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2026-06-20 - 06:00
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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 Jun 20, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663321520,5sleep21564299cyclictest01:24:012
2135321440,2sleep21564299cyclictest02:24:432
2067421300,4sleep01562899cyclictest00:10:230
1068911060,4ptp4l401ktimersoftd/320:51:243
287012800,2sleep30-21swapper/300:19:583
106891720,1ptp4l401ktimersoftd/323:43:253
106891670,1ptp4l401ktimersoftd/323:20:223
136962620,3sleep20-21swapper/220:50:052
103162600,2sleep20-21swapper/200:33:582
279562580,2sleep00-21swapper/000:50:380
163392580,4sleep341-21ksoftirqd/300:05:453
106891580,1ptp4l401ktimersoftd/322:32:313
106891580,1ptp4l401ktimersoftd/301:04:003
106891580,1ptp4l401ktimersoftd/301:04:003
106891570,1ptp4l401ktimersoftd/300:35:343
127182560,2sleep10-21swapper/100:03:221
106891560,1ptp4l401ktimersoftd/300:03:413
128042550,2sleep20-21swapper/223:30:142
106891530,1ptp4l401ktimersoftd/301:04:593
106891520,1ptp4l401ktimersoftd/301:55:173
39762510,3sleep10-21swapper/100:26:301
257212490,2sleep00-21swapper/023:10:130
153802474,32sleep10-21swapper/120:53:081
105791470,5getstats46850irq/99-ens3-TxR01:42:153
89572460,2sleep10-21swapper/101:05:171
106891430,1ptp4l401ktimersoftd/302:22:073
300212420,4sleep330022-21fschecks_time23:15:103
300212420,4sleep330022-21fschecks_time23:15:103
106891420,11ptp4l401ktimersoftd/323:03:393
106891390,1ptp4l401ktimersoftd/323:14:213
106891390,1ptp4l401ktimersoftd/301:37:473
106891390,1ptp4l401ktimersoftd/300:31:163
106891380,1ptp4l401ktimersoftd/323:57:003
106891380,1ptp4l401ktimersoftd/323:47:273
106891380,1ptp4l401ktimersoftd/302:14:063
106891380,1ptp4l401ktimersoftd/302:03:463
106891380,1ptp4l401ktimersoftd/301:47:103
106891380,1ptp4l401ktimersoftd/301:30:033
106891380,1ptp4l401ktimersoftd/301:20:423
106891380,1ptp4l401ktimersoftd/300:45:123
106891380,1ptp4l401ktimersoftd/300:23:203
106891370,3ptp4l23573-21kworker/3:022:53:393
106891370,1ptp4l401ktimersoftd/323:54:573
106891370,1ptp4l401ktimersoftd/323:37:533
106891370,1ptp4l401ktimersoftd/323:32:443
106891370,1ptp4l401ktimersoftd/323:29:253
106891370,1ptp4l401ktimersoftd/323:05:023
106891370,1ptp4l401ktimersoftd/322:56:353
106891370,1ptp4l401ktimersoftd/322:20:103
106891370,1ptp4l401ktimersoftd/321:35:083
106891370,1ptp4l401ktimersoftd/302:18:253
106891370,1ptp4l401ktimersoftd/302:08:073
106891370,1ptp4l401ktimersoftd/301:53:173
106891370,1ptp4l401ktimersoftd/300:57:483
106891370,1ptp4l401ktimersoftd/300:50:473
106891370,1ptp4l401ktimersoftd/300:29:373
106891370,1ptp4l401ktimersoftd/300:10:483
106891370,0ptp4l401ktimersoftd/321:20:183
106891360,1ptp4l401ktimersoftd/300:41:503
106891360,0ptp4l401ktimersoftd/322:09:503
42872350,1sleep20-21swapper/201:00:162
42872350,1sleep20-21swapper/201:00:162
106891350,1ptp4l401ktimersoftd/321:40:223
106891350,0ptp4l401ktimersoftd/321:52:293
106891330,1ptp4l401ktimersoftd/321:48:313
106891330,1ptp4l401ktimersoftd/301:16:563
106891320,1ptp4l401ktimersoftd/321:32:123
106891320,1ptp4l401ktimersoftd/321:32:123
15642993125,3cyclictest33-21ksoftirqd/200:59:442
1562899316,22cyclictest21973-21ssh23:06:140
15628993125,3cyclictest9-21ksoftirqd/021:39:540
15628993125,3cyclictest9-21ksoftirqd/002:10:010
106891310,10ptp4l401ktimersoftd/322:28:003
106891310,0ptp4l401ktimersoftd/322:13:123
106142310,2sleep20-21swapper/222:55:132
15642993024,4cyclictest23798-21/usr/sbin/munin21:10:092
15628993025,3cyclictest9-21ksoftirqd/023:04:550
15628993025,3cyclictest9-21ksoftirqd/021:24:530
106891300,1ptp4l401ktimersoftd/322:02:243
106891300,1ptp4l401ktimersoftd/301:26:383
106891300,11ptp4l401ktimersoftd/322:38:143
15628992924,3cyclictest9-21ksoftirqd/000:45:130
106891290,0ptp4l401ktimersoftd/320:56:053
174972280,4sleep1241ktimersoftd/123:01:591
15628992822,3cyclictest9-21ksoftirqd/021:19:530
15628992822,3cyclictest9-21ksoftirqd/001:19:130
15628992821,4cyclictest9-21ksoftirqd/020:55:030
15628992820,5cyclictest14233-21turbostat.cron01:44:590
143442285,10sleep00-21swapper/020:50:120
106891280,1ptp4l401ktimersoftd/322:42:263
517822720,3sleep125-21ksoftirqd/101:35:131
285492270,3sleep228553-21irqrtprio01:25:172
15636992720,4cyclictest25-21ksoftirqd/121:50:291
15628992722,3cyclictest9-21ksoftirqd/022:05:080
15628992721,3cyclictest9-21ksoftirqd/023:49:570
15628992721,3cyclictest9-21ksoftirqd/022:30:060
15628992721,3cyclictest9-21ksoftirqd/000:20:070
106891270,0ptp4l401ktimersoftd/321:02:193
15651992619,4cyclictest41-21ksoftirqd/322:46:153
15642992623,2cyclictest33-21ksoftirqd/223:09:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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