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2026-03-23 - 06:34
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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 highest latencies:
System rack4slot1.osadl.org (updated Sun Mar 22, 2026 20:26:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1565525040,1sleep012-21ksoftirqd/019:12:030
1565525040,1sleep012-21ksoftirqd/019:12:030
909121050,3chrt0-21swapper/120:21:461
2693721050,2sleep30-21swapper/319:41:573
2693721050,2sleep30-21swapper/319:41:573
307662700,1chrt12-21ksoftirqd/019:51:590
307662700,1chrt12-21ksoftirqd/019:51:590
157692560,3sleep114247-21ls19:12:091
157692560,3sleep114247-21ls19:12:091
154792506,33sleep215500-21sed19:12:022
154792506,33sleep215500-21sed19:12:022
325822450,3sleep20-21swapper/219:56:562
325822450,3sleep20-21swapper/219:56:562
86772440,5sleep08678-21grep20:21:330
86772440,5sleep08678-21grep20:21:330
168762390,2sleep00-21swapper/019:16:500
168762390,2sleep00-21swapper/019:16:500
37262360,2sleep13090-21/usr/sbin/munin20:06:521
151352333,24sleep30-21swapper/319:11:553
151352333,24sleep30-21swapper/319:11:553
1581399271,3cyclictest0-21swapper/219:31:572
1581399271,3cyclictest0-21swapper/219:31:572
1581299270,5cyclictest30758-21find19:51:581
1581299270,5cyclictest30758-21find19:51:581
15811992612,6cyclictest73-21kswapd019:46:590
15811992612,6cyclictest73-21kswapd019:46:590
38682250,3sleep00-21swapper/020:06:540
1581299253,8cyclictest21-21ksoftirqd/119:16:581
1581299253,8cyclictest21-21ksoftirqd/119:16:581
1581299250,3cyclictest7969-21find20:16:581
1581299250,3cyclictest7969-21find20:16:581
15811992511,5cyclictest26933-21find19:41:580
15811992511,5cyclictest26933-21find19:41:580
1581399246,9cyclictest0-21swapper/219:51:582
1581399246,9cyclictest0-21swapper/219:51:582
1581399245,8cyclictest28839-21grep19:46:582
1581399245,8cyclictest28839-21grep19:46:582
15812992414,5cyclictest131rcu_preempt19:36:581
15812992414,5cyclictest131rcu_preempt19:36:581
15812992414,5cyclictest131rcu_preempt19:36:581
15812992410,7cyclictest21-21ksoftirqd/119:43:191
15812992410,7cyclictest21-21ksoftirqd/119:43:191
1581299239,7cyclictest21-21ksoftirqd/119:23:571
1581299239,7cyclictest21-21ksoftirqd/119:23:571
15811992317,4cyclictest151rcuc/019:22:000
15811992317,4cyclictest151rcuc/019:22:000
1581299218,6cyclictest131rcu_preempt20:16:351
1581299218,11cyclictest1440-21grep20:01:471
1581299218,11cyclictest1440-21grep20:01:471
1581199219,10cyclictest25332-21sshd19:37:300
1581199219,10cyclictest25332-21sshd19:37:300
1581199219,10cyclictest25332-21sshd19:37:300
15811992114,5cyclictest32581-21switchtime19:56:560
15811992114,5cyclictest32581-21switchtime19:56:560
1581199211,17cyclictest2154-21find20:01:570
1581199211,17cyclictest2154-21find20:01:570
1581199211,10cyclictest10745-21latency_hist20:26:390
176222200,9sleep227-21ksoftirqd/219:17:002
176222200,9sleep227-21ksoftirqd/219:17:002
1581199209,9cyclictest6215-21unixbench_multi20:11:580
75522190,3sleep30-21swapper/320:16:503
75522190,3sleep30-21swapper/320:16:503
1581499191,14cyclictest0-21swapper/319:21:573
1581499191,14cyclictest0-21swapper/319:21:573
1581399195,8cyclictest5198-21fschecks_count20:11:462
15813991914,4cyclictest0-21swapper/219:41:572
15813991914,4cyclictest0-21swapper/219:41:572
15813991910,2cyclictest27-21ksoftirqd/220:01:582
15813991910,2cyclictest27-21ksoftirqd/220:01:582
1581299192,14cyclictest20394-21/usr/sbin/munin19:26:461
15812991910,7cyclictest21-21ksoftirqd/119:51:411
15812991910,7cyclictest21-21ksoftirqd/119:51:411
1581199191,10cyclictest22013-21latency_hist19:31:360
13622190,9sleep333-21ksoftirqd/320:01:473
13622190,9sleep333-21ksoftirqd/320:01:473
1581399188,8cyclictest20433-21tune2fs19:26:472
1581399186,10cyclictest27-21ksoftirqd/220:16:582
1581399186,10cyclictest27-21ksoftirqd/220:16:582
1581399181,3cyclictest9920-21find20:21:572
15813991811,5cyclictest0-21swapper/219:36:552
15813991811,5cyclictest0-21swapper/219:36:552
15813991811,5cyclictest0-21swapper/219:36:552
1581399181,14cyclictest19556-21tail19:22:012
1581399181,14cyclictest19556-21tail19:22:012
1581299179,6cyclictest0-21swapper/119:31:491
1581299179,6cyclictest0-21swapper/119:31:491
15812991713,3cyclictest0-21swapper/119:56:461
15812991713,3cyclictest0-21swapper/119:56:461
1581199171,13cyclictest22979-21awk19:31:550
1581199171,13cyclictest22979-21awk19:31:550
1581399161,12cyclictest3513-21irqstats20:06:492
1581499151,9cyclictest0-21swapper/319:31:553
1581499151,9cyclictest0-21swapper/319:31:553
1581499147,5cyclictest33-21ksoftirqd/319:59:063
1581499147,5cyclictest33-21ksoftirqd/319:59:063
1581499143,8cyclictest0-21swapper/319:51:583
1581499143,8cyclictest0-21swapper/319:51:583
1581499141,7cyclictest0-21swapper/320:11:403
1581499132,9cyclictest0-21swapper/319:46:593
1581499132,9cyclictest0-21swapper/319:46:593
1581499131,9cyclictest5732-21chrt20:11:523
1581499131,9cyclictest20780-21taskset19:26:493
1581499122,8cyclictest0-21swapper/320:21:583
1581499122,8cyclictest0-21swapper/319:16:593
1581499122,8cyclictest0-21swapper/319:16:593
1581499121,9cyclictest0-21swapper/319:36:453
1581499121,9cyclictest0-21swapper/319:36:453
1581499121,9cyclictest0-21swapper/319:36:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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