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2026-07-15 - 23:11
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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 Jul 15, 2026 13:02:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3399899215210,3cyclictest0-21swapper/809:20:1538
3399899215210,3cyclictest0-21swapper/809:20:1538
3399699211206,2cyclictest0-21swapper/609:47:4936
3399699211206,2cyclictest0-21swapper/609:47:4936
3399699211206,2cyclictest0-21swapper/609:47:4936
3399699208201,4cyclictest0-21swapper/609:59:5136
3399699208201,4cyclictest0-21swapper/609:59:5136
3399699208201,4cyclictest0-21swapper/609:59:5136
3399699204199,4cyclictest0-21swapper/609:24:1236
3399699204199,4cyclictest0-21swapper/609:24:1136
3399699204196,6cyclictest11063-21sshd10:56:5236
3399699204196,6cyclictest11063-21sshd10:56:5236
3402899203189,11cyclictest0-21swapper/2909:28:1922
3402899203189,11cyclictest0-21swapper/2909:28:1822
3399699203195,4cyclictest3610-21CPU36
3399699203195,4cyclictest3610-21CPU36
3399699203195,4cyclictest3610-21CPU36
3399699201194,5cyclictest0-21swapper/609:15:0536
3399699201194,5cyclictest0-21swapper/609:15:0536
3399699201194,5cyclictest0-21swapper/609:15:0536
3402099200197,2cyclictest0-21swapper/2309:37:5416
3402099200197,2cyclictest0-21swapper/2309:37:5416
3402099200197,2cyclictest0-21swapper/2309:37:5416
3402099198138,51cyclictest2461-21CPU16
3402099198138,51cyclictest2461-21CPU16
3402099198138,51cyclictest2461-21CPU16
3399699198192,5cyclictest0-21swapper/609:16:0036
3399699198192,5cyclictest0-21swapper/609:16:0036
3403199197190,5cyclictest0-21swapper/3108:01:0825
3399699197191,4cyclictest0-21swapper/611:05:1536
3399699197191,4cyclictest0-21swapper/611:05:1536
3403199196190,4cyclictest0-21swapper/3107:20:5025
3403199196190,4cyclictest0-21swapper/3107:20:5025
3403799195191,2cyclictest0-21swapper/3507:50:1729
3403799195191,2cyclictest0-21swapper/3507:50:1729
3401199195186,7cyclictest30353-21kworker/u82:1-events_unbound10:11:0610
3401199195186,7cyclictest30353-21kworker/u82:1-events_unbound10:11:0610
3399699194187,5cyclictest0-21swapper/610:48:0036
3399699194187,5cyclictest0-21swapper/610:48:0036
3399699194187,5cyclictest0-21swapper/610:48:0036
3399699192187,4cyclictest0-21swapper/611:03:4836
3399699192187,4cyclictest0-21swapper/611:03:4836
3399699192186,5cyclictest0-21swapper/610:17:3636
3399699192186,5cyclictest0-21swapper/610:17:3636
34000991911,133cyclictest0-21swapper/1007:45:142
34000991911,133cyclictest0-21swapper/1007:45:142
3399699191186,4cyclictest0-21swapper/609:44:2136
3399699191186,4cyclictest0-21swapper/609:44:2136
3399699191181,6cyclictest3546-21CPU36
3399699191181,6cyclictest3546-21CPU36
3399699191181,6cyclictest3546-21CPU36
3399699190175,13cyclictest0-21swapper/610:06:3736
3399699190175,13cyclictest0-21swapper/610:06:3736
3400699189147,25cyclictest0-21swapper/1508:40:567
3400699189147,25cyclictest0-21swapper/1508:40:567
3399699189182,5cyclictest0-21swapper/610:11:0336
3399699189182,5cyclictest0-21swapper/610:11:0336
3401499188167,11cyclictest0-21swapper/2012:30:2313
3401499188167,11cyclictest0-21swapper/2012:30:2213
3399699188173,10cyclictest0-21swapper/610:36:5436
3399699188173,10cyclictest0-21swapper/610:36:5436
3399699188173,10cyclictest0-21swapper/610:36:5436
3403399187179,5cyclictest0-21swapper/3209:20:2326
3403399187179,5cyclictest0-21swapper/3209:20:2326
3403199187179,6cyclictest0-21swapper/3108:20:1325
3403199187179,6cyclictest0-21swapper/3108:20:1325
3399699186169,10cyclictest0-21swapper/609:51:2636
3399699186169,10cyclictest0-21swapper/609:51:2636
3399699186169,10cyclictest0-21swapper/609:51:2636
3403799185180,3cyclictest0-21swapper/3511:40:0129
3403799185180,3cyclictest0-21swapper/3511:40:0129
3399699185180,4cyclictest0-21swapper/611:12:3436
3399699185180,4cyclictest0-21swapper/611:12:3436
3399699185173,9cyclictest0-21swapper/610:23:1536
3399699185173,9cyclictest0-21swapper/610:23:1536
3399699185102,79cyclictest37269-21CPU36
3399699185102,79cyclictest37269-21CPU36
340289918445,39cyclictest0-21swapper/2909:10:1322
340289918445,39cyclictest0-21swapper/2909:10:1322
340289918445,39cyclictest0-21swapper/2909:10:1322
3399699184163,18cyclictest0-21swapper/609:00:1936
3399699184163,18cyclictest0-21swapper/609:00:1936
3403199183162,13cyclictest0-21swapper/3109:22:3725
3403199183162,13cyclictest0-21swapper/3109:22:3725
340179918358,118cyclictest3544-21CPU15
340179918358,118cyclictest3544-21CPU15
340179918358,118cyclictest3544-21CPU15
3400599183174,6cyclictest3543-21CPU6
3400599183174,6cyclictest3543-21CPU6
3399699183177,4cyclictest0-21swapper/608:45:5336
3399699183177,4cyclictest0-21swapper/608:45:5336
3404099182150,26cyclictest0-21swapper/3710:49:2631
3404099182150,26cyclictest0-21swapper/3710:49:2631
3404099182150,26cyclictest0-21swapper/3710:49:2631
3403199182177,3cyclictest0-21swapper/3107:35:2125
3403199182177,3cyclictest0-21swapper/3107:35:2125
3401199182121,50cyclictest3542-21CPU10
3401199182121,50cyclictest3542-21CPU10
3400099182141,33cyclictest0-21swapper/1009:20:332
3400099182141,33cyclictest0-21swapper/1009:20:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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