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2026-06-12 - 07:26
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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 Fri Jun 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2430321700,3sleep32670299cyclictest23:25:593
1734621610,4sleep32670299cyclictest02:05:473
1091121590,3sleep02668599cyclictest01:58:570
1068911560,5ptp4l401ktimersoftd/320:49:053
2330921540,5sleep02668599cyclictest22:53:040
169821440,5sleep32670299cyclictest00:43:163
143291690,4getstats2670299cyclictest22:31:483
319292670,4sleep1241ktimersoftd/123:01:001
2669099589,13cyclictest19058-21ssh00:27:311
26690995810,12cyclictest925-21cat21:00:471
106891580,1ptp4l401ktimersoftd/323:24:163
106891580,1ptp4l401ktimersoftd/322:58:103
106891580,1ptp4l401ktimersoftd/300:58:493
2669099579,13cyclictest22209-21dpkg23:25:321
106891570,1ptp4l401ktimersoftd/302:03:013
106891570,1ptp4l401ktimersoftd/300:12:033
60642560,1sleep00-21swapper/021:10:550
2669099568,13cyclictest21712-21users01:36:031
106891560,1ptp4l401ktimersoftd/301:10:203
2669099558,13cyclictest9852-21/usr/sbin/munin01:25:451
106891550,1ptp4l401ktimersoftd/301:02:433
106891550,1ptp4l401ktimersoftd/300:22:203
26695995036,7cyclictest33-21ksoftirqd/200:20:452
2669099507,16cyclictest28857-21ssh22:59:081
2669099506,12cyclictest7631-21ssh00:50:081
26690994912,33cyclictest1374-21gltestperf22:10:451
26690994910,12cyclictest20940-21chrt21:42:231
26685994927,13cyclictest19815-21diskmemload00:00:430
2669099466,14cyclictest31394-21ssh23:34:441
2669099458,9cyclictest31320-21snmp_o5powerctl20:55:511
26690994510,18cyclictest10389-21rm01:58:041
26702994434,5cyclictest41-21ksoftirqd/321:05:383
2669099446,14cyclictest15125-21ssh02:02:461
2669099417,9cyclictest20637-21ssh01:02:231
26690994112,17cyclictest23541-21/usr/sbin/munin01:05:511
2444924123,8sleep10-21swapper/120:45:291
106891410,0ptp4l401ktimersoftd/323:09:073
26690994014,8cyclictest21225-21apt-get00:30:451
106891400,2ptp4l22470-21kworker/3:122:00:493
106891400,1ptp4l401ktimersoftd/323:12:373
106891400,1ptp4l401ktimersoftd/323:03:283
106891400,1ptp4l401ktimersoftd/301:54:233
106891400,1ptp4l401ktimersoftd/301:54:233
106891390,1ptp4l401ktimersoftd/323:33:083
106891390,1ptp4l401ktimersoftd/300:35:223
26690993824,6cyclictest13145-21apt-get00:55:451
26690993811,12cyclictest30450-21processes00:05:591
106891380,1ptp4l401ktimersoftd/323:52:283
106891380,1ptp4l401ktimersoftd/323:41:063
106891380,1ptp4l401ktimersoftd/322:51:023
106891380,1ptp4l401ktimersoftd/302:14:503
106891380,1ptp4l401ktimersoftd/301:31:453
106891380,1ptp4l401ktimersoftd/301:24:553
106891380,1ptp4l401ktimersoftd/301:18:203
106891380,1ptp4l401ktimersoftd/300:28:323
106891380,1ptp4l22470-21kworker/3:122:29:433
2669099379,13cyclictest6893-21ssh23:41:331
26690993710,11cyclictest26693-21apt-get02:15:361
26685993712,14cyclictest46950irq/100-ens3-Tx00:55:450
106891370,4ptp4l401ktimersoftd/300:49:103
106891370,1ptp4l401ktimersoftd/323:56:293
106891370,1ptp4l401ktimersoftd/302:16:393
106891370,1ptp4l401ktimersoftd/301:47:253
106891370,1ptp4l401ktimersoftd/301:26:573
106891370,1ptp4l401ktimersoftd/301:14:333
106891370,1ptp4l401ktimersoftd/300:51:533
106891370,1ptp4l401ktimersoftd/300:15:373
106891370,1ptp4l401ktimersoftd/300:15:373
106891370,1ptp4l401ktimersoftd/300:04:313
106891370,11ptp4l401ktimersoftd/301:39:063
106891370,0ptp4l401ktimersoftd/322:10:463
7262360,3sleep12669099cyclictest01:15:501
2669099369,14cyclictest3552-21df22:15:421
2669099368,14cyclictest13833-21ssh00:22:141
26690993621,10cyclictest12393-21apt-get23:15:431
26690993610,11cyclictest31365-21python01:45:581
106891360,1ptp4l401ktimersoftd/301:59:323
106891360,0ptp4l401ktimersoftd/320:50:573
26695993520,7cyclictest33-21ksoftirqd/200:25:452
2669099355,19cyclictest0-21swapper/121:45:511
2669099355,19cyclictest0-21swapper/121:05:491
26690993520,9cyclictest24210-21apt-get00:00:431
106891350,2ptp4l8545-21kworker/3:223:47:163
106891350,1ptp4l401ktimersoftd/301:45:143
26695993429,3cyclictest33-21ksoftirqd/221:40:292
26695993428,3cyclictest33-21ksoftirqd/223:25:312
26695993428,3cyclictest33-21ksoftirqd/201:20:492
26695993428,3cyclictest33-21ksoftirqd/200:15:322
26695993428,3cyclictest33-21ksoftirqd/200:00:312
2669099349,9cyclictest19815-21diskmemload01:20:521
2669099348,14cyclictest12170-21ssh00:54:341
2669099348,12cyclictest21101-21sh23:56:011
26690993421,6cyclictest2515-21apt-get01:50:461
26690993421,6cyclictest2515-21apt-get01:50:461
26690993419,9cyclictest17141-21apt-get02:05:451
26690993411,19cyclictest14662-21ls21:30:441
26690993410,9cyclictest7820-21smart_sda00:15:551
26690993410,9cyclictest7820-21smart_sda00:15:551
200332340,2sleep20-21swapper/202:07:502
106891340,2ptp4l22470-21kworker/3:122:40:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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