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2026-05-02 - 07:45
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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 Sat May 02, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30157982700,2sleep0221rcuc/021:25:180
28548562280,1sleep30-21swapper/319:20:573
2833815992723,2cyclictest2945177-21turbostat20:34:593
2833815992623,1cyclictest0-21swapper/323:55:013
2833815992623,1cyclictest0-21swapper/323:05:173
2833815992623,1cyclictest0-21swapper/320:20:003
2833815992622,1cyclictest0-21swapper/300:10:183
2833815992522,1cyclictest0-21swapper/320:10:003
2833815992521,1cyclictest0-21swapper/320:15:003
2833815992321,1cyclictest0-21swapper/322:20:013
2833815992320,1cyclictest0-21swapper/300:29:593
283381599212,14cyclictest2861463-21taskset19:28:233
2833815992118,1cyclictest0-21swapper/322:50:233
2833815992118,1cyclictest0-21swapper/321:20:043
2833815992118,1cyclictest0-21swapper/321:00:013
2833815992118,1cyclictest0-21swapper/320:20:013
2833815992118,1cyclictest0-21swapper/320:20:003
2833815992017,1cyclictest0-21swapper/323:04:323
2833815992017,1cyclictest0-21swapper/300:30:123
2833815992017,1cyclictest0-21swapper/300:00:003
283381599201,15cyclictest3220772-21taskset23:35:213
283381599201,14cyclictest3215071-21turbostat23:35:003
283381599201,14cyclictest3145372-21taskset22:49:563
283381599201,14cyclictest2887271-21taskset19:49:553
2833815991916,1cyclictest0-21swapper/323:44:273
2833815991916,1cyclictest0-21swapper/321:35:003
2833815991915,1cyclictest0-21swapper/300:00:283
283381599191,14cyclictest3267873-21taskset00:05:333
283381599191,14cyclictest3066219-21taskset21:55:393
283381599191,14cyclictest3066219-21taskset21:55:383
283381599191,14cyclictest2949657-21taskset20:35:173
283381599191,13cyclictest3199550-21taskset23:24:563
2833815991816,1cyclictest0-21swapper/320:05:013
2833815991815,1cyclictest0-21swapper/322:40:023
2833815991815,1cyclictest0-21swapper/321:10:003
2833815991815,1cyclictest0-21swapper/319:35:163
283381599181,13cyclictest3313868-21taskset00:35:193
283381599181,13cyclictest3283487-21taskset00:15:553
283381599181,13cyclictest3204969-21taskset23:25:203
283381599181,13cyclictest3191319-21taskset23:18:383
283381599181,13cyclictest3181982-21taskset23:10:203
283381599181,13cyclictest3160805-21taskset22:59:503
283381599181,13cyclictest3122401-21taskset22:35:083
283381599181,13cyclictest3121011-21taskset22:31:443
283381599181,13cyclictest3113909-21taskset22:28:393
283381599181,13cyclictest3075058-21taskset22:03:453
283381599181,13cyclictest3075058-21taskset22:03:443
283381599181,13cyclictest3059871-21taskset21:54:553
283381599181,13cyclictest3051642-21taskset21:48:223
283381599181,13cyclictest3043342-21taskset21:41:403
283381599181,13cyclictest3036001-21taskset21:37:513
283381599181,13cyclictest2983665-21taskset21:03:003
283381599181,13cyclictest2957842-21taskset20:41:513
283381599181,13cyclictest2899871-21taskset19:55:453
283381599181,13cyclictest2893651-21taskset19:53:003
283381599181,13cyclictest2879022-21taskset19:40:163
283381599181,13cyclictest2848012-21taskset19:15:243
32595372170,7sleep13259584-21ntpq00:00:231
283381599172,12cyclictest3292497-21taskset00:24:253
2833815991715,1cyclictest0-21swapper/319:10:183
2833815991714,1cyclictest0-21swapper/322:20:053
2833815991714,1cyclictest0-21swapper/320:50:013
283381599171,13cyclictest3089480-21taskset22:10:313
283381599171,12cyclictest3076002-21taskset22:05:143
283381599171,12cyclictest3076002-21taskset22:05:133
283381599171,12cyclictest3019904-21taskset21:26:053
283381599171,12cyclictest2996698-21taskset21:11:173
283381599161,12cyclictest2998259-21taskset21:15:093
283381599161,12cyclictest2970754-21taskset20:52:173
283381599161,12cyclictest2938449-21taskset20:25:513
283381599161,12cyclictest2867719-21taskset19:31:383
283381599161,11cyclictest3230865-21taskset23:45:043
283381599161,11cyclictest3230865-21taskset23:45:033
129998160,1rtkit-daemon0-21swapper/221:14:552
29716942156,6sleep12972573-21sed20:55:161
28928382151,5sleep12892878-21ntpq19:50:231
28735742141,10sleep22873675-21mailstats19:35:242
32905222131,9sleep00-21swapper/000:20:220
32542272131,2sleep20-21swapper/200:00:122
32149502131,2sleep10-21swapper/123:34:451
31536642131,9sleep23153854-21ls22:55:172
29378222131,9sleep02937861-21/usr/sbin/munin20:25:210
129998130,9rtkit-daemon3237254-21ssh23:46:530
129998130,9rtkit-daemon3237254-21ssh23:46:520
129998130,9rtkit-daemon2839810-21chrt19:10:582
129998130,8rtkit-daemon2979385-21cat21:00:172
29892912120,9sleep02989340-21ntpq21:05:220
29845042120,2sleep20-21swapper/221:05:152
29725742120,9sleep22973595-21cut20:55:172
28829772120,9sleep22884752-21grep19:45:262
129998120,8rtkit-daemon3027617-21ssh21:30:462
129998120,4rtkit-daemon1000-21snmpd21:37:402
32926602111,7sleep13292670-21cron00:25:001
32837832110,3sleep13283789-21ssh00:16:461
32519902111,7sleep23252189-21/usr/sbin/munin23:55:272
31921482112,5sleep0222-21plymouthd23:20:130
31285242110,8sleep23128528-21ssh22:36:052
30753732110,4sleep13075380-21ssh22:04:451
30753732110,4sleep13075380-21ssh22:04:451
30661752110,1sleep00-21swapper/021:55:330
30661752110,1sleep00-21swapper/021:55:330
29754432110,8sleep02976286-21missed_timers20:55:200
29574472110,8sleep22957712-21grep20:40:312
129998110,7rtkit-daemon3089646-21ssh22:10:570
129998110,3rtkit-daemon3238653-21apt-get23:50:100
32828412100,7sleep03282874-21ntpq00:15:250
32697122101,5sleep0222-21plymouthd00:10:120
32249482104,3sleep13226632-21kthreadcore23:40:181
31981562101,7sleep13198160-21ssh23:20:501
31848542100,7sleep13185024-21cut23:15:161
31767162102,4sleep13176715-21apt-get23:10:111
31521182100,7sleep23152124-21ssh22:52:002
31461872101,6sleep10-21swapper/122:50:151
31043912100,7sleep23104435-21ntpq22:20:212
30977802101,6sleep0222-21plymouthd22:17:100
30661802100,7sleep13066186-21ssh21:55:341
30661802100,7sleep13066186-21ssh21:55:341
29008922101,6sleep10-21swapper/120:00:171
28406962100,7sleep12840388-21munin-node19:15:031
28401352100,7sleep02840693-21kthreadcore19:15:020
129998100,6rtkit-daemon1002-21runrttasks23:09:131
129998100,5rtkit-daemon3116100-21irqstats22:30:151
129998100,5rtkit-daemon222-21plymouthd21:27:452
129998100,5rtkit-daemon222-21plymouthd20:17:302
129998100,4rtkit-daemon2840388-21munin-node19:22:202
129998100,3rtkit-daemon703-21mta-sts-daemon20:21:452
129998100,3rtkit-daemon703-21mta-sts-daemon20:21:442
129998100,2rtkit-daemon222-21plymouthd21:18:092
3308557291,4sleep13308594-21apt-get00:35:111
3299497291,5sleep13299501-21ssh00:27:171
3298276292,4sleep23298320-21ntpq00:25:202
3237621291,5sleep13237627-21ssh23:48:001
3237621291,5sleep13237627-21ssh23:48:001
3168968290,6sleep23169032-21cpuspeed_turbos23:05:112
3167985290,1sleep00-21swapper/023:03:090
2952326290,6sleep02953075-21cut20:40:210
2925604290,1sleep00-21swapper/020:16:190
2912748292,4sleep00-21swapper/020:06:210
2894273290,6sleep02894469-21cut19:55:140
2868254291,4sleep12868287-21apt-get19:35:111
2861857291,4sleep22861890-21apt-get19:30:102
2848736291,5sleep22848768-21munin-run19:20:012
2833985291,5sleep12834078-21tr19:10:141
28338159997,1cyclictest0-21swapper/319:10:013
2833355292,3sleep1222-21plymouthd19:06:371
12999890,6rtkit-daemon364-21systemd-udevd22:28:331
12999890,5rtkit-daemon3112722-21kworker/u16:0+rpciod22:56:501
12999890,5rtkit-daemon3062171-21ssh21:55:172
12999890,5rtkit-daemon3062171-21ssh21:55:162
12999890,4rtkit-daemon3136989-21ssh22:43:061
12999890,3rtkit-daemon3230580-21ssh23:44:590
12999890,1rtkit-daemon222-21plymouthd20:10:532
3311282281,4sleep03313045-21ssh00:35:180
3308599281,3sleep20-21swapper/200:35:122
3306883280,2sleep2222-21plymouthd00:31:032
3291356283,3sleep2431ktimers/200:21:092
3270803284,2sleep13271769-21kthreadcore00:10:171
3251679281,4sleep13251722-21ntpq23:55:221
3244554280,1sleep1222-21plymouthd23:50:291
3236983280,2sleep23236989-21ssh23:46:092
3236983280,2sleep23236989-21ssh23:46:092
3221909280,2sleep1222-21plymouthd23:37:181
3191360281,4sleep23191366-21ssh23:18:462
3176022280,1sleep00-21swapper/023:09:010
3164789281,3sleep13166310-21grep23:00:211
3154511280,5sleep03155545-21kthreadcore22:55:180
3130157280,4sleep0222-21plymouthd22:40:120
3114681281,4sleep23114705-21apt-get22:30:102
3068065281,4sleep23068071-21ssh22:00:132
3068065281,4sleep23068071-21ssh22:00:132
3059313281,4sleep13059319-21ssh21:53:221
3055055280,5sleep23056860-21cut21:50:172
3050148281,3sleep03050177-21ntpq21:45:230
3049923281,4sleep13050047-21ntpq21:45:201
3040494280,6sleep03042105-21latency21:40:180
3027988280,2sleep1222-21plymouthd21:31:571
3019153281,4sleep13019194-21ntp_states21:25:241
3012583280,1sleep0222-21plymouthd21:22:210
3004352280,4sleep134-21ksoftirqd/121:15:571
2983732280,2sleep0222-21plymouthd21:03:540
2944939282,3sleep1222-21plymouthd20:32:241
2927586280,5sleep12928721-21kthreadcore20:20:171
2927586280,5sleep12928721-21kthreadcore20:20:171
2919758281,3sleep10-21swapper/120:15:111
2868449281,4sleep02868572-21gltestperf19:35:140
2867740281,3sleep1222-21plymouthd19:31:541
2850672280,2sleep00-21swapper/019:20:150
2833960281,3sleep02833982-21apt-get19:10:120
12999880,5rtkit-daemon703-21mta-sts-daemon20:03:032
12999880,5rtkit-daemon2840388-21munin-node19:50:362
12999880,5rtkit-daemon1-21systemd19:05:072
12999880,5rtkit-daemon1000-21snmpd23:27:110
12999880,4rtkit-daemon703-21mta-sts-daemon23:30:100
12999880,4rtkit-daemon703-21mta-sts-daemon19:40:142
12999880,4rtkit-daemon703-21mta-sts-daemon00:30:220
12999880,4rtkit-daemon3122416-21ssh22:35:111
12999880,4rtkit-daemon3051782-21ssh21:48:462
12999880,4rtkit-daemon3012337-21ssh21:21:352
12999880,4rtkit-daemon2840388-21munin-node20:35:062
12999880,4rtkit-daemon222-21plymouthd19:56:472
12999880,4rtkit-daemon2195379-21ntpd23:36:140
12999880,4rtkit-daemon1-21systemd21:40:142
12999880,4rtkit-daemon1-21systemd20:26:052
12999880,4rtkit-daemon1-21systemd20:05:582
12999880,4rtkit-daemon0-21swapper/122:21:101
12999880,3rtkit-daemon222-21plymouthd19:25:362
3307368270,1sleep1222-21plymouthd00:32:301
3293401271,3sleep00-21swapper/000:25:150
3267308271,3sleep23267361-21ntp_states00:05:292
3262552271,4sleep00-21swapper/000:05:220
3245136270,1sleep20-21swapper/223:52:102
3230138270,1sleep2222-21plymouthd23:43:402
3215573271,3sleep23215756-21gltestperf23:35:132
3212901271,3sleep23212944-21ntpq23:30:212
3207056270,4sleep13207060-21ssh23:29:201
3206284271,3sleep2222-21plymouthd23:27:032
3176719271,3sleep23176864-21df23:10:122
3144718271,4sleep2222-21plymouthd22:47:592
3121952270,1sleep00-21swapper/022:34:300
3109277270,4sleep23110982-21ssh22:25:182
3097610270,1sleep10-21swapper/122:16:431
3090229270,1sleep10-21swapper/122:12:461
3089991270,1sleep20-21swapper/222:12:032
3082580271,3sleep2222-21plymouthd22:07:582
3082580271,3sleep2222-21plymouthd22:07:582
3037062271,3sleep1222-21plymouthd21:40:101
3036186270,1sleep10-21swapper/121:38:231
3013231270,5sleep10-21swapper/121:24:191
2960134271,3sleep12961896-21cut20:45:181
2939740271,3sleep20-21swapper/220:30:162
2926222271,3sleep00-21swapper/020:20:120
2926222271,3sleep00-21swapper/020:20:120
2912707270,1sleep10-21swapper/120:05:491
2894076270,4sleep1222-21plymouthd19:55:121
2886447271,3sleep02886524-21ps19:45:310
2879772271,3sleep02879882-21ntpq19:40:190
2833460271,2sleep00-21swapper/019:07:560
12999870,4rtkit-daemon703-21mta-sts-daemon22:05:480
12999870,4rtkit-daemon703-21mta-sts-daemon22:05:470
12999870,4rtkit-daemon1000-21snmpd20:50:032
12999870,3rtkit-daemon3137707-21pool-022:45:011
12999870,3rtkit-daemon3074259-21ssh22:01:210
12999870,3rtkit-daemon3074259-21ssh22:01:210
12999870,3rtkit-daemon222-21plymouthd20:45:122
12999870,3rtkit-daemon1-21systemd23:55:090
12999870,3rtkit-daemon1-21systemd00:05:341
12999870,3rtkit-daemon1-21systemd00:00:030
3284682260,4sleep23284688-21ssh00:19:272
3189711260,3sleep03189757-21ntpq23:15:240
3180567260,3sleep03181793-21memory23:10:180
3167582261,3sleep23167586-21ssh23:01:552
3143434260,2sleep00-21swapper/022:45:250
3131606261,3sleep23133166-21kthreadcore22:40:172
3127722260,3sleep03127754-21ntpq22:35:220
3113771260,3sleep0222-21plymouthd22:28:170
3099042261,3sleep03098789-21sendmail-msp22:20:020
3098676260,3sleep2222-21plymouthd22:19:532
3081849260,3sleep13081855-21ssh22:05:491
3081849260,3sleep13081855-21ssh22:05:491
3057870260,3sleep03057980-21cut21:50:240
3030939260,3sleep03032549-21tr21:35:170
3026979260,3sleep03027014-21awk21:30:230
2997128260,4sleep12997132-21ssh21:12:371
2979087261,2sleep10-21swapper/121:00:181
2970746260,1sleep00-21swapper/020:52:110
2958353260,1sleep00-21swapper/020:45:050
2957785260,2sleep1222-21plymouthd20:41:061
2945451261,2sleep10-21swapper/120:35:121
2945410260,1sleep00-21swapper/020:35:060
2934995260,3sleep12936838-21cut20:25:181
2881155260,3sleep12881303-21df19:45:211
2876089261,2sleep1222-21plymouthd19:40:161
2867766260,1sleep00-21swapper/019:32:140
2861245260,1sleep00-21swapper/019:25:360
2855479260,3sleep1222-21plymouthd19:25:131
2849014260,2sleep10-21swapper/119:20:031
3271770250,2sleep23273453-21kthreadcore00:10:182
3198857251,1sleep20-21swapper/223:22:552
3145704250,2sleep00-21swapper/022:50:100
2998687250,3sleep00-21swapper/021:15:160
2996583250,2sleep0222-21plymouthd21:10:590
2989936250,2sleep1222-21plymouthd21:06:311
2970663250,2sleep1222-21plymouthd20:51:081
2944821250,2sleep0222-21plymouthd20:30:540
2919143250,2sleep1222-21plymouthd20:11:031
2913333250,3sleep00-21swapper/020:10:100
2906402250,2sleep0222-21plymouthd20:02:160
2888465250,2sleep02889362-21grep19:50:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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