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2025-12-22 - 03:36
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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 Mon Dec 22, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322705421140,2sleep30-21swapper/322:40:013
29792652420,2sleep30-21swapper/319:15:033
2970996992623,1cyclictest0-21swapper/221:25:012
2970994992623,2cyclictest3324010-21munin-plugin-st00:00:010
2970994992421,2cyclictest28938-21cron00:40:010
2970995992118,2cyclictest3342348-21apt-key00:15:011
2970994992017,2cyclictest3233082-21apt-key22:45:000
2970994992017,2cyclictest1326-21systemd-logind19:15:010
2970996991917,1cyclictest0-21swapper/221:40:012
297099499191,3cyclictest3339961-21kthreadcore00:13:340
2970996991815,1cyclictest0-21swapper/223:10:012
2970995991815,2cyclictest3233297-21gdbus22:45:011
2970995991815,2cyclictest3088035-21apt-key20:45:011
2970995991815,2cyclictest1327-21in:imuxsock20:40:021
2970995991814,2cyclictest0-21swapper/123:00:011
297099499189,8cyclictest2018-21lldpd19:28:260
2970994991815,2cyclictest0-21swapper/021:20:010
297099499180,6cyclictest3087785-21apt-config20:45:010
2970996991714,1cyclictest0-21swapper/219:50:012
2970995991714,2cyclictest1326-21systemd-logind23:15:011
297099499178,4cyclictest3135266-21kthreadcore21:23:320
2970994991714,2cyclictest1326-21systemd-logind22:05:010
2970994991713,3cyclictest1313-21gmain21:05:000
2970994991713,2cyclictest3208999-21latency_hist22:25:020
297099499171,12cyclictest3069816-21munin-run20:30:010
297099699161,6cyclictest0-21swapper/221:10:012
297099699161,5cyclictest0-21swapper/220:20:012
2970996991614,1cyclictest0-21swapper/223:40:012
2970996991613,1cyclictest0-21swapper/220:53:342
297099599168,4cyclictest3010060-21tail19:43:251
2970995991613,2cyclictest3161848-21gltestperf21:48:291
2970995991613,2cyclictest3051125-21mailstats20:13:411
2970995991613,2cyclictest1326-21systemd-logind20:10:021
2970995991613,2cyclictest1288-1atopacctd20:05:021
2970995991612,3cyclictest3363723-21kthreadcore00:33:331
2970995991612,3cyclictest3291239-21kthreadcore23:33:321
2970995991612,3cyclictest3291239-21kthreadcore23:33:321
2970995991612,3cyclictest3220350-21mailstats22:33:361
2970995991612,3cyclictest1288-1atopacctd22:38:381
2970994991613,2cyclictest3234061-21grep22:48:270
2970994991613,2cyclictest3227059-21munin-plugin-st22:40:010
2970994991613,2cyclictest3220914-21systemd-run22:35:010
2970994991613,2cyclictest1-21systemd23:29:550
2970994991612,3cyclictest1326-21systemd-logind21:35:020
2970994991611,4cyclictest3093782-21unixbench-2d20:48:390
2970996991513,1cyclictest0-21swapper/223:50:012
2970996991513,1cyclictest0-21swapper/223:00:022
2970996991513,1cyclictest0-21swapper/219:20:012
2970996991513,1cyclictest0-21swapper/219:15:022
2970996991512,1cyclictest0-21swapper/222:40:002
2970996991512,1cyclictest0-21swapper/221:58:282
2970996991512,1cyclictest0-21swapper/220:13:362
2970996991512,1cyclictest0-21swapper/219:53:322
297099699150,8cyclictest0-21swapper/220:50:012
297099599152,7cyclictest3354450-1cat00:25:011
297099599151,2cyclictest3196748-21apt22:15:001
2970995991512,2cyclictest3308615-21kthreadcore23:48:351
2970995991512,2cyclictest3263604-21munin-plugin-st23:10:021
2970995991512,2cyclictest3233776-21acpi22:48:241
2970995991512,2cyclictest3060266-21kthreadcore20:23:321
2970995991512,2cyclictest3060266-21kthreadcore20:23:321
2970995991512,2cyclictest2986462-21fschecks_count19:23:291
2970995991512,2cyclictest2985436-21latency_hist19:20:011
2970995991512,2cyclictest1327-21in:imuxsock19:35:011
2970995991512,2cyclictest0-21swapper/120:20:001
2970994991512,2cyclictest3299799-21munin-plugin-st23:40:020
2970994991512,2cyclictest3101708-21irqrtprio20:58:330
2970994991512,2cyclictest3039672-21latency_hist20:05:010
2970994991512,2cyclictest2986766-21irqcore19:23:320
2970994991512,2cyclictest2979291-21cut19:15:030
2970994991512,2cyclictest0-21swapper/023:20:010
2970994991512,2cyclictest0-21swapper/021:40:010
2970994991512,1cyclictest0-21swapper/000:35:020
2970994991511,3cyclictest3359736-21pmu-power00:28:370
2970994991511,3cyclictest3344633-21kthreadcore00:18:330
2970994991511,3cyclictest3306263-21aten_repower_en23:48:280
2970994991511,3cyclictest3301643-21kthreadcore23:43:320
2970994991511,3cyclictest3163236-21kthreadcore21:48:310
2970994991511,3cyclictest3159868-21phc2sys21:43:370
2970994991511,3cyclictest3030423-21kthreadcore19:58:330
2970994991511,3cyclictest2970992-21cyclictest23:13:380
297099699141,8cyclictest0-21swapper/221:50:012
2970996991412,1cyclictest0-21swapper/220:45:022
2970996991411,1cyclictest0-21swapper/223:55:012
2970996991411,1cyclictest0-21swapper/223:35:012
2970996991411,1cyclictest0-21swapper/223:35:012
2970996991411,1cyclictest0-21swapper/222:45:012
2970996991411,1cyclictest0-21swapper/222:13:392
2970996991411,1cyclictest0-21swapper/221:01:212
2970996991411,1cyclictest0-21swapper/220:55:212
2970996991411,1cyclictest0-21swapper/220:28:292
2970996991411,1cyclictest0-21swapper/220:08:312
2970996991411,1cyclictest0-21swapper/200:23:342
2970996991411,1cyclictest0-21swapper/200:03:302
297099699140,9cyclictest0-21swapper/221:30:012
2970995991411,2cyclictest3317949-21apt-key23:55:011
2970995991411,2cyclictest3295452-21kthreadcore23:38:351
2970995991411,2cyclictest3209449-21aten_repower_en22:28:261
2970995991411,2cyclictest3186500-21irqrtprio22:08:321
2970995991411,2cyclictest3136758-21acpi21:28:261
2970995991411,2cyclictest3124987-21cpuspeed_turbos21:18:271
2970995991411,2cyclictest3067272-21kthreadcore20:28:321
2970995991411,2cyclictest3031833-21kthreadcore19:58:341
2970995991411,2cyclictest1288-1atopacctd22:00:011
2970995991411,2cyclictest0-21swapper/100:00:011
2970995991410,3cyclictest3345000-21kthreadcore00:18:331
2970995991410,3cyclictest3241396-21kthreadcore22:53:311
2970995991410,3cyclictest3204609-21irqrtprio22:23:311
2970995991410,3cyclictest3089790-21irqrtprio20:48:321
2970995991410,3cyclictest2970992-21cyclictest21:08:371
297099499145,5cyclictest0-21swapper/021:13:580
297099499145,5cyclictest0-21swapper/019:44:010
297099499145,5cyclictest0-21swapper/000:03:300
297099499145,2cyclictest0-21swapper/019:33:320
297099499144,6cyclictest3169875-21cut21:53:330
297099499142,7cyclictest3118093-21latency_hist21:10:010
297099499142,2cyclictest134050irq/121-eno123:03:290
2970994991411,2cyclictest3348984-21aten_repower_cu00:23:260
2970994991411,2cyclictest3331475-21if_enp1s000:08:300
2970994991411,2cyclictest3277990-21kthreadcore23:23:310
2970994991411,2cyclictest3259200-21kthreadcore23:08:310
2970994991411,2cyclictest3251349-21systemd-run23:00:000
2970994991411,2cyclictest3240093-21cpuspeed_turbos22:53:260
2970994991411,2cyclictest3198603-21kernelversion22:18:340
2970994991411,2cyclictest3188031-21kthreadcore22:08:340
2970994991411,2cyclictest3178674-21perf22:00:000
2970994991411,2cyclictest3099453-21ptp4l20:53:370
2970994991411,2cyclictest3059534-21kthreadcore20:23:320
2970994991411,2cyclictest3059534-21kthreadcore20:23:320
2970994991411,2cyclictest3046180-21aten_repower_cu20:13:290
2970994991410,3cyclictest3292230-21kthreadcore23:33:320
2970994991410,3cyclictest3292230-21kthreadcore23:33:320
2970994991410,3cyclictest3071548-21kthreadcore20:33:300
2970994991410,2cyclictest0-21swapper/019:40:010
2970994991410,2cyclictest0-21swapper/019:10:010
2902298140,1rtkit-daemon0-21swapper/123:44:181
2902298140,1rtkit-daemon0-21swapper/123:00:261
2649091140,3phc2sys0-21swapper/319:08:273
297099699131,6cyclictest0-21swapper/222:50:012
2970996991311,1cyclictest0-21swapper/222:35:022
2970996991311,1cyclictest0-21swapper/219:28:322
2970996991310,1cyclictest0-21swapper/223:28:272
2970996991310,1cyclictest0-21swapper/223:23:272
2970996991310,1cyclictest0-21swapper/223:13:352
2970996991310,1cyclictest0-21swapper/222:23:332
2970996991310,1cyclictest0-21swapper/221:53:332
2970996991310,1cyclictest0-21swapper/221:33:292
2970996991310,1cyclictest0-21swapper/220:03:302
2970996991310,1cyclictest0-21swapper/219:23:282
2970996991310,1cyclictest0-21swapper/200:38:302
2970996991310,1cyclictest0-21swapper/200:18:342
2970996991310,1cyclictest0-21swapper/200:08:262
297099599139,3cyclictest3369375-21kthreadcore00:38:321
297099599139,3cyclictest3284772-21kthreadcore23:28:321
297099599139,3cyclictest3168522-21kthreadcore21:53:321
297099599139,3cyclictest3159829-21head21:43:371
297099599139,3cyclictest3020635-21missed_timers19:48:341
297099599139,3cyclictest2991970-21aten_repower_fr19:28:271
2970995991310,2cyclictest3331877-21irqrtprio00:08:311
2970995991310,2cyclictest3325491-21irqcore00:03:311
2970995991310,2cyclictest3270830-21grep23:18:301
2970995991310,2cyclictest3180564-21kthreadcore22:03:321
2970995991310,2cyclictest3132387-21kthreadcore21:23:301
2970995991310,2cyclictest3096620-21kthreadcore20:53:331
2970995991310,2cyclictest3074271-21kthreadcore20:33:311
2970995991310,2cyclictest3023803-21kthreadcore19:53:311
2970995991310,2cyclictest3004591-21fschecks_time19:38:291
2970995991310,2cyclictest2970992-21cyclictest22:18:361
297099499139,3cyclictest3139515-21kthreadcore21:28:360
297099499139,3cyclictest3054950-21kthreadcore20:18:360
2970994991312,1cyclictest0-21swapper/020:36:230
2970994991311,1cyclictest3317818-21apt-config23:55:010
2970994991311,1cyclictest29021-21rtkit-daemon20:06:430
2970994991310,2cyclictest3212153-21kthreadcore22:28:330
2970994991310,2cyclictest3192606-21kthreadcore22:13:330
2970994991310,2cyclictest3025377-21kthreadcore19:53:320
2970994991310,2cyclictest3020243-21kthreadcore19:48:330
297099699129,1cyclictest0-21swapper/223:05:022
297099699129,1cyclictest0-21swapper/222:53:242
297099699129,1cyclictest0-21swapper/222:28:502
297099699129,1cyclictest0-21swapper/222:17:342
297099699129,1cyclictest0-21swapper/222:08:342
297099699129,1cyclictest0-21swapper/222:03:322
297099699129,1cyclictest0-21swapper/221:18:332
297099699129,1cyclictest0-21swapper/221:13:032
297099699129,1cyclictest0-21swapper/220:22:532
297099699129,1cyclictest0-21swapper/220:22:532
297099699129,1cyclictest0-21swapper/200:28:312
297099699129,1cyclictest0-21swapper/200:13:272
2970996991210,1cyclictest0-21swapper/223:18:322
2970996991210,1cyclictest0-21swapper/219:58:272
2970996991210,1cyclictest0-21swapper/200:33:322
2970996991210,1cyclictest0-21swapper/200:00:022
297099599129,2cyclictest3277192-21irqrtprio23:23:301
297099599129,2cyclictest3146036-21kthreadcore21:33:331
297099599129,2cyclictest3121468-21kthreadcore21:13:341
297099599129,2cyclictest2976188-21missed_timers19:13:341
297099599129,2cyclictest0-21swapper/121:38:341
297099599123,8cyclictest3355682-21head00:28:311
2970995991210,1cyclictest3106760-21head21:03:271
2649091122,2phc2sys0-21swapper/320:53:343
2649091121,2phc2sys0-21swapper/320:23:253
2649091121,2phc2sys0-21swapper/320:23:253
2649091121,2phc2sys0-21swapper/319:23:263
2649091120,3phc2sys0-21swapper/323:43:263
2649091120,2phc2sys0-21swapper/323:48:213
2649091120,2phc2sys0-21swapper/320:58:273
2649091120,2phc2sys0-21swapper/319:45:053
2649091120,2phc2sys0-21swapper/300:38:373
2649091120,1phc2sys0-21swapper/300:28:283
297099699119,1cyclictest0-21swapper/223:41:322
297099699119,1cyclictest0-21swapper/219:43:252
297099699119,1cyclictest0-21swapper/219:33:432
297099699118,1cyclictest0-21swapper/221:42:452
297099699118,1cyclictest0-21swapper/220:35:102
297099699118,1cyclictest0-21swapper/219:38:262
297099699111,5cyclictest0-21swapper/220:33:242
297099599118,2cyclictest134050irq/121-eno120:57:371
2649091111,4phc2sys0-21swapper/320:08:243
2649091111,2phc2sys0-21swapper/320:33:313
2649091111,1phc2sys0-21swapper/323:13:003
2649091110,5phc2sys0-21swapper/323:55:023
2649091110,2phc2sys0-21swapper/321:53:263
2649091110,2phc2sys0-21swapper/321:18:393
2649091110,2phc2sys0-21swapper/321:13:263
2649091110,2phc2sys0-21swapper/300:07:183
2649091110,1phc2sys0-21swapper/322:18:303
2649091110,1phc2sys0-21swapper/321:32:083
297099699108,1cyclictest0-21swapper/219:10:022
297099599105,4cyclictest1290-21dbus-daemon19:10:021
2649091102,5phc2sys3208752-21chrt22:24:303
2649091101,3phc2sys0-21swapper/319:14:563
2649091101,2phc2sys0-21swapper/322:15:023
2649091101,2phc2sys0-21swapper/320:18:363
2649091101,2phc2sys0-21swapper/320:03:293
2649091100,2phc2sys0-21swapper/323:58:243
2649091100,2phc2sys0-21swapper/322:59:563
2649091100,2phc2sys0-21swapper/322:48:323
2649091100,2phc2sys0-21swapper/321:43:283
2649091100,2phc2sys0-21swapper/320:48:333
2649091100,2phc2sys0-21swapper/300:33:273
2649091100,2phc2sys0-21swapper/300:05:013
2649091100,1phc2sys0-21swapper/323:33:233
2649091100,1phc2sys0-21swapper/323:33:233
2649091100,1phc2sys0-21swapper/321:56:353
2649091100,1phc2sys0-21swapper/321:48:573
2649091100,1phc2sys0-21swapper/319:57:123
2649091100,1phc2sys0-21swapper/319:37:093
2649091100,1phc2sys0-21swapper/319:25:263
2649091100,1phc2sys0-21swapper/300:16:033
2649091100,1phc2sys0-21swapper/300:10:423
264909191,3phc2sys0-21swapper/323:03:253
264909191,2phc2sys0-21swapper/321:08:293
264909191,1phc2sys0-21swapper/320:25:453
264909191,1phc2sys0-21swapper/319:33:283
264909190,3phc2sys0-21swapper/321:23:233
264909190,2phc2sys0-21swapper/323:40:013
264909190,2phc2sys0-21swapper/323:28:313
264909190,2phc2sys0-21swapper/323:18:373
264909190,2phc2sys0-21swapper/323:08:313
264909190,2phc2sys0-21swapper/322:44:563
264909190,2phc2sys0-21swapper/322:33:253
264909190,2phc2sys0-21swapper/322:09:563
264909190,2phc2sys0-21swapper/322:03:403
264909190,2phc2sys0-21swapper/321:38:313
264909190,2phc2sys0-21swapper/321:30:013
264909190,2phc2sys0-21swapper/320:13:113
264909190,1phc2sys0-21swapper/321:05:003
264909190,1phc2sys0-21swapper/300:23:253
264909181,2phc2sys0-21swapper/322:26:083
264909181,1phc2sys0-21swapper/322:53:253
264909180,2phc2sys0-21swapper/320:43:323
264909180,2phc2sys0-21swapper/320:38:283
264909180,2phc2sys0-21swapper/319:40:213
264909180,1phc2sys0-21swapper/323:23:223
264909180,1phc2sys0-21swapper/319:50:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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