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2025-06-16 - 15:22
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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 Jun 16, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34994752310,2sleep30-21swapper/319:45:003
34994752310,2sleep30-21swapper/319:45:003
3454897993121,5cyclictest17350irq/127-ahci[0000:00:17.0]21:50:000
345489799301,7cyclictest3812227-21kworker/u16:0+nfsiod00:23:590
3454897992915,1cyclictest178850irq/121-eno100:05:230
3454899992725,1cyclictest0-21swapper/223:55:022
3454898992716,6cyclictest0-21swapper/100:15:001
345489799279,8cyclictest3771196-21true22:45:010
3454897992717,9cyclictest3780752-21cpu22:50:240
3454897992714,5cyclictest3845491-21kthreadcore23:25:290
3454897992615,10cyclictest0-21swapper/022:15:010
3454897992518,2cyclictest3753465-21dump-pmu-power22:35:000
3454897992518,2cyclictest3461325-21/usr/sbin/munin19:15:020
3454897992514,6cyclictest3792332-21kthreadcore22:55:280
345489799250,3cyclictest3833100-21apt-get23:20:220
25010912518,3phc2sys0-21swapper/323:23:433
25010912517,3phc2sys0-21swapper/320:18:443
345489799245,9cyclictest3527775-21kthreadcore20:05:240
345489799243,4cyclictest3876297-21seq23:44:390
3454897992414,6cyclictest3895956-21irqrtprio23:55:250
3454897992414,5cyclictest3926034-21proc_pri00:10:300
3454897992411,6cyclictest3498788-21wc19:40:300
3454897992411,6cyclictest3498788-21wc19:40:290
3454897992410,6cyclictest3930307-21cat00:15:190
25010912418,2phc2sys0-21swapper/300:35:493
25010912417,3phc2sys0-21swapper/323:12:133
25010912417,2phc2sys0-21swapper/322:29:333
25010912417,2phc2sys0-21swapper/321:20:153
25010912417,2phc2sys0-21swapper/321:18:073
25010912417,2phc2sys0-21swapper/319:45:183
25010912417,2phc2sys0-21swapper/319:37:123
25010912417,2phc2sys0-21swapper/319:16:283
25010912417,2phc2sys0-21swapper/300:32:013
390986022318,3sleep30-21swapper/300:01:473
364751822318,3sleep30-21swapper/321:35:023
359234622317,3sleep30-21swapper/321:00:233
3454899992321,1cyclictest0-21swapper/222:15:022
3454898992320,2cyclictest3911861-21dump-pmu-power00:05:001
345489799232,5cyclictest3573431-21cstates20:45:240
3454897992316,6cyclictest0-21swapper/020:20:010
3454897992316,2cyclictest0-21swapper/000:40:010
3454897992313,6cyclictest3887739-21kthreadcore23:50:260
3454897992312,7cyclictest3703514-21kthreadcore22:05:230
3454897992310,6cyclictest3551891-21tr20:25:240
345489799230,1cyclictest0-21swapper/000:34:130
25010912317,3phc2sys0-21swapper/323:25:073
25010912317,3phc2sys0-21swapper/319:50:343
25010912317,3phc2sys0-21swapper/319:20:483
25010912317,2phc2sys0-21swapper/323:40:393
25010912317,2phc2sys0-21swapper/323:00:593
25010912317,2phc2sys0-21swapper/322:31:413
25010912317,2phc2sys0-21swapper/322:07:373
25010912317,2phc2sys0-21swapper/321:49:413
25010912317,2phc2sys0-21swapper/321:41:113
25010912317,2phc2sys0-21swapper/320:55:033
25010912317,2phc2sys0-21swapper/320:55:033
25010912317,2phc2sys0-21swapper/320:46:053
25010912317,2phc2sys0-21swapper/320:35:273
25010912317,2phc2sys0-21swapper/320:31:383
25010912317,2phc2sys0-21swapper/320:24:253
25010912317,2phc2sys0-21swapper/319:57:323
363137722218,2sleep30-21swapper/321:25:243
3454899992220,1cyclictest0-21swapper/200:00:002
345489899229,3cyclictest0-21swapper/123:15:001
3454898992219,2cyclictest3771446-21/usr/sbin/munin22:45:031
345489799222,3cyclictest3585334-21aten_repower_vo20:55:220
345489799222,3cyclictest3585334-21aten_repower_vo20:55:220
3454897992216,2cyclictest8799-21cron22:20:010
25010912218,2phc2sys0-21swapper/322:16:273
25010912217,3phc2sys0-21swapper/323:55:493
25010912217,3phc2sys0-21swapper/323:46:313
25010912217,3phc2sys0-21swapper/323:34:573
25010912217,3phc2sys0-21swapper/323:17:473
25010912217,3phc2sys0-21swapper/322:55:173
25010912217,3phc2sys0-21swapper/322:53:493
25010912217,3phc2sys0-21swapper/322:46:593
25010912217,3phc2sys0-21swapper/321:52:293
25010912217,3phc2sys0-21swapper/321:11:293
25010912217,3phc2sys0-21swapper/320:50:293
25010912217,3phc2sys0-21swapper/320:40:033
25010912217,3phc2sys0-21swapper/320:13:503
25010912217,3phc2sys0-21swapper/320:08:493
25010912217,3phc2sys0-21swapper/320:01:203
25010912217,3phc2sys0-21swapper/319:31:063
25010912217,3phc2sys0-21swapper/319:07:423
25010912217,3phc2sys0-21swapper/300:19:253
25010912217,2phc2sys0-21swapper/322:43:073
396373122117,2sleep20-21swapper/200:33:412
392810422117,2sleep20-21swapper/200:13:052
391504522117,2sleep20-21swapper/200:05:262
390334822117,2sleep20-21swapper/200:00:062
385690322117,2sleep20-21swapper/223:31:452
383911022117,2sleep20-21swapper/223:21:272
383035722117,2sleep20-21swapper/223:16:252
381525122117,2sleep20-21swapper/223:10:042
378654122117,2sleep20-21swapper/222:51:282
377872822117,2sleep20-21swapper/222:47:592
376885422117,2sleep20-21swapper/222:41:342
375230622117,2sleep20-21swapper/222:33:082
374246322117,2sleep20-21swapper/222:26:512
373399022117,2sleep20-21swapper/222:22:222
370683522117,2sleep20-21swapper/222:06:152
369996022117,2sleep20-21swapper/222:04:222
368915422117,2sleep20-21swapper/221:56:092
367427922117,2sleep20-21swapper/221:50:052
367174722117,2sleep20-21swapper/221:46:312
366237722117,2sleep20-21swapper/221:40:342
364783722117,2sleep20-21swapper/221:35:092
364781322117,2sleep30-21swapper/321:35:063
362884522117,2sleep20-21swapper/221:23:222
361135322117,2sleep20-21swapper/221:13:492
356774322117,2sleep20-21swapper/220:40:222
351138422117,2sleep20-21swapper/219:52:572
3454898992118,2cyclictest770595-21systemd-journal23:49:551
3454897992115,2cyclictest1-21systemd21:36:540
3454897992113,3cyclictest3773348-21kthreadcore22:45:240
25010912117,2phc2sys0-21swapper/323:37:513
25010912117,2phc2sys0-21swapper/323:07:293
25010912117,2phc2sys0-21swapper/322:39:013
25010912117,2phc2sys0-21swapper/322:24:413
25010912117,2phc2sys0-21swapper/322:10:313
25010912117,2phc2sys0-21swapper/322:01:453
25010912117,2phc2sys0-21swapper/321:56:193
25010912117,2phc2sys0-21swapper/319:10:163
25010912117,2phc2sys0-21swapper/300:25:093
394737122017,2sleep20-21swapper/200:25:062
372616722017,2sleep20-21swapper/222:18:532
360298622017,2sleep20-21swapper/221:05:552
359697622017,2sleep20-21swapper/221:01:472
358474222017,2sleep20-21swapper/220:54:052
357849322017,2sleep20-21swapper/220:46:152
356035322017,2sleep20-21swapper/220:31:452
354829922017,2sleep20-21swapper/220:22:272
354218622017,2sleep20-21swapper/220:19:582
353578222017,2sleep20-21swapper/220:10:332
352391622017,2sleep20-21swapper/220:03:352
351729422017,2sleep20-21swapper/219:55:502
349978022017,2sleep20-21swapper/219:45:082
349927522017,2sleep20-21swapper/219:42:352
349927522017,2sleep20-21swapper/219:42:352
348766022017,2sleep20-21swapper/219:35:142
348104822017,2sleep30-21swapper/319:27:023
348102222017,2sleep20-21swapper/219:26:412
347500522017,2sleep20-21swapper/219:22:282
346893122017,2sleep20-21swapper/219:17:272
346053922017,2sleep20-21swapper/219:10:582
345489999201,6cyclictest0-21swapper/223:00:012
3454898992011,2cyclictest3454895-21cyclictest23:20:271
345489799209,7cyclictest3661867-21grep21:40:270
345489799206,8cyclictest3481765-21aten2.4-expect19:30:180
3454897992013,6cyclictest3815413-21/usr/sbin/munin23:10:300
25010912017,2phc2sys0-21swapper/323:51:553
25010912017,2phc2sys0-21swapper/321:06:153
25010912017,2phc2sys0-21swapper/320:26:073
25010912017,2phc2sys0-21swapper/300:22:053
3454898991916,2cyclictest3735844-21kworker/u16:1-events_unbound22:40:021
3454898991916,2cyclictest3647682-21/usr/sbin/munin21:35:031
3454898991916,2cyclictest3621499-21acpi21:20:161
3454898991916,2cyclictest3597504-21systemd-run21:05:021
3454898991913,5cyclictest3811382-21cat23:05:261
345489799199,6cyclictest3858943-21cron23:39:550
345489799198,7cyclictest3608722-21ssh21:10:270
345489799197,8cyclictest3824612-21cpuspeed_turbos23:15:200
345489799197,8cyclictest3630890-21cat21:25:200
345489799197,6cyclictest3947618-21aten2.4-expect00:25:210
3454897991916,2cyclictest3851829-21sed23:30:260
3454897991915,3cyclictest3879901-21kthreadcore23:45:280
3454897991915,3cyclictest3738957-21kthreadcore22:25:240
3454897991912,1cyclictest3645241-21ssh21:31:280
3454899991816,1cyclictest0-21swapper/223:40:252
3454898991816,1cyclictest0-21swapper/120:40:031
3454898991815,2cyclictest3493429-21sendmail19:40:001
3454898991812,4cyclictest3634409-21kthreadcore21:25:251
3454898991812,2cyclictest178850irq/121-eno123:35:021
345489799188,6cyclictest3732134-21memory22:20:260
345489799187,7cyclictest3684000-21gltestperf21:55:190
345489799187,5cyclictest3616382-21grep21:15:240
345489799187,4cyclictest3625605-21kthreadcore21:20:240
3454897991815,2cyclictest3906423-21kthreadcore00:00:280
3454897991815,2cyclictest3863153-21avahi-daemon21:55:000
3454897991815,2cyclictest3807400-21grep23:05:220
3454897991815,2cyclictest3514675-21kthreadcore19:55:240
3454897991815,2cyclictest3511551-21sh19:55:000
3454897991815,2cyclictest3502572-21kthreadcore19:45:260
3454897991814,3cyclictest3592811-21kthreadcore21:00:240
3454897991814,3cyclictest3580442-21kthreadcore20:50:240
3454897991814,3cyclictest3563730-21kthreadcore20:35:260
3454899991714,1cyclictest0-21swapper/223:35:272
3454899991714,1cyclictest0-21swapper/221:35:012
345489899178,2cyclictest178850irq/121-eno122:33:561
3454898991714,2cyclictest3744438-21latency_hist22:30:001
3454898991714,2cyclictest3523268-21mailstats20:00:271
3454898991714,2cyclictest1707-21polkitd20:10:021
3454898991714,2cyclictest1695-21dbus-daemon20:55:011
3454898991714,2cyclictest0-21swapper/100:00:011
345489899171,3cyclictest3779995-21latency_hist22:50:021
3454898991713,3cyclictest3661935-21mailstats21:40:281
345489799178,5cyclictest3799642-21kthreadcore23:00:250
345489799177,6cyclictest3694850-21cut22:00:250
345489799177,5cyclictest3487756-21aten2.4-expect19:35:170
345489799174,3cyclictest1731-21in:imuxsock21:10:000
3454897991713,3cyclictest3568338-21kthreadcore20:40:240
3454897991713,3cyclictest3557673-21kthreadcore20:30:240
3454897991713,3cyclictest3533209-21kthreadcore20:10:230
3454897991713,3cyclictest3519605-21kthreadcore20:00:230
3454897991711,2cyclictest171ktimers/019:25:180
25010911712,2phc2sys0-21swapper/300:10:263
3454899991614,1cyclictest0-21swapper/200:40:002
3454899991614,1cyclictest0-21swapper/200:20:012
345489999160,13cyclictest38049122sleep223:02:552
345489899167,2cyclictest178850irq/121-eno121:10:451
345489899167,1cyclictest178850irq/121-eno122:22:521
345489899163,5cyclictest3487636-21cat19:35:021
345489899162,5cyclictest3711466-21kthreadcore22:10:261
345489899161,8cyclictest3500598-21basename19:45:221
345489899161,7cyclictest3697215-21plymouth22:00:301
345489899161,7cyclictest3554566-21latency_hist20:30:011
345489899161,7cyclictest3481295-21latency_hist19:30:011
3454898991614,1cyclictest3797447-21cron23:00:001
3454898991613,2cyclictest3864694-21sensors_temp23:35:341
3454898991613,2cyclictest3603315-21diskmemload00:23:481
3454898991613,2cyclictest3571985-21mailstats20:40:291
3454898991613,2cyclictest3462105-21kthreadcore19:15:031
3454898991613,2cyclictest3454895-21cyclictest23:05:031
3454898991613,2cyclictest2240602-1atopacctd21:15:231
3454898991613,2cyclictest0-21swapper/122:10:011
3454898991610,2cyclictest178850irq/121-eno121:09:411
345489799167,5cyclictest0-21swapper/022:35:180
3454897991613,2cyclictest3548516-21latency_hist20:25:000
3454897991613,2cyclictest3464730-21kthreadcore19:15:220
3454897991612,3cyclictest3470484-21irqcore19:20:210
3454899991513,1cyclictest0-21swapper/223:26:192
3454899991513,1cyclictest0-21swapper/222:35:052
3454899991512,1cyclictest0-21swapper/221:29:112
3454899991512,1cyclictest0-21swapper/221:00:012
3454899991512,1cyclictest0-21swapper/221:00:012
3454899991512,1cyclictest0-21swapper/220:30:002
3454899991512,1cyclictest0-21swapper/200:20:322
3454899991511,2cyclictest0-21swapper/223:46:332
345489899158,2cyclictest178850irq/121-eno100:30:501
345489899157,2cyclictest178850irq/121-eno100:25:431
345489899156,2cyclictest178850irq/121-eno123:15:331
345489899153,4cyclictest3499593-21cat19:45:021
345489899153,4cyclictest3499593-21cat19:45:011
345489899151,6cyclictest3920511-21latency_hist00:10:011
345489899151,6cyclictest3656331-21latency_hist21:40:011
3454898991513,2cyclictest351ktimers/121:54:151
3454898991512,2cyclictest3841858-21/usr/sbin/munin23:25:251
3454898991512,2cyclictest3670558-21pmu-power21:45:261
3454898991512,2cyclictest3543773-21grep20:20:211
3454898991512,2cyclictest3469127-21dump-pmu-power19:19:551
3454898991512,2cyclictest2240602-1atopacctd20:15:201
3454898991512,2cyclictest1726-21systemd-logind20:15:011
3454898991512,2cyclictest1726-21systemd-logind19:10:021
3454898991512,2cyclictest1726-21systemd-logind00:20:011
3454898991511,3cyclictest3512063-21aten2.4-expect19:55:171
345489899150,6cyclictest3723260-21cat22:15:211
345489999142,6cyclictest0-21swapper/220:05:172
3454899991412,1cyclictest0-21swapper/221:20:012
3454899991411,1cyclictest0-21swapper/223:10:002
3454899991411,1cyclictest0-21swapper/219:30:272
345489899149,3cyclictest3870209-21kthreadcore23:40:271
345489899148,2cyclictest178850irq/121-eno122:53:341
345489899146,1cyclictest178850irq/121-eno121:56:541
3454898991412,2cyclictest3523675-21kworker/u16:0+events_freezable_pwr_efficient20:34:161
3454898991412,2cyclictest3448837-21kworker/u16:1+events_freezable_pwr_efficient19:50:201
3454898991411,2cyclictest3965674-21fschecks_count00:35:241
3454898991411,2cyclictest3454895-21cyclictest23:50:291
3454898991410,3cyclictest3586479-21kthreadcore20:55:291
3454898991410,3cyclictest3586479-21kthreadcore20:55:281
3454898991410,2cyclictest0-21swapper/119:25:031
3454899991310,1cyclictest0-21swapper/220:35:232
3454898991310,2cyclictest3573117-21aten_repower_en20:45:231
345489799134,7cyclictest3454949-21grep19:10:010
345489999129,1cyclictest0-21swapper/219:10:012
250109180,2phc2sys0-21swapper/300:05:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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