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2025-12-10 - 13:55
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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 Wed Dec 10, 2025 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340057621720,6sleep335-21ksoftirqd/319:05:193
340173129981,4sleep10-21swapper/119:05:351
3402273999833,35cyclictest0-21swapper/520:03:155
3402279999726,41cyclictest56-21ksoftirqd/620:58:156
340225899908,50cyclictest35-21ksoftirqd/322:23:153
3402258999017,38cyclictest0-21swapper/319:18:153
34623402890,0sleep10-21swapper/120:45:001
340184728846,13sleep50-21swapper/519:07:085
3402279998711,48cyclictest56-21ksoftirqd/621:23:146
3402258998717,36cyclictest0-21swapper/323:18:143
3402273998616,35cyclictest0-21swapper/523:43:155
3402273998616,34cyclictest0-21swapper/520:28:155
3402265998216,36cyclictest0-21swapper/423:08:154
37178842800,0sleep20-21swapper/200:20:162
37178842800,0sleep20-21swapper/200:20:152
3402279998015,35cyclictest0-21swapper/622:53:156
3402273998015,33cyclictest0-21swapper/500:38:155
3402273998015,32cyclictest0-21swapper/519:38:155
34420822790,0sleep40-21swapper/420:10:194
3402279997915,34cyclictest0-21swapper/622:08:156
34006752790,1sleep442-21ksoftirqd/419:05:214
3402273997817,35cyclictest0-21swapper/520:13:155
35533412750,0sleep00-21swapper/022:09:500
35711402720,0sleep00-21swapper/022:23:190
216999720,49rtkit-daemon0-21swapper/019:06:540
37170222710,0sleep763-21ksoftirqd/700:20:137
37170222710,0sleep763-21ksoftirqd/700:20:127
3402273997110,30cyclictest0-21swapper/519:28:155
340175026943,13sleep70-21swapper/719:05:497
36161952680,0sleep60-21swapper/622:59:546
36161952680,0sleep60-21swapper/622:59:546
340197126648,12sleep60-21swapper/619:08:546
340044626641,17sleep20-21swapper/219:05:202
36538262550,0sleep60-21swapper/623:29:576
3402286994115,17cyclictest0-21swapper/723:53:157
3402286994110,21cyclictest0-21swapper/721:33:157
3402286994110,21cyclictest0-21swapper/721:33:147
3402286993814,7cyclictest0-21swapper/720:48:157
3402273993812,25cyclictest0-21swapper/522:48:155
3402265993531,4cyclictest0-21swapper/421:48:144
348752923410,0sleep70-21swapper/721:15:597
340226599343,16cyclictest0-21swapper/423:48:154
3402265993213,15cyclictest0-21swapper/422:13:154
340225199329,0cyclictest0-21swapper/223:04:592
340225199328,24cyclictest0-21swapper/223:08:592
3402251993214,5cyclictest0-21swapper/219:53:142
3402251993112,18cyclictest3696419-21ssh00:03:152
3402241993110,21cyclictest0-21swapper/120:38:151
340228699307,0cyclictest0-21swapper/719:39:597
340227999306,24cyclictest0-21swapper/623:40:596
3402251993014,4cyclictest0-21swapper/200:13:152
340224199306,24cyclictest0-21swapper/100:18:581
340227999295,24cyclictest0-21swapper/622:36:596
3402279992914,15cyclictest0-21swapper/619:23:156
3402273992929,0cyclictest0-21swapper/521:44:185
3402273992913,15cyclictest0-21swapper/522:38:155
3402241992929,0cyclictest0-21swapper/122:50:061
3402241992912,7cyclictest0-21swapper/122:43:151
3402233992928,1cyclictest0-21swapper/021:22:590
35715902280,0sleep656-21ksoftirqd/622:23:576
3402279992812,15cyclictest0-21swapper/622:28:156
3402273992812,15cyclictest0-21swapper/521:03:155
340225899284,24cyclictest0-21swapper/322:57:593
340225899284,24cyclictest0-21swapper/322:57:593
340224199285,23cyclictest21-21ksoftirqd/100:30:591
340224199285,0cyclictest0-21swapper/123:33:591
3402279992711,15cyclictest0-21swapper/621:08:146
3402273992711,15cyclictest0-21swapper/522:03:155
340225899273,24cyclictest0-21swapper/321:43:583
340224199273,24cyclictest0-21swapper/122:39:591
3402233992712,15cyclictest0-21swapper/023:38:150
3402273992610,15cyclictest0-21swapper/519:48:155
3402265992610,15cyclictest0-21swapper/420:18:154
3402265992610,15cyclictest0-21swapper/420:08:154
3402265992610,15cyclictest0-21swapper/420:08:154
340225899262,24cyclictest0-21swapper/321:20:593
3402233992612,14cyclictest3477789-21diskmemload21:58:140
340226599259,15cyclictest0-21swapper/423:28:154
340225899259,15cyclictest0-21swapper/321:18:143
37236512240,1sleep43723656-21cpuspeed_turbos00:25:154
340227999249,5cyclictest0-21swapper/623:23:156
340227999248,15cyclictest0-21swapper/620:23:156
340227399247,14cyclictest0-21swapper/523:13:145
340226599249,15cyclictest0-21swapper/419:33:154
340226599241,0cyclictest0-21swapper/422:02:594
3402258992423,1cyclictest2107-21gnome-shell23:28:583
340225899240,24cyclictest0-21swapper/320:39:593
3402286992322,1cyclictest63-21ksoftirqd/700:28:157
340227999236,14cyclictest0-21swapper/623:58:156
340227399237,15cyclictest0-21swapper/521:53:155
340227399237,15cyclictest0-21swapper/520:53:155
340226599237,15cyclictest0-21swapper/420:43:154
340225899230,23cyclictest0-21swapper/300:20:593
340225899230,23cyclictest0-21swapper/300:20:593
340228699226,15cyclictest0-21swapper/722:33:157
3402286992220,1cyclictest0-21swapper/719:21:087
340225899226,15cyclictest0-21swapper/319:58:153
340224199227,15cyclictest0-21swapper/122:58:151
340224199227,15cyclictest0-21swapper/122:58:151
3402233992210,12cyclictest0-21swapper/019:43:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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