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2026-07-21 - 00:07
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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 Mon Jul 20, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6263142980,1sleep20-21swapper/211:20:022
7239662420,2sleep30-21swapper/312:26:083
284688992724,2cyclictest1-21systemd09:00:010
284688992522,2cyclictest663210-21grep11:45:010
284688992514,6cyclictest0-21swapper/012:35:010
284690992320,1cyclictest0-21swapper/209:15:032
284688992312,5cyclictest542039-21kthreadcore10:21:110
284688992213,5cyclictest0-21swapper/010:05:010
284690992119,1cyclictest0-21swapper/211:00:012
284690992118,1cyclictest0-21swapper/212:40:012
28468999213,11cyclictest664-21dbus-daemon08:45:011
284689992118,2cyclictest440552-21sh09:15:001
284689992112,2cyclictest555553-21kthreadcore10:31:111
284689992110,3cyclictest1309-21mta-sts-daemon11:04:481
28468899219,6cyclictest0-21swapper/010:51:020
284688992118,2cyclictest1-21systemd07:20:020
284688992114,6cyclictest0-21swapper/011:20:010
284688992111,6cyclictest0-21swapper/010:46:140
284688992110,6cyclictest0-21swapper/012:16:350
1157598210,3rtkit-daemon10930-21cron11:11:011
5067302200,2sleep00-21swapper/009:58:070
284689992017,2cyclictest759-1atopacctd09:50:021
284689992017,2cyclictest700125-21dump-pmu-power12:10:001
284689992017,2cyclictest648411-21cron11:35:011
28468999201,5cyclictest664-21dbus-daemon11:20:021
284689992013,3cyclictest743828-21runrttasks12:38:011
284688992017,2cyclictest492717-21systemd-run09:50:020
284688992014,5cyclictest516764-21sort10:06:080
284688992011,5cyclictest0-21swapper/011:10:010
284688992010,6cyclictest444705-21kthreadcore09:16:110
3240591190,2phc2sys0-21swapper/307:16:183
284689991913,2cyclictest505313-21latency09:56:111
284689991912,3cyclictest564906-21grep10:36:121
28468899198,6cyclictest0-21swapper/010:36:090
284688991916,2cyclictest574418-21munin-plugin-st10:45:010
28468899191,2cyclictest0-21swapper/011:26:010
284688991911,1cyclictest626870-21ssh11:21:020
28468899190,2cyclictest349892-21kthreadcore08:01:090
3240591180,2phc2sys0-21swapper/311:46:103
284690991816,1cyclictest0-21swapper/212:33:412
284690991816,1cyclictest0-21swapper/211:36:042
284690991816,1cyclictest0-21swapper/208:40:012
284690991816,1cyclictest0-21swapper/208:20:022
284690991815,1cyclictest0-21swapper/210:25:012
284690991815,1cyclictest0-21swapper/210:05:022
284690991815,1cyclictest0-21swapper/209:27:402
284689991815,2cyclictest737134-21latency_hist12:35:001
284689991815,2cyclictest305102-21dump-pmu-power07:25:001
284689991815,2cyclictest290795-21if_err_enp1s007:15:021
284689991814,3cyclictest1300-21mta-sts-daemon10:19:131
28468999181,10cyclictest664-21dbus-daemon09:45:011
28468899188,5cyclictest0-21swapper/011:46:030
284688991815,2cyclictest664-21dbus-daemon10:20:030
284688991815,2cyclictest453827-21tail09:21:140
284688991815,2cyclictest305182-21systemd-run07:25:010
5747202170,1sleep30-21swapper/310:45:333
3240591170,2phc2sys0-21swapper/309:59:363
284690991714,1cyclictest0-21swapper/210:55:022
284690991714,1cyclictest0-21swapper/210:35:022
284690991714,1cyclictest0-21swapper/209:47:172
284690991714,1cyclictest0-21swapper/209:40:022
284690991714,1cyclictest0-21swapper/209:31:062
284690991714,1cyclictest0-21swapper/208:41:142
284690991713,2cyclictest0-21swapper/207:41:022
284689991714,2cyclictest684-21systemd-logind08:20:011
284689991714,2cyclictest664-21dbus-daemon08:05:021
284689991714,2cyclictest627541-21fschecks_time11:21:061
284689991714,2cyclictest538589-21cut10:21:081
284689991714,2cyclictest529613-21systemd10:15:011
284689991714,2cyclictest1-21systemd10:45:001
284689991714,2cyclictest0-21swapper/110:30:021
284689991714,2cyclictest0-21swapper/108:40:011
284689991714,2cyclictest0-21swapper/107:30:021
284689991713,3cyclictest714-21gdbus07:40:011
284689991713,3cyclictest636808-21kthreadcore11:26:091
284689991710,3cyclictest427452-21tail09:06:041
284689991710,2cyclictest3599591systemd-run08:10:011
28468899179,4cyclictest0-21swapper/010:31:040
28468899172,5cyclictest491rcuog/212:00:310
284688991714,2cyclictest684-21systemd-logind07:15:030
284688991714,2cyclictest268-21systemd-journal08:55:020
284688991712,3cyclictest612374-21df_inode11:11:060
3240591160,3phc2sys0-21swapper/311:13:473
3240591160,2phc2sys0-21swapper/312:25:003
3240591160,2phc2sys0-21swapper/310:55:543
284690991613,1cyclictest0-21swapper/211:32:572
284690991613,1cyclictest0-21swapper/211:05:022
284690991613,1cyclictest0-21swapper/210:41:042
284690991613,1cyclictest0-21swapper/210:36:132
284690991613,1cyclictest0-21swapper/210:26:062
284690991613,1cyclictest0-21swapper/210:16:022
284690991613,1cyclictest0-21swapper/209:55:012
284690991613,1cyclictest0-21swapper/208:26:052
284690991613,1cyclictest0-21swapper/207:55:022
284690991613,1cyclictest0-21swapper/207:31:102
28469099161,11cyclictest0-21swapper/212:10:022
28468999169,3cyclictest685994-21/usr/sbin/munin12:01:101
28468999169,2cyclictest0-21swapper/111:36:491
284689991613,2cyclictest722399-21grep12:25:011
284689991613,2cyclictest663995-21aten2.4-expect11:46:041
284689991613,2cyclictest662-21avahi-daemon07:55:011
284689991613,2cyclictest464367-21sh09:31:061
284689991613,2cyclictest316806-21mailstats07:31:141
284689991613,2cyclictest1309-21mta-sts-daemon09:53:451
284689991612,3cyclictest676-21mta-sts-daemon07:46:111
284689991612,3cyclictest575476-21sh10:46:051
284689991611,1cyclictest69250irq/121-eno111:09:121
28468899164,6cyclictest0-21swapper/011:31:040
28468899162,3cyclictest1300-21mta-sts-daemon08:06:220
284688991613,2cyclictest720414-21needreboot12:21:100
284688991613,2cyclictest700506-21sh12:10:170
284688991613,2cyclictest601363-21kthreadcore11:01:100
284688991613,2cyclictest471775-21sed09:36:070
284688991613,2cyclictest399616-21kthreadcore08:41:100
284688991613,2cyclictest308245-21kthreadcore07:26:070
4104152150,2sleep20-21swapper/208:51:082
3240591151,6phc2sys0-21swapper/309:36:033
3240591151,3phc2sys0-21swapper/311:56:043
3240591150,4phc2sys0-21swapper/310:03:523
3240591150,2phc2sys0-21swapper/311:07:263
3240591150,2phc2sys0-21swapper/310:38:193
28469099151,3cyclictest0-21swapper/209:41:032
284690991513,1cyclictest0-21swapper/211:30:022
284690991513,1cyclictest0-21swapper/211:21:042
284690991513,1cyclictest0-21swapper/207:15:032
284690991512,1cyclictest0-21swapper/212:24:472
284690991512,1cyclictest0-21swapper/211:48:212
284690991512,1cyclictest0-21swapper/211:14:062
284690991512,1cyclictest0-21swapper/208:21:062
284690991512,1cyclictest0-21swapper/208:00:022
28468999159,5cyclictest1309-21mta-sts-daemon12:16:531
28468999152,12cyclictest415201-21apt-get08:56:031
284689991512,2cyclictest726068-21tr12:26:101
284689991512,2cyclictest700941-21tail12:11:041
284689991512,2cyclictest685124-21runrttasks11:59:261
284689991512,2cyclictest664-21dbus-daemon09:20:011
284689991512,2cyclictest659429-21kthreadcore11:41:091
284689991512,2cyclictest587243-21proc_pri10:51:141
284689991512,2cyclictest456792-21fschecks_count09:26:051
284689991512,2cyclictest388924-21kthreadcore08:31:101
284689991512,2cyclictest284861-21sh07:10:031
284689991512,2cyclictest1309-21mta-sts-daemon09:36:161
284689991512,2cyclictest0-21swapper/110:10:021
28468899158,5cyclictest0-21swapper/009:41:100
28468899158,1cyclictest0-21swapper/012:36:090
28468899155,4cyclictest684927-21sshd11:58:490
284688991512,2cyclictest651971-21kthreadcore11:36:100
284688991512,2cyclictest545393-21cpuspeed_turbos10:26:060
284688991512,2cyclictest496280-21kthreadcore09:51:090
284688991512,2cyclictest460111-21kthreadcore09:26:100
284688991512,2cyclictest424966-21kthreadcore09:01:100
284688991512,2cyclictest394794-21kthreadcore08:36:110
284688991512,2cyclictest376475-21kthreadcore08:21:100
284688991512,2cyclictest337717-21kthreadcore07:51:090
284688991512,2cyclictest1309-21mta-sts-daemon12:09:530
284688991512,2cyclictest1306-21mta-sts-daemon09:31:100
284688991510,4cyclictest318984-21irqrtprio07:36:070
28468899150,11cyclictest360331-21apt-get08:11:030
3240591140,4phc2sys0-21swapper/307:10:163
3240591140,2phc2sys0-21swapper/311:30:573
3240591140,2phc2sys0-21swapper/311:23:493
3240591140,2phc2sys0-21swapper/311:01:473
3240591140,2phc2sys0-21swapper/310:20:383
3240591140,2phc2sys0-21swapper/309:40:293
3240591140,1phc2sys0-21swapper/310:30:113
3240591140,1phc2sys0-21swapper/310:26:213
3240591140,1phc2sys0-21swapper/309:54:193
28469099141,7cyclictest0-21swapper/211:56:032
28469099141,5cyclictest0-21swapper/208:50:022
284690991412,1cyclictest0-21swapper/210:11:082
284690991412,1cyclictest0-21swapper/209:16:052
284690991412,1cyclictest0-21swapper/207:20:012
284690991411,1cyclictest0-21swapper/212:26:072
284690991411,1cyclictest0-21swapper/212:16:122
284690991411,1cyclictest0-21swapper/212:01:022
284690991411,1cyclictest0-21swapper/211:41:082
284690991411,1cyclictest0-21swapper/210:06:082
284690991411,1cyclictest0-21swapper/209:10:032
284690991411,1cyclictest0-21swapper/208:11:132
284690991411,1cyclictest0-21swapper/208:06:102
284690991411,1cyclictest0-21swapper/208:01:062
284690991411,1cyclictest0-21swapper/207:46:152
284690991411,1cyclictest0-21swapper/207:36:122
284690991410,2cyclictest0-21swapper/210:47:172
28468999149,4cyclictest593568-21cut10:56:111
28468999149,4cyclictest290786-21munin-node07:44:561
284689991411,2cyclictest453633-21needreboot09:21:121
284689991411,2cyclictest413424-21kthreadcore08:51:101
284689991411,2cyclictest404396-21kthreadcore08:46:111
284689991411,2cyclictest379224-21gltestperf08:26:071
284689991411,2cyclictest293472-21aten_repower_vo07:16:051
284689991411,2cyclictest290786-21munin-node08:10:451
284689991411,2cyclictest0-21swapper/111:55:011
284689991410,3cyclictest425164-21kthreadcore09:01:101
28468899145,5cyclictest0-21swapper/008:29:020
284688991412,1cyclictest0-21swapper/012:30:010
284688991411,2cyclictest674163-21kthreadcore11:51:100
284688991411,2cyclictest522777-21/usr/sbin/munin10:11:180
284688991411,2cyclictest370995-21latency08:16:120
284688991411,2cyclictest348029-21latency_hist08:00:020
284688991411,2cyclictest312892-21irqrtprio07:31:080
284688991411,2cyclictest284686-21cyclictest10:55:140
284688991410,2cyclictest0-21swapper/007:50:010
3240591131,5phc2sys0-21swapper/308:16:033
3240591130,1phc2sys0-21swapper/312:35:033
28469099132,6cyclictest0-21swapper/209:56:022
28469099131,5cyclictest0-21swapper/211:10:022
284690991311,1cyclictest0-21swapper/212:11:032
284690991311,1cyclictest0-21swapper/211:51:012
284690991311,1cyclictest0-21swapper/209:23:022
284690991311,1cyclictest0-21swapper/209:05:022
284690991311,1cyclictest0-21swapper/209:00:032
284690991311,1cyclictest0-21swapper/208:31:072
284690991311,1cyclictest0-21swapper/207:30:012
284690991311,1cyclictest0-21swapper/207:21:142
28468999139,3cyclictest346240-21kthreadcore07:56:111
28468999131,3cyclictest514781-21awk10:05:011
28468899131,6cyclictest433709-21apt-get09:11:020
284688991310,2cyclictest432402-21switchtime09:06:160
284688991310,2cyclictest405187-21kthreadcore08:46:110
284688991310,2cyclictest389133-21kthreadcore08:31:100
284688991310,2cyclictest324086-21head07:41:030
3240591127,2phc2sys0-21swapper/311:19:373
3240591123,2phc2sys0-21swapper/307:31:083
3240591121,4phc2sys0-21swapper/310:41:033
3240591121,4phc2sys0-21swapper/307:06:033
3240591121,3phc2sys0-21swapper/307:41:023
3240591120,2phc2sys0-21swapper/312:17:443
3240591120,2phc2sys0-21swapper/309:22:573
3240591120,1phc2sys0-21swapper/311:40:003
3240591120,1phc2sys0-21swapper/310:54:073
28468999125,5cyclictest373467-21irqcore08:21:081
3240591113,1phc2sys0-21swapper/312:04:573
3240591112,2phc2sys0-21swapper/307:51:043
3240591111,2phc2sys0-21swapper/312:31:113
3240591110,5phc2sys0-21swapper/309:29:523
3240591110,2phc2sys0-21swapper/312:06:543
3240591110,2phc2sys0-21swapper/310:18:043
3240591110,1phc2sys0-21swapper/311:43:493
3240591110,1phc2sys0-21swapper/310:10:423
3240591110,1phc2sys0-21swapper/309:09:473
3240591110,1phc2sys0-21swapper/308:59:523
3240591110,1phc2sys0-21swapper/308:13:203
3240591101,1phc2sys0-21swapper/308:48:103
3240591100,4phc2sys0-21swapper/309:31:023
3240591100,2phc2sys0-21swapper/312:12:433
3240591100,2phc2sys0-21swapper/311:25:533
3240591100,2phc2sys0-21swapper/309:48:343
3240591100,2phc2sys0-21swapper/308:01:023
3240591100,2phc2sys0-21swapper/307:57:483
3240591100,2phc2sys0-21swapper/307:36:013
3240591100,2phc2sys0-21swapper/307:21:023
3240591100,1phc2sys0-21swapper/309:17:553
3240591100,1phc2sys0-21swapper/309:01:573
394033290,2sleep30-21swapper/308:36:113
324059192,1phc2sys0-21swapper/309:11:153
324059191,2phc2sys0-21swapper/310:05:293
324059190,2phc2sys0-21swapper/311:50:353
324059190,2phc2sys0-21swapper/308:51:023
324059190,2phc2sys0-21swapper/308:45:013
324059190,2phc2sys0-21swapper/308:31:073
324059190,2phc2sys0-21swapper/308:26:103
324059190,2phc2sys0-21swapper/308:21:053
324059190,2phc2sys0-21swapper/308:06:023
324059190,2phc2sys0-21swapper/307:46:033
306440290,2sleep30-21swapper/307:26:063
2846909997,1cyclictest0-21swapper/207:10:012
2846889991,7cyclictest0-21swapper/007:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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