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2026-03-15 - 22:00
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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 rack7slot8.osadl.org (updated Sun Mar 15, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3247022246155,1732sleep032408-21kworker/0:307:09:120
326369911491,14cyclictest0-21swapper/007:10:040
1888821075,13sleep018923-21cat12:35:430
2336421015,11sleep023366-21fw_forwarded_lo08:40:270
57432976,12sleep05773-21find09:35:490
106672975,12sleep010705-21mailstats09:55:470
32636999553,26cyclictest101ktimersoftd/009:27:090
158942945,13sleep00-21swapper/012:25:120
32636999354,23cyclictest0-21swapper/012:16:290
32636999332,41cyclictest0-21swapper/011:01:080
32636999235,43cyclictest0-21swapper/012:05:390
32636999151,26cyclictest101ktimersoftd/008:35:100
90092894,7sleep00-21swapper/007:42:340
32636998840,31cyclictest1835-21apt-key11:30:230
32636998838,35cyclictest203852chrt08:29:010
32636998758,13cyclictest101ktimersoftd/009:15:020
32636998755,18cyclictest10659-21runrttasks07:50:120
32636998742,30cyclictest3650irq/20-4900000012:02:130
88772865,12sleep01305-21snmpd11:57:460
32636998638,38cyclictest4626-21sshd09:31:220
91102854,12sleep00-21swapper/009:50:200
32636998547,27cyclictest0-21swapper/010:50:210
32636998539,30cyclictest31898-21cut11:20:460
32636998530,40cyclictest0-21swapper/010:00:550
32636998528,42cyclictest0-21swapper/007:29:130
287222855,11sleep028723-21/usr/sbin/munin11:10:020
32636998458,11cyclictest101ktimersoftd/009:00:310
32636998446,28cyclictest0-21swapper/007:45:100
32636998446,27cyclictest0-21swapper/011:35:220
3263699844,60cyclictest25285-21seq10:55:180
32636998439,13cyclictest25486-21apt-get08:50:020
32636998435,33cyclictest101ktimersoftd/011:25:290
32636998433,16cyclictest6940-21open_files07:35:410
32636998358,11cyclictest101ktimersoftd/009:05:340
32636998355,12cyclictest101ktimersoftd/011:17:060
32636998351,15cyclictest101ktimersoftd/008:52:120
32636998347,25cyclictest0-21swapper/010:05:290
32636998342,28cyclictest3650irq/20-4900000008:20:230
32636998334,33cyclictest101ktimersoftd/007:17:080
3263699828,21cyclictest17853-21diskstats10:25:240
32636998258,10cyclictest101ktimersoftd/009:20:400
32636998238,29cyclictest10250irq/56-4a10000012:24:270
32636998222,41cyclictest1408-21nginx09:49:020
124622826,63sleep012463-21memory12:10:350
32636998153,12cyclictest10150irq/55-4a10000007:30:100
32636998126,18cyclictest20151-21aten_r7power_en10:35:120
32636998050,14cyclictest10150irq/55-4a10000008:05:260
32636998045,25cyclictest0-21swapper/009:40:230
32636998033,32cyclictest101ktimersoftd/010:30:180
32636997951,13cyclictest10150irq/55-4a10000011:40:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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