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2025-12-17 - 17:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 50 highest latencies:
System rack0slot1.osadl.org (updated Wed Dec 17, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2897521090,0sleep40-21swapper/411:14:184
2894921010,0sleep30-21swapper/311:53:423
52752600,0sleep40-21swapper/410:59:444
2825026028,17sleep60-21swapper/607:08:366
160112600,1sleep116010-21snmp_nas.osadl.07:59:571
314792590,0sleep50-21swapper/508:15:075
2871224229,7sleep70-21swapper/707:09:257
2882023826,7sleep30-21swapper/307:09:373
2803623725,7sleep00-21swapper/007:07:580
2876623624,7sleep50-21swapper/507:09:315
2801523623,7sleep40-21swapper/407:07:544
2792523624,7sleep20-21swapper/207:07:442
2790723624,7sleep10-21swapper/107:07:431
117602300,1sleep011224-21postmaster07:23:110
2980899250,1cyclictest0-21swapper/110:34:581
2980899240,23cyclictest0-21swapper/111:41:491
2981099220,8cyclictest21853-21ssh11:49:433
2980799221,8cyclictest186650irq/25-eth008:34:580
2981199214,4cyclictest15554-21kworker/4:208:34:234
29814992017,2cyclictest8257-21postmaster07:52:357
29810992018,1cyclictest43-21ksoftirqd/312:28:313
29810992018,1cyclictest43-21ksoftirqd/312:28:313
29809992015,1cyclictest331ktimersoftd/210:43:342
2981199194,3cyclictest50-21rcuc/409:52:234
29811991918,0cyclictest0-21swapper/408:52:034
29811991918,0cyclictest0-21swapper/408:52:034
29811991917,1cyclictest52-21ksoftirqd/410:28:064
2980999192,1cyclictest32-21rcuc/212:18:212
29809991916,2cyclictest23321-21kworker/2:009:45:002
29809991915,3cyclictest32-21rcuc/207:39:282
29809991915,2cyclictest34-21ksoftirqd/211:42:192
29809991914,1cyclictest11213-21kworker/2:111:11:172
29809991913,5cyclictest34-21ksoftirqd/208:22:142
29809991913,2cyclictest32-21rcuc/207:46:562
29809991912,6cyclictest34-21ksoftirqd/209:13:382
2980999191,12cyclictest34-21ksoftirqd/209:39:582
2981399180,15cyclictest0-21swapper/611:58:096
29811991815,1cyclictest16836-21kworker/4:009:11:074
29811991814,3cyclictest0-21swapper/408:17:134
29809991816,1cyclictest34-21ksoftirqd/212:08:262
29809991816,1cyclictest34-21ksoftirqd/209:37:562
29809991814,3cyclictest8817-21kworker/2:010:25:542
29809991813,3cyclictest34-21ksoftirqd/212:22:532
29809991813,3cyclictest34-21ksoftirqd/209:07:282
29809991813,3cyclictest34-21ksoftirqd/208:07:162
29809991813,2cyclictest34-21ksoftirqd/211:07:352
29809991812,4cyclictest34-21ksoftirqd/208:28:442
29809991812,4cyclictest34-21ksoftirqd/207:12:142
29809991812,4cyclictest32-21rcuc/210:17:022
2980999180,16cyclictest331ktimersoftd/210:07:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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