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2026-07-12 - 00:22
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackeslot8.osadl.org (updated Sat Jul 11, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303042223560,3sleep22986512-21kworker/u16:0+ext4-rsv-conversion07:20:142
316377622310,1sleep03163773-21ntpq09:00:230
30343952350,2sleep03034397-21kthreadcore07:20:200
3015093992825,1cyclictest0-21swapper/309:20:013
3015093992724,1cyclictest0-21swapper/311:00:193
3015093992623,1cyclictest0-21swapper/309:45:153
3015093992421,1cyclictest0-21swapper/307:20:143
3015093992321,1cyclictest0-21swapper/310:30:013
3015093992320,1cyclictest0-21swapper/312:20:163
3015093992320,1cyclictest0-21swapper/309:25:203
3015093992219,1cyclictest0-21swapper/310:40:183
3015093992219,1cyclictest0-21swapper/308:20:093
301509399214,5cyclictest3280784-21taskset10:20:003
3015093992118,1cyclictest0-21swapper/311:50:183
3015093992118,1cyclictest0-21swapper/311:40:163
3015093992118,1cyclictest0-21swapper/310:00:013
3015093992118,1cyclictest0-21swapper/308:40:193
33190702200,11sleep2431ktimers/210:41:452
3015093992017,1cyclictest0-21swapper/310:55:163
3015093992017,1cyclictest0-21swapper/309:50:143
3015093992017,1cyclictest0-21swapper/309:40:153
3015093992017,1cyclictest0-21swapper/308:19:593
3015093992017,1cyclictest0-21swapper/308:00:053
3015093992017,1cyclictest0-21swapper/307:40:173
301509399201,15cyclictest3187357-21taskset09:20:143
301509399201,14cyclictest3126296-21turbostat08:35:003
301509399201,14cyclictest3023845-21chrt07:15:143
3015093991916,1cyclictest0-21swapper/311:05:143
3015093991916,1cyclictest0-21swapper/310:20:073
3015093991916,1cyclictest0-21swapper/308:25:173
301509399191,14cyclictest3460957-21taskset12:13:193
301509399191,14cyclictest3312162-21taskset10:39:403
301509399191,14cyclictest3164661-21taskset09:04:313
301509399191,14cyclictest3048989-21taskset07:32:063
31059622181,12sleep03105999-21ntpq08:15:220
3015093991815,1cyclictest0-21swapper/312:00:203
3015093991815,1cyclictest0-21swapper/311:20:203
3015093991815,1cyclictest0-21swapper/310:50:283
3015093991815,1cyclictest0-21swapper/310:45:113
301509399181,14cyclictest3249681-21taskset10:00:083
301509399181,14cyclictest0-21swapper/307:55:013
301509399181,13cyclictest3499248-21taskset12:35:313
301509399181,13cyclictest3492106-21taskset12:32:153
301509399181,13cyclictest3452296-21taskset12:05:573
301509399181,13cyclictest3420805-21taskset11:45:333
301509399181,13cyclictest3266144-21taskset10:10:183
301509399181,13cyclictest3216925-21taskset09:36:473
301509399181,13cyclictest3145300-21taskset08:47:433
3015093991714,1cyclictest0-21swapper/311:35:563
3015093991714,1cyclictest0-21swapper/311:33:193
3015093991714,1cyclictest0-21swapper/311:10:243
3015093991714,1cyclictest0-21swapper/308:55:203
301509399171,13cyclictest3484268-21taskset12:27:133
301509399171,13cyclictest3257622-21taskset10:05:123
301509399171,13cyclictest3209005-21taskset09:31:323
301509399171,13cyclictest3094644-21taskset08:10:153
301509399171,13cyclictest3093959-21taskset08:07:093
301509399171,13cyclictest3041887-21taskset07:25:213
301509399171,13cyclictest3021232-21taskset07:12:533
301509399171,12cyclictest3288986-21chrt10:25:133
301509399171,12cyclictest3171344-21taskset09:10:033
301509399171,12cyclictest3049478-21taskset07:35:073
301509399170,14cyclictest3467249-21taskset12:15:233
301509399168,5cyclictest3388824-21taskset11:25:243
301509399162,11cyclictest3151535-21taskset08:51:083
301509399161,12cyclictest3430720-21taskset11:55:153
301509399161,12cyclictest3373623-21taskset11:15:333
301509399161,12cyclictest3126528-21taskset08:35:073
301509399161,12cyclictest3062571-21taskset07:45:173
301509399160,13cyclictest3164962-21taskset09:05:073
301509399160,13cyclictest3075106-21taskset07:55:023
34633352156,6sleep13464343-21kthreadcore12:15:171
32909692150,2sleep00-21swapper/010:25:200
34750272130,3sleep03475158-21ntpq12:20:230
32881602130,7sleep0222-21plymouthd10:23:470
30089102131,7sleep23008943-21apt-get07:05:122
34774182120,9sleep13477537-21sed12:25:011
34053302120,2sleep20-21swapper/211:36:102
33994682120,9sleep03399624-21cat11:35:150
32785192121,8sleep03278567-21ntpq10:15:250
32736662121,8sleep13273236-21/usr/sbin/munin10:15:181
31794272128,2sleep10-21swapper/109:15:171
31638182120,1sleep10-21swapper/109:00:241
30803792120,3sleep03080418-21ntp_states07:55:250
30445022120,9sleep03045418-21cut07:30:200
35002882110,8sleep13500294-21ssh12:38:281
34537042111,7sleep03453730-21munin-run12:09:590
34367882110,8sleep13436794-21ssh11:56:291
33905992111,7sleep13390605-21ssh11:28:561
33600732110,8sleep13359861-21/usr/sbin/munin11:10:141
33571282110,3sleep13357273-21ssh11:05:221
33511862110,8sleep23351192-21ssh11:03:382
32810582111,6sleep13280764-21sendmail-msp10:20:121
32180882111,7sleep03218213-21date09:40:000
31884432110,8sleep13189171-21cut09:20:181
31776042110,8sleep03177611-21ssh09:11:270
31361982111,7sleep00-21swapper/008:40:190
31265312112,6sleep13126564-21apt-get08:35:111
31072382111,7sleep13106953-21apt-get08:20:041
30815422112,5sleep13081575-21apt-get08:00:121
30089462111,5sleep30-21swapper/307:05:133
34904852100,7sleep13490782-21needreboot12:30:221
33736392100,4sleep23373645-21ssh11:15:382
32642802100,4sleep10-21swapper/110:07:481
32188852101,5sleep13218151-21sendmail-msp09:40:181
32110312100,2sleep10-21swapper/109:35:171
31452162102,1sleep1171rcu_preempt08:46:381
31394202102,4sleep23139442-21apt-get08:45:152
31125012101,5sleep03112535-21ntpq08:20:230
30490052100,3sleep1222-21plymouthd07:32:171
3492212290,1sleep20-21swapper/212:32:352
3454069291,4sleep13454071-21apt-get12:10:131
3436781290,6sleep03436787-21ssh11:56:280
3414957291,4sleep03414951-21apt-get11:45:130
3382211290,6sleep03382217-21ssh11:22:290
3374771290,6sleep1222-21plymouthd11:18:451
3350247290,2sleep1222-21plymouthd11:00:561
3334466290,6sleep13334474-21ssh10:50:461
3312820290,7sleep03312863-21fschecks_count10:40:140
3304674290,6sleep20-21swapper/210:35:122
3270227290,6sleep23270584-21grep10:10:222
3256294290,2sleep2222-21plymouthd10:02:162
3185110290,6sleep23185116-21ssh09:15:382
3167060291,5sleep20-21swapper/209:05:192
3138768290,5sleep1222-21plymouthd08:40:281
3126975290,6sleep23127533-21irqrtprio08:35:162
3082008291,5sleep23081316-21sendmail-msp08:00:172
3030274291,5sleep13030237-21/usr/sbin/munin07:20:141
3020480291,4sleep13020515-21ntpq07:10:241
3014807290,1sleep00-21swapper/007:07:590
3483797281,5sleep13171075-21diskmemload12:25:521
3477746281,5sleep03477766-21acpi12:25:120
3473012281,4sleep23469486-21sendmail-msp12:20:212
3467970280,2sleep20-21swapper/212:15:552
3439835280,6sleep23441124-21kthreadcore12:00:202
3429572280,2sleep1222-21plymouthd11:53:091
3428982281,5sleep20-21swapper/211:51:302
3420182281,4sleep23420225-21ntpq11:45:242
3412315281,4sleep03412358-21ntpq11:40:250
3398591283,3sleep2431ktimers/211:34:212
3398525282,3sleep0222-21plymouthd11:34:120
3380675280,4sleep13375276-21sendmail-msp11:20:221
3372946281,4sleep03372991-21ntpq11:15:230
3365110281,4sleep03365159-21ntpq11:10:220
3351700281,4sleep03351839-21date11:05:000
3333744281,4sleep23333788-21ntpq10:50:242
3326292281,5sleep0222-21plymouthd10:45:280
3296042280,1sleep20-21swapper/210:28:512
3288943281,4sleep13288980-21apt-get10:25:131
3279838280,2sleep2222-21plymouthd10:17:432
3272582284,2sleep00-21swapper/010:14:090
3240158281,3sleep2222-21plymouthd09:51:022
3234061281,3sleep13234094-21apt-get09:50:131
3219424281,4sleep23220069-21cut09:40:192
3208960282,3sleep1222-21plymouthd09:31:201
3208083280,1sleep20-21swapper/209:30:252
3180660281,4sleep03182246-21grep09:15:200
3093380281,4sleep23093495-21python308:05:252
3074812280,1sleep20-21swapper/207:54:352
3029162281,4sleep03029266-21python307:15:270
3021095280,1sleep0222-21plymouthd07:11:070
3008904280,3sleep1222-21plymouthd07:05:071
3500501271,2sleep2222-21plymouthd12:39:002
3494846271,3sleep03496454-21grep12:35:180
3468062270,1sleep00-21swapper/012:16:100
3459273271,4sleep23459330-21ssh12:10:222
3452160270,2sleep23452166-21ssh12:05:362
3444927270,1sleep00-21swapper/012:02:140
3426100270,5sleep0222-21plymouthd11:50:200
3414580270,4sleep23414732-21wc11:45:002
3383693270,4sleep23383889-21hddtemp_smartct11:25:162
3375751271,3sleep23375276-21sendmail-msp11:20:142
3366560274,1sleep20-21swapper/211:12:402
3356092271,3sleep03357127-21memory11:05:210
3353430270,4sleep20-21swapper/211:05:192
3312566270,3sleep172-21kcompactd010:40:031
3304868270,4sleep13304679-21/usr/sbin/munin10:35:151
3286110270,1sleep2171rcu_preempt10:20:212
3270707270,4sleep1222-21plymouthd10:10:251
3261044271,4sleep23262640-21sed10:05:202
3256369273,2sleep1331ktimers/110:02:271
3242229271,3sleep0222-21plymouthd09:55:160
3241941270,3sleep13241936-21apt-get09:55:131
3233296270,1sleep23233300-21ssh09:48:452
3225541273,2sleep03171075-21diskmemload09:43:500
3210522270,1sleep20-21swapper/209:35:062
3202351270,1sleep20-21swapper/209:29:452
3202294271,3sleep13202298-21ssh09:29:361
3194078270,1sleep20-21swapper/209:23:342
3177790271,4sleep13170879-21kworker/u16:0+xprtiod09:11:561
3177493270,1sleep20-21swapper/209:11:122
3165004270,3sleep0222-21plymouthd09:05:130
3157931270,2sleep1222-21plymouthd08:56:241
3145779271,3sleep03145932-21df_inode08:50:130
3145287271,3sleep0222-21plymouthd08:47:330
3126261270,4sleep1222-21plymouthd08:34:591
3126246270,1sleep20-21swapper/208:34:482
3119673270,1sleep00-21swapper/008:28:010
3113320270,3sleep2222-21plymouthd08:23:262
3106717270,1sleep20-21swapper/208:17:152
3100559270,1sleep10-21swapper/108:14:591
3094085271,3sleep0222-21plymouthd08:08:490
3088070271,3sleep13088081-21apt-get08:05:131
3081069270,1sleep20-21swapper/207:57:352
3073525270,4sleep13073835-21needreboot07:50:211
3068388270,4sleep0222-21plymouthd07:49:040
3054711270,5sleep00-21swapper/007:35:240
3042700270,3sleep2222-21plymouthd07:28:212
3042243270,4sleep03042466-21users07:25:260
3025945271,3sleep13027711-21kthreadcore07:15:211
3023820270,3sleep2222-21plymouthd07:15:142
3015274270,3sleep23015307-21apt-get07:10:122
3485803260,3sleep03486011-21hddtemp_smartct12:30:170
3477701260,3sleep23477709-21ssh12:25:052
3451502260,3sleep13451547-21ntpq12:05:231
3444391260,3sleep1222-21plymouthd12:00:431
3430569260,1sleep20-21swapper/211:55:152
3421001261,3sleep11000-21snmpd11:46:121
3412360261,3sleep13407035-21/usr/sbin/munin11:40:261
3396547260,3sleep13396595-21gcc11:30:241
3389780261,2sleep0222-21plymouthd11:26:340
3343696260,3sleep03343704-21ssh10:59:440
3343211260,4sleep23343217-21ssh10:58:212
3336298262,2sleep13015086-21cyclictest10:55:121
3335049260,2sleep0222-21plymouthd10:52:210
3320633261,2sleep10-21swapper/110:45:131
3312147261,3sleep00-21swapper/010:39:390
3303838260,1sleep00-21swapper/010:33:330
3302764260,3sleep2222-21plymouthd10:30:352
3296863260,2sleep10-21swapper/110:30:141
3264375260,1sleep00-21swapper/010:08:040
3249745260,4sleep03249815-21ls10:00:140
3243114261,3sleep23244011-21grep09:55:182
3236431260,4sleep03238181-21cut09:50:200
3233341260,1sleep10-21swapper/109:48:511
3226254260,3sleep0222-21plymouthd09:45:010
3208753260,3sleep0222-21plymouthd09:30:470
3202058260,3sleep0222-21plymouthd09:28:580
3193019260,2sleep0222-21plymouthd09:20:370
3170098261,2sleep10-21swapper/109:05:221
3164412261,2sleep20-21swapper/209:01:172
3158113260,3sleep2222-21plymouthd08:58:462
3157876260,1sleep00-21swapper/008:55:510
3151741260,1sleep20-21swapper/208:53:492
3150928260,3sleep13150975-21ntp_states08:50:221
3139075260,3sleep2222-21plymouthd08:44:142
3119515260,2sleep1222-21plymouthd08:25:571
3118890260,3sleep2222-21plymouthd08:25:222
3106608260,2sleep1222-21plymouthd08:15:551
3094485261,2sleep20-21swapper/208:10:152
3083703261,2sleep0222-21plymouthd08:00:190
3074676260,2sleep0222-21plymouthd07:52:490
3068225260,1sleep10-21swapper/107:46:561
3062414260,3sleep23062570-21diskstats07:45:162
3061873260,3sleep2222-21plymouthd07:42:042
3061861260,2sleep0222-21plymouthd07:41:540
3055902261,2sleep10-21swapper/107:40:111
3043099261,2sleep23043132-21apt-get07:30:142
3042508261,2sleep10-21swapper/107:25:511
3454010250,2sleep0222-21plymouthd12:10:080
3399096250,2sleep13399102-21ssh11:35:051
3320546250,2sleep2222-21plymouthd10:45:062
3132339250,2sleep0222-21plymouthd08:35:430
3120094251,2sleep0222-21plymouthd08:30:080
3100218250,2sleep0222-21plymouthd08:10:330
3075154250,2sleep10-21swapper/107:55:131
3050466250,3sleep23051420-21kthreadcore07:35:192
3049521250,2sleep10-21swapper/107:35:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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