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2025-11-30 - 04:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Sun Nov 30, 2025 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251109910978,18cyclictest14-21ksoftirqd/023:20:150
251109910877,19cyclictest14-21ksoftirqd/022:15:180
544121070,7sleep15445-21unixbench_multi19:40:371
251109910677,18cyclictest14-21ksoftirqd/022:05:170
251109910676,16cyclictest14-21ksoftirqd/020:10:160
251109910376,15cyclictest14-21ksoftirqd/019:50:150
24729210124,32sleep10-21swapper/119:08:111
24729210124,32sleep10-21swapper/119:08:111
25110999869,20cyclictest14-21ksoftirqd/020:40:160
25110999869,19cyclictest14-21ksoftirqd/023:45:140
25110999726,23cyclictest0-21swapper/023:15:160
25110999668,19cyclictest14-21ksoftirqd/000:10:240
25110999662,21cyclictest14-21ksoftirqd/023:10:140
25110999465,17cyclictest14-21ksoftirqd/022:35:140
25110999463,20cyclictest0-21swapper/023:50:150
25110999460,20cyclictest14-21ksoftirqd/022:20:150
25110999364,20cyclictest14-21ksoftirqd/023:40:160
25110999261,21cyclictest14-21ksoftirqd/021:45:140
2465329218,26sleep00-21swapper/019:07:230
2465329218,26sleep00-21swapper/019:07:220
25110999167,16cyclictest14-21ksoftirqd/023:00:160
25110999058,20cyclictest14-21ksoftirqd/022:55:170
25110999058,19cyclictest14-21ksoftirqd/000:35:240
25110998961,17cyclictest14-21ksoftirqd/022:45:140
25110998961,17cyclictest14-21ksoftirqd/022:45:130
25110998959,19cyclictest0-21swapper/019:30:140
25110998911,65cyclictest0-21swapper/019:40:150
25110998756,20cyclictest14-21ksoftirqd/020:50:120
25110998656,19cyclictest14-21ksoftirqd/022:40:150
25110998612,31cyclictest0-21swapper/021:35:160
25110998549,23cyclictest14-21ksoftirqd/019:45:160
25110998450,21cyclictest14-21ksoftirqd/019:25:130
25110998347,23cyclictest14-21ksoftirqd/000:15:220
25110998250,21cyclictest0-21swapper/023:30:110
25110998151,19cyclictest14-21ksoftirqd/023:55:140
25110998044,24cyclictest14-21ksoftirqd/021:10:170
25110998044,22cyclictest14-21ksoftirqd/022:00:180
25110998043,25cyclictest14-21ksoftirqd/000:30:140
25110998040,27cyclictest14-21ksoftirqd/019:10:240
25110997949,18cyclictest14-21ksoftirqd/021:20:140
25110997946,22cyclictest14-21ksoftirqd/022:30:140
25110997851,18cyclictest14-21ksoftirqd/023:05:130
25110997851,18cyclictest14-21ksoftirqd/023:05:120
25110997839,27cyclictest14-21ksoftirqd/020:25:140
25110997813,52cyclictest0-21swapper/021:15:240
25110997812,52cyclictest0-21swapper/020:00:160
25110997644,20cyclictest0-21swapper/020:35:150
25110997613,51cyclictest0-21swapper/022:10:120
25110997434,29cyclictest14-21ksoftirqd/023:35:140
25110997431,31cyclictest14-21ksoftirqd/019:55:150
25110997413,48cyclictest0-21swapper/021:50:160
25110997334,29cyclictest14-21ksoftirqd/000:25:140
25110997312,51cyclictest0-21swapper/019:15:170
25116997220,45cyclictest0-21swapper/122:35:221
25110997241,19cyclictest0-21swapper/000:05:160
25116997053,10cyclictest26-21ksoftirqd/122:22:291
25110997027,31cyclictest14-21ksoftirqd/021:55:140
25110997025,33cyclictest14-21ksoftirqd/023:25:160
25116996942,10cyclictest504-21snmpd19:20:521
2511099698,48cyclictest450-21avahi-daemon00:00:160
25110996938,20cyclictest0-21swapper/021:30:110
25110996833,22cyclictest0-21swapper/020:05:150
25110996826,32cyclictest14-21ksoftirqd/020:45:150
25110996820,37cyclictest0-21swapper/020:30:140
25116996732,22cyclictest0-21swapper/120:15:161
25110996733,22cyclictest0-21swapper/021:05:170
25110996731,23cyclictest0-21swapper/022:50:160
25110996729,24cyclictest0-21swapper/022:25:110
25110996713,39cyclictest0-21swapper/021:00:170
25116996637,17cyclictest26-21ksoftirqd/121:45:021
25110996621,19cyclictest254-21systemd-journal21:26:180
2511699658,36cyclictest3337-21diskmemload21:10:141
25110996520,18cyclictest6853-21aten2.4-expect00:20:180
25116996436,10cyclictest504-21snmpd20:49:311
25116996435,17cyclictest26-21ksoftirqd/123:16:011
25110996437,16cyclictest0-21swapper/020:15:150
25110996428,23cyclictest0-21swapper/020:20:140
25116996325,22cyclictest0-21swapper/123:25:151
25110996327,26cyclictest0-21swapper/021:40:140
25110996322,29cyclictest0-21swapper/020:55:140
25110996310,38cyclictest29795-21apt-get19:20:150
25116996233,16cyclictest26-21ksoftirqd/121:42:351
25110996218,31cyclictest0-21swapper/019:35:170
25116996122,24cyclictest0-21swapper/123:45:141
2511699603,51cyclictest12334-21/usr/sbin/munin00:35:361
25116996031,17cyclictest26-21ksoftirqd/123:12:551
25116996029,13cyclictest26-21ksoftirqd/122:20:011
25116996014,41cyclictest0-21swapper/122:26:001
25116995931,16cyclictest26-21ksoftirqd/100:18:261
25116995916,38cyclictest26-21ksoftirqd/120:21:581
25116995839,12cyclictest26-21ksoftirqd/121:15:291
25116995812,41cyclictest0-21swapper/100:00:331
2511699579,42cyclictest0-21swapper/121:50:241
25116995741,10cyclictest26-21ksoftirqd/121:35:171
25116995741,10cyclictest26-21ksoftirqd/120:50:311
25116995740,11cyclictest26-21ksoftirqd/123:40:211
25116995740,11cyclictest0-21swapper/119:10:451
25116995740,10cyclictest26-21ksoftirqd/123:55:301
25116995740,10cyclictest26-21ksoftirqd/123:05:351
25116995740,10cyclictest26-21ksoftirqd/123:05:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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