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2026-09-06 - 08:16
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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 Sep 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325482621260,2sleep30-21swapper/320:09:423
35831562670,0sleep03583155-21fschecks_count23:29:370
35831562670,0sleep03583155-21fschecks_count23:29:370
35625952390,3sleep30-21swapper/323:15:013
34586772340,1sleep03458679-21rm22:17:580
34484762290,3sleep30-21swapper/322:10:033
3174415992410,9cyclictest3392031-21tr21:39:440
3174415992213,5cyclictest3507375-21kthreadcore22:44:460
36947052210,2sleep00-21swapper/000:30:310
3174415992112,5cyclictest3353548-21/usr/sbin/munin21:19:430
3174417992015,1cyclictest0-21swapper/222:09:522
317441699202,12cyclictest3358520-21grep21:19:451
317441599209,5cyclictest3548240-21/usr/sbin/munin23:09:410
3174415992013,2cyclictest3677011-21latency_hist00:20:030
3174415992012,7cyclictest3483459-21systemd-run22:30:020
3174415992012,3cyclictest3518673-21munin-run22:50:010
2213291200,2phc2sys0-21swapper/323:35:193
36678702190,3sleep13667875-21dump-pmu-power00:15:001
3174416991915,3cyclictest3426039-21kthreadcore21:59:431
3174416991915,3cyclictest3318648-21kthreadcore20:54:431
3174416991915,3cyclictest24615-21JS14:54:061
3174416991915,3cyclictest24615-21JS14:54:061
3174416991915,3cyclictest24615-21JS14:54:061
3174416991913,2cyclictest3697157-21cstates00:34:401
2213291190,2phc2sys0-21swapper/323:24:483
2213291190,2phc2sys0-21swapper/322:53:263
317441799182,8cyclictest0-21swapper/220:59:202
3174417991815,1cyclictest0-21swapper/222:39:512
3174417991815,1cyclictest0-21swapper/222:15:552
3174417991815,1cyclictest0-21swapper/221:03:092
3174417991815,1cyclictest0-21swapper/221:03:092
3174417991815,1cyclictest0-21swapper/219:17:592
3174417991814,2cyclictest0-21swapper/221:48:092
3174417991814,2cyclictest0-21swapper/219:46:092
3174416991814,3cyclictest24619-21llvmpipe-123:51:591
3174416991810,7cyclictest3181233-21idleruntime-cro19:15:011
317441599187,7cyclictest3490786-21kthreadcore22:34:460
3174415991815,2cyclictest778-21dbus-daemon19:45:010
3174415991814,2cyclictest3174611-21919:10:030
3174415991812,5cyclictest1206-21snmpd20:00:020
317441599181,12cyclictest0-21swapper/000:04:140
317441599180,11cyclictest3678963-21ssh00:24:210
2213291180,2phc2sys0-21swapper/321:44:343
2213291180,2phc2sys0-21swapper/321:34:413
317441799171,8cyclictest0-21swapper/222:54:202
3174417991714,1cyclictest0-21swapper/222:45:012
3174417991714,1cyclictest0-21swapper/220:54:452
3174417991714,1cyclictest0-21swapper/220:15:002
3174417991713,2cyclictest0-21swapper/222:14:272
3174417991713,2cyclictest0-21swapper/222:14:272
3174417991713,2cyclictest0-21swapper/200:26:592
3174417991713,1cyclictest0-21swapper/220:20:092
3174417991712,2cyclictest0-21swapper/221:37:322
3174417991712,2cyclictest0-21swapper/219:14:092
3174416991714,2cyclictest778-21dbus-daemon19:50:011
3174416991714,2cyclictest3676995-21systemd-run00:20:031
3174416991713,3cyclictest3534814-21kthreadcore22:59:451
3174416991711,2cyclictest82050irq/121-eno123:56:231
3174416991710,3cyclictest3652571-21/usr/sbin/munin00:09:401
317441599178,5cyclictest3430713-21kworker/u16:3-writeback22:15:020
317441599178,5cyclictest3430713-21kworker/u16:3-writeback22:15:020
317441599177,2cyclictest0-21swapper/023:05:010
317441599176,7cyclictest3499816-21kthreadcore22:39:440
317441599175,7cyclictest0-21swapper/021:35:010
317441599173,9cyclictest3557016-21irqcore23:14:410
3174415991714,2cyclictest797-21polkitd19:40:030
3174415991714,2cyclictest24617-21JS14:54:060
3174415991710,2cyclictest1008-21gmain23:45:160
2447398170,12rtkit-daemon3608707-21/usr/sbin/munin23:44:351
2213291170,2phc2sys0-21swapper/323:44:453
2213291170,2phc2sys0-21swapper/322:34:223
317441799161,8cyclictest0-21swapper/220:04:192
317441799161,7cyclictest0-21swapper/220:19:202
3174417991614,1cyclictest0-21swapper/221:25:372
3174417991613,1cyclictest0-21swapper/222:59:492
3174417991613,1cyclictest0-21swapper/200:17:172
3174417991612,2cyclictest0-21swapper/221:13:092
317441699169,3cyclictest3687962-21aten_repower_vo00:29:371
317441699168,3cyclictest3574558-21if_enp1s0.823:24:401
317441699165,7cyclictest977-21rs:main1
317441699163,8cyclictest3492188-21awk22:35:011
3174416991613,2cyclictest975-21in:imuxsock23:01:151
3174416991613,2cyclictest3477362-21cpuspeed_turbos22:29:401
3174416991613,2cyclictest24615-21JS14:54:061
3174416991613,2cyclictest1206-21snmpd23:34:201
3174416991612,3cyclictest3495687-21irqcore22:39:411
3174416991612,3cyclictest3400791-21kthreadcore21:44:421
3174416991612,3cyclictest3395694-21kworker/u16:0+nfsiod21:48:061
3174416991612,3cyclictest3385859-21pmu-power21:34:471
3174416991612,3cyclictest3174413-21cyclictest22:44:281
317441599168,4cyclictest3530007-21cpuspeed_turbos22:59:370
317441599167,4cyclictest0-21swapper/023:24:370
317441599167,2cyclictest0-21swapper/023:35:030
317441599167,2cyclictest0-21swapper/022:24:410
317441599165,6cyclictest0-21swapper/020:11:260
317441599162,8cyclictest3233642-21if_enp1s0.819:54:400
317441599161,5cyclictest3635320-21ssh23:59:340
3174415991613,2cyclictest977-21rs:main0
3174415991613,2cyclictest3659368-21ssh00:10:020
3174415991613,2cyclictest3606396-21unix_chkpwd23:40:010
3174415991613,2cyclictest24815-21gsd-power21:24:460
3174415991612,3cyclictest3509961-21kworker/u16:2+nfsiod23:44:070
3174415991612,3cyclictest3371754-21cpuspeed_turbos21:29:410
3174415991612,3cyclictest3266969-21sshd-session20:15:120
2213291161,6phc2sys0-21swapper/319:44:213
2213291160,2phc2sys0-21swapper/322:38:143
2213291160,2phc2sys0-21swapper/321:27:203
317441799152,9cyclictest0-21swapper/223:54:192
317441799151,8cyclictest0-21swapper/219:24:212
3174417991513,1cyclictest0-21swapper/222:50:012
3174417991512,1cyclictest0-21swapper/223:49:422
3174417991512,1cyclictest0-21swapper/223:15:012
3174417991512,1cyclictest0-21swapper/223:04:092
3174417991512,1cyclictest0-21swapper/222:30:022
317441699159,5cyclictest3314837-21unixbench_multi20:49:511
317441699157,7cyclictest24619-21llvmpipe-119:53:591
317441699154,6cyclictest3351308-21idleruntime-cro21:15:011
317441699153,7cyclictest3287309-21latency_hist20:30:021
317441699151,8cyclictest3562506-21latency_hist23:15:011
317441699151,2cyclictest82050irq/121-eno100:39:211
3174416991512,2cyclictest3520965-21aten_repower_fr22:54:301
3174416991512,2cyclictest3372814-21kthreadcore21:29:461
3174416991512,2cyclictest3368352-21processes21:24:471
3174416991512,2cyclictest3342489-21diskmemload23:49:391
3174416991512,2cyclictest24472-21rtkit-daemon22:18:281
3174416991512,2cyclictest1-21systemd23:20:031
3174416991512,2cyclictest1-21systemd23:20:031
3174416991511,3cyclictest3604232-21kthreadcore23:39:421
3174416991511,3cyclictest3470334-21kthreadcore22:24:421
3174416991511,3cyclictest3395694-21kworker/u16:0+nfsiod22:03:351
3174416991511,3cyclictest3338738-21kthreadcore21:09:421
3174416991511,3cyclictest3296206-21kernelversion20:39:451
3174416991511,3cyclictest3256550-21kthreadcore20:09:441
3174416991511,3cyclictest3247960-21kthreadcore20:04:481
3174416991511,3cyclictest3186235-21kthreadcore19:19:431
317441599158,6cyclictest3707102-21kthreadcore00:39:430
317441599157,4cyclictest3350938-21ssh21:14:490
317441599156,2cyclictest0-21swapper/023:19:380
317441599156,2cyclictest0-21swapper/023:19:380
317441599156,2cyclictest0-21swapper/021:55:030
317441599154,6cyclictest0-21swapper/020:39:120
317441599154,10cyclictest171ktimers/019:14:200
3174415991512,2cyclictest778-21dbus-daemon20:50:010
3174415991512,2cyclictest3889-21cron00:30:010
3174415991512,2cyclictest3664355-21kthreadcore00:14:420
3174415991512,2cyclictest3439347-21sh22:05:010
3174415991512,2cyclictest3342129-21switchtime21:09:480
3174415991512,2cyclictest3205386-21cpu19:34:370
3174415991512,2cyclictest1188-21runrttasks21:44:190
3174415991511,3cyclictest3231184-21kthreadcore19:49:450
3174415991511,3cyclictest3200372-21kthreadcore19:29:420
2213291151,7phc2sys0-21swapper/320:19:203
2213291150,5phc2sys0-21swapper/322:04:193
2213291150,3phc2sys0-21swapper/300:19:213
2213291150,2phc2sys0-21swapper/323:16:583
2213291150,2phc2sys0-21swapper/323:16:583
2213291150,2phc2sys0-21swapper/319:24:433
2213291150,1phc2sys0-21swapper/322:29:573
2213291150,1phc2sys0-21swapper/321:46:033
36348512140,2sleep20-21swapper/223:58:462
317441799142,5cyclictest0-21swapper/219:34:212
317441799141,7cyclictest0-21swapper/220:44:192
3174417991412,1cyclictest0-21swapper/222:35:032
3174417991411,1cyclictest0-21swapper/223:43:332
3174417991411,1cyclictest0-21swapper/223:34:422
3174417991411,1cyclictest0-21swapper/222:25:012
3174417991411,1cyclictest0-21swapper/220:39:402
3174417991411,1cyclictest0-21swapper/220:34:372
3174417991411,1cyclictest0-21swapper/220:09:432
3174417991411,1cyclictest0-21swapper/219:59:372
3174417991411,1cyclictest0-21swapper/200:34:442
3174417991411,1cyclictest0-21swapper/200:04:402
3174417991410,2cyclictest0-21swapper/221:54:472
317441799140,7cyclictest0-21swapper/223:39:182
317441699145,4cyclictest0-21swapper/122:49:291
317441699143,5cyclictest0-21swapper/123:09:391
3174416991411,2cyclictest3422162-21systemd-run21:55:031
3174416991411,2cyclictest3208232-21kthreadcore19:34:441
3174416991410,3cyclictest3647567-21kthreadcore00:04:441
3174416991410,3cyclictest3585146-21kthreadcore23:29:411
3174416991410,3cyclictest3585146-21kthreadcore23:29:411
3174416991410,3cyclictest3443993-21kthreadcore22:09:431
3174416991410,3cyclictest3430713-21kworker/u16:3+nfsiod22:14:271
3174416991410,3cyclictest3430713-21kworker/u16:3+nfsiod22:14:271
3174416991410,3cyclictest3304867-21kthreadcore20:44:421
3174416991410,3cyclictest3289089-21irqcore20:34:411
3174416991410,3cyclictest3276699-21kthreadcore20:24:441
3174416991410,3cyclictest3243402-21kthreadcore19:59:421
3174416991410,3cyclictest3201688-21kthreadcore19:29:431
3174416991410,3cyclictest3191727-21cstates19:24:371
317441599142,6cyclictest0-21swapper/020:35:020
3174415991411,2cyclictest975-21in:imuxsock20:30:010
3174415991411,2cyclictest3425584-21kthreadcore21:59:430
3174415991411,2cyclictest3334270-21kthreadcore21:04:460
3174415991411,2cyclictest3334270-21kthreadcore21:04:460
3174415991411,2cyclictest3304867-21kthreadcore20:44:420
3174415991411,2cyclictest3247932-21kernelversion20:04:480
3174415991411,2cyclictest3185528-21cut19:19:420
3174415991410,3cyclictest3317076-21kthreadcore20:54:410
3174415991410,3cyclictest3192604-21irqrtprio19:24:410
317441599140,12cyclictest3520850-21apt-get22:54:200
2213291144,2phc2sys0-21swapper/323:49:223
2213291141,5phc2sys0-21swapper/321:14:193
2213291140,3phc2sys0-21swapper/323:59:213
2213291140,2phc2sys0-21swapper/300:09:593
317441799131,7cyclictest0-21swapper/221:24:202
317441799131,7cyclictest0-21swapper/220:29:202
317441799131,7cyclictest0-21swapper/200:09:202
317441799131,6cyclictest0-21swapper/221:44:202
317441799131,6cyclictest0-21swapper/219:54:212
3174417991311,1cyclictest0-21swapper/200:24:462
3174417991310,1cyclictest0-21swapper/223:29:412
3174417991310,1cyclictest0-21swapper/223:29:412
3174417991310,1cyclictest0-21swapper/222:02:562
3174417991310,1cyclictest0-21swapper/221:31:302
3174417991310,1cyclictest0-21swapper/221:09:462
3174417991310,1cyclictest0-21swapper/219:30:012
3174417991310,1cyclictest0-21swapper/200:14:492
317441699139,3cyclictest3325369-21kthreadcore20:59:421
317441699139,3cyclictest3039890-21kworker/u16:3+nfsiod21:35:471
3174416991310,2cyclictest3222023-21kthreadcore19:44:451
3174415991310,2cyclictest3627687-21irqrtprio23:54:410
3174415991310,2cyclictest3323536-21irqcore20:59:410
3174415991310,2cyclictest24615-21JS14:54:060
317441599130,8cyclictest3274198-21/usr/sbin/munin20:24:380
2213291134,2phc2sys0-21swapper/321:19:503
2213291131,2phc2sys0-21swapper/323:25:043
2213291131,2phc2sys0-21swapper/323:25:043
2213291130,2phc2sys0-21swapper/321:37:583
2213291130,2phc2sys0-21swapper/319:52:123
2213291130,2phc2sys0-21swapper/319:29:583
2213291130,2phc2sys0-21swapper/319:14:513
2213291130,1phc2sys0-21swapper/321:00:493
2213291130,1phc2sys0-21swapper/321:00:493
317441799129,1cyclictest0-21swapper/221:59:422
317441799129,1cyclictest0-21swapper/221:19:312
317441799128,2cyclictest0-21swapper/200:35:532
317441799121,3cyclictest0-21swapper/223:24:202
3174417991210,1cyclictest0-21swapper/223:09:312
3174417991210,1cyclictest0-21swapper/219:41:492
3174417991210,1cyclictest0-21swapper/219:38:092
317441699128,3cyclictest3624340-21kworker/u16:3+nfsiod00:21:251
2213291122,2phc2sys0-21swapper/321:55:013
2213291121,3phc2sys0-21swapper/320:54:193
2213291121,3phc2sys0-21swapper/300:39:213
2213291121,2phc2sys0-21swapper/320:24:383
2213291120,2phc2sys0-21swapper/322:10:253
2213291120,2phc2sys0-21swapper/322:10:253
2213291120,2phc2sys0-21swapper/320:59:293
2213291120,2phc2sys0-21swapper/320:31:193
2213291120,2phc2sys0-21swapper/300:14:203
317441799119,1cyclictest0-21swapper/219:10:032
317441799118,1cyclictest0-21swapper/223:16:232
317441799118,1cyclictest0-21swapper/223:16:232
317441799118,1cyclictest0-21swapper/220:49:412
317441699115,4cyclictest1-21systemd19:10:011
2213291113,3phc2sys0-21swapper/321:25:013
2213291113,3phc2sys0-21swapper/300:24:213
2213291110,4phc2sys0-21swapper/300:04:213
2213291110,2phc2sys0-21swapper/320:11:473
2213291110,1phc2sys0-21swapper/320:42:183
34675592100,2sleep30-21swapper/322:23:073
2213291101,4phc2sys0-21swapper/320:04:193
2213291101,3phc2sys0-21swapper/300:29:233
2213291101,2phc2sys0-21swapper/322:44:203
2213291101,2phc2sys0-21swapper/321:09:193
2213291101,2phc2sys0-21swapper/319:59:373
2213291101,2phc2sys0-21swapper/319:39:413
2213291101,2phc2sys0-21swapper/300:31:003
2213291100,3phc2sys0-21swapper/323:54:193
2213291100,3phc2sys0-21swapper/323:09:203
2213291100,2phc2sys0-21swapper/323:04:203
2213291100,2phc2sys0-21swapper/322:59:273
2213291100,2phc2sys0-21swapper/322:45:363
2213291100,2phc2sys0-21swapper/320:36:353
2213291100,2phc2sys0-21swapper/320:29:583
2213291100,1phc2sys0-21swapper/320:46:263
2213291100,1phc2sys0-21swapper/319:46:593
221329191,2phc2sys0-21swapper/323:31:023
221329191,2phc2sys0-21swapper/319:09:433
221329190,2phc2sys0-21swapper/322:15:183
221329190,2phc2sys0-21swapper/321:56:063
221329190,2phc2sys0-21swapper/319:34:203
221329190,2phc2sys0-21swapper/319:18:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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