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2026-08-26 - 11:33
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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 Wed Aug 26, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26532750,0sleep20-21swapper/223:33:292
53432740,0sleep10-21swapper/123:00:441
166762680,0sleep20-21swapper/223:57:482
315712580,1sleep557-21ksoftirqd/521:20:455
141442560,0sleep10-21swapper/123:34:081
287252500,0sleep10-21swapper/100:02:031
218212500,1sleep721776-21sshd23:45:277
99792490,0sleep6631rcuc/623:46:316
46852490,0sleep40-21swapper/423:13:374
195872490,0sleep40-21swapper/423:18:014
1902324925,8sleep00-21swapper/019:03:320
319252480,2sleep51930599cyclictest22:04:185
250662480,1sleep341-21ksoftirqd/300:30:573
16172480,0sleep00-21swapper/021:31:450
80982470,1sleep58083-21sshd23:17:225
254942470,1sleep41-21systemd21:40:224
254942470,1sleep41-21systemd21:40:224
62532460,0sleep46230-21sshd00:28:094
286172450,0sleep7711rcuc/723:40:237
143862450,0sleep00-21swapper/000:05:070
106342450,1sleep510632-21bash00:24:505
89182440,1sleep665-21ksoftirqd/622:35:346
248212440,1sleep41-21systemd22:21:554
1909524432,8sleep50-21swapper/519:04:335
190382430,0sleep20-21swapper/222:56:052
58812420,0sleep613764-21kworker/6:121:50:096
58812420,0sleep613764-21kworker/6:121:50:096
1888724230,8sleep70-21swapper/719:01:387
137892420,0sleep00-21swapper/021:59:400
82792410,0sleep50-21swapper/521:48:245
82792410,0sleep50-21swapper/521:48:245
66802410,0sleep10-21swapper/123:50:021
60412410,0sleep71931399cyclictest22:26:227
1907324129,9sleep30-21swapper/319:04:153
1905424130,8sleep40-21swapper/419:04:004
181822410,0sleep30-21swapper/322:10:403
136802410,0sleep10-21swapper/119:50:321
110542410,1sleep511053-21grepconf.sh23:02:565
105262410,0sleep30-21swapper/323:02:543
49112400,0sleep20-21swapper/222:28:092
242482400,0sleep00-21swapper/021:42:020
242482400,0sleep00-21swapper/021:42:020
4232390,1sleep0403-21sshd23:22:220
314262390,0sleep70-21swapper/723:51:207
245712390,1sleep125-21ksoftirqd/100:30:551
242832390,0sleep10-21swapper/123:40:091
1899323927,8sleep10-21swapper/119:03:091
1893823928,8sleep20-21swapper/219:02:212
1883723927,8sleep60-21swapper/619:00:576
13452380,0sleep20-21swapper/200:06:052
212302370,0sleep60-21swapper/600:14:346
85782320,0sleep10-21swapper/122:55:321
1930599244,2cyclictest57-21ksoftirqd/523:43:295
1930599237,1cyclictest57-21ksoftirqd/500:33:345
1929699230,8cyclictest25170-21bash21:36:403
1929699230,10cyclictest1440-21grepconf.sh00:18:523
19305992210,2cyclictest57-21ksoftirqd/523:25:375
19305992210,2cyclictest57-21ksoftirqd/523:25:375
165622220,0sleep30-21swapper/300:23:203
71722210,0sleep20-21swapper/221:10:242
1930599219,2cyclictest57-21ksoftirqd/521:34:085
1930599219,1cyclictest57-21ksoftirqd/523:53:515
1930599218,2cyclictest57-21ksoftirqd/523:48:325
1930599217,2cyclictest57-21ksoftirqd/523:20:445
19305992113,1cyclictest57-21ksoftirqd/522:05:195
1929699210,8cyclictest12099-21sshd22:57:333
1929699210,6cyclictest0-21swapper/322:28:133
1929699210,10cyclictest13256-21sshd22:37:373
1930599209,1cyclictest57-21ksoftirqd/500:25:595
1930599208,1cyclictest57-21ksoftirqd/523:11:185
1930599207,3cyclictest57-21ksoftirqd/522:15:155
1930599207,1cyclictest57-21ksoftirqd/522:44:095
1930599207,1cyclictest57-21ksoftirqd/522:17:325
1930599206,3cyclictest57-21ksoftirqd/521:10:545
1930599205,3cyclictest57-21ksoftirqd/521:16:015
1930599204,3cyclictest57-21ksoftirqd/500:00:055
19305992016,1cyclictest57-21ksoftirqd/523:06:305
19305992016,1cyclictest57-21ksoftirqd/500:17:045
19305992015,4cyclictest57-21ksoftirqd/522:37:385
1929699202,8cyclictest24280-21grepconf.sh00:25:333
1929699200,9cyclictest776-21bash23:20:343
1929699200,9cyclictest24625-21bash23:43:473
1929699200,9cyclictest15444-21bash23:30:313
1929699200,8cyclictest857-21polkitd21:57:263
1929699200,8cyclictest31476-21systemd-cgroups23:55:033
1929699200,8cyclictest23054-21sshd21:54:433
1929699200,7cyclictest464-21systemd-journal22:43:523
1929699200,7cyclictest32756-21bash21:46:063
1929699200,7cyclictest32756-21bash21:46:063
1929699200,2cyclictest1-21systemd22:32:183
19294992017,2cyclictest464-21systemd-journal23:51:122
287332190,0sleep20-21swapper/221:22:262
1930599197,2cyclictest57-21ksoftirqd/521:51:055
1930599196,2cyclictest57-21ksoftirqd/500:13:175
1930599192,3cyclictest57-21ksoftirqd/500:08:175
19305991913,2cyclictest57-21ksoftirqd/522:22:395
1929699190,9cyclictest3346-21grepconf.sh21:20:593
1929699190,8cyclictest31296-21sshd22:02:253
1929699190,8cyclictest2012-21bash21:19:113
1929699190,8cyclictest17166-21bash23:16:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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