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2026-06-13 - 22:12
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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 13, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18650221133,48sleep00-21swapper/019:09:450
187499912180,26cyclictest101ktimersoftd/022:42:150
187499910511,61cyclictest0-21swapper/000:29:050
187499910239,47cyclictest0-21swapper/000:10:010
187499910058,27cyclictest101ktimersoftd/022:52:120
18749999976,13cyclictest0-21swapper/019:10:040
18749999854,28cyclictest101ktimersoftd/023:27:140
6612976,13sleep0670-21munin-run22:15:020
18749999755,24cyclictest0-21swapper/020:33:480
256552965,12sleep025664-21users19:35:480
249522955,12sleep024950-21ntp_states21:40:390
18749999427,17cyclictest5710-21apt-get22:37:100
17402944,11sleep01746-21ntp_states20:10:400
51822935,13sleep00-21swapper/000:34:520
56862924,7sleep00-21swapper/000:35:380
18749999255,23cyclictest0-21swapper/021:03:540
18749999146,28cyclictest3650irq/20-4900000023:00:330
18749999139,15cyclictest26389-21/usr/sbin/munin21:45:470
125742906,11sleep012575-21users22:55:490
18749998949,23cyclictest0-21swapper/019:33:350
18749998758,12cyclictest101ktimersoftd/020:41:550
18749998754,15cyclictest27502-21df_inode23:55:230
18749998752,17cyclictest4147-21sshd20:20:280
18749998748,10cyclictest101ktimersoftd/022:06:170
18749998727,27cyclictest1305-21snmpd20:40:080
18749998662,11cyclictest101ktimersoftd/021:51:150
18749998629,39cyclictest0-21swapper/019:58:390
1874999857,19cyclictest32535-21diskstats00:15:230
18749998546,23cyclictest101ktimersoftd/023:20:150
18749998457,11cyclictest101ktimersoftd/019:40:290
18749998446,27cyclictest0-21swapper/000:00:210
18749998337,31cyclictest10250irq/56-4a10000023:44:110
18749998336,37cyclictest17398-21/usr/sbin/munin21:10:500
18749998334,33cyclictest101ktimersoftd/021:17:050
18749998244,22cyclictest0-21swapper/021:23:590
18749998232,32cyclictest101ktimersoftd/019:17:070
18749998227,16cyclictest22271-21latency_hist23:35:040
18749998161,12cyclictest101ktimersoftd/021:10:020
18749998160,12cyclictest101ktimersoftd/020:55:180
18749998137,29cyclictest10250irq/56-4a10000000:14:130
18749998124,40cyclictest10495-21wget20:45:120
229442805,11sleep00-21swapper/021:33:000
213932805,11sleep00-21swapper/019:20:130
18749998059,12cyclictest101ktimersoftd/021:25:420
18749998035,13cyclictest10250irq/56-4a10000019:25:100
18749998032,15cyclictest10250irq/56-4a10000023:54:120
18749998025,20cyclictest1276-21runrttasks21:56:390
18749997952,17cyclictest14841-21/usr/sbin/munin23:05:370
18749997951,11cyclictest101ktimersoftd/023:10:500
18749997949,13cyclictest10150irq/55-4a10000023:40:010
18749997932,32cyclictest0-21swapper/023:45:050
18749997930,33cyclictest101ktimersoftd/020:17:010
1874999788,36cyclictest29215-21chrt19:50:420
1874999788,17cyclictest31476-21/usr/sbin/munin20:00:150
18749997859,11cyclictest101ktimersoftd/022:20:180
18749997853,10cyclictest101ktimersoftd/021:35:220
18749997848,13cyclictest10150irq/55-4a10000023:16:380
18749997843,25cyclictest0-21swapper/000:20:250
18749997840,27cyclictest0-21swapper/020:05:100
18749997755,15cyclictest5759-21sort22:35:040
18749997731,14cyclictest10250irq/56-4a10000020:26:470
18749997649,17cyclictest11983-21/usr/sbin/munin20:50:290
18749997648,13cyclictest101ktimersoftd/022:25:320
1874999759,48cyclictest27610-21wget19:45:120
18749997545,13cyclictest10150irq/55-4a10000022:15:200
18749997455,11cyclictest101ktimersoftd/022:45:240
18749997444,22cyclictest29903-21runrttasks22:00:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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