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2026-06-23 - 21:47
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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 all highest latencies:
System rackeslot2.osadl.org (updated Tue Jun 23, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26503702990,2sleep30-21swapper/312:30:103
26401622980,1sleep20-21swapper/212:25:002
23563552670,1sleep02356353-21ssh09:15:000
25056002280,1sleep30-21swapper/310:55:033
2200381992724,2cyclictest0-21swapper/112:40:021
2200382992523,1cyclictest0-21swapper/207:30:022
2200382992522,1cyclictest0-21swapper/209:10:022
2200381992515,4cyclictest1237-21mta-sts-daemon11:27:431
2200380992516,5cyclictest660-21dbus-daemon12:40:010
220038199249,5cyclictest0-21swapper/112:20:051
2200380992420,2cyclictest2245849-21sh07:45:030
2200382992321,1cyclictest0-21swapper/210:05:012
2200382992219,1cyclictest0-21swapper/212:35:022
2200381992216,2cyclictest67250irq/126-eno112:15:011
2200380992212,6cyclictest2574381-21kthreadcore11:40:100
2200380992211,6cyclictest0-21swapper/007:20:030
2200380992211,6cyclictest0-21swapper/007:20:030
25386362210,2sleep20-21swapper/211:15:102
2200382992119,1cyclictest0-21swapper/209:05:032
2200381992118,2cyclictest2343763-21df09:05:031
2200380992117,2cyclictest2233087-21/usr/sbin/munin07:35:030
2200380992112,5cyclictest0-21swapper/012:10:040
2200380992110,6cyclictest0-21swapper/010:30:030
2200382992018,1cyclictest0-21swapper/212:20:012
2200382992018,1cyclictest0-21swapper/209:55:022
2200382992016,1cyclictest0-21swapper/211:50:032
2200381992017,2cyclictest2595441-21aten2.4-expect11:55:011
2200381992017,2cyclictest2595441-21aten2.4-expect11:55:011
2200381992017,2cyclictest2446188-21sh10:15:021
2200381992017,2cyclictest2423675-21latency_hist10:00:011
2200381992017,2cyclictest2270167-21/usr/sbin/munin08:05:021
2200381992015,2cyclictest1247-21mta-sts-daemon07:50:151
220038099209,10cyclictest2542438-21/usr/sbin/munin11:20:130
2200380992017,2cyclictest2281996-21cron08:15:000
2200380992017,2cyclictest2239356-21acpi07:40:020
2200380992011,5cyclictest2476036-21aten2.4-expect10:35:040
220038099200,5cyclictest0-21swapper/011:55:000
220038099200,5cyclictest0-21swapper/011:55:000
492398190,4rtkit-daemon0-21swapper/107:48:021
3153791191,6phc2sys0-21swapper/307:45:033
2200382991917,1cyclictest0-21swapper/209:20:032
2200382991916,1cyclictest0-21swapper/211:45:022
2200382991916,1cyclictest0-21swapper/210:15:032
2200382991916,1cyclictest0-21swapper/208:40:012
220038199198,3cyclictest501rcuop/211:40:561
2200381991916,2cyclictest2632717-21apt-key12:20:021
2200381991916,2cyclictest2393738-21apt-get09:40:021
2200381991916,2cyclictest2337295-21ls09:00:021
2200381991916,2cyclictest2330808-21sh08:55:011
2200381991916,2cyclictest1-21systemd10:55:031
2200381991916,2cyclictest0-21swapper/109:55:021
220038199190,4cyclictest2460959-21munin-run10:25:021
220038099199,6cyclictest2356791-21aten_repower_fr09:15:030
220038099199,6cyclictest0-21swapper/012:35:000
220038099199,5cyclictest0-21swapper/011:45:080
220038099199,5cyclictest0-21swapper/009:20:100
220038099195,8cyclictest2610476-1cat12:05:030
220038099192,8cyclictest2200378-21cyclictest10:10:030
2200380991916,2cyclictest2565280-21/usr/sbin/munin11:35:020
2200380991916,2cyclictest2431130-21/usr/sbin/munin10:05:020
3153791181,3phc2sys0-21swapper/308:40:023
2200382991816,1cyclictest0-21swapper/211:40:012
2200382991816,1cyclictest0-21swapper/211:30:032
2200382991816,1cyclictest0-21swapper/210:30:022
2200382991816,1cyclictest0-21swapper/210:30:022
2200382991816,1cyclictest0-21swapper/210:20:032
2200382991815,1cyclictest0-21swapper/212:30:012
2200382991815,1cyclictest0-21swapper/207:20:012
2200382991815,1cyclictest0-21swapper/207:20:012
220038199188,1cyclictest191rcu_preempt10:30:031
220038199188,1cyclictest191rcu_preempt10:30:031
2200381991815,2cyclictest781-21gmain07:25:031
2200381991815,2cyclictest2549111-21runrttasks11:21:571
2200381991815,2cyclictest2359557-21kthreadcore09:15:111
2200381991815,2cyclictest0-21swapper/111:40:041
2200381991813,4cyclictest1-21systemd08:15:011
220038099188,6cyclictest0-21swapper/011:10:060
2200380991815,2cyclictest2645553-21mailstats12:25:140
2200380991815,2cyclictest2431353-21aten2.4-expect10:05:030
2200380991815,2cyclictest2417191-21sh09:55:060
2200380991815,2cyclictest2412131-21kthreadcore09:50:110
2200380991815,2cyclictest2336896-21cat09:00:010
2200380991815,2cyclictest2200378-21cyclictest11:05:010
2200380991815,2cyclictest0-21swapper/008:40:020
2200380991810,4cyclictest2501024-21kthreadcore10:50:110
3153791171,1phc2sys0-21swapper/309:25:103
2200382991715,1cyclictest0-21swapper/207:35:012
2200382991714,1cyclictest0-21swapper/208:50:022
2200382991714,1cyclictest0-21swapper/207:50:012
2200382991713,2cyclictest24757542sleep210:35:032
220038199178,3cyclictest501rcuop/210:19:081
220038199177,3cyclictest501rcuop/210:08:061
2200381991714,2cyclictest2617743-21acpi12:10:021
2200381991714,2cyclictest2535404-21latency_hist11:15:021
2200381991714,2cyclictest1247-21mta-sts-daemon10:55:141
2200381991714,2cyclictest0-21swapper/111:30:141
2200381991714,2cyclictest0-21swapper/110:35:021
220038099178,5cyclictest2388306-21kthreadcore09:35:100
220038099177,6cyclictest0-21swapper/011:10:010
220038099177,6cyclictest0-21swapper/009:30:010
2200380991714,2cyclictest2498105-21systemd-run10:50:030
2200380991714,2cyclictest2318545-21cron08:45:010
2200380991714,2cyclictest2227122-21acpi07:30:020
2200380991714,2cyclictest1-21systemd09:45:010
2200380991714,2cyclictest0-21swapper/011:55:140
2200380991714,2cyclictest0-21swapper/011:35:030
2200380991714,2cyclictest0-21swapper/009:10:030
2200380991711,5cyclictest2220034-21ptp4l07:20:130
2200380991710,6cyclictest1237-21mta-sts-daemon07:10:060
2200380991710,2cyclictest2258026-21munin-run07:55:020
3153791160,2phc2sys0-21swapper/309:23:013
3153791160,2phc2sys0-21swapper/309:17:413
3153791160,2phc2sys0-21swapper/308:05:143
2200382991614,1cyclictest0-21swapper/208:55:012
2200382991614,1cyclictest0-21swapper/208:15:022
2200382991613,1cyclictest0-21swapper/211:15:022
2200382991613,1cyclictest0-21swapper/209:40:092
2200382991613,1cyclictest0-21swapper/208:25:122
220038199169,5cyclictest2274526-21tr08:05:111
220038199169,1cyclictest601rcuop/311:19:321
220038199169,1cyclictest601rcuop/309:27:581
220038199167,3cyclictest501rcuop/211:49:301
220038199167,3cyclictest501rcuop/209:10:301
2200381991615,1cyclictest0-21swapper/110:02:041
2200381991614,1cyclictest0-21swapper/112:30:021
2200381991613,2cyclictest2653796-21runrttasks12:31:281
2200381991613,2cyclictest2608142-21mailstats12:00:151
2200381991613,2cyclictest2514150-21irqrtprio11:00:091
2200381991613,2cyclictest2293311-21pmu-power08:20:121
2200381991613,2cyclictest2282318-21sort08:15:021
2200381991613,2cyclictest2209665-21gltestperf07:15:091
2200381991613,2cyclictest2209665-21gltestperf07:15:091
2200381991613,2cyclictest0-21swapper/111:55:131
2200381991613,2cyclictest0-21swapper/107:10:021
2200381991612,3cyclictest2238331-21sendmail_mailqu07:35:141
2200381991611,2cyclictest1247-21mta-sts-daemon10:39:561
220038099169,4cyclictest2454568-21ssh10:20:070
220038099165,6cyclictest0-21swapper/010:55:120
220038099161,8cyclictest2408964-21munin-run09:50:030
2200380991613,2cyclictest660-21dbus-daemon12:25:010
2200380991613,2cyclictest2611835-21sed12:05:100
2200380991613,2cyclictest2295412-21irqcore08:25:090
2200380991613,2cyclictest2288431-21head08:20:020
2200380991610,5cyclictest0-21swapper/008:25:010
3153791151,2phc2sys0-21swapper/311:28:193
3153791151,2phc2sys0-21swapper/309:40:013
3153791150,3phc2sys0-21swapper/311:55:003
3153791150,3phc2sys0-21swapper/311:55:003
3153791150,2phc2sys0-21swapper/311:37:333
3153791150,2phc2sys0-21swapper/311:31:063
3153791150,2phc2sys0-21swapper/307:53:263
2200382991513,1cyclictest0-21swapper/211:55:022
2200382991513,1cyclictest0-21swapper/211:55:022
2200382991513,1cyclictest0-21swapper/211:05:082
2200382991513,1cyclictest0-21swapper/210:25:032
2200382991513,1cyclictest0-21swapper/208:20:022
2200382991513,1cyclictest0-21swapper/208:05:002
2200382991513,1cyclictest0-21swapper/207:55:112
2200382991512,2cyclictest0-21swapper/209:20:162
2200382991512,1cyclictest0-21swapper/212:00:092
2200382991512,1cyclictest0-21swapper/210:10:012
2200382991512,1cyclictest0-21swapper/209:45:092
2200382991512,1cyclictest0-21swapper/208:40:102
2200382991512,1cyclictest0-21swapper/207:40:042
2200382991512,1cyclictest0-21swapper/207:15:012
2200382991511,2cyclictest0-21swapper/209:25:102
2200382991511,2cyclictest0-21swapper/208:30:132
220038199159,1cyclictest601rcuop/311:07:221
220038199156,3cyclictest501rcuop/210:41:561
220038199154,3cyclictest2397212-21cut09:40:101
220038199153,4cyclictest0-21swapper/107:11:001
2200381991512,2cyclictest765-1atopacctd09:10:021
2200381991512,2cyclictest660-21dbus-daemon09:50:011
2200381991512,2cyclictest2496102-21timerwakeupswit10:45:171
2200381991512,2cyclictest1-21systemd07:22:271
2200381991511,3cyclictest2200378-21cyclictest07:30:101
2200381991510,1cyclictest191rcu_preempt09:22:471
220038199150,7cyclictest2330811-21kworker/1:0+events09:30:031
220038099157,2cyclictest0-21swapper/010:16:190
220038099154,6cyclictest0-21swapper/008:35:010
2200380991512,2cyclictest765-1atopacctd11:25:030
2200380991512,2cyclictest765-1atopacctd11:15:100
2200380991512,2cyclictest2630441-21sendmail_mailqu12:15:130
2200380991512,2cyclictest1237-21mta-sts-daemon08:45:170
3153791147,1phc2sys0-21swapper/309:46:143
3153791140,5phc2sys0-21swapper/311:04:073
3153791140,2phc2sys0-21swapper/310:36:333
2200382991412,1cyclictest0-21swapper/212:38:142
2200382991412,1cyclictest0-21swapper/210:55:052
2200382991412,1cyclictest0-21swapper/210:50:072
2200382991412,1cyclictest0-21swapper/210:50:022
2200382991412,1cyclictest0-21swapper/210:40:042
2200382991412,1cyclictest0-21swapper/210:35:502
2200382991412,1cyclictest0-21swapper/209:15:032
2200382991412,1cyclictest0-21swapper/207:20:082
2200382991411,1cyclictest0-21swapper/212:10:152
2200382991411,1cyclictest0-21swapper/212:07:412
2200382991411,1cyclictest0-21swapper/211:00:092
2200382991411,1cyclictest0-21swapper/208:05:062
2200382991411,1cyclictest0-21swapper/207:52:522
2200382991410,2cyclictest0-21swapper/209:35:032
220038199149,4cyclictest1247-21mta-sts-daemon07:58:511
2200381991411,2cyclictest2319143-21cpuspeed_turbos08:45:051
2200381991411,2cyclictest2318064-21unixbench-2d08:40:161
2200381991411,2cyclictest2303730-21kthreadcore08:30:091
2200381991411,2cyclictest2244645-21pmu-power07:40:131
2200381991410,3cyclictest2297111-21kthreadcore08:25:111
2200381991410,3cyclictest1247-21mta-sts-daemon08:35:071
220038099148,5cyclictest2338589-21tr09:00:070
220038099141,8cyclictest2264620-21expr08:00:040
220038099141,7cyclictest2258148-21aten2.4-expect07:55:030
2200380991411,2cyclictest2463446-21kthreadcore10:25:100
2200380991411,2cyclictest2463446-21kthreadcore10:25:100
2200380991410,3cyclictest2475608-21kworker/u16:0+nfsiod10:41:260
2200380991410,3cyclictest2383931-21phc2sys09:30:130
3153791137,2phc2sys0-21swapper/310:20:133
3153791131,2phc2sys0-21swapper/310:20:023
3153791131,2phc2sys0-21swapper/308:51:403
3153791131,2phc2sys0-21swapper/307:10:103
3153791130,2phc2sys0-21swapper/311:43:223
3153791130,2phc2sys0-21swapper/311:21:443
3153791130,2phc2sys0-21swapper/311:16:543
3153791130,2phc2sys0-21swapper/311:06:073
3153791130,2phc2sys0-21swapper/309:57:423
3153791130,2phc2sys0-21swapper/309:10:433
3153791130,2phc2sys0-21swapper/307:49:053
3153791130,2phc2sys0-21swapper/307:16:233
3153791130,2phc2sys0-21swapper/307:16:233
3153791130,1phc2sys0-21swapper/312:24:023
3153791130,1phc2sys0-21swapper/312:19:333
220038299139,2cyclictest0-21swapper/208:20:052
2200382991311,1cyclictest0-21swapper/211:55:102
2200382991311,1cyclictest0-21swapper/211:31:212
2200382991311,1cyclictest0-21swapper/211:20:162
2200382991311,1cyclictest0-21swapper/209:55:342
2200382991311,1cyclictest0-21swapper/209:30:062
2200382991311,1cyclictest0-21swapper/209:00:032
2200382991311,1cyclictest0-21swapper/207:42:542
2200380991310,2cyclictest2327758-21kthreadcore08:50:090
2200380991310,2cyclictest2271525-21kthreadcore08:05:090
2200380991310,2cyclictest2247504-21kthreadcore07:45:100
3153791124,2phc2sys0-21swapper/310:40:103
3153791121,2phc2sys0-21swapper/311:00:023
3153791121,2phc2sys0-21swapper/308:10:053
3153791121,1phc2sys0-21swapper/307:59:033
3153791120,2phc2sys0-21swapper/311:59:373
3153791113,3phc2sys0-21swapper/307:05:123
3153791110,4phc2sys0-21swapper/308:20:023
3153791110,3phc2sys0-21swapper/311:10:043
3153791110,2phc2sys0-21swapper/310:47:353
3153791110,2phc2sys0-21swapper/310:13:413
3153791110,2phc2sys0-21swapper/310:03:223
3153791110,2phc2sys0-21swapper/308:45:033
3153791110,1phc2sys0-21swapper/310:34:233
3153791110,1phc2sys0-21swapper/309:04:023
3153791110,1phc2sys0-21swapper/307:31:143
26230112110,3sleep30-21swapper/312:10:153
3153791101,3phc2sys0-21swapper/312:01:303
3153791101,2phc2sys0-21swapper/310:25:113
3153791101,2phc2sys0-21swapper/310:25:113
3153791101,2phc2sys0-21swapper/310:08:043
3153791101,2phc2sys0-21swapper/308:55:093
3153791101,2phc2sys0-21swapper/308:32:293
3153791100,2phc2sys0-21swapper/312:35:043
3153791100,2phc2sys0-21swapper/312:25:103
3153791100,2phc2sys0-21swapper/311:45:433
3153791100,2phc2sys0-21swapper/309:52:443
3153791100,2phc2sys0-21swapper/309:45:023
3153791100,2phc2sys0-21swapper/308:25:033
3153791100,2phc2sys0-21swapper/307:35:113
3153791100,2phc2sys0-21swapper/307:27:443
26156962100,4sleep30-21swapper/312:05:183
220038299105,2cyclictest0-21swapper/207:10:012
220038099101,4cyclictest2200531-21systemctl07:10:020
315379191,2phc2sys0-21swapper/309:09:563
315379190,2phc2sys0-21swapper/309:30:193
315379190,2phc2sys0-21swapper/308:40:063
315379190,2phc2sys0-21swapper/308:20:073
315379190,2phc2sys0-21swapper/308:00:073
315379190,2phc2sys0-21swapper/307:20:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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