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2026-04-15 - 05:07
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Wed Apr 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2927521460,3sleep12041599cyclictest22:33:401
2205121390,3sleep12041599cyclictest22:58:491
1855521290,4sleep10-21swapper/120:13:381
106891970,4ptp4l401ktimersoftd/320:16:323
106891720,1ptp4l401ktimersoftd/320:48:403
242232710,2sleep10-21swapper/122:28:381
242232710,2sleep10-21swapper/122:28:381
106891700,2ptp4l401ktimersoftd/301:14:003
106891690,9ptp4l401ktimersoftd/323:18:463
106891690,1ptp4l401ktimersoftd/323:17:563
106891690,1ptp4l401ktimersoftd/320:25:573
43312670,3sleep233-21ksoftirqd/223:48:412
200382664,10sleep00-21swapper/020:14:510
106891650,1ptp4l401ktimersoftd/322:40:503
131052620,2sleep00-21swapper/022:49:170
282772610,5sleep028268-21apt-get00:13:400
282772610,5sleep028268-21apt-get00:13:400
106891580,1ptp4l401ktimersoftd/323:31:553
106891580,1ptp4l401ktimersoftd/301:06:013
139052570,3sleep013214-21/usr/sbin/munin01:38:470
106891560,1ptp4l401ktimersoftd/322:35:293
146062550,2sleep30-21swapper/323:24:213
106891540,1ptp4l401ktimersoftd/300:47:133
221232510,2sleep20-21swapper/200:39:352
139982490,1sleep10-21swapper/122:50:501
106891490,1ptp4l401ktimersoftd/301:31:453
7622460,1sleep00-21swapper/023:10:400
143291460,1getstats0-21swapper/322:02:493
2042099431,27cyclictest27217-21awk21:38:242
106891430,1ptp4l401ktimersoftd/323:10:583
106891420,7ptp4l401ktimersoftd/301:36:303
2042099419,20cyclictest19940-21ptp4l00:03:492
81372400,3sleep12041599cyclictest00:25:251
153512400,1sleep20-21swapper/200:33:412
123092400,2sleep20-21swapper/201:37:292
106891400,1ptp4l401ktimersoftd/301:46:503
20420993922,14cyclictest33-21ksoftirqd/220:33:342
20420993922,14cyclictest33-21ksoftirqd/220:33:342
106891390,1ptp4l401ktimersoftd/322:25:053
106891390,1ptp4l401ktimersoftd/322:25:053
106891390,1ptp4l401ktimersoftd/301:43:043
2042099382,28cyclictest1936-21apt-get00:53:412
106891380,1ptp4l401ktimersoftd/322:59:463
106891380,1ptp4l401ktimersoftd/322:30:203
106891380,1ptp4l401ktimersoftd/322:30:203
106891380,1ptp4l401ktimersoftd/301:27:243
106891380,1ptp4l401ktimersoftd/300:25:453
106891380,0ptp4l401ktimersoftd/323:07:293
106891370,1ptp4l401ktimersoftd/323:51:513
106891370,1ptp4l401ktimersoftd/323:41:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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