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2025-11-28 - 21:55
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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 Fri Nov 28, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3043679992421,1cyclictest0-21swapper/308:35:013
3043679992420,1cyclictest0-21swapper/310:05:003
3043679992320,1cyclictest0-21swapper/309:00:003
3043679992219,1cyclictest0-21swapper/311:50:133
3043679992219,1cyclictest0-21swapper/310:10:013
3043679992219,1cyclictest0-21swapper/308:25:023
3043679992219,1cyclictest0-21swapper/308:00:123
3043679991916,1cyclictest0-21swapper/311:00:163
3043679991916,1cyclictest0-21swapper/309:10:143
3043679991915,1cyclictest0-21swapper/312:05:003
304367999191,13cyclictest3439794-21chrt11:40:013
31720012180,1sleep23172023-21apt-get08:50:122
304367999187,7cyclictest32696882sleep309:55:143
3043679991815,1cyclictest0-21swapper/312:10:003
3043679991815,1cyclictest0-21swapper/310:40:143
3043679991815,1cyclictest0-21swapper/310:35:203
3043679991815,1cyclictest0-21swapper/309:00:133
304367999181,13cyclictest3320969-21taskset10:25:183
304367999181,13cyclictest3234636-21chrt09:30:243
304367999181,13cyclictest3089396-21taskset07:40:233
304367999180,14cyclictest3226786-21chrt09:25:243
304367999180,13cyclictest3064892-21sleep07:25:003
32214302171,5sleep13221612-21if_eno209:25:141
304367999177,7cyclictest35355652sleep312:38:093
304367999177,6cyclictest33326772sleep310:31:363
3043679991714,1cyclictest0-21swapper/312:25:073
3043679991714,1cyclictest0-21swapper/310:15:163
3043679991714,1cyclictest0-21swapper/309:10:013
3043679991714,1cyclictest0-21swapper/308:35:143
304367999171,13cyclictest3237772-21taskset09:35:173
304367999171,12cyclictest3173560-21taskset08:50:163
304367999171,12cyclictest3146486-21chrt08:27:323
304367999170,13cyclictest3429169-21chrt11:30:223
304367999170,13cyclictest3366693-21turbostat10:55:013
304367999170,13cyclictest3253049-21turbostat09:45:003
304367999166,7cyclictest3096650-21taskset07:50:133
3043679991614,1cyclictest0-21swapper/309:50:173
3043679991614,1cyclictest0-21swapper/309:50:173
3043679991613,1cyclictest0-21swapper/311:15:143
3043679991612,1cyclictest0-21swapper/307:10:183
304367999161,12cyclictest3510828-21taskset12:22:003
304367999161,12cyclictest3454984-21taskset11:48:153
304367999161,12cyclictest3446674-21taskset11:42:493
304367999161,12cyclictest3397027-21taskset11:10:353
304367999161,12cyclictest3390846-21turbostat11:09:593
304367999161,12cyclictest3358114-21chrt10:49:233
304367999161,12cyclictest3316114-21chrt10:20:333
304367999161,12cyclictest3219442-21taskset09:21:423
304367999161,12cyclictest3165269-21taskset08:42:273
304367999161,12cyclictest3133716-21taskset08:17:263
304367999161,12cyclictest3127397-21chrt08:11:293
304367999161,12cyclictest3108648-21taskset07:56:583
304367999161,12cyclictest3077043-21chrt07:30:343
304367999161,11cyclictest3083306-21taskset07:35:403
304367999160,13cyclictest3260773-21chrt09:49:153
304367999160,13cyclictest3121238-21chrt08:07:483
3043679991513,1cyclictest0-21swapper/307:15:023
3043679991512,1cyclictest0-21swapper/310:55:133
304367999151,12cyclictest3495161-21taskset12:13:063
304367999151,12cyclictest3471688-21chrt11:59:493
304367999151,12cyclictest3471688-21chrt11:59:483
304367999151,11cyclictest3496220-21taskset12:15:073
304367999151,11cyclictest3415317-21taskset11:24:573
304367999151,11cyclictest3294169-21chrt10:10:073
304367999151,11cyclictest3090347-21taskset07:45:093
304367999151,11cyclictest3065117-21taskset07:25:103
304367999150,9cyclictest3415367-21sleep11:29:553
304367999150,12cyclictest3520505-21chrt12:30:143
304367999150,12cyclictest3211188-21chrt09:16:143
304367999150,12cyclictest3171745-21turbostat08:50:003
33489932130,10sleep13349001-21ssh10:42:011
31144692130,9sleep13109161-21/usr/sbin/munin08:00:231
33328972123,5sleep23285104-21kworker/u16:0+nfsiod10:32:112
147598120,8rtkit-daemon720-21snmpd12:16:482
147598120,7rtkit-daemon3439758-21cat11:40:001
147598120,7rtkit-daemon3184262-21cron09:00:001
147598120,4rtkit-daemon3349841-21ssh10:43:520
34942882110,8sleep23494292-21ssh12:11:062
34534122111,8sleep23453536-21wc11:45:252
34252832110,8sleep10-21swapper/111:30:171
34156092111,7sleep13415611-21ssh11:25:051
33107442111,7sleep23311620-21irqrtprio10:20:132
31145802110,9sleep23109161-21/usr/sbin/munin08:00:232
147598110,7rtkit-daemon3204101-21sh09:13:211
35126342100,7sleep13512733-21fschecks_time12:25:121
35060662100,7sleep03507985-21kthreadcore12:20:180
34690632101,6sleep13469206-21netstat11:55:191
34690632101,6sleep13469206-21netstat11:55:181
34634722101,6sleep23463478-21ssh11:54:272
33985972100,7sleep23398605-21ssh11:14:192
33257272100,7sleep13325735-21ssh10:29:141
32751312101,6sleep23275370-21grep09:55:252
32362252100,7sleep13236233-21ssh09:33:231
32355512100,7sleep03235559-21ssh09:31:470
31968062100,7sleep23196889-21cat09:10:012
30778432106,2sleep2431ktimers/207:35:142
147598100,6rtkit-daemon476-21wpa_supplicant10:13:430
147598100,6rtkit-daemon3406972-21apt-get11:20:012
147598100,5rtkit-daemon214-21plymouthd11:52:151
147598100,1rtkit-daemon0-21swapper/108:16:041
3489644290,6sleep03490901-21cat12:10:160
3477888290,1sleep20-21swapper/212:00:282
3441341290,7sleep03443062-21kthreadcore11:40:180
3366998291,4sleep13367033-21apt-get10:55:111
3310478290,6sleep03310532-21uniq10:20:120
3293748290,7sleep03196814-21diskmemload10:09:450
3244402292,4sleep13064710-21kworker/u16:2+xprtiod09:38:401
3185535290,6sleep13186712-21cut09:00:171
3141107290,6sleep13141785-21irqrtprio08:25:151
3123064290,6sleep03124808-21cut08:10:150
3043531291,4sleep03043554-21munin-run07:10:010
3039911291,5sleep13041989-21kthreadcore07:05:211
14759890,5rtkit-daemon3420392-21kthreadcore11:25:212
14759890,4rtkit-daemon3385726-21cut11:05:172
14759890,4rtkit-daemon214-21plymouthd07:40:451
14759890,4rtkit-daemon214-21plymouthd07:15:031
14759890,3rtkit-daemon22110-21packagekitd08:07:221
14759890,2rtkit-daemon214-21plymouthd12:23:111
14759890,2rtkit-daemon214-21plymouthd09:22:352
3528024281,4sleep03528028-21ssh12:34:320
3510229281,4sleep23502217-21kworker/u16:3+xprtiod12:20:362
3464000281,4sleep23464028-21ssh11:55:112
3464000281,4sleep23464028-21ssh11:55:112
3412599281,4sleep03412766-21/usr/sbin/munin11:20:180
3326439281,3sleep03326476-21apt-get10:30:140
3196247281,4sleep03196442-21users09:05:250
3189730280,1sleep20-21swapper/209:00:382
3170920281,4sleep03171044-21python308:45:220
3161926280,5sleep13163999-21kthreadcore08:40:171
3159191280,2sleep0214-21plymouthd08:39:490
3149464280,5sleep244-21ksoftirqd/208:30:172
3148326280,3sleep13149462-21cut08:30:161
3136605280,5sleep23138674-21kthreadcore08:20:202
3089114282,3sleep03089217-21/usr/sbin/munin07:40:220
3071395281,3sleep03071417-21apt-get07:30:110
3066624280,6sleep23068585-21kthreadcore07:25:182
3054790280,5sleep03056821-21grep07:15:170
14759880,4rtkit-daemon730-21ntpd09:27:242
14759880,4rtkit-daemon729-21lldpd11:17:170
14759880,4rtkit-daemon3454485-21ssh11:47:071
14759880,4rtkit-daemon3261602-21ssh09:50:061
14759880,4rtkit-daemon3261602-21ssh09:50:051
14759880,4rtkit-daemon3247059-21cat09:40:171
14759880,4rtkit-daemon3050303-21munin-node12:32:301
14759880,4rtkit-daemon3050303-21munin-node07:35:471
14759880,4rtkit-daemon214-21plymouthd10:57:000
14759880,4rtkit-daemon214-21plymouthd10:26:182
14759880,4rtkit-daemon214-21plymouthd09:59:201
14759880,4rtkit-daemon214-21plymouthd07:50:131
14759880,4rtkit-daemon1-21systemd10:40:152
14759880,4rtkit-daemon1-21systemd09:18:592
14759880,4rtkit-daemon1-21systemd07:55:101
14759880,3rtkit-daemon3208159-21kthreadcore09:15:191
14759880,1rtkit-daemon0-21swapper/211:02:122
14759880,1rtkit-daemon0-21swapper/110:35:111
3513862270,5sleep03515251-21kthreadcore12:25:150
3479788270,4sleep13479795-21cron12:05:001
3462210271,3sleep03462218-21ssh11:51:330
3430445270,1sleep20-21swapper/211:32:392
3429922270,4sleep03429930-21ssh11:31:250
3405026270,5sleep13196814-21diskmemload11:15:321
3398099270,5sleep10-21swapper/111:13:101
3374738271,3sleep23374809-21munin-run11:00:012
3361600271,4sleep23363625-21ssh10:50:202
3341225270,1sleep00-21swapper/010:37:420
3314764270,4sleep13315374-21sed10:20:161
3309949271,4sleep13309975-21systemctl10:20:001
3308222270,1sleep20-21swapper/210:15:562
3260487271,3sleep23260495-21sshd09:48:392
3250487271,3sleep03250570-21ntp_states09:40:210
3229634271,3sleep20-21swapper/209:30:162
3228309270,1sleep00-21swapper/009:28:410
3214554271,3sleep10-21swapper/109:20:171
3183929270,1sleep20-21swapper/208:55:462
3178254270,3sleep03178287-21apt-get08:55:110
3165729270,3sleep23165762-21apt-get08:45:112
3165366270,4sleep0720-21snmpd08:43:410
3164003270,4sleep23159486-21/usr/sbin/munin08:40:182
3141787271,4sleep20-21swapper/208:25:162
3127942271,4sleep00-21swapper/008:15:120
3115620270,4sleep03115820-21hddtemp_smartct08:05:140
3108826270,1sleep20-21swapper/207:59:192
3071420271,3sleep13071575-21diskstats07:30:121
3037589270,3sleep30-21swapper/307:05:143
14759870,4rtkit-daemon730-21ntpd11:00:220
14759870,4rtkit-daemon720-21snmpd10:50:390
14759870,4rtkit-daemon720-21snmpd08:36:281
14759870,4rtkit-daemon3050303-21munin-node11:15:012
14759870,4rtkit-daemon214-21plymouthd08:53:271
14759870,3rtkit-daemon730-21ntpd08:48:111
14759870,3rtkit-daemon720-21snmpd08:10:111
14759870,3rtkit-daemon3050303-21munin-node10:03:500
14759870,3rtkit-daemon214-21plymouthd10:45:120
14759870,3rtkit-daemon214-21plymouthd08:21:081
14759870,3rtkit-daemon1540-21sendmail-mta10:15:170
14759870,3rtkit-daemon1-21systemd12:06:172
14759870,3rtkit-daemon1-21systemd11:41:531
14759870,3rtkit-daemon1-21systemd10:01:211
14759870,3rtkit-daemon1-21systemd07:22:301
14759870,2rtkit-daemon214-21plymouthd12:35:171
14759870,2rtkit-daemon214-21plymouthd07:45:091
14759870,2rtkit-daemon214-21plymouthd07:29:571
14759870,1rtkit-daemon0-21swapper/107:11:231
3535887260,1sleep00-21swapper/012:38:570
3527943260,1sleep20-21swapper/212:34:222
3518295260,1sleep20-21swapper/212:25:382
3503613260,1sleep10-21swapper/112:19:081
3498840260,4sleep03500847-21cut12:15:170
3480186260,3sleep03480346-21diskstats12:05:160
3454387260,1sleep00-21swapper/011:46:510
3437233260,3sleep23437372-21sed11:35:242
3422263260,1sleep00-21swapper/011:27:240
3407577261,2sleep10-21swapper/111:20:111
3390865260,1sleep00-21swapper/011:10:010
3383204260,3sleep13383272-21cpuspeed_turbos11:05:131
3383160260,3sleep03383199-21apt-get11:05:130
3366053260,1sleep10-21swapper/110:53:341
3357272261,3sleep20-21swapper/210:47:302
3350650261,2sleep10-21swapper/110:45:131
3339814260,4sleep23339924-21sed10:35:202
3327848260,4sleep10-21swapper/110:30:191
3299550261,2sleep20-21swapper/210:10:232
3292785260,1sleep20-21swapper/210:07:282
3291390261,2sleep13291470-21processes10:05:211
3269156261,3sleep23064710-21kworker/u16:2+xprtiod09:54:292
3269156261,3sleep23064710-21kworker/u16:2+xprtiod09:54:282
3267749260,1sleep00-21swapper/009:51:180
3267749260,1sleep00-21swapper/009:51:180
3251506260,1sleep20-21swapper/209:41:262
3244737260,1sleep20-21swapper/209:39:292
3244082260,1sleep00-21swapper/009:37:590
3213126260,4sleep03213168-21ssh09:20:120
3210923260,1sleep00-21swapper/009:15:390
3204633260,1sleep00-21swapper/009:14:390
3204496260,1sleep20-21swapper/209:14:212
3184941261,2sleep03185534-21irqrtprio09:00:160
3158302260,3sleep23158366-21ntp_states08:35:182
3147384261,2sleep00-21swapper/008:30:150
3133633260,1sleep20-21swapper/208:16:262
3114831260,1sleep00-21swapper/008:00:420
3096614260,3sleep23096647-21apt-get07:50:132
3083603260,1sleep00-21swapper/007:37:210
3065514260,3sleep03065664-21cut07:25:150
3058034260,1sleep20-21swapper/207:15:242
3049216261,3sleep23049275-21ntp_states07:10:222
14759860,3rtkit-daemon730-21ntpd09:05:041
14759860,3rtkit-daemon214-21plymouthd09:45:581
3528508250,3sleep20-21swapper/212:35:032
3471539250,3sleep00-21swapper/011:59:310
3471539250,3sleep00-21swapper/011:59:300
3447261252,1sleep20-21swapper/211:44:132
3433239250,2sleep00-21swapper/011:35:170
3301016250,3sleep10-21swapper/110:12:591
3283083250,3sleep23283116-21awk10:00:212
3271118250,3sleep03272652-21cut09:55:180
3261006250,3sleep00-21swapper/009:49:530
3134194250,2sleep00-21swapper/008:20:130
3116266250,2sleep20-21swapper/208:05:162
3105987250,3sleep03107828-21sed07:55:160
3092588250,2sleep00-21swapper/007:45:180
3086432250,3sleep23088507-21kthreadcore07:40:192
3077250250,3sleep20-21swapper/207:33:142
3064134250,3sleep23064243-21find07:20:242
3044500250,3sleep0221rcuc/007:10:160
3043184250,3sleep20-21swapper/207:05:332
3490902240,1sleep10-21swapper/112:10:171
3486364240,2sleep13486372-21ssh12:06:331
3477903240,2sleep00-21swapper/012:00:300
3381592240,1sleep10-21swapper/111:02:081
3324734240,3sleep00-21swapper/010:26:520
3177676240,3sleep00-21swapper/008:50:540
3145001240,2sleep00-21swapper/008:25:180
3102619240,2sleep03102639-21awk07:55:010
3090755240,2sleep20-21swapper/207:45:162
3060002240,2sleep00-21swapper/007:20:180
3121409230,1sleep20-21swapper/208:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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