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2025-11-28 - 23:15
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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 Nov 28, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3043679992421,1cyclictest0-21swapper/308:35:013
3043679992420,1cyclictest0-21swapper/310:05:003
3043679992320,1cyclictest0-21swapper/309:00:003
3043679992219,1cyclictest0-21swapper/311:50:133
3043679992219,1cyclictest0-21swapper/310:10:013
3043679992219,1cyclictest0-21swapper/308:25:023
3043679992219,1cyclictest0-21swapper/308:00:123
3043679991916,1cyclictest0-21swapper/311:00:163
3043679991916,1cyclictest0-21swapper/309:10:143
3043679991915,1cyclictest0-21swapper/312:05:003
304367999191,13cyclictest3439794-21chrt11:40:013
31720012180,1sleep23172023-21apt-get08:50:122
304367999187,7cyclictest32696882sleep309:55:143
3043679991815,1cyclictest0-21swapper/312:10:003
3043679991815,1cyclictest0-21swapper/310:40:143
3043679991815,1cyclictest0-21swapper/310:35:203
3043679991815,1cyclictest0-21swapper/309:00:133
304367999181,13cyclictest3320969-21taskset10:25:183
304367999181,13cyclictest3234636-21chrt09:30:243
304367999181,13cyclictest3089396-21taskset07:40:233
304367999180,14cyclictest3226786-21chrt09:25:243
304367999180,13cyclictest3064892-21sleep07:25:003
32214302171,5sleep13221612-21if_eno209:25:141
304367999177,7cyclictest35355652sleep312:38:093
304367999177,6cyclictest33326772sleep310:31:363
3043679991714,1cyclictest0-21swapper/312:25:073
3043679991714,1cyclictest0-21swapper/310:15:163
3043679991714,1cyclictest0-21swapper/309:10:013
3043679991714,1cyclictest0-21swapper/308:35:143
304367999171,13cyclictest3237772-21taskset09:35:173
304367999171,12cyclictest3173560-21taskset08:50:163
304367999171,12cyclictest3146486-21chrt08:27:323
304367999170,13cyclictest3429169-21chrt11:30:223
304367999170,13cyclictest3366693-21turbostat10:55:013
304367999170,13cyclictest3253049-21turbostat09:45:003
304367999166,7cyclictest3096650-21taskset07:50:133
3043679991614,1cyclictest0-21swapper/309:50:173
3043679991614,1cyclictest0-21swapper/309:50:173
3043679991613,1cyclictest0-21swapper/311:15:143
3043679991612,1cyclictest0-21swapper/307:10:183
304367999161,12cyclictest3510828-21taskset12:22:003
304367999161,12cyclictest3454984-21taskset11:48:153
304367999161,12cyclictest3446674-21taskset11:42:493
304367999161,12cyclictest3397027-21taskset11:10:353
304367999161,12cyclictest3390846-21turbostat11:09:593
304367999161,12cyclictest3358114-21chrt10:49:233
304367999161,12cyclictest3316114-21chrt10:20:333
304367999161,12cyclictest3219442-21taskset09:21:423
304367999161,12cyclictest3165269-21taskset08:42:273
304367999161,12cyclictest3133716-21taskset08:17:263
304367999161,12cyclictest3127397-21chrt08:11:293
304367999161,12cyclictest3108648-21taskset07:56:583
304367999161,12cyclictest3077043-21chrt07:30:343
304367999161,11cyclictest3083306-21taskset07:35:403
304367999160,13cyclictest3260773-21chrt09:49:153
304367999160,13cyclictest3121238-21chrt08:07:483
3043679991513,1cyclictest0-21swapper/307:15:023
3043679991512,1cyclictest0-21swapper/310:55:133
304367999151,12cyclictest3495161-21taskset12:13:063
304367999151,12cyclictest3471688-21chrt11:59:493
304367999151,12cyclictest3471688-21chrt11:59:483
304367999151,11cyclictest3496220-21taskset12:15:073
304367999151,11cyclictest3415317-21taskset11:24:573
304367999151,11cyclictest3294169-21chrt10:10:073
304367999151,11cyclictest3090347-21taskset07:45:093
304367999151,11cyclictest3065117-21taskset07:25:103
304367999150,9cyclictest3415367-21sleep11:29:553
304367999150,12cyclictest3520505-21chrt12:30:143
304367999150,12cyclictest3211188-21chrt09:16:143
304367999150,12cyclictest3171745-21turbostat08:50:003
33489932130,10sleep13349001-21ssh10:42:011
31144692130,9sleep13109161-21/usr/sbin/munin08:00:231
33328972123,5sleep23285104-21kworker/u16:0+nfsiod10:32:112
147598120,8rtkit-daemon720-21snmpd12:16:482
147598120,7rtkit-daemon3439758-21cat11:40:001
147598120,7rtkit-daemon3184262-21cron09:00:001
147598120,4rtkit-daemon3349841-21ssh10:43:520
34942882110,8sleep23494292-21ssh12:11:062
34534122111,8sleep23453536-21wc11:45:252
34252832110,8sleep10-21swapper/111:30:171
34156092111,7sleep13415611-21ssh11:25:051
33107442111,7sleep23311620-21irqrtprio10:20:132
31145802110,9sleep23109161-21/usr/sbin/munin08:00:232
147598110,7rtkit-daemon3204101-21sh09:13:211
35126342100,7sleep13512733-21fschecks_time12:25:121
35060662100,7sleep03507985-21kthreadcore12:20:180
34690632101,6sleep13469206-21netstat11:55:191
34690632101,6sleep13469206-21netstat11:55:181
34634722101,6sleep23463478-21ssh11:54:272
33985972100,7sleep23398605-21ssh11:14:192
33257272100,7sleep13325735-21ssh10:29:141
32751312101,6sleep23275370-21grep09:55:252
32362252100,7sleep13236233-21ssh09:33:231
32355512100,7sleep03235559-21ssh09:31:470
31968062100,7sleep23196889-21cat09:10:012
30778432106,2sleep2431ktimers/207:35:142
147598100,6rtkit-daemon476-21wpa_supplicant10:13:430
147598100,6rtkit-daemon3406972-21apt-get11:20:012
147598100,5rtkit-daemon214-21plymouthd11:52:151
147598100,1rtkit-daemon0-21swapper/108:16:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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