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2026-06-20 - 21:10
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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 Sat Jun 20, 2026 13:02:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3611199204196,6cyclictest0-21swapper/1509:11:067
3611199204196,6cyclictest0-21swapper/1509:11:067
3611199198193,4cyclictest0-21swapper/1509:35:077
3611199198193,4cyclictest0-21swapper/1509:35:067
3611199198193,4cyclictest0-21swapper/1509:35:067
3611199197192,4cyclictest0-21swapper/1509:05:267
3611199197192,4cyclictest0-21swapper/1509:05:257
3611199197192,4cyclictest0-21swapper/1509:05:257
3612899196188,4cyclictest3544-21CPU22
3612899196188,4cyclictest3544-21CPU22
3612899195186,6cyclictest3681-21sshd12:40:0222
3612899195186,6cyclictest3681-21sshd12:40:0122
3611199195192,2cyclictest0-21swapper/1508:43:057
3611199195192,2cyclictest0-21swapper/1508:43:057
3612899191181,8cyclictest29245-21switchtime07:30:3422
3612899191181,8cyclictest29245-21switchtime07:30:3322
3612899187181,4cyclictest0-21swapper/2910:02:2222
3612899187181,4cyclictest0-21swapper/2910:02:2122
3612899187181,4cyclictest0-21swapper/2910:02:2122
3612399187113,52cyclictest0-21swapper/2611:40:3819
3612399187113,52cyclictest0-21swapper/2611:40:3819
3611199186181,4cyclictest0-21swapper/1508:33:447
3611199186181,4cyclictest0-21swapper/1508:33:447
3612399184112,57cyclictest0-21swapper/2609:34:2819
3612399184112,57cyclictest0-21swapper/2609:34:2719
3612399184112,57cyclictest0-21swapper/2609:34:2719
3611199183175,6cyclictest0-21swapper/1508:27:187
3611199183175,6cyclictest0-21swapper/1508:27:177
3611199182176,5cyclictest0-21swapper/1507:31:207
3611199182176,5cyclictest0-21swapper/1507:31:197
3612899181172,7cyclictest17484-21nfsd09:40:1422
3612899181172,7cyclictest17484-21nfsd09:40:1322
3612899180175,4cyclictest0-21swapper/2909:53:5222
3612899180175,4cyclictest0-21swapper/2909:53:5122
3612899180175,4cyclictest0-21swapper/2909:53:5122
3612899180175,4cyclictest0-21swapper/2909:53:5122
3612899180172,6cyclictest0-21swapper/2911:15:1822
3612899180172,6cyclictest0-21swapper/2911:15:1822
3612899179170,7cyclictest21032-21systemd10:30:0122
3612899179170,7cyclictest21032-21systemd10:30:0122
3611199179174,4cyclictest0-21swapper/1509:27:077
3611199179174,4cyclictest0-21swapper/1509:27:067
3611199179174,4cyclictest0-21swapper/1509:27:067
3612899178169,7cyclictest0-21swapper/2910:33:1222
3612899178169,7cyclictest0-21swapper/2910:33:1222
3611199178168,4cyclictest0-21swapper/1509:36:037
3611199178168,4cyclictest0-21swapper/1509:36:037
3612899177171,4cyclictest0-21swapper/2908:26:1822
3612899177171,4cyclictest0-21swapper/2908:26:1822
3612899177170,3cyclictest2462-21CPU22
3612899177170,3cyclictest2462-21CPU22
3612899177170,3cyclictest2462-21CPU22
3613099176171,3cyclictest0-21swapper/3110:38:0125
3613099176171,3cyclictest0-21swapper/3110:38:0025
3612899176166,7cyclictest0-21swapper/2909:29:5822
3612899176166,7cyclictest0-21swapper/2909:29:5722
3612899176166,7cyclictest0-21swapper/2909:29:5722
3612399176120,43cyclictest0-21swapper/2609:55:0019
3612399176120,43cyclictest0-21swapper/2609:55:0019
3612399176120,43cyclictest0-21swapper/2609:55:0019
3612399176120,43cyclictest0-21swapper/2609:55:0019
3612899175169,5cyclictest0-21swapper/2911:12:5622
3612899175169,5cyclictest0-21swapper/2911:12:5522
3612899175169,5cyclictest0-21swapper/2911:12:5522
3612899175169,4cyclictest0-21swapper/2911:46:5722
3612899175169,4cyclictest0-21swapper/2911:46:5622
3612899175169,4cyclictest0-21swapper/2911:24:5622
3612899175169,4cyclictest0-21swapper/2911:24:5622
3612899175152,18cyclictest24952-21packagekitd09:47:3222
3612899175152,18cyclictest24952-21packagekitd09:47:3222
3611199173153,14cyclictest0-21swapper/1508:46:047
3611199173153,14cyclictest0-21swapper/1508:46:037
3613099172166,4cyclictest0-21swapper/3111:19:1825
3613099172166,4cyclictest0-21swapper/3111:19:1825
3612899172167,4cyclictest0-21swapper/2907:54:0422
3612899172167,4cyclictest0-21swapper/2907:54:0422
3612899172167,4cyclictest0-21swapper/2907:54:0322
3611199172133,30cyclictest2466-21CPU7
3611199172133,30cyclictest2466-21CPU7
3613899171111,44cyclictest2466-21CPU30
3613899171111,44cyclictest2466-21CPU30
3612899171161,8cyclictest0-21swapper/2907:35:2422
3612899171161,8cyclictest0-21swapper/2907:35:2422
3612899171146,24cyclictest0-21swapper/2909:14:0222
3612899171146,24cyclictest0-21swapper/2909:14:0222
3612399171108,48cyclictest0-21swapper/2609:29:3119
3612399171108,48cyclictest0-21swapper/2609:29:3119
3612399171108,48cyclictest0-21swapper/2609:29:3119
3611199171132,22cyclictest0-21swapper/1512:18:237
3611199171132,22cyclictest0-21swapper/1512:18:227
3612199170162,5cyclictest1-21systemd10:02:5517
3612199170162,5cyclictest1-21systemd10:02:5417
3612199170162,5cyclictest1-21systemd10:02:5417
3611199170162,7cyclictest0-21swapper/1508:07:487
3611199170162,7cyclictest0-21swapper/1508:07:487
3611199170138,14cyclictest171rcu_preempt10:51:597
3611199170138,14cyclictest171rcu_preempt10:51:597
3613099169160,2cyclictest0-21swapper/3110:43:1025
3613099169160,2cyclictest0-21swapper/3110:43:1025
3612899169160,5cyclictest37356-21CPU22
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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