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2026-08-03 - 22:55
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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 Mon Aug 03, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19053214360,11sleep019054-21irqstats19:05:240
1995699128104,15cyclictest241482sleep023:35:490
447321025,13sleep04386-21apt-get22:17:480
755221004,83sleep07556-21df22:30:180
415121005,12sleep03226-21apt-get20:11:070
147221006,11sleep032666-21apt-get22:06:480
251492997,11sleep025158-21memory23:40:430
19956999939,41cyclictest0-21swapper/020:28:440
19956999837,47cyclictest10250irq/56-4a10000021:41:370
134792986,11sleep013481-21munin-run22:55:030
19956999765,22cyclictest6886-21dmidecode00:34:020
19956999750,29cyclictest27509-21/usr/sbin/munin23:50:270
301402965,12sleep030142-21memory00:00:320
326632956,78sleep032686-21mailstats19:56:330
215122957,11sleep021510-21ntp_states23:25:550
62762945,11sleep06316-21aten_r7power_po20:20:130
19956999451,25cyclictest0-21swapper/019:23:290
23172928,66sleep0101ktimersoftd/020:05:240
19956999247,30cyclictest3650irq/20-4900000000:25:300
19956999239,38cyclictest0-21swapper/019:18:280
160652920,6sleep016063-21grep23:05:040
19956999138,16cyclictest14439-21runrttasks20:50:550
19956999058,16cyclictest8970-21if_err_eth020:30:280
19956999056,22cyclictest8523-21seq00:37:160
19956998927,29cyclictest26350-21interrupts23:45:310
19956998845,28cyclictest3650irq/20-4900000000:17:300
19956998840,29cyclictest24100-21apt-config19:25:160
301472875,12sleep00-21swapper/019:48:580
19956998447,26cyclictest0-21swapper/021:35:110
19956998436,16cyclictest18125-21runrttasks21:05:320
1079628417,12sleep01608-21ntpd20:37:370
19956998362,12cyclictest101ktimersoftd/021:50:490
19956998246,26cyclictest0-21swapper/023:15:230
19956998230,19cyclictest14443-21runrttasks22:57:470
19956998055,10cyclictest101ktimersoftd/020:00:240
19956998050,14cyclictest10150irq/55-4a10000000:10:190
19956998046,16cyclictest10150irq/55-4a10000022:48:190
19956998044,25cyclictest0-21swapper/022:20:100
1995699797,33cyclictest10260-21ntp_states22:40:420
19956997961,10cyclictest101ktimersoftd/019:35:200
19956997951,14cyclictest10150irq/55-4a10000023:10:410
19956997950,13cyclictest10150irq/55-4a10000020:50:040
19956997948,15cyclictest22825-21munin-node21:25:110
19956997940,22cyclictest0-21swapper/021:03:520
19956997933,13cyclictest10250irq/56-4a10000023:08:470
19956997929,37cyclictest0-21swapper/019:40:350
1995699788,17cyclictest5278-21memory20:15:320
19956997848,14cyclictest10150irq/55-4a10000000:05:220
19956997848,13cyclictest10150irq/55-4a10000021:45:210
19956997841,27cyclictest0-21swapper/020:40:210
19956997841,26cyclictest0-21swapper/022:35:150
19956997834,29cyclictest3650irq/20-4900000021:20:380
19956997827,35cyclictest101ktimersoftd/019:30:170
19956997748,12cyclictest10150irq/55-4a10000022:25:230
19956997747,14cyclictest10150irq/55-4a10000021:10:260
19956997745,22cyclictest29699-21sendmail-msp00:00:030
207792765,13sleep01608-21ntpd19:11:520
1995699766,56cyclictest15417-21wget20:55:160
19956997646,20cyclictest23543-21latency_hist23:35:040
19956997556,11cyclictest101ktimersoftd/021:15:190
19956997546,12cyclictest10150irq/55-4a10000022:10:400
19956997544,13cyclictest10150irq/55-4a10000021:32:410
19956997523,40cyclictest0-21swapper/000:24:010
19956997446,12cyclictest10150irq/55-4a10000021:55:170
19956997444,13cyclictest10150irq/55-4a10000023:20:340
19956997345,12cyclictest10150irq/55-4a10000019:50:240
19956997344,13cyclictest10150irq/55-4a10000022:00:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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