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2026-06-09 - 16:14
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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 Tue Jun 09, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22133089911557,57cyclictest2351429-21kworker/u32:2+events_unbound11:30:134
2213308991121,1cyclictest0-21swapper/412:25:124
221329199850,1cyclictest0-21swapper/012:25:120
2213308998325,39cyclictest2370116-21kworker/4:212:15:064
221330899780,59cyclictest2293512-21sed09:35:014
2213308997435,39cyclictest874-21mta-sts-daemon09:40:154
2213308997133,19cyclictest601ktimers/407:30:294
2213308997131,19cyclictest0-21swapper/411:28:344
2213308997030,19cyclictest0-21swapper/412:10:464
2213308996829,39cyclictest2234371-21open_inodes07:45:214
2213308996810,39cyclictest2229800-21systemctl07:40:014
221330899679,39cyclictest2360850-21ntpq11:35:194
221330899679,39cyclictest2360850-21ntpq11:35:184
221330899669,18cyclictest0-21swapper/408:10:024
221330899668,39cyclictest2267333-21ntp_states08:45:214
221330899667,40cyclictest2273053-21ntpq08:55:214
2213308996425,18cyclictest0-21swapper/409:25:044
221330899635,18cyclictest191rcu_preempt10:05:174
2213308996324,39cyclictest0-21swapper/410:46:414
2213308996324,39cyclictest0-21swapper/410:41:444
2213308996262,0cyclictest0-21swapper/408:16:144
2213308996222,21cyclictest0-21swapper/409:59:514
2213308996122,39cyclictest0-21swapper/412:37:224
2213308996122,39cyclictest0-21swapper/410:37:464
221330899610,40cyclictest2260583-21/usr/sbin/munin08:35:114
2213308996021,19cyclictest6050ktimers/409:38:194
2213308996020,21cyclictest0-21swapper/408:30:354
2213308995958,1cyclictest875-21mta-sts-daemon11:01:264
2213308995920,19cyclictest0-21swapper/408:41:044
2213308995819,19cyclictest0-21swapper/409:17:244
2213308995819,19cyclictest0-21swapper/407:19:084
2213308995719,18cyclictest0-21swapper/409:14:394
221330899570,56cyclictest2343235-21kworker/u32:4+events_unbound11:24:574
2213308995638,18cyclictest61-21ksoftirqd/409:00:464
2213308995637,19cyclictest601ktimers/408:14:134
2213308995636,19cyclictest872-21mta-sts-daemon09:45:374
2213291995613,19cyclictest0-21swapper/009:00:150
2213308995519,36cyclictest0-21swapper/408:03:134
2213308995519,16cyclictest0-21swapper/412:20:134
2213308995516,19cyclictest2343235-21kworker/u32:4+flush-8:011:45:314
2213291995513,19cyclictest0-21swapper/012:20:180
2213308995415,21cyclictest2232060-21fwupd07:41:344
221330899540,35cyclictest2221828-21kworker/u32:3+events_unbound07:25:344
221330899540,15cyclictest0-21swapper/410:34:454
2213296995417,18cyclictest331ktimers/111:35:161
2213296995417,18cyclictest331ktimers/111:35:151
2213308995315,38cyclictest2378720-21munin-run12:10:014
2213308995314,39cyclictest0-21swapper/410:14:144
2213308995314,39cyclictest0-21swapper/410:02:304
2213308995314,39cyclictest0-21swapper/409:21:574
2213308995314,20cyclictest0-21swapper/408:23:034
2213308995314,19cyclictest0-21swapper/410:26:154
2213308995233,19cyclictest0-21swapper/410:15:594
2213308995218,34cyclictest0-21swapper/408:25:294
2213308995214,0cyclictest0-21swapper/408:52:264
2213308995213,39cyclictest0-21swapper/409:52:544
2213308995213,19cyclictest2278762-21ntpq09:05:194
2213309995132,19cyclictest0-21swapper/511:55:185
2213308995133,18cyclictest0-21swapper/410:50:284
2213308995113,19cyclictest2213287-21cyclictest11:51:044
2213308995112,19cyclictest0-21swapper/407:53:044
2213296995112,39cyclictest0-21swapper/108:25:161
2213291995113,19cyclictest0-21swapper/009:50:140
2213308995032,18cyclictest0-21swapper/410:59:084
2213308995032,18cyclictest0-21swapper/407:55:214
2213308995031,19cyclictest0-21swapper/411:56:054
2213308995031,19cyclictest0-21swapper/411:08:424
2213308994931,18cyclictest0-21swapper/411:16:244
2213308994910,19cyclictest0-21swapper/412:04:104
2213308994830,18cyclictest0-21swapper/412:32:534
2213308994830,18cyclictest0-21swapper/411:12:084
2213308994830,18cyclictest0-21swapper/410:23:294
2213308994829,19cyclictest0-21swapper/407:10:054
2213308994810,19cyclictest0-21swapper/407:20:494
2213291994810,19cyclictest0-21swapper/011:20:170
2213308994728,19cyclictest0-21swapper/411:41:484
2213308994728,19cyclictest0-21swapper/411:41:484
221330999468,19cyclictest0-21swapper/509:45:175
221329199456,39cyclictest0-21swapper/008:55:160
221329199435,19cyclictest0-21swapper/008:10:130
221330999424,19cyclictest0-21swapper/511:50:185
221329699413,19cyclictest0-21swapper/109:00:151
2213291994122,19cyclictest0-21swapper/012:30:140
221329699401,0cyclictest0-21swapper/109:30:151
221329199401,39cyclictest0-21swapper/012:15:160
221329199390,19cyclictest0-21swapper/008:05:170
221330999380,19cyclictest0-21swapper/507:20:165
2213310993729,7cyclictest875-21mta-sts-daemon11:04:296
2213296993719,18cyclictest0-21swapper/108:10:131
2213296993718,19cyclictest34-21ksoftirqd/108:30:161
2213296993718,19cyclictest0-21swapper/109:35:171
2213296993617,19cyclictest0-21swapper/108:50:161
221329199360,17cyclictest0-21swapper/011:05:160
221330999350,35cyclictest0-21swapper/509:15:165
221330999350,15cyclictest0-21swapper/510:10:145
2213296993515,19cyclictest0-21swapper/107:45:161
2213291993535,0cyclictest2392124-21kworker/0:2+events12:39:040
221329199350,35cyclictest0-21swapper/010:45:150
221329199350,35cyclictest0-21swapper/009:30:150
2213309993414,20cyclictest0-21swapper/511:40:145
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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