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2025-12-09 - 07:13
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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 09, 2025 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304124521060,3sleep549-21ksoftirqd/519:05:135
3043754999318,45cyclictest0-21swapper/400:28:154
3043775999229,34cyclictest0-21swapper/721:23:157
304347928442,13sleep20-21swapper/219:09:062
3043775998315,37cyclictest0-21swapper/719:43:157
3043762998315,38cyclictest0-21swapper/520:48:165
3043775998216,36cyclictest0-21swapper/720:03:167
3043762998216,36cyclictest0-21swapper/520:38:155
3043762998215,38cyclictest0-21swapper/521:33:155
3043762998215,36cyclictest0-21swapper/519:28:155
3043762998215,36cyclictest0-21swapper/519:28:155
3043762998116,35cyclictest0-21swapper/520:13:165
3043762998115,35cyclictest0-21swapper/522:33:155
304322728141,27sleep00-21swapper/019:05:330
3043762998025,36cyclictest0-21swapper/521:48:165
3043762998015,36cyclictest0-21swapper/500:03:165
33580822780,0sleep00-21swapper/000:20:220
31600042780,0sleep00-21swapper/021:40:570
31503232770,2sleep763-21ksoftirqd/721:34:567
32185042760,0sleep20-21swapper/222:29:372
304327727446,14sleep40-21swapper/419:06:184
32729652730,2sleep010-21ksoftirqd/023:12:380
304372199738,35cyclictest0-21swapper/019:53:160
33477662720,0sleep10-21swapper/100:12:531
32864132720,0sleep00-21swapper/023:24:060
304324827045,12sleep30-21swapper/319:05:523
304336226943,13sleep70-21swapper/719:07:267
304082226942,13sleep60-21swapper/619:05:076
31084872670,0sleep50-21swapper/520:50:175
304349826647,13sleep10-21swapper/119:09:211
3043762996334,29cyclictest0-21swapper/500:18:165
30571472610,0sleep70-21swapper/719:30:017
30571472610,0sleep70-21swapper/719:30:007
3043721994516,29cyclictest0-21swapper/023:28:150
3043721994117,24cyclictest0-21swapper/019:18:160
3043747993511,24cyclictest0-21swapper/320:15:593
304377599339,24cyclictest0-21swapper/721:47:587
304375499328,24cyclictest0-21swapper/419:43:584
304373899328,24cyclictest0-21swapper/200:11:582
304377599317,24cyclictest0-21swapper/722:49:597
3043729993115,15cyclictest0-21swapper/119:23:151
304377099306,24cyclictest0-21swapper/621:19:596
3043762993014,15cyclictest0-21swapper/519:38:155
3043729993014,15cyclictest0-21swapper/120:28:161
304372199306,24cyclictest0-21swapper/000:32:590
3043775992913,15cyclictest0-21swapper/723:58:167
3043762992914,15cyclictest0-21swapper/519:48:165
3043738992913,15cyclictest0-21swapper/220:23:152
3043729992913,15cyclictest0-21swapper/121:28:161
3043729992913,15cyclictest0-21swapper/100:38:161
3043721992913,15cyclictest0-21swapper/021:08:160
304377599286,12cyclictest63-21ksoftirqd/722:53:167
304377599284,24cyclictest0-21swapper/721:15:587
3043754992811,16cyclictest3304411-21ssh23:38:154
3043729992711,15cyclictest0-21swapper/121:18:161
3043729992711,15cyclictest0-21swapper/119:33:161
32289282260,0sleep549-21ksoftirqd/522:36:465
32029072260,1sleep6551rcuc/622:15:236
30889092260,0sleep50-21swapper/520:20:125
304377599262,24cyclictest0-21swapper/722:28:587
3043775992610,15cyclictest0-21swapper/723:03:157
304375499269,16cyclictest0-21swapper/423:48:154
304375499269,16cyclictest0-21swapper/423:48:154
304373899262,24cyclictest0-21swapper/223:04:592
3043729992610,15cyclictest0-21swapper/120:08:151
3043729992610,15cyclictest0-21swapper/119:58:161
304372199262,24cyclictest0-21swapper/022:04:580
304372199262,24cyclictest0-21swapper/021:30:580
304377599259,15cyclictest0-21swapper/720:18:157
304377599259,15cyclictest0-21swapper/700:08:157
3043770992525,0cyclictest0-21swapper/621:20:206
304375499251,24cyclictest0-21swapper/420:55:594
304375499251,24cyclictest0-21swapper/420:55:584
33084482240,1sleep73308451-21timerwakeupswit23:40:237
32779432240,0sleep121-21ksoftirqd/123:15:511
3043770992423,1cyclictest0-21swapper/623:54:086
304377099240,24cyclictest0-21swapper/621:32:596
304375499248,15cyclictest0-21swapper/421:53:154
304372999248,15cyclictest0-21swapper/120:43:161
33067792230,0sleep50-21swapper/523:40:145
304377599237,15cyclictest0-21swapper/722:18:167
3043775992322,1cyclictest2107-21gnome-shell20:48:587
304376299237,15cyclictest0-21swapper/522:13:165
304376299236,16cyclictest0-21swapper/523:13:155
3043738992322,1cyclictest2107-21gnome-shell23:18:582
3043738992322,1cyclictest2107-21gnome-shell21:40:592
3043738992322,1cyclictest2107-21gnome-shell00:01:592
33160302220,0sleep20-21swapper/223:47:072
33160302220,0sleep20-21swapper/223:47:072
304377599220,0cyclictest0-21swapper/721:56:227
3043770992221,1cyclictest2107-21gnome-shell20:07:586
3043770992220,1cyclictest2107-21gnome-shell21:53:596
304372199226,15cyclictest0-21swapper/022:48:150
216999220,0rtkit-daemon0-21swapper/022:54:474
3043775992120,1cyclictest63-21ksoftirqd/719:10:217
3043775992120,1cyclictest2107-21gnome-shell21:43:597
3043770992120,1cyclictest0-21swapper/622:08:156
3043754992111,5cyclictest986-21runrttasks22:34:524
3043721992121,0cyclictest2107-21gnome-shell19:28:590
3043721992121,0cyclictest2107-21gnome-shell19:28:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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