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2026-01-03 - 07:30
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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 rack7slot8.osadl.org (updated Sat Jan 03, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1755218325,131sleep01807-21/usr/sbin/munin19:05:140
28829911043,29cyclictest0-21swapper/020:25:220
4333210811,11sleep04334-21fw_forwarded_lo23:30:320
151021065,11sleep01511-21memory21:10:310
2963221035,11sleep029633-21users23:00:510
2785121015,83sleep027891-21cpu22:55:150
268621015,11sleep02688-21fw_conntrack21:15:240
2869821005,82sleep028737-21wget20:50:140
218952976,77sleep021896-21irqstats22:30:550
200032960,7sleep020006-21aten_r7power_po22:25:150
126702965,11sleep012671-21fw_forwarded_lo21:55:280
185272955,11sleep018529-21fw_conntrack20:10:250
197492945,11sleep019751-21irqstats00:30:340
242792935,11sleep024280-21fw_forwarded_lo22:40:260
1210429311,69sleep0111rcu_preempt19:45:420
115892936,74sleep011587-21ntp_states21:50:400
288299917,44cyclictest23170-21apt-get20:32:100
2882999147,30cyclictest3650irq/20-4900000000:27:130
271332916,74sleep027134-21users22:50:500
108402916,73sleep010838-21ntp_states19:40:370
69612905,11sleep06972-21ntp_states23:40:370
165532905,73sleep015301-21apt-get20:01:460
2882998927,50cyclictest0-21swapper/000:03:420
108672885,72sleep010897-21find23:55:510
2882998741,30cyclictest10250irq/56-4a10000023:38:500
2882998740,14cyclictest10250irq/56-4a10000021:06:470
2882998650,18cyclictest31547-21aten_r7power_en23:10:150
2882998639,15cyclictest10250irq/56-4a10000021:31:520
312328518,54sleep0101ktimersoftd/023:25:290
2882998524,14cyclictest16451-21latency_hist00:20:040
2882998440,30cyclictest17154-21runrttasks20:05:170
2882998435,31cyclictest21174-21/usr/sbin/munin20:20:360
132222846,67sleep013223-21ntp_states00:05:410
2882998338,29cyclictest19866-21netstat20:15:360
2882998336,32cyclictest10250irq/56-4a10000021:26:510
2882998336,32cyclictest10250irq/56-4a10000021:01:450
2882998230,14cyclictest1276-21runrttasks20:46:090
288299818,20cyclictest9275-21diskstats23:50:230
2882998136,31cyclictest101ktimersoftd/022:15:250
2882998134,14cyclictest10250irq/56-4a10000022:11:590
2882998133,15cyclictest10250irq/56-4a10000022:37:030
2882998121,48cyclictest0-21swapper/019:14:150
2882998050,13cyclictest10150irq/55-4a10000023:20:340
2882998049,19cyclictest13794-21runrttasks19:52:470
2882998040,25cyclictest3650irq/20-4900000022:45:380
2882998038,29cyclictest10250irq/56-4a10000023:17:550
288299797,20cyclictest20902-21diskstats00:35:260
2882997961,11cyclictest101ktimersoftd/019:40:020
2882997959,12cyclictest101ktimersoftd/020:55:210
2882997950,18cyclictest4592-21/usr/sbin/munin19:15:400
2882997945,26cyclictest0-21swapper/021:40:220
2882997944,25cyclictest101ktimersoftd/020:38:270
2882997933,29cyclictest26777-21seq20:40:470
2882997860,10cyclictest101ktimersoftd/019:55:400
2882997852,16cyclictest8223-21/usr/sbin/munin19:30:310
2882997840,25cyclictest3650irq/20-4900000022:00:170
2882997835,27cyclictest3650irq/20-4900000023:05:160
2882997747,13cyclictest10150irq/55-4a10000019:25:360
2882997735,31cyclictest4105-21runrttasks21:20:370
288299766,33cyclictest15488-21systemctl22:05:470
2882997645,13cyclictest10150irq/55-4a10000000:20:230
2882997634,28cyclictest3650irq/20-4900000023:45:230
288299757,18cyclictest18895-21diskstats22:20:250
2882997441,15cyclictest10150irq/55-4a10000019:20:120
2882997428,32cyclictest101ktimersoftd/000:10:200
2882997426,31cyclictest805-21rs:main0
2882997332,14cyclictest7698-21/usr/sbin/munin21:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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