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2026-09-22 - 07:06
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Tue Sep 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1414721850,4sleep1334699cyclictest01:09:581
184821460,3sleep2335099cyclictest22:47:102
1068911000,4ptp4l401ktimersoftd/321:44:203
102292900,3sleep1334699cyclictest02:12:051
61182840,2sleep20-21swapper/201:02:042
295162670,2sleep10-21swapper/122:37:131
3355996614,20cyclictest30091-21sh03:05:153
3350996149,6cyclictest33-21ksoftirqd/223:26:592
222962600,2sleep022300-21unixbench_multi01:17:190
3339995948,5cyclictest9-21ksoftirqd/022:46:590
31612594,10sleep10-21swapper/121:45:471
141502560,4sleep3335599cyclictest01:42:163
335599550,22cyclictest558-21cat22:47:003
3339995545,5cyclictest9-21ksoftirqd/003:12:050
41672540,2sleep30-21swapper/302:37:363
3339995342,5cyclictest9-21ksoftirqd/022:21:590
3339995341,6cyclictest9-21ksoftirqd/022:16:580
3339995331,6cyclictest9-21ksoftirqd/023:56:490
105791530,1getstats0-21swapper/302:04:453
3339995231,3cyclictest9-21ksoftirqd/001:42:230
105791500,4getstats335599cyclictest02:49:463
3339994840,4cyclictest9-21ksoftirqd/000:07:060
3339994839,4cyclictest9-21ksoftirqd/023:36:520
333999478,7cyclictest9-21ksoftirqd/000:42:060
200182470,2sleep10-21swapper/101:48:041
335599468,22cyclictest249362chrt01:21:403
3339994622,4cyclictest9-21ksoftirqd/023:27:060
335599450,20cyclictest29113-21diskmemload01:34:573
333999456,3cyclictest9-21ksoftirqd/021:46:450
3339994540,3cyclictest9-21ksoftirqd/001:52:040
3339994537,4cyclictest9-21ksoftirqd/001:31:550
333999449,7cyclictest9-21ksoftirqd/022:37:020
3339994434,3cyclictest9-21ksoftirqd/001:12:150
3339994423,7cyclictest9-21ksoftirqd/002:32:130
3339994421,3cyclictest9-21ksoftirqd/022:02:040
3339994419,4cyclictest9-21ksoftirqd/001:07:060
333999434,23cyclictest9-21ksoftirqd/000:36:420
3339994319,4cyclictest9-21ksoftirqd/003:11:370
3339994319,4cyclictest9-21ksoftirqd/003:11:370
333999427,3cyclictest9-21ksoftirqd/002:24:500
3339994228,3cyclictest9-21ksoftirqd/000:19:080
3339994218,4cyclictest9-21ksoftirqd/000:27:450
3339994217,4cyclictest9-21ksoftirqd/002:27:280
3339994217,4cyclictest9-21ksoftirqd/000:57:350
3339994217,3cyclictest9-21ksoftirqd/000:47:200
3339994117,4cyclictest9-21ksoftirqd/001:58:100
3339994116,4cyclictest9-21ksoftirqd/001:50:400
106891410,1ptp4l401ktimersoftd/300:34:503
333999405,3cyclictest9-21ksoftirqd/002:12:130
3339994031,3cyclictest9-21ksoftirqd/022:07:010
3339994027,3cyclictest9-21ksoftirqd/002:52:100
3339994022,5cyclictest9-21ksoftirqd/023:17:090
3339994020,11cyclictest9-21ksoftirqd/001:37:060
3339994018,7cyclictest9-21ksoftirqd/000:25:340
3339994017,4cyclictest9-21ksoftirqd/021:57:000
3339994017,4cyclictest9-21ksoftirqd/021:57:000
3339994017,4cyclictest9-21ksoftirqd/002:45:530
3339994016,4cyclictest9-21ksoftirqd/023:57:460
106891400,1ptp4l401ktimersoftd/302:31:583
335599392,29cyclictest19710-21apt-get23:26:593
335599392,29cyclictest14966-21apt-get02:17:023
335599391,22cyclictest3847-21/usr/sbin/munin00:27:053
3339993930,3cyclictest9-21ksoftirqd/002:37:160
3339993929,3cyclictest9-21ksoftirqd/022:32:040
3339993925,11cyclictest9-21ksoftirqd/000:12:100
3339993916,3cyclictest9-21ksoftirqd/000:40:210
3339993912,10cyclictest9-21ksoftirqd/022:42:180
106891390,1ptp4l401ktimersoftd/302:54:263
106891390,1ptp4l401ktimersoftd/302:29:243
106891390,1ptp4l401ktimersoftd/301:22:233
333999384,3cyclictest121rcu_preempt02:02:060
3339993832,3cyclictest9-21ksoftirqd/001:22:090
3339993831,3cyclictest9-21ksoftirqd/002:47:130
3339993829,3cyclictest9-21ksoftirqd/000:56:210
3339993818,6cyclictest9-21ksoftirqd/023:26:480
106891380,1ptp4l401ktimersoftd/323:49:093
106891380,1ptp4l401ktimersoftd/323:49:093
106891380,1ptp4l401ktimersoftd/302:14:173
106891380,1ptp4l401ktimersoftd/301:48:283
106891380,1ptp4l401ktimersoftd/300:52:053
106891380,1ptp4l401ktimersoftd/300:46:563
106891380,1ptp4l401ktimersoftd/300:45:253
106891380,1ptp4l401ktimersoftd/300:24:573
106891380,1ptp4l401ktimersoftd/300:13:373
106891380,1ptp4l401ktimersoftd/300:08:103
3355993721,13cyclictest41-21ksoftirqd/321:54:443
333999378,7cyclictest9-21ksoftirqd/023:32:110
3339993732,2cyclictest9-21ksoftirqd/022:27:090
3339993731,3cyclictest9-21ksoftirqd/023:46:480
3339993731,3cyclictest9-21ksoftirqd/002:17:020
3339993730,3cyclictest9-21ksoftirqd/002:57:230
3339993728,3cyclictest9-21ksoftirqd/023:07:110
3339993728,3cyclictest9-21ksoftirqd/002:07:050
3339993725,9cyclictest9-21ksoftirqd/001:27:060
3339993725,3cyclictest9-21ksoftirqd/022:12:160
3339993720,5cyclictest9-21ksoftirqd/023:49:210
3339993720,5cyclictest9-21ksoftirqd/023:49:210
3339993719,9cyclictest9-21ksoftirqd/021:56:460
3339993718,10cyclictest9-21ksoftirqd/001:02:190
3339993715,4cyclictest9-21ksoftirqd/023:02:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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