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2026-06-05 - 09:00
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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 Fri Jun 05, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241052207193,10sleep10-21swapper/119:09:201
219302186170,11sleep30-21swapper/319:05:063
240642182167,11sleep00-21swapper/019:08:470
238522170153,12sleep20-21swapper/219:06:042
324432480,0sleep20-21swapper/223:38:192
308742430,0sleep10-21swapper/100:09:531
87922380,0sleep10-21swapper/121:51:011
17352140,0sleep31715-21awk19:25:183
58682100,0sleep20-21swapper/222:37:262
2432799103,3cyclictest29205-21munin-run00:25:000
243279993,3cyclictest2753-21sendmail-msp23:40:010
243429982,1cyclictest8458-21idleruntime-cro22:55:003
243429982,1cyclictest774-21readlink00:10:183
243429982,1cyclictest13384-21grep19:50:143
243429972,1cyclictest28592-21tune2fs21:45:163
243429972,1cyclictest17100-21ssh22:10:523
243429972,0cyclictest23239-21grep20:10:113
243429971,1cyclictest32192-21ssh00:25:353
243429971,1cyclictest24385-21ssh22:30:203
243429971,1cyclictest10899-21cat22:55:213
243429971,1cyclictest0-21swapper/322:25:123
243379970,6cyclictest0-21swapper/222:20:122
243279971,3cyclictest17312-21munin-run20:00:010
243429962,0cyclictest24197-21rm22:15:043
243429962,0cyclictest20675-21rm23:00:183
243429961,1cyclictest22499-21ssh00:20:513
243429961,1cyclictest12670-21ssh00:16:093
243429960,2cyclictest0-21swapper/322:45:163
243429955,0cyclictest0-21swapper/300:30:253
243429955,0cyclictest0-21swapper/300:30:243
243429950,5cyclictest0-21swapper/323:49:483
243429950,5cyclictest0-21swapper/322:43:203
243429950,5cyclictest0-21swapper/321:23:533
243429950,0cyclictest0-21swapper/323:50:323
243379950,5cyclictest15675-21ssh23:45:282
243379950,4cyclictest7590-21munin-run20:45:012
243379950,0cyclictest0-21swapper/220:45:192
243329951,3cyclictest0-21swapper/123:40:111
243329951,3cyclictest0-21swapper/120:30:111
243329951,2cyclictest0-21swapper/122:25:121
243329951,2cyclictest0-21swapper/122:15:111
243329951,2cyclictest0-21swapper/121:30:121
243329950,5cyclictest0-21swapper/123:49:591
243329950,5cyclictest0-21swapper/123:00:491
243329950,5cyclictest0-21swapper/122:41:361
243329950,5cyclictest0-21swapper/121:20:071
243329950,5cyclictest0-21swapper/100:03:491
243279953,1cyclictest3422-21munin-run22:05:000
243279951,4cyclictest25048-21munin-run23:35:000
243279950,5cyclictest5073-21munin-run21:50:010
243279950,5cyclictest0-21swapper/021:40:210
243279950,5cyclictest0-21swapper/021:30:120
243279950,5cyclictest0-21swapper/000:32:470
243279950,5cyclictest0-21swapper/000:32:470
243279950,4cyclictest19192-21ssh23:00:120
243279950,4cyclictest0-21swapper/020:55:100
243429944,0cyclictest0-21swapper/323:25:043
243429944,0cyclictest0-21swapper/321:13:243
243429943,1cyclictest10647-21grep20:50:113
243429942,1cyclictest2826-21latency_hist20:35:013
243429941,3cyclictest1176-21fschecks_time22:35:143
243429941,2cyclictest0-21swapper/321:05:023
243429940,4cyclictest7659-21apt-get19:40:113
243429940,4cyclictest0-21swapper/323:37:213
243429940,4cyclictest0-21swapper/323:30:113
243429940,4cyclictest0-21swapper/323:20:113
243429940,4cyclictest0-21swapper/323:16:213
243429940,4cyclictest0-21swapper/323:05:113
243429940,4cyclictest0-21swapper/322:05:123
243429940,4cyclictest0-21swapper/322:00:293
243429940,4cyclictest0-21swapper/321:52:153
243429940,4cyclictest0-21swapper/321:32:593
243429940,4cyclictest0-21swapper/321:25:143
243429940,4cyclictest0-21swapper/321:15:123
243429940,4cyclictest0-21swapper/320:40:103
243429940,4cyclictest0-21swapper/320:19:153
243429940,4cyclictest0-21swapper/300:35:303
243429940,4cyclictest0-21swapper/300:05:363
243429940,4cyclictest0-21swapper/300:01:513
243429940,3cyclictest9661-21users20:45:193
243429940,3cyclictest6876-21ssh23:57:333
243429940,3cyclictest17627-21sed21:05:013
243429940,3cyclictest17530-21/usr/sbin/munin21:40:183
243429940,3cyclictest16923-21ssh23:15:003
243429940,0cyclictest0-21swapper/319:39:593
243379944,0cyclictest0-21swapper/222:28:222
243379944,0cyclictest0-21swapper/221:27:142
243379943,1cyclictest2854-21/usr/sbin/munin20:35:182
243379943,1cyclictest13332-21grep00:00:202
243379942,2cyclictest30462-21irqstats23:05:152
243379942,2cyclictest0-21swapper/223:15:122
243379942,1cyclictest802-21snmpd00:37:482
243379942,1cyclictest802-21snmpd00:32:062
243379942,1cyclictest802-21snmpd00:32:062
243379941,3cyclictest802-21snmpd00:20:092
243379941,3cyclictest57150irq/125-eth023:41:502
243379941,2cyclictest0-21swapper/221:00:112
243379941,2cyclictest0-21swapper/219:10:122
243379941,1cyclictest20280-21awk23:00:162
243379940,4cyclictest16388-21sh23:14:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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