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2026-09-05 - 18:05
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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 all highest latencies:
System rack7slot8.osadl.org (updated Sat Sep 05, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3766218028,118sleep00-21swapper/019:06:280
42519910941,51cyclictest10250irq/56-4a10000021:32:470
42519910337,48cyclictest10250irq/56-4a10000022:47:230
42519910259,26cyclictest101ktimersoftd/023:02:120
42519910246,35cyclictest10221-21runrttasks21:39:060
4251999939,20cyclictest25416-21/usr/sbin/munin00:36:280
4251999930,32cyclictest101ktimersoftd/000:17:050
4251999918,37cyclictest29051-21/usr/sbin/munin22:50:470
4251999816,62cyclictest1885-21latency_hist23:10:020
4251999635,12cyclictest101ktimersoftd/022:32:100
4251999546,31cyclictest10150irq/55-4a10000019:41:460
4251999525,31cyclictest1408-21nginx22:39:010
4251999451,33cyclictest6543-21runrttasks21:25:180
4251999445,33cyclictest802-21in:imuxsock19:47:340
4251999345,30cyclictest3650irq/20-4900000021:07:110
4251999335,39cyclictest0-21swapper/020:49:190
4251999334,39cyclictest0-21swapper/019:59:080
4251999328,50cyclictest10250irq/56-4a10000019:15:130
4251999326,48cyclictest11556-21sshd21:41:340
4251999252,24cyclictest101ktimersoftd/020:00:310
4251999232,44cyclictest101ktimersoftd/000:05:330
4251999218,37cyclictest21924-21ntp_states00:25:410
4251999166,10cyclictest101ktimersoftd/023:20:430
4251999069,12cyclictest0-21swapper/019:10:030
4251999054,16cyclictest10150irq/55-4a10000000:20:500
4251999047,33cyclictest19978-21runrttasks20:10:310
4251999021,50cyclictest16248-21wget22:00:120
4251999019,35cyclictest23657-21seq20:25:260
4251998965,11cyclictest101ktimersoftd/021:50:390
4251998944,33cyclictest24871-21diskstats20:30:240
4251998937,15cyclictest12367-21/usr/sbin/munin23:50:220
4251998934,37cyclictest0-21swapper/023:28:090
4251998845,32cyclictest16096-21munin-plugin-st22:00:020
4251998843,33cyclictest101ktimersoftd/022:58:060
4251998830,39cyclictest0-21swapper/022:41:280
4251998814,35cyclictest754-21systemd-journal00:02:540
4251998756,13cyclictest10150irq/55-4a10000019:50:220
4251998748,29cyclictest0-21swapper/021:45:210
4251998744,29cyclictest22611-21grep22:25:160
4251998742,30cyclictest10250irq/56-4a10000020:40:120
4251998738,14cyclictest11613-21sh23:46:220
4251998721,48cyclictest4725-21sshd21:17:590
4251998554,14cyclictest10150irq/55-4a10000022:10:230
4251998460,10cyclictest101ktimersoftd/022:20:440
4251998436,34cyclictest91092chrt23:37:540
4251998431,16cyclictest14341-21runrttasks23:56:450
4251998419,23cyclictest805-21rs:main0
4251998342,24cyclictest0-21swapper/022:16:210
4251998325,41cyclictest0-21swapper/020:59:210
4251998322,48cyclictest18358-21sshd22:08:110
4251998320,33cyclictest1305-21snmpd00:33:260
4251998320,32cyclictest813-21/usr/sbin/munin21:05:030
4251998312,19cyclictest29842-21diskstats20:50:210
4251998310,35cyclictest9815-21memory23:40:320
4251998262,12cyclictest101ktimersoftd/020:15:480
4251998153,12cyclictest101ktimersoftd/019:30:110
4251998149,19cyclictest18618-21runrttasks20:05:170
4251998137,34cyclictest23392-21grep20:25:040
4251998118,29cyclictest27031-21munin-run20:40:030
4251998037,33cyclictest17983-21df_inode00:10:180
4251997933,30cyclictest6874-21wget19:20:110
4251997918,21cyclictest8484-21ntp_states19:25:430
40092795,11sleep04015-21apt-get23:17:010
4251997839,29cyclictest2072-21aten_r7power_po23:10:140
4251997758,11cyclictest101ktimersoftd/019:40:010
425199768,48cyclictest5829-21chrt21:21:390
4251997648,18cyclictest25892sleep021:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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