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2026-06-17 - 05:48
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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 rackfslot7.osadl.org (updated Wed Jun 17, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211041991340,133cyclictest0-21swapper/720:10:137
211038997332,39cyclictest0-21swapper/400:16:364
211038997314,59cyclictest353622-21if_eno123:25:164
211038997214,39cyclictest273551-21if_err_eno121:00:134
211039997070,0cyclictest0-21swapper/520:35:165
211038996829,19cyclictest0-21swapper/400:13:394
211037996767,0cyclictest52-21ksoftirqd/320:10:133
211038996223,19cyclictest0-21swapper/420:03:234
211034996043,17cyclictest0-21swapper/020:25:160
211038995719,19cyclictest306762-21df22:00:144
211038995618,19cyclictest236199-21snmpd23:38:524
211034995639,0cyclictest0-21swapper/023:10:160
211038995537,18cyclictest601ktimers/419:35:504
211038995514,20cyclictest0-21swapper/422:56:404
21103899550,36cyclictest0-21swapper/421:44:384
211038995417,19cyclictest238306-21taskset19:57:464
211038995334,19cyclictest0-21swapper/421:55:104
211038995315,38cyclictest291101-21ntpq21:30:204
211038995315,19cyclictest362-21jbd2/sda2-823:20:284
211038995314,39cyclictest329265-21strings22:40:194
211038995314,39cyclictest0-21swapper/421:25:094
211038995314,39cyclictest0-21swapper/420:37:164
211038995314,39cyclictest0-21swapper/419:30:234
211039995234,18cyclictest0-21swapper/522:30:175
211038995234,18cyclictest0-21swapper/422:34:334
211038995214,19cyclictest285150-21ld21:20:204
211038995214,19cyclictest0-21swapper/420:32:544
211038995214,19cyclictest0-21swapper/400:30:184
211038995213,39cyclictest0-21swapper/423:00:384
211038995213,39cyclictest0-21swapper/422:09:184
211038995213,19cyclictest0-21swapper/420:48:584
211038995213,19cyclictest0-21swapper/420:48:574
211038995212,39cyclictest321333-21grep22:25:244
211038995212,39cyclictest0-21swapper/420:40:164
211040995112,39cyclictest0-21swapper/620:30:156
211038995133,18cyclictest0-21swapper/419:50:494
211038995133,18cyclictest0-21swapper/419:43:134
211038995132,19cyclictest0-21swapper/423:56:444
211038995132,19cyclictest0-21swapper/421:07:124
211038995112,19cyclictest0-21swapper/400:25:444
211037995111,39cyclictest0-21swapper/320:00:173
211041995013,18cyclictest0-21swapper/719:10:177
211039995032,18cyclictest0-21swapper/523:45:155
211039995011,39cyclictest0-21swapper/521:20:165
211038995032,0cyclictest0-21swapper/400:24:544
211035995012,19cyclictest0-21swapper/121:45:151
211034995032,18cyclictest0-21swapper/022:50:170
211040994930,19cyclictest0-21swapper/620:20:156
21103899498,19cyclictest363671-21munin-run23:45:024
211038994911,19cyclictest0-21swapper/423:12:404
211038994911,19cyclictest0-21swapper/422:36:324
211038994831,0cyclictest0-21swapper/400:38:294
211038994829,19cyclictest0-21swapper/420:55:044
211038994810,19cyclictest279722-21ntp_states21:10:204
211038994810,19cyclictest0-21swapper/421:35:164
211034994846,1cyclictest0-21swapper/022:10:100
211034994829,19cyclictest0-21swapper/022:40:170
21103899478,39cyclictest601ktimers/422:54:064
21103899478,39cyclictest0-21swapper/422:18:124
21103899468,19cyclictest0-21swapper/422:10:134
21103899467,39cyclictest0-21swapper/420:26:034
21103899456,39cyclictest0-21swapper/423:50:034
21103899456,39cyclictest0-21swapper/419:20:204
21103899456,19cyclictest0-21swapper/419:49:244
211038994526,19cyclictest0-21swapper/422:22:074
211038994526,19cyclictest0-21swapper/400:05:044
211041994426,18cyclictest0-21swapper/719:15:167
21103899445,39cyclictest0-21swapper/420:19:114
21103899445,19cyclictest0-21swapper/423:33:564
211038994426,18cyclictest0-21swapper/420:08:164
21103699445,39cyclictest0-21swapper/222:40:172
211036994425,19cyclictest0-21swapper/200:05:182
21103899434,19cyclictest0-21swapper/419:10:224
21103899432,19cyclictest298579-21diskstats21:45:134
21103599435,19cyclictest0-21swapper/121:35:161
211040994224,18cyclictest0-21swapper/619:10:166
211038994224,18cyclictest0-21swapper/421:16:524
21104099413,19cyclictest0-21swapper/622:05:196
21103999413,19cyclictest0-21swapper/523:30:155
211038994122,19cyclictest0-21swapper/423:50:004
21103899412,19cyclictest0-21swapper/422:48:064
211036994123,18cyclictest0-21swapper/222:50:172
211034994122,19cyclictest0-21swapper/020:15:160
21104199401,39cyclictest0-21swapper/719:30:167
211038994021,19cyclictest0-21swapper/423:16:594
211038994021,18cyclictest300793-21/usr/sbin/munin21:50:124
21103899401,39cyclictest0-21swapper/419:26:064
21103799402,19cyclictest0-21swapper/320:50:173
21103799402,19cyclictest0-21swapper/320:50:173
21103499391,19cyclictest0-21swapper/022:15:180
21103499391,19cyclictest0-21swapper/019:20:130
21103499390,39cyclictest0-21swapper/000:30:190
21104199380,19cyclictest0-21swapper/719:50:147
21103999380,19cyclictest0-21swapper/521:10:155
211038993819,19cyclictest0-21swapper/420:22:204
211038993819,19cyclictest0-21swapper/400:01:554
21103799380,38cyclictest0-21swapper/321:45:163
21103799380,19cyclictest0-21swapper/300:10:163
21103799370,18cyclictest0-21swapper/322:50:173
21104199360,17cyclictest0-21swapper/700:05:197
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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