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2026-08-05 - 22:43
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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 Aug 05, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
374031223350,1sleep10-21swapper/110:35:291
381844621510,2sleep00-21swapper/011:25:240
3629498992825,1cyclictest0-21swapper/307:20:013
3629498992623,1cyclictest0-21swapper/311:20:153
3629498992521,1cyclictest0-21swapper/312:00:203
3629498992421,1cyclictest0-21swapper/312:20:263
3629498992421,1cyclictest0-21swapper/309:40:113
3629498992320,1cyclictest0-21swapper/308:15:013
362949899221,16cyclictest3676938-21chrt09:55:263
3629498992118,1cyclictest0-21swapper/311:35:173
3629498992118,1cyclictest0-21swapper/310:51:433
3629498992118,1cyclictest0-21swapper/310:51:423
3629498992118,1cyclictest0-21swapper/310:20:143
3629498992118,1cyclictest0-21swapper/307:34:333
3629498992117,1cyclictest0-21swapper/308:40:163
362949899211,15cyclictest3645706-21taskset08:59:223
37744832200,1sleep20-21swapper/211:00:172
3629498992018,0cyclictest0-21swapper/310:35:013
3629498992017,1cyclictest0-21swapper/309:20:023
3629498992017,1cyclictest0-21swapper/307:50:013
362949899201,15cyclictest3891491-21taskset12:11:023
362949899201,15cyclictest3710195-21taskset10:19:033
362949899201,14cyclictest3916199-21taskset12:28:463
362949899201,14cyclictest3899938-21taskset12:17:363
362949899192,13cyclictest3741813-21taskset10:39:403
3629498991917,1cyclictest0-21swapper/311:00:013
3629498991916,1cyclictest0-21swapper/312:37:493
3629498991916,1cyclictest0-21swapper/311:55:113
3629498991916,1cyclictest0-21swapper/311:16:533
3629498991916,1cyclictest0-21swapper/310:40:143
3629498991916,1cyclictest0-21swapper/309:40:013
3629498991916,1cyclictest0-21swapper/309:35:003
3629498991916,1cyclictest0-21swapper/307:50:283
362949899191,14cyclictest3687746-21taskset10:05:173
362949899191,14cyclictest3653848-21taskset09:26:043
362949899191,14cyclictest3646050-21taskset09:00:183
362949899191,14cyclictest3644247-21taskset08:46:583
362949899191,14cyclictest3634058-21taskset07:28:573
362949899191,13cyclictest3718430-21sleep10:29:543
362949899191,13cyclictest3642496-21turbostat08:35:003
362949899190,16cyclictest3829778-21turbostat11:35:013
3629498991815,1cyclictest0-21swapper/311:25:143
3629498991815,1cyclictest0-21swapper/310:45:263
3629498991815,1cyclictest0-21swapper/308:08:493
3629498991815,1cyclictest0-21swapper/308:00:053
362949899181,14cyclictest3796738-21taskset11:14:053
362949899181,13cyclictest3649758-21taskset09:16:093
362949899181,13cyclictest3642740-21taskset08:35:073
362949899181,13cyclictest3640233-21taskset08:15:553
362949899181,13cyclictest3635228-21taskset07:37:393
362949899181,13cyclictest3633116-21taskset07:20:033
362949899181,13cyclictest3633116-21taskset07:20:033
362949899181,13cyclictest3629813-21taskset07:12:083
362949899181,12cyclictest3663796-21chrt09:50:083
3629498991714,1cyclictest0-21swapper/312:05:113
3629498991714,1cyclictest0-21swapper/311:40:263
3629498991714,1cyclictest0-21swapper/311:07:013
362949899171,13cyclictest3860222-21taskset11:52:143
362949899171,13cyclictest3773924-21taskset11:00:133
362949899171,13cyclictest3695371-21taskset10:10:143
362949899171,13cyclictest3648565-21taskset09:13:283
362949899171,12cyclictest3916898-21taskset12:30:023
362949899171,12cyclictest3662171-21chrt09:46:243
362949899171,12cyclictest3646687-21taskset09:05:113
362949899171,12cyclictest3641591-21taskset08:26:453
362949899171,12cyclictest3635790-21taskset07:41:073
362949899161,12cyclictest3852697-21taskset11:48:083
362949899161,12cyclictest3685482-21taskset10:00:443
362949899161,12cyclictest3644746-21taskset08:50:123
362949899161,12cyclictest3640905-21taskset08:21:053
362949899161,12cyclictest3637625-21taskset07:55:153
36409822159,4sleep03638513-21kworker/0:1+kacpi_notify08:22:070
37497232141,10sleep03749729-21ssh10:44:350
36290102140,2sleep30-21swapper/307:05:253
36703152130,10sleep13670319-21ssh09:52:251
38946692120,9sleep23896127-21cut12:15:192
38682132120,2sleep00-21swapper/011:57:450
38670602121,8sleep23867320-21head11:55:252
38427992120,9sleep00-21swapper/011:40:210
37571692121,7sleep23757175-21ssh10:48:302
37497872127,2sleep23749793-21ssh10:44:462
37098672121,8sleep03709873-21ssh10:18:140
36429482120,2sleep00-21swapper/008:37:550
36367202120,8sleep13636766-21/usr/sbin/munin07:50:011
39236432110,7sleep03923648-21sh12:32:400
38790622111,3sleep00-21swapper/012:05:190
38301112113,5sleep23830108-21apt-get11:35:132
37957902110,8sleep13795796-21ssh11:11:271
37791672110,8sleep13779210-21ld11:00:251
36338642111,3sleep2222-21plymouthd07:26:252
36290442110,1sleep20-21swapper/207:05:522
36289882110,2sleep10-21swapper/107:05:071
39323872102,5sleep20-21swapper/212:40:012
38445882101,5sleep23844594-21ssh11:42:192
38062412100,2sleep2222-21plymouthd11:20:182
37983892101,6sleep13799188-21cut11:15:191
37628462101,2sleep13763168-21ssh10:50:221
37628462101,2sleep13763168-21ssh10:50:211
36434122101,7sleep03643170-21sendmail-msp08:40:220
36431082101,5sleep13643137-21munin-run08:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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