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2026-06-29 - 04:18
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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 highest latencies:
System rack7slot8.osadl.org (updated Sun Jun 28, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16384220342,128sleep00-21swapper/007:05:380
169629916233,37cyclictest0-21swapper/009:21:320
169629915430,29cyclictest0-21swapper/008:56:270
32045211311,12sleep032048-21df_inode10:15:180
169629910749,20cyclictest16505-21/usr/sbin/munin11:21:170
1747221065,11sleep017476-21df11:25:190
296712985,11sleep029673-21irqstats10:05:320
33812977,12sleep02591-21apt-get12:35:480
225822966,12sleep022594-21df07:30:140
129862957,12sleep01305-21snmpd11:09:460
253392949,10sleep025352-21users11:55:560
290032936,12sleep029016-21ntp_states07:55:390
1696299937,49cyclictest21743-21sshd11:41:400
270662925,11sleep027069-21df_inode09:55:180
1696299928,27cyclictest31006-21apt-get08:07:130
16962999239,32cyclictest19904-21latency_hist07:20:040
142732925,11sleep014275-21fw_forwarded_lo09:05:280
16962999154,23cyclictest0-21swapper/012:32:160
123129114,66sleep0101ktimersoftd/010:20:450
16962999053,27cyclictest0-21swapper/010:42:270
16962999048,22cyclictest0-21swapper/010:46:510
3104328914,61sleep0101ktimersoftd/012:20:160
16962998847,28cyclictest101ktimersoftd/007:50:400
16962998755,16cyclictest2616-21sshd10:26:110
16962998645,29cyclictest101ktimersoftd/009:30:520
16962998539,30cyclictest3650irq/20-4900000010:55:230
16962998353,15cyclictest25101-21runrttasks09:49:480
16962998322,27cyclictest9021-21runrttasks08:45:040
16962998319,45cyclictest0-21swapper/012:28:360
16962998240,29cyclictest3650irq/20-4900000009:51:130
16962998231,32cyclictest15336-21wget09:10:140
207032814,8sleep00-21swapper/007:22:020
16962998128,37cyclictest0-21swapper/010:31:480
16962998124,27cyclictest29255-21latency_hist10:05:040
16962998043,27cyclictest0-21swapper/007:35:300
16962998028,14cyclictest101ktimersoftd/007:45:190
16962998021,14cyclictest31102-21apt-config08:05:070
16962997948,16cyclictest10150irq/55-4a10000011:50:440
16962997944,26cyclictest0-21swapper/012:05:260
16962997930,12cyclictest17200-21cpu07:10:150
16962997920,26cyclictest8547-21ntpq10:50:370
1696299787,19cyclictest21506-21seq09:35:100
16962997848,13cyclictest10150irq/55-4a10000012:17:070
16962997843,27cyclictest0-21swapper/008:45:210
16962997841,26cyclictest0-21swapper/009:15:110
16962997837,30cyclictest0-21swapper/008:20:420
16962997827,14cyclictest101ktimersoftd/011:50:020
16962997824,20cyclictest1408-21nginx08:10:340
16962997817,29cyclictest101ktimersoftd/007:40:320
16962997746,21cyclictest6901-21/usr/sbin/munin08:35:350
16962997741,28cyclictest0-21swapper/010:10:120
16962997728,41cyclictest1312-21sshd09:25:570
16962997725,16cyclictest11108-21ntp_states11:01:060
16962997625,14cyclictest18893-21ntpq11:30:390
16962997623,38cyclictest0-21swapper/011:37:030
16962997546,13cyclictest10150irq/55-4a10000012:00:390
16962997546,13cyclictest10150irq/55-4a10000010:35:320
16962997544,14cyclictest10150irq/55-4a10000011:10:190
16962997530,29cyclictest11484-21latency_hist08:55:030
16962997529,32cyclictest101ktimersoftd/011:15:330
16962997455,12cyclictest101ktimersoftd/007:25:210
16962997455,10cyclictest101ktimersoftd/009:40:170
16962997446,20cyclictest1866-21runrttasks08:15:310
1696299738,15cyclictest5533-21diskstats08:30:230
16962997350,9cyclictest101ktimersoftd/009:00:190
16962997346,13cyclictest10150irq/55-4a10000008:25:250
16962997252,14cyclictest29655-21latency_hist12:15:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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