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2026-09-03 - 08:13
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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 rackaslot8.osadl.org (updated Thu Sep 03, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286102296234,21sleep00-21swapper/019:07:020
287362281251,19sleep20-21swapper/219:08:412
287372271216,19sleep30-21swapper/319:08:423
266372266233,21sleep10-21swapper/119:05:021
253242600,0sleep00-21swapper/023:48:110
179682590,0sleep10-21swapper/121:47:321
299422580,0sleep10-21swapper/100:30:131
130052570,0sleep30-21swapper/321:45:023
75832560,0sleep10-21swapper/121:41:021
12922540,0sleep30-21swapper/322:55:133
266432520,0sleep20-21swapper/222:50:192
126022510,0sleep30-21swapper/323:20:323
126022510,0sleep30-21swapper/323:20:323
187992230,3sleep334-21ksoftirqd/322:45:403
297032190,0sleep20-21swapper/220:20:152
102362190,0sleep00-21swapper/000:18:060
273652180,0sleep20-21swapper/221:15:012
107532170,0sleep20-21swapper/220:50:142
121322160,0sleep30-21swapper/323:40:143
2895799152,10cyclictest20237-21ssh22:08:192
2895799150,1cyclictest32434-21ssh21:55:442
195452150,0sleep20-21swapper/223:45:002
321332140,0sleep30-21swapper/300:11:253
2895799142,7cyclictest20677-21rm00:24:452
2895799120,3cyclictest30869-21ssh22:15:002
2895799120,2cyclictest9139-21cat19:35:152
2895799110,3cyclictest10480-21ssh22:40:402
2895799110,2cyclictest22471-21ssh23:07:372
2895799110,2cyclictest22469-21chrt23:26:432
2895799110,1cyclictest6760-21ssh23:56:032
2895799110,1cyclictest3046-21smart_sda19:20:202
2895799110,1cyclictest13264-21apt-get19:45:022
2895799100,3cyclictest27674-21sh21:15:112
2895799100,3cyclictest19589-21chrt19:58:492
2895799100,3cyclictest10516-21sh00:18:192
2895799100,2cyclictest31933-21ssh00:30:382
2895799100,2cyclictest30598-21diskmemload23:31:312
2895799100,2cyclictest275-21systemd-journal20:04:592
2895799100,2cyclictest18756-21diskmemload00:39:392
2895799100,2cyclictest17496-21dump-pmu-power19:55:002
2895799100,2cyclictest17020-21ssh23:23:552
2895799100,2cyclictest17020-21ssh23:23:552
2895799100,2cyclictest15935-21ssh21:46:002
2895799100,2cyclictest12871-21munin-run21:45:022
2895799100,1cyclictest9402-21ssh23:38:432
2895799100,1cyclictest6949-21irqstats22:00:162
2895799100,1cyclictest27619-21rm22:31:432
2895799100,1cyclictest22089-21ssh22:48:112
2895799100,1cyclictest18496-21chrt00:03:392
2895799100,1cyclictest1-21systemd20:45:072
2895799100,1cyclictest0-21swapper/222:21:522
2895799100,1cyclictest0-21swapper/222:16:482
2894899109,1cyclictest12-21ksoftirqd/022:20:010
2894899106,3cyclictest12-21ksoftirqd/021:10:000
289579992,6cyclictest20774-21grep23:45:152
289579992,6cyclictest1020-21sh23:53:032
289579992,6cyclictest0-21swapper/221:35:092
289579992,3cyclictest22680-21grep00:25:192
289579992,2cyclictest26696-21cpuspeed20:15:122
289579992,2cyclictest23498-21grep20:05:242
289579992,1cyclictest0-21swapper/222:26:352
289579991,2cyclictest18756-21diskmemload21:25:132
289579990,8cyclictest13662-21wc20:55:182
289579990,3cyclictest5930-21sed20:40:142
289579990,3cyclictest275-21systemd-journal20:35:422
289579990,2cyclictest875-21sshd20:30:042
289579990,2cyclictest550-21grep22:35:142
289579990,2cyclictest3840-21/usr/sbin/munin21:20:142
289579990,2cyclictest30056-21taskset19:10:172
289579990,2cyclictest21859-21ssh21:30:182
289579990,2cyclictest20822-21apt-get00:05:152
289579990,2cyclictest16538-21dump-pmu-power21:05:002
289579990,2cyclictest12741-21idleruntime-cro19:45:012
289579990,1cyclictest5637-21ssh23:16:352
289579990,1cyclictest28811-21ssh23:11:072
289529998,1cyclictest22-21ksoftirqd/100:00:001
289529990,8cyclictest10805-21sh22:40:541
1737290,0sleep30-21swapper/323:53:343
289609986,1cyclictest0-21swapper/322:35:103
289579982,5cyclictest16920-21cpuspeed_turbos21:05:122
289579981,1cyclictest4064-21apt19:25:122
289579981,1cyclictest25367-21sh20:10:152
289579980,3cyclictest31335-21ssh00:10:482
289579980,3cyclictest21571-21sh21:50:042
289579980,3cyclictest1148-21ssh22:55:122
289579980,2cyclictest7337-21awk19:30:172
289579980,2cyclictest31920-21munin-node19:15:022
289579980,2cyclictest31669-21sed20:25:122
289579980,2cyclictest10131-21hddtemp_smartct23:00:132
289529985,2cyclictest22-21ksoftirqd/121:20:011
289489987,1cyclictest12-21ksoftirqd/021:05:000
289489986,2cyclictest12-21ksoftirqd/000:40:000
289489980,2cyclictest76-21kswapd022:37:400
22127280,0sleep30-21swapper/321:50:183
32060270,0sleep10-21swapper/122:35:011
289609974,2cyclictest275-21systemd-journal21:59:563
289609974,2cyclictest275-21systemd-journal21:23:143
289609973,3cyclictest9450-21ntpq19:35:163
289609973,3cyclictest275-21systemd-journal23:25:283
289609973,3cyclictest16912-11brltty00:27:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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