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2026-07-04 - 14:46
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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 Sat Jul 04, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1624221460,3sleep31974299cyclictest23:04:183
1624221460,3sleep31974299cyclictest23:04:183
1068911040,3ptp4l401ktimersoftd/320:59:263
105791840,3getstats46850irq/99-ens3-TxR23:21:503
106891740,1ptp4l401ktimersoftd/300:57:303
106891740,1ptp4l401ktimersoftd/300:57:303
38302710,1sleep00-21swapper/023:24:390
124412710,2sleep20-21swapper/201:12:492
106891710,1ptp4l401ktimersoftd/323:16:513
181162650,5sleep21973499cyclictest23:38:502
310082640,2sleep00-21swapper/000:25:330
148402640,5sleep214843-21needreboot23:03:002
148402640,5sleep214843-21needreboot23:03:002
11992620,5sleep11972999cyclictest23:22:511
19724996151,5cyclictest9-21ksoftirqd/002:22:530
76262600,5sleep31974299cyclictest00:02:363
162252570,2sleep30-21swapper/302:22:083
106891570,1ptp4l401ktimersoftd/323:25:573
106891540,1ptp4l401ktimersoftd/321:21:103
106891540,1ptp4l401ktimersoftd/321:21:103
106891520,1ptp4l401ktimersoftd/300:46:293
19724994914,4cyclictest9-21ksoftirqd/023:32:570
19724994823,4cyclictest9-21ksoftirqd/002:30:400
106891480,14ptp4l25822-21kworker/3:201:53:463
1972499466,3cyclictest9-21ksoftirqd/021:02:350
19724994623,3cyclictest9-21ksoftirqd/001:28:320
19724994622,4cyclictest9-21ksoftirqd/023:59:130
19724994622,4cyclictest9-21ksoftirqd/022:27:380
19724994616,7cyclictest9-21ksoftirqd/001:38:110
1972499456,3cyclictest9-21ksoftirqd/000:07:400
19724994539,3cyclictest9-21ksoftirqd/022:32:420
19724994531,6cyclictest9-21ksoftirqd/001:05:030
19724994525,7cyclictest9-21ksoftirqd/022:12:580
19724994522,4cyclictest9-21ksoftirqd/023:21:210
19724994522,4cyclictest9-21ksoftirqd/023:09:040
19724994522,4cyclictest9-21ksoftirqd/023:09:040
19724994521,4cyclictest9-21ksoftirqd/023:42:080
19724994514,7cyclictest9-21ksoftirqd/000:43:080
19724994438,4cyclictest9-21ksoftirqd/021:17:400
19724994438,4cyclictest9-21ksoftirqd/021:17:400
1972499443,3cyclictest9-21ksoftirqd/023:27:540
19724994421,3cyclictest9-21ksoftirqd/001:17:050
19724994420,4cyclictest9-21ksoftirqd/000:54:090
19724994420,4cyclictest9-21ksoftirqd/000:54:090
19724994419,4cyclictest9-21ksoftirqd/000:37:020
19724994336,4cyclictest9-21ksoftirqd/021:12:400
19724994336,4cyclictest9-21ksoftirqd/021:12:400
19724994321,4cyclictest9-21ksoftirqd/000:38:160
19724994321,3cyclictest9-21ksoftirqd/021:38:120
19724994321,3cyclictest9-21ksoftirqd/001:59:550
19724994320,5cyclictest9-21ksoftirqd/001:36:520
19724994319,4cyclictest9-21ksoftirqd/001:48:010
106891430,1ptp4l401ktimersoftd/300:19:023
19724994236,3cyclictest9-21ksoftirqd/021:47:480
19724994220,3cyclictest9-21ksoftirqd/000:09:260
19724994219,4cyclictest9-21ksoftirqd/022:47:590
1935324220,11sleep125-21ksoftirqd/120:59:051
19724994131,3cyclictest9-21ksoftirqd/023:02:570
19724994131,3cyclictest9-21ksoftirqd/023:02:570
19724994131,3cyclictest9-21ksoftirqd/000:18:010
19724994124,4cyclictest9-21ksoftirqd/022:07:580
19724994119,4cyclictest9-21ksoftirqd/021:33:070
19724994119,4cyclictest9-21ksoftirqd/001:53:090
19724994118,5cyclictest9-21ksoftirqd/002:20:000
19724994117,4cyclictest9-21ksoftirqd/001:18:170
1945124122,8sleep20-21swapper/221:00:242
1972499409,3cyclictest9-21ksoftirqd/000:13:020
1972499403,7cyclictest9-21ksoftirqd/000:48:020
1972499403,3cyclictest9-21ksoftirqd/021:47:360
1972499402,3cyclictest9-21ksoftirqd/001:23:100
1972499402,3cyclictest121rcu_preempt00:57:490
19724994020,7cyclictest9-21ksoftirqd/022:38:080
1972499397,3cyclictest9-21ksoftirqd/023:50:050
1972499394,6cyclictest9-21ksoftirqd/021:57:520
19724993934,3cyclictest9-21ksoftirqd/001:47:420
19724993927,3cyclictest9-21ksoftirqd/023:12:510
19724993927,3cyclictest9-21ksoftirqd/002:07:580
19724993916,3cyclictest9-21ksoftirqd/002:07:150
19724993912,7cyclictest9-21ksoftirqd/000:31:280
1972499390,4cyclictest13287-21diskmemload01:07:530
106891390,1ptp4l401ktimersoftd/301:33:023
106891390,1ptp4l401ktimersoftd/301:18:113
19742993833,3cyclictest41-21ksoftirqd/321:07:363
1972499385,7cyclictest9-21ksoftirqd/021:03:050
1972499385,3cyclictest121rcu_preempt23:53:500
1972499384,3cyclictest9-21ksoftirqd/022:54:060
19724993833,3cyclictest9-21ksoftirqd/023:42:540
19724993822,4cyclictest9-21ksoftirqd/002:15:190
106891380,1ptp4l401ktimersoftd/323:31:263
106891380,1ptp4l401ktimersoftd/302:32:393
106891380,1ptp4l401ktimersoftd/302:13:043
106891380,1ptp4l401ktimersoftd/301:58:163
106891380,1ptp4l401ktimersoftd/301:30:583
106891380,1ptp4l401ktimersoftd/300:33:223
106891380,0ptp4l401ktimersoftd/301:02:003
1972499377,3cyclictest9-21ksoftirqd/022:30:180
1972499375,7cyclictest9-21ksoftirqd/021:52:580
19724993732,3cyclictest9-21ksoftirqd/021:07:390
106891370,1ptp4l401ktimersoftd/323:48:223
106891370,1ptp4l401ktimersoftd/323:08:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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