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2025-11-07 - 19:07
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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 Fri Nov 07, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216162800,58sleep0190250irq/25-eth009:09:560
135902740,0sleep70-21swapper/709:44:407
22632730,2sleep21894499cyclictest12:18:322
222462660,0sleep60-21swapper/611:49:286
222462660,0sleep60-21swapper/611:49:286
214352650,0sleep40-21swapper/409:29:394
49272640,1sleep626028-21postmaster12:19:086
49272640,1sleep626028-21postmaster12:19:086
47932630,0sleep70-21swapper/710:59:067
1680826054,3sleep40-21swapper/407:01:434
90632590,1sleep234-21ksoftirqd/207:24:082
301452550,0sleep70-21swapper/711:54:267
301452550,0sleep70-21swapper/711:54:267
1706824321,17sleep70-21swapper/707:02:107
1389324028,7sleep20-21swapper/206:58:532
1833823824,8sleep30-21swapper/307:03:353
1676623826,7sleep50-21swapper/507:01:285
1599523723,8sleep60-21swapper/606:59:296
1603523623,7sleep10-21swapper/106:59:401
1624323522,7sleep00-21swapper/007:00:270
18943993318,14cyclictest216150irq/32-eth2-TxR08:34:041
1838522920,4sleep30-21swapper/307:03:433
58452270,0sleep40-21swapper/410:00:234
58452270,0sleep40-21swapper/410:00:234
1894399235,16cyclictest25-21ksoftirqd/110:03:471
18943992114,5cyclictest23-21rcuc/108:08:581
1894399211,16cyclictest0-21swapper/108:58:581
257932200,1sleep725799-21munin-plugin-st09:33:427
1895099209,5cyclictest368-21pool-13-thread-10:00:407
1895099209,5cyclictest368-21pool-13-thread-10:00:407
1895099202,17cyclictest22358-21postmaster09:48:457
1894399204,15cyclictest0-21swapper/110:44:151
1894399204,15cyclictest0-21swapper/108:13:521
1894399203,16cyclictest0-21swapper/111:33:531
18943992018,1cyclictest30364-21ssh09:35:361
18943992017,2cyclictest25-21ksoftirqd/110:19:011
18943992016,3cyclictest25-21ksoftirqd/111:44:051
18943992016,3cyclictest23-21rcuc/110:16:131
18943992015,4cyclictest28132-21kworker/1:010:54:071
18943992015,4cyclictest25-21ksoftirqd/109:52:001
18943992015,4cyclictest23-21rcuc/112:27:051
18943992014,3cyclictest25-21ksoftirqd/112:14:141
1894399200,5cyclictest12320-21kworker/1:107:36:061
1894399200,1cyclictest0-21swapper/112:06:031
1894399200,18cyclictest30766-21kworker/1:211:25:031
1895099194,7cyclictest20263-21snmp_nas.osadl.11:08:597
1895099194,7cyclictest20263-21snmp_nas.osadl.11:08:597
1894399193,15cyclictest25-21ksoftirqd/107:04:501
1894399193,15cyclictest241ktimersoftd/111:21:291
1894399193,15cyclictest23-21rcuc/108:48:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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