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2026-05-16 - 06:38
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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 May 16, 2026 01:01:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3097299238205,24cyclictest0-21swapper/3100:05:2725
3097299238205,24cyclictest0-21swapper/3100:05:2625
3095499234220,11cyclictest0-21swapper/1723:12:549
3095499234220,11cyclictest0-21swapper/1723:12:539
3094899230222,4cyclictest2462-21CPU4
3094899230222,4cyclictest2462-21CPU4
3094899230222,4cyclictest2462-21CPU4
3095499228206,13cyclictest0-21swapper/1721:46:159
3095499228206,13cyclictest0-21swapper/1721:46:159
3095499225219,4cyclictest0-21swapper/1723:25:269
3095499225219,4cyclictest0-21swapper/1723:25:259
3095499225209,8cyclictest0-21swapper/1721:30:579
3095499225209,8cyclictest0-21swapper/1721:30:569
3095499224209,13cyclictest0-21swapper/1721:50:149
3095499224209,13cyclictest0-21swapper/1721:50:149
3095499223206,9cyclictest0-21swapper/1721:35:569
3095499223206,9cyclictest0-21swapper/1721:35:569
3095499222212,4cyclictest4408-21CPU9
3095499222212,4cyclictest4408-21CPU9
3095499222212,4cyclictest4408-21CPU9
3097299221198,20cyclictest0-21swapper/3123:40:0025
3097299221198,20cyclictest0-21swapper/3123:40:0025
3097299220196,17cyclictest7551systemd-journal23:59:5625
3097299220196,17cyclictest7551systemd-journal23:59:5625
3095499220201,16cyclictest0-21swapper/1721:10:229
3095499220201,16cyclictest0-21swapper/1721:10:229
3097299219194,10cyclictest8060-21sshd00:10:1925
3097299219194,10cyclictest8060-21sshd00:10:1925
3095499215201,10cyclictest0-21swapper/1722:19:289
3095499215201,10cyclictest0-21swapper/1722:19:289
3097299214204,6cyclictest2459-21CPU25
3097299214204,6cyclictest2459-21CPU25
3096499213204,7cyclictest7611-21kworker/u81:1-writeback20:30:2817
3095499213204,7cyclictest0-21swapper/1720:50:159
3095499213204,7cyclictest0-21swapper/1720:50:149
3095499213195,6cyclictest755-21systemd-journal21:44:199
3095499213195,6cyclictest755-21systemd-journal21:44:199
3097299212206,4cyclictest0-21swapper/3123:48:5125
3097299212206,4cyclictest0-21swapper/3123:48:5025
3095499210200,7cyclictest0-21swapper/1722:12:539
3095499210200,7cyclictest0-21swapper/1722:12:539
3097299207198,5cyclictest37351-21CPU25
3097299207198,5cyclictest37351-21CPU25
3097299207198,5cyclictest37351-21CPU25
3095499206200,2cyclictest0-21swapper/1722:29:529
3095499206200,2cyclictest0-21swapper/1722:29:529
3095499206193,10cyclictest0-21swapper/1721:27:399
3095499206193,10cyclictest0-21swapper/1721:27:389
3094499206203,2cyclictest0-21swapper/822:00:1438
3094499206203,2cyclictest0-21swapper/822:00:1338
3094499206203,2cyclictest0-21swapper/822:00:1338
3093499206195,9cyclictest0-21swapper/023:10:420
3093499206195,9cyclictest0-21swapper/023:10:420
3095499205197,6cyclictest0-21swapper/1721:55:339
3095499205197,6cyclictest0-21swapper/1721:55:339
3095499205197,6cyclictest0-21swapper/1721:55:339
3095299204201,2cyclictest0-21swapper/1521:48:207
3095299204201,2cyclictest0-21swapper/1521:48:207
3095499201193,6cyclictest0-21swapper/1721:06:079
3095499201193,6cyclictest0-21swapper/1721:06:069
3095499201193,6cyclictest0-21swapper/1721:06:069
3095499199189,8cyclictest0-21swapper/1723:19:229
3095499199189,8cyclictest0-21swapper/1723:19:229
3095499198193,4cyclictest0-21swapper/1720:10:009
3095499198193,4cyclictest0-21swapper/1720:10:009
3095499198186,6cyclictest0-21swapper/1723:02:419
3095499198186,6cyclictest0-21swapper/1723:02:419
3095499198177,18cyclictest21586-21idleruntime-cro20:30:009
3095499198177,18cyclictest21586-21idleruntime-cro20:30:009
3097299197192,2cyclictest25626-21sshd23:33:4225
3097299197192,2cyclictest25626-21sshd23:33:4225
3097299197192,2cyclictest25626-21sshd23:33:4225
3095499197191,4cyclictest0-21swapper/1720:25:009
3095499197191,4cyclictest0-21swapper/1720:25:009
3095499196191,4cyclictest0-21swapper/1721:18:289
3095499196191,4cyclictest0-21swapper/1721:18:289
3095499196191,4cyclictest0-21swapper/1721:18:289
3095499196191,4cyclictest0-21swapper/1721:18:289
3095499196179,11cyclictest0-21swapper/1722:01:139
3095499196179,11cyclictest0-21swapper/1722:01:139
3095499196179,11cyclictest0-21swapper/1722:01:129
3096199195189,5cyclictest0-21swapper/2121:26:1514
3096199195189,5cyclictest0-21swapper/2121:26:1514
3095499195188,5cyclictest0-21swapper/1721:21:089
3095499195188,5cyclictest0-21swapper/1721:21:089
3095499195188,5cyclictest0-21swapper/1720:15:139
3095499195188,5cyclictest0-21swapper/1720:15:129
3095499195188,5cyclictest0-21swapper/1720:15:129
3095499195173,17cyclictest0-21swapper/1722:35:189
3095499195173,17cyclictest0-21swapper/1722:35:179
3095499194185,7cyclictest0-21swapper/1722:45:389
3095499194185,7cyclictest0-21swapper/1722:45:389
3095499194176,12cyclictest17482-21nfsd22:55:019
3095499194176,12cyclictest17482-21nfsd22:55:019
3095499194175,16cyclictest0-21swapper/1722:43:539
3095499194175,16cyclictest0-21swapper/1722:43:539
3095499194175,16cyclictest0-21swapper/1722:43:529
3097599193189,2cyclictest0-21swapper/3420:15:1528
3097599193189,2cyclictest0-21swapper/3420:15:1528
3097599193189,2cyclictest0-21swapper/3420:15:1528
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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