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2026-09-20 - 23:34
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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 Sun Sep 20, 2026 13:02:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2154299208187,13cyclictest1300-21cpuspeed_turbos10:00:1323
2154299208187,13cyclictest1300-21cpuspeed_turbos10:00:1323
2154299208187,13cyclictest1300-21cpuspeed_turbos10:00:1323
2155299195156,21cyclictest0-21swapper/1112:26:053
2155299195156,21cyclictest0-21swapper/1112:26:053
2155299195156,21cyclictest0-21swapper/1112:26:043
2155599191185,4cyclictest4266-21sh10:00:216
2155599191185,4cyclictest4266-21sh10:00:216
2155599191185,4cyclictest4266-21sh10:00:206
2157899190130,14cyclictest0-21swapper/3211:03:2326
2157899190130,14cyclictest0-21swapper/3211:03:2326
2156099190110,70cyclictest2464-21CPU11
2156099190110,70cyclictest2464-21CPU11
2154299189172,15cyclictest0-21swapper/309:05:1923
2154299189172,15cyclictest0-21swapper/309:05:1923
2157299188150,7cyclictest171rcu_preempt11:49:3421
2157299188150,7cyclictest171rcu_preempt11:49:3421
215689918861,57cyclictest2462-21CPU18
215689918861,57cyclictest2462-21CPU18
2156799187178,7cyclictest0-21swapper/2410:48:4617
2156799187178,7cyclictest0-21swapper/2410:48:4517
2156099185139,38cyclictest0-21swapper/1912:17:0411
2156099185139,38cyclictest0-21swapper/1912:17:0311
2157299184142,30cyclictest0-21swapper/2808:11:0221
2157299184142,30cyclictest0-21swapper/2808:11:0221
2156099184134,38cyclictest0-21swapper/1908:30:1711
215729918395,65cyclictest3544-21CPU21
215729918395,65cyclictest3544-21CPU21
2155299183176,5cyclictest0-21swapper/1108:40:353
2155299183176,5cyclictest0-21swapper/1108:40:353
2154299182174,5cyclictest0-21swapper/309:57:4723
2154299182174,5cyclictest0-21swapper/309:57:4723
2154299182174,5cyclictest0-21swapper/309:57:4723
2157299181156,15cyclictest0-21swapper/2812:25:0121
2157299181156,15cyclictest0-21swapper/2812:25:0121
2157299181156,15cyclictest0-21swapper/2812:25:0021
2157299181143,27cyclictest0-21swapper/2812:00:2321
2157299181143,27cyclictest0-21swapper/2812:00:2321
2154599181145,14cyclictest0-21swapper/612:32:4136
2154599181145,14cyclictest0-21swapper/612:32:4136
2154299181171,6cyclictest0-21swapper/309:28:2823
2154299181171,6cyclictest0-21swapper/309:28:2823
2157899179139,13cyclictest0-21swapper/3209:59:5826
2157899179139,13cyclictest0-21swapper/3209:59:5826
2157899179139,13cyclictest0-21swapper/3209:59:5826
2157299179140,11cyclictest171rcu_preempt10:19:0621
2157299179140,11cyclictest171rcu_preempt10:19:0621
215679917996,74cyclictest3610-21CPU17
2154599179117,53cyclictest37354-21CPU36
2154599179117,53cyclictest37354-21CPU36
2157899178151,13cyclictest171rcu_preempt11:47:5926
2157899178151,13cyclictest171rcu_preempt11:47:5926
2157299178153,15cyclictest0-21swapper/2812:25:2421
2157299178153,15cyclictest0-21swapper/2812:25:2421
2157299178153,15cyclictest0-21swapper/2812:25:2421
215609917891,83cyclictest2447-21CPU11
215609917891,83cyclictest2447-21CPU11
215609917891,83cyclictest2447-21CPU11
2154599178160,12cyclictest0-21swapper/609:39:3036
2154599178160,12cyclictest0-21swapper/609:39:3036
2157299177108,51cyclictest0-21swapper/2809:00:2021
2157299177108,51cyclictest0-21swapper/2809:00:2021
2154999177168,7cyclictest0-21swapper/910:36:2239
2154999177168,7cyclictest0-21swapper/910:36:2239
2154499177167,8cyclictest0-21swapper/510:20:4435
2154499177167,8cyclictest0-21swapper/510:20:4435
2157899176129,9cyclictest0-21swapper/3209:38:1026
2157899176129,9cyclictest0-21swapper/3209:38:1026
2156099176103,71cyclictest2464-21CPU11
2156099176103,71cyclictest2464-21CPU11
2157899175130,27cyclictest0-21swapper/3212:07:5926
2157899175130,27cyclictest0-21swapper/3212:07:5926
2157899175116,22cyclictest0-21swapper/3212:22:3026
2157899175116,22cyclictest0-21swapper/3212:22:3026
2157899175116,22cyclictest0-21swapper/3212:22:2926
2157299175164,9cyclictest0-21swapper/2808:00:0121
2157299175164,9cyclictest0-21swapper/2808:00:0121
2156199175164,9cyclictest0-21swapper/2008:57:0813
2156199175164,9cyclictest0-21swapper/2008:57:0813
2156099175117,50cyclictest0-21swapper/1912:20:4811
2156099175117,50cyclictest0-21swapper/1912:20:4811
2156099175117,50cyclictest0-21swapper/1912:20:4711
2157899174133,16cyclictest0-21swapper/3211:41:0026
2157899174133,16cyclictest0-21swapper/3211:41:0026
2154999174163,8cyclictest0-21swapper/909:21:0239
2154999174163,8cyclictest0-21swapper/909:21:0139
2154299174167,5cyclictest0-21swapper/309:52:0123
2154299174167,5cyclictest0-21swapper/309:52:0123
2154299174167,5cyclictest0-21swapper/309:52:0023
2158399173119,48cyclictest2447-21CPU30
2158399173119,48cyclictest2447-21CPU30
2157899173156,15cyclictest0-21swapper/3212:37:2726
2157899173156,15cyclictest0-21swapper/3212:37:2626
2157299173157,12cyclictest0-21swapper/2810:28:2221
2157299173157,12cyclictest0-21swapper/2810:28:2221
2154599173168,3cyclictest0-21swapper/610:42:1036
2154599173168,3cyclictest0-21swapper/610:42:1036
2158399172110,35cyclictest0-21swapper/3611:57:3730
2158399172110,35cyclictest0-21swapper/3611:57:3730
2157899172118,27cyclictest0-21swapper/3211:15:4026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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