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2026-05-15 - 22:43
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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 Fri May 15, 2026 13:02:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3494299214210,2cyclictest0-21swapper/010:45:350
3494299214210,2cyclictest0-21swapper/010:45:350
3498399204192,10cyclictest0-21swapper/3510:00:1529
3498399204192,10cyclictest0-21swapper/3510:00:1429
3498399202194,6cyclictest0-21swapper/3512:25:1829
3498399202194,6cyclictest0-21swapper/3512:25:1829
3498399202194,6cyclictest0-21swapper/3512:25:1729
3494899201188,11cyclictest0-21swapper/612:11:5736
3494899201188,11cyclictest0-21swapper/612:11:5636
3498399200194,4cyclictest0-21swapper/3511:35:1929
3498399200194,4cyclictest0-21swapper/3511:35:1929
3498399200194,4cyclictest0-21swapper/3511:35:1929
3495799200190,8cyclictest0-21swapper/1310:05:015
3495799200190,8cyclictest0-21swapper/1310:05:015
3495999197188,4cyclictest15439-21systemd-cgroups11:30:217
3495999197188,4cyclictest15439-21systemd-cgroups11:30:217
3495999197188,4cyclictest15439-21systemd-cgroups11:30:217
3494899197190,5cyclictest0-21swapper/612:34:3136
3494899197190,5cyclictest0-21swapper/612:34:3036
3495999195190,4cyclictest0-21swapper/1511:17:047
3495999195190,4cyclictest0-21swapper/1511:17:037
3495999195190,4cyclictest0-21swapper/1511:17:037
3496699194188,4cyclictest0-21swapper/2209:32:1615
3496699194188,4cyclictest0-21swapper/2209:32:1615
3496699194188,4cyclictest0-21swapper/2209:32:1515
3495999193187,4cyclictest0-21swapper/1512:07:317
3495999193187,4cyclictest0-21swapper/1512:07:317
3495799193178,12cyclictest0-21swapper/1310:46:305
3495799193178,12cyclictest0-21swapper/1310:46:305
3495999192185,5cyclictest0-21swapper/1507:30:287
3495999192185,5cyclictest0-21swapper/1507:30:287
3498399191184,5cyclictest0-21swapper/3507:14:4029
3498399191184,5cyclictest0-21swapper/3507:14:4029
3496599191137,52cyclictest0-21swapper/2110:05:5314
3496599191137,52cyclictest0-21swapper/2110:05:5314
3496299191180,9cyclictest0-21swapper/1810:25:1610
3496299191180,9cyclictest0-21swapper/1810:25:1610
3496699190184,3cyclictest0-21swapper/2211:50:1815
3496699190184,3cyclictest0-21swapper/2211:50:1715
3495799190180,8cyclictest12464-21expr09:30:125
3495799190180,8cyclictest12464-21expr09:30:125
3495799190180,8cyclictest12464-21expr09:30:115
3498399189173,13cyclictest0-21swapper/3510:49:3029
3498399189173,13cyclictest0-21swapper/3510:49:3029
3495799189182,5cyclictest0-21swapper/1309:36:045
3495799189182,5cyclictest0-21swapper/1309:36:045
3495799189182,5cyclictest0-21swapper/1309:36:035
3498399186179,5cyclictest36190-21sshd11:28:3129
3498399186179,5cyclictest36190-21sshd11:28:3129
3498399186179,5cyclictest36190-21sshd11:28:3029
3498399186177,6cyclictest0-21swapper/3510:35:2929
3498399186177,6cyclictest0-21swapper/3510:35:2929
3496699186177,4cyclictest0-21swapper/2209:55:1915
3496699186177,4cyclictest0-21swapper/2209:55:1915
3496699186177,4cyclictest0-21swapper/2209:55:1915
3498499185158,19cyclictest0-21swapper/3610:48:3230
3498499185158,19cyclictest0-21swapper/3610:48:3230
3498399185179,4cyclictest0-21swapper/3511:34:2029
3498399185179,4cyclictest0-21swapper/3511:34:2029
3498399185179,4cyclictest0-21swapper/3511:34:1929
3498399185177,6cyclictest3072-21sshd11:21:0929
3498399185177,6cyclictest3072-21sshd11:21:0829
3498399185177,6cyclictest3072-21sshd11:21:0829
3498399185170,9cyclictest0-21swapper/3511:47:0329
3498399185170,9cyclictest0-21swapper/3511:47:0329
3498399183163,12cyclictest0-21swapper/3509:59:1929
3498399183163,12cyclictest0-21swapper/3509:59:1929
3498399183163,12cyclictest0-21swapper/3509:59:1929
3495799183175,6cyclictest0-21swapper/1312:30:135
3495799183175,6cyclictest0-21swapper/1312:30:135
3498399182178,2cyclictest13274-21sshd12:13:0329
3498399182178,2cyclictest13274-21sshd12:13:0229
3496699182173,8cyclictest0-21swapper/2207:40:1915
3496699182173,8cyclictest0-21swapper/2207:40:1915
3496699182173,8cyclictest0-21swapper/2207:40:1815
3496699182170,8cyclictest755-21systemd-journal11:42:3415
3496699182170,8cyclictest755-21systemd-journal11:42:3315
3496599182148,29cyclictest0-21swapper/2112:25:3314
3496599182148,29cyclictest0-21swapper/2112:25:3314
3496599182148,29cyclictest0-21swapper/2112:25:3314
3496599182116,55cyclictest0-21swapper/2111:55:2214
3496599182116,55cyclictest0-21swapper/2111:55:2214
3496599182116,55cyclictest0-21swapper/2111:55:2214
3495999182176,4cyclictest0-21swapper/1508:50:317
3495999182176,4cyclictest0-21swapper/1508:50:307
3495999182174,4cyclictest2454-21CPU7
3495999182174,4cyclictest2454-21CPU7
3494899182173,7cyclictest0-21swapper/609:21:5736
3494899182173,7cyclictest0-21swapper/609:21:5736
3494899182173,7cyclictest0-21swapper/609:21:5736
3494899182172,7cyclictest0-21swapper/609:53:1236
3494899182172,7cyclictest0-21swapper/609:53:1136
3494899182170,9cyclictest5470-21systemctl09:10:1636
3494899182170,9cyclictest5470-21systemctl09:10:1636
3494899182170,9cyclictest5470-21systemctl09:10:1536
3498399181176,4cyclictest0-21swapper/3507:18:2129
3498399181176,4cyclictest0-21swapper/3507:18:2029
3498399181171,8cyclictest0-21swapper/3511:57:4429
3498399181171,8cyclictest0-21swapper/3511:57:4329
3498399181171,8cyclictest0-21swapper/3511:57:4329
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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