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2025-12-31 - 22:43
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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 rack0slot2.osadl.org (updated Wed Dec 31, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221154225421,29sleep70-21swapper/707:06:537
221164825040,7sleep60-21swapper/607:08:206
221142725039,8sleep50-21swapper/507:05:145
221166423828,7sleep40-21swapper/407:08:344
2211974993428,5cyclictest650-21systemd-journal09:48:447
2211972993230,2cyclictest2370759-21kworker/u16:0+flush-8:009:13:436
2211968993128,2cyclictest2764413-21kworker/u16:3+events_unbound11:58:475
24695712290,1sleep40-21swapper/409:19:014
24695712290,1sleep40-21swapper/409:19:014
2211974992929,0cyclictest0-21swapper/711:58:417
2211974992923,5cyclictest2710005-21latency_hist11:23:447
24579692280,1chrt2457944-21munin-run09:13:437
2211974992624,1cyclictest0-21swapper/712:09:027
2211974992524,0cyclictest0-21swapper/711:29:017
2211968992523,2cyclictest2678565-21kworker/u16:3+flush-8:011:34:165
2211972992421,2cyclictest2564546-21kworker/u16:4+events_unbound10:43:566
2211972992421,2cyclictest2370759-21kworker/u16:0+flush-8:009:19:056
2211972992421,2cyclictest2370759-21kworker/u16:0+flush-8:009:19:056
2211974992220,1cyclictest0-21swapper/708:48:597
2211972992219,2cyclictest2477331-21kworker/u16:2+flush-8:010:04:096
2211972992219,2cyclictest2477331-21kworker/u16:2+flush-8:010:04:096
2211968992220,2cyclictest2370759-21kworker/u16:0+events_unbound09:18:595
2211968992220,2cyclictest2370759-21kworker/u16:0+events_unbound09:18:595
2211968992219,2cyclictest2201715-21kworker/u16:2+flush-8:007:48:585
2211960992217,4cyclictest2777800-21packagekitd11:58:384
2211974992115,5cyclictest2506382-21latency_hist09:38:447
2211968992017,2cyclictest2564546-21kworker/u16:4+events_unbound10:48:575
2211974991918,0cyclictest0-21swapper/707:38:597
2211974991914,4cyclictest2361178-21cut08:23:447
2211968991916,2cyclictest2428927-21kworker/u16:1+flush-8:010:09:095
2211974991817,0cyclictest0-21swapper/707:53:587
2211974991816,1cyclictest0-21swapper/708:29:077
2211974991813,3cyclictest1267-21snmpd09:41:567
2211974991812,5cyclictest2671177-21latency_hist11:03:447
2211974991716,0cyclictest0-21swapper/712:33:287
2211974991716,0cyclictest0-21swapper/712:13:577
2211974991715,1cyclictest0-21swapper/710:54:047
2211960991715,1cyclictest0-21swapper/408:14:054
2211974991615,0cyclictest0-21swapper/710:44:107
2211974991613,2cyclictest0-21swapper/710:03:447
2211974991613,2cyclictest0-21swapper/710:03:447
2211974991611,4cyclictest2583931-21latency_hist10:18:447
221197499160,14cyclictest0-21swapper/711:59:057
221196099162,3cyclictest2433111-21cut08:59:044
221197499156,7cyclictest958-21gmain08:24:057
2211974991514,0cyclictest0-21swapper/711:24:137
2211974991514,0cyclictest0-21swapper/711:13:567
2211974991514,0cyclictest0-21swapper/711:04:187
2211974991514,0cyclictest0-21swapper/708:38:597
2211974991512,2cyclictest1267-21snmpd08:44:327
2211974991512,2cyclictest0-21swapper/708:58:457
2211974991511,3cyclictest1267-21snmpd07:33:547
2211968991513,2cyclictest2608550-21kworker/u16:0+flush-8:011:39:095
2211968991513,2cyclictest2608550-21kworker/u16:0+flush-8:011:39:095
221197499149,4cyclictest2466707-21ntpq09:14:097
2211974991412,1cyclictest0-21swapper/709:04:127
2211974991411,2cyclictest0-21swapper/710:29:067
2211974991410,3cyclictest2818347-21irqstats12:18:597
221197499140,1cyclictest0-21swapper/710:39:077
221197499140,1cyclictest0-21swapper/710:19:087
221197499140,1cyclictest0-21swapper/709:49:087
221197499140,13cyclictest1267-21snmpd10:24:187
221197499140,13cyclictest0-21swapper/711:39:107
221197499140,13cyclictest0-21swapper/711:39:107
2211972991413,1cyclictest0-21swapper/610:13:576
2211972991413,1cyclictest0-21swapper/609:36:546
2211972991412,2cyclictest2764413-21kworker/u16:3+flush-8:011:58:396
2211960991413,1cyclictest0-21swapper/410:07:554
2211960991413,1cyclictest0-21swapper/410:07:554
2211960991413,1cyclictest0-21swapper/409:59:054
221196099140,13cyclictest0-21swapper/409:38:454
221197499139,3cyclictest2380796-21/usr/sbin/munin08:34:127
221197499139,3cyclictest1267-21snmpd08:58:257
221197499139,3cyclictest1267-21snmpd07:26:547
221197499139,3cyclictest1267-21snmpd07:12:577
221197499138,4cyclictest1267-21snmpd10:49:377
221197499134,8cyclictest96-21ksoftirqd/710:34:017
221197499133,9cyclictest2302191-21cat07:49:137
2211974991312,0cyclictest0-21swapper/707:19:077
221197299138,4cyclictest2212957-21cat07:08:596
2211972991312,1cyclictest0-21swapper/611:12:366
2211972991312,1cyclictest0-21swapper/609:14:406
2211972991310,2cyclictest2226907-21kworker/u16:3+flush-8:007:24:496
221197299130,13cyclictest0-21swapper/611:24:086
2211968991310,2cyclictest2477331-21kworker/u16:2+flush-8:009:44:095
221196899130,13cyclictest0-21swapper/508:29:095
221196099135,7cyclictest2704993-21kthreadcore11:19:044
2211960991311,2cyclictest0-21swapper/412:03:574
2211960991310,2cyclictest2401822-21cut08:44:024
221196099130,13cyclictest0-21swapper/408:40:064
221196099130,0cyclictest0-21swapper/410:58:594
221197499129,2cyclictest1267-21snmpd11:49:537
221197499129,2cyclictest1267-21snmpd11:09:137
221197499128,3cyclictest2835192-21ntp_states12:24:127
221197499128,3cyclictest1267-21snmpd08:09:317
221197499126,5cyclictest6184-21gvfs-afc-volume08:14:087
221197499122,1cyclictest0-21swapper/711:43:597
221197499121,2cyclictest2846516-21expr12:33:587
221197499121,2cyclictest2777800-21packagekitd12:03:587
2211974991211,0cyclictest0-21swapper/707:29:007
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