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2026-05-21 - 11:39
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot8.osadl.org (updated Thu May 21, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3223175992825,1cyclictest0-21swapper/322:40:013
3223175992522,1cyclictest0-21swapper/319:40:013
3223175992516,6cyclictest3257261-21sleep19:35:003
3223175992421,1cyclictest0-21swapper/323:20:013
3223175992421,1cyclictest0-21swapper/321:35:243
3223175992421,1cyclictest0-21swapper/300:00:013
3223175992421,1cyclictest0-21swapper/300:00:013
3223175992420,1cyclictest0-21swapper/320:19:593
3223175992320,1cyclictest0-21swapper/320:55:163
3223175992220,1cyclictest0-21swapper/319:20:013
3223175992219,1cyclictest0-21swapper/322:10:183
3223175992212,5cyclictest36388422chrt23:55:003
3223175992118,1cyclictest0-21swapper/323:30:153
322317599211,15cyclictest3528101-21taskset22:44:243
33895912200,1sleep30-21swapper/321:15:193
322317599205,11cyclictest3378683-21sleep21:10:013
3223175992017,1cyclictest0-21swapper/323:40:003
3223175992017,1cyclictest0-21swapper/323:20:013
3223175992017,1cyclictest0-21swapper/322:45:133
3223175992017,1cyclictest0-21swapper/322:30:183
3223175992017,1cyclictest0-21swapper/322:30:003
3223175992017,1cyclictest0-21swapper/321:55:173
3223175992017,1cyclictest0-21swapper/320:23:133
3223175992017,1cyclictest0-21swapper/300:05:243
3223175992017,1cyclictest0-21swapper/300:05:233
322317599201,15cyclictest3559806-21taskset23:05:013
322317599199,7cyclictest33859382sleep321:13:203
322317599199,7cyclictest33466512sleep320:44:093
322317599192,13cyclictest3238340-21taskset19:20:123
3223175991916,1cyclictest0-21swapper/323:10:193
3223175991916,1cyclictest0-21swapper/322:20:183
3223175991916,1cyclictest0-21swapper/321:50:263
3223175991916,1cyclictest0-21swapper/300:20:183
322317599191,14cyclictest3677784-21taskset00:18:253
322317599191,14cyclictest3471038-21taskset22:05:233
322317599191,14cyclictest3464471-21taskset22:02:383
322317599191,14cyclictest3229469-21taskset19:14:593
322317599191,13cyclictest3297242-21chrt20:05:193
3223175991815,1cyclictest0-21swapper/322:15:113
3223175991815,1cyclictest0-21swapper/322:15:103
3223175991815,1cyclictest0-21swapper/300:25:113
3223175991815,1cyclictest0-21swapper/300:10:173
322317599181,14cyclictest3623048-21turbostat23:45:003
322317599181,13cyclictest3707560-21taskset00:35:223
322317599181,13cyclictest3701029-21taskset00:32:253
322317599181,13cyclictest3565683-21taskset23:05:253
322317599181,13cyclictest3426317-21chrt21:40:133
322317599181,13cyclictest3408540-21taskset21:25:323
322317599181,13cyclictest3337937-21taskset20:35:173
322317599181,13cyclictest3308280-21taskset20:14:413
322317599181,13cyclictest3250662-21taskset19:27:433
322317599178,6cyclictest33337502sleep320:32:263
322317599172,11cyclictest3352807-21taskset20:46:093
322317599172,11cyclictest3352807-21taskset20:46:093
3223175991714,1cyclictest0-21swapper/321:20:173
322317599171,13cyclictest3550519-21taskset22:56:103
322317599171,13cyclictest3543184-21taskset22:52:463
322317599171,13cyclictest3371923-21taskset21:00:283
322317599171,13cyclictest3279619-21chrt19:50:163
322317599171,13cyclictest3269729-21taskset19:41:343
322317599171,12cyclictest3628850-21taskset23:45:263
322317599171,12cyclictest3596995-21chrt23:25:213
322317599171,12cyclictest3434124-21taskset21:45:103
322317599171,12cyclictest3353816-21taskset20:50:133
322317599171,12cyclictest3321432-21chrt20:25:113
3223175991614,1cyclictest0-21swapper/300:00:023
3223175991613,1cyclictest0-21swapper/320:00:243
3223175991613,1cyclictest0-21swapper/319:45:123
322317599161,12cyclictest3288933-21taskset19:57:053
322317599161,11cyclictest3410584-21taskset21:30:113
33148952150,5sleep1331ktimers/120:20:011
32447632151,4sleep0222-21plymouthd19:25:110
36153992141,6sleep23615406-21ssh23:40:052
35207572140,3sleep23520763-21ssh22:40:072
34277152141,9sleep13428116-21ssh21:40:201
32640982141,9sleep03264213-21/usr/sbin/munin19:40:160
32228712140,2sleep30-21swapper/319:08:113
36158432131,4sleep13616270-21sed23:40:161
35339742136,5sleep10-21swapper/122:45:231
34721542130,4sleep13472159-21sh22:07:061
34646062134,6sleep03464609-21diskmemload22:03:000
34259182130,9sleep23425979-21sendmail21:40:012
36838552120,2sleep0222-21plymouthd00:20:200
36544582120,5sleep03654464-21ssh00:04:160
36141502120,9sleep23614156-21ssh23:37:322
35605362121,4sleep1222-21plymouthd23:05:161
34090992120,9sleep13409105-21ssh21:27:011
33346272120,8sleep03335177-21irqrtprio20:35:160
32300732120,2sleep1222-21plymouthd19:15:021
36925602110,8sleep13692566-21ssh00:25:421
36550362111,7sleep03655071-21apt-get00:05:120
36550362111,7sleep03655071-21apt-get00:05:120
35996192111,6sleep0222-21plymouthd23:30:120
35989902111,3sleep03598996-21ssh23:29:160
34886852110,8sleep23488689-21ssh22:19:102
34886852110,8sleep23488689-21ssh22:19:092
34552092111,7sleep03455263-21sh21:55:220
34335212111,7sleep00-21swapper/021:44:110
34325412110,8sleep23432549-21ssh21:41:332
34158162110,3sleep23415872-21ntpq21:30:272
36770542100,3sleep13677060-21ssh00:16:281
36464102100,1sleep20-21swapper/223:59:092
36464102100,1sleep20-21swapper/223:59:092
36405882100,8sleep03641601-21grep23:55:180
36405882100,8sleep03641601-21grep23:55:170
36295952101,6sleep23629601-21ssh23:46:262
35891242102,5sleep03589172-21ntpq23:20:220
35379522100,7sleep23539425-21grep22:50:172
35365562101,4sleep1222-21plymouthd22:50:111
34952082100,3sleep13495214-21ssh22:20:331
34737472101,3sleep13473943-21ssh22:10:141
34105042100,6sleep13410226-21apt-get21:30:061
33785732101,6sleep11000-21snmpd21:09:041
33725872101,4sleep23372590-21apt-get21:05:122
33013072100,7sleep03301554-21/usr/sbin/munin20:05:290
33003922100,7sleep13300820-21missed_timers20:05:221
32947272100,7sleep13294777-21ps20:00:251
32845592101,6sleep03286290-21cut19:55:190
3701780291,6sleep13701785-21diskmemload00:34:281
3693062292,4sleep0222-21plymouthd00:27:100
3691931291,5sleep23691966-21ntpq00:25:232
3685492290,2sleep23685499-21ssh00:22:592
3680127290,6sleep13681417-21cut00:20:171
3669543290,2sleep23669545-21ssh00:12:282
3632916290,6sleep10-21swapper/123:50:181
3623393290,6sleep13623544-21ssh23:45:121
3574547290,2sleep2222-21plymouthd23:12:092
3555757290,6sleep23557341-21latency23:00:182
3551832290,2sleep1222-21plymouthd22:59:421
3521702291,6sleep03522464-21kthreadcore22:40:160
3505034291,4sleep13505068-21apt-get22:30:111
3488491290,7sleep13378670-21diskmemload22:18:411
3488491290,7sleep13378670-21diskmemload22:18:411
3472697291,6sleep23472699-21ssh22:08:352
3424650291,2sleep00-21swapper/021:36:300
3386911291,4sleep03386943-21apt-get21:15:130
3294597291,4sleep23294634-21ntpq20:00:222
3256971290,6sleep1222-21plymouthd19:31:431
3223015291,4sleep03223086-21munin-run19:10:010
3221911291,3sleep13222052-21ntpq19:05:171
3708990280,2sleep13708996-21ssh00:37:451
3707697281,4sleep23707824-21python300:35:262
3701407280,1sleep00-21swapper/000:33:300
3666029281,4sleep03667858-21tr00:10:180
3652345281,4sleep23652437-21ntpq00:00:202
3615431280,2sleep0222-21plymouthd23:40:110
3582872280,2sleep13582878-21ssh23:18:231
3504525280,1sleep00-21swapper/022:29:260
3502349281,4sleep13502447-21ntpq22:25:221
3489832281,4sleep03490767-21irqstats22:20:160
3463977281,4sleep13463983-21ssh22:01:161
3440992281,4sleep13440998-21ssh21:48:061
3423758281,3sleep13423794-21ntpq21:35:271
3410593281,4sleep03410755-21diskstats21:30:130
3402705280,5sleep00-21swapper/021:25:110
3400714280,5sleep13400720-21ssh21:20:351
3394805281,3sleep23394840-21apt-get21:20:122
3346670280,1sleep0222-21plymouthd20:44:210
3339415280,4sleep23339451-21ntpq20:35:222
3320787280,5sleep1222-21plymouthd20:20:381
3302222281,3sleep2222-21plymouthd20:10:122
3294683281,4sleep03294726-21ntp_states20:00:240
3282576280,5sleep2222-21plymouthd19:52:282
3281781281,4sleep13281827-21ntpq19:50:191
3275438281,4sleep13275481-21ntpq19:45:211
3263942281,4sleep20-21swapper/219:40:142
3257492281,4sleep2222-21plymouthd19:35:092
3250511280,1sleep20-21swapper/219:25:462
3244449280,1sleep20-21swapper/219:24:582
3216745280,4sleep23216748-21appstreamcli19:05:022
3709845273,2sleep00-21swapper/000:40:010
3677390271,3sleep23677396-21ssh00:17:252
3654182270,1sleep10-21swapper/100:03:321
3614377270,4sleep0222-21plymouthd23:38:050
3606146274,1sleep20-21swapper/223:32:232
3584236270,5sleep13584521-21cut23:20:151
3575997270,3sleep23575992-21apt-get23:15:152
3565826270,4sleep03566022-21users23:05:270
3565358271,4sleep23565410-21ntpq23:05:212
3544028270,4sleep00-21swapper/022:54:590
3519497270,1sleep10-21swapper/122:37:291
3519425271,4sleep2222-21plymouthd22:37:182
3511437271,1sleep0171rcu_preempt22:32:020
3510180271,3sleep23510230-21ntpq22:30:212
3504088271,3sleep2222-21plymouthd22:28:122
3480572270,1sleep20-21swapper/222:13:362
3478821271,3sleep03478859-21ntpq22:10:220
3472017270,4sleep0222-21plymouthd22:06:450
3449850270,3sleep1222-21plymouthd21:55:111
3448004271,3sleep1222-21plymouthd21:50:541
3441579270,1sleep20-21swapper/221:49:432
3408716271,3sleep2222-21plymouthd21:26:012
3400025270,4sleep03400069-21ntpq21:20:220
3385717270,1sleep00-21swapper/021:12:360
3378480271,4sleep0222-21plymouthd21:07:510
3361139270,4sleep13362214-21grep20:55:171
3359332270,1sleep00-21swapper/020:53:160
3352756270,3sleep2222-21plymouthd20:45:282
3352756270,3sleep2222-21plymouthd20:45:282
3341079270,4sleep23341793-21sshd-session20:40:232
3327307270,4sleep0222-21plymouthd20:27:060
3309981270,4sleep23311392-21grep20:15:172
3307441271,3sleep13307467-21ntpq20:10:231
3296304270,4sleep2222-21plymouthd20:05:182
3263906271,3sleep13263939-21apt-get19:40:131
3263445271,3sleep1222-21plymouthd19:37:521
3257539270,4sleep03257692-21df_inode19:35:140
3256903270,4sleep0222-21plymouthd19:30:500
3241923271,3sleep1222-21plymouthd19:20:201
3229187270,3sleep0222-21plymouthd19:11:210
3701271260,2sleep2222-21plymouthd00:33:092
3676837260,3sleep0222-21plymouthd00:15:550
3669209260,3sleep13669213-21ssh00:11:311
3661088260,3sleep2222-21plymouthd00:05:512
3661088260,3sleep2222-21plymouthd00:05:502
3646241261,3sleep13646247-21ssh23:58:441
3646241261,3sleep13646247-21ssh23:58:431
3638787260,3sleep23638840-21systemd-run23:55:002
3629372263,1sleep00-21swapper/023:45:510
3598091260,1sleep10-21swapper/123:26:531
3591739260,3sleep23591899-21df_inode23:25:132
3589761261,2sleep20-21swapper/223:20:352
3582784260,1sleep00-21swapper/023:18:100
3575165260,1sleep00-21swapper/023:13:530
3558895260,3sleep13558901-21ssh23:02:261
3558730260,3sleep03558736-21ssh23:02:020
3551890260,3sleep0222-21plymouthd22:59:530
3547199260,3sleep23548444-21ssh22:55:182
3530588260,3sleep0222-21plymouthd22:45:180
3528696260,3sleep20-21swapper/222:45:122
3527442260,1sleep10-21swapper/122:42:301
3518226260,4sleep00-21swapper/022:35:240
3494585260,3sleep2222-21plymouthd22:20:222
3488984260,4sleep03488991-21cron22:20:000
3488984260,4sleep03488991-21cron22:20:000
3456510261,3sleep21000-21snmpd21:57:332
3448128260,1sleep00-21swapper/021:51:120
3446224260,3sleep23447038-21memory21:50:192
3434150261,2sleep00-21swapper/021:45:120
3394168260,3sleep2222-21plymouthd21:19:152
3386217261,3sleep10-21swapper/121:14:021
3379026260,3sleep20-21swapper/221:10:142
3372257260,3sleep10-21swapper/121:04:401
3371993261,2sleep00-21swapper/021:01:140
3366131262,2sleep20-21swapper/221:00:042
3365836260,2sleep2222-21plymouthd20:59:482
3365530260,3sleep0222-21plymouthd20:55:480
3359344260,3sleep2222-21plymouthd20:53:262
3355541261,2sleep10-21swapper/120:50:161
3352914262,2sleep1331ktimers/120:47:321
3352914262,2sleep1331ktimers/120:47:321
3345864260,3sleep13345897-21ntpq20:40:301
3327531261,2sleep20-21swapper/220:30:012
3327336260,3sleep2222-21plymouthd20:27:272
3321050260,1sleep20-21swapper/220:24:042
3320826260,3sleep0222-21plymouthd20:21:090
3304355260,4sleep03306150-21cut20:10:180
3289091260,3sleep2222-21plymouthd19:59:092
3288901260,1sleep10-21swapper/119:56:391
3282424260,2sleep0222-21plymouthd19:50:300
3276102260,1sleep00-21swapper/019:46:360
3276094260,3sleep2222-21plymouthd19:46:312
3256890260,3sleep2222-21plymouthd19:30:402
3250639260,2sleep1222-21plymouthd19:27:261
3244313260,1sleep00-21swapper/019:23:120
3237865260,3sleep2222-21plymouthd19:18:372
3229260260,1sleep10-21swapper/119:12:181
3226291261,3sleep23228175-21kthreadcore19:10:142
3660217250,3sleep13660317-21ntpq00:05:221
3660217250,3sleep13660317-21ntpq00:05:221
3630951250,3sleep03631167-21ssh23:50:010
3600743250,3sleep13601750-21grep23:30:171
3568014250,2sleep13568047-21apt-get23:10:131
3464541250,3sleep2222-21plymouthd22:02:492
3386867250,2sleep1222-21plymouthd21:15:061
3352933250,3sleep0222-21plymouthd20:47:470
3352933250,3sleep0222-21plymouthd20:47:460
3339372251,2sleep10-21swapper/120:35:211
3333620250,2sleep0222-21plymouthd20:30:470
3327840250,2sleep10-21swapper/120:30:121
3327211250,2sleep1222-21plymouthd20:25:511
3308569250,2sleep0222-21plymouthd20:15:080
3229599251,2sleep00-21swapper/019:15:020
3609761240,2sleep13611443-21kthreadcore23:35:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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