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2026-06-27 - 11:49
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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 the 376 highest latencies:
System rackeslot2.osadl.org (updated Sat Jun 27, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80163621050,1sleep00-21swapper/000:35:030
6024772690,1sleep0602475-21ssh22:22:050
4978522680,1sleep1497851-21ssh21:11:121
5652272670,1sleep0565225-21ssh21:57:440
6353662650,2sleep30-21swapper/322:45:043
7844892420,1sleep1784448-21ssh00:25:021
7844892420,1sleep1784448-21ssh00:25:021
347992993018,8cyclictest581629-21gltestperf22:10:010
347992992813,6cyclictest0-21swapper/021:20:010
347992992620,5cyclictest425396-21gltestperf20:15:010
347992992611,6cyclictest0-21swapper/023:39:540
4478462250,2sleep30-21swapper/320:30:063
34799299259,7cyclictest0-21swapper/023:54:560
347992992520,4cyclictest514752-21df_inode21:25:020
347992992519,5cyclictest709897-21grep23:35:020
347993992421,2cyclictest651378-21kthreadcore22:55:041
347992992416,3cyclictest781-21gmain22:30:020
347992992411,5cyclictest1237-21mta-sts-daemon00:00:200
5609012230,2sleep20-21swapper/221:55:052
5149252230,2sleep11-21systemd21:25:021
347993992316,3cyclictest499142-21/usr/sbin/munin21:15:061
347993992315,4cyclictest663489-21cpu23:04:581
347993992315,3cyclictest539213-21kthreadcore21:40:051
34799299239,6cyclictest0-21swapper/000:33:150
347992992317,2cyclictest660-21dbus-daemon20:00:010
347992992317,2cyclictest449967-21if_eno120:35:020
347992992317,1cyclictest0-21swapper/000:15:010
347992992313,5cyclictest0-21swapper/021:50:010
347993992219,2cyclictest449590-21grep20:35:011
347993992215,3cyclictest719946-21kthreadcore23:40:031
347993992214,3cyclictest0-21swapper/123:10:011
347993992210,4cyclictest0-21swapper/121:49:561
347992992216,2cyclictest394552-21if_eno119:50:010
347992992216,2cyclictest1-21systemd21:55:020
347992992215,2cyclictest0-21swapper/019:45:010
347992992215,2cyclictest0-21swapper/000:20:020
492398210,3rtkit-daemon1174-21ntpd00:25:581
347994992119,1cyclictest0-21swapper/222:35:022
347994992118,1cyclictest0-21swapper/200:30:012
347993992118,2cyclictest1246-21mta-sts-daemon20:25:021
34799399210,17cyclictest472352-21missed_timers20:50:051
347992992115,2cyclictest693919-21cron23:25:010
347992992114,2cyclictest0-21swapper/022:20:010
347992992110,6cyclictest529596-21systemd-run21:35:010
347994992017,1cyclictest0-21swapper/223:50:002
347994992017,1cyclictest0-21swapper/223:45:022
347994992017,1cyclictest0-21swapper/223:30:032
347994992017,1cyclictest0-21swapper/220:30:022
347994992017,1cyclictest0-21swapper/220:00:002
347994992017,1cyclictest0-21swapper/200:35:012
347993992017,2cyclictest807038-21irqrtprio00:40:011
347993992017,2cyclictest694370-21systemd-run23:25:031
347993992017,2cyclictest348370-21apt-get19:10:021
347993992012,3cyclictest0-21swapper/122:30:021
347994991916,1cyclictest0-21swapper/219:30:012
347994991916,1cyclictest0-21swapper/219:30:012
347993991916,2cyclictest777937-21cut00:20:031
347993991916,2cyclictest725244-21kthreadcore23:45:021
347993991912,3cyclictest638572-21mailstats22:45:091
347993991912,3cyclictest0-21swapper/123:00:011
34799299198,6cyclictest0-21swapper/021:45:000
347992991913,5cyclictest0-21swapper/021:30:010
347994991815,1cyclictest0-21swapper/223:05:012
347994991815,1cyclictest0-21swapper/222:30:002
347993991816,1cyclictest0-21swapper/119:15:021
347993991815,2cyclictest800286-21kthreadcore00:35:031
347993991815,2cyclictest762149-21irqcore00:10:021
347993991815,2cyclictest400655-21fschecks_time19:55:021
347993991815,2cyclictest376295-21if_err_eno119:35:021
347993991815,2cyclictest1-21systemd19:45:031
347993991815,2cyclictest0-21swapper/123:15:021
347993991814,3cyclictest626907-21irqcore22:40:011
347993991814,3cyclictest590017-21kthreadcore22:15:041
347993991814,3cyclictest590017-21kthreadcore22:15:041
347993991813,4cyclictest468208-21cat20:50:011
34799299188,5cyclictest0-21swapper/022:40:020
34799299185,8cyclictest274-21systemd-journal00:29:560
347992991810,7cyclictest0-21swapper/023:05:010
3153791181,2phc2sys0-21swapper/322:25:423
347994991715,1cyclictest0-21swapper/223:15:032
347994991715,1cyclictest0-21swapper/221:45:022
347994991714,1cyclictest0-21swapper/223:59:582
347994991714,1cyclictest0-21swapper/223:10:022
347994991714,1cyclictest0-21swapper/222:50:022
347994991714,1cyclictest0-21swapper/219:25:032
347994991714,1cyclictest0-21swapper/219:15:012
347994991714,1cyclictest0-21swapper/200:40:012
347994991714,1cyclictest0-21swapper/200:10:022
347993991714,2cyclictest708733-21tr23:34:581
347993991714,2cyclictest604537-21if_err_enp1s022:25:021
347993991714,2cyclictest493083-21ps21:10:031
347993991714,2cyclictest347985-21cyclictest20:09:571
347993991714,2cyclictest1020-21runrttasks21:26:101
347993991714,2cyclictest0-21swapper/120:20:001
347993991713,3cyclictest745970-21/usr/sbin/munin00:00:061
347993991713,3cyclictest728007-21kthreadcore23:45:051
34799299176,7cyclictest686794-21irqcore23:20:020
34799299173,9cyclictest274-21systemd-journal22:45:030
347992991714,2cyclictest765-1atopacctd19:10:100
347992991714,2cyclictest633665-21sh22:45:000
347992991714,2cyclictest492038-21cpuspeed_turbos21:09:580
347992991714,2cyclictest462269-21/usr/sbin/munin20:45:020
347992991714,2cyclictest274-21systemd-journal00:00:000
347992991714,2cyclictest0-21swapper/023:30:040
347992991714,2cyclictest0-21swapper/020:20:000
347992991713,3cyclictest778284-21kthreadcore00:20:040
347992991713,3cyclictest778284-21kthreadcore00:20:040
3153791170,5phc2sys0-21swapper/319:29:573
3153791170,5phc2sys0-21swapper/319:29:573
3153791170,2phc2sys0-21swapper/300:14:563
347994991614,1cyclictest0-21swapper/222:10:052
347994991614,1cyclictest0-21swapper/222:10:052
347994991614,1cyclictest0-21swapper/220:10:022
347994991613,1cyclictest0-21swapper/223:25:012
347994991613,1cyclictest0-21swapper/222:40:002
347994991613,1cyclictest0-21swapper/221:20:012
347994991613,1cyclictest0-21swapper/220:50:012
347994991613,1cyclictest0-21swapper/220:40:012
347994991613,1cyclictest0-21swapper/220:35:012
347994991613,1cyclictest0-21swapper/219:20:012
347994991613,1cyclictest0-21swapper/200:25:012
347994991613,1cyclictest0-21swapper/200:25:012
347994991610,3cyclictest0-21swapper/221:29:572
347993991614,1cyclictest580491-21ssh22:08:561
347993991614,1cyclictest1247-21mta-sts-daemon23:52:321
347993991613,2cyclictest769324-21if_eno100:15:021
347993991613,2cyclictest412815-21gltestperf20:05:001
347993991613,2cyclictest1237-21mta-sts-daemon23:29:101
347993991613,2cyclictest0-21swapper/122:45:011
347993991611,4cyclictest354222-21munin-node19:49:081
347993991611,4cyclictest347985-21cyclictest20:29:591
347993991610,2cyclictest485249-21kworker/u16:2-rpciod21:40:021
34799299169,6cyclictest0-21swapper/022:00:090
34799299167,2cyclictest474500-21sh20:55:020
34799299165,6cyclictest0-21swapper/021:36:170
347992991613,2cyclictest724611-21apt-config23:45:010
347992991613,2cyclictest671419-21sed23:10:000
347992991613,2cyclictest660-21dbus-daemon23:00:020
347992991613,2cyclictest499839-21fschecks_time21:15:010
347992991613,2cyclictest468525-21irqrtprio20:50:010
347992991613,2cyclictest363758-21latency_hist19:25:010
347992991613,2cyclictest0-21swapper/020:05:000
3153791160,2phc2sys0-21swapper/322:57:553
3153791160,1phc2sys0-21swapper/323:48:513
347994991513,1cyclictest0-21swapper/223:50:082
347994991513,1cyclictest0-21swapper/223:35:032
347994991513,1cyclictest0-21swapper/221:20:032
347994991513,1cyclictest0-21swapper/221:05:032
347994991513,1cyclictest0-21swapper/221:00:022
347994991513,1cyclictest0-21swapper/220:40:032
347994991513,1cyclictest0-21swapper/219:55:022
347994991513,1cyclictest0-21swapper/219:40:022
347994991512,1cyclictest0-21swapper/221:55:022
347994991512,1cyclictest0-21swapper/221:37:462
347994991512,1cyclictest0-21swapper/220:25:002
347994991512,1cyclictest0-21swapper/219:50:002
347994991512,1cyclictest0-21swapper/219:35:012
347994991511,2cyclictest0-21swapper/222:55:112
347994991511,2cyclictest0-21swapper/220:00:062
34799399159,5cyclictest1247-21mta-sts-daemon21:00:001
34799399159,5cyclictest1242-21mta-sts-daemon22:33:101
347993991512,2cyclictest744097-21grep23:55:091
347993991512,2cyclictest658-21avahi-daemon19:30:021
347993991512,2cyclictest658-21avahi-daemon19:30:021
347993991512,2cyclictest591724-21kthreadcore22:15:051
347993991512,2cyclictest563987-21mailstats21:55:101
347993991512,2cyclictest1247-21mta-sts-daemon23:15:071
347993991511,3cyclictest529224-21cpuspeed_turbos21:34:591
347993991511,3cyclictest455178-21aten_repower_fr20:39:581
34799399150,3cyclictest0-21swapper/121:01:361
34799299158,6cyclictest1242-21mta-sts-daemon22:53:500
34799299158,5cyclictest274-21systemd-journal19:39:560
34799299158,4cyclictest357137-21aten2.4-expect19:19:570
34799299151,7cyclictest396024-21kthreadcore19:50:030
347992991513,1cyclictest1247-21mta-sts-daemon23:48:590
347992991512,2cyclictest761928-21/usr/sbin/munin00:10:010
347992991512,2cyclictest738-21gdbus19:35:010
347992991512,2cyclictest589211-21irqcore22:15:010
347992991512,2cyclictest589211-21irqcore22:15:010
347992991512,2cyclictest487170-21kernelversion21:05:030
347992991512,2cyclictest481056-21kthreadcore21:00:020
347992991512,2cyclictest347985-21cyclictest20:25:040
34799299150,3cyclictest0-21swapper/022:33:190
3153791155,2phc2sys0-21swapper/300:02:303
3153791150,2phc2sys0-21swapper/319:23:163
492398140,3rtkit-daemon1246-21mta-sts-daemon19:06:270
347994991412,1cyclictest0-21swapper/223:10:072
347994991412,1cyclictest0-21swapper/221:35:012
347994991412,1cyclictest0-21swapper/219:10:032
347994991412,1cyclictest0-21swapper/200:15:022
34799499141,1cyclictest0-21swapper/200:19:552
347994991411,2cyclictest0-21swapper/221:10:032
347994991411,1cyclictest0-21swapper/222:17:492
347994991411,1cyclictest0-21swapper/220:18:572
34799499140,10cyclictest0-21swapper/222:43:592
347993991411,2cyclictest660-21dbus-daemon20:00:001
347993991411,2cyclictest573542-21aten2.4-expect22:04:571
347993991411,2cyclictest458220-21kthreadcore20:40:051
347993991411,2cyclictest425199-21fschecks_time20:15:001
347993991411,2cyclictest382512-21sh19:40:021
347993991411,2cyclictest347985-21cyclictest19:20:011
347993991410,3cyclictest557587-21kworker/u16:3+nfsiod21:54:561
34799299142,4cyclictest1247-21mta-sts-daemon19:26:290
34799299142,4cyclictest1247-21mta-sts-daemon19:26:290
347992991411,2cyclictest436789-21/usr/sbin/munin20:24:580
347992991411,2cyclictest418990-21latency_hist20:10:020
347992991411,2cyclictest1247-21mta-sts-daemon23:10:400
347992991411,2cyclictest1-21systemd20:35:090
3153791143,2phc2sys0-21swapper/319:13:463
3153791141,3phc2sys0-21swapper/319:44:563
3153791141,2phc2sys0-21swapper/323:37:463
3153791141,2phc2sys0-21swapper/321:09:573
3153791140,6phc2sys0-21swapper/323:06:203
3153791140,3phc2sys0-21swapper/300:31:463
3153791140,2phc2sys0-21swapper/323:24:573
3153791140,2phc2sys0-21swapper/322:08:073
3153791140,2phc2sys0-21swapper/321:27:523
3153791140,2phc2sys0-21swapper/320:45:173
3153791140,2phc2sys0-21swapper/320:18:333
34799499139,2cyclictest0-21swapper/223:38:022
347994991311,1cyclictest0-21swapper/222:50:032
347994991311,1cyclictest0-21swapper/222:20:042
347994991311,1cyclictest0-21swapper/221:45:042
347994991311,1cyclictest0-21swapper/221:10:052
347994991311,1cyclictest0-21swapper/200:00:042
347994991310,1cyclictest0-21swapper/222:05:052
347994991310,1cyclictest0-21swapper/222:00:032
347994991310,1cyclictest0-21swapper/220:55:012
347993991310,2cyclictest360624-21kthreadcore19:20:041
3153791134,2phc2sys0-21swapper/321:11:443
3153791131,5phc2sys0-21swapper/321:04:573
3153791130,5phc2sys0-21swapper/323:59:563
3153791130,4phc2sys0-21swapper/321:33:093
3153791130,2phc2sys0-21swapper/320:27:173
3153791130,2phc2sys0-21swapper/319:35:453
3153791130,2phc2sys0-21swapper/300:21:113
3153791130,2phc2sys0-21swapper/300:21:113
34799499129,2cyclictest0-21swapper/219:41:052
347994991210,1cyclictest0-21swapper/220:15:012
3153791121,3phc2sys0-21swapper/323:54:283
3153791121,2phc2sys0-21swapper/322:34:553
3153791120,3phc2sys0-21swapper/320:00:023
3153791120,2phc2sys0-21swapper/323:28:583
3153791120,2phc2sys0-21swapper/323:14:593
3153791120,2phc2sys0-21swapper/322:53:273
3153791120,2phc2sys0-21swapper/322:19:123
3153791120,2phc2sys0-21swapper/321:49:563
3153791120,2phc2sys0-21swapper/321:19:263
3153791120,2phc2sys0-21swapper/320:09:563
3153791120,1phc2sys0-21swapper/320:54:133
3153791120,1phc2sys0-21swapper/319:54:013
3153791113,3phc2sys0-21swapper/321:40:043
3153791111,3phc2sys0-21swapper/322:14:563
3153791111,3phc2sys0-21swapper/322:14:563
3153791111,2phc2sys0-21swapper/319:10:013
3153791110,3phc2sys0-21swapper/322:41:373
3153791110,2phc2sys0-21swapper/323:00:093
3153791110,2phc2sys0-21swapper/300:07:393
3153791110,1phc2sys0-21swapper/320:57:333
3153791110,1phc2sys0-21swapper/320:37:203
3153791110,1phc2sys0-21swapper/319:16:383
5562472100,2sleep30-21swapper/321:50:053
3153791102,2phc2sys0-21swapper/323:42:223
3153791101,2phc2sys0-21swapper/323:17:563
3153791101,2phc2sys0-21swapper/322:35:043
3153791101,2phc2sys0-21swapper/322:20:053
3153791101,2phc2sys0-21swapper/320:10:043
3153791100,2phc2sys0-21swapper/323:34:563
3153791100,2phc2sys0-21swapper/321:55:243
3153791100,2phc2sys0-21swapper/321:39:573
3153791100,2phc2sys0-21swapper/321:20:053
3153791100,2phc2sys0-21swapper/300:28:433
3153791100,2phc2sys0-21swapper/300:19:563
3153791100,1phc2sys0-21swapper/322:00:093
3153791100,1phc2sys0-21swapper/320:44:143
315379191,3phc2sys0-21swapper/320:00:053
315379190,2phc2sys0-21swapper/319:30:093
315379190,2phc2sys0-21swapper/300:35:323
315379180,2phc2sys0-21swapper/320:20:063
315379180,2phc2sys0-21swapper/319:45:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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