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2026-11-14 - 02:18
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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 Fri Nov 13, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224425740,13sleep02243-21cut07:05:130
334799137112,14cyclictest0-21swapper/007:10:030
2813621097,13sleep027361-21apt-get08:45:420
33479910238,49cyclictest0-21swapper/007:57:170
1676121016,11sleep016770-21memory12:15:340
147982995,14sleep01305-21snmpd10:01:130
3347999631,35cyclictest0-21swapper/010:10:360
190952966,12sleep018999-21apt-get10:17:540
72952955,15sleep01305-21snmpd11:37:110
3347999547,32cyclictest3650irq/20-4900000009:50:220
3347999440,17cyclictest13000-21if_eth012:00:260
272612945,11sleep027262-21memory10:50:340
3347999143,29cyclictest20605-21seq12:30:400
3347999048,29cyclictest101ktimersoftd/009:00:190
3347999030,44cyclictest101ktimersoftd/011:07:130
299952905,8sleep00-21swapper/008:53:100
3347998967,10cyclictest101ktimersoftd/010:25:210
3347998963,10cyclictest101ktimersoftd/007:15:250
3347998962,12cyclictest101ktimersoftd/007:45:360
3347998842,30cyclictest3650irq/20-4900000011:12:130
107782884,14sleep0101ktimersoftd/009:45:380
334799878,18cyclictest1305-21snmpd08:05:460
3347998661,11cyclictest101ktimersoftd/007:20:260
3347998642,29cyclictest10250irq/56-4a10000008:30:140
3347998637,15cyclictest11029-21wget07:40:140
3347998624,32cyclictest10250irq/56-4a10000008:18:470
334799858,41cyclictest2287-21apt-cache11:17:120
3347998542,29cyclictest2651-21seq09:13:560
3347998536,32cyclictest8070-21load11:40:300
3347998536,30cyclictest18274-21mailstats12:20:450
3347998533,32cyclictest21321-21runrttasks08:20:120
3347998445,28cyclictest0-21swapper/007:25:110
3347998436,11cyclictest101ktimersoftd/010:10:020
3347998354,14cyclictest10150irq/55-4a10000010:30:170
3347998338,29cyclictest1276-21runrttasks09:06:200
3347998330,41cyclictest0-21swapper/011:25:360
3347998263,11cyclictest101ktimersoftd/007:35:000
3347998261,13cyclictest101ktimersoftd/012:05:420
3347998251,20cyclictest23617-21/usr/sbin/munin10:35:430
3347998224,27cyclictest29308-21latency_hist11:00:050
3347998220,15cyclictest3916-21latency_hist11:25:030
3347998212,34cyclictest26109-21munin-run08:40:020
334799817,35cyclictest17394-21latency_hist08:05:030
3347998155,11cyclictest101ktimersoftd/011:55:190
3347998151,14cyclictest10150irq/55-4a10000011:30:250
3347998060,11cyclictest101ktimersoftd/010:40:250
3347998049,16cyclictest10150irq/55-4a10000009:00:020
3347998048,14cyclictest10150irq/55-4a10000009:17:120
3347997957,12cyclictest101ktimersoftd/009:40:280
3347997951,13cyclictest10150irq/55-4a10000012:26:510
3347997950,19cyclictest19700-21sshd10:20:210
3347997949,15cyclictest10150irq/55-4a10000011:45:400
3347997932,32cyclictest10250irq/56-4a10000009:59:040
3347997912,55cyclictest101ktimersoftd/010:47:540
3347997850,13cyclictest10150irq/55-4a10000011:00:430
3347997753,17cyclictest7910-21aten_r7power_cu09:35:110
3347997748,14cyclictest10150irq/55-4a10000009:25:220
3347997748,13cyclictest10150irq/55-4a10000009:20:240
3347997747,14cyclictest10150irq/55-4a10000008:40:150
3347997745,14cyclictest10150irq/55-4a10000012:35:510
3347997738,26cyclictest0-21swapper/007:35:120
3347997736,31cyclictest22688-21seq08:25:160
3347997649,13cyclictest101ktimersoftd/009:30:390
3347997628,14cyclictest10250irq/56-4a10000011:54:200
3347997544,14cyclictest10150irq/55-4a10000007:50:140
3347997454,11cyclictest101ktimersoftd/012:10:180
3347997347,11cyclictest10150irq/55-4a10000008:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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