-21sendmail-msp08:00:071
307551499141,10cyclictest3075608-21taskset07:10:013
31349032130,6sleep03134904-21sshd-session07:51:160
34996862121,8sleep03499795-21/usr/sbin/munin12:00:260
34996862121,8sleep03499795-21/usr/sbin/munin12:00:260
34315972120,5sleep03431603-21ssh11:19:040
33476332121,7sleep03347650-21ssh10:25:160
32250052120,8sleep13225150-21df09:05:141
31165142121,8sleep23116614-21fschecks_time07:40:162
35472432111,6sleep2222-21plymouthd12:33:392
34685482110,7sleep03468578-21ntpq11:40:250
34396252110,8sleep13439629-21ssh11:24:501
34232152110,8sleep13423219-21ssh11:12:031
33158952110,8sleep13315899-21ssh10:04:081
32843152110,2sleep2171rcu_preempt09:42:162
31096072111,7sleep03109628-21idleruntime-cro07:35:010
35311782100,7sleep03531184-21ssh12:21:300
35033662100,7sleep13504489-21kthreadcore12:05:201
34860982100,2sleep00-21swapper/011:54:480
34782362100,2sleep23478240-21ssh11:49:292
34399452100,7sleep13439950-21/usr/sbin/munin11:25:101
34105392101,7sleep13412038-21grep11:05:181
33936772100,3sleep20-21swapper/210:55:132
33460282100,7sleep03346035-21sh10:21:430
32701302102,4sleep13270125-21apt-get09:35:131
32474462102,2sleep03248344-21kernelversion09:20:160
32309462100,3sleep0222-21plymouthd09:08:140
32047552101,5sleep13204877-21python308:45:241
31674902103,4sleep13167493-21apt-get08:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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