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2026-03-16 - 08:39
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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 all highest latencies:
System rackeslot2.osadl.org (updated Mon Mar 16, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377442421770,2sleep30-21swapper/322:26:333
359375121580,3sleep30-21swapper/320:31:393
359375121580,3sleep30-21swapper/320:31:393
392140921050,2sleep30-21swapper/323:48:173
37425032840,2sleep10-21swapper/122:06:391
38058782730,2sleep30-21swapper/322:41:443
38058782730,2sleep30-21swapper/322:41:443
3492954992420,2cyclictest0-21swapper/220:11:432
3492952992413,6cyclictest0-21swapper/022:20:020
3492954992118,1cyclictest0-21swapper/223:50:002
3492954992118,1cyclictest0-21swapper/223:20:012
3492953992117,3cyclictest3940331-21grep00:00:011
3492952992118,2cyclictest3808084-21cron22:45:000
3492952992118,2cyclictest3808084-21cron22:45:000
3492953992017,2cyclictest3931538-21apt-key23:55:011
3492953992011,4cyclictest0-21swapper/123:15:021
349295299209,6cyclictest0-21swapper/000:15:000
3492952992011,5cyclictest3890579-21kthreadcore23:31:380
3492952992010,5cyclictest0-21swapper/000:31:390
3492954991916,1cyclictest0-21swapper/222:15:002
3492954991916,1cyclictest0-21swapper/200:40:002
3492953991916,2cyclictest3905017-21munin-plugin-st23:40:011
3492953991916,2cyclictest3561859-21gpgconf20:05:011
3492953991912,2cyclictest0-21swapper/100:20:001
349295299199,5cyclictest0-21swapper/022:31:410
349295299199,5cyclictest0-21swapper/021:56:410
349295299199,5cyclictest0-21swapper/021:56:410
349295299198,6cyclictest0-21swapper/021:11:440
3492952991916,2cyclictest3904897-21sendmail23:40:000
3492952991915,2cyclictest1286-21avahi-daemon23:05:020
349295299191,1cyclictest3640486-21diskmemload22:56:350
2902298190,2rtkit-daemon3710795-21taskset21:49:560
2649091191,5phc2sys0-21swapper/322:30:353
2649091190,2phc2sys0-21swapper/300:21:013
2649091190,2phc2sys0-21swapper/300:08:353
3492954991815,1cyclictest0-21swapper/223:30:002
3492954991815,1cyclictest0-21swapper/222:05:002
3492954991815,1cyclictest0-21swapper/221:41:382
3492954991814,2cyclictest0-21swapper/223:10:012
349295399189,4cyclictest0-21swapper/100:35:011
3492953991815,2cyclictest3861045-21kworker/u16:1-writeback00:25:001
3492953991815,2cyclictest3536685-21phc2sys19:41:411
3492953991815,2cyclictest1326-21systemd-logind21:15:011
3492953991814,3cyclictest3504388-21kthreadcore19:16:391
3492953991810,3cyclictest4007088-21kthreadcore00:36:391
3492953991810,3cyclictest0-21swapper/123:33:431
3492952991815,2cyclictest3499387-21grep19:15:010
3492952991815,2cyclictest1327-21in:imuxsock20:50:000
3492952991815,2cyclictest1326-21systemd-logind00:08:460
3492952991814,3cyclictest3580876-21cpuspeed_turbos20:21:340
349295299181,13cyclictest0-21swapper/022:02:400
2902298180,4rtkit-daemon0-21swapper/122:55:511
2649091180,2phc2sys0-21swapper/323:16:403
3492954991714,1cyclictest0-21swapper/219:45:002
3492954991714,1cyclictest0-21swapper/200:26:382
3492954991714,1cyclictest0-21swapper/200:08:292
3492953991714,2cyclictest3849989-21unixbench_multi23:06:461
3492953991714,2cyclictest3751464-21kthreadcore22:11:391
349295299178,5cyclictest3878560-21ls23:25:000
349295299178,5cyclictest0-21swapper/021:31:420
349295299178,4cyclictest0-21swapper/023:16:320
349295299177,5cyclictest0-21swapper/022:21:320
349295299177,5cyclictest0-21swapper/021:30:000
349295299177,5cyclictest0-21swapper/021:20:290
349295299171,4cyclictest3932736-21rm23:56:320
3492952991714,2cyclictest3492950-21cyclictest00:16:400
3492952991714,2cyclictest1288-1atopacctd21:16:320
3492952991714,2cyclictest0-21swapper/022:40:000
2649091170,2phc2sys0-21swapper/321:43:303
2649091170,2phc2sys0-21swapper/321:17:453
2649091170,2phc2sys0-21swapper/319:30:333
2649091170,2phc2sys0-21swapper/300:27:303
349295499161,8cyclictest0-21swapper/200:20:012
3492954991613,1cyclictest0-21swapper/222:56:462
3492954991613,1cyclictest0-21swapper/222:51:322
3492954991613,1cyclictest0-21swapper/222:20:002
3492954991613,1cyclictest0-21swapper/221:46:392
3492954991613,1cyclictest0-21swapper/220:23:272
349295399166,3cyclictest0-21swapper/100:11:381
3492953991613,2cyclictest3779104-21wc22:26:431
3492953991613,2cyclictest3731612-21kthreadcore22:01:391
3492953991613,2cyclictest3706147-21sed21:46:401
3492953991613,2cyclictest3699640-21mailstats21:41:431
3492953991613,2cyclictest3640584-21grep21:10:011
3492953991613,2cyclictest3553458-21kthreadcore19:56:391
3492953991613,2cyclictest1288-1atopacctd20:26:341
3492953991613,2cyclictest0-21swapper/120:55:011
3492953991613,2cyclictest0-21swapper/119:15:011
3492953991612,3cyclictest3658258-21kworker/u16:1+nfsiod22:35:341
349295299169,6cyclictest0-21swapper/023:06:430
349295299165,6cyclictest0-21swapper/020:11:450
349295299161,6cyclictest3499026-21munin-node22:46:310
3492952991613,2cyclictest3513335-21perf19:25:000
3492952991613,2cyclictest1290-21dbus-daemon19:45:000
3492952991613,2cyclictest1288-1atopacctd21:01:310
349295299161,2cyclictest0-21swapper/000:29:400
3492952991612,2cyclictest0-21swapper/000:40:000
3492952991610,5cyclictest3748004-21tr22:11:330
2649091160,2phc2sys0-21swapper/323:37:053
2649091160,2phc2sys0-21swapper/322:06:393
2649091160,2phc2sys0-21swapper/321:54:563
2649091160,2phc2sys0-21swapper/300:35:353
2649091160,1phc2sys0-21swapper/321:46:513
37012802150,6sleep00-21swapper/021:43:500
349295499157,2cyclictest0-21swapper/220:31:322
349295499157,2cyclictest0-21swapper/220:31:322
349295499151,4cyclictest0-21swapper/221:40:022
3492954991513,1cyclictest0-21swapper/222:25:012
3492954991513,1cyclictest0-21swapper/219:25:022
3492954991512,1cyclictest0-21swapper/223:55:002
3492954991512,1cyclictest0-21swapper/223:35:002
3492954991512,1cyclictest0-21swapper/223:21:452
3492954991512,1cyclictest0-21swapper/222:35:432
3492954991512,1cyclictest0-21swapper/222:26:392
3492954991512,1cyclictest0-21swapper/220:36:372
3492954991512,1cyclictest0-21swapper/220:05:012
3492954991511,2cyclictest0-21swapper/223:10:362
3492954991511,2cyclictest0-21swapper/221:16:302
349295399155,9cyclictest3572860-21tr20:11:411
3492953991513,1cyclictest3721290-21tr21:56:351
3492953991513,1cyclictest3721290-21tr21:56:351
3492953991512,2cyclictest3953308-21grep00:06:391
3492953991512,2cyclictest3876115-21mailstats23:21:431
3492953991512,2cyclictest3810286-21grep22:46:351
3492953991512,2cyclictest3783181-21cpuspeed_turbos22:31:331
3492953991512,2cyclictest3673475-21unixbench-2d21:26:451
3492953991512,2cyclictest3524859-21threads19:31:451
3492953991512,2cyclictest3514002-21cpuspeed_turbos19:26:331
3492953991512,2cyclictest3492950-21cyclictest21:30:581
3492953991512,2cyclictest29021-21rtkit-daemon19:38:031
3492953991512,2cyclictest1288-1atopacctd22:40:591
3492953991512,2cyclictest1288-1atopacctd22:40:591
3492953991512,2cyclictest1-21systemd20:50:021
3492953991511,3cyclictest3819496-21kthreadcore22:51:391
3492953991511,3cyclictest3757827-21kthreadcore22:16:381
349295299157,4cyclictest3916206-21kernelversion23:46:380
349295299157,2cyclictest0-21swapper/022:05:070
349295299156,2cyclictest0-21swapper/023:51:350
349295299155,9cyclictest0-21swapper/023:41:310
349295299155,8cyclictest3818716-21fschecks_count22:51:360
3492952991512,2cyclictest0-21swapper/020:55:000
3492952991511,3cyclictest3981082-21kthreadcore00:21:390
3492952991511,3cyclictest3658258-21kworker/u16:1+nfsiod22:28:300
3492952991510,4cyclictest0-21swapper/021:06:310
2649091150,6phc2sys0-21swapper/319:46:313
2649091150,3phc2sys0-21swapper/322:14:253
2649091150,1phc2sys0-21swapper/323:14:553
3492954991412,1cyclictest0-21swapper/222:45:012
3492954991412,1cyclictest0-21swapper/222:45:012
3492954991412,1cyclictest0-21swapper/219:15:012
3492954991411,1cyclictest0-21swapper/223:40:002
3492954991411,1cyclictest0-21swapper/222:49:272
3492954991411,1cyclictest0-21swapper/222:31:342
3492954991411,1cyclictest0-21swapper/222:06:312
3492954991411,1cyclictest0-21swapper/221:51:352
3492954991411,1cyclictest0-21swapper/221:31:442
3492954991411,1cyclictest0-21swapper/221:06:372
3492954991411,1cyclictest0-21swapper/219:56:442
3492954991411,1cyclictest0-21swapper/219:36:362
3492954991411,1cyclictest0-21swapper/200:00:012
3492954991410,2cyclictest0-21swapper/222:00:002
3492954991410,2cyclictest0-21swapper/222:00:002
349295399147,5cyclictest257-21systemd-journal00:00:431
3492953991411,2cyclictest3911119-21processes23:41:421
3492953991411,2cyclictest3768004-21kthreadcore22:21:391
3492953991411,2cyclictest3714259-21kthreadcore21:51:381
3492953991411,2cyclictest3659697-21cpuspeed_turbos21:21:331
3492953991411,2cyclictest3650842-21cstates21:16:331
3492953991411,2cyclictest3581470-21sed20:21:381
3492953991411,2cyclictest3579042-21kthreadcore20:16:401
3492953991411,2cyclictest3508297-21fschecks_count19:21:341
3492953991410,3cyclictest3881350-21kthreadcore23:26:371
3492953991410,3cyclictest3565671-21kthreadcore20:06:391
3492953991410,3cyclictest3562138-21kworker/u16:0+nfsiod21:38:111
349295299144,5cyclictest3521298-21cut19:31:390
349295299141,7cyclictest3543594-21munin-run19:50:000
3492952991412,1cyclictest3860921-21cut23:15:010
3492952991412,1cyclictest3546071-21kthreadcore19:51:390
3492952991411,2cyclictest3949352-21latency_hist00:05:010
3492952991411,2cyclictest3575259-21gltestperf20:16:360
3492952991410,3cyclictest3715021-21kthreadcore21:51:390
3492952991410,3cyclictest1288-1atopacctd20:06:390
349295299140,9cyclictest3882219-21grep23:26:380
2649091140,4phc2sys0-21swapper/322:57:373
2649091140,3phc2sys0-21swapper/323:20:223
2649091140,2phc2sys0-21swapper/321:56:333
2649091140,2phc2sys0-21swapper/321:56:333
2649091140,2phc2sys0-21swapper/321:11:443
2649091140,2phc2sys0-21swapper/300:31:033
39399112130,3sleep30-21swapper/323:59:283
38149912130,5sleep30-21swapper/322:47:063
34990832137,3sleep30-21swapper/319:15:023
3492954991311,1cyclictest0-21swapper/221:01:372
3492954991311,1cyclictest0-21swapper/220:45:012
3492954991311,1cyclictest0-21swapper/219:31:382
3492954991310,1cyclictest0-21swapper/223:01:312
3492954991310,1cyclictest0-21swapper/220:56:402
3492954991310,1cyclictest0-21swapper/220:10:012
3492954991310,1cyclictest0-21swapper/219:50:002
3492954991310,1cyclictest0-21swapper/200:11:382
3492954991310,1cyclictest0-21swapper/200:01:462
349295499130,8cyclictest0-21swapper/221:11:322
349295399139,3cyclictest3631733-21kthreadcore21:01:371
349295399139,3cyclictest3593910-21irqrtprio20:31:391
349295399139,3cyclictest3593910-21irqrtprio20:31:391
349295399137,5cyclictest134050irq/121-eno123:01:371
349295399136,4cyclictest3622904-21tail20:56:301
349295399136,3cyclictest3992756-21runrttasks00:29:101
349295399134,4cyclictest1288-1atopacctd23:45:141
3492953991310,2cyclictest3863181-21irqcore23:16:371
3492953991310,2cyclictest3605255-21sh20:41:321
3492953991310,2cyclictest3599886-21irqrtprio20:36:381
3492953991310,2cyclictest3545113-21cut19:51:381
3492953991310,2cyclictest3540041-21kthreadcore19:46:381
349295299139,3cyclictest3625088-21kthreadcore20:56:360
349295299139,3cyclictest3562138-21kworker/u16:0+nfsiod21:35:250
349295299135,7cyclictest3594846-1grep20:31:400
349295299135,7cyclictest3594846-1grep20:31:400
349295299131,7cyclictest3586646-21apt-get20:26:320
349295299131,7cyclictest3492782-21latency_hist19:10:010
3492952991310,2cyclictest3559477-21kthreadcore20:01:410
3492952991310,2cyclictest3552828-21kthreadcore19:56:390
3492952991310,2cyclictest3530237-21kthreadcore19:36:400
3492952991310,2cyclictest3516604-21kthreadcore19:26:390
2649091130,3phc2sys0-21swapper/321:00:023
2649091130,3phc2sys0-21swapper/300:17:103
2649091130,2phc2sys0-21swapper/323:28:313
2649091130,2phc2sys0-21swapper/322:03:013
2649091130,2phc2sys0-21swapper/320:15:163
349295499129,1cyclictest0-21swapper/221:26:352
349295499129,1cyclictest0-21swapper/220:50:312
349295499129,1cyclictest0-21swapper/220:46:402
349295499121,6cyclictest0-21swapper/221:21:312
3492954991210,1cyclictest0-21swapper/220:30:012
3492954991210,1cyclictest0-21swapper/219:51:342
3492954991210,1cyclictest0-21swapper/219:30:012
3492954991210,1cyclictest0-21swapper/219:15:022
3492954991210,1cyclictest0-21swapper/200:35:012
3492954991210,1cyclictest0-21swapper/200:25:012
349295299129,2cyclictest3604739-21aten_repower_cu20:41:300
349295299128,3cyclictest3501900-21cpuspeed_turbos19:16:330
349295299121,6cyclictest3599237-21df_inode20:36:340
2649091120,3phc2sys0-21swapper/323:51:313
2649091120,2phc2sys0-21swapper/322:35:283
2649091120,2phc2sys0-21swapper/321:06:313
2649091120,2phc2sys0-21swapper/320:40:503
349295499119,1cyclictest0-21swapper/223:40:302
349295499119,1cyclictest0-21swapper/220:16:442
2649091113,3phc2sys0-21swapper/320:05:003
2649091112,2phc2sys188090irq/126-enp1s0-TxRx-319:16:423
2649091112,2phc2sys0-21swapper/322:20:213
2649091111,2phc2sys0-21swapper/323:06:263
2649091110,2phc2sys0-21swapper/320:11:323
2649091110,2phc2sys0-21swapper/319:41:313
2649091110,2phc2sys0-21swapper/300:01:333
2649091110,1phc2sys0-21swapper/320:22:223
349295399104,5cyclictest1-21systemd19:10:011
2649091102,2phc2sys0-21swapper/323:41:343
2649091102,2phc2sys0-21swapper/322:51:313
2649091102,2phc2sys0-21swapper/300:13:523
2649091101,3phc2sys0-21swapper/323:02:093
2649091101,2phc2sys0-21swapper/321:22:463
2649091100,2phc2sys0-21swapper/323:33:123
2649091100,2phc2sys0-21swapper/322:15:163
2649091100,2phc2sys0-21swapper/321:35:253
2649091100,2phc2sys0-21swapper/321:34:563
2649091100,2phc2sys0-21swapper/321:26:393
2649091100,2phc2sys0-21swapper/319:36:383
2649091100,2phc2sys0-21swapper/319:10:013
2649091100,1phc2sys0-21swapper/319:25:053
34929549997,1cyclictest0-21swapper/219:10:012
264909191,2phc2sys0-21swapper/321:01:343
264909191,2phc2sys0-21swapper/319:56:343
264909190,2phc2sys0-21swapper/320:51:323
264909190,2phc2sys0-21swapper/320:36:263
264909190,2phc2sys0-21swapper/320:26:473
264909190,2phc2sys0-21swapper/320:09:553
264909190,2phc2sys0-21swapper/319:52:053
264909190,2phc2sys0-21swapper/319:21:433
264909190,1phc2sys0-21swapper/320:45:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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