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2026-03-15 - 06:43
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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 rack5slot2.osadl.org (updated Sun Mar 15, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174322187167,14sleep00-21swapper/019:06:460
175422185168,12sleep30-21swapper/319:08:143
175452176160,11sleep10-21swapper/119:08:161
174542170152,13sleep20-21swapper/219:07:032
109712440,0sleep10-21swapper/121:05:011
96092430,0sleep00-21swapper/022:41:090
245582410,0sleep00-21swapper/021:15:130
283452380,0sleep30-21swapper/323:21:593
136162380,0sleep10-21swapper/121:10:061
187872320,0sleep10-21swapper/100:05:131
62052110,0sleep30-21swapper/323:42:573
30588290,0sleep10-21swapper/121:49:171
31956250,0sleep20-21swapper/221:34:212
22615250,0sleep30-21swapper/323:50:293
178739955,0cyclictest7346-21kworker/3:122:09:523
178739955,0cyclictest0-21swapper/322:39:413
178739950,5cyclictest0-21swapper/323:10:323
178739950,5cyclictest0-21swapper/323:06:023
178739950,5cyclictest0-21swapper/322:20:103
178699955,0cyclictest17439-21ps20:10:182
178699955,0cyclictest0-21swapper/200:27:422
178699950,4cyclictest236812chrt19:20:012
178699950,0cyclictest0-21swapper/222:40:112
178699950,0cyclictest0-21swapper/200:16:132
178679951,2cyclictest0-21swapper/121:40:111
178679951,2cyclictest0-21swapper/120:40:111
178679951,2cyclictest0-21swapper/100:30:121
178679951,2cyclictest0-21swapper/100:30:111
178679950,5cyclictest0-21swapper/123:42:451
178679950,0cyclictest0-21swapper/121:55:141
178669951,3cyclictest0-21swapper/019:10:120
178669951,2cyclictest0-21swapper/021:45:110
178669950,5cyclictest0-21swapper/023:44:030
178669950,5cyclictest0-21swapper/023:20:110
178669950,5cyclictest0-21swapper/022:13:420
178669950,0cyclictest4023-21ssh22:39:010
178669950,0cyclictest0-21swapper/000:13:000
5307240,0sleep10-21swapper/123:58:321
4675240,0sleep10-21swapper/122:07:391
178739944,0cyclictest7346-21kworker/3:120:40:153
178739942,1cyclictest29493-21smartctl00:10:143
178739942,1cyclictest20715-21memory22:15:183
178739941,3cyclictest0-21swapper/319:45:133
178739941,2cyclictest21069-21expr22:00:133
178739941,1cyclictest0-21swapper/321:30:123
178739940,4cyclictest17282-21ntp_states20:10:173
178739940,4cyclictest13263-21diskmemload21:35:123
178739940,4cyclictest0-21swapper/323:55:113
178739940,4cyclictest0-21swapper/323:35:123
178739940,4cyclictest0-21swapper/323:16:023
178739940,4cyclictest0-21swapper/322:48:463
178739940,4cyclictest0-21swapper/322:40:033
178739940,4cyclictest0-21swapper/321:55:123
178739940,4cyclictest0-21swapper/321:54:533
178739940,4cyclictest0-21swapper/321:40:373
178739940,4cyclictest0-21swapper/321:25:333
178739940,4cyclictest0-21swapper/321:10:123
178739940,4cyclictest0-21swapper/319:35:113
178739940,4cyclictest0-21swapper/319:10:123
178739940,4cyclictest0-21swapper/300:35:593
178739940,4cyclictest0-21swapper/300:24:103
178739940,4cyclictest0-21swapper/300:05:123
178739940,4cyclictest0-21swapper/300:00:533
178739940,3cyclictest9359-21systemctl22:25:193
178739940,3cyclictest9111-21diskstats19:55:123
178739940,3cyclictest5503-21hddtemp_smartct22:55:123
178739940,3cyclictest4396-21ssh00:30:123
178739940,3cyclictest4396-21ssh00:30:123
178739940,3cyclictest28336-21ssh00:25:193
178739940,3cyclictest28002-21cat22:35:013
178739940,3cyclictest27228-21cut22:50:143
178739940,3cyclictest26803-21ssh21:15:373
178739940,3cyclictest25935-21ssh21:46:283
178739940,3cyclictest13454-21ssh23:46:073
178739940,3cyclictest1316-21rm23:25:013
178739940,3cyclictest1165-21/usr/sbin/munin19:40:133
178739940,3cyclictest11162-21ssh00:17:033
178739940,3cyclictest11071-21apt-get20:00:113
178739940,3cyclictest0-21swapper/320:30:113
178739940,1cyclictest20431-21munin-node22:10:113
178739940,0cyclictest0-21swapper/320:45:103
178699944,0cyclictest0-21swapper/222:15:272
178699943,1cyclictest57250irq/130-eth023:05:122
178699943,1cyclictest18487-21/usr/sbin/munin20:15:132
178699942,1cyclictest3663-21ntp_states21:20:152
178699942,1cyclictest27077-21cat19:25:162
178699940,4cyclictest0-21swapper/223:52:102
178699940,4cyclictest0-21swapper/223:38:552
178699940,4cyclictest0-21swapper/222:29:272
178699940,4cyclictest0-21swapper/222:03:392
178699940,4cyclictest0-21swapper/221:56:342
178699940,4cyclictest0-21swapper/221:48:522
178699940,4cyclictest0-21swapper/219:55:112
178699940,4cyclictest0-21swapper/219:53:522
178699940,4cyclictest0-21swapper/200:35:102
178699940,4cyclictest0-21swapper/200:21:562
178699940,4cyclictest0-21swapper/200:10:112
178699940,3cyclictest8916-21sh22:10:052
178699940,3cyclictest27366-21expr22:50:142
178699940,3cyclictest25697-21munin-run20:30:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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