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2025-11-23 - 10:08
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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 Sun Nov 23, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380703522000,2sleep30-21swapper/300:35:273
3301120992314,5cyclictest3741691-21kthreadcore23:55:350
3301122992218,2cyclictest0-21swapper/221:00:012
3301121992214,3cyclictest3450304-21/usr/sbin/munin21:10:311
3301120992118,2cyclictest1635-21dbus-daemon19:15:010
3301120992115,5cyclictest2009-21runrttasks23:34:480
3301120992111,5cyclictest0-21swapper/022:15:010
835298200,7rtkit-daemon1652-1atopacctd21:38:290
3301122992017,1cyclictest0-21swapper/200:35:422
3301121992017,2cyclictest1635-21dbus-daemon23:25:011
3301121992013,3cyclictest2009-21runrttasks00:24:421
3301120992016,2cyclictest0-21swapper/000:20:020
3301120992011,5cyclictest3736796-21latency_hist23:55:010
3301120992010,2cyclictest0-21swapper/023:10:380
835298190,2rtkit-daemon8351-21rtkit-daemon21:36:411
3301122991916,1cyclictest0-21swapper/220:35:012
3301122991915,1cyclictest0-21swapper/221:05:002
3301121991916,2cyclictest3301118-21cyclictest20:45:001
3301121991915,3cyclictest3765648-21kthreadcore00:10:321
3301121991912,3cyclictest3628696-21kthreadcore22:50:351
3301121991912,3cyclictest3628696-21kthreadcore22:50:351
330112199190,19cyclictest0-21swapper/123:44:591
330112099199,5cyclictest0-21swapper/000:30:010
330112099194,9cyclictest3313671-21cut19:15:320
3301120991916,2cyclictest1700-21systemd-logind23:00:010
330112099191,5cyclictest1635-21dbus-daemon22:20:010
3301120991911,4cyclictest3514854-21kthreadcore21:45:340
3301122991816,1cyclictest0-21swapper/220:10:012
3301122991815,1cyclictest0-21swapper/222:50:002
3301121991815,2cyclictest3562890-21apt-key22:15:011
3301121991815,2cyclictest1652-1atopacctd21:25:271
3301121991815,2cyclictest1635-21dbus-daemon23:50:011
3301121991814,3cyclictest3780037-21latency_hist00:20:001
3301121991814,3cyclictest3336885-21kthreadcore19:35:401
3301121991812,2cyclictest170550irq/121-eno123:55:311
3301120991815,2cyclictest3459136-21cut21:15:270
3301120991815,2cyclictest260-21systemd-journal20:45:000
3301120991815,2cyclictest1661-21polkitd20:20:000
3301120991810,4cyclictest3541974-21missed_timers22:00:340
302487291180,2phc2sys0-21swapper/323:03:313
302487291180,2phc2sys0-21swapper/322:20:143
3301122991715,1cyclictest0-21swapper/200:00:032
3301122991714,1cyclictest0-21swapper/222:10:002
3301122991714,1cyclictest0-21swapper/219:45:012
330112199177,6cyclictest36-21ksoftirqd/100:40:001
330112199174,8cyclictest3762617-21latency_hist00:10:021
3301121991715,1cyclictest8351-21rtkit-daemon22:01:381
3301121991714,2cyclictest3797617-21/usr/sbin/munin00:30:011
3301121991714,2cyclictest3710838-21systemd-run23:40:011
3301121991714,2cyclictest3379840-21kthreadcore20:10:331
3301121991714,2cyclictest1700-21systemd-logind22:35:011
3301121991714,2cyclictest1700-21systemd-logind22:10:001
3301121991713,3cyclictest3603204-21mailstats22:35:381
3301121991713,3cyclictest1702-21in:imuxsock23:00:001
330112099179,4cyclictest3520565-21gltestperf21:50:290
3301120991715,1cyclictest3806151-21latency_hist00:35:000
3301120991714,2cyclictest3755142-21df00:05:260
3301120991714,2cyclictest1652-1atopacctd19:30:330
3301120991714,2cyclictest1-21systemd21:15:010
3301120991710,6cyclictest3469226-21kthreadcore21:20:320
3301120991710,2cyclictest3644077-21kthreadcore23:00:310
330112099170,12cyclictest3402623-21kthreadcore20:30:310
302487291171,3phc2sys0-21swapper/320:30:023
302487291170,2phc2sys0-21swapper/322:50:093
302487291170,2phc2sys0-21swapper/322:50:093
302487291170,2phc2sys0-21swapper/322:00:173
3301122991614,1cyclictest0-21swapper/221:40:022
3301122991613,1cyclictest0-21swapper/223:55:002
3301122991613,1cyclictest0-21swapper/220:25:002
3301122991613,1cyclictest0-21swapper/200:25:322
3301122991613,1cyclictest0-21swapper/200:20:352
3301122991613,1cyclictest0-21swapper/200:15:302
3301122991612,2cyclictest0-21swapper/223:30:022
330112199167,4cyclictest0-21swapper/123:35:011
3301121991614,1cyclictest3642362-21fschecks_time23:00:271
3301121991613,2cyclictest3693520-21sh23:30:021
3301121991613,2cyclictest3670966-21kthreadcore23:15:331
3301121991613,2cyclictest3431079-21cut20:55:011
3301121991613,2cyclictest3307567-21kthreadcore19:15:011
3301121991613,2cyclictest1700-21systemd-logind22:25:011
3301121991613,2cyclictest1700-21systemd-logind19:35:011
3301121991613,2cyclictest0-21swapper/119:20:011
3301121991612,3cyclictest3653669-21kthreadcore23:05:311
3301121991612,3cyclictest3370517-21kworker/u16:2+nfsiod21:50:521
3301121991611,4cyclictest3400323-21sshd20:26:021
330112099168,7cyclictest0-21swapper/023:25:250
330112099168,4cyclictest3702487-21/usr/sbin/munin23:35:300
3301120991614,1cyclictest3588833-21cron22:30:000
3301120991613,2cyclictest3606187-21perf22:40:010
3301120991613,2cyclictest3597531-21perf22:35:000
3301120991613,2cyclictest3301118-21cyclictest20:45:300
302487291160,6phc2sys0-21swapper/323:15:253
302487291160,4phc2sys0-21swapper/321:52:563
302487291160,2phc2sys0-21swapper/323:54:483
302487291160,2phc2sys0-21swapper/322:47:003
302487291160,2phc2sys0-21swapper/322:14:533
302487291160,2phc2sys0-21swapper/321:37:553
302487291160,2phc2sys0-21swapper/300:33:563
330112299151,6cyclictest0-21swapper/222:00:012
330112299151,4cyclictest0-21swapper/221:10:012
3301122991513,1cyclictest0-21swapper/222:05:022
3301122991513,1cyclictest0-21swapper/200:30:332
3301122991512,1cyclictest0-21swapper/223:30:322
3301122991512,1cyclictest0-21swapper/223:15:002
3301122991512,1cyclictest0-21swapper/222:53:072
3301122991512,1cyclictest0-21swapper/222:53:072
3301122991512,1cyclictest0-21swapper/222:25:332
3301122991512,1cyclictest0-21swapper/222:10:302
3301122991512,1cyclictest0-21swapper/221:45:302
3301122991512,1cyclictest0-21swapper/221:15:372
3301122991512,1cyclictest0-21swapper/220:40:332
3301122991512,1cyclictest0-21swapper/219:50:322
3301122991512,1cyclictest0-21swapper/200:15:002
3301122991512,1cyclictest0-21swapper/200:05:482
3301121991512,2cyclictest351ktimers/121:40:051
3301121991512,2cyclictest3519538-21latency_hist21:50:021
3301121991512,2cyclictest3470474-21kthreadcore21:20:331
3301121991512,2cyclictest3437333-21apt-key21:00:011
3301121991512,2cyclictest1635-21dbus-daemon19:10:001
3301121991511,3cyclictest3803818-21kworker/u16:1+nfsiod00:32:101
3301121991511,3cyclictest3488958-21kthreadcore21:30:311
3301121991511,3cyclictest3409537-21kthreadcore20:35:331
3301121991511,3cyclictest3360388-21kthreadcore19:55:341
330112199150,9cyclictest3623766-21apt-config22:50:001
330112099158,1cyclictest0-21swapper/022:20:270
330112099158,1cyclictest0-21swapper/000:35:320
330112099156,7cyclictest3715067-21tr23:40:320
330112099156,1cyclictest0-21swapper/000:10:370
330112099151,5cyclictest3509294-21sshd21:42:530
3301120991512,2cyclictest3746117-21aten2.4-expect00:00:280
3301120991512,2cyclictest3627211-21kthreadcore22:50:350
3301120991512,2cyclictest3627211-21kthreadcore22:50:350
3301120991512,2cyclictest3546166-21cpuspeed_turbos22:05:260
3301120991512,2cyclictest3376331-21perf20:10:000
3301120991512,2cyclictest3351296-21mailstats19:45:360
3301120991512,2cyclictest1635-21dbus-daemon21:35:000
3301120991512,2cyclictest0-21swapper/021:00:000
3301120991511,2cyclictest3321771-21systemd-run19:25:010
302487291154,2phc2sys0-21swapper/323:10:363
302487291151,4phc2sys0-21swapper/322:19:403
302487291150,2phc2sys0-21swapper/322:08:583
302487291150,2phc2sys0-21swapper/321:49:573
3301122991412,1cyclictest0-21swapper/220:30:022
3301122991412,1cyclictest0-21swapper/219:10:332
3301122991411,1cyclictest0-21swapper/223:20:322
3301122991411,1cyclictest0-21swapper/223:15:272
3301122991411,1cyclictest0-21swapper/223:10:022
3301122991411,1cyclictest0-21swapper/223:00:322
3301122991411,1cyclictest0-21swapper/222:35:352
3301122991411,1cyclictest0-21swapper/222:30:282
3301122991411,1cyclictest0-21swapper/222:22:342
3301122991411,1cyclictest0-21swapper/221:30:232
3301122991411,1cyclictest0-21swapper/221:20:492
3301122991411,1cyclictest0-21swapper/221:10:312
3301122991411,1cyclictest0-21swapper/220:10:292
3301122991411,1cyclictest0-21swapper/220:00:302
3301122991411,1cyclictest0-21swapper/219:55:352
3301122991411,1cyclictest0-21swapper/219:30:332
330112299140,12cyclictest0-21swapper/223:45:322
330112199148,4cyclictest170550irq/121-eno122:16:321
330112199141,4cyclictest3424936-21munin-run20:50:001
3301121991411,2cyclictest3661860-21kthreadcore23:10:321
3301121991411,2cyclictest3585715-21proc_pri22:25:351
3301121991411,2cyclictest3385265-21kthreadcore20:15:341
3301121991411,2cyclictest3373451-21kthreadcore20:05:331
3301121991411,2cyclictest3352620-21cpuspeed_turbos19:50:261
3301121991411,2cyclictest0-21swapper/121:10:021
3301121991410,3cyclictest3748817-21kthreadcore00:00:351
3301121991410,3cyclictest3667361-21kworker/u16:2+nfsiod23:54:161
3301121991410,3cyclictest3532424-21kthreadcore21:55:341
3301121991410,3cyclictest3441015-21kthreadcore21:00:321
3301121991410,3cyclictest3431027-21kworker/u16:0+nfsiod21:19:501
3301121991410,3cyclictest3365163-21fschecks_time20:00:301
330112099148,5cyclictest3431027-21kworker/u16:0-rpciod21:26:320
330112099146,1cyclictest0-21swapper/023:15:330
330112099145,5cyclictest0-21swapper/021:03:070
330112099145,5cyclictest0-21swapper/020:29:210
330112099145,5cyclictest0-21swapper/019:42:040
330112099144,4cyclictest0-21swapper/019:35:250
330112099144,3cyclictest3656891-21sshd23:07:210
330112099143,6cyclictest0-21swapper/000:25:010
3301120991411,2cyclictest3613469-21sh22:42:410
3301120991411,2cyclictest3327029-21switchtime19:25:380
3301120991411,2cyclictest2033-21lldpd21:59:590
3301120991410,2cyclictest0-21swapper/020:15:010
330112099140,7cyclictest3615804-21cstates22:45:270
302487291140,4phc2sys0-21swapper/320:15:273
302487291140,3phc2sys0-21swapper/323:56:313
302487291140,2phc2sys0-21swapper/323:43:433
302487291140,2phc2sys0-21swapper/322:28:153
302487291140,2phc2sys0-21swapper/321:59:493
302487291140,2phc2sys0-21swapper/300:20:343
835298130,4rtkit-daemon2025-21snmpd20:05:010
330112299139,2cyclictest0-21swapper/220:15:372
330112299131,6cyclictest0-21swapper/222:20:012
330112299131,6cyclictest0-21swapper/221:30:012
3301122991311,1cyclictest0-21swapper/221:50:362
3301122991311,1cyclictest0-21swapper/221:40:262
3301122991311,1cyclictest0-21swapper/220:45:282
3301122991311,1cyclictest0-21swapper/219:25:262
3301122991311,1cyclictest0-21swapper/200:00:382
3301122991310,1cyclictest0-21swapper/222:55:332
3301122991310,1cyclictest0-21swapper/222:40:312
3301122991310,1cyclictest0-21swapper/220:55:012
3301122991310,1cyclictest0-21swapper/220:35:322
3301122991310,1cyclictest0-21swapper/219:45:282
3301122991310,1cyclictest0-21swapper/219:35:402
3301122991310,1cyclictest0-21swapper/219:15:312
330112199139,3cyclictest3324710-21kthreadcore19:25:341
330112199134,4cyclictest3401084-21aten_repower_fr20:30:251
330112199132,4cyclictest3389018-21head20:20:281
3301121991311,1cyclictest3321570-21idleruntime-cro19:25:001
3301121991310,2cyclictest3340328-21aten_repower_po19:40:271
330112199130,3cyclictest341rcuc/122:40:321
330112099136,2cyclictest3444060-21apt-get21:05:250
3301120991310,2cyclictest3425400-21aten_repower_vo20:50:260
3301120991310,2cyclictest3407203-21aten_repower_po20:35:270
3301120991310,2cyclictest3392978-21kthreadcore20:20:340
3301120991310,2cyclictest3363391-21sendmail_mailst19:55:390
3301120991310,2cyclictest3353246-21cut19:50:300
330112099130,12cyclictest0-21swapper/023:22:480
32980632131,3sleep03298840-21tr19:05:340
302487291131,6phc2sys0-21swapper/320:45:253
302487291130,3phc2sys0-21swapper/322:42:363
302487291130,3phc2sys0-21swapper/319:10:263
302487291130,2phc2sys0-21swapper/323:33:533
302487291130,2phc2sys0-21swapper/322:56:143
302487291130,2phc2sys0-21swapper/322:36:383
302487291130,2phc2sys0-21swapper/320:33:223
302487291130,2phc2sys0-21swapper/300:10:563
302487291130,2phc2sys0-21swapper/300:02:583
330112299120,4cyclictest0-21swapper/223:42:522
330112299120,2cyclictest0-21swapper/223:38:562
330112199122,6cyclictest3346937-21perl19:45:281
330112099129,2cyclictest3723717-21kthreadcore23:45:330
302487291121,5phc2sys0-21swapper/319:50:253
302487291120,3phc2sys0-21swapper/321:17:313
302487291120,3phc2sys0-21swapper/319:20:243
302487291120,2phc2sys0-21swapper/320:08:423
330112299119,1cyclictest0-21swapper/219:21:212
330112299111,4cyclictest0-21swapper/219:10:012
302487291112,2phc2sys0-21swapper/321:22:393
302487291111,3phc2sys0-21swapper/300:05:233
302487291110,3phc2sys0-21swapper/300:15:133
302487291110,2phc2sys0-21swapper/323:25:503
302487291110,2phc2sys0-21swapper/323:05:033
302487291110,2phc2sys0-21swapper/321:40:103
302487291110,2phc2sys0-21swapper/321:34:453
302487291110,2phc2sys0-21swapper/321:10:533
302487291110,2phc2sys0-21swapper/320:11:463
302487291103,3phc2sys0-21swapper/320:55:333
302487291101,3phc2sys0-21swapper/323:45:553
302487291101,3phc2sys0-21swapper/323:35:253
302487291100,3phc2sys0-21swapper/323:20:263
302487291100,3phc2sys0-21swapper/320:44:553
302487291100,3phc2sys0-21swapper/319:35:443
302487291100,2phc2sys0-21swapper/322:30:283
302487291100,2phc2sys0-21swapper/321:25:363
302487291100,2phc2sys0-21swapper/320:50:253
302487291100,2phc2sys0-21swapper/319:55:393
302487291100,2phc2sys0-21swapper/319:30:343
30248729191,2phc2sys0-21swapper/320:35:313
30248729191,2phc2sys0-21swapper/320:00:323
30248729190,3phc2sys0-21swapper/321:09:563
30248729190,3phc2sys0-21swapper/319:45:333
30248729190,3phc2sys0-21swapper/319:15:313
30248729190,2phc2sys0-21swapper/321:00:353
30248729190,2phc2sys0-21swapper/320:20:083
30248729190,2phc2sys0-21swapper/319:40:333
30248729190,2phc2sys0-21swapper/319:05:293
30248729190,2phc2sys0-21swapper/300:25:023
30248729180,2phc2sys0-21swapper/319:25:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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