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2025-11-03 - 08:10
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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 rackcslot6.osadl.org (updated Mon Nov 03, 2025 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1001594210688,2sleep20-21swapper/219:05:242
1001067210586,17sleep50-21swapper/519:05:195
11594182860,2sleep549-21ksoftirqd/522:14:395
1002779998516,38cyclictest0-21swapper/421:53:104
1002764998516,38cyclictest0-21swapper/223:38:112
100239928543,12sleep10-21swapper/119:07:401
100231528443,13sleep40-21swapper/419:06:314
100250328343,13sleep00-21swapper/019:09:080
1002771998216,37cyclictest0-21swapper/319:48:103
1002764998217,36cyclictest0-21swapper/219:23:102
1002764998217,36cyclictest0-21swapper/219:13:092
1002771998114,38cyclictest0-21swapper/319:58:103
1002779998015,34cyclictest0-21swapper/420:08:104
11928792790,0sleep50-21swapper/522:40:195
11810052780,0sleep70-21swapper/722:30:277
10454172780,0sleep70-21swapper/720:15:147
10454172780,0sleep70-21swapper/720:15:147
1002779997816,35cyclictest0-21swapper/423:13:094
1002779997615,33cyclictest0-21swapper/421:18:104
13017072750,2sleep228-21ksoftirqd/200:07:312
1002779997515,34cyclictest0-21swapper/423:03:104
13211542740,2sleep010-21ksoftirqd/000:23:310
10240012740,1sleep228-21ksoftirqd/219:40:172
1002779997317,34cyclictest0-21swapper/400:33:114
13146662710,0sleep00-21swapper/000:18:100
100245327041,23sleep70-21swapper/719:08:267
100227027044,13sleep60-21swapper/619:05:526
100234626944,12sleep30-21swapper/319:06:543
1002779996319,41cyclictest42-21ksoftirqd/421:28:104
1002800994617,12cyclictest0-21swapper/722:18:107
1002800994416,3cyclictest0-21swapper/722:03:107
1002793993511,24cyclictest0-21swapper/619:41:596
1002779993511,24cyclictest1202018-21ssh22:47:584
100279399349,24cyclictest0-21swapper/623:16:596
100278799340,1cyclictest0-21swapper/522:23:085
100280099330,33cyclictest0-21swapper/721:50:207
10721732320,0sleep763-21ksoftirqd/721:00:007
100279399328,24cyclictest0-21swapper/623:57:596
100279399328,24cyclictest0-21swapper/620:10:596
1002779993114,1cyclictest0-21swapper/422:13:104
100277199318,0cyclictest0-21swapper/300:06:583
1002764993014,15cyclictest0-21swapper/220:58:102
1002793992913,15cyclictest0-21swapper/600:08:116
1002771992913,15cyclictest0-21swapper/321:23:103
100275299290,0cyclictest0-21swapper/100:05:271
1002746992915,3cyclictest0-21swapper/023:48:110
11280402280,0sleep60-21swapper/621:49:336
11280402280,0sleep60-21swapper/621:49:326
1002800992814,14cyclictest0-21swapper/722:28:107
100277999284,0cyclictest0-21swapper/400:29:584
1002771992812,15cyclictest0-21swapper/321:38:103
100276499284,24cyclictest0-21swapper/223:45:592
100276499284,24cyclictest0-21swapper/222:36:592
11198502270,1sleep656-21ksoftirqd/621:41:486
1002779992711,15cyclictest0-21swapper/400:03:114
1002771992711,15cyclictest0-21swapper/321:58:103
13359382260,0sleep0111rcuc/000:35:160
13359382260,0sleep0111rcuc/000:35:150
1002800992615,11cyclictest0-21swapper/722:48:097
1002779992626,0cyclictest0-21swapper/422:33:204
1002779992610,15cyclictest0-21swapper/423:53:114
1002746992610,15cyclictest0-21swapper/023:18:110
11168352250,0sleep70-21swapper/721:40:137
100279399259,15cyclictest0-21swapper/622:43:106
100279399251,24cyclictest0-21swapper/622:48:596
1002787992525,0cyclictest0-21swapper/520:01:405
100277999259,11cyclictest0-21swapper/400:18:114
100277199259,15cyclictest0-21swapper/320:48:103
100277199251,24cyclictest0-21swapper/322:25:593
100276499252,0cyclictest0-21swapper/200:00:582
12419842240,1sleep5481rcuc/523:20:165
100279399248,15cyclictest0-21swapper/622:58:106
100279399248,15cyclictest0-21swapper/619:33:106
1002793992423,1cyclictest2107-21gnome-shell22:00:596
100279399240,4cyclictest0-21swapper/623:53:376
1002800992322,1cyclictest2107-21gnome-shell23:27:597
100279399230,23cyclictest0-21swapper/621:11:596
100277999237,15cyclictest0-21swapper/420:38:104
100274699230,17cyclictest121rcu_preempt23:42:200
13336222220,0sleep20-21swapper/200:33:252
1002771992221,1cyclictest2107-21gnome-shell23:40:583
1002793992120,1cyclictest2107-21gnome-shell21:51:596
100277999215,15cyclictest0-21swapper/421:03:104
1002771992120,1cyclictest2107-21gnome-shell23:00:593
1002771992120,1cyclictest2107-21gnome-shell22:37:593
100276499215,15cyclictest0-21swapper/220:03:102
1002752992119,1cyclictest2107-21gnome-shell22:13:591
100278799200,19cyclictest1233683-21ssh23:13:335
1002779992020,0cyclictest0-21swapper/423:36:594
1002771992011,2cyclictest0-21swapper/300:28:113
100276499205,15cyclictest0-21swapper/219:38:102
1002764992019,1cyclictest2107-21gnome-shell21:16:592
1002752992019,1cyclictest21-21ksoftirqd/123:39:161
10732442190,2sleep656-21ksoftirqd/621:00:146
1002793991918,1cyclictest2107-21gnome-shell00:17:586
100279399191,3cyclictest1293242-21/usr/sbin/munin00:00:196
100278799190,1cyclictest0-21swapper/523:35:405
100278799190,1cyclictest0-21swapper/500:09:195
100278799190,18cyclictest0-21swapper/500:00:225
1002779991919,0cyclictest0-21swapper/421:45:124
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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