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2026-04-25 - 03:07
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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 Sat Apr 25, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911210,9ptp4l27924-21kworker/3:120:20:103
106891700,1ptp4l401ktimersoftd/322:35:563
270382640,7sleep2321ktimersoftd/200:26:332
285242610,1sleep00-21swapper/000:29:000
8492600,2sleep2845-21ssh00:34:002
314522600,2sleep10-21swapper/100:30:501
106891590,1ptp4l401ktimersoftd/322:58:033
267992560,1sleep10-21swapper/101:34:011
106891560,1ptp4l401ktimersoftd/300:25:053
200202540,1sleep30-21swapper/300:19:193
242432530,2sleep10-21swapper/123:50:061
9545995213,4cyclictest41-21ksoftirqd/323:14:153
9528995243,5cyclictest25-21ksoftirqd/122:29:091
9528995243,5cyclictest25-21ksoftirqd/122:29:091
92942524,36sleep20-21swapper/220:22:272
108382510,5sleep341-21ksoftirqd/300:44:043
107792510,2sleep20-21swapper/200:09:272
64942500,2sleep30-21swapper/322:26:463
9545994933,3cyclictest41-21ksoftirqd/322:29:093
9545994933,3cyclictest41-21ksoftirqd/322:29:093
187622490,1sleep30-21swapper/323:12:433
9521994819,7cyclictest9-21ksoftirqd/000:19:130
9545994734,6cyclictest41-21ksoftirqd/323:04:113
9521994723,8cyclictest9-21ksoftirqd/023:39:220
106891460,1ptp4l401ktimersoftd/300:50:533
91162454,30sleep10-21swapper/120:20:081
106891450,1ptp4l401ktimersoftd/301:36:253
106891440,1ptp4l401ktimersoftd/301:08:133
106891440,1ptp4l401ktimersoftd/300:40:293
9521994319,8cyclictest9-21ksoftirqd/022:31:070
9521994319,8cyclictest9-21ksoftirqd/022:31:070
9521994225,7cyclictest9-21ksoftirqd/022:58:580
9521994222,7cyclictest9-21ksoftirqd/023:24:140
106891420,0ptp4l401ktimersoftd/322:15:343
9532994121,8cyclictest33-21ksoftirqd/200:24:002
9528994119,10cyclictest25-21ksoftirqd/123:48:591
9521994121,9cyclictest9-21ksoftirqd/001:14:180
9545994033,4cyclictest41-21ksoftirqd/323:49:113
9532994031,4cyclictest33-21ksoftirqd/201:29:152
9521994021,7cyclictest9-21ksoftirqd/000:04:280
9545993922,4cyclictest41-21ksoftirqd/300:03:243
9532993919,9cyclictest33-21ksoftirqd/223:01:552
9528993910,3cyclictest25-21ksoftirqd/122:59:211
9521993921,7cyclictest9-21ksoftirqd/000:44:100
9521993920,5cyclictest9-21ksoftirqd/022:09:200
9521993918,6cyclictest9-21ksoftirqd/000:49:160
28772390,3sleep3233-21systemd-journal22:23:563
106891390,1ptp4l401ktimersoftd/322:59:293
9545993831,4cyclictest41-21ksoftirqd/321:34:063
9545993830,4cyclictest41-21ksoftirqd/322:09:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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