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2025-06-28 - 23:23
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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 376 highest latencies:
System rack7slot8.osadl.org (updated Sat Jun 28, 2025 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9111221629,50sleep00-21swapper/019:08:270
93609910759,33cyclictest101ktimersoftd/021:17:070
93609910665,26cyclictest101ktimersoftd/023:42:120
93609910661,28cyclictest101ktimersoftd/019:37:090
2001821068,15sleep0101ktimersoftd/019:50:280
93609910241,43cyclictest10250irq/56-4a10000023:23:360
93609910158,26cyclictest101ktimersoftd/021:22:080
9360999536,42cyclictest10250irq/56-4a10000000:09:170
9360999452,26cyclictest101ktimersoftd/022:07:110
9360999350,11cyclictest101ktimersoftd/021:55:370
9360999250,26cyclictest101ktimersoftd/023:10:490
9360999244,30cyclictest3650irq/20-4900000022:12:090
9360999164,11cyclictest101ktimersoftd/021:05:030
9360999131,41cyclictest0-21swapper/020:35:230
183142895,12sleep018332-21if_eth021:50:340
9360998862,11cyclictest101ktimersoftd/020:26:560
9360998842,28cyclictest27399-21cut20:20:160
9360998826,30cyclictest792-21haveged19:35:050
9360998759,12cyclictest101ktimersoftd/023:17:080
9360998747,26cyclictest101ktimersoftd/021:25:520
9360998737,15cyclictest10250irq/56-4a10000020:31:580
9360998648,24cyclictest101ktimersoftd/000:00:060
9360998641,29cyclictest21183-21kworker/0:000:38:340
9360998633,37cyclictest262212chrt20:15:220
9360998540,29cyclictest3650irq/20-4900000019:20:370
9360998535,16cyclictest10250irq/56-4a10000023:03:310
9360998531,16cyclictest9783-21/usr/sbin/munin19:10:360
9360998456,13cyclictest101ktimersoftd/019:17:050
9360998456,12cyclictest101ktimersoftd/000:17:120
9360998455,13cyclictest101ktimersoftd/023:30:440
9360998439,30cyclictest3650irq/20-4900000023:45:280
936099842,39cyclictest25815-21apt-get22:17:060
9360998352,13cyclictest101ktimersoftd/022:00:410
9360998333,15cyclictest10250irq/56-4a10000020:11:520
9360998330,34cyclictest23567-21wget20:05:140
936099827,20cyclictest15797-21diskstats21:40:250
9360998251,14cyclictest10150irq/55-4a10000000:04:410
9360998243,12cyclictest101ktimersoftd/022:45:420
9360998234,15cyclictest10250irq/56-4a10000022:43:280
9360998221,29cyclictest10250irq/56-4a10000023:38:390
9360998149,21cyclictest26623-21cron00:30:010
9360998137,30cyclictest10250irq/56-4a10000022:33:230
9360998135,30cyclictest10250irq/56-4a10000020:51:590
9360998061,11cyclictest101ktimersoftd/019:55:340
9360998056,17cyclictest2288-21cat20:50:040
9360998054,17cyclictest3596-21journal-offline22:58:490
9360998044,25cyclictest0-21swapper/023:50:250
9360998037,33cyclictest17215-21ntp_states21:45:430
9360998034,31cyclictest101ktimersoftd/021:06:270
9360998031,14cyclictest1336-21runrttasks23:06:500
9360997951,12cyclictest10150irq/55-4a10000019:45:240
936099787,39cyclictest11240-21latency_hist23:30:030
936099786,55cyclictest27640-21seq00:33:120
9360997818,15cyclictest2495-21latency_hist22:55:040
9360997748,14cyclictest10150irq/55-4a10000022:25:420
9360997747,14cyclictest10150irq/55-4a10000000:10:200
9360997735,28cyclictest3650irq/20-4900000020:40:370
9360997730,31cyclictest101ktimersoftd/021:10:200
9360997722,43cyclictest1424-21nginx00:24:190
936099768,16cyclictest13299-21diskstats21:30:250
9360997652,10cyclictest101ktimersoftd/021:35:190
9360997650,16cyclictest26390-21/usr/sbin/munin22:20:170
9360997615,28cyclictest3982-21ntp_states20:55:470
9360997541,23cyclictest22302-21/usr/sbin/munin20:00:150
9360997539,25cyclictest0-21swapper/019:40:140
9360997347,13cyclictest10150irq/55-4a10000022:35:320
9360997238,26cyclictest0-21swapper/019:25:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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