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2025-12-20 - 07:03
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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 highest latencies:
System rackeslot2.osadl.org (updated Sat Dec 20, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
395749021080,2sleep30-21swapper/323:18:433
401899921070,2sleep30-21swapper/300:13:293
371546121000,2sleep20-21swapper/220:01:262
37765992850,1sleep10-21swapper/120:53:271
37212022430,1sleep03721203-21wc20:05:010
37273462280,2sleep30-21swapper/320:10:013
3652498992825,1cyclictest0-21swapper/222:30:002
3652497992421,2cyclictest1-21systemd19:40:011
3652498992219,1cyclictest0-21swapper/223:45:012
3652497992118,2cyclictest4042549-21/usr/sbin/munin00:30:001
3652497992118,2cyclictest3800559-21latency_hist21:10:011
2902298210,5rtkit-daemon1109-21hwrng20:12:071
3652498992017,1cyclictest0-21swapper/222:55:012
3652497992017,2cyclictest3739572-21/usr/sbin/munin20:20:011
3652496992017,2cyclictest3861074-21idleruntime-cro22:00:000
3652498991917,0cyclictest0-21swapper/223:05:012
3652498991916,1cyclictest0-21swapper/223:10:002
3652498991915,2cyclictest0-21swapper/222:25:012
3652498991815,1cyclictest0-21swapper/219:25:002
3652498991815,1cyclictest0-21swapper/200:08:352
365249699185,7cyclictest0-21swapper/023:58:260
3652496991815,2cyclictest3824732-21/usr/sbin/munin21:30:010
3652498991715,1cyclictest0-21swapper/221:40:012
3652498991715,1cyclictest0-21swapper/219:15:022
3652497991714,2cyclictest4025748-21gltestperf00:18:321
3652497991714,2cyclictest3727104-21apt-get20:10:001
3652497991714,2cyclictest1288-1atopacctd22:00:011
3652496991714,2cyclictest3945436-21apt-key23:10:000
3652496991714,2cyclictest3867093-21latency_hist22:05:010
3652496991714,2cyclictest3855124-21latency_hist21:55:010
3652496991714,2cyclictest3775811-21apt-key20:50:000
3652496991714,2cyclictest3769580-21gpgconf20:45:010
365249699171,3cyclictest3696756-21latency_hist19:45:010
2649091170,1phc2sys0-21swapper/300:38:313
3652498991614,1cyclictest0-21swapper/222:40:022
3652498991614,1cyclictest0-21swapper/221:45:002
3652498991614,1cyclictest0-21swapper/220:45:012
3652498991614,1cyclictest0-21swapper/200:30:002
3652498991613,1cyclictest0-21swapper/223:33:332
3652498991613,1cyclictest0-21swapper/220:50:002
3652497991614,1cyclictest3714767-21sh20:00:011
3652497991613,2cyclictest3976028-21sh23:35:011
3652497991613,2cyclictest3945601-21apt-key23:10:001
3652497991613,2cyclictest3921404-21sh22:50:011
3652497991613,2cyclictest0-21swapper/120:45:011
365249699169,4cyclictest1426-21gdbus19:20:010
365249699169,2cyclictest3783296-21expr20:58:310
3652496991615,1cyclictest0-21swapper/020:30:370
3652496991613,2cyclictest3800600-21apt-key21:10:010
3652496991613,2cyclictest1327-21in:imuxsock23:40:010
3652496991613,2cyclictest1288-1atopacctd20:28:410
3652496991613,2cyclictest0-21swapper/020:00:010
365249699160,14cyclictest3897211-21latency_hist22:30:000
2649091160,2phc2sys0-21swapper/323:34:563
2649091160,2phc2sys0-21swapper/320:13:303
3652498991513,1cyclictest0-21swapper/222:08:342
3652498991513,1cyclictest0-21swapper/221:58:352
3652498991513,1cyclictest0-21swapper/221:35:002
3652498991513,1cyclictest0-21swapper/220:35:012
3652498991512,1cyclictest0-21swapper/221:05:012
3652498991512,1cyclictest0-21swapper/220:15:002
3652498991512,1cyclictest0-21swapper/219:58:332
3652498991512,1cyclictest0-21swapper/219:50:012
3652498991512,1cyclictest0-21swapper/200:33:372
365249899151,10cyclictest0-21swapper/220:08:292
365249799159,3cyclictest3958268-21apt-get23:23:281
365249799158,3cyclictest0-21swapper/121:44:421
3652497991513,1cyclictest29021-21rtkit-daemon00:08:321
3652497991512,2cyclictest4024708-21sh00:15:021
3652497991512,2cyclictest4004836-21kthreadcore23:58:341
3652497991512,2cyclictest3965005-21sed23:28:331
3652497991512,2cyclictest3904917-21grep22:38:341
3652497991512,2cyclictest3813588-21cpuspeed_turbos21:23:281
3652497991511,3cyclictest3983923-21kthreadcore23:43:351
3652497991511,3cyclictest3658760-21missed_timers19:15:021
365249699156,5cyclictest0-21swapper/023:23:090
3652496991513,1cyclictest3951629-21ls23:15:000
3652496991512,2cyclictest4036573-21munin-plugin-st00:25:010
3652496991512,2cyclictest4027770-21kthreadcore00:18:350
3652496991512,2cyclictest4018151-21perf00:10:000
3652496991512,2cyclictest3708853-21munin-plugin-st19:55:010
3652496991512,2cyclictest1290-21dbus-daemon21:15:020
3652496991512,2cyclictest1288-1atopacctd22:53:340
3652496991512,2cyclictest1-21systemd22:40:020
3652496991512,2cyclictest0-21swapper/022:50:010
3652496991511,3cyclictest1327-21in:imuxsock19:15:010
3652496991511,3cyclictest1296-21polkitd21:40:000
3652496991511,3cyclictest1288-1atopacctd23:18:370
2649091150,2phc2sys0-21swapper/322:39:563
2649091150,1phc2sys0-21swapper/323:23:313
2649091150,1phc2sys0-21swapper/322:13:293
2649091150,1phc2sys0-21swapper/320:03:333
2649091150,1phc2sys0-21swapper/319:58:373
38920922140,2sleep30-21swapper/322:28:303
3652498991412,1cyclictest0-21swapper/220:23:362
3652498991412,1cyclictest0-21swapper/219:38:412
3652498991412,1cyclictest0-21swapper/200:23:322
3652498991411,1cyclictest0-21swapper/222:48:332
3652498991411,1cyclictest0-21swapper/222:03:342
3652498991411,1cyclictest0-21swapper/220:55:012
3652498991411,1cyclictest0-21swapper/220:38:322
365249799148,2cyclictest134050irq/121-eno100:38:291
365249799147,5cyclictest257-21systemd-journal23:38:261
365249799145,7cyclictest3901018-1grep22:33:361
3652497991412,1cyclictest3990146-21kthreadcore23:48:351
3652497991411,2cyclictest4048096-21pmu-power00:33:401
3652497991411,2cyclictest4034809-21kthreadcore00:23:371
3652497991411,2cyclictest3927423-21latency_hist22:55:011
3652497991411,2cyclictest3878688-21switchtime22:13:401
3652497991411,2cyclictest3849713-21head21:53:291
3652497991411,2cyclictest3812148-21mailstats21:18:401
3652497991411,2cyclictest3759725-21kthreadcore20:38:351
3652497991411,2cyclictest3751542-21latency_hist20:30:011
3652497991411,2cyclictest3700583-21kthreadcore19:48:361
3652497991411,2cyclictest3678002-21phc2sys19:28:371
3652497991411,2cyclictest1288-1atopacctd23:53:261
3652497991410,3cyclictest3847434-21kthreadcore21:48:361
3652497991410,3cyclictest3786653-21kthreadcore20:58:371
3652497991410,3cyclictest1288-1atopacctd23:03:361
3652497991410,2cyclictest3831172-21systemd-run21:35:011
365249699148,5cyclictest3840709-21tr21:43:340
365249699148,5cyclictest0-21swapper/019:28:280
365249699147,2cyclictest4042495-21awk00:30:000
365249699146,2cyclictest3685314-21apt-get19:38:300
365249699144,4cyclictest3697158-21sshd19:46:270
365249699143,4cyclictest3982707-21aten_repower_fr23:43:300
365249699141,7cyclictest3739563-21munin-run20:20:010
3652496991411,2cyclictest4044011-21gltestperf00:33:340
3652496991411,2cyclictest4024533-21gpgconf00:15:010
3652496991411,2cyclictest3993291-21needreboot23:48:380
3652496991411,2cyclictest3975054-21phc2sys-jitter23:33:380
3652496991411,2cyclictest3965571-21kthreadcore23:28:360
3652496991411,2cyclictest3939373-21dump-pmu-power23:05:010
3652496991411,2cyclictest3912271-21kthreadcore22:43:350
3652496991411,2cyclictest3891167-21idleruntime-cro22:25:000
3652496991411,2cyclictest3844356-21head21:48:320
3652496991411,2cyclictest3826660-21irqrtprio21:33:340
3652496991411,2cyclictest3817407-21kthreadcore21:23:340
3652496991411,2cyclictest3743647-21kthreadcore20:23:370
3652496991411,2cyclictest3728574-21fschecks_time20:13:310
3652496991411,2cyclictest3652494-21cyclictest23:53:320
3652496991411,2cyclictest1290-21dbus-daemon20:38:540
3652496991411,2cyclictest0-21swapper/023:00:010
3652496991411,2cyclictest0-21swapper/020:55:000
3652496991410,3cyclictest1288-1atopacctd19:23:330
2649091141,2phc2sys0-21swapper/322:03:273
2649091140,2phc2sys0-21swapper/300:09:563
365249899139,1cyclictest0-21swapper/219:43:352
3652498991311,1cyclictest0-21swapper/223:20:012
3652498991311,1cyclictest0-21swapper/223:15:012
3652498991311,1cyclictest0-21swapper/222:43:352
3652498991311,1cyclictest0-21swapper/222:35:012
3652498991311,1cyclictest0-21swapper/221:28:362
3652498991311,1cyclictest0-21swapper/221:13:342
3652498991311,1cyclictest0-21swapper/219:20:012
3652498991310,1cyclictest0-21swapper/223:48:352
3652498991310,1cyclictest0-21swapper/223:28:362
3652498991310,1cyclictest0-21swapper/223:23:282
3652498991310,1cyclictest0-21swapper/222:18:362
3652498991310,1cyclictest0-21swapper/222:13:362
3652498991310,1cyclictest0-21swapper/221:23:332
3652498991310,1cyclictest0-21swapper/220:58:372
3652498991310,1cyclictest0-21swapper/220:27:262
3652498991310,1cyclictest0-21swapper/219:33:342
3652498991310,1cyclictest0-21swapper/200:18:332
3652498991310,1cyclictest0-21swapper/200:13:342
3652498991310,1cyclictest0-21swapper/200:05:002
365249799139,3cyclictest3820256-21irqcore21:28:331
365249799139,3cyclictest3743232-21kthreadcore20:23:361
365249799138,4cyclictest3789223-21cpuspeed_turbos21:03:301
365249799135,4cyclictest0-21swapper/123:13:261
3652497991310,2cyclictest4006712-21aten_repower_cu00:03:281
3652497991310,2cyclictest3955952-21kthreadcore23:18:381
3652497991310,2cyclictest3927991-21aten_repower_po22:58:301
3652497991310,2cyclictest3911172-21kthreadcore22:43:351
3652497991310,2cyclictest3891869-21aten_repower_po22:28:291
3652497991310,2cyclictest3887052-21kthreadcore22:23:321
3652497991310,2cyclictest3880403-21gltestperf22:18:321
3652497991310,2cyclictest3870389-21kthreadcore22:08:341
3652497991310,2cyclictest3865546-21kthreadcore22:03:341
3652497991310,2cyclictest3802927-21kthreadcore21:13:341
3652497991310,2cyclictest3770383-21aten_repower_fr20:48:281
3652497991310,2cyclictest3707424-21kthreadcore19:53:351
3652497991310,2cyclictest3694751-21kthreadcore19:43:351
3652497991310,2cyclictest3679642-21cstates19:33:291
3652497991310,2cyclictest3669631-21kthreadcore19:23:331
3652497991310,2cyclictest3664246-21kthreadcore19:18:361
3652497991310,2cyclictest3652494-21cyclictest20:33:351
365249699131,7cyclictest0-21swapper/021:18:310
365249699131,7cyclictest0-21swapper/000:03:350
3652496991310,2cyclictest4050000-21uniq00:38:310
3652496991310,2cyclictest3884486-21pmu-power22:18:380
3652496991310,2cyclictest3790695-21kthreadcore21:03:350
3652496991310,2cyclictest3723815-21kthreadcore20:08:360
3652496991310,2cyclictest1288-1atopacctd22:13:360
3652496991310,2cyclictest1286-21avahi-daemon22:10:010
365249699130,2cyclictest0-21swapper/019:32:420
365249899129,1cyclictest0-21swapper/223:56:232
365249899129,1cyclictest0-21swapper/222:58:292
365249899129,1cyclictest0-21swapper/221:48:342
365249899129,1cyclictest0-21swapper/221:17:402
365249899129,1cyclictest0-21swapper/220:18:162
365249899129,1cyclictest0-21swapper/219:52:402
3652498991210,1cyclictest0-21swapper/223:38:382
3652498991210,1cyclictest0-21swapper/221:08:292
3652498991210,1cyclictest0-21swapper/219:30:002
3652498991210,1cyclictest0-21swapper/219:10:012
3652498991210,1cyclictest0-21swapper/200:38:352
365249799129,2cyclictest1348-21wpa_supplicant21:37:071
365249799128,3cyclictest3718384-21kthreadcore20:03:351
3652496991210,1cyclictest29021-21rtkit-daemon22:30:520
2649091121,2phc2sys0-21swapper/320:53:263
365249899119,1cyclictest0-21swapper/223:52:172
365249799110,6cyclictest3652575-21latency_hist19:10:021
2649091113,2phc2sys0-21swapper/320:28:333
2649091111,2phc2sys0-21swapper/321:03:283
2649091111,2phc2sys0-21swapper/319:23:263
2649091111,2phc2sys0-21swapper/300:19:523
2649091110,2phc2sys0-21swapper/322:18:303
2649091110,2phc2sys0-21swapper/321:53:413
2649091110,2phc2sys0-21swapper/321:43:313
2649091110,1phc2sys0-21swapper/322:24:233
2649091110,1phc2sys0-21swapper/321:23:473
2649091110,1phc2sys0-21swapper/320:59:313
2649091110,1phc2sys0-21swapper/320:40:073
2649091110,1phc2sys0-21swapper/320:16:153
365249899108,1cyclictest0-21swapper/221:52:292
365249699100,4cyclictest0-21swapper/019:10:020
2649091101,2phc2sys0-21swapper/323:13:283
2649091100,2phc2sys0-21swapper/323:57:433
2649091100,2phc2sys0-21swapper/323:40:333
2649091100,2phc2sys0-21swapper/323:28:313
2649091100,2phc2sys0-21swapper/323:08:273
2649091100,2phc2sys0-21swapper/323:03:303
2649091100,2phc2sys0-21swapper/322:58:293
2649091100,2phc2sys0-21swapper/322:43:353
2649091100,2phc2sys0-21swapper/321:10:013
2649091100,2phc2sys0-21swapper/320:39:323
2649091100,2phc2sys0-21swapper/319:53:273
2649091100,2phc2sys0-21swapper/319:43:373
2649091100,2phc2sys0-21swapper/319:28:313
2649091100,2phc2sys0-21swapper/319:15:043
2649091100,2phc2sys0-21swapper/300:33:303
2649091100,1phc2sys0-21swapper/321:27:403
2649091100,1phc2sys0-21swapper/320:45:403
2649091100,1phc2sys0-21swapper/319:11:163
264909191,2phc2sys0-21swapper/321:33:293
264909190,6phc2sys3806531-21chrt21:13:563
264909190,2phc2sys0-21swapper/323:53:273
264909190,2phc2sys0-21swapper/322:47:553
264909190,2phc2sys0-21swapper/321:49:553
264909190,2phc2sys0-21swapper/321:16:253
264909190,2phc2sys0-21swapper/319:49:563
264909190,2phc2sys0-21swapper/319:33:283
264909190,2phc2sys0-21swapper/300:28:333
264909190,2phc2sys0-21swapper/300:03:413
264909190,1phc2sys0-21swapper/322:34:573
264909181,2phc2sys0-21swapper/323:45:063
264909181,2phc2sys0-21swapper/319:08:303
264909181,1phc2sys0-21swapper/321:58:303
264909180,2phc2sys0-21swapper/322:53:283
264909180,2phc2sys0-21swapper/321:39:553
264909180,2phc2sys0-21swapper/320:33:303
264909180,1phc2sys0-21swapper/323:35:123
264909180,1phc2sys0-21swapper/322:08:323
264909180,1phc2sys0-21swapper/320:20:163
264909180,1phc2sys0-21swapper/319:39:173
264909180,1phc2sys0-21swapper/300:23:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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