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2025-12-02 - 10:58
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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 Tue Dec 02, 2025 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
512684212495,16sleep70-21swapper/719:05:157
513206211899,4sleep20-21swapper/219:05:182
511841210886,2sleep10-21swapper/119:05:011
515148998917,40cyclictest0-21swapper/222:03:152
515148998515,37cyclictest0-21swapper/200:28:142
51483628543,13sleep30-21swapper/319:08:243
51483728442,13sleep40-21swapper/419:08:264
515170998314,37cyclictest0-21swapper/522:13:155
515170998217,35cyclictest0-21swapper/522:48:155
515148998216,35cyclictest0-21swapper/220:43:152
8537552810,1sleep549-21ksoftirqd/500:37:235
8377902810,0sleep40-21swapper/400:25:124
8212632810,0sleep70-21swapper/700:11:067
515148998116,33cyclictest0-21swapper/200:38:142
7397292800,0sleep40-21swapper/423:06:314
515155998015,36cyclictest0-21swapper/320:33:143
515170997914,33cyclictest0-21swapper/523:48:155
7999712770,0sleep20-21swapper/223:55:142
515130997716,35cyclictest0-21swapper/021:53:140
515130997715,40cyclictest0-21swapper/019:13:130
515130997714,35cyclictest0-21swapper/021:28:150
7616822760,0sleep40-21swapper/423:25:134
515130997616,38cyclictest0-21swapper/019:48:140
8358092750,0sleep30-21swapper/300:23:523
6667052750,0sleep50-21swapper/522:10:005
515130997516,34cyclictest0-21swapper/019:33:140
515130997515,35cyclictest0-21swapper/019:23:140
515130997415,34cyclictest0-21swapper/022:38:150
216999740,49rtkit-daemon0-21swapper/019:09:320
6641802730,0sleep20-21swapper/222:06:362
8540992710,0sleep10-21swapper/100:37:521
515130997117,39cyclictest0-21swapper/023:03:140
51467327045,12sleep60-21swapper/619:06:116
515148996817,37cyclictest0-21swapper/221:43:152
51471226842,13sleep50-21swapper/519:06:425
8304422560,0sleep40-21swapper/400:19:594
515178994414,14cyclictest0-21swapper/619:58:146
515178993511,24cyclictest0-21swapper/621:27:596
515178993410,24cyclictest0-21swapper/621:07:586
515162993410,24cyclictest0-21swapper/421:20:594
515155993411,0cyclictest0-21swapper/322:09:593
515130993410,24cyclictest0-21swapper/020:50:590
5540772330,0sleep10-21swapper/120:10:141
51516299339,24cyclictest0-21swapper/423:30:594
51515599339,24cyclictest0-21swapper/323:13:593
515178993211,13cyclictest0-21swapper/621:18:156
6001212310,0sleep70-21swapper/721:15:317
515184993115,15cyclictest0-21swapper/722:53:147
515184993115,15cyclictest0-21swapper/700:03:157
51517899317,24cyclictest0-21swapper/619:36:596
51514899317,24cyclictest0-21swapper/222:53:582
515184993028,1cyclictest692784-21sh22:30:147
515184993014,15cyclictest0-21swapper/721:33:157
51516299306,24cyclictest0-21swapper/422:25:594
51515599306,24cyclictest0-21swapper/320:04:593
515148993014,15cyclictest0-21swapper/219:38:142
515130993014,15cyclictest0-21swapper/023:58:140
515130993014,15cyclictest0-21swapper/020:58:150
51518499295,24cyclictest0-21swapper/723:47:587
515184992912,16cyclictest0-21swapper/722:18:147
515178992913,15cyclictest0-21swapper/600:23:156
515178992910,13cyclictest0-21swapper/623:33:146
51516299295,24cyclictest0-21swapper/422:21:594
515184992812,15cyclictest0-21swapper/720:08:147
515178992812,15cyclictest0-21swapper/622:43:146
515170992812,15cyclictest0-21swapper/521:58:155
51516299284,24cyclictest0-21swapper/423:45:584
51515599284,24cyclictest0-21swapper/321:04:593
515130992812,15cyclictest0-21swapper/023:18:150
515184992712,14cyclictest0-21swapper/721:13:147
515184992711,15cyclictest0-21swapper/722:28:157
51517899278,15cyclictest0-21swapper/623:23:156
515178992711,15cyclictest0-21swapper/621:48:156
515178992711,15cyclictest0-21swapper/621:48:156
515178992711,15cyclictest0-21swapper/620:23:146
515178992711,15cyclictest0-21swapper/600:08:146
51516299273,24cyclictest0-21swapper/423:21:594
51516299273,24cyclictest0-21swapper/422:56:594
51516299270,27cyclictest0-21swapper/421:37:374
515178992610,15cyclictest0-21swapper/623:43:156
515178992610,15cyclictest0-21swapper/622:33:146
515136992626,0cyclictest0-21swapper/123:17:081
216999260,0rtkit-daemon0-21swapper/422:55:470
51517899259,15cyclictest0-21swapper/622:58:156
515178992524,1cyclictest2107-21gnome-shell20:15:596
515178992524,1cyclictest2107-21gnome-shell20:15:586
515170992525,0cyclictest0-21swapper/521:34:455
51515599251,24cyclictest0-21swapper/319:32:593
515136992523,1cyclictest2107-21gnome-shell00:13:581
51517899248,15cyclictest0-21swapper/620:13:136
515178992423,1cyclictest2107-21gnome-shell19:50:596
515155992423,1cyclictest2107-21gnome-shell21:35:583
515136992423,1cyclictest2107-21gnome-shell22:20:591
515170992323,0cyclictest0-21swapper/521:38:505
51515599237,15cyclictest0-21swapper/320:48:153
515155992322,1cyclictest2107-21gnome-shell23:32:583
515136992321,1cyclictest2107-21gnome-shell23:34:591
515130992323,0cyclictest0-21swapper/021:23:550
5285952220,0sleep00-21swapper/019:30:000
515148992221,1cyclictest2107-21gnome-shell21:21:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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