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2025-11-30 - 23:55
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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 Nov 30, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208312205190,10sleep10-21swapper/107:08:271
209242190174,11sleep30-21swapper/307:09:393
208152189171,13sleep00-21swapper/007:08:150
209182179162,12sleep20-21swapper/207:09:332
207512450,0sleep00-21swapper/009:43:560
195912430,0sleep10-21swapper/109:59:421
119592420,0sleep30-21swapper/311:15:593
188442130,0sleep30-21swapper/311:52:183
2113799101,7cyclictest0-21swapper/210:35:142
14052100,0sleep10-21swapper/111:43:471
211349982,3cyclictest20130-21awk10:00:020
211349980,4cyclictest31903-21awk08:35:010
211349973,4cyclictest13200-21cron11:50:010
211349971,3cyclictest7763-21basename10:10:000
211349970,3cyclictest15868-21munin-run11:35:010
211419960,6cyclictest0-21swapper/311:00:113
211419960,5cyclictest0-21swapper/312:25:013
211359961,3cyclictest0-21swapper/110:45:131
211359961,3cyclictest0-21swapper/109:35:121
211349960,3cyclictest799-21awk10:55:010
211349960,3cyclictest598-21sendmail-msp12:00:000
211419955,0cyclictest40-21ksoftirqd/309:05:023
211419955,0cyclictest40-21ksoftirqd/308:45:013
211419955,0cyclictest21381-21kworker/3:209:44:433
211419955,0cyclictest21381-21kworker/3:209:33:323
211419955,0cyclictest16942-21kworker/3:009:11:073
211419955,0cyclictest16942-21kworker/3:007:52:453
211419955,0cyclictest0-21swapper/310:49:563
211419954,1cyclictest40-21ksoftirqd/312:25:003
211419950,5cyclictest0-21swapper/312:39:213
211419950,4cyclictest26424-21apt-get11:40:153
211419950,3cyclictest0-21swapper/309:46:503
211379952,3cyclictest1165-21ssh10:55:062
211379952,2cyclictest28594-21ssh10:20:152
211379950,5cyclictest0-21swapper/212:35:132
211379950,5cyclictest0-21swapper/210:30:502
211379950,5cyclictest0-21swapper/210:09:182
211379950,5cyclictest0-21swapper/209:23:192
211379950,5cyclictest0-21swapper/209:17:212
211379950,4cyclictest0-21swapper/208:35:122
211359951,3cyclictest0-21swapper/112:00:141
211359951,2cyclictest0-21swapper/111:35:131
211359951,2cyclictest0-21swapper/107:50:131
211359951,2cyclictest0-21swapper/107:40:151
211359951,2cyclictest0-21swapper/107:15:131
211359950,5cyclictest0-21swapper/112:32:181
211359950,5cyclictest0-21swapper/110:25:331
211349950,5cyclictest0-21swapper/012:00:280
211349950,5cyclictest0-21swapper/010:59:030
211349950,5cyclictest0-21swapper/008:55:140
211349950,0cyclictest0-21swapper/011:05:020
211349950,0cyclictest0-21swapper/009:17:130
10844250,0sleep00-21swapper/007:50:170
26920240,0sleep10-21swapper/111:56:081
211419944,0cyclictest5380-21kworker/3:112:32:393
211419944,0cyclictest40-21ksoftirqd/310:05:023
211419944,0cyclictest21381-21kworker/3:210:40:443
211419944,0cyclictest21381-21kworker/3:209:55:563
211419944,0cyclictest0-21swapper/312:08:303
211419944,0cyclictest0-21swapper/310:18:483
211419944,0cyclictest0-21swapper/310:11:213
211419943,1cyclictest40-21ksoftirqd/307:20:163
211419943,1cyclictest27871-21grep09:15:163
211419943,1cyclictest19738-21/usr/sbin/munin08:10:203
211419941,3cyclictest714-21snmpd09:08:463
211419940,4cyclictest28865-21/usr/sbin/munin11:25:203
211419940,4cyclictest1965-21/usr/sbin/munin07:35:203
211419940,4cyclictest15212-21ssh11:34:363
211419940,4cyclictest0-21swapper/312:12:153
211419940,4cyclictest0-21swapper/311:55:133
211419940,4cyclictest0-21swapper/311:20:143
211419940,4cyclictest0-21swapper/310:36:483
211419940,4cyclictest0-21swapper/310:27:343
211419940,4cyclictest0-21swapper/308:26:443
211419940,4cyclictest0-21swapper/308:08:423
211419940,4cyclictest0-21swapper/307:30:113
211419940,3cyclictest6987-21apt-config07:45:013
211419940,3cyclictest4539-21ssh09:51:323
211419940,3cyclictest3581-21sh11:45:023
211419940,3cyclictest3327-21sh12:00:263
211419940,3cyclictest28516-21sh10:20:123
211419940,3cyclictest24682-21cut08:20:013
211419940,3cyclictest2408-21irqstats10:55:173
211419940,3cyclictest16009-21perl09:25:153
211419940,3cyclictest15083-21diskstats08:00:143
211419940,3cyclictest0-21swapper/311:35:133
211419940,3cyclictest0-21swapper/308:35:013
211419940,1cyclictest31359-21/usr/sbin/munin11:10:183
211379944,0cyclictest0-21swapper/212:12:592
211379944,0cyclictest0-21swapper/211:32:322
211379944,0cyclictest0-21swapper/210:50:032
211379943,1cyclictest19813-21cut11:20:162
211379940,4cyclictest5503-21ssh12:01:492
211379940,4cyclictest27971-21ssh11:56:482
211379940,4cyclictest0-21swapper/212:30:102
211379940,4cyclictest0-21swapper/212:25:122
211379940,4cyclictest0-21swapper/212:06:362
211379940,4cyclictest0-21swapper/211:43:212
211379940,4cyclictest0-21swapper/211:16:262
211379940,4cyclictest0-21swapper/211:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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