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2026-05-08 - 05:35
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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 Fri May 08, 2026 00:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87643299835,59cyclictest942552-21sshd21:06:053
87643099770,1cyclictest0-21swapper/119:30:121
876432997234,19cyclictest925372-21ntpq20:35:183
876432997214,39cyclictest905956-21ps20:00:203
876432997214,19cyclictest0-21swapper/319:40:193
876432997011,58cyclictest1028541-21systemd-run23:45:023
876432996830,38cyclictest0-21swapper/322:35:133
87643299679,39cyclictest1025247-21taskset23:36:323
87643199612,19cyclictest0-21swapper/219:50:162
87643299602,58cyclictest1036977-21kworker/u32:5+events_unbound00:10:143
876432996016,40cyclictest1054719-21/usr/sbin/munin00:30:173
876432995921,19cyclictest904096-21cron19:59:593
87643299591,39cyclictest884982-21apt-get19:25:123
876432995719,38cyclictest0-21swapper/321:30:163
876432995718,39cyclictest1056864-21diskstats00:35:163
876431995636,19cyclictest0-21swapper/221:00:162
876431995636,19cyclictest0-21swapper/221:00:152
876432995517,19cyclictest972406-21ntp_states22:00:193
876432995516,39cyclictest882070-21/usr/sbin/munin19:20:023
87643099550,54cyclictest0-21swapper/121:05:171
876432995419,15cyclictest0-21swapper/319:30:353
876432995416,19cyclictest975104-21ntpq22:05:203
876432995416,19cyclictest944335-21meminfo21:10:163
876432995416,19cyclictest944335-21meminfo21:10:153
876436995316,18cyclictest871ktimers/723:00:167
876432995334,19cyclictest875-21mta-sts-daemon20:44:363
876432995334,19cyclictest875-21mta-sts-daemon20:44:353
876432995319,34cyclictest0-21swapper/321:29:253
876432995319,34cyclictest0-21swapper/319:46:093
876432995319,15cyclictest0-21swapper/323:59:333
876432995319,15cyclictest0-21swapper/321:00:303
876432995319,15cyclictest0-21swapper/321:00:293
876432995319,15cyclictest0-21swapper/320:16:223
876432995314,39cyclictest947378-21proc_pri21:15:223
876432995314,39cyclictest0-21swapper/322:55:283
876432995314,39cyclictest0-21swapper/322:45:253
876432995314,39cyclictest0-21swapper/321:39:353
876432995314,39cyclictest0-21swapper/319:54:483
876436995214,19cyclictest0-21swapper/720:05:147
876432995234,18cyclictest511ktimers/321:45:483
876432995233,19cyclictest0-21swapper/323:25:463
876432995233,19cyclictest0-21swapper/323:15:463
876432995233,19cyclictest0-21swapper/323:08:183
876432995233,19cyclictest0-21swapper/322:22:403
876432995233,19cyclictest0-21swapper/322:17:593
876432995233,19cyclictest0-21swapper/322:12:543
876432995233,19cyclictest0-21swapper/320:58:543
876432995233,19cyclictest0-21swapper/320:49:573
876432995233,19cyclictest0-21swapper/320:30:233
876432995233,19cyclictest0-21swapper/320:27:083
876432995233,19cyclictest0-21swapper/300:26:023
876432995233,19cyclictest0-21swapper/300:05:333
876432995233,0cyclictest0-21swapper/322:41:383
876432995213,39cyclictest0-21swapper/323:52:443
876432995213,39cyclictest0-21swapper/323:21:153
876432995213,39cyclictest0-21swapper/323:10:433
876432995213,39cyclictest0-21swapper/323:03:403
876432995213,39cyclictest0-21swapper/322:51:483
876432995213,39cyclictest0-21swapper/322:33:323
876432995213,39cyclictest0-21swapper/322:27:513
876432995213,39cyclictest0-21swapper/321:56:523
876432995213,39cyclictest0-21swapper/321:22:363
876432995213,39cyclictest0-21swapper/320:11:363
876432995213,39cyclictest0-21swapper/319:20:593
876432995213,39cyclictest0-21swapper/319:12:003
876432995213,39cyclictest0-21swapper/300:21:433
876432995213,39cyclictest0-21swapper/300:17:403
876432995213,19cyclictest0-21swapper/323:30:073
876432995132,19cyclictest0-21swapper/323:47:333
876432995132,19cyclictest0-21swapper/321:43:143
876432995132,19cyclictest0-21swapper/320:07:573
876432995031,19cyclictest0-21swapper/300:03:063
876432995030,19cyclictest0-21swapper/320:50:183
876432995012,19cyclictest966879-21ntpq21:50:193
876435994911,19cyclictest0-21swapper/623:50:146
87643399496,19cyclictest0-21swapper/419:45:174
876432994948,1cyclictest0-21swapper/319:37:023
87642999499,39cyclictest0-21swapper/022:55:150
876429994911,0cyclictest251irq_work/021:20:150
876429994910,19cyclictest0-21swapper/021:55:160
876433994810,19cyclictest0-21swapper/422:20:154
876432994829,19cyclictest0-21swapper/320:23:463
87643599479,19cyclictest0-21swapper/620:20:156
87643599478,19cyclictest0-21swapper/623:35:156
87643699456,39cyclictest0-21swapper/723:10:177
87643199458,18cyclictest0-21swapper/219:40:162
87643199457,19cyclictest0-21swapper/220:40:152
87643199457,19cyclictest0-21swapper/220:40:142
87643599446,19cyclictest0-21swapper/619:20:166
87643699435,19cyclictest0-21swapper/721:45:167
87643399401,39cyclictest0-21swapper/422:55:154
87643599391,19cyclictest0-21swapper/621:45:176
876433993921,18cyclictest0-21swapper/419:20:174
876435993838,0cyclictest0-21swapper/600:00:166
87643199380,19cyclictest0-21swapper/219:55:162
876430993838,0cyclictest0-21swapper/119:20:241
87642999380,38cyclictest0-21swapper/021:15:160
87642999380,38cyclictest0-21swapper/000:00:170
876436993737,0cyclictest904331-21kworker/7:0+events23:05:157
87643699360,35cyclictest0-21swapper/719:25:177
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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