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2026-08-11 - 12:33
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Tue Aug 11, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238104221030,1sleep02381045-21missed_timers23:00:330
25007332940,1sleep10-21swapper/100:23:221
2064821992623,2cyclictest2486828-21grep00:15:021
2064821992623,2cyclictest2486828-21grep00:15:021
2064820992414,6cyclictest2275658-21kthreadcore21:50:320
2064820992413,6cyclictest0-21swapper/022:00:010
2064821992219,2cyclictest2412824-21turbostat.cron23:25:011
2064820992219,2cyclictest2109646-21apt-key19:45:010
2064820992211,6cyclictest0-21swapper/022:55:370
1157598220,6rtkit-daemon1306-21mta-sts-daemon23:44:050
2064821992118,2cyclictest2405644-21/usr/sbin/munin23:20:021
2064821992114,3cyclictest2304146-21kthreadcore22:10:301
2064821992111,4cyclictest0-21swapper/100:15:271
2064820992118,2cyclictest838-21gmain21:30:000
2064820992118,2cyclictest2331395-21sh22:30:020
2064820992118,2cyclictest2091347-21systemd-run19:30:010
2064820992110,7cyclictest0-21swapper/021:20:180
206482099210,4cyclictest2091616-21/usr/sbin/munin19:30:270
1157598210,2rtkit-daemon11574-21rtkit-daemon19:51:291
2064822992017,1cyclictest0-21swapper/222:40:012
2064822992017,1cyclictest0-21swapper/221:35:012
2064821992017,2cyclictest714-21gdbus23:05:011
2064821992017,2cyclictest2464608-21systemd00:00:011
2064821992017,2cyclictest2346039-21sendmail22:40:011
2064821992017,2cyclictest2071000-21missed_timers19:15:021
2064821992017,2cyclictest10930-21cron23:50:011
2064821992011,4cyclictest0-21swapper/121:40:011
206482099209,6cyclictest0-21swapper/023:15:330
206482099209,6cyclictest0-21swapper/000:25:020
1157598200,3rtkit-daemon1307-21mta-sts-daemon20:16:080
3240591190,2phc2sys0-21swapper/322:13:403
206482299191,7cyclictest0-21swapper/219:35:072
2064822991916,1cyclictest0-21swapper/222:30:012
2064822991916,1cyclictest0-21swapper/200:20:012
206482199199,7cyclictest501rcuop/222:25:321
2064821991916,2cyclictest664-21dbus-daemon23:55:021
2064821991916,2cyclictest664-21dbus-daemon20:30:021
2064821991916,2cyclictest2291997-21kthreadcore22:00:331
2064821991916,2cyclictest2116046-21sh19:50:021
206482099199,5cyclictest0-21swapper/000:00:020
2064820991916,2cyclictest2511937-21ps00:30:310
2064820991916,2cyclictest2331617-21apt-get22:30:080
2064820991912,6cyclictest0-21swapper/021:35:000
2064820991910,5cyclictest2427593-21latency_hist23:35:020
2064820991910,4cyclictest0-21swapper/023:30:020
3240591180,4phc2sys0-21swapper/323:02:173
2064822991815,1cyclictest0-21swapper/219:45:012
2064821991815,2cyclictest2473829-21kthreadcore00:05:351
2064821991815,2cyclictest2352262-21runrttasks22:41:471
2064821991815,2cyclictest2128021-21munin-plugin-st20:00:011
2064821991814,3cyclictest672-21polkitd20:10:361
2064821991811,6cyclictest2273312-21grep21:50:271
2064821991810,3cyclictest0-21swapper/100:32:381
206482099188,6cyclictest0-21swapper/023:20:320
206482099188,5cyclictest0-21swapper/022:50:100
2064820991815,2cyclictest662-21avahi-daemon19:55:010
2064820991815,2cyclictest1-21systemd23:55:010
2064820991815,2cyclictest0-21swapper/021:50:020
3240591171,5phc2sys0-21swapper/322:40:093
3240591170,2phc2sys0-21swapper/323:30:523
3240591170,2phc2sys0-21swapper/321:35:083
3240591170,1phc2sys0-21swapper/321:31:553
206482299171,6cyclictest0-21swapper/222:20:022
2064822991715,1cyclictest0-21swapper/223:30:012
2064822991714,1cyclictest0-21swapper/223:45:012
2064822991714,1cyclictest0-21swapper/223:10:092
2064822991714,1cyclictest0-21swapper/223:05:312
2064822991714,1cyclictest0-21swapper/223:00:272
2064822991714,1cyclictest0-21swapper/221:35:332
2064822991714,1cyclictest0-21swapper/220:45:012
2064822991714,1cyclictest0-21swapper/200:35:012
2064822991714,1cyclictest0-21swapper/200:28:302
2064822991714,1cyclictest0-21swapper/200:10:032
2064822991713,2cyclictest0-21swapper/221:30:012
206482299170,14cyclictest0-21swapper/220:25:072
2064821991714,2cyclictest664-21dbus-daemon21:50:021
2064821991714,2cyclictest268-21systemd-journal23:40:011
2064821991714,2cyclictest2516513-21sh00:35:131
2064821991714,2cyclictest2318028-21ps22:20:301
2064821991714,2cyclictest2283732-21kthreadcore21:55:311
2064821991714,2cyclictest2189002-21cut20:50:031
2064821991714,2cyclictest2079277-21systemd-run19:20:021
2064821991713,3cyclictest2457221-21kworker/u16:1+nfsiod00:02:101
2064821991710,3cyclictest2384455-21hddtemp_smartct23:05:291
206482199170,3cyclictest2425379-21sed23:30:331
206482099179,6cyclictest0-21swapper/000:40:010
206482099178,4cyclictest0-21swapper/023:35:250
206482099176,6cyclictest0-21swapper/021:40:160
206482099176,6cyclictest0-21swapper/000:25:080
2064820991714,2cyclictest2470086-21mailstats00:00:380
2064820991714,2cyclictest2141227-21gltestperf20:10:280
2064820991714,2cyclictest1309-21mta-sts-daemon22:03:400
2064820991714,2cyclictest1306-21mta-sts-daemon20:10:010
2064820991714,2cyclictest1306-21mta-sts-daemon00:15:390
2064820991714,2cyclictest0-21swapper/022:15:010
2064820991713,3cyclictest1300-21mta-sts-daemon22:16:060
3240591169,3phc2sys0-21swapper/322:20:013
3240591161,2phc2sys0-21swapper/323:35:333
3240591160,2phc2sys0-21swapper/321:42:423
206482299167,4cyclictest0-21swapper/221:05:102
206482299165,4cyclictest0-21swapper/220:15:112
206482299161,6cyclictest0-21swapper/222:05:092
2064822991613,1cyclictest0-21swapper/223:55:242
2064822991613,1cyclictest0-21swapper/223:20:012
2064822991613,1cyclictest0-21swapper/222:45:402
2064822991613,1cyclictest0-21swapper/221:20:012
2064822991613,1cyclictest0-21swapper/220:05:012
2064822991613,1cyclictest0-21swapper/219:50:362
2064822991612,2cyclictest0-21swapper/223:20:302
2064822991612,2cyclictest0-21swapper/222:00:032
2064821991613,2cyclictest684-21systemd-logind20:20:011
2064821991613,2cyclictest664-21dbus-daemon23:25:361
2064821991613,2cyclictest664-21dbus-daemon22:50:011
2064821991613,2cyclictest2398201-21systemd-run23:15:011
2064821991613,2cyclictest2362251-21sed22:50:301
2064821991613,2cyclictest2310014-21df22:15:261
2064821991613,2cyclictest2089663-21kthreadcore19:25:311
2064821991613,2cyclictest0-21swapper/122:30:351
2064821991613,2cyclictest0-21swapper/121:45:011
2064821991612,2cyclictest0-21swapper/121:10:031
206482199160,6cyclictest2503034-21kthreadcore00:25:301
206482099169,2cyclictest1307-21mta-sts-daemon00:06:570
206482099166,5cyclictest0-21swapper/021:10:360
206482099165,6cyclictest0-21swapper/019:36:430
206482099161,9cyclictest0-21swapper/022:08:510
206482099161,9cyclictest0-21swapper/021:39:090
2064820991613,2cyclictest2340462-21kthreadcore22:35:280
2064820991613,2cyclictest2195454-21tr20:55:250
2064820991613,2cyclictest2064818-21cyclictest21:05:360
2064820991612,3cyclictest759-1atopacctd20:35:320
3240591150,2phc2sys0-21swapper/322:23:463
3240591150,2phc2sys0-21swapper/320:25:423
3240591150,2phc2sys0-21swapper/300:36:033
3240591150,1phc2sys0-21swapper/323:59:253
3240591150,1phc2sys0-21swapper/323:20:483
206482299151,8cyclictest0-21swapper/219:30:112
206482299151,7cyclictest0-21swapper/200:10:092
206482299151,7cyclictest0-21swapper/200:10:092
2064822991513,1cyclictest0-21swapper/222:03:472
2064822991512,1cyclictest0-21swapper/222:30:112
2064822991512,1cyclictest0-21swapper/221:45:502
2064822991512,1cyclictest0-21swapper/221:15:032
2064822991512,1cyclictest0-21swapper/220:54:522
2064822991512,1cyclictest0-21swapper/220:50:022
2064822991511,2cyclictest0-21swapper/222:11:212
206482199156,4cyclictest0-21swapper/121:30:111
206482199155,5cyclictest2235123-21cat21:25:001
2064821991512,2cyclictest2373720-21needreboot22:55:331
2064821991512,2cyclictest2235825-21cpuspeed_turbos21:25:251
2064821991512,2cyclictest2223203-21kthreadcore21:15:341
2064821991512,2cyclictest2218776-21sed21:10:381
2064821991512,2cyclictest2109839-21apt-key19:45:011
2064821991512,2cyclictest1307-21mta-sts-daemon20:30:111
2064821991512,2cyclictest1-21systemd20:55:341
2064821991512,2cyclictest0-21swapper/122:10:031
2064821991511,3cyclictest2064818-21cyclictest19:35:301
2064821991510,4cyclictest1306-21mta-sts-daemon20:23:061
206482099157,2cyclictest0-21swapper/022:20:290
206482099156,2cyclictest0-21swapper/021:15:090
2064820991512,2cyclictest759-1atopacctd20:50:310
2064820991512,2cyclictest2388390-21kthreadcore23:05:330
2064820991512,2cyclictest2354894-21irqcore22:45:320
2064820991512,2cyclictest2353408-21latency_hist22:45:010
2064820991512,2cyclictest2207077-21sh21:05:020
2064820991512,2cyclictest2157683-21mailstats20:20:360
2064820991512,2cyclictest2128063-21latency_hist20:00:010
2064820991512,2cyclictest2080836-21sed19:20:320
2064820991512,2cyclictest2076421-21kthreadcore19:15:330
2064820991512,2cyclictest2071632-21cut19:15:030
3240591141,2phc2sys0-21swapper/319:50:193
3240591140,2phc2sys0-21swapper/323:08:543
3240591140,2phc2sys0-21swapper/300:32:503
3240591140,1phc2sys0-21swapper/319:56:493
3240591140,1phc2sys0-21swapper/319:45:433
206482299146,4cyclictest0-21swapper/223:50:082
206482299141,7cyclictest0-21swapper/222:20:102
206482299141,6cyclictest0-21swapper/220:05:102
206482299141,6cyclictest0-21swapper/219:10:012
2064822991412,1cyclictest0-21swapper/220:00:012
2064822991412,1cyclictest0-21swapper/219:20:022
2064822991412,1cyclictest0-21swapper/200:25:012
2064822991412,1cyclictest0-21swapper/200:00:342
2064822991411,1cyclictest0-21swapper/223:40:012
2064822991411,1cyclictest0-21swapper/222:53:292
2064822991411,1cyclictest0-21swapper/222:40:332
2064822991411,1cyclictest0-21swapper/221:54:462
2064822991411,1cyclictest0-21swapper/221:40:332
2064822991411,1cyclictest0-21swapper/221:20:342
2064822991411,1cyclictest0-21swapper/220:10:292
2064822991410,2cyclictest0-21swapper/223:45:342
206482199148,5cyclictest2083850-21kthreadcore19:20:331
206482199145,8cyclictest2179145-21tr20:40:321
206482199141,3cyclictest2435368-21apt-get23:40:091
2064821991411,2cyclictest2193190-21kthreadcore20:50:321
2064821991411,2cyclictest1300-21mta-sts-daemon19:30:291
2064821991410,3cyclictest2136459-21kthreadcore20:05:311
206482099147,5cyclictest268-21systemd-journal20:32:080
206482099147,2cyclictest2447909-21cut23:45:370
206482099141,8cyclictest2479869-21aten_repower_vo00:10:220
206482099141,8cyclictest2479869-21aten_repower_vo00:10:220
2064820991411,2cyclictest2392832-21kthreadcore23:10:300
2064820991411,2cyclictest2133325-21mailstats20:00:350
2064820991410,3cyclictest2064818-21cyclictest20:45:330
3240591131,2phc2sys0-21swapper/320:31:513
3240591130,3phc2sys0-21swapper/300:16:323
3240591130,2phc2sys0-21swapper/323:25:303
3240591130,2phc2sys0-21swapper/321:54:103
3240591130,1phc2sys0-21swapper/322:09:193
206482299139,2cyclictest0-21swapper/220:55:082
206482299131,8cyclictest0-21swapper/219:45:092
2064822991311,1cyclictest0-21swapper/223:30:322
2064822991310,1cyclictest0-21swapper/222:55:162
2064822991310,1cyclictest0-21swapper/221:00:222
2064822991310,1cyclictest0-21swapper/200:36:442
2064821991310,2cyclictest672-21polkitd20:40:011
2064821991310,2cyclictest2202520-21kernelversion21:00:291
2064821991310,2cyclictest2129353-21irqcore20:00:301
206482099131,7cyclictest2178215-21irqstats20:40:310
2064820991310,2cyclictest1309-21mta-sts-daemon20:25:320
2064820991310,2cyclictest1306-21mta-sts-daemon19:45:090
1157598130,5rtkit-daemon1307-21mta-sts-daemon19:06:091
3240591123,2phc2sys0-21swapper/320:35:323
3240591121,2phc2sys0-21swapper/320:00:263
3240591120,2phc2sys0-21swapper/323:49:113
3240591120,2phc2sys0-21swapper/323:12:483
3240591120,2phc2sys0-21swapper/322:50:033
3240591120,2phc2sys0-21swapper/322:27:563
3240591120,2phc2sys0-21swapper/321:49:253
3240591120,2phc2sys0-21swapper/319:27:003
3240591120,2phc2sys0-21swapper/319:10:093
3240591120,1phc2sys0-21swapper/323:43:263
3240591120,1phc2sys0-21swapper/321:13:473
206482299129,1cyclictest0-21swapper/220:35:242
206482299129,1cyclictest0-21swapper/220:30:252
2064822991210,1cyclictest0-21swapper/220:25:022
2064822991210,1cyclictest0-21swapper/219:25:272
2064822991210,1cyclictest0-21swapper/219:15:032
206482299120,5cyclictest0-21swapper/219:20:102
3240591111,2phc2sys0-21swapper/300:25:023
3240591110,2phc2sys0-21swapper/322:52:433
3240591110,2phc2sys0-21swapper/322:30:353
3240591110,2phc2sys0-21swapper/322:00:133
3240591110,2phc2sys0-21swapper/321:24:483
3240591110,2phc2sys0-21swapper/321:15:123
3240591110,2phc2sys0-21swapper/321:05:103
3240591110,2phc2sys0-21swapper/320:40:093
3240591110,2phc2sys0-21swapper/320:11:513
3240591110,2phc2sys0-21swapper/319:35:293
3240591110,1phc2sys0-21swapper/323:16:443
3240591110,1phc2sys0-21swapper/321:56:403
3240591110,1phc2sys0-21swapper/320:18:373
206482099111,8cyclictest2064886-21munin-run19:10:020
3240591101,4phc2sys0-21swapper/322:55:093
3240591101,4phc2sys0-21swapper/319:20:103
3240591101,2phc2sys0-21swapper/321:04:543
3240591101,2phc2sys0-21swapper/320:50:283
3240591101,2phc2sys0-21swapper/300:01:423
3240591101,1phc2sys0-21swapper/322:39:003
3240591100,3phc2sys0-21swapper/300:05:343
3240591100,2phc2sys0-21swapper/319:18:373
324059191,2phc2sys0-21swapper/300:11:113
324059191,2phc2sys0-21swapper/300:11:113
324059190,2phc2sys0-21swapper/323:50:523
324059190,2phc2sys0-21swapper/321:25:303
324059190,2phc2sys0-21swapper/320:05:273
324059190,2phc2sys0-21swapper/319:40:463
324059190,2phc2sys0-21swapper/319:30:333
324059190,2phc2sys0-21swapper/319:05:283
324059190,2phc2sys0-21swapper/300:25:303
324059190,1phc2sys0-21swapper/320:45:403
324059190,1phc2sys0-21swapper/320:20:173
324059180,3phc2sys0-21swapper/320:55:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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