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2026-04-25 - 11:03
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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 rack4slot1.osadl.org (updated Fri Apr 24, 2026 21:51:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2232628840,14sleep122327-21/usr/sbin/munin19:12:311
2232628840,14sleep122327-21/usr/sbin/munin19:12:311
2232221640,1sleep012-21ksoftirqd/019:12:300
2232221640,1sleep012-21ksoftirqd/019:12:300
745721390,2sleep10-21swapper/121:16:581
745721390,2sleep10-21swapper/121:16:581
1104021150,2sleep211041-21grep20:07:292
1104021150,2sleep211041-21grep20:07:292
2944521030,3sleep00-21swapper/020:57:190
2944521030,3sleep00-21swapper/020:57:190
2338021000,2sleep10-21swapper/121:32:301
2338021000,2sleep10-21swapper/121:32:301
243932990,3sleep30-21swapper/320:42:273
243932990,3sleep30-21swapper/320:42:273
243932990,3sleep30-21swapper/320:42:273
287072980,3chrt0-21swapper/321:37:313
287072980,3chrt0-21swapper/321:37:313
167382980,3sleep116734-21find20:22:281
167382980,3sleep116734-21find20:22:281
90982970,1sleep012-21ksoftirqd/020:02:280
90982970,1sleep012-21ksoftirqd/020:02:280
22452960,2sleep30-21swapper/321:12:063
22452960,2sleep30-21swapper/321:12:063
280712890,3sleep228068-21find19:27:282
280712890,3sleep228068-21find19:27:282
298312870,3chrt0-21swapper/021:38:520
298312870,3chrt0-21swapper/021:38:520
319212850,2sleep032105-21unixbench_multi19:37:290
319212850,2sleep032105-21unixbench_multi19:37:290
319212850,2sleep032105-21unixbench_multi19:37:290
284212820,3sleep10-21swapper/121:37:291
284212820,3sleep10-21swapper/121:37:291
274112770,4chrt27084-21/usr/sbin/munin19:27:191
274112770,4chrt27084-21/usr/sbin/munin19:27:191
106642640,3sleep30-21swapper/321:19:143
106642640,3sleep30-21swapper/321:19:143
143442630,3sleep222653-21cyclictest20:17:222
143442630,3sleep222653-21cyclictest20:17:222
236352610,2sleep012-21ksoftirqd/019:17:200
236352610,2sleep012-21ksoftirqd/019:17:200
194492550,1sleep012-21ksoftirqd/021:27:590
194492550,1sleep012-21ksoftirqd/021:27:590
194492550,1sleep012-21ksoftirqd/021:27:590
14922520,3sleep30-21swapper/319:42:293
14922520,3sleep30-21swapper/319:42:293
48522500,3chrt0-21swapper/221:13:382
48522500,3chrt0-21swapper/221:13:382
310582490,2sleep131126-21fschecks_count19:37:171
310582490,2sleep131126-21fschecks_count19:37:171
310582490,2sleep131126-21fschecks_count19:37:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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