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2026-05-19 - 08:01
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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 rack3slot0.osadl.org (updated Tue May 19, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269442850,2sleep01472699cyclictest22:56:530
269442850,2sleep01472699cyclictest22:56:530
245162720,2sleep11473499cyclictest23:19:441
9842710,1sleep61-21systemd21:17:596
46282650,0sleep10-21swapper/122:55:341
46282650,0sleep10-21swapper/122:55:341
83392610,1sleep18333-21bash22:42:281
19362560,0sleep4471rcuc/421:39:124
281392550,2sleep01472699cyclictest23:45:380
222692550,2sleep61476299cyclictest22:30:006
219962520,2sleep71476399cyclictest21:23:137
36552510,1sleep6857-21polkitd23:38:246
1211925125,9sleep40-21swapper/419:04:024
1449525026,8sleep30-21swapper/319:07:293
1435625026,8sleep20-21swapper/219:05:362
61452490,0sleep10-21swapper/121:18:181
321132490,1sleep432084-21sshd21:21:504
74512480,0sleep50-21swapper/523:15:005
325802480,0sleep10-21swapper/122:45:481
20582480,0sleep09-21ksoftirqd/023:49:470
123612480,0sleep40-21swapper/400:15:224
62252470,0sleep30-21swapper/321:31:583
49372470,2sleep51475899cyclictest22:42:165
283712470,0sleep70-21swapper/722:53:157
235822470,0sleep40-21swapper/421:17:254
158042470,0sleep50-21swapper/500:36:295
158042470,0sleep50-21swapper/500:36:295
11652470,1sleep11143-21cp21:31:401
239162460,0sleep123915-21systemd-cgroups23:04:231
184102460,0sleep118408-21sshd22:33:391
1440824634,9sleep10-21swapper/119:06:151
112262460,0sleep20-21swapper/222:10:172
27172440,0sleep40-21swapper/422:15:324
189742440,1sleep118977-21grepconf.sh23:09:591
188522440,1sleep11-21systemd21:55:271
313502430,1sleep731349-21systemd-cgroups21:17:527
302172430,0sleep60-21swapper/621:37:056
267352420,0sleep60-21swapper/600:00:586
230842420,0sleep4758-21runrttasks23:23:484
1448324223,15sleep00-21swapper/019:07:180
1437424229,9sleep70-21swapper/719:05:497
230792410,1sleep723082-21grep23:21:437
206912410,0sleep30-21swapper/323:50:543
165382410,1sleep516539-21sshd23:23:255
158552410,0sleep50-21swapper/522:14:215
1455524130,8sleep50-21swapper/519:08:195
56202400,0sleep50-21swapper/519:49:105
37512400,0sleep20-21swapper/200:22:332
277642400,0sleep10-21swapper/121:42:371
253892400,0sleep40-21swapper/423:45:264
1439524028,8sleep60-21swapper/619:06:046
241762380,0sleep20-21swapper/223:04:242
239052380,0sleep10-21swapper/122:28:181
100152300,0sleep70-21swapper/723:11:257
145912290,0sleep614587-21sshd23:09:406
305252260,10sleep685150irq/25-em1-rx-000:31:426
109762210,0sleep30-21swapper/323:36:443
73102200,2sleep71476399cyclictest21:12:327
1475899201,1cyclictest16217-21sshd22:37:145
1475899200,3cyclictest0-21swapper/523:39:405
1475899200,3cyclictest0-21swapper/523:39:405
302942190,0sleep40-21swapper/423:10:424
14758991912,2cyclictest2516-21sshd21:12:125
141742190,0sleep60-21swapper/622:16:146
60762180,0sleep70-21swapper/700:20:457
1475899182,4cyclictest26442-21kworker/u16:200:00:305
1475899182,1cyclictest709-21systemd-logind23:50:085
1475899180,3cyclictest0-21swapper/522:09:085
1475899180,2cyclictest0-21swapper/519:19:525
1475899173,2cyclictest0-21swapper/519:39:145
1475899173,1cyclictest1-21systemd21:22:165
195402160,0sleep40-21swapper/422:22:214
1475899163,4cyclictest706-21nscd22:05:105
1475899163,4cyclictest30504-21systemd21:44:345
1475899162,5cyclictest0-21swapper/523:11:365
1475899162,1cyclictest22232-21sshd23:00:285
1475899162,1cyclictest14135-21bash21:36:085
1475899162,1cyclictest11046-21systemd21:54:585
14758991610,1cyclictest8674-21sshd22:48:145
1475899161,2cyclictest0-21swapper/523:58:145
1475899161,1cyclictest20712-21systemd22:52:485
1475899160,0cyclictest0-21swapper/500:28:545
1474599160,11cyclictest12922-21id00:19:163
310322150,1sleep731013-21cp23:41:537
310322150,1sleep731013-21cp23:41:537
3032150,1sleep665-21ksoftirqd/623:26:146
14762991513,1cyclictest65-21ksoftirqd/600:07:196
14762991512,1cyclictest65-21ksoftirqd/622:55:176
14762991512,1cyclictest65-21ksoftirqd/622:55:176
1475899152,4cyclictest4450-21df_inode23:44:145
1475899152,1cyclictest29223-21grepconf.sh00:08:485
1475899152,1cyclictest0-21swapper/519:17:565
1475899152,1cyclictest0-21swapper/519:17:565
14758991511,3cyclictest57-21ksoftirqd/523:34:205
1475899151,1cyclictest27222-21sshd23:31:505
1475899150,3cyclictest0-21swapper/522:24:345
1475899150,3cyclictest0-21swapper/521:24:465
1475899150,3cyclictest0-21swapper/520:54:205
1475899150,3cyclictest0-21swapper/500:22:445
1475899150,2cyclictest1138-21bash21:39:105
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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