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2026-06-20 - 15:24
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Sat Jun 20, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9226213060,10sleep09224-21df_inode19:05:170
14218211815,12sleep014220-21irqstats21:30:300
1188721067,12sleep01480-21munin-node23:30:450
102169910363,24cyclictest101ktimersoftd/020:37:100
102169910153,12cyclictest101ktimersoftd/020:02:130
243772997,11sleep0101ktimersoftd/022:10:460
270162985,12sleep027020-21sshd00:29:520
10216999869,12cyclictest101ktimersoftd/019:41:320
10216999745,15cyclictest21366-21sshd19:51:370
10216999635,43cyclictest0-21swapper/021:05:100
321272955,11sleep031232-21apt-get22:41:030
145172955,12sleep014520-21fw_conntrack23:40:250
10216999555,27cyclictest101ktimersoftd/021:35:400
10216999550,31cyclictest3650irq/20-4900000000:00:020
10216999235,39cyclictest0-21swapper/020:23:470
10216999150,21cyclictest0-21swapper/020:48:520
10216999133,43cyclictest10250irq/56-4a10000000:08:200
10216999044,32cyclictest101ktimersoftd/023:17:060
10216999041,15cyclictest25405-21seq22:15:290
10216999035,38cyclictest0-21swapper/019:48:380
10216998831,39cyclictest0-21swapper/019:18:320
10216998726,26cyclictest0-21swapper/022:26:100
10216998631,38cyclictest0-21swapper/023:11:230
10216998630,38cyclictest0-21swapper/021:44:040
10216998536,33cyclictest28450-21seq00:35:080
10216998531,17cyclictest11314-21sendmail21:20:010
10216998357,11cyclictest101ktimersoftd/019:20:290
10216998354,13cyclictest101ktimersoftd/023:25:540
10216998351,14cyclictest10150irq/55-4a10000021:46:360
10216998346,26cyclictest0-21swapper/022:20:220
10216998334,34cyclictest19750-21sshd21:52:470
10216998316,32cyclictest1305-21snmpd22:51:180
10216998314,31cyclictest10597-21irqstats19:10:300
10216998242,28cyclictest3650irq/20-4900000019:35:220
10216998242,28cyclictest10250irq/56-4a10000021:28:170
10216998235,31cyclictest9770-21runrttasks21:12:410
236972815,64sleep01305-21snmpd00:16:030
1021699817,29cyclictest14077-21wget19:25:100
10216998147,25cyclictest0-21swapper/019:55:220
10216998146,27cyclictest0-21swapper/022:05:230
10216998145,26cyclictest0-21swapper/023:50:340
10216998145,18cyclictest22947-21runrttasks00:15:030
10216998138,30cyclictest10250irq/56-4a10000020:26:140
10216998118,18cyclictest25444-21latency_hist00:25:030
10216998060,11cyclictest101ktimersoftd/023:45:280
10216998044,25cyclictest0-21swapper/020:15:100
10216998037,30cyclictest10250irq/56-4a10000000:30:250
10216998028,37cyclictest0-21swapper/021:56:030
10216998020,47cyclictest10250irq/56-4a10000022:36:110
1021699799,20cyclictest4155-21diskstats20:50:210
10216997960,11cyclictest101ktimersoftd/023:20:320
10216997950,13cyclictest10150irq/55-4a10000023:05:370
10216997861,11cyclictest101ktimersoftd/000:04:010
10216997840,27cyclictest0-21swapper/020:55:210
10216997832,12cyclictest4338-21aten_r7power_cu23:00:170
10216997828,33cyclictest29122-21if_err_eth022:30:280
10216997757,12cyclictest101ktimersoftd/020:40:400
10216997747,14cyclictest10150irq/55-4a10000019:30:230
10216997745,15cyclictest10150irq/55-4a10000022:45:190
10216997740,27cyclictest0-21swapper/020:30:090
10216997723,16cyclictest6703-21fw_forwarded_lo21:00:340
10216997720,19cyclictest13637-21awk23:35:490
1021699768,31cyclictest3274-21diskstats22:55:290
10216997648,13cyclictest10150irq/55-4a10000021:20:200
10216997647,13cyclictest10150irq/55-4a10000020:12:350
10216997547,13cyclictest10150irq/55-4a10000022:00:420
10216997354,11cyclictest101ktimersoftd/020:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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