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2026-09-23 - 02:59
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Wed Sep 23, 2026 01:01:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2433099219211,5cyclictest0-21swapper/022:18:270
2433099219211,5cyclictest0-21swapper/022:18:270
2433099212197,12cyclictest0-21swapper/022:21:280
2433099212197,12cyclictest0-21swapper/022:21:280
2433099207199,4cyclictest0-21swapper/022:47:320
2433099207199,4cyclictest0-21swapper/022:47:320
2433099207194,8cyclictest0-21swapper/022:40:220
2433099207194,8cyclictest0-21swapper/022:40:220
2433099207194,8cyclictest0-21swapper/022:40:210
2433099202196,4cyclictest0-21swapper/022:26:440
2433099202196,4cyclictest0-21swapper/022:26:440
2433599196137,37cyclictest0-21swapper/522:59:4135
2433599196137,37cyclictest0-21swapper/522:59:4135
2437199195176,12cyclictest0-21swapper/3521:53:5929
2437199195176,12cyclictest0-21swapper/3521:53:5929
2433599192130,48cyclictest0-21swapper/521:30:0835
2433599192130,48cyclictest0-21swapper/521:30:0835
2433599192130,48cyclictest0-21swapper/521:30:0835
2433099192180,10cyclictest0-21swapper/022:32:020
2433099192180,10cyclictest0-21swapper/022:32:020
2433599191129,50cyclictest0-21swapper/522:07:1035
2433599191129,50cyclictest0-21swapper/522:07:1035
2433099191180,9cyclictest0-21swapper/022:14:580
2433099191180,9cyclictest0-21swapper/022:14:570
2433099191180,9cyclictest0-21swapper/022:14:570
2437199187174,11cyclictest0-21swapper/3522:24:0029
2437199187174,11cyclictest0-21swapper/3522:24:0029
2433099184172,10cyclictest0-21swapper/022:51:460
2433099184172,10cyclictest0-21swapper/022:51:450
2433099184172,10cyclictest0-21swapper/022:51:450
2433099184162,16cyclictest0-21swapper/022:36:030
2433099184162,16cyclictest0-21swapper/022:36:030
2433099184162,16cyclictest0-21swapper/022:36:030
2436899183175,6cyclictest0-21swapper/3219:20:2226
2436899183175,6cyclictest0-21swapper/3219:20:2226
2434799182162,11cyclictest0-21swapper/1521:53:597
2434799182162,11cyclictest0-21swapper/1521:53:597
2433099182138,23cyclictest0-21swapper/023:52:460
2433099182138,23cyclictest0-21swapper/023:52:450
2433599181116,49cyclictest0-21swapper/523:31:4735
2433599181116,49cyclictest0-21swapper/523:31:4735
2433099179172,2cyclictest0-21swapper/020:02:030
2433099179172,2cyclictest0-21swapper/020:02:030
2433099178155,14cyclictest0-21swapper/022:03:120
2433099178155,14cyclictest0-21swapper/022:03:120
2433999175147,25cyclictest0-21swapper/823:04:1438
2433999175147,25cyclictest0-21swapper/823:04:1438
2433599174122,38cyclictest0-21swapper/521:15:5435
2433599174122,38cyclictest0-21swapper/521:15:5435
2433099173161,9cyclictest0-21swapper/021:23:320
2433099173161,9cyclictest0-21swapper/021:23:320
2434799171158,11cyclictest0-21swapper/1522:24:017
2434799171158,11cyclictest0-21swapper/1522:24:007
2434499171127,36cyclictest2447-21CPU4
2434499171127,36cyclictest2447-21CPU4
243359917092,73cyclictest0-21swapper/523:06:0435
243359917092,73cyclictest0-21swapper/523:06:0435
2433099170118,29cyclictest0-21swapper/021:13:450
2433099170118,29cyclictest0-21swapper/021:13:450
2433599169135,28cyclictest0-21swapper/522:44:5835
2433599169135,28cyclictest0-21swapper/522:44:5835
2433599169135,28cyclictest0-21swapper/522:44:5835
2433099169132,14cyclictest171rcu_preempt21:36:130
2433099169132,14cyclictest171rcu_preempt21:36:130
2437199168139,13cyclictest0-21swapper/3522:12:1929
2437199168139,13cyclictest0-21swapper/3522:12:1929
2437199168139,13cyclictest0-21swapper/3522:12:1929
2437199168124,40cyclictest37265-21CPU29
2437199168124,40cyclictest37265-21CPU29
2433099168145,7cyclictest0-21swapper/019:24:510
2433099168145,7cyclictest0-21swapper/019:24:510
2433099168143,10cyclictest0-21swapper/023:16:420
2433099168143,10cyclictest0-21swapper/023:16:420
2433099168122,13cyclictest0-21swapper/000:32:060
2433099168122,13cyclictest0-21swapper/000:32:050
2433099168115,28cyclictest0-21swapper/000:03:500
2433099168115,28cyclictest0-21swapper/000:03:500
2437399167163,2cyclictest0-21swapper/3723:26:2431
2437399167163,2cyclictest0-21swapper/3723:26:2431
243359916778,73cyclictest0-21swapper/522:22:1935
243359916778,73cyclictest0-21swapper/522:22:1935
2433099167148,9cyclictest0-21swapper/019:10:440
2433099167148,9cyclictest0-21swapper/019:10:430
2433099167148,9cyclictest0-21swapper/019:10:430
2436799166147,10cyclictest0-21swapper/3123:21:1525
2436799166147,10cyclictest0-21swapper/3123:21:1525
2434699166161,4cyclictest0-21swapper/1420:15:346
2434699166161,4cyclictest0-21swapper/1420:15:346
2434499166154,10cyclictest0-21swapper/1222:41:514
2434499166154,10cyclictest0-21swapper/1222:41:514
2434499166154,10cyclictest0-21swapper/1222:41:504
2434499166145,12cyclictest0-21swapper/1200:13:244
2434499166145,12cyclictest0-21swapper/1200:13:234
2434499166145,12cyclictest0-21swapper/1200:13:234
2433099166150,9cyclictest0-21swapper/021:10:040
2433099166150,9cyclictest0-21swapper/021:10:030
2433099165142,9cyclictest0-21swapper/020:56:420
2433099165142,9cyclictest0-21swapper/020:56:420
2437399164157,4cyclictest0-21swapper/3723:00:4931
2437399164157,4cyclictest0-21swapper/3723:00:4931
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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