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2025-12-07 - 21:05
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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 100 highest latencies:
System rack0slot1.osadl.org (updated Sun Dec 07, 2025 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223612600,0sleep30-21swapper/312:20:443
142562600,0sleep60-21swapper/611:16:546
284792580,3sleep7215950irq/30-eth2-TxR09:47:077
284792580,3sleep7215950irq/30-eth2-TxR09:47:077
2595124922,8sleep20-21swapper/207:00:492
269722450,0sleep20-21swapper/208:37:092
2567724520,7sleep50-21swapper/507:00:285
2497823926,7sleep70-21swapper/706:58:467
2461623822,9sleep30-21swapper/306:57:293
2497323724,7sleep60-21swapper/606:58:456
2482923724,7sleep40-21swapper/406:58:024
2546123624,7sleep00-21swapper/006:59:350
2494523623,7sleep10-21swapper/106:58:321
264752300,0sleep30-21swapper/309:45:593
264752300,0sleep30-21swapper/309:45:593
2760899224,17cyclictest0-21swapper/207:22:102
207732220,1sleep30-21swapper/310:22:043
2760899214,16cyclictest0-21swapper/207:29:442
227642210,0sleep60-21swapper/610:42:186
227642210,0sleep60-21swapper/610:42:186
165232210,0sleep6691ktimersoftd/611:57:086
27610992018,1cyclictest52-21ksoftirqd/410:07:174
2761099200,16cyclictest374-21portstat_300011:47:134
2761099200,16cyclictest374-21portstat_300011:47:134
2761099200,15cyclictest7433-21kworker/4:009:39:064
2761099200,15cyclictest7433-21kworker/4:009:39:064
27608992014,5cyclictest14150irq/24-ahci[00010:17:532
27608992013,6cyclictest2918-21snmpd12:06:242
27608992012,7cyclictest23621-21cat11:22:112
2760899200,19cyclictest0-21swapper/211:27:202
215692200,0sleep40-21swapper/411:01:464
215692200,0sleep40-21swapper/411:01:464
2761199193,1cyclictest0-21swapper/512:17:405
27610991917,1cyclictest50-21rcuc/410:05:374
27610991915,2cyclictest52-21ksoftirqd/409:17:074
27610991915,2cyclictest52-21ksoftirqd/409:17:074
2760799194,7cyclictest0-21swapper/109:08:061
2760799194,7cyclictest0-21swapper/109:08:061
199292190,0sleep50-21swapper/511:00:035
199292190,0sleep50-21swapper/511:00:035
27610991816,1cyclictest50-21rcuc/412:13:074
27610991814,2cyclictest52-21ksoftirqd/407:06:424
2761099181,15cyclictest52-21ksoftirqd/409:25:104
2761099180,1cyclictest0-21swapper/407:58:084
2760899181,4cyclictest0-21swapper/209:21:532
2760899181,4cyclictest0-21swapper/209:21:532
2760899180,5cyclictest0-21swapper/212:31:532
2760799183,7cyclictest0-21swapper/108:36:301
2760799183,7cyclictest0-21swapper/108:36:301
27607991814,2cyclictest17717-21perf09:01:541
2760699184,8cyclictest22675-21awk11:41:540
27606991813,3cyclictest0-21swapper/008:52:100
273882186,7sleep50-21swapper/507:01:565
2761399178,6cyclictest2465-21openvpn07:10:277
2761299170,1cyclictest0-21swapper/610:22:246
2761299170,1cyclictest0-21swapper/610:22:246
2761199170,1cyclictest0-21swapper/509:46:245
2761199170,1cyclictest0-21swapper/509:46:245
27610991715,1cyclictest52-21ksoftirqd/410:17:184
27610991715,1cyclictest52-21ksoftirqd/408:16:544
27610991715,1cyclictest0-21swapper/411:15:394
27610991714,1cyclictest52-21ksoftirqd/407:16:434
2761099170,16cyclictest0-21swapper/409:45:264
2761099170,16cyclictest0-21swapper/409:45:264
2760899179,7cyclictest9702-21Poller-Thread-110:52:502
2760899179,7cyclictest9702-21Poller-Thread-110:52:502
2760899172,2cyclictest0-21swapper/208:22:092
2760799173,6cyclictest9193-21JNI-ICMP-21862-07:37:221
27606991713,3cyclictest9469-21postmaster07:31:410
27613991613,2cyclictest2918-21snmpd07:26:237
27613991613,1cyclictest0-21swapper/707:20:387
27612991613,2cyclictest5173-21awk09:52:116
2761299160,14cyclictest0-21swapper/608:12:136
27611991613,2cyclictest2918-21snmpd11:35:095
27610991614,1cyclictest52-21ksoftirqd/411:27:374
27610991614,1cyclictest52-21ksoftirqd/411:17:304
27610991614,1cyclictest52-21ksoftirqd/411:17:304
27610991614,1cyclictest52-21ksoftirqd/409:52:064
27610991614,1cyclictest52-21ksoftirqd/409:32:094
27610991614,1cyclictest52-21ksoftirqd/407:46:494
27610991614,1cyclictest0-21swapper/411:37:594
27610991614,1cyclictest0-21swapper/407:55:504
27610991613,2cyclictest52-21ksoftirqd/409:57:074
27610991613,2cyclictest52-21ksoftirqd/407:21:434
27610991613,2cyclictest2918-21snmpd08:56:234
27610991612,3cyclictest511ktimersoftd/410:54:334
27610991612,3cyclictest511ktimersoftd/410:54:334
2761099160,2cyclictest0-21swapper/409:04:404
2761099160,1cyclictest0-21swapper/409:07:314
2761099160,1cyclictest0-21swapper/409:07:314
2761099160,15cyclictest50-21rcuc/411:23:054
2761099160,15cyclictest0-21swapper/411:32:454
2761099160,15cyclictest0-21swapper/409:14:184
2761099160,15cyclictest0-21swapper/409:14:184
2761099160,14cyclictest0-21swapper/410:29:034
2761099160,14cyclictest0-21swapper/410:12:144
27609991613,2cyclictest2918-21snmpd11:05:393
27609991613,2cyclictest2918-21snmpd11:05:393
2760899162,2cyclictest0-21swapper/210:47:132
27608991613,2cyclictest0-21swapper/210:02:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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