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2025-12-17 - 11:19
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Wed Dec 17, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271466822020,2sleep30-21swapper/321:03:403
2575127992615,6cyclictest0-21swapper/020:20:000
2575128992118,2cyclictest2637660-21apt-key20:00:011
2575129992017,1cyclictest0-21swapper/200:05:002
2575127992017,2cyclictest28938-21cron19:40:000
2649091190,1phc2sys0-21swapper/321:58:353
2575129991917,1cyclictest0-21swapper/220:00:012
2575128991916,2cyclictest1-21systemd19:15:021
2575127991917,1cyclictest2637883-21/usr/sbin/munin20:00:010
2575127991916,2cyclictest1288-1atopacctd00:05:010
27915022180,2sleep30-21swapper/322:08:403
2575128991815,2cyclictest2661992-21sort20:20:001
2649091170,1phc2sys0-21swapper/320:43:463
2575129991714,1cyclictest0-21swapper/222:55:012
2575129991714,1cyclictest0-21swapper/200:25:012
2575128991714,2cyclictest2843056-21turbostat22:50:001
2575128991714,2cyclictest2722125-21munin-run21:10:001
2575128991711,2cyclictest2902298rtkit-daemon22:21:451
2575128991711,2cyclictest134050irq/121-eno123:20:011
2575127991715,1cyclictest2849442-21latency_hist22:55:010
2575127991714,2cyclictest2837918-21tr22:48:330
2575127991714,2cyclictest2830962-21apt-key22:40:000
2575127991714,2cyclictest2674103-21cut20:30:010
2575127991714,1cyclictest2777121-21apt-get21:58:320
2575127991712,3cyclictest2789118-21sshd22:08:280
257512799170,9cyclictest2651361-21grep20:13:390
2575129991614,1cyclictest0-21swapper/223:55:012
2575129991614,1cyclictest0-21swapper/222:40:012
2575129991614,1cyclictest0-21swapper/222:20:022
2575129991613,1cyclictest0-21swapper/223:58:352
2575129991613,1cyclictest0-21swapper/223:50:002
2575129991613,1cyclictest0-21swapper/220:58:432
2575129991613,1cyclictest0-21swapper/200:13:372
2575128991613,2cyclictest2933676-21apt-get00:05:001
2575128991613,2cyclictest2619100-21mailstats19:43:431
2575128991613,2cyclictest2575125-21cyclictest19:23:391
2575128991613,2cyclictest1288-1atopacctd23:48:371
2575128991613,2cyclictest1-21systemd22:00:021
2575128991612,3cyclictest2958906-21cstates00:28:341
257512799169,6cyclictest0-21swapper/020:38:340
2575127991613,2cyclictest2897479-21latency_hist23:35:000
2575127991613,2cyclictest2765680-21fschecks_time21:48:350
2575127991613,2cyclictest2625617-21systemd-run19:50:010
2575127991613,2cyclictest1290-21dbus-daemon19:45:010
2575127991613,2cyclictest0-21swapper/023:50:010
2575127991613,2cyclictest0-21swapper/019:25:010
2649091154,2phc2sys0-21swapper/321:43:323
2649091150,2phc2sys0-21swapper/322:38:353
2649091150,1phc2sys0-21swapper/319:45:033
2575129991513,1cyclictest0-21swapper/222:58:392
2575129991513,1cyclictest0-21swapper/221:50:012
2575129991513,1cyclictest0-21swapper/220:25:012
2575129991513,1cyclictest0-21swapper/219:28:422
2575129991513,0cyclictest0-21swapper/220:55:012
2575129991512,1cyclictest0-21swapper/223:38:312
2575129991512,1cyclictest0-21swapper/222:23:402
2575129991512,1cyclictest0-21swapper/221:03:392
2575129991512,1cyclictest0-21swapper/220:28:372
2575129991512,1cyclictest0-21swapper/219:24:282
2575129991512,1cyclictest0-21swapper/219:13:392
2575129991512,1cyclictest0-21swapper/200:28:392
2575129991512,1cyclictest0-21swapper/200:18:352
2575128991512,2cyclictest2921094-21switchtime23:53:421
2575128991512,2cyclictest2903773-21systemd-run23:40:021
2575128991512,2cyclictest2826070-21head22:38:361
2575128991512,2cyclictest2818708-21idleruntime-cro22:30:011
2575128991512,2cyclictest2795779-21fschecks_count22:13:341
2575128991512,2cyclictest2783137-21/usr/sbin/munin22:03:391
2575128991512,2cyclictest2712882-21kthreadcore21:03:391
2575128991512,2cyclictest0-21swapper/100:00:011
2575128991511,3cyclictest2880387-21cstates23:23:331
2575128991511,3cyclictest2669866-21kthreadcore20:28:381
257512799157,4cyclictest2575125-21cyclictest21:13:340
257512799155,4cyclictest2934464-21sshd00:08:280
2575127991513,1cyclictest29021-21rtkit-daemon00:33:420
2575127991513,1cyclictest2575125-21cyclictest00:15:010
2575127991512,2cyclictest2921017-21mailstats23:53:410
2575127991512,2cyclictest1326-21systemd-logind23:45:020
2575127991512,2cyclictest1326-21systemd-logind20:25:020
2575127991512,2cyclictest1290-21dbus-daemon21:10:000
2575127991512,2cyclictest0-21swapper/023:23:340
2575127991512,2cyclictest0-21swapper/021:30:010
2575127991511,1cyclictest0-21swapper/022:30:020
257512799150,13cyclictest2740181-21sh21:25:000
257512999141,8cyclictest0-21swapper/221:20:012
257512999141,6cyclictest0-21swapper/220:20:012
2575129991412,1cyclictest0-21swapper/223:15:022
2575129991412,1cyclictest0-21swapper/221:58:392
2575129991412,1cyclictest0-21swapper/221:55:012
2575129991412,1cyclictest0-21swapper/200:33:402
257512999141,1cyclictest0-21swapper/221:38:332
2575129991411,1cyclictest0-21swapper/223:30:002
2575129991411,1cyclictest0-21swapper/222:43:312
2575129991411,1cyclictest0-21swapper/222:05:012
2575129991411,1cyclictest0-21swapper/221:13:402
2575129991411,1cyclictest0-21swapper/220:43:372
2575129991411,1cyclictest0-21swapper/220:33:392
2575129991411,1cyclictest0-21swapper/220:08:362
2575129991411,1cyclictest0-21swapper/219:53:392
2575129991411,1cyclictest0-21swapper/219:48:402
2575129991411,1cyclictest0-21swapper/200:38:392
257512899148,4cyclictest2589645-21munin-run19:20:021
257512899147,5cyclictest257-21systemd-journal23:34:421
257512899147,5cyclictest257-21systemd-journal23:05:001
2575128991412,1cyclictest0-21swapper/119:10:011
2575128991411,2cyclictest2947473-21irqcore00:18:351
2575128991411,2cyclictest2905142-21irqcore23:43:371
2575128991411,2cyclictest2886275-21cpuspeed_turbos23:28:331
2575128991411,2cyclictest2862726-21idleruntime23:08:361
2575128991411,2cyclictest2820508-21irqrtprio22:33:371
2575128991411,2cyclictest2765051-21/usr/sbin/munin21:48:411
2575128991411,2cyclictest2748070-21irqcore21:33:381
2575128991411,2cyclictest2744788-21kthreadcore21:28:401
2575128991411,2cyclictest2705888-21irqrtprio20:58:381
2575128991411,2cyclictest2687230-21fschecks_time20:43:381
2575128991411,2cyclictest2677012-21kthreadcore20:33:381
2575128991411,2cyclictest2630704-21latency19:53:401
2575128991411,2cyclictest2608045-21sshd19:38:281
2575128991411,2cyclictest2575125-21cyclictest22:20:011
2575128991411,2cyclictest2575125-21cyclictest20:08:341
2575128991411,2cyclictest1288-1atopacctd22:51:281
2575128991411,2cyclictest0-21swapper/100:37:411
2575128991410,3cyclictest2774350-21kthreadcore21:53:401
2575128991410,3cyclictest2702042-21kthreadcore20:53:401
2575128991410,3cyclictest2602795-21gltestperf19:33:351
2575128991410,3cyclictest1288-1atopacctd19:28:471
257512799149,1cyclictest0-21swapper/021:53:390
257512799147,5cyclictest2733005-21tr21:18:390
257512799145,5cyclictest0-21swapper/022:40:150
2575127991411,2cyclictest2949221-21kthreadcore00:18:360
2575127991411,2cyclictest2886082-21tail23:28:320
2575127991411,2cyclictest2803924-21kthreadcore22:18:380
2575127991411,2cyclictest2715219-21latency21:03:400
2575127991411,2cyclictest2628908-21kthreadcore19:53:390
2575127991411,2cyclictest2589485-21latency_hist19:20:010
2575127991411,2cyclictest2575125-21cyclictest00:28:440
2575127991411,2cyclictest2575125-21cyclictest00:23:390
2575127991411,2cyclictest1290-21dbus-daemon23:00:020
2575127991411,2cyclictest1288-1atopacctd20:58:350
2575127991410,2cyclictest0-21swapper/019:30:010
2649091131,2phc2sys0-21swapper/320:06:233
257512999137,3cyclictest2739660-21chrt21:23:432
257512999131,6cyclictest0-21swapper/220:40:012
2575129991311,1cyclictest0-21swapper/223:45:012
2575129991311,1cyclictest0-21swapper/223:35:002
2575129991311,1cyclictest0-21swapper/222:48:422
2575129991311,1cyclictest0-21swapper/221:30:022
2575129991310,1cyclictest0-21swapper/223:08:332
2575129991310,1cyclictest0-21swapper/221:43:402
2575129991310,1cyclictest0-21swapper/221:28:382
2575129991310,1cyclictest0-21swapper/220:48:352
2575129991310,1cyclictest0-21swapper/220:13:372
2575129991310,1cyclictest0-21swapper/220:03:372
2575129991310,1cyclictest0-21swapper/219:33:342
257512899139,3cyclictest2872719-21pmu-power23:13:411
257512899139,3cyclictest2723820-21irqrtprio21:13:391
257512899134,4cyclictest2789299-21aten_repower_vo22:08:341
2575128991311,1cyclictest2575125-21cyclictest21:43:421
2575128991310,2cyclictest2938958-21kthreadcore00:08:391
2575128991310,2cyclictest2853664-21kthreadcore22:58:391
2575128991310,2cyclictest2834275-21kthreadcore22:43:381
2575128991310,2cyclictest2738661-21kthreadcore21:23:391
2575128991310,2cyclictest2733737-21threads21:18:431
2575128991310,2cyclictest2681615-21irqcore20:38:361
2575128991310,2cyclictest2664361-21kthreadcore20:23:391
2575128991310,2cyclictest2640620-21kthreadcore20:03:371
2575128991310,2cyclictest2622038-21kthreadcore19:48:401
2575128991310,2cyclictest1329-21rs:main1
257512799135,2cyclictest0-21swapper/021:43:330
257512799134,5cyclictest0-21swapper/022:12:420
257512799134,5cyclictest0-21swapper/020:33:390
257512799132,6cyclictest2692046-21perf20:45:010
257512799132,6cyclictest0-21swapper/023:03:380
257512799131,7cyclictest0-21swapper/021:33:400
257512799131,3cyclictest2783169-21apt-get22:03:320
2575127991310,2cyclictest2923214-21irqrtprio23:58:370
2575127991310,2cyclictest2901856-21kthreadcore23:38:390
2575127991310,2cyclictest2866806-21ptp4l23:08:420
2575127991310,2cyclictest2823269-21kthreadcore22:33:390
2575127991310,2cyclictest2808541-21kthreadcore22:23:390
2575127991310,2cyclictest2754907-21kthreadcore21:38:390
2575127991310,2cyclictest2697098-21kthreadcore20:48:380
2575127991310,2cyclictest2602672-21fschecks_time19:33:340
2575127991310,2cyclictest1-21systemd19:15:020
2649091129,1phc2sys0-21swapper/322:33:403
2649091121,2phc2sys0-21swapper/323:23:393
2649091120,2phc2sys0-21swapper/320:58:323
257512999129,1cyclictest0-21swapper/223:03:382
257512999129,1cyclictest0-21swapper/222:32:092
257512999129,1cyclictest0-21swapper/222:08:362
257512999123,1cyclictest0-21swapper/200:08:342
2575129991210,1cyclictest0-21swapper/223:23:332
2575129991210,1cyclictest0-21swapper/221:08:302
2575129991210,1cyclictest0-21swapper/219:38:422
257512899129,2cyclictest2956265-21kthreadcore00:23:401
257512899129,2cyclictest2945365-21ptp4l-jitter00:13:421
257512899129,2cyclictest2693446-21if_enp1s0.820:48:351
257512899128,3cyclictest0-21swapper/121:40:011
257512799129,2cyclictest1327-21in:imuxsock00:37:410
257512799126,5cyclictest2641648-21tr20:03:370
2575127991210,1cyclictest2874140-21head23:18:330
2575127991210,1cyclictest2645769-21kthreadcore20:08:380
257512799120,7cyclictest2698599-21/usr/sbin/munin20:53:440
2649091111,2phc2sys0-21swapper/300:33:323
2649091110,1phc2sys0-21swapper/323:08:093
257512999119,1cyclictest0-21swapper/222:28:392
257512999119,1cyclictest0-21swapper/219:15:042
257512999118,1cyclictest0-21swapper/222:13:432
257512999118,1cyclictest0-21swapper/219:40:262
257512999111,6cyclictest0-21swapper/223:20:012
257512999111,4cyclictest0-21swapper/219:10:012
257512899115,5cyclictest2652887-21kthreadcore20:13:401
257512799114,2cyclictest2868506-21df_inode23:13:340
257512799112,4cyclictest2575157-21cat19:10:010
2649091104,1phc2sys0-21swapper/321:26:373
2649091101,2phc2sys0-21swapper/321:47:293
2649091101,2phc2sys0-21swapper/319:15:023
2649091101,1phc2sys0-21swapper/323:15:023
2649091100,2phc2sys0-21swapper/323:58:343
2649091100,2phc2sys0-21swapper/323:47:363
2649091100,2phc2sys0-21swapper/322:30:023
2649091100,2phc2sys0-21swapper/320:28:103
2649091100,2phc2sys0-21swapper/320:18:333
2649091100,2phc2sys0-21swapper/300:18:373
2649091100,1phc2sys0-21swapper/323:34:413
2649091100,1phc2sys0-21swapper/323:29:083
2649091100,1phc2sys0-21swapper/322:41:243
2649091100,1phc2sys0-21swapper/321:16:483
2649091100,1phc2sys0-21swapper/320:54:323
2649091100,1phc2sys0-21swapper/319:54:173
2649091100,1phc2sys0-21swapper/300:14:443
264909191,3phc2sys0-21swapper/322:15:003
264909191,3phc2sys0-21swapper/319:10:013
264909191,2phc2sys0-21swapper/323:40:023
264909191,2phc2sys0-21swapper/323:18:343
264909191,2phc2sys0-21swapper/322:58:393
264909191,2phc2sys0-21swapper/321:23:413
264909190,3phc2sys0-21swapper/300:30:023
264909190,2phc2sys0-21swapper/323:03:323
264909190,2phc2sys0-21swapper/322:53:343
264909190,2phc2sys0-21swapper/321:38:323
264909190,2phc2sys0-21swapper/320:33:323
264909190,2phc2sys0-21swapper/320:23:343
264909190,2phc2sys0-21swapper/320:00:023
264909190,2phc2sys0-21swapper/319:44:563
264909190,2phc2sys0-21swapper/300:23:343
264909190,1phc2sys0-21swapper/322:23:333
264909190,1phc2sys0-21swapper/321:12:193
264909190,1phc2sys0-21swapper/320:13:403
264909190,1phc2sys0-21swapper/319:31:253
264909190,1phc2sys0-21swapper/300:08:313
264909181,3phc2sys0-21swapper/322:00:263
264909181,2phc2sys0-21swapper/322:18:163
264909181,2phc2sys0-21swapper/320:48:303
264909181,2phc2sys0-21swapper/320:35:043
264909181,2phc2sys0-21swapper/320:00:303
264909181,2phc2sys0-21swapper/300:35:043
264909181,2phc2sys0-21swapper/300:02:423
264909180,2phc2sys0-21swapper/323:53:333
264909180,2phc2sys0-21swapper/323:43:433
264909180,2phc2sys0-21swapper/321:33:353
264909180,2phc2sys0-21swapper/319:38:343
264909180,2phc2sys0-21swapper/319:23:563
264909180,2phc2sys0-21swapper/319:16:463
264909180,1phc2sys0-21swapper/322:48:253
264909180,1phc2sys0-21swapper/321:54:063
264909180,1phc2sys0-21swapper/321:08:303
264909180,1phc2sys0-21swapper/319:28:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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