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2025-11-25 - 20:37
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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 Tue Nov 25, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147598260,10rtkit-daemon729-21lldpd10:13:470
1241239992320,1cyclictest0-21swapper/311:05:003
1241239992320,1cyclictest0-21swapper/309:40:003
1241239992320,1cyclictest0-21swapper/307:15:013
1241239992118,1cyclictest0-21swapper/312:00:203
1241239992017,1cyclictest0-21swapper/311:30:003
1241239992017,1cyclictest0-21swapper/308:20:003
124123999201,5cyclictest1350340-21turbostat08:35:003
16707322191,9sleep21671879-21cut12:00:192
124123999191,14cyclictest1717626-21turbostat12:30:003
124123999191,14cyclictest1319220-21taskset08:10:123
124123999191,13cyclictest1612709-21taskset11:25:003
124123999191,13cyclictest1465390-21taskset09:51:273
13557082181,12sleep01355785-21/usr/sbin/munin08:35:230
1241239991815,1cyclictest0-21swapper/310:30:173
1241239991815,1cyclictest0-21swapper/310:05:013
1241239991815,1cyclictest0-21swapper/309:00:203
124123999181,14cyclictest1732256-21taskset12:36:303
124123999181,13cyclictest1693407-21turbostat12:15:003
124123999181,13cyclictest1300390-21taskset07:55:133
124123999181,12cyclictest1402227-21taskset09:14:563
16909932170,3sleep00-21swapper/012:10:230
147598170,3rtkit-daemon1247742-21munin-node08:01:222
1241239991714,1cyclictest0-21swapper/311:15:193
1241239991714,1cyclictest0-21swapper/311:15:183
1241239991714,1cyclictest0-21swapper/310:50:173
1241239991714,1cyclictest0-21swapper/309:25:163
1241239991714,1cyclictest0-21swapper/309:25:003
1241239991714,1cyclictest0-21swapper/309:05:203
1241239991714,1cyclictest0-21swapper/309:05:203
1241239991714,1cyclictest0-21swapper/308:02:033
1241239991714,1cyclictest0-21swapper/307:30:183
1241239991714,1cyclictest0-21swapper/307:25:023
124123999171,13cyclictest1540302-21chrt10:40:083
124123999171,13cyclictest1381313-21chrt08:56:003
124123999171,12cyclictest1707976-21taskset12:21:193
124123999171,12cyclictest1432793-21taskset09:30:393
124123999171,12cyclictest1268260-21taskset07:25:243
124123999166,7cyclictest15220432sleep310:26:343
1241239991613,1cyclictest0-21swapper/312:05:183
1241239991613,1cyclictest0-21swapper/311:30:173
1241239991613,1cyclictest0-21swapper/310:45:173
124123999161,12cyclictest1725255-21taskset12:34:013
124123999161,12cyclictest1699682-21taskset12:15:463
124123999161,12cyclictest1651858-21taskset11:47:043
124123999161,12cyclictest1564431-21taskset10:55:033
124123999161,12cyclictest1499636-21taskset10:15:073
124123999161,12cyclictest1490073-21taskset10:07:143
124123999161,12cyclictest1473290-21taskset09:55:563
124123999161,12cyclictest1458423-21taskset09:48:543
124123999161,12cyclictest1448913-21taskset09:40:343
124123999161,12cyclictest1403752-21taskset09:15:163
124123999161,12cyclictest1356298-21chrt08:36:453
124123999161,12cyclictest1343834-21taskset08:27:393
124123999161,12cyclictest1331711-21taskset08:20:023
124123999161,12cyclictest1313194-21taskset08:05:153
124123999161,12cyclictest1297415-21taskset07:50:163
124123999161,12cyclictest1281255-21taskset07:39:223
124123999161,12cyclictest1255984-21taskset07:18:383
124123999161,11cyclictest1509310-21chrt10:20:163
124123999161,11cyclictest1497384-21taskset10:10:303
1241239991610,3cyclictest16355642sleep311:36:353
124123999160,13cyclictest1588361-21chrt11:09:573
124123999160,13cyclictest1539460-21chrt10:38:483
13840842151,4sleep11386135-21grep09:00:201
1241239991513,1cyclictest0-21swapper/308:50:163
1241239991512,1cyclictest0-21swapper/311:10:173
124123999151,12cyclictest1284586-21taskset07:40:183
124123999151,11cyclictest1661484-21taskset11:55:063
124123999151,11cyclictest1363087-21chrt08:45:063
124123999151,11cyclictest1293487-21taskset07:45:523
124123999150,11cyclictest1362540-21taskset08:41:143
17098992141,10sleep00-21swapper/012:25:140
16615002141,5sleep11661533-21apt-get11:55:131
124123999141,10cyclictest1653437-21taskset11:50:093
124123999140,12cyclictest1643552-21chrt11:41:273
16109442131,3sleep11610952-21ssh11:21:111
15390952130,9sleep11539103-21ssh10:37:541
13885662131,9sleep00-21swapper/009:05:160
13885662131,9sleep00-21swapper/009:05:160
16357742120,9sleep01635778-21ssh11:37:090
15071462121,8sleep0214-21plymouthd10:19:260
147598120,8rtkit-daemon1733239-21taskset12:38:480
147598120,4rtkit-daemon720-21snmpd12:24:132
14562212120,10sleep11456373-21ntp_kernel_err09:45:211
14440242120,9sleep21444903-21cut09:40:172
14252342120,9sleep11425241-21sh09:26:491
14145382121,8sleep01415902-21memory09:20:190
17260132111,3sleep11726050-21apt-get12:35:121
15242322110,8sleep21524301-21ls10:30:142
15059462110,8sleep11505954-21ssh10:16:381
147598110,7rtkit-daemon1563268-21ssh10:52:510
147598110,6rtkit-daemon22110-21packagekitd09:38:130
14116522111,8sleep20-21swapper/209:20:172
13996952111,7sleep01399780-21ntp_states09:10:210
13304222111,7sleep11325450-21/usr/sbin/munin08:15:201
17113342100,7sleep11712507-21kthreadcore12:25:191
16700372100,3sleep11670731-21cut12:00:181
16672972100,7sleep21667303-21ssh11:55:342
16277232100,3sleep21627731-21ssh11:32:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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