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2026-07-15 - 19:05
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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 Wed Jul 15, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1208421660,4sleep22528399cyclictest12:08:052
873021510,3sleep02527399cyclictest13:10:060
1068911450,8ptp4l10871-21kworker/3:209:05:593
307162870,2sleep10-21swapper/110:24:221
106891710,1ptp4l401ktimersoftd/313:04:543
320552670,2sleep30-21swapper/311:21:453
279652620,2sleep20-21swapper/209:13:582
279652620,2sleep20-21swapper/209:13:582
25273996250,7cyclictest9-21ksoftirqd/009:29:100
106891600,1ptp4l401ktimersoftd/313:18:273
2527899588,25cyclictest2460-21sed09:24:251
249842564,39sleep20-21swapper/209:06:352
251632554,10sleep10-21swapper/109:08:521
25273994940,4cyclictest9-21ksoftirqd/009:54:110
25273994842,3cyclictest9-21ksoftirqd/013:14:060
25273994729,3cyclictest9-21ksoftirqd/009:19:100
25273994522,4cyclictest9-21ksoftirqd/010:29:250
25273994516,6cyclictest9-21ksoftirqd/012:29:120
180522450,1sleep30-21swapper/314:27:063
25273994438,3cyclictest9-21ksoftirqd/011:09:030
25273994420,4cyclictest9-21ksoftirqd/013:24:160
25273994412,6cyclictest9-21ksoftirqd/012:34:150
2529199430,3cyclictest30735-21/usr/sbin/munin10:24:253
25273994331,3cyclictest9-21ksoftirqd/011:39:020
25273994327,13cyclictest9-21ksoftirqd/012:59:170
25273994320,4cyclictest9-21ksoftirqd/011:54:160
25273994318,4cyclictest9-21ksoftirqd/011:29:220
2527899420,4cyclictest27901-21seq11:49:451
25273994232,3cyclictest9-21ksoftirqd/009:59:190
25273994218,4cyclictest9-21ksoftirqd/011:59:300
2529199411,35cyclictest0-21swapper/313:54:163
25273994121,9cyclictest9-21ksoftirqd/010:09:270
25273994118,4cyclictest9-21ksoftirqd/012:49:200
25273994118,4cyclictest9-21ksoftirqd/012:49:200
25273994116,4cyclictest9-21ksoftirqd/014:37:430
25291994015,21cyclictest29681-21grep12:59:163
2527899402,10cyclictest6562-21apt-get13:09:151
2527399408,3cyclictest9-21ksoftirqd/012:19:000
25273994017,7cyclictest9-21ksoftirqd/010:24:270
2527899394,28cyclictest9914-21ssh14:19:151
2527899393,3cyclictest0-21swapper/113:52:091
2527899392,31cyclictest0-21swapper/111:19:121
2527899390,4cyclictest13580-21ssh12:42:521
25273993934,3cyclictest9-21ksoftirqd/014:24:160
25273993933,3cyclictest9-21ksoftirqd/011:44:120
25273993933,3cyclictest9-21ksoftirqd/011:39:000
25273993930,3cyclictest9-21ksoftirqd/012:04:230
25273993928,3cyclictest9-21ksoftirqd/014:19:180
25273993927,10cyclictest9-21ksoftirqd/012:24:320
25273993926,10cyclictest9-21ksoftirqd/013:39:190
25273993924,12cyclictest9-21ksoftirqd/009:49:110
25273993917,3cyclictest9-21ksoftirqd/009:09:120
25273993917,3cyclictest9-21ksoftirqd/009:09:120
25273993916,4cyclictest9-21ksoftirqd/014:14:150
25273993915,4cyclictest9-21ksoftirqd/013:04:090
2527399390,7cyclictest9-21ksoftirqd/010:53:580
106891390,1ptp4l401ktimersoftd/314:04:103
106891390,1ptp4l401ktimersoftd/314:03:113
106891390,1ptp4l401ktimersoftd/313:45:283
106891390,1ptp4l401ktimersoftd/313:32:453
106891390,1ptp4l401ktimersoftd/313:21:013
106891390,1ptp4l401ktimersoftd/312:40:243
106891390,1ptp4l401ktimersoftd/311:58:013
106891390,1ptp4l401ktimersoftd/311:36:013
25291993817,18cyclictest10611-21irqrtprio14:19:223
2527899383,30cyclictest64-21kswapd014:14:151
2527899382,31cyclictest0-21swapper/113:34:151
2527899382,30cyclictest0-21swapper/110:39:101
2527899380,6cyclictest15468-21ps14:24:231
2527399389,5cyclictest9-21ksoftirqd/013:44:330
25273993832,3cyclictest9-21ksoftirqd/013:59:030
25273993815,4cyclictest9-21ksoftirqd/011:04:210
25273993815,4cyclictest9-21ksoftirqd/009:34:250
106891380,1ptp4l401ktimersoftd/314:37:463
106891380,1ptp4l401ktimersoftd/313:43:253
106891380,1ptp4l401ktimersoftd/313:25:163
106891380,1ptp4l401ktimersoftd/312:53:033
106891380,1ptp4l401ktimersoftd/312:53:033
106891380,1ptp4l401ktimersoftd/312:30:103
106891380,1ptp4l401ktimersoftd/312:25:003
106891380,1ptp4l401ktimersoftd/312:20:133
106891380,1ptp4l401ktimersoftd/311:50:263
106891380,1ptp4l401ktimersoftd/311:26:333
106891380,1ptp4l401ktimersoftd/311:18:323
25291993720,14cyclictest41-21ksoftirqd/309:20:373
25291993710,24cyclictest6199-21sed10:43:583
2529199370,8cyclictest16350-21apt-get11:04:143
2527899372,4cyclictest27634-21apt-get12:24:141
25278993712,21cyclictest2239-21gltestperf13:04:211
25278993710,23cyclictest21336-21fschecks_count11:44:161
2527899370,7cyclictest19707-21awk12:14:321
2527899370,5cyclictest32307-21snmp_o5powerctl09:19:231
2527899370,4cyclictest5834-21ssh12:00:391
2527899370,4cyclictest16594-21ssh12:12:311
2527899370,4cyclictest12049-21ssh13:47:461
2527899370,33cyclictest5631-21/usr/sbin/munin12:34:211
25273993731,3cyclictest9-21ksoftirqd/014:29:230
25273993731,3cyclictest9-21ksoftirqd/014:09:030
25273993731,3cyclictest9-21ksoftirqd/013:49:170
25273993731,3cyclictest9-21ksoftirqd/010:38:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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