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2026-07-11 - 04:24
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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 11, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1328021780,5sleep31955499cyclictest00:11:493
1667321540,5sleep31955499cyclictest23:41:493
1785921500,2sleep30-21swapper/302:26:593
1068911220,8ptp4l16968-21kworker/3:221:05:093
310072710,2sleep00-21swapper/001:02:000
19542996811,23cyclictest14299-21sh01:17:481
106891660,1ptp4l401ktimersoftd/322:25:403
30162620,4sleep1241ktimersoftd/101:40:031
319602610,2sleep231961-21sh00:31:232
250222610,5sleep01953799cyclictest23:51:140
106891600,1ptp4l401ktimersoftd/323:32:223
19537995846,6cyclictest9-21ksoftirqd/000:21:400
106891580,1ptp4l401ktimersoftd/302:05:473
106891560,1ptp4l401ktimersoftd/302:08:263
19537995342,5cyclictest9-21ksoftirqd/001:26:450
19537995338,8cyclictest9-21ksoftirqd/021:56:410
19537995239,6cyclictest9-21ksoftirqd/022:16:400
19537995138,6cyclictest9-21ksoftirqd/000:11:440
19542995012,23cyclictest11381-21sh00:09:471
1954299489,25cyclictest1055-21runrttasks22:48:231
48542470,2sleep30-21swapper/301:41:503
19554994726,12cyclictest46850irq/99-ens3-TxR01:16:453
1941024729,8sleep10-21swapper/121:06:071
19537994633,7cyclictest9-21ksoftirqd/000:51:430
19537994632,7cyclictest9-21ksoftirqd/001:56:450
1954299451,5cyclictest20544-21chrt23:46:331
19537994533,6cyclictest9-21ksoftirqd/000:31:430
19537994335,4cyclictest9-21ksoftirqd/000:06:420
19537994229,6cyclictest9-21ksoftirqd/022:21:400
1926324123,8sleep00-21swapper/021:04:120
106891410,1ptp4l401ktimersoftd/323:30:553
9102400,2sleep00-21swapper/021:31:470
1955499403,7cyclictest0-21swapper/321:31:403
19537994030,6cyclictest9-21ksoftirqd/000:41:440
19537994026,7cyclictest9-21ksoftirqd/022:36:410
19537994026,7cyclictest9-21ksoftirqd/022:36:410
19548993933,3cyclictest0-21swapper/221:06:272
19548993921,10cyclictest33-21ksoftirqd/201:51:452
19537993927,6cyclictest9-21ksoftirqd/002:21:460
106891390,1ptp4l401ktimersoftd/301:36:273
106891390,1ptp4l401ktimersoftd/301:16:343
106891390,1ptp4l401ktimersoftd/300:08:333
58362380,5sleep15844-21cpuspeed_turbos23:31:441
19554993813,5cyclictest7537-21grep21:46:433
19554993813,3cyclictest26389-21ls22:26:423
1954299381,31cyclictest0-21swapper/102:11:461
19537993821,8cyclictest14774-21ssh00:46:440
106891380,1ptp4l401ktimersoftd/323:55:023
106891380,1ptp4l401ktimersoftd/323:48:443
106891380,1ptp4l401ktimersoftd/323:25:393
106891380,1ptp4l401ktimersoftd/301:53:593
106891380,1ptp4l401ktimersoftd/301:31:313
106891380,1ptp4l401ktimersoftd/301:10:153
106891380,1ptp4l401ktimersoftd/300:58:333
106891380,1ptp4l401ktimersoftd/300:25:523
106891380,1ptp4l401ktimersoftd/300:17:543
106891380,1ptp4l401ktimersoftd/300:17:543
19554993712,4cyclictest10665-21cut00:41:513
19554993712,3cyclictest18010-21cat23:11:443
1954299372,30cyclictest0-21swapper/123:51:421
1954299371,32cyclictest5682-21ps00:36:511
19542993712,22cyclictest18645-21cat01:56:341
1954299370,8cyclictest0-21swapper/101:35:571
19537993732,3cyclictest9-21ksoftirqd/002:36:350
106891370,1ptp4l401ktimersoftd/323:36:353
106891370,1ptp4l401ktimersoftd/323:06:533
106891370,1ptp4l401ktimersoftd/302:34:293
106891370,1ptp4l401ktimersoftd/302:23:163
106891370,1ptp4l401ktimersoftd/301:50:443
106891370,1ptp4l401ktimersoftd/301:37:523
106891370,1ptp4l401ktimersoftd/300:02:443
106891370,1ptp4l401ktimersoftd/300:01:113
106891370,0ptp4l401ktimersoftd/300:32:433
19554993612,3cyclictest2700-21expr21:36:403
19542993614,19cyclictest22078-21sh01:59:061
19542993612,21cyclictest30412-21grep21:26:451
19542993612,21cyclictest26689-21sed22:26:451
19542993612,21cyclictest12202-21sh01:49:011
19542993610,22cyclictest4592-21latency_hist00:36:321
1954299360,4cyclictest4303-21ssh01:41:451
106891360,1ptp4l401ktimersoftd/323:01:583
106891360,1ptp4l401ktimersoftd/321:52:273
106891360,1ptp4l401ktimersoftd/301:57:523
106891360,0ptp4l401ktimersoftd/300:28:053
19554993513,3cyclictest25149-21/usr/sbin/munin21:16:483
19554993511,3cyclictest6407-21latency_hist02:16:353
1954299352,4cyclictest9870-21apt-get00:41:441
1954299352,4cyclictest0-21swapper/102:16:461
1954299352,28cyclictest0-21swapper/122:41:411
19542993519,13cyclictest25-21ksoftirqd/121:41:351
1954299351,31cyclictest17757-21rm00:16:431
1954299351,31cyclictest17757-21rm00:16:431
19542993513,19cyclictest25935-21sed21:16:471
19542993512,20cyclictest13242-21fschecks_count23:06:451
19542993511,21cyclictest5607-21/usr/sbin/munin22:51:471
19537993528,4cyclictest27283-21sh21:21:280
1955499348,8cyclictest10132-21sh23:01:303
19554993413,3cyclictest1041-21sh01:05:413
1954299346,16cyclictest3016-21ssh00:01:431
1954299342,5cyclictest0-21swapper/102:01:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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